/* ============================================
   CrackStreams - CSS Stylesheet
   Optimized for Performance & SEO
   ============================================ */

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

:root {
    /* Color Palette */
    --primary-color: #00bcd4;
    --primary-dark: #0097a7;
    --primary-light: #26c6da;
    --secondary-color: #ff5722;
    --text-dark: #1a1a1a;
    --text-medium: #333;
    --text-light: #666;
    --text-lighter: #999;
    --white: #ffffff;
    --background-light: #f8f9ff;
    --background-lighter: #fafbff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --line-height-base: 1.6;
    --line-height-heading: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--text-medium);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-heading);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(1.75rem, 4vw, 3rem);
}

h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

ul {
    list-style: none;
}

strong {
    font-weight: 600;
    color: var(--text-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: background var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-lg);
}

.main-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    min-height: 70px;
}

.site-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.site-logo:hover {
    transform: scale(1.05);
    color: var(--primary-color);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--background-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger-icon {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-medium);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--text-medium);
    transition: all var(--transition-base);
}

.hamburger-icon::before {
    top: -7px;
}

.hamburger-icon::after {
    bottom: -7px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    text-align: center;
    padding: calc(70px + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease both;
}

.hero-title {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
}

.cta-button.primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
}

.cta-button.secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta-button.secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* ============================================
   Featured Image Section
   ============================================ */
.featured-image-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.featured-image-wrapper {
    margin: 0 auto;
    max-width: 1000px;
    animation: fadeInUp 0.8s ease both;
}

.featured-image {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-slow);
}

.featured-image:hover {
    transform: scale(1.02);
}

.image-caption {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    text-align: center;
    margin-top: var(--spacing-md);
    font-style: italic;
    line-height: 1.5;
}

/* ============================================
   Introduction Section
   ============================================ */
.intro-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-lighter);
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.intro-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.intro-content p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Sport Detail Sections
   ============================================ */
.sport-detail-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.sport-detail-section:nth-child(even) {
    background: var(--background-light);
}

.sport-detail-content {
    display: grid;
    gap: var(--spacing-xl);
}

.sport-detail-text h2 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.sport-detail-text h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.sport-detail-text p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.feature-list li {
    padding: var(--spacing-sm);
    padding-left: var(--spacing-xl);
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ============================================
   Sports Grid Section
   ============================================ */
.sports-grid-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: var(--font-size-lg);
    color: var(--text-light);
}

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

.sport-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    color: var(--white);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.sport-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.sport-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 188, 212, 0.3);
}

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

.sport-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.sport-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.sport-link {
    color: var(--white);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    transition: transform var(--transition-fast);
}

.sport-link:hover {
    transform: translateX(5px);
    color: var(--white);
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

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

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

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.feature-icon-wrapper {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
}

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

.feature-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

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

.step-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--background-lighter);
    border-radius: var(--radius-lg);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
}

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

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

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.faq-container {
    max-width: 900px;
    margin: var(--spacing-xl) auto 0;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--white);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    background: var(--background-light);
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    border: none;
    text-align: left;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: #e8ecff;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    flex: 1;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-answer.active {
    max-height: 500px;
    padding: var(--spacing-lg);
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   SEO Content Section
   ============================================ */
.seo-content-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-lighter);
}

.seo-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.seo-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.seo-content h3 {
    color: var(--text-dark);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.seo-content p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--text-dark);
    color: rgba(255, 255, 255, 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-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p {
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-sm);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-section {
        min-height: 60vh;
        padding: calc(70px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-button {
        width: 100%;
        max-width: 300px;
    }
    
    .sports-grid,
    .features-grid,
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        max-height: 300px;
    }
    
    .intro-content,
    .seo-content {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .site-logo {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
}

/* ============================================
   Performance Optimizations
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .hero-cta,
    .footer,
    .nav-menu {
        display: none;
    }
    
    body {
        background: white;
    }
}