/* ========================================
   7 Hills Chess Academy - Main Stylesheet
   Premium Chess Academy Website Design
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Color Palette */
    --primary-navy: #0F172A;
    --accent-gold: #e6febd;
    --text-accent: #f17f3c;
    --secondary-slate: #2F3E46;
    --highlight-ivory: #F4F1E8;
    --accent-burgundy: #7A3E3E;
    
    /* Semantic Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-light: #64748B;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F4F1E8;
    --bg-dark: #0F172A;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--primary-navy);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* ========== Container ========== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========== Sections ========== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-gold), #D4B76A);
    color: var(--primary-navy);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--container-padding);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary-navy);
}

.chess-icon {
    font-size: 1.75rem;
    color: var(--text-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--text-accent);
}

.nav-link.active {
    color: var(--primary-navy);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-navy);
    transition: var(--transition-base);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), #D4B76A);
    color: var(--primary-navy);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: var(--secondary-slate);
    color: var(--highlight-ivory);
}

.btn-secondary:hover {
    background: var(--primary-navy);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--accent-gold);
    color: var(--text-accent);
    background: transparent;
}

.btn-outline:hover {
    background: var(--accent-gold);
    color: var(--primary-navy);
}

.btn-success {
    background: #25D366;
    color: white;
}

.btn-success:hover {
    background: #20BA5A;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    display: flex;
}

.btn-nav {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-slate) 100%);
    color: var(--highlight-ivory);
    margin-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 70px, rgba(198, 167, 92, 0.03) 70px, rgba(198, 167, 92, 0.03) 140px),
        repeating-linear-gradient(90deg, transparent, transparent 70px, rgba(198, 167, 92, 0.03) 70px, rgba(198, 167, 92, 0.03) 140px);
    opacity: 0.5;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    color: var(--highlight-ivory);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(244, 241, 232, 0.85);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chess-board-decoration {
    width: 400px;
    height: 400px;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(198, 167, 92, 0.1) 50px, rgba(198, 167, 92, 0.1) 100px),
        repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(198, 167, 92, 0.1) 50px, rgba(198, 167, 92, 0.1) 100px);
    border: 3px solid var(--accent-gold);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

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

.hero-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-primary);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
}

/* ========== Introduction Section ========== */
.intro-section {
    background: var(--bg-primary);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.intro-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.intro-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.intro-icon {
    font-size: 3rem;
    color: var(--text-accent);
    margin-bottom: var(--spacing-md);
}

.intro-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-navy);
}

.intro-card p {
    color: var(--text-light);
}

/* ========== Benefits Section ========== */
.benefits-section {
    background: var(--bg-secondary);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.benefits-text {
    padding-right: var(--spacing-lg);
}

.benefits-list {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
}

.benefit-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gold);
    color: var(--primary-navy);
    border-radius: 50%;
    font-weight: bold;
}

.benefit-item h4 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.benefit-item p {
    margin: 0;
    font-size: 0.9375rem;
}

.benefits-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--secondary-slate), var(--primary-navy));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.placeholder-icon {
    font-size: 8rem;
    color: var(--text-accent);
    opacity: 0.5;
}

/* ========== Courses Preview Section ========== */
.courses-preview-section {
    background: var(--bg-primary);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-gold);
}

.course-card.featured {
    border-color: var(--accent-gold);
    background: linear-gradient(to bottom, rgba(198, 167, 92, 0.05), white);
}

.course-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--secondary-slate);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.course-card.featured .course-badge {
    background: var(--accent-gold);
    color: var(--primary-navy);
}

.course-title {
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.course-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.course-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.course-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--text-accent);
    font-weight: bold;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(15, 23, 42, 0.1);
}

.course-duration {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9375rem;
}

/* ========== Testimonials Section ========== */
.testimonials-section {
    background: var(--primary-navy);
    color: var(--highlight-ivory);
}

.testimonials-section .section-badge {
    background: var(--accent-gold);
}

.testimonials-section .section-title,
.testimonials-section .section-subtitle {
    color: var(--highlight-ivory);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(198, 167, 92, 0.2);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-gold);
}

.testimonial-rating {
    color: var(--text-accent);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: rgba(244, 241, 232, 0.9);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gold);
    color: var(--primary-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.author-name {
    font-weight: 600;
    color: var(--highlight-ivory);
    margin-bottom: 0.25rem;
}

.author-role {
    font-size: 0.875rem;
    color: rgba(244, 241, 232, 0.7);
}

/* ========== CTA Section ========== */
.cta-section {
    background: linear-gradient(135deg, var(--accent-gold), #D4B76A);
    color: var(--primary-navy);
    padding: var(--spacing-2xl) 0;
}

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

.cta-title {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--secondary-slate);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta-section .btn-primary:hover {
    background: var(--secondary-slate);
}

.cta-section .btn-secondary {
    background: white;
    color: var(--primary-navy);
}

.cta-section .btn-secondary:hover {
    background: var(--highlight-ivory);
}

/* ========== Footer ========== */
.footer {
    background: var(--primary-navy);
    color: rgba(244, 241, 232, 0.8);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--highlight-ivory);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(244, 241, 232, 0.7);
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(198, 167, 92, 0.1);
    border-radius: 50%;
    color: var(--text-accent);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--accent-gold);
    color: var(--primary-navy);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--highlight-ivory);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(244, 241, 232, 0.7);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--text-accent);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(244, 241, 232, 0.7);
}

.footer-contact svg {
    color: var(--text-accent);
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(244, 241, 232, 0.7);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(198, 167, 92, 0.2);
}

.footer-bottom p {
    color: rgba(244, 241, 232, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

/* ========== Page Header ========== */
.page-header {
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-slate));
    color: var(--highlight-ivory);
    padding: calc(70px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    text-align: center;
}

.page-title {
    color: var(--highlight-ivory);
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: 1.25rem;
    color: rgba(244, 241, 232, 0.8);
}

/* ========== About Page Styles ========== */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.content-text {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.content-text p {
    margin-bottom: var(--spacing-md);
}

.image-column .image-placeholder {
    margin: 0 auto;
}

.image-placeholder.large {
    max-width: 100%;
}

/* Mission Section */
.mission-section {
    background: var(--primary-navy);
    color: var(--highlight-ivory);
}

.mission-section .section-title {
    color: var(--highlight-ivory);
}

.mission-statement {
    font-size: 1.25rem;
    line-height: 1.8;
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
    color: rgba(244, 241, 232, 0.9);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(198, 167, 92, 0.2);
    transition: var(--transition-base);
}

.value-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-gold);
    transform: translateY(-5px);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    color: var(--text-accent);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: rgba(244, 241, 232, 0.8);
    font-size: 0.9375rem;
}

/* Philosophy Section */
.philosophy-section {
    background: var(--bg-secondary);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.philosophy-item {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.philosophy-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.philosophy-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    background: var(--accent-gold);
    color: var(--primary-navy);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.philosophy-item h3 {
    margin-bottom: var(--spacing-sm);
}

.philosophy-item p {
    font-size: 0.9375rem;
    margin: 0;
}

/* Instructors Section */
.instructors-section {
    background: var(--bg-primary);
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.instructor-card {
    text-align: center;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.instructor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.instructor-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-gold), #D4B76A);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.avatar-placeholder {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-navy);
}

.instructor-name {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.instructor-title {
    color: var(--text-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.instructor-bio {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.instructor-credentials {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.credential {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.achievement-stat {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
}

.achievements-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-gold);
    box-shadow: var(--shadow-sm);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-item p {
    margin: 0;
    font-weight: 500;
    color: var(--text-primary);
}

/* ========== Courses Page Styles ========== */
.course-filter-section {
    padding: var(--spacing-lg) 0;
    background: var(--bg-secondary);
}

.course-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--accent-gold);
    color: var(--text-accent);
}

.filter-btn.active {
    background: var(--accent-gold);
    color: var(--primary-navy);
    border-color: var(--accent-gold);
}

.courses-section {
    background: var(--bg-primary);
}

.course-detail-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.course-detail-card:hover {
    border-color: var(--accent-gold);
}

.course-detail-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.course-detail-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--secondary-slate);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.featured-badge {
    background: linear-gradient(135deg, var(--accent-gold), #D4B76A);
    color: var(--primary-navy);
}

.course-detail-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.course-detail-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

.course-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

.course-detail-main h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-navy);
}

.course-overview {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--bg-secondary);
}

.course-overview p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin: 0;
}

.curriculum-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.curriculum-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.curriculum-item > div {
    flex: 1;
}

.curriculum-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gold);
    color: var(--primary-navy);
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.875rem;
    margin-top: 2px;
}

.curriculum-item h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    line-height: 1.4;
    color: var(--primary-navy);
}

.curriculum-item p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-light);
}

.course-info-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 100px;
}

.course-info-card h4 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
    text-align: center;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
}

.info-item:last-of-type {
    margin-bottom: var(--spacing-lg);
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.info-value {
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
}

/* Features Section (Courses Page) */
.features-section {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.feature-card p {
    margin: 0;
    font-size: 0.9375rem;
}

/* ========== Contact Page Styles ========== */
.contact-section {
    background: var(--bg-primary);
}

.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-form-container {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-header {
    margin-bottom: var(--spacing-xl);
}

.form-header h2 {
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    color: var(--text-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-input {
    padding: 0.875rem 1rem;
    border: 2px solid rgba(15, 23, 42, 0.15);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-base);
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(198, 167, 92, 0.1);
}

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

.radio-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.75rem 1rem;
    border: 2px solid rgba(15, 23, 42, 0.15);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.radio-label:hover {
    border-color: var(--accent-gold);
}

.radio-label input[type="radio"] {
    accent-color: var(--accent-gold);
    cursor: pointer;
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #D1FAE5;
    color: #065F46;
    display: block;
}

.form-message.error {
    background: #FEE2E2;
    color: #991B1B;
    display: block;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
    margin-bottom: var(--spacing-sm);
}

.contact-info-card > p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-detail-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-accent);
}

.contact-detail-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.contact-detail-value a {
    color: var(--text-accent);
}

.contact-detail-value a:hover {
    text-decoration: underline;
}

.whatsapp-card {
    background: linear-gradient(135deg, #25D366 0%, #20BA5A 100%);
    color: white;
    text-align: center;
}

.whatsapp-card h3,
.whatsapp-card p {
    color: white;
}

.whatsapp-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.social-links-large {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link-large {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-base);
}

.social-link-large.facebook {
    background: #1877F2;
    color: white;
}

.social-link-large.instagram {
    background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF);
    color: white;
}

.social-link-large.youtube {
    background: #FF0000;
    color: white;
}

.social-link-large:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* Map Section */
.map-section {
    background: var(--bg-secondary);
}

.map-container {
    width: 100%;
    height: 450px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.map-placeholder svg {
    color: var(--text-accent);
    margin-bottom: var(--spacing-md);
}

.map-placeholder p {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.map-placeholder small {
    font-size: 0.875rem;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-container,
    .benefits-content,
    .two-column-layout,
    .course-detail-content {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        display: none;
    }
    
    .chess-board-decoration {
        width: 300px;
        height: 300px;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .course-info-card {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
        gap: 0;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-detail-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .intro-grid,
    .values-grid,
    .philosophy-grid,
    .instructors-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .chess-board-decoration {
        width: 250px;
        height: 250px;
    }
}

/* ========== Utility Classes ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* ========== Print Styles ========== */
@media print {
    .navbar,
    .footer,
    .cta-section,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .section {
        page-break-inside: avoid;
    }
}