/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #374151;
    background-color: #F5F5F5;
}

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

/* Design System Variables */
:root {
    /* Colors */
    --primary-yellow: #FFF6D6;
    --secondary-mint: #D6F7F0;
    --tertiary-lavender: #F0D6F7;
    --success-green: #D6F7D6;
    --ui-success: #10B981;
    --ui-warning: #F59E0B;
    
    /* Neutrals */
    --white: #FFFFFF;
    --light-gray: #FAFAFA;
    --medium-gray: #8B949E;
    --dark-gray: #2D3748;
    --black: #1A1A1A;
    
    /* Spacing Scale */
    --space-xs: 4px;
    --space-s: 8px;
    --space-m: 16px;
    --space-l: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
    --space-xxxl: 64px;
    
    /* Typography */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 24px;
    --text-xl: 32px;
    --text-xxl: 48px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-gray);
    margin-bottom: var(--space-m);
}

h1 {
    font-size: var(--text-xxl);
    font-weight: 700;
    color: var(--black);
}

h2 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-gray);
}

h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--dark-gray);
}

p {
    margin-bottom: var(--space-m);
    color: var(--dark-gray);
    font-size: var(--text-base);
    line-height: 1.6;
}

.text-secondary {
    color: var(--medium-gray);
}

.text-small {
    font-size: var(--text-sm);
    color: var(--medium-gray);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-s);
    padding: var(--space-m) var(--space-l);
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all 200ms ease-in-out;
    cursor: pointer;
    line-height: 1;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--dark-gray);
    color: var(--white);
    border: 2px solid var(--dark-gray);
}

.btn-primary:hover {
    background-color: var(--black);
    border-color: var(--black);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: var(--primary-yellow);
    color: var(--dark-gray);
    border: 2px solid var(--primary-yellow);
}

.btn-secondary:hover {
    background-color: #FFF2B8;
    border-color: #FFF2B8;
    transform: translateY(-1px);
}

.btn-outline {
    background: var(--white);
    color: var(--dark-gray);
    border: 2px solid var(--medium-gray);
}

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

.btn-large {
    padding: var(--space-l) var(--space-xl);
    font-size: var(--text-base);
}

/* Card Design */
.card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: var(--space-l);
    transition: all 200ms ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Header */
.header {
    background: 0;
    border: none;
    box-shadow: none;
    backdrop-filter: blur(30px);

    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    height: 80px;
    transition: all 0.3s ease;
}

.nav {
    height: 80px;
    display: flex;
    align-items: center;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-l);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.nav-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--black);
    transition: transform 0.2s ease;
}

.nav-logo a:hover {
    transform: scale(1.05);
}

.nav-logo img {
    height: 36px;
    width: auto;
    margin-right: var(--space-s);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-l);
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 600;
    font-size: 15px;
    transition: all 200ms ease-in-out;
    padding: var(--space-s) var(--space-s);
    border-radius: 6px;
    position: relative;
}

.nav-menu a:hover {
    color: var(--black);
    background: rgba(232, 245, 184, 0.1);
    transform: translateY(-1px);
}

.nav-cta {
    margin-left: var(--space-m);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: var(--space-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--space-xxl)) 0 var(--space-xxl);
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    overflow: hidden;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    align-items: start;
    gap: var(--space-xxl);
    margin-bottom: var(--space-xxl);
}

.hero-main {
    position: sticky;
    top: 140px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-s);
    background: linear-gradient(135deg, var(--primary-yellow), #f0e68c);
    color: var(--dark-gray);
    padding: var(--space-s) var(--space-l);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--space-l);
    box-shadow: 0 4px 12px rgba(232, 245, 184, 0.3);
}

.hero-badge i {
    color: #f59e0b;
}

.hero-main h1 {
    margin-bottom: var(--space-l);
    font-size: 72px;
    line-height: 1.1;
    color: var(--black);
    font-weight: 700;
}

.hero-main h1 .highlight {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-m);
    margin-bottom: var(--space-l);
}

.hero-features .feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-m);
    padding: var(--space-s) 0;
}

.hero-features .feature-icon {
    font-size: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 245, 184, 0.2);
    border-radius: 8px;
    flex-shrink: 0;
}

.hero-features span {
    font-size: 16px;
    color: var(--dark-gray);
    font-weight: 500;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: var(--space-xl);
    color: var(--dark-gray);
    line-height: 1.6;
    max-width: 600px;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: var(--space-m);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.hero-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-l);
    position: relative;
}

.hero-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--space-xl);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 300ms ease-in-out;
    position: relative;
    overflow: hidden;
    min-height: 180px;
    contain: layout;
}

.hero-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 20px 20px 0 0;
}

.hero-card.yellow::before {
    background: var(--primary-yellow);
}

.hero-card.mint::before {
    background: var(--secondary-mint);
}

.hero-card.lavender::before {
    background: var(--tertiary-lavender);
}

.hero-card.success::before {
    background: var(--success-green);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-m);
    margin-bottom: var(--space-l);
}

.card-header i {
    font-size: 20px;
    color: var(--dark-gray);
}

.card-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--black);
    margin: 0;
}

/* Make both cards consistent in header styling */
.hero-card .card-header {
    margin-bottom: var(--space-m);
    gap: var(--space-s);
}

.hero-card .card-header h3 {
    font-size: var(--text-base);
    line-height: 1.3;
    font-weight: 600;
}

.hero-card .card-header i {
    font-size: 20px;
}

/* Make both cards consistent in description styling */
.hero-card .card-content > p,
.hero-card .expertise-subtitle {
    font-size: 14px;
    color: var(--medium-gray);
    margin-bottom: var(--space-m);
    font-weight: 500;
    line-height: 1.4;
}

.card-content p {
    color: var(--medium-gray);
    font-size: var(--text-sm);
    margin-bottom: var(--space-m);
}

/* Feature Card Styles */
.progress-demo {
    background: var(--light-gray);
    border-radius: 12px;
    padding: var(--space-m);
    margin-top: var(--space-m);
    position: relative;
}

.audio-wave {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-bottom: var(--space-s);
}

.audio-wave span {
    width: 3px;
    background: var(--dark-gray);
    border-radius: 2px;
    animation: audioWave 1.5s infinite ease-in-out;
}

.audio-wave span:nth-child(1) { height: 8px; animation-delay: 0s; }
.audio-wave span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.audio-wave span:nth-child(3) { height: 12px; animation-delay: 0.2s; }
.audio-wave span:nth-child(4) { height: 20px; animation-delay: 0.3s; }
.audio-wave span:nth-child(5) { height: 10px; animation-delay: 0.4s; }

@keyframes audioWave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.5); }
}

.demo-text {
    font-size: var(--text-xs);
    color: var(--dark-gray);
    margin: 0;
    font-style: italic;
    line-height: 1.25;
    display: block;
    position: relative;
    overflow: hidden;
}

/* Fallback for when JavaScript is disabled */
.demo-text:empty::after {
    content: "Finally, a tutor who understands how my son learns best. His grades improved within weeks!";
    color: var(--dark-gray);
    font-style: italic;
    display: block;
    line-height: inherit;
}

/* Stats Card Styles */
.current-level {
    margin-bottom: var(--space-l);
}

.level-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--secondary-mint);
    padding: var(--space-xs) var(--space-s);
    border-radius: 20px;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--space-xs);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-m);
}

.stat {
    text-align: center;
}

.stat-icon {
    font-size: 16px;
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--medium-gray);
}

/* Expertise Card Styles - handled by hero-card general styling above */

.expertise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-s);
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: var(--space-s);
    padding: var(--space-s);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    backdrop-filter: blur(10px);
}

.expertise-content {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.expertise-icon {
    font-size: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

.expertise-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1px;
    line-height: 1.2;
}

.expertise-item .expertise-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.2;
}

/* Calendar Card Styles */
.mini-calendar {
    font-size: var(--text-xs);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-m);
}

.calendar-header .month {
    font-weight: 600;
    color: var(--black);
}

.nav-btn {
    background: none;
    border: none;
    font-size: 16px;
    color: var(--medium-gray);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 4px;
    transition: all 200ms ease-in-out;
}

.nav-btn:hover {
    background: var(--light-gray);
    color: var(--dark-gray);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.day-header {
    text-align: center;
    font-weight: 600;
    color: var(--medium-gray);
    padding: var(--space-xs);
    font-size: 10px;
}

.day {
    text-align: center;
    padding: var(--space-xs);
    border-radius: 4px;
    transition: all 200ms ease-in-out;
    cursor: pointer;
    color: var(--dark-gray);
}

.day:hover {
    background: var(--light-gray);
}

.day.active {
    background: var(--dark-gray);
    color: var(--white);
}

/* Leaderboard Card Styles */
.leaderboard {
    display: flex;
    flex-direction: column;
    gap: var(--space-m);
}

.leader-item {
    display: flex;
    align-items: center;
    gap: var(--space-m);
}

.leader-avatar {
    position: relative;
    width: 40px;
    height: 40px;
}

.leader-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.rank-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 12px;
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.leader-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.leader-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--black);
}

.leader-score {
    font-size: var(--text-xs);
    color: var(--medium-gray);
}

/* Scroll Hint */
.hero-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-s);
    margin-top: var(--space-xxl);
    color: var(--medium-gray);
    font-size: var(--text-sm);
    animation: bounce 2s infinite;
}

.hero-scroll-hint i {
    font-size: 16px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xxxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: var(--space-m);
    color: var(--black);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
}

.section-header p {
    color: var(--dark-gray);
    font-size: 18px;
    font-weight: 500;
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: var(--space-xxxl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-l);
    margin-top: var(--space-xxxl);
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: var(--space-xl);
    text-align: left;
    transition: all 300ms ease-in-out;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-yellow);
}

.service-card:nth-child(1) .service-icon {
    background: var(--primary-yellow);
}

.service-card:nth-child(2) .service-icon {
    background: var(--secondary-mint);
}

.service-card:nth-child(3) .service-icon {
    background: var(--tertiary-lavender);
}

.service-card:nth-child(4) .service-icon {
    background: #d4e6ff;
}

.service-card:nth-child(5) .service-icon {
    background: #F7D6D6;
}

.service-card:nth-child(6) .service-icon {
    background: #E5E2C5;
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-l);
    transition: all 200ms ease-in-out;
}

.service-icon i {
    font-size: 24px;
    color: var(--dark-gray);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    margin-bottom: var(--space-m);
    color: var(--black);
    font-size: var(--text-lg);
}

.service-card p {
    margin-bottom: var(--space-l);
    color: var(--dark-gray);
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    margin-bottom: var(--space-l);
    padding: 0;
}

.service-card ul li {
    padding: var(--space-s) 0;
    color: var(--dark-gray);
    font-size: var(--text-sm);
    position: relative;
    padding-left: var(--space-l);
}

.service-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--ui-success);
    font-weight: 600;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-s);
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all 200ms ease-in-out;
}

.service-link:hover {
    color: var(--black);
    gap: var(--space-m);
}

/* About Section - First Part: Introduction */
.about-intro {
    padding: var(--space-xxxl) 0;
    background: var(--light-gray);
}

.about-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxxl);
    align-items: center;
}

.about-logo {
    margin-bottom: var(--space-xl);
    text-align: center;
    display: flex;
    justify-content: center;
}

.about-logo img {
    height: 60px;
    width: auto;
}

.about-story p {
    margin-bottom: var(--space-l);
    font-size: var(--text-base);
    line-height: 1.7;
}

.about-image {
    display: flex;
    justify-content: center;
    position: relative;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.about-badge {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-mint));
    color: var(--dark-gray);
    padding: var(--space-s) var(--space-m);
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* About Section - Second Part: Features */
.about-features-section {
    padding: var(--space-xxxl) 0;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.about-features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(232, 245, 184, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(184, 245, 219, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: var(--space-xl);
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(40px);
    animation: slideInUp 0.8s ease-out forwards;
}

.feature-card[data-animation-delay="100"] {
    animation-delay: 0.1s;
}

.feature-card[data-animation-delay="200"] {
    animation-delay: 0.2s;
}

.feature-card[data-animation-delay="300"] {
    animation-delay: 0.3s;
}

.feature-card[data-animation-delay="400"] {
    animation-delay: 0.4s;
}

.feature-card[data-animation-delay="500"] {
    animation-delay: 0.5s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.95);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-l);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--dark-gray);
    position: relative;
    transition: all 0.4s ease;
}

.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.feature-card:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.feature-card:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card h3 {
    margin: 0 0 var(--space-m) 0;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--black);
    line-height: 1.3;
}

.feature-card p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--medium-gray);
    line-height: 1.6;
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Teachers Section */
.teachers {
    padding: var(--space-xxxl) 0;
    background: var(--white);
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xxxl);
}

.teacher-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: var(--space-xl);
    text-align: center;
    transition: all 200ms ease-in-out;
}

.teacher-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.teacher-image {
    margin-bottom: var(--space-l);
}

.teacher-image img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-yellow);
}

.teacher-info h3 {
    margin-bottom: var(--space-s);
    color: var(--black);
}

.teacher-subject {
    color: var(--medium-gray);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-m);
}

.teacher-qualification {
    background: var(--light-gray);
    padding: var(--space-s) var(--space-m);
    border-radius: 8px;
    font-size: var(--text-xs);
    color: var(--dark-gray);
    margin-bottom: var(--space-m);
}

.teacher-experience {
    display: flex;
    justify-content: center;
    gap: var(--space-m);
    font-size: var(--text-sm);
}

.teacher-experience span {
    color: var(--medium-gray);
}

.teachers-cta {
    text-align: center;
    margin-top: var(--space-xxxl);
}

/* Testimonials Section */
.testimonials {
    padding: var(--space-xxxl) 0;
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-l);
    margin-top: var(--space-xxxl);
}

.testimonial-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: var(--space-xl);
    transition: all 200ms ease-in-out;
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.testimonial-content {
    margin-bottom: var(--space-l);
}

.stars {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-m);
}

.stars i {
    color: var(--ui-warning);
    font-size: var(--text-sm);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.6;
    color: var(--dark-gray);
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-m);
}

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-yellow);
}

.testimonial-author h4 {
    margin: 0 0 var(--space-xs) 0;
    font-size: var(--text-sm);
    font-weight: 600;
}

.testimonial-author span {
    font-size: var(--text-xs);
    color: var(--medium-gray);
}

.testimonials-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xxxl);
    text-align: center;
}

.stat-item {
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 0.8s ease-out forwards;
    transition: all 0.3s ease;
    padding: var(--space-l);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item[data-animation-delay="200"] {
    animation-delay: 0.2s;
}

.stat-item[data-animation-delay="400"] {
    animation-delay: 0.4s;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-m);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--dark-gray);
    transition: all 0.3s ease;
    position: relative;
}

.stat-item:nth-child(1) .stat-icon {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
}

.stat-item:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, #c7f0db, #a7e9ca);
}

.stat-item:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, #a78bfa, #8b5cf6);
}

.stat-item:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-item strong {
    display: block;
    font-size: var(--text-xxl);
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--space-xs);
    line-height: 1.2;
}

.stat-item span {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    font-weight: 500;
}

/* Pricing Section */
.pricing {
    padding: var(--space-xxxl) 0;
    background: var(--white);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xxxl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    transition: all 200ms ease-in-out;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border-color: var(--primary-yellow);
    background: linear-gradient(135deg, var(--white) 0%, #fdfdf0 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-yellow);
    color: var(--dark-gray);
    padding: var(--space-s) var(--space-l);
    border-radius: 20px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pricing-header {
    margin-bottom: var(--space-xl);
}

.pricing-header h3 {
    margin-bottom: var(--space-m);
    color: var(--black);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-l);
}

.currency {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--dark-gray);
}

.amount {
    font-size: var(--text-xxl);
    font-weight: 700;
    color: var(--black);
}

.period {
    font-size: var(--text-sm);
    color: var(--medium-gray);
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: var(--space-m) 0;
    color: var(--dark-gray);
    font-size: var(--text-sm);
    position: relative;
    border-bottom: 1px solid var(--light-gray);
}

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



/* Pricing Button */
.btn-pricing {
    width: 100%;
    padding: var(--space-m) var(--space-l);
    border-radius: 8px;
    font-weight: 600;
    font-size: var(--text-base);
}

/* Calculator Card */
.calculator-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #0ea5e9;
}

.calculator-subtitle {
    color: var(--medium-gray);
    font-size: var(--text-sm);
    margin-bottom: var(--space-l);
}

.calculator-form {
    text-align: left;
}

.calculator-form .form-group {
    margin-bottom: var(--space-m);
}

.calculator-form label {
    display: block;
    margin-bottom: var(--space-s);
    font-weight: 500;
    color: var(--dark-gray);
    font-size: var(--text-sm);
}

.calculator-form select {
    width: 100%;
    padding: var(--space-m);
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: var(--text-sm);
    color: var(--dark-gray);
    background: var(--white);
}

.calculator-form select:focus {
    outline: none;
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.calculator-form input[type="checkbox"] {
    margin-right: var(--space-s);
    transform: scale(1.2);
}

.calculator-result {
    background: var(--white);
    border-radius: 8px;
    padding: var(--space-m);
    margin-top: var(--space-l);
    border: 1px solid #e5e7eb;
}

.result-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-s);
}

.result-label {
    font-weight: 500;
    color: var(--dark-gray);
}

.result-amount {
    font-size: var(--text-lg);
    font-weight: 700;
    color: #0ea5e9;
}

.result-breakdown {
    font-size: var(--text-xs);
    color: var(--medium-gray);
    line-height: 1.4;
}

#calc-book-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Pricing Info Section */
.pricing-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xxxl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.info-item {
    background: var(--light-gray);
    border-radius: 12px;
    padding: var(--space-l);
    display: flex;
    align-items: flex-start;
    gap: var(--space-m);
    text-align: left;
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ui-success);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
}

.info-item:nth-child(2) .info-icon {
    background: var(--ui-warning);
}

.info-content h4 {
    margin: 0 0 var(--space-xs) 0;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--black);
}

.info-content p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--medium-gray);
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    padding: var(--space-xxxl) 0;
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--secondary-mint) 100%);
    text-align: center;
}

.cta-content h2 {
    margin-bottom: var(--space-m);
    color: var(--black);
    font-size: var(--text-xl);
}

.cta-content p {
    margin-bottom: var(--space-xl);
    color: var(--dark-gray);
    font-size: var(--text-base);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-m);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.cta-features .feature {
    display: flex;
    align-items: center;
    gap: var(--space-s);
}

.cta-features .feature i {
    color: var(--ui-success);
    font-size: 16px;
}

.cta-features .feature span {
    font-size: var(--text-sm);
    color: var(--dark-gray);
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 246, 214, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(214, 247, 240, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

/* Contact Info Card */
.contact-info-card {
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #FFF6D6 0%, #F0D6F7 100%);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 24px;
}

.contact-badge i {
    color: #e91e63;
    font-size: 12px;
}

.contact-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-subtitle {
    font-size: 18px;
    color: var(--medium-gray);
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: rgba(248, 250, 252, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    background: white;
}

.contact-icon-wrapper {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--secondary-mint) 0%, var(--primary-yellow) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon-wrapper i {
    color: var(--dark-gray);
    font-size: 18px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 14px;
    color: var(--medium-gray);
    font-weight: 500;
}

.contact-value {
    font-size: 16px;
    color: var(--dark-gray);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: var(--black);
}

/* Decorative Elements */
.contact-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.circle-1 {
    width: 120px;
    height: 120px;
    background: var(--primary-yellow);
    top: -60px;
    right: -60px;
}

.circle-2 {
    width: 80px;
    height: 80px;
    background: var(--secondary-mint);
    bottom: 60px;
    right: 40px;
}

.circle-3 {
    width: 40px;
    height: 40px;
    background: var(--tertiary-lavender);
    bottom: 120px;
    right: -20px;
}

/* Contact Form Card */
.contact-form-card {
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.1),
        0 4px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.modern-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-gray);
    margin: 0;
}

.optional {
    color: var(--medium-gray);
    font-weight: 400;
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
    color: var(--dark-gray);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.form-field textarea {
    resize: vertical;
    min-height: 120px;
}

/* Custom Checkboxes for Subjects */
.subjects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.subject-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.subject-checkbox:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.subject-checkbox input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.subject-checkbox input[type="checkbox"]:checked + .checkmark {
    background: #3b82f6;
    border-color: #3b82f6;
}

.subject-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.subject-checkbox input[type="checkbox"]:checked ~ .subject-label {
    color: #3b82f6;
    font-weight: 600;
}

.subject-label {
    font-size: 14px;
    color: var(--dark-gray);
    transition: all 0.3s ease;
}

/* Submit Button */
.submit-btn {
    /* background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); */
    color: white;
    border: none;
    border-radius: 12px;
    padding: 18px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 8px;
    /* box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3); */
}

.submit-btn:hover {
    transform: translateY(-2px);
    /* box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4); */
    /* background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); */
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.submit-btn:hover .btn-icon {
    transform: translateX(2px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-m);
    margin-bottom: var(--space-m);
}

.form-group {
    margin-bottom: var(--space-m);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-s);
    font-weight: 500;
    color: var(--dark-gray);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-m);
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: var(--text-sm);
    transition: border-color 200ms ease-in-out;
    background: var(--white);
    color: var(--dark-gray);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 3px rgba(232, 245, 184, 0.2);
}

.form-group small {
    display: block;
    margin-top: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--medium-gray);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-s);
    margin: var(--space-l) 0;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--white);
    border-top: 1px solid #e5e7eb;
    padding: 64px 0 32px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-logo h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--black);
    margin: 0;
}

.footer-description {
    font-size: 16px;
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 32px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dark-gray);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--black);
}

.contact-link i {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--secondary-mint) 100%);
    border-radius: 6px;
    color: var(--dark-gray);
    font-size: 12px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-column ul li a {
    color: var(--medium-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--dark-gray);
}

.trial-link {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--secondary-mint) 100%);
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--dark-gray) !important;
    font-weight: 600 !important;
    transition: transform 0.3s ease !important;
}

.trial-link:hover {
    transform: translateY(-1px);
    color: var(--black) !important;
}

.footer-bottom {
    border-top: 1px solid #e5e7eb;
    padding-top: 32px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.copyright {
    font-size: 14px;
    color: var(--medium-gray);
    margin: 0;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-yellow);
    border-color: var(--primary-yellow);
    color: var(--dark-gray);
    transform: translateY(-1px);
}

.legal-links {
    display: flex;
    gap: 24px;
}

.legal-links a {
    color: var(--medium-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: var(--dark-gray);
}

.legal-links {
    display: flex;
    gap: var(--space-l);
}

.legal-links a {
    color: var(--medium-gray);
    text-decoration: none;
    font-size: var(--text-xs);
    transition: color 200ms ease-in-out;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.modal.show,
.modal:target {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.modal-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
    pointer-events: none;
}

.modal-content {
    background: white;
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
    pointer-events: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
    color: var(--dark-gray);
    transform: scale(1.1);
}

.modal-header {
    padding: 32px 32px 16px;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px 20px 0 0;
    position: relative;
}

.modal-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--secondary-mint) 100%);
    padding: 8px 8px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.modal-badge i {
    font-size: 12px;
    color: #e91e63;
}

.modal-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 12px 0;
    line-height: 1.2;
}

.modal-subtitle {
    font-size: 16px;
    color: var(--medium-gray);
    margin: 0 0 12px 0;
    line-height: 1.5;
}

.modal-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--dark-gray);
    font-weight: 500;
}

.benefit-item i {
    color: var(--ui-success);
    font-size: 16px;
}

.modal-body {
    padding: 24px 32px 24px;
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    margin: 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #f1f5f9;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 8px 0;
}

.form-field label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-gray);
    margin: 0;
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
    color: var(--dark-gray);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.subject-selection {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.subject-option {
    cursor: pointer;
}

.subject-option input[type="radio"] {
    display: none;
}

.option-card {
    padding: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    background: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.option-card i {
    font-size: 24px;
    color: var(--medium-gray);
    transition: color 0.3s ease;
}

.option-card span {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-gray);
}

.subject-option:hover .option-card {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.subject-option input[type="radio"]:checked + .option-card {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
}

.subject-option input[type="radio"]:checked + .option-card i {
    color: #3b82f6;
}

.subject-option input[type="radio"]:checked + .option-card span {
    color: #3b82f6;
    font-weight: 600;
}

.form-actions {
    text-align: center;
    padding-top: 8px;
}

.booking-submit-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 18px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
    margin-bottom: 16px;
    width: 100%;
    justify-content: center;
}

.booking-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.booking-submit-btn:active {
    transform: translateY(0);
}

.form-disclaimer {
    font-size: 14px;
    color: var(--medium-gray);
    margin: 0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-l);
    }
    
    .nav-container {
        padding: 0 var(--space-m);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .hero-main {
        position: static;
        order: 1;
    }
    
    .hero-main h1 {
        font-size: 48px;
    }
    
    .hero-cards {
        order: 2;
        grid-template-columns: 1fr;
        gap: var(--space-m);
    }
    
    .about-intro-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact {
        padding: 80px 0;
    }
    
    .contact-info-card,
    .contact-form-card {
        padding: 32px;
    }
    
    .contact-title {
        font-size: 28px;
    }
    
    .contact-subtitle {
        font-size: 16px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .subjects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .modal-header {
        padding: 32px 24px 24px;
    }
    
    .modal-body {
        padding: 24px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .subject-selection {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .modal-benefits {
        display: none;
    }
    
    .about-image {
        order: 1;
    }
    
    .about-intro-text {
        order: 2;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-l);
    }
    
    .cta-features {
        justify-content: flex-start;
    }
    
    .testimonials-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-l);
    }
    
    .stat-item {
        padding: var(--space-m);
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-m);
    }
    
    .nav-container {
        padding: 0 var(--space-m);
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-m) var(--space-l);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-menu li {
        margin-bottom: var(--space-s);
    }
    
    .nav-menu li:last-child {
        margin-bottom: 0;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--space-m);
        font-size: 16px;
        border-radius: 8px;
        text-align: center;
    }
    
    .nav-cta {
        display: block;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-main h1 {
        font-size: 36px;
    }

    .hero-badge {
        font-size: 13px;
        padding: var(--space-xs) var(--space-m);
    }

    .hero-features .feature-item {
        gap: var(--space-s);
    }

    .hero-features .feature-icon {
        width: 28px;
        height: 28px;
        font-size: 18px;
    }

    .hero-features span {
        font-size: 15px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cards {
        grid-template-columns: 1fr;
        gap: var(--space-m);
    }
    
    .hero-card {
        padding: var(--space-m);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-s);
    }
    
    .calendar-grid {
        gap: 1px;
    }
    
    .day, .day-header {
        font-size: 10px;
        padding: 4px;
    }
    
        .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-m);
    }
    
    .feature-card {
        padding: var(--space-l);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-features {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: var(--space-l);
        margin-top: var(--space-l);
    }

    .pricing-info {
        grid-template-columns: 1fr;
        gap: var(--space-l);
        margin-top: var(--space-l);
    }

    .info-item {
        padding: var(--space-m);
    }

    .calculator-form select {
        padding: var(--space-s) var(--space-m);
        font-size: var(--text-sm);
    }

    .result-display {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-s);
    }

    .result-amount {
        font-size: var(--text-xl);
    }
    
    .testimonials-stats {
        grid-template-columns: 1fr;
        gap: var(--space-m);
    }
    
    .stat-item {
        padding: var(--space-m);
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
        margin-bottom: var(--space-s);
    }
    
    .footer-legal {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-m);
    }
    
    .nav-container {
        padding: 0 var(--space-m);
    }
    
    .hero-main h1 {
        font-size: 32px;
    }
    
    .cta-content h2 {
        font-size: var(--text-lg);
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--space-l);
    }
    
    .contact {
        padding: 60px 0;
    }
    
    .contact-info-card,
    .contact-form-card {
        padding: 24px;
        border-radius: 16px;
    }
    
    .contact-title {
        font-size: 24px;
    }
    
    .contact-subtitle {
        font-size: 15px;
    }
    
    .contact-method {
        padding: 16px;
    }
    
    .contact-icon-wrapper {
        width: 40px;
        height: 40px;
    }
    
    .contact-icon-wrapper i {
        font-size: 16px;
    }
    
    .submit-btn {
        padding: 16px 24px;
        font-size: 15px;
    }
    
    .footer {
        padding: 48px 0 24px;
    }
    
    .footer-main {
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-contact {
        gap: 12px;
    }
    
    .contact-link {
        font-size: 15px;
    }
    
    .modal-container {
        padding: 10px;
    }
    
    .modal-content {
        max-width: 100%;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 24px 20px 20px;
    }
    
    .modal-header h2 {
        font-size: 24px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .subject-selection {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .option-card {
        padding: 16px;
    }
    
    .booking-submit-btn {
        padding: 16px 24px;
        font-size: 15px;
    }
}