/* ========================
   RESET & BASE STYLES
   ======================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: #FAF9F6;
    color: #1a1a1a;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================
   NAVIGATION BAR
   ======================== */

.navbar {
    background: #ffffff;
    padding: 16px 0;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
    border-radius: 50%;
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover {
    color: #0F766E;
}

.nav-link.active {
    color: #0F766E;
}

.nav-link.dropdown i {
    font-size: 12px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-login {
    text-decoration: none;
    color: #1a1a1a;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}

.nav-login:hover {
    color: #0F766E;
}

.nav-login i {
    font-size: 14px;
}

.btn-signup-nav-link {
    text-decoration: none;
}

.btn-signup-nav {
    background: #000;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-signup-nav:hover {
    background: #1a1a1a;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* ========================
   ANNOUNCEMENT BANNER
   ======================== */

.announcement-banner {
    background: #0F766E;
    color: white;
    padding: 12px 32px;
    text-align: center;
}

.announcement-banner p {
    font-size: 14px;
    font-weight: 500;
    margin: 0;
}

/* ========================
   HERO SECTION
   ======================== */

.hero-section {
    padding: 80px 0 60px;
    background: #FAF9F6;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-left {
    max-width: 580px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    color: #1a1a1a;
    margin-bottom: 24px;
}

.highlight-text {
    position: relative;
    display: inline-block;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 12px;
    background: linear-gradient(to right, #FDE68A 0%, #FCD34D 100%);
    z-index: -1;
    border-radius: 4px;
}

.hero-description {
    font-size: 16px;
    line-height: 1.7;
    color: #4a4a4a;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-buttons a {
    text-decoration: none;
}

.btn-primary {
    background: #000;
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #1a1a1a;
}

.btn-secondary {
    background: transparent;
    color: #1a1a1a;
    border: 2px solid #1a1a1a;
    padding: 12px 26px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: #1a1a1a;
    color: white;
}

/* ========================
   UI CARDS - RIGHT SIDE
   ======================== */

.hero-right {
    position: relative;
    height: 500px;
}

.ui-cards-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e5;
    position: absolute;
}

/* Student Submission Card */
.student-submission-card {
    top: 0;
    right: 0;
    width: 420px;
    padding: 20px;
    z-index: 3;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e5e5;
}

.card-header i {
    color: #0F766E;
    font-size: 18px;
}

.card-header span {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
}

.submission-text {
    padding: 12px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 3px solid #0F766E;
}

.submission-line {
    font-size: 14px;
    color: #4a4a4a;
    line-height: 1.6;
    margin: 0;
}

/* AI Feedback Card */
.feedback-card {
    top: 100px;
    left: 20px;
    width: 340px;
    padding: 18px;
    z-index: 4;
    background: linear-gradient(135deg, #ffffff 0%, #f0fdfa 100%);
    border: 2px solid #0F766E;
}

.feedback-header {
    margin-bottom: 12px;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #0F766E;
    color: white;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.ai-badge i {
    font-size: 12px;
}

.feedback-content {
    margin-bottom: 12px;
}

.feedback-text {
    font-size: 13px;
    line-height: 1.6;
    color: #2d2d2d;
    margin: 0;
}

.feedback-footer {
    padding-top: 12px;
    border-top: 1px solid #d1d5db;
}

.feedback-score {
    font-size: 13px;
    font-weight: 600;
    color: #0F766E;
}

/* Grading Table Card */
.grading-table-card {
    bottom: 0;
    right: 60px;
    width: 380px;
    padding: 20px;
    z-index: 2;
}

.grading-table {
    width: 100%;
    border-collapse: collapse;
}

.grading-table th {
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    padding-bottom: 12px;
    border-bottom: 2px solid #e5e5e5;
}

.grading-table td {
    padding: 12px 0;
    font-size: 14px;
    color: #1a1a1a;
    border-bottom: 1px solid #f0f0f0;
}

.grading-table tr:last-child td {
    border-bottom: none;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
}

.status-badge.graded {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

/* Decorative Elements */
.decorative-arrow {
    position: absolute;
    width: 60px;
    height: 2px;
    background: #0F766E;
    opacity: 0.4;
}

.arrow-1 {
    top: 80px;
    right: 440px;
    transform: rotate(-25deg);
}

.arrow-1::after {
    content: '';
    position: absolute;
    right: -6px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid #0F766E;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.arrow-2 {
    bottom: 140px;
    left: 360px;
    transform: rotate(15deg);
}

.arrow-2::after {
    content: '';
    position: absolute;
    right: -6px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid #0F766E;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.teal-accent {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 3px solid #0F766E;
    border-radius: 50%;
    opacity: 0.15;
}

.accent-1 {
    top: -20px;
    left: -30px;
}

.accent-2 {
    bottom: -30px;
    right: 20px;
}

/* ========================
   CATEGORY TABS
   ======================== */

.category-tabs {
    padding: 40px 0 80px;
    background: #FAF9F6;
}

.tabs-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    gap: 48px;
    justify-content: center;
}

.tab-button {
    background: transparent;
    border: none;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    padding-bottom: 12px;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    letter-spacing: 0.5px;
}

.tab-button:hover {
    color: #0F766E;
}

.tab-button.active {
    color: #0F766E;
    border-bottom-color: #0F766E;
}

/* ========================
   RESPONSIVE DESIGN
   ======================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-right {
        height: 450px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: 52px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-actions {
        gap: 12px;
    }

    .nav-login span {
        display: none;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-description br {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .student-submission-card {
        width: 100%;
        right: auto;
        left: 0;
    }

    .feedback-card {
        width: 90%;
        left: 5%;
    }

    .grading-table-card {
        width: 95%;
        right: auto;
        left: 2.5%;
    }

    .tabs-container {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

    .announcement-banner p {
        font-size: 12px;
    }

    .hero-section {
        padding: 40px 0 40px;
    }

    .hero-right {
        height: 400px;
    }

    .card {
        font-size: 12px;
    }
}

/* ========================
   GRADING SYSTEM ENHANCEMENTS
   ======================== */

/* STEM-specific styling */
.stem-submission {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 16px;
    border-radius: 8px;
    border-left: 4px solid #0284c7;
}

.stem-submission strong {
    color: #0369a1;
    display: block;
    margin-bottom: 4px;
}

.work-shown {
    margin-top: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
}

.work-step {
    margin: 6px 0;
    padding-left: 20px;
    position: relative;
    color: #075985;
    font-size: 14px;
}

.work-step::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #0284c7;
    font-weight: bold;
}

/* Essay-specific styling */
.essay-submission {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 16px;
    border-radius: 8px;
    border-left: 4px solid #f59e0b;
}

.essay-excerpt {
    color: #92400e;
    font-size: 13px;
    margin-bottom: 8px;
    font-weight: 600;
}

/* Flip animation enhancements */
.card {
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.card.flipping {
    animation: cardFlip 0.6s ease-in-out;
}

@keyframes cardFlip {
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(90deg);
        opacity: 0.5;
    }
    100% {
        transform: rotateY(0deg);
    }
}

/* Tab button enhancements */
.tab-button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #0F766E, #14B8A6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.tab-button.active::after {
    width: 100%;
}

.tab-button:hover {
    transform: translateY(-2px);
}

/* Auto-flip indicator (optional visual cue) */
.hero-right::before {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 8px;
    height: 8px;
    background: #14B8A6;
    border-radius: 50%;
    animation: pulse 2s infinite;
    z-index: 10;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

/* Smooth transitions for content changes */
.card-content,
.feedback-content,
.grading-table tbody {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Status badge color variations */
.status-badge.graded {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #15803d;
}

.status-badge.pending {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

/* Enhanced card shadows during flip */
.card:hover {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

/* Responsive enhancements for grading system */
@media (max-width: 768px) {
    .stem-submission,
    .essay-submission {
        padding: 12px;
    }

    .work-step {
        font-size: 13px;
    }
}

/* ========================
   UNIVERSITIES SECTION
   ======================== */

.universities-section {
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
    padding: 100px 0 120px;
    position: relative;
}

.universities-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Heading with Decorative Strokes */
.section-heading {
    text-align: center;
    position: relative;
    margin-bottom: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.heading-text {
    font-size: 20px;
    font-weight: 500;
    color: #4B5563;
    letter-spacing: -0.01em;
    line-height: 1.5;
    max-width: 600px;
}

.decorative-strokes {
    position: absolute;
    right: calc(50% - 320px);
    top: -10px;
    opacity: 0.9;
    animation: floatStrokes 3s ease-in-out infinite;
}

@keyframes floatStrokes {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* University Carousel */
.university-carousel-wrapper {
    overflow: hidden;
    margin-bottom: 80px;
    padding: 20px 0;
    position: relative;
}

.university-carousel-wrapper::before,
.university-carousel-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.university-carousel-wrapper::before {
    left: 0;
    background: linear-gradient(to right, #F9FAFB, transparent);
}

.university-carousel-wrapper::after {
    right: 0;
    background: linear-gradient(to left, #FFFFFF, transparent);
}

.university-carousel {
    display: flex;
    gap: 40px;
    animation: scroll-left 40s linear infinite;
    width: fit-content;
}

.university-carousel:hover {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.university-name {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
    opacity: 0.85;
    transition: all 0.3s ease;
    cursor: default;
    padding: 8px 16px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
}

.university-name:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.9);
}

/* Divider */
.section-divider {
    width: 100%;
    height: 1px;
    background: #E5E7EB;
    margin: 60px 0;
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #111827;
    letter-spacing: -0.02em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 14px;
    font-weight: 500;
    color: #6B7280;
    letter-spacing: 0.01em;
}

/* Animation Classes */
.stat-item.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logos-grid.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Universities Section - Responsive Tablet */
@media (max-width: 1024px) {
    .universities-section {
        padding: 80px 0 100px;
    }

    .universities-container {
        padding: 0 30px;
    }

    .heading-text {
        font-size: 18px;
        max-width: 500px;
    }

    .decorative-strokes {
        right: calc(50% - 270px);
        width: 70px;
        height: 35px;
    }

    .university-name {
        font-size: 15px;
        padding: 7px 14px;
    }

    .university-carousel {
        gap: 35px;
        animation: scroll-left 35s linear infinite;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px 40px;
    }

    .stat-number {
        font-size: 42px;
    }
}

/* Universities Section - Responsive Mobile */
@media (max-width: 768px) {
    .universities-section {
        padding: 60px 0 80px;
    }

    .universities-container {
        padding: 0 20px;
    }

    .section-heading {
        margin-bottom: 50px;
        flex-direction: column;
        gap: 15px;
    }

    .heading-text {
        font-size: 16px;
        max-width: 100%;
        padding: 0 10px;
    }

    .decorative-strokes {
        position: static;
        width: 60px;
        height: 30px;
    }

    .university-carousel-wrapper {
        margin-bottom: 60px;
        padding: 15px 0;
    }

    .university-name {
        font-size: 14px;
        padding: 6px 12px;
    }

    .university-carousel {
        gap: 30px;
        animation: scroll-left 30s linear infinite;
    }

    .university-carousel-wrapper::before,
    .university-carousel-wrapper::after {
        width: 50px;
    }

    .section-divider {
        margin: 50px 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-top: 50px;
    }

    .stat-number {
        font-size: 40px;
    }

    .stat-label {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .universities-section {
        padding: 50px 0 70px;
    }

    .heading-text {
        font-size: 15px;
    }

    .university-carousel-wrapper {
        padding: 12px 0;
    }

    .university-name {
        font-size: 13px;
        padding: 5px 10px;
    }

    .university-carousel {
        gap: 25px;
        animation: scroll-left 25s linear infinite;
    }

    .university-carousel-wrapper::before,
    .university-carousel-wrapper::after {
        width: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-label {
        font-size: 12px;
    }

    .stats-grid {
        gap: 35px;
    }
}

/* Accessibility for Universities Section */
@media (prefers-reduced-motion: reduce) {
    .university-carousel,
    .stat-item,
    .decorative-strokes,
    .university-name {
        animation: none !important;
    }

    .university-carousel {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ========================
   FEATURES SECTION
   ======================== */

.features-section {
    background: #FFFFFF;
    padding: 100px 0 120px;
    position: relative;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.features-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.features-grid-row2 {
    margin-top: 40px;
}

/* Feature Card */
.feature-card {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card:hover {
    border-color: #0F766E;
    box-shadow: 0 12px 32px rgba(15, 118, 110, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #E6F7F5 0%, #CCF0EB 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: #0F766E;
    margin: 0;
    letter-spacing: -0.01em;
}

.feature-description {
    font-size: 15px;
    line-height: 1.6;
    color: #6B7280;
    margin: 0;
}

/* AI Models List */
.ai-models-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.model-item {
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.model-item.model-complete {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    border-color: #6EE7B7;
}

.model-item.model-analyzing {
    background: #F1F5F9;
    border-color: #CBD5E1;
}

.model-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.model-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-name {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.model-status {
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 6px;
}

.status-complete {
    background: #0F766E;
    color: white;
}

.status-analyzing {
    background: #94A3B8;
    color: white;
}

/* Feedback Preview Card */
.feedback-preview-card {
    background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
    border: 1px solid #7DD3FC;
    border-radius: 12px;
    padding: 20px;
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feedback-preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feedback-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.feedback-preview-content {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    padding: 14px;
}

.feedback-preview-text {
    font-size: 13px;
    line-height: 1.6;
    color: #1e293b;
    margin: 0;
}

.feedback-preview-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.btn-preview-edit,
.btn-preview-release {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.button-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple-effect 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-effect {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* Rubric Items List */
.rubric-items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.rubric-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.rubric-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.rubric-status {
    flex-shrink: 0;
}

.rubric-content {
    flex: 1;
}

.rubric-text {
    font-size: 13px;
    color: #374151;
    line-height: 1.5;
}

.rubric-points {
    font-size: 13px;
    font-weight: 700;
    color: #0F766E;
    white-space: nowrap;
}

.rubric-item.rubric-incorrect .rubric-points {
    color: #94A3B8;
}

/* Calibration Box */
.calibration-box {
    background: linear-gradient(135deg, #CCFBF1 0%, #99F6E4 100%);
    border: 1px solid #5EEAD4;
    border-radius: 12px;
    padding: 20px;
    margin-top: 10px;
}

.calibration-title {
    font-size: 15px;
    font-weight: 600;
    color: #0F766E;
    margin: 0 0 12px 0;
}

.calibration-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.calibration-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid #0F766E;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #0F766E;
    transition: all 0.3s ease;
}

.calibration-pill:hover {
    background: white;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

.pill-adapting svg {
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.pill-improving svg {
    animation: bounce-up 1s ease-in-out infinite;
}

@keyframes bounce-up {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* Learning Steps */
.learning-steps {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #E5E7EB;
}

.learning-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.step-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    transition: all 0.3s ease;
}

.step-1 {
    background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
}

.step-2 {
    background: linear-gradient(135deg, #0891B2 0%, #06B6D4 100%);
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.step-3 {
    background: linear-gradient(135deg, #7C3AED 0%, #8B5CF6 100%);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.step-icon:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.4);
}

.step-label {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
}

/* Pulse animation for step icons */
.step-icon {
    animation: pulse-glow 2s ease-in-out infinite;
}

.step-2 {
    animation-delay: 0.3s;
}

.step-3 {
    animation-delay: 0.6s;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
    }
    50% {
        box-shadow: 0 6px 20px rgba(15, 118, 110, 0.5);
    }
}

.btn-preview-edit {
    background: white;
    color: #0F766E;
    border: 1px solid #0F766E;
}

.btn-preview-edit:hover {
    background: #F0FDF4;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.15);
}

.btn-preview-release {
    background: #0F766E;
    color: white;
}

.btn-preview-release:hover {
    background: #0D6559;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
}

/* Features Section - Responsive Tablet */
@media (max-width: 1024px) {
    .features-section {
        padding: 80px 0 100px;
    }

    .features-title {
        font-size: 32px;
        margin-bottom: 50px;
    }

    .features-grid {
        gap: 30px;
    }

    .features-grid-row2 {
        margin-top: 30px;
    }

    .feature-card {
        padding: 32px;
    }

    .learning-steps {
        gap: 15px;
    }

    .step-icon {
        width: 44px;
        height: 44px;
        font-size: 16px;
    }
}

/* Features Section - Responsive Mobile */
@media (max-width: 768px) {
    .features-section {
        padding: 60px 0 80px;
    }

    .features-container {
        padding: 0 20px;
    }

    .features-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .features-grid-row2 {
        margin-top: 24px;
    }

    .feature-card {
        padding: 28px;
    }

    .rubric-item {
        padding: 10px 14px;
    }

    .rubric-text {
        font-size: 12px;
    }

    .rubric-points {
        font-size: 12px;
    }

    .calibration-box {
        padding: 16px;
    }

    .calibration-title {
        font-size: 14px;
    }

    .learning-steps {
        gap: 12px;
    }

    .step-icon {
        width: 40px;
        height: 40px;
        font-size: 15px;
    }

    .step-label {
        font-size: 12px;
    }

    .feature-title {
        font-size: 18px;
    }

    .feature-description {
        font-size: 14px;
    }

    .feedback-preview-card {
        padding: 16px;
    }

    .feedback-preview-text {
        font-size: 12px;
    }

    .btn-preview-edit,
    .btn-preview-release {
        font-size: 12px;
        padding: 7px 12px;
    }
}

@media (max-width: 480px) {
    .features-title {
        font-size: 24px;
    }

    .feature-card {
        padding: 24px;
        gap: 16px;
    }

    .model-item {
        padding: 12px 14px;
    }

    .model-name {
        font-size: 13px;
    }

    .model-status {
        font-size: 11px;
        padding: 3px 10px;
    }

    .feedback-preview-actions {
        flex-direction: column;
        gap: 8px;
    }

    .btn-preview-edit,
    .btn-preview-release {
        width: 100%;
        justify-content: center;
    }

    .rubric-item {
        padding: 10px 12px;
        gap: 10px;
    }

    .rubric-status svg {
        width: 18px;
        height: 18px;
    }

    .calibration-pills {
        gap: 8px;
    }

    .calibration-pill {
        font-size: 12px;
        padding: 6px 12px;
    }

    .learning-steps {
        gap: 10px;
        padding-top: 16px;
        margin-top: 16px;
    }

    .step-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .step-label {
        font-size: 11px;
    }
}

/* ========================
   AI ESSAY GRADER SHOWCASE
   ======================== */

.essay-grader-showcase {
    background: linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
    padding: 100px 0;
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.showcase-card {
    background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
    border-radius: 24px;
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
}

/* Decorative grid pattern */
.showcase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    opacity: 0.3;
}

.showcase-title {
    font-size: 40px;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.showcase-description {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
    letter-spacing: 0.3px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.showcase-caption {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    margin: 30px 0 0 0;
    position: relative;
    z-index: 1;
    font-style: italic;
}

/* Mockup Wrapper */
.showcase-mockup {
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.mockup-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.mockup-panel {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.mockup-panel:hover {
    transform: translateY(-8px);
}

.mockup-header {
    background: #F3F4F6;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #E5E7EB;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #CBD5E1;
}

.mockup-dots span:nth-child(1) {
    background: #EF4444;
}

.mockup-dots span:nth-child(2) {
    background: #F59E0B;
}

.mockup-dots span:nth-child(3) {
    background: #10B981;
}

.mockup-title-bar {
    font-size: 12px;
    font-weight: 600;
    color: #6B7280;
}

.mockup-content {
    padding: 24px;
    background: white;
    min-height: 350px;
}

.essay-content-scroll,
.grading-content-scroll {
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
}

.essay-content-scroll::-webkit-scrollbar,
.grading-content-scroll::-webkit-scrollbar {
    width: 6px;
}

.essay-content-scroll::-webkit-scrollbar-track,
.grading-content-scroll::-webkit-scrollbar-track {
    background: #F3F4F6;
}

.essay-content-scroll::-webkit-scrollbar-thumb,
.grading-content-scroll::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 3px;
}

.essay-content-scroll::-webkit-scrollbar-thumb:hover,
.grading-content-scroll::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

/* Essay Content */
.essay-title {
    font-size: 16px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 20px;
    line-height: 1.4;
}

.essay-paragraph {
    font-size: 13px;
    line-height: 1.8;
    color: #374151;
    margin-bottom: 14px;
    text-align: justify;
}

.essay-highlight mark {
    background: #FEF3C7;
    padding: 2px 0;
    border-radius: 2px;
    animation: highlight-pulse 2s ease-in-out infinite;
}

@keyframes highlight-pulse {
    0%, 100% {
        background: #FEF3C7;
    }
    50% {
        background: #FDE68A;
    }
}

/* Essay Lines */
.essay-lines {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.essay-line {
    height: 8px;
    background: linear-gradient(90deg, #E5E7EB 0%, #F3F4F6 100%);
    border-radius: 4px;
    animation: shimmer 2s ease-in-out infinite;
}

.essay-line.long {
    width: 100%;
}

.essay-line.medium {
    width: 85%;
}

.essay-line.short {
    width: 60%;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Rubric Grid */
.rubric-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rubric-row {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 12px;
    align-items: center;
    padding: 10px;
    background: #F9FAFB;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.rubric-row:hover {
    background: #F3F4F6;
    transform: translateX(4px);
}

.rubric-category {
    font-size: 12px;
    font-weight: 600;
    color: #374151;
}

.rubric-score {
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    padding: 6px 10px;
    border-radius: 6px;
    white-space: nowrap;
}

.score-excellent {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.score-good {
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
    color: #1E40AF;
    border: 1px solid #93C5FD;
}

.score-fair {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    color: #92400E;
    border: 1px solid #FCD34D;
}

.rubric-feedback {
    font-size: 11px;
    color: #6B7280;
    font-style: italic;
}

.rubric-total {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 12px;
    align-items: center;
    padding: 14px 10px;
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
    border: 2px solid #10B981;
    border-radius: 10px;
    margin-top: 10px;
}

.score-total {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    color: white;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Showcase Features */
.showcase-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.showcase-feature {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.feature-icon-white {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-icon-white:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.feature-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin: 0;
    letter-spacing: -0.01em;
}

.feature-subdesc {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    max-width: 280px;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .essay-grader-showcase {
        padding: 80px 0;
    }

    .showcase-card {
        padding: 50px 40px;
    }

    .showcase-title {
        font-size: 36px;
        margin-bottom: 14px;
    }

    .showcase-description {
        font-size: 13px;
        margin-bottom: 40px;
    }

    .mockup-wrapper {
        gap: 16px;
    }

    .mockup-content {
        min-height: 300px;
        padding: 20px;
    }

    .essay-content-scroll,
    .grading-content-scroll {
        max-height: 350px;
    }

    .essay-title {
        font-size: 15px;
    }

    .essay-paragraph {
        font-size: 12px;
    }

    .rubric-row {
        grid-template-columns: 2fr 0.8fr 2fr;
        gap: 10px;
        padding: 9px;
    }

    .rubric-category {
        font-size: 11px;
    }

    .rubric-score {
        font-size: 13px;
        padding: 5px 8px;
    }

    .rubric-feedback {
        font-size: 10px;
    }

    .showcase-features {
        gap: 30px;
    }

    .feature-icon-white {
        width: 56px;
        height: 56px;
    }

    .feature-subtitle {
        font-size: 16px;
    }

    .feature-subdesc {
        font-size: 13px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .essay-grader-showcase {
        padding: 60px 0;
    }

    .showcase-container {
        padding: 0 20px;
    }

    .showcase-card {
        padding: 40px 24px;
        border-radius: 20px;
    }

    .showcase-title {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .showcase-description {
        font-size: 13px;
        margin-bottom: 30px;
        padding: 0 10px;
    }

    .mockup-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .mockup-content {
        min-height: 250px;
        padding: 16px;
    }

    .essay-content-scroll,
    .grading-content-scroll {
        max-height: 300px;
    }

    .essay-title {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .essay-paragraph {
        font-size: 11px;
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .rubric-row {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 10px;
    }

    .rubric-category {
        font-size: 11px;
    }

    .rubric-score {
        font-size: 12px;
        padding: 5px 8px;
        width: fit-content;
    }

    .rubric-feedback {
        font-size: 10px;
    }

    .rubric-total {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 12px 10px;
    }

    .score-total {
        font-size: 14px;
        width: fit-content;
    }

    .essay-lines {
        gap: 8px;
    }

    .essay-line {
        height: 6px;
    }

    .grading-sections {
        gap: 16px;
    }

    .section-bars {
        gap: 4px;
    }

    .bar {
        height: 20px;
    }

    .showcase-features {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-icon-white {
        width: 52px;
        height: 52px;
    }

    .feature-subtitle {
        font-size: 16px;
    }

    .feature-subdesc {
        font-size: 13px;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .showcase-card {
        padding: 32px 20px;
    }

    .showcase-title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .mockup-header {
        padding: 10px 12px;
    }

    .mockup-dots span {
        width: 8px;
        height: 8px;
    }

    .mockup-title-bar {
        font-size: 11px;
    }

    .mockup-content {
        padding: 14px;
        min-height: 220px;
    }

    .essay-content-scroll,
    .grading-content-scroll {
        max-height: 250px;
    }

    .essay-title {
        font-size: 13px;
        margin-bottom: 14px;
    }

    .essay-paragraph {
        font-size: 10px;
        line-height: 1.6;
        margin-bottom: 10px;
    }

    .rubric-row {
        padding: 8px;
        gap: 6px;
    }

    .rubric-category {
        font-size: 10px;
    }

    .rubric-score {
        font-size: 11px;
        padding: 4px 6px;
    }

    .rubric-feedback {
        font-size: 9px;
    }

    .rubric-total {
        padding: 10px 8px;
        gap: 6px;
    }

    .score-total {
        font-size: 13px;
    }

    .showcase-description {
        font-size: 12px;
    }

    .showcase-caption {
        font-size: 11px;
        margin-top: 20px;
    }

    .section-header {
        font-size: 11px;
    }

    .bar {
        height: 18px;
    }

    .feature-icon-white {
        width: 48px;
        height: 48px;
    }

    .feature-icon-white svg {
        width: 28px;
        height: 28px;
    }

    .feature-subtitle {
        font-size: 15px;
    }

    .feature-subdesc {
        font-size: 12px;
    }

    .showcase-features {
        gap: 28px;
    }
}

/* ========================
   TESTIMONIALS SECTION
   ======================== */

.testimonials-section {
    background: #FFFFFF;
    padding: 100px 0 120px;
}

.testimonials-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
.testimonials-header {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials-title {
    font-size: 40px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.testimonials-subtitle {
    font-size: 18px;
    color: #6B7280;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Carousel Wrapper */
.testimonials-carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
}

.testimonials-carousel {
    flex: 1;
    overflow: hidden;
    padding: 10px 0;
}

.testimonials-track {
    display: grid;
    grid-template-columns: repeat(6, minmax(300px, 1fr));
    gap: 24px;
    transition: transform 0.5s ease;
}

/* Testimonial Card */
.testimonial-card {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: all 0.3s ease;
    min-height: 380px;
}

.testimonial-card:hover {
    border-color: #0F766E;
    box-shadow: 0 12px 32px rgba(15, 118, 110, 0.12);
    transform: translateY(-4px);
}

.testimonial-quote {
    font-size: 15px;
    line-height: 1.7;
    color: #374151;
    background: #F9FAFB;
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid #0F766E;
    flex: 1;
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    font-size: 48px;
    font-weight: 700;
    color: #0F766E;
    opacity: 0.2;
    position: absolute;
    top: 10px;
    left: 15px;
    line-height: 1;
}

/* Author Section */
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-photo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #E5E7EB;
    transition: all 0.3s ease;
}

.testimonial-card:hover .author-photo {
    border-color: #0F766E;
    transform: scale(1.05);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-name {
    font-size: 16px;
    font-weight: 700;
    color: #1F2937;
}

.author-title {
    font-size: 13px;
    color: #6B7280;
    font-weight: 500;
}

.author-institution {
    font-size: 13px;
    color: #0F766E;
    font-weight: 600;
}

/* Case Study Link */
.case-study-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #0F766E;
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 8px 0;
}

.case-study-link:hover {
    color: #0D6559;
    gap: 10px;
}

.case-study-link svg {
    transition: transform 0.2s ease;
}

.case-study-link:hover svg {
    transform: translateX(3px);
}

/* Carousel Navigation */
.carousel-nav {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 2px solid #E5E7EB;
    color: #6B7280;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.carousel-nav:hover {
    background: #0F766E;
    border-color: #0F766E;
    color: white;
    transform: scale(1.1);
}

.carousel-nav:active {
    transform: scale(0.95);
}

.carousel-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-nav:disabled:hover {
    background: white;
    border-color: #E5E7EB;
    color: #6B7280;
    transform: scale(1);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .testimonials-section {
        padding: 80px 0 100px;
    }

    .testimonials-title {
        font-size: 36px;
    }

    .testimonials-subtitle {
        font-size: 16px;
    }

    .testimonials-track {
        grid-template-columns: repeat(6, minmax(280px, 1fr));
        gap: 20px;
    }

    .testimonial-card {
        padding: 28px;
        min-height: 350px;
    }

    .testimonial-quote {
        font-size: 14px;
        padding: 18px;
    }

    .carousel-nav {
        width: 44px;
        height: 44px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .testimonials-section {
        padding: 60px 0 80px;
    }

    .testimonials-container {
        padding: 0 20px;
    }

    .testimonials-header {
        margin-bottom: 40px;
    }

    .testimonials-title {
        font-size: 28px;
    }

    .testimonials-subtitle {
        font-size: 15px;
    }

    .testimonials-carousel-wrapper {
        gap: 12px;
    }

    .testimonials-track {
        grid-template-columns: repeat(6, 1fr);
        gap: 20px;
    }

    .testimonial-card {
        padding: 24px;
        min-height: 320px;
    }

    .testimonial-quote {
        font-size: 14px;
        padding: 16px;
    }

    .author-photo {
        width: 48px;
        height: 48px;
    }

    .author-name {
        font-size: 15px;
    }

    .author-title,
    .author-institution {
        font-size: 12px;
    }

    .carousel-nav {
        width: 40px;
        height: 40px;
    }

    .carousel-nav svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .testimonials-title {
        font-size: 24px;
    }

    .testimonials-subtitle {
        font-size: 14px;
    }

    .testimonial-card {
        padding: 20px;
        gap: 20px;
        min-height: 300px;
    }

    .testimonial-quote {
        font-size: 13px;
        padding: 14px;
    }

    .testimonial-quote::before {
        font-size: 36px;
        top: 8px;
        left: 12px;
    }

    .author-photo {
        width: 44px;
        height: 44px;
    }

    .case-study-link {
        font-size: 13px;
    }

    .carousel-nav {
        width: 36px;
        height: 36px;
    }
}

/* ========================
   LMS INTEGRATION SECTION
   ======================== */

.lms-integration-section {
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
    padding: 120px 0;
    overflow: hidden;
}

.lms-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.lms-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Left Text Content */
.lms-text-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.lms-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.lms-description {
    font-size: 17px;
    line-height: 1.7;
    color: #6B7280;
    max-width: 500px;
}

/* Right Icons Container - 3D Effects */
.lms-icons-container {
    position: relative;
    height: 400px;
    perspective: 1000px;
}

.icons-orbit {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

/* LMS Icon Base Styling */
.lms-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    transform-style: preserve-3d;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-inner {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: white;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.1),
        0 5px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateZ(30px);
    transition: all 0.4s ease;
}

.lms-icon:hover .icon-inner {
    transform: translateZ(60px) scale(1.1);
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.15),
        0 10px 25px rgba(0, 0, 0, 0.12);
}

/* Icon Positions - Circular Arrangement */
.icon-1 {
    top: 0%;
    left: 50%;
    transform: translate(-50%, 0) translateZ(20px);
    animation: float-1 4s ease-in-out infinite;
}

.icon-2 {
    top: 15%;
    right: 5%;
    transform: translate(0, 0) translateZ(40px) rotateY(10deg);
    animation: float-2 4.5s ease-in-out infinite;
}

.icon-3 {
    top: 35%;
    left: 0%;
    transform: translate(0, 0) translateZ(30px) rotateY(-10deg);
    animation: float-3 5s ease-in-out infinite;
}

.icon-4 {
    top: 35%;
    right: -5%;
    transform: translate(0, 0) translateZ(25px) rotateY(15deg);
    animation: float-4 4.2s ease-in-out infinite;
}

.icon-5 {
    bottom: 15%;
    left: 10%;
    transform: translate(0, 0) translateZ(35px) rotateY(-5deg);
    animation: float-5 4.8s ease-in-out infinite;
}

.icon-6 {
    bottom: 10%;
    right: 8%;
    transform: translate(0, 0) translateZ(45px) rotateY(8deg);
    animation: float-6 5.2s ease-in-out infinite;
}

.icon-7 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateZ(50px) scale(1.1);
    animation: float-7 3.5s ease-in-out infinite;
}

/* Floating Animations */
@keyframes float-1 {
    0%, 100% {
        transform: translate(-50%, 0) translateZ(20px);
    }
    50% {
        transform: translate(-50%, -15px) translateZ(35px);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: translate(0, 0) translateZ(40px) rotateY(10deg);
    }
    50% {
        transform: translate(5px, -10px) translateZ(55px) rotateY(15deg);
    }
}

@keyframes float-3 {
    0%, 100% {
        transform: translate(0, 0) translateZ(30px) rotateY(-10deg);
    }
    50% {
        transform: translate(-10px, -12px) translateZ(45px) rotateY(-15deg);
    }
}

@keyframes float-4 {
    0%, 100% {
        transform: translate(0, 0) translateZ(25px) rotateY(15deg);
    }
    50% {
        transform: translate(8px, -8px) translateZ(40px) rotateY(20deg);
    }
}

@keyframes float-5 {
    0%, 100% {
        transform: translate(0, 0) translateZ(35px) rotateY(-5deg);
    }
    50% {
        transform: translate(-12px, 10px) translateZ(50px) rotateY(-10deg);
    }
}

@keyframes float-6 {
    0%, 100% {
        transform: translate(0, 0) translateZ(45px) rotateY(8deg);
    }
    50% {
        transform: translate(10px, 12px) translateZ(60px) rotateY(12deg);
    }
}

@keyframes float-7 {
    0%, 100% {
        transform: translate(-50%, -50%) translateZ(50px) scale(1.1);
    }
    50% {
        transform: translate(-50%, -50%) translateZ(70px) scale(1.15);
    }
}

/* Glow effect on hover */
.lms-icon:hover {
    filter: brightness(1.1);
    z-index: 10;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .lms-integration-section {
        padding: 100px 0;
    }

    .lms-content-wrapper {
        gap: 60px;
    }

    .lms-title {
        font-size: 36px;
    }

    .lms-description {
        font-size: 16px;
    }

    .lms-icons-container {
        height: 350px;
    }

    .lms-icon {
        width: 70px;
        height: 70px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .lms-integration-section {
        padding: 80px 0;
    }

    .lms-container {
        padding: 0 20px;
    }

    .lms-content-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .lms-title {
        font-size: 28px;
    }

    .lms-description {
        font-size: 15px;
        max-width: 100%;
    }

    .lms-icons-container {
        height: 300px;
    }

    .lms-icon {
        width: 60px;
        height: 60px;
    }

    .icon-inner {
        border-radius: 15px;
    }

    .icon-inner svg {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .lms-title {
        font-size: 24px;
    }

    .lms-description {
        font-size: 14px;
    }

    .lms-icons-container {
        height: 250px;
    }

    .lms-icon {
        width: 50px;
        height: 50px;
    }

    .icon-inner svg {
        width: 32px;
        height: 32px;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .lms-icon,
    .icon-inner {
        animation: none !important;
        transition: none !important;
    }
}

/* ========================
   DATA SECURITY SECTION
   ======================== */

.security-section {
    background: linear-gradient(180deg, #FFFFFF 0%, #F0FDFA 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

/* Decorative background elements */
.security-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(15, 118, 110, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.security-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.security-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
}

/* Header */
.security-header {
    text-align: center;
    margin-bottom: 70px;
}

.security-title {
    font-size: 44px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1a1a1a 0%, #374151 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.security-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: #6B7280;
    max-width: 800px;
    margin: 0 auto;
}

/* Security Badges */
.security-badges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.security-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

.security-badge:hover {
    transform: translateY(-8px);
}

.badge-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 10px 40px rgba(15, 118, 110, 0.3),
        0 4px 12px rgba(15, 118, 110, 0.2);
    position: relative;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.badge-circle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0;
    }
}

.security-badge:hover .badge-circle {
    box-shadow:
        0 15px 50px rgba(15, 118, 110, 0.4),
        0 8px 20px rgba(15, 118, 110, 0.3);
    transform: scale(1.05);
}

.badge-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.badge-text {
    font-size: 24px;
    font-weight: 800;
    color: white;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge-subtext {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.badge-label {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    text-align: center;
    max-width: 180px;
    line-height: 1.4;
}

/* Security Footer - Additional Features */
.security-footer {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    border: 1px solid #E5E7EB;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.security-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #F9FAFB;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.security-feature-item:hover {
    background: #F0FDF4;
    transform: translateX(4px);
}

.security-feature-item svg {
    flex-shrink: 0;
}

.security-feature-item span {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

/* Shine effect on badges */
.badge-circle::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .security-section {
        padding: 100px 0;
    }

    .security-title {
        font-size: 38px;
    }

    .security-subtitle {
        font-size: 16px;
    }

    .security-badges {
        gap: 35px;
    }

    .badge-circle {
        width: 120px;
        height: 120px;
    }

    .badge-text {
        font-size: 22px;
    }

    .security-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .security-section {
        padding: 80px 0;
    }

    .security-container {
        padding: 0 20px;
    }

    .security-header {
        margin-bottom: 50px;
    }

    .security-title {
        font-size: 32px;
    }

    .security-subtitle {
        font-size: 15px;
    }

    .security-badges {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        margin-bottom: 60px;
    }

    .badge-circle {
        width: 110px;
        height: 110px;
    }

    .badge-text {
        font-size: 20px;
    }

    .badge-label {
        font-size: 13px;
    }

    .security-footer {
        padding: 30px 20px;
    }

    .security-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .security-feature-item {
        padding: 14px;
    }
}

@media (max-width: 480px) {
    .security-title {
        font-size: 28px;
    }

    .security-subtitle {
        font-size: 14px;
    }

    .security-badges {
        gap: 24px;
    }

    .badge-circle {
        width: 100px;
        height: 100px;
    }

    .badge-text {
        font-size: 18px;
    }

    .badge-subtext {
        font-size: 10px;
    }

    .badge-label {
        font-size: 12px;
    }

    .security-footer {
        padding: 24px 16px;
        border-radius: 16px;
    }

    .security-feature-item {
        padding: 12px;
        gap: 10px;
    }

    .security-feature-item svg {
        width: 20px;
        height: 20px;
    }

    .security-feature-item span {
        font-size: 13px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .badge-circle,
    .badge-circle::before,
    .security-badge,
    .security-feature-item {
        animation: none !important;
        transition: none !important;
    }
}

/* ========================
   FINAL CTA SECTION
   ======================== */

.final-cta-section {
    background: linear-gradient(180deg, #F0FDFA 0%, #FFFFFF 100%);
    padding: 120px 0;
}

.final-cta-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

/* Dashboard Mockup */
.dashboard-mockup {
    width: 100%;
    display: flex;
    justify-content: center;
}

.mockup-browser {
    width: 100%;
    max-width: 1000px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.mockup-browser:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.18);
}

/* Browser Header */
.browser-header {
    background: #F3F4F6;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid #E5E7EB;
}

.browser-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red {
    background: #EF4444;
}

.dot-yellow {
    background: #F59E0B;
}

.dot-green {
    background: #10B981;
}

.browser-url {
    flex: 1;
    background: white;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 13px;
    color: #6B7280;
    border: 1px solid #E5E7EB;
}

/* Dashboard Content */
.dashboard-content {
    background: #F9FAFB;
    min-height: 400px;
}

.dashboard-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 400px;
}

/* Sidebar */
.dashboard-sidebar {
    background: white;
    border-right: 1px solid #E5E7EB;
    padding: 24px 0;
}

.sidebar-header {
    padding: 0 20px 20px;
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
    border-radius: 8px;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 12px;
}

.menu-item {
    padding: 10px 16px;
    font-size: 14px;
    color: #6B7280;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.menu-item:hover {
    background: #F3F4F6;
    color: #374151;
}

.menu-item.active {
    background: #E6F7F5;
    color: #0F766E;
    font-weight: 600;
}

/* Dashboard Main */
.dashboard-main {
    padding: 32px;
}

.dashboard-header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.dashboard-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
}

.btn-new-assignment {
    background: #0F766E;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-new-assignment:hover {
    background: #0D6559;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
}

/* Assignments Table */
.assignments-table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 0.5fr;
    gap: 20px;
    padding: 16px 20px;
    align-items: center;
    border-bottom: 1px solid #F3F4F6;
}

.table-row:last-child {
    border-bottom: none;
}

.table-header {
    background: #F9FAFB;
    font-weight: 600;
    font-size: 13px;
    color: #6B7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
}

.table-cell strong {
    font-weight: 600;
    color: #1a1a1a;
}

/* Progress Bar */
.progress-bar {
    flex: 1;
    height: 8px;
    background: #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #0F766E 0%, #14B8A6 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 13px;
    font-weight: 600;
    color: #0F766E;
    min-width: 40px;
}

/* Status Badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-active {
    background: #DBEAFE;
    color: #1E40AF;
}

.badge-completed {
    background: #D1FAE5;
    color: #065F46;
}

/* Check Icon */
.check-icon {
    width: 24px;
    height: 24px;
    background: #10B981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

/* CTA Content */
.cta-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.cta-title {
    font-size: 48px;
    font-weight: 800;
    color: #1a1a1a;
    letter-spacing: -0.02em;
    line-height: 1.2;
    max-width: 700px;
}

.cta-subtitle {
    font-size: 20px;
    color: #6B7280;
    font-weight: 500;
    max-width: 800px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.btn-cta-primary,
.btn-cta-secondary {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-cta-primary {
    background: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
}

.btn-cta-primary svg {
    transition: transform 0.3s ease;
}

.btn-cta-primary:hover {
    background: #0F766E;
    border-color: #0F766E;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.3);
}

.btn-cta-primary:hover svg {
    transform: translateX(4px);
}

.btn-cta-secondary {
    background: white;
    color: #1a1a1a;
    border-color: #E5E7EB;
}

.btn-cta-secondary:hover {
    border-color: #0F766E;
    color: #0F766E;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .final-cta-section {
        padding: 100px 0;
    }

    .dashboard-layout {
        grid-template-columns: 180px 1fr;
    }

    .dashboard-main {
        padding: 24px;
    }

    .table-row {
        grid-template-columns: 2fr 1.5fr 1fr 0.5fr;
        gap: 16px;
        padding: 14px 16px;
    }

    .cta-title {
        font-size: 40px;
    }

    .cta-subtitle {
        font-size: 18px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .final-cta-section {
        padding: 80px 0;
    }

    .final-cta-container {
        padding: 0 20px;
        gap: 50px;
    }

    .dashboard-layout {
        grid-template-columns: 1fr;
    }

    .dashboard-sidebar {
        display: none;
    }

    .dashboard-main {
        padding: 20px;
    }

    .dashboard-title {
        font-size: 20px;
    }

    .table-row {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 16px;
    }

    .table-header {
        display: none;
    }

    .table-cell {
        justify-content: space-between;
    }

    .table-cell::before {
        content: attr(data-label);
        font-weight: 600;
        color: #6B7280;
        font-size: 12px;
    }

    .cta-title {
        font-size: 32px;
    }

    .cta-subtitle {
        font-size: 16px;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .browser-header {
        padding: 10px 16px;
    }

    .browser-dots {
        gap: 6px;
    }

    .dot {
        width: 10px;
        height: 10px;
    }

    .browser-url {
        font-size: 11px;
        padding: 4px 12px;
    }

    .dashboard-content {
        min-height: 350px;
    }

    .dashboard-main {
        padding: 16px;
    }

    .dashboard-title {
        font-size: 18px;
    }

    .btn-new-assignment {
        padding: 8px 16px;
        font-size: 13px;
    }

    .cta-title {
        font-size: 28px;
    }

    .cta-subtitle {
        font-size: 15px;
    }

    .btn-cta-primary,
    .btn-cta-secondary {
        padding: 14px 28px;
        font-size: 15px;
    }
}

/* ========================
   FAQ SECTION
   ======================== */

.faq-section {
    background: #FFFFFF;
    padding: 120px 0;
    position: relative;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

/* Decorative Strokes */
.faq-decorative-strokes {
    position: absolute;
    top: -20px;
    right: 40px;
    opacity: 0.8;
    animation: float-strokes 4s ease-in-out infinite;
}

@keyframes float-strokes {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(3deg);
    }
}

/* FAQ Title */
.faq-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 60px;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

/* FAQ Accordion */
.faq-accordion {
    display: flex;
    flex-direction: column;
}

/* FAQ Item */
.faq-item {
    border-bottom: 1px solid #E5E7EB;
}

.faq-item:last-child {
    border-bottom: none;
}

/* FAQ Question Button */
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: #0F766E;
}

.faq-question:hover .chevron-icon {
    color: #0F766E;
}

.question-text {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    transition: color 0.3s ease;
    line-height: 1.4;
    padding-right: 20px;
}

.faq-question:hover .question-text {
    color: #0F766E;
}

/* Chevron Icon */
.chevron-icon {
    flex-shrink: 0;
    color: #6B7280;
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active .chevron-icon {
    transform: rotate(180deg);
    color: #0F766E;
}

/* FAQ Answer */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    margin-bottom: 24px;
}

.answer-content {
    padding: 0 0 24px 0;
}

.answer-content p {
    font-size: 16px;
    line-height: 1.7;
    color: #6B7280;
    margin: 0;
}

/* Active State */
.faq-item.active .faq-question {
    color: #0F766E;
}

.faq-item.active .question-text {
    color: #0F766E;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .faq-section {
        padding: 100px 0;
    }

    .faq-title {
        font-size: 32px;
        margin-bottom: 50px;
    }

    .question-text {
        font-size: 18px;
    }

    .answer-content p {
        font-size: 15px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .faq-section {
        padding: 80px 0;
    }

    .faq-container {
        padding: 0 20px;
    }

    .faq-decorative-strokes {
        right: 20px;
        width: 100px;
        height: 70px;
    }

    .faq-title {
        font-size: 28px;
        margin-bottom: 40px;
        padding-right: 80px;
    }

    .faq-question {
        padding: 24px 0;
    }

    .question-text {
        font-size: 17px;
    }

    .answer-content {
        padding: 0 0 20px 0;
    }

    .answer-content p {
        font-size: 14px;
    }

    .chevron-icon {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .faq-title {
        font-size: 24px;
        padding-right: 70px;
    }

    .faq-decorative-strokes {
        width: 80px;
        height: 60px;
        right: 15px;
    }

    .faq-question {
        padding: 20px 0;
    }

    .question-text {
        font-size: 16px;
    }

    .answer-content p {
        font-size: 13px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .faq-decorative-strokes,
    .chevron-icon,
    .faq-answer {
        animation: none !important;
        transition: none !important;
    }
}

/* ========================
   FOOTER
   ======================== */

.footer {
    background: #1a1a1a;
    color: white;
    padding: 80px 0 40px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Footer Top */
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

/* Footer Brand Column */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 50%;
    position: relative;
}

.footer-logo-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: #1a1a1a;
    border-radius: 50%;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-heading {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin: 0 0 16px 0;
}

.footer-email {
    font-size: 15px;
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-email:hover {
    color: #14B8A6;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a {
    font-size: 15px;
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-block;
}

.footer-links li a:hover {
    color: #14B8A6;
}

/* Footer Divider */
.footer-divider {
    width: 100%;
    height: 1px;
    background: #374151;
    margin: 50px 0 30px;
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 14px;
    color: #6B7280;
    margin: 0;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: #14B8A6;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.4);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .footer {
        padding: 70px 0 35px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 50px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .footer {
        padding: 60px 0 30px;
    }

    .footer-container {
        padding: 0 20px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .footer-brand {
        gap: 24px;
    }

    .footer-heading {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .footer-email,
    .footer-links li a {
        font-size: 14px;
    }

    .footer-divider {
        margin: 40px 0 25px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-copyright {
        font-size: 13px;
    }

    .social-icon {
        width: 36px;
        height: 36px;
    }

    .social-icon svg {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 50px 0 25px;
    }

    .footer-logo-icon {
        width: 28px;
        height: 28px;
    }

    .footer-logo-icon::after {
        width: 10px;
        height: 10px;
    }

    .footer-logo-text {
        font-size: 18px;
    }

    .footer-heading {
        font-size: 14px;
    }

    .footer-email,
    .footer-links li a {
        font-size: 13px;
    }

    .footer-copyright {
        font-size: 12px;
    }
}

/* Hero GIF */
.hero-gif-wrapper {
    width: 100%;
    max-width: 620px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-gif {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

/* Brand Logo (full lockup) */
html {
    scroll-behavior: smooth;
}
.nav-logo .brand-logo {
    height: 34px;
    width: auto;
    display: block;
}
.footer-logo .brand-logo {
    height: 34px;
    width: auto;
    display: block;
}
section,
footer {
    scroll-margin-top: 90px;
}

/* Legal Pages */
.legal-page {
    background: #ffffff;
    padding: 140px 0 80px;
}
.legal-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 40px;
}
.legal-title {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 12px;
}
.legal-intro {
    font-size: 16px;
    color: #6B7280;
    line-height: 1.7;
    margin-bottom: 40px;
}
.legal-container h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 40px 0 16px;
}
.legal-container h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 28px 0 12px;
}
.legal-container p {
    font-size: 15px;
    color: #374151;
    line-height: 1.8;
    margin-bottom: 14px;
}
.legal-container ul {
    margin: 0 0 18px 20px;
    padding-left: 8px;
}
.legal-container li {
    font-size: 15px;
    color: #374151;
    line-height: 1.8;
    margin-bottom: 8px;
}
.legal-container strong {
    color: #1a1a1a;
}