/* ============================================
   Card Counting Academy - Landing Page Styles
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors - Dark Sophisticated Theme */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: #15151f;
    
    --color-text-primary: #f5f5f7;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    --color-accent: #d4a853;
    --color-accent-light: #e8c778;
    --color-accent-dark: #b8923f;
    
    --color-suit-spade: #f5f5f7;
    --color-suit-heart: #ef4444;
    --color-suit-diamond: #3b82f6;
    --color-suit-club: #22c55e;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(212, 168, 83, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

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

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.nav-logo .logo-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    background: var(--color-accent);
    color: var(--color-bg-primary) !important;
    border-radius: var(--radius-full);
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--color-accent-light);
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(80px + var(--spacing-4xl)) var(--container-padding) var(--spacing-4xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 168, 83, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(59, 130, 246, 0.08), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(139, 92, 246, 0.06), transparent);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: 
        repeating-linear-gradient(45deg, var(--color-text-primary) 0, var(--color-text-primary) 1px, transparent 0, transparent 50%);
    background-size: 60px 60px;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-tagline {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-accent {
    color: var(--color-accent);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

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

.btn-primary .apple-icon {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

/* Hero Visual / Device Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-device {
    position: relative;
}

.device-frame {
    width: 280px;
    height: 560px;
    background: var(--color-bg-tertiary);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        var(--shadow-lg),
        0 0 80px rgba(212, 168, 83, 0.1);
    animation: float 6s ease-in-out infinite;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.placeholder-suit {
    font-size: 3rem;
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

.placeholder-suit:nth-child(1) { color: var(--color-suit-spade); animation-delay: 0s; }
.placeholder-suit:nth-child(2) { color: var(--color-suit-heart); animation-delay: 0.5s; }
.placeholder-suit:nth-child(3) { color: var(--color-suit-diamond); animation-delay: 1s; }
.placeholder-suit:nth-child(4) { color: var(--color-suit-club); animation-delay: 1.5s; }

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeIn 1s ease-out 1s both;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .device-frame {
        width: 220px;
        height: 440px;
    }
}

/* ============================================
   Section Shared Styles
   ============================================ */

.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-tagline {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
}

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

/* ============================================
   Features Section
   ============================================ */

.features {
    background: var(--color-bg-secondary);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: center;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    text-align: center;
    width: 280px;
    flex-shrink: 0;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-lg);
    font-size: 1.5rem;
    color: var(--color-bg-primary);
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
    background: var(--color-bg-primary);
    position: relative;
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
}

.step-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-bg-tertiary);
    line-height: 1;
}

.step-content {
    padding-right: var(--spacing-2xl);
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.step-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.step-visual {
    display: flex;
    justify-content: center;
}

.step-icon-wrapper {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.step-icon {
    font-size: 2rem;
}

.step-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    margin: 0 auto;
}

@media (max-width: 768px) {
    .step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .step-number {
        font-size: 3rem;
    }
    
    .step-content {
        padding-right: 0;
    }
    
    .step-visual {
        order: -1;
    }
}

/* ============================================
   FAQ Section
   ============================================ */

.faq {
    background: var(--color-bg-secondary);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

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

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-xl) 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-icon {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: currentColor;
    transition: transform var(--transition-base);
}

.faq-icon::before {
    width: 14px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-icon::after {
    width: 2px;
    height: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-item[open] .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
    padding-bottom: var(--spacing-xl);
    color: var(--color-text-secondary);
    line-height: 1.7;
    animation: slideDown 0.3s ease-out;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--container-padding) var(--spacing-2xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-4xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.footer-tagline {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}


.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

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

.footer-list a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.7;
}

@media (max-width: 968px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
    
    .footer-brand {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-page {
    padding-top: 90px;
}

.legal-hero {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: radial-gradient(circle at top, rgba(212, 168, 83, 0.08), transparent 60%);
}

.legal-meta {
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.legal-content {
    padding: var(--spacing-2xl) 0 var(--spacing-4xl);
}

.legal-section {
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

.legal-section h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.legal-section h3 {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.legal-list {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.legal-list li {
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   Animations
   ============================================ */

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

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

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.05);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: rotate(45deg) translateY(0);
    }
    50% {
        transform: rotate(45deg) translateY(5px);
    }
}

/* Animation utility classes for future JS enhancement */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* Video container placeholder for future use */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.video-container video,
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Reduced Motion Preference
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}