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

:root {
    /* Color Palette - Orange/Yellow Theme */
    --primary-color: #FF9500;
    --primary-dark: #E68600;
    --primary-light: #FFB347;
    --secondary-color: #FFD700;
    --accent-color: #FFA500;
    
    --text-dark: #1a1a1a;
    --text-light: #666;
    --text-white: #ffffff;
    
    --bg-light: #FFF8F0;
    --bg-white: #ffffff;
    --bg-dark: #2a2a2a;
    
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #FF9500 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(255, 149, 0, 0.9) 0%, rgba(255, 215, 0, 0.8) 100%);
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-primary: 0 8px 24px rgba(255, 149, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ========================================
   Header & Navigation
======================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.navbar {
    padding: 20px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
}

.logo .tagline {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.btn-contact {
    background: var(--gradient-primary);
    color: var(--text-white) !important;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: var(--shadow-primary);
}

.btn-contact::after {
    display: none;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 149, 0, 0.4);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    margin-top: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #FFF8F0 0%, #FFE8CC 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient-overlay);
    opacity: 0.05;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
}

.hero-content {
    flex: 1;
    padding-right: 60px;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(255, 149, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.hero-image {
    flex: 0 0 500px;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--bg-white);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--gradient-primary);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% {
        opacity: 0;
        transform: translateY(-20px);
    }
    50% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Introduction Section
======================================== */
.intro-section {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.intro-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-smooth);
}

.intro-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.intro-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--text-white);
}

.intro-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.intro-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

/* ========================================
   Section Headers (共通)
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-description {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   About Section
======================================== */
.about-section {
    padding: var(--section-padding);
    background: var(--bg-white);
}

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

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    display: block;
}

.about-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 30px;
    color: var(--text-white);
}

.instructor-name {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.instructor-nickname {
    font-size: 16px;
    opacity: 0.9;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 700;
}

.about-text h4 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.about-description {
    font-size: 16px;
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.about-features {
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--text-dark);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 20px;
}

.about-video {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.about-video h5 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.about-video h5 i {
    color: #E1306C;
}

.video-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.video-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* ========================================
   Schedule Section
======================================== */
.schedule-section {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.schedule-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.schedule-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.schedule-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.schedule-day {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-light);
}

.day-label {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.time {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-dark);
}

.schedule-details p {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.schedule-details i {
    color: var(--primary-color);
    font-size: 18px;
}

/* Calendar Styles */
.calendar-wrapper {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

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

.calendar-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.calendar-nav {
    background: var(--bg-light);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--text-dark);
    font-size: 18px;
}

.calendar-nav:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

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

.calendar-day-header {
    text-align: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-light);
    padding: 12px 0;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    background: var(--bg-light);
    color: var(--text-dark);
}

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

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    background: var(--secondary-color);
    color: var(--text-white);
    font-weight: 900;
}

.calendar-day.lesson-day {
    background: var(--gradient-primary);
    color: var(--text-white);
    font-weight: 900;
    position: relative;
}

.calendar-day.lesson-day::after {
    content: '●';
    position: absolute;
    bottom: 4px;
    font-size: 8px;
}

.calendar-legend {
    display: flex;
    gap: 24px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--bg-light);
    font-size: 14px;
}

.calendar-legend span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legend-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.legend-dot.lesson-day {
    background: var(--gradient-primary);
}

.legend-dot.today {
    background: var(--secondary-color);
}

/* ========================================
   Achievements Section
======================================== */
.achievements-section {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.achievements-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.tab-btn {
    padding: 14px 32px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--text-white);
    border-color: transparent;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.achievement-card {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-smooth);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-left-width: 8px;
}

.achievement-year {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
}

.achievement-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.achievement-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   Pricing Section
======================================== */
.pricing-section {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.pricing-header {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 40px 32px;
    text-align: center;
}

.pricing-header i {
    font-size: 48px;
    margin-bottom: 16px;
}

.pricing-header h3 {
    font-size: 26px;
    font-weight: 900;
    margin-bottom: 8px;
}

.pricing-header p {
    font-size: 14px;
    opacity: 0.95;
}

.pricing-body {
    padding: 40px 32px;
}

.price-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.price-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 600;
}

.price {
    font-size: 42px;
    font-weight: 900;
    color: var(--text-dark);
}

.price.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price small {
    font-size: 18px;
    font-weight: 600;
}

.price-detail {
    font-size: 14px;
    color: var(--text-light);
}

.price-divider {
    height: 1px;
    background: var(--bg-light);
    margin: 20px 0;
}

.price-note {
    background: var(--bg-light);
    padding: 16px;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

.price-note i {
    color: var(--primary-color);
    margin-top: 2px;
}

.price-trial {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px dashed var(--bg-light);
    font-size: 18px;
    color: var(--primary-color);
}

.price-features {
    margin-top: 24px;
}

.price-features .feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-dark);
}

.price-features .feature i {
    color: var(--primary-color);
    font-size: 18px;
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.info-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    margin-bottom: 32px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.info-item:last-child {
    margin-bottom: 0;
}

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

.info-item strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.info-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.payment-info,
.cancellation-policy {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.payment-info h4,
.cancellation-policy h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.payment-info h4 i {
    color: var(--primary-color);
}

.cancellation-policy h4 i {
    color: #FF6B6B;
}

.payment-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.cancellation-policy ul {
    list-style: none;
    font-size: 14px;
    color: var(--text-light);
}

.cancellation-policy li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.cancellation-policy li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 900;
}

/* Form Styles */
.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.required {
    color: #FF6B6B;
    font-size: 12px;
    margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid transparent;
    background: var(--bg-white);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 14px;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(255, 149, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    margin-bottom: 16px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.6;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-primary);
    margin-top: 32px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(255, 149, 0, 0.4);
}

.form-message {
    margin-top: 16px;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #D4EDDA;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #F8D7DA;
    color: #721C24;
    display: block;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 14px;
    opacity: 0.8;
}

.footer-links h4,
.footer-social h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition-smooth);
    font-size: 14px;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

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

.social-links a {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 22px;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.7;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px;
        gap: 20px;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero .container {
        flex-direction: column-reverse;
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        flex: 0 0 auto;
        width: 100%;
        max-width: 400px;
        margin-bottom: 40px;
    }
    
    .hero-image img {
        height: 500px;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .schedule-content {
        grid-template-columns: 1fr;
    }
    
    .achievement-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .achievement-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .achievements-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 22px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .contact-form {
        padding: 24px;
    }
}