/* ==================== CSS VARIABLES ==================== */
:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --container-max: 1400px;
    --section-padding: 50px;
    --card-radius: 16px;
    --button-radius: 8px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
}

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
}

/* ==================== UTILITIES ==================== */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 32px;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--button-radius);
    border: none;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--gray-50);
}

.btn-full {
    width: 100%;
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-danger:hover {
    background: #dc2626;
}

/* ==================== NAVBAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-logo:hover {
    color: var(--gray-900);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--button-radius);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--gray-900);
    background: var(--gray-100);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-auth .btn {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.user-name {
    font-weight: 500;
    color: var(--gray-700);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    color: var(--gray-700);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 24px;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    padding: 12px 16px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--button-radius);
}

.mobile-link:hover {
    background: var(--gray-100);
}

.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    margin-top: 72px;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 40px 0 50px;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 50px;
    align-items: start;
}

.hero-media {
    position: relative;
}

.video-wrapper {
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 4 / 3;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    text-align: center;
    color: var(--gray-500);
}

.placeholder-content .material-icons {
    font-size: 64px;
    margin-bottom: 12px;
}

.tutor-badge {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    padding: 10px 16px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-700);
    white-space: nowrap;
}

.tutor-badge .material-icons {
    color: var(--primary);
    font-size: 20px;
}

.hero-content {
    padding: 0;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.hero-stats {
    display: flex;
    gap: 28px;
    margin-bottom: 16px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.hero-description {
    font-size: 1.0625rem;
    color: var(--gray-600);
    margin-bottom: 20px;
    max-width: 550px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.btn-trial, .btn-full-lesson {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 20px;
    border-radius: 10px;
    text-align: left;
    min-width: 180px;
    flex: 1;
}

.btn-trial {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-trial:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full-lesson {
    background: var(--white);
    color: var(--gray-800);
    border: 2px solid var(--gray-200);
}

.btn-full-lesson:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.btn-label {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.btn-price {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 1.125rem;
    font-weight: 700;
}

.original-price {
    text-decoration: line-through;
    opacity: 0.7;
    font-size: 0.875rem;
}

.discount-price {
    font-size: 1.25rem;
    font-weight: 700;
}

.discount-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.btn-full-lesson .discount-badge {
    background: var(--accent);
    color: var(--white);
}

.btn-duration {
    font-size: 0.875rem;
    opacity: 0.8;
}

.btn-message {
    background: transparent;
    color: var(--gray-600);
    border: none;
    padding: 12px 0;
    font-weight: 500;
}

.btn-message:hover {
    color: var(--primary);
}

.btn-message .material-icons {
    font-size: 20px;
}

/* ==================== TESTIMONIALS ==================== */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
    transition: all var(--transition);
}

.testimonial-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.student-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1.25rem;
}

.student-name {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.rating {
    font-size: 0.875rem;
}

.testimonial-text {
    color: var(--gray-600);
    font-style: italic;
}

/* ==================== APP PROMO ==================== */
.app-promo {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    border-top: 1px solid var(--gray-100);
}

.app-promo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.coming-soon-banner {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.app-badge {
    display: inline-block;
    background: var(--gradient-warm);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.app-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.app-subtitle {
    font-size: 1.125rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.app-description {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
}

.app-features {
    list-style: none;
    margin-bottom: 32px;
}

.app-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.app-features li:last-child {
    border-bottom: none;
}

.app-features .material-icons {
    color: var(--secondary);
    font-size: 24px;
    flex-shrink: 0;
}

.app-pricing {
    margin-bottom: 24px;
}

.pricing-highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.free-badge {
    background: var(--secondary);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.875rem;
}

.pricing-text {
    font-weight: 500;
    color: var(--gray-700);
}

.pricing-after {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.btn-app {
    background: var(--gradient-success);
    color: var(--white);
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-app:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* App Preview */
.app-preview {
    display: flex;
    justify-content: center;
}

.app-screenshot {
    width: 300px;
}

.screenshot-placeholder {
    background: var(--gray-900);
    border-radius: 24px;
    padding: 16px;
    box-shadow: var(--shadow-xl);
}

.mock-app {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
}

.mock-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.xp {
    font-size: 0.875rem;
}

.mock-question {
    padding: 24px;
    text-align: center;
}

.mock-prompt {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.mock-word {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
}

.mock-input {
    margin: 0 24px;
    padding: 16px;
    background: var(--gray-100);
    border-radius: 8px;
    font-size: 1.125rem;
    color: var(--gray-800);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0.5; }
}

.mock-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    color: var(--accent);
    font-size: 0.875rem;
}

.mock-hint .material-icons {
    font-size: 18px;
}

/* ==================== PACKAGES ==================== */
.packages {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.package-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 32px;
    text-align: center;
    position: relative;
    transition: all var(--transition);
}

.package-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.package-card.popular {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.05) 0%, var(--white) 100%);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.package-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.package-price {
    margin-bottom: 8px;
}

.package-price .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.package-price .per {
    color: var(--gray-500);
}

.package-savings {
    color: var(--secondary);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.package-features {
    list-style: none;
    margin-bottom: 24px;
    text-align: left;
}

.package-features li {
    padding: 8px 0;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
}

.package-features li::before {
    content: '✓';
    color: var(--secondary);
    font-weight: 600;
}

.btn-package {
    width: 100%;
    padding: 14px 24px;
}

/* ==================== SCHEDULING PAGE ==================== */
.scheduling-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* New Main Layout: Left + Right */
.scheduling-main-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    align-items: start;
}

.scheduling-left {
    min-width: 0;
}

.scheduling-right {
    position: sticky;
    top: 96px; /* navbar height + padding */
}

.scheduling-header {
    text-align: center;
    margin-bottom: 32px;
}

.scheduling-header h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.timezone-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-100);
    padding: 8px 16px;
    border-radius: 50px;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.timezone-info .material-icons {
    font-size: 18px;
}

/* Lesson Type Toggle */
.lesson-type-toggle {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.toggle-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 32px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition);
    min-width: 200px;
}

.toggle-btn:hover {
    border-color: var(--primary);
}

.toggle-btn.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.toggle-label {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.toggle-details {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.toggle-details .discount {
    color: var(--secondary);
    font-weight: 600;
}

/* Scheduling Content */
.scheduling-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* Calendar Section */
.calendar-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
}

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

.calendar-month {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.calendar-nav {
    background: var(--gray-100);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.calendar-nav:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    margin-bottom: 8px;
}

.calendar-weekdays span {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    padding: 8px;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.875rem;
    color: var(--gray-400);
    cursor: default;
    transition: all var(--transition-fast);
}

.calendar-day.current-month {
    color: var(--gray-700);
}

.calendar-day.available {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    cursor: pointer;
    font-weight: 500;
}

.calendar-day.available:hover {
    background: var(--primary);
    color: var(--white);
}

.calendar-day.selected {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.calendar-day.today {
    border: 2px solid var(--primary);
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--gray-600);
}

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

.legend-dot.available {
    background: rgba(37, 99, 235, 0.3);
}

.legend-dot.selected {
    background: var(--primary);
}

/* Time Slots */
.timeslots-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
}

.timeslots-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.timeslots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.no-slots {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--gray-500);
    padding: 40px 0;
}

.timeslot {
    padding: 14px 16px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.timeslot:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
}

.timeslot.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* Booking Summary - Sticky on Right */
.booking-summary-sticky {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.booking-summary-sticky h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 20px;
}

/* Skip scheduling option */
.skip-scheduling-option {
    margin: 20px 0;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
    text-align: center;
}

.skip-scheduling-option .btn {
    margin-bottom: 8px;
}

.skip-note {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin: 0;
}

.summary-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 16px 0;
}

/* Package options */
.package-options {
    margin-top: 24px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: 12px;
    border: 2px dashed var(--gray-300);
}

.package-option-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.package-option-header p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.package-booking-mode {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.mode-btn {
    flex: 1;
    padding: 12px 16px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mode-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.mode-btn.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
}

.selected-slots-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.selected-slot-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 0.875rem;
}

.selected-slot-item .slot-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.selected-slot-item .slot-number {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.selected-slot-item .remove-slot {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
}

.selected-slot-item .remove-slot:hover {
    color: var(--danger);
}

/* Package slots in summary */
.summary-package-slots {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.summary-package-slots .summary-label {
    display: block;
    margin-bottom: 8px;
}

.package-slots-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.package-slot-summary {
    font-size: 0.8125rem;
    color: var(--gray-700);
    padding: 4px 0;
}

.package-slot-summary.remaining {
    color: var(--accent);
    font-style: italic;
}

.no-slots-selected {
    color: var(--gray-500);
    font-size: 0.875rem;
    text-align: center;
    padding: 16px;
}

/* Legacy booking summary (keep for compatibility) */
.booking-summary {
    margin-top: 40px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
}

.booking-summary h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.summary-details {
    margin-bottom: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.summary-row.total {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-900);
}

.summary-label {
    color: var(--gray-600);
}

.summary-value {
    color: var(--gray-900);
    font-weight: 500;
}

/* ==================== YOUR LESSONS PAGE ==================== */
.lessons-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* Auth Required State */
.lessons-auth-required {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-prompt {
    text-align: center;
    max-width: 400px;
}

.auth-prompt .material-icons {
    font-size: 80px;
    color: var(--gray-300);
    margin-bottom: 24px;
}

.auth-prompt h2 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-prompt p {
    color: var(--gray-600);
    margin-bottom: 24px;
}

.auth-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Student Stats */
.student-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card .material-icons {
    font-size: 40px;
    color: var(--primary);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-label {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Lessons Sections */
.lessons-section {
    margin-bottom: 40px;
}

.lessons-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.lessons-section-title .material-icons {
    color: var(--primary);
}

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.no-lessons {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 40px;
    text-align: center;
}

.no-lessons .material-icons {
    font-size: 48px;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.no-lessons p {
    color: var(--gray-500);
    margin-bottom: 16px;
}

/* Lesson Card */
.lesson-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lesson-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lesson-date-box {
    background: var(--primary);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 12px;
    text-align: center;
    min-width: 80px;
}

.lesson-month {
    font-size: 0.75rem;
    text-transform: uppercase;
    opacity: 0.9;
}

.lesson-day {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.lesson-details h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.lesson-time {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.lesson-time .material-icons {
    font-size: 16px;
}

.lesson-countdown {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--gray-100);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.lesson-actions {
    display: flex;
    gap: 12px;
}

.btn-join {
    background: var(--secondary);
    color: var(--white);
}

.btn-join:hover {
    background: #059669;
}

.btn-reschedule, .btn-cancel {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* Past Lesson Card */
.lesson-card.past {
    opacity: 0.8;
}

.lesson-card.past .lesson-date-box {
    background: var(--gray-400);
}

/* ==================== MODALS ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--card-radius);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gray-100);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.modal-content > p {
    color: var(--gray-600);
    margin-bottom: 24px;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Auth Modal */
.auth-modal-content {
    max-width: 400px;
}

.auth-form h2 {
    text-align: center;
}

.auth-form > p {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.btn-google {
    width: 100%;
    background: var(--white);
    border: 2px solid var(--gray-200);
    color: var(--gray-700);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all var(--transition);
}

.btn-google:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
}

.btn-google img {
    width: 20px;
    height: 20px;
}

.auth-switch {
    text-align: center;
    margin-top: 24px;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.auth-switch a {
    font-weight: 600;
}

/* Payment Modal */
.payment-modal-content {
    max-width: 500px;
}

.payment-summary {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.payment-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    gap: 16px;
}

.payment-summary-row > span:first-child {
    flex-shrink: 0;
    color: var(--gray-600);
}

.payment-summary-row > span:last-child {
    text-align: right;
}

/* When containing a list (for package dates) */
.payment-summary-row:has(.package-dates-list) {
    flex-direction: column;
    gap: 8px;
}

.payment-summary-row.total {
    border-top: 1px solid var(--gray-200);
    margin-top: 8px;
    padding-top: 16px;
    font-weight: 700;
    font-size: 1.125rem;
}

.payment-methods h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.payment-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.payment-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.payment-option:hover {
    border-color: var(--gray-400);
}

.payment-option.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.payment-option .material-icons {
    font-size: 32px;
    color: var(--gray-600);
}

.payment-option.active .material-icons {
    color: var(--primary);
}

.paypal-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.payment-form {
    margin-bottom: 24px;
}

.stripe-element,
.card-input {
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
}

.paypal-notice {
    text-align: center;
    color: var(--gray-600);
    padding: 20px;
}

.btn-pay {
    font-size: 1.125rem;
    padding: 16px 24px;
}

.payment-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 0.75rem;
    margin-top: 16px;
}

.payment-security .material-icons {
    font-size: 16px;
    color: var(--secondary);
}

/* Package dates list in payment modal */
.package-dates-list {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
}

.package-dates-list li {
    padding: 6px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9375rem;
}

.package-dates-list li:last-child {
    border-bottom: none;
}

.package-dates-list li.credits-remaining {
    color: var(--gray-500);
    font-style: italic;
}

.payment-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 16px 0;
    color: var(--gray-400);
    font-size: 0.875rem;
}

.payment-divider::before,
.payment-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--gray-200);
}

.payment-divider span {
    padding: 0 12px;
}

.payment-note {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.75rem;
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

/* Confirmation Modal */
.confirmation-modal-content {
    text-align: center;
    max-width: 450px;
}

.confirmation-icon {
    margin-bottom: 16px;
}

.confirmation-icon .material-icons {
    font-size: 80px;
    color: var(--secondary);
}

.confirmation-details {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 20px;
    margin: 24px 0;
}

.confirmation-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--gray-700);
}

.confirmation-row .material-icons {
    color: var(--primary);
}

.confirmation-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 16px;
}

.confirmation-note {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Cancel Modal */
.cancel-warning {
    text-align: center;
    margin-bottom: 16px;
}

.cancel-warning .material-icons {
    font-size: 64px;
    color: var(--danger);
}

.cancel-details {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 16px;
    margin: 16px 0;
}

.refund-notice {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.cancel-actions {
    display: flex;
    gap: 12px;
}

.cancel-actions .btn {
    flex: 1;
}

/* Success Message */
.success-icon {
    text-align: center;
    margin-bottom: 16px;
}

.success-icon .material-icons {
    font-size: 64px;
    color: var(--secondary);
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
    position: fixed;
    bottom: 90px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: var(--gray-900);
    color: var(--white);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    background: var(--secondary);
}

.toast.error {
    background: var(--danger);
}

.toast .material-icons {
    font-size: 24px;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-media {
        max-width: 260px;
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-description {
        max-width: none;
    }

    .hero-buttons {
        align-items: center;
    }

    .btn-message {
        justify-content: center;
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .app-promo-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .app-preview {
        order: -1;
    }

    .packages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .packages-grid .package-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        justify-self: center;
    }

    .scheduling-content {
        grid-template-columns: 1fr;
    }

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

    .scheduling-right {
        position: static;
        order: -1;
        margin-bottom: 24px;
    }

    .package-booking-mode {
        flex-direction: column;
    }

    .student-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links,
    .nav-auth {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .packages-grid {
        grid-template-columns: 1fr;
    }

    .packages-grid .package-card:last-child {
        max-width: none;
    }

    .lesson-type-toggle {
        flex-direction: column;
    }

    .toggle-btn {
        width: 100%;
    }

    .timeslots-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .student-stats {
        grid-template-columns: 1fr;
    }

    .lesson-card {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .lesson-info {
        flex-direction: column;
    }

    .lesson-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .modal-content {
        padding: 24px;
    }

    .payment-options {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cancel-actions,
    .confirmation-actions {
        flex-direction: column;
    }

    .toast-container {
        left: 24px;
    }

    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn-trial,
    .btn-full-lesson {
        max-width: none;
    }

    .app-screenshot {
        width: 100%;
        max-width: 280px;
    }

    .calendar-weekdays span {
        font-size: 0.625rem;
    }

    .timeslots-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== PHOTO WRAPPER (Replaces Video) ==================== */
.photo-wrapper {
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.tutor-photo {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--card-radius);
}

/* ==================== STAR ICON RATINGS ==================== */
.rating-stars {
    display: flex;
    align-items: center;
    gap: 2px;
}

.rating-star {
    width: 16px;
    height: 16px;
    display: inline-block;
}

.star-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 4px;
}

.stat-number .star-icon {
    width: 24px;
    height: 24px;
}

/* ==================== COMBINED ABOUT + TESTIMONIALS SECTION ==================== */
.about-testimonials {
    padding: var(--section-padding) 0;
    background: var(--white);
    border-top: 1px solid var(--gray-100);
}

.about-testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.section-title-left {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
    text-align: left;
}

.about-column {
    padding-right: 16px;
}

.about-content-expandable p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 16px;
    text-align: left;
    font-size: 1rem;
}

.about-hidden-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.about-hidden-content.show {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.show-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    padding: 6px 0;
    transition: color var(--transition-fast);
}

.show-more-btn:hover {
    color: var(--primary-dark);
}

.show-more-btn .material-icons {
    font-size: 18px;
    transition: transform var(--transition);
}

.show-more-btn.expanded .material-icons {
    transform: rotate(180deg);
}

/* Testimonials Column */
.testimonials-column {
    padding-left: 16px;
    border-left: 1px solid var(--gray-200);
}

.testimonials-vertical {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.testimonial-card-compact {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 14px 16px;
    transition: all var(--transition);
}

.testimonial-card-compact:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.testimonial-card-compact .testimonial-header {
    margin-bottom: 10px;
}

.testimonial-card-compact .student-avatar {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.testimonial-card-compact .testimonial-text {
    font-size: 0.9375rem;
    color: var(--gray-600);
    font-style: italic;
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .about-testimonials-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-column {
        padding-right: 0;
    }

    .testimonials-column {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--gray-200);
        padding-top: 40px;
    }

    .testimonials-vertical {
        max-height: none;
        overflow-y: visible;
    }
}

/* ==================== PACKAGE BUTTON IN HERO ==================== */
.btn-package-hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 20px;
    border-radius: 10px;
    text-align: left;
    min-width: 180px;
    flex: 1;
    background: linear-gradient(135deg, var(--accent) 0%, #ea580c 100%);
    color: var(--white);
    border: none;
    transition: all var(--transition);
}

.btn-package-hero:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-savings {
    background: rgba(255, 255, 255, 0.25);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 2px;
}

/* ==================== CREDITS SECTION ==================== */
.credits-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.credits-display {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.credits-label {
    font-weight: 500;
    color: var(--gray-600);
    font-size: 1rem;
}

.credits-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.credits-text {
    color: var(--gray-500);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .credits-section {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .credits-display {
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
}

/* ==================== PAYMENT CONTACT INFO ==================== */
.payment-contact-info {
    text-align: center;
    padding: 32px 24px;
}

.payment-contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.payment-contact-info p {
    color: var(--gray-600);
    margin-bottom: 12px;
    line-height: 1.6;
}

.payment-contact-info a {
    color: var(--primary);
    font-weight: 600;
}

.payment-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gray-100);
    padding: 12px 20px;
    border-radius: 8px;
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: 24px;
}

.payment-notice .material-icons {
    color: var(--primary);
    font-size: 20px;
}

.coming-soon-notice {
    color: var(--secondary);
    font-weight: 500;
    font-style: italic;
}

/* ==================== COMING SOON BADGE ==================== */
.app-badge.coming-soon {
    background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%);
}

/* ==================== FEATURE BULLETS ==================== */
.feature-bullet {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.feature-bullet:last-child {
    border-bottom: none;
}

.feature-bullet::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 8px;
}

.feature-bullet span {
    color: var(--gray-700);
    line-height: 1.5;
}

/* ==================== BOOKING POLICY ==================== */
.booking-policy {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 16px;
    margin-top: 20px;
    font-size: 0.8125rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.booking-policy strong {
    color: var(--gray-700);
}

.payment-reminder {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.payment-reminder .material-icons {
    color: var(--accent);
    font-size: 20px;
    flex-shrink: 0;
}

/* ==================== 5-CARD TESTIMONIALS GRID ==================== */
@media (min-width: 1025px) {
    .testimonials-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
    }

    .testimonial-card {
        padding: 20px;
    }

    .student-avatar {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .testimonial-header {
        gap: 12px;
        margin-bottom: 12px;
    }

    .testimonial-text {
        font-size: 0.875rem;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials-grid .testimonial-card:nth-child(4),
    .testimonials-grid .testimonial-card:nth-child(5) {
        grid-column: span 1;
    }
}

/* ==================== LESSON STATUS BADGES ==================== */
.lesson-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.lesson-status.confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary);
}

.lesson-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
}

.lesson-status.completed {
    background: var(--gray-100);
    color: var(--gray-500);
}

.lesson-status.cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* ==================== FLOATING LIBRO DE RECLAMACIONES ==================== */
.libro-floating-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--primary);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition);
}

.libro-floating-btn:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.libro-floating-btn .material-icons {
    font-size: 24px;
}

.libro-floating-text {
    display: inline;
}

@media (max-width: 768px) {
    .libro-floating-btn {
        padding: 12px;
        border-radius: 50%;
    }

    .libro-floating-text {
        display: none;
    }
}

/* ==================== FOOTER ==================== */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer-contact .material-icons {
    color: var(--primary-light);
    font-size: 20px;
}

.footer-contact a {
    color: var(--gray-300);
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-300);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

.libro-reclamaciones-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--gray-800);
    border-radius: 12px;
    border: 2px solid var(--gray-700);
    transition: all var(--transition);
    text-decoration: none;
}

.libro-reclamaciones-link:hover {
    border-color: var(--primary);
    background: var(--gray-700);
}

.libro-icon-placeholder {
    display: none;
}

.libro-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
}

.libro-icon .material-icons {
    font-size: 32px;
    color: var(--primary-light);
}

.footer-note {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 12px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-secure {
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-secure .material-icons {
    font-size: 16px;
    color: var(--secondary);
}

/* ==================== LEGAL PAGES ==================== */
.legal-page {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 2000;
    overflow-y: auto;
}

.legal-page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px 80px;
    position: relative;
}

.legal-close {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--gray-100);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    z-index: 2001;
}

.legal-close:hover {
    background: var(--gray-200);
}

.legal-close .material-icons {
    font-size: 24px;
    color: var(--gray-700);
}

.legal-page h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 8px;
    padding-right: 60px;
}

.legal-updated {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

.legal-section {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.legal-section:last-of-type {
    border-bottom: none;
}

.legal-section h2 {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.legal-section p {
    margin-bottom: 12px;
    line-height: 1.7;
}

.legal-section ul {
    margin-left: 24px;
    margin-bottom: 12px;
}

.legal-section li {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ==================== LIBRO DE RECLAMACIONES FORM ==================== */
.complaints-content {
    max-width: 800px;
}

.complaints-header {
    text-align: center;
    margin-bottom: 32px;
}

.complaints-header h1 {
    padding-right: 0;
}

.complaints-subtitle {
    color: var(--gray-600);
    font-size: 1rem;
}

.provider-info {
    background: var(--gray-50);
    padding: 20px 24px;
    border-radius: 12px;
    margin-bottom: 32px;
    border-left: 4px solid var(--primary);
}

.provider-info h3 {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.provider-info p {
    margin-bottom: 4px;
    font-size: 0.9375rem;
}

.form-section {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--gray-200);
}

.form-section h3 {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

.form-row {
    margin-bottom: 16px;
}

.form-row.two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group .label-english {
    font-weight: 400;
    color: var(--gray-500);
    font-size: 0.8125rem;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all var(--transition);
}

.radio-label:hover {
    background: var(--gray-100);
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.radio-label input[type="radio"]:checked + strong {
    color: var(--primary);
}

.radio-description {
    display: block;
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-label span {
    font-size: 0.9375rem;
    line-height: 1.5;
}

.complaints-notes {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 12px;
    padding: 20px 24px;
    margin: 24px 0;
}

.complaints-notes p {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.complaints-notes ul {
    margin: 0;
    padding-left: 20px;
}

.complaints-notes li {
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-bottom: 8px;
    line-height: 1.5;
}

#complaint-success {
    text-align: center;
    padding: 40px 24px;
}

#complaint-success h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.complaint-number {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 24px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
}

.complaint-number strong {
    color: var(--primary);
    font-family: monospace;
    font-size: 1.25rem;
}

#complaint-success p {
    margin-bottom: 12px;
    color: var(--gray-600);
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .legal-page-content {
        padding: 24px 16px 60px;
    }

    .legal-page h1 {
        font-size: 1.5rem;
        padding-right: 48px;
    }

    .legal-close {
        top: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }

    .form-row.two-cols {
        grid-template-columns: 1fr;
    }

    .complaints-header h1 {
        font-size: 1.5rem;
    }
}