@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Main colors */
    --color-bg: #0F172A;
    --color-bg-alt: #1E293B;
    --color-primary: #3B82F6;
    --color-primary-dark: #2563EB;
    --color-primary-light: #60A5FA;
    --color-secondary: #10B981;
    --color-accent: #F59E0B;
    --color-accent-dark: #D97706;
    
    /* Text colors */
    --color-text: #F8FAFC;
    --color-text-muted: #94A3B8;
    --color-text-dark: #1E293B;
    
    /* UI colors */
    --color-border: rgba(148, 163, 184, 0.2);
    --color-card: rgba(30, 41, 59, 0.8);
    --color-card-hover: rgba(30, 41, 59, 0.95);
    --color-card-active: #334155;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-outline: 0 0 0 3px rgba(59, 130, 246, 0.5);
    
    /* Sizes and spacing */
    --header-height: 70px;
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index layers */
    --z-negative: -1;
    --z-elevate: 1;
    --z-dropdown: 10;
    --z-sticky: 100;
    --z-fixed: 200;
    --z-modal: 300;
    --z-popover: 400;
    --z-tooltip: 500;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-weight: 400;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

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

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

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

/* Background Effects */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: var(--z-negative);
    opacity: 0.4;
}

.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.1), transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(16, 185, 129, 0.1), transparent 40%);
    z-index: var(--z-negative);
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.site-main {
    flex: 1;
    padding: 2rem 0 4rem;
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    position: relative;
    z-index: var(--z-elevate);
}

.logo-inner {
    display: flex;
    align-items: baseline;
    position: relative;
}

.logo-text {
    color: var(--color-text);
    margin-right: 0.25rem;
}

.logo-number {
    color: var(--color-accent);
    font-size: 1.25rem;
    position: relative;
}

.logo-number::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background-color: rgba(245, 158, 11, 0.2);
    z-index: -1;
    border-radius: 2px;
}

.menu-toggle {
    display: none;
    position: relative;
    z-index: var(--z-elevate);
}

.hamburger {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.menu-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active .hamburger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-item {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

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

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

.nav-item:hover::after {
    width: 30%;
}

.nav-item.active {
    color: var(--color-accent);
}

.nav-item.active::after {
    width: 50%;
}

/* Hero Section */
.hero {
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-xl);
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: var(--shadow-lg);
}

.hero-content {
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    z-index: var(--z-elevate);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--color-text), rgba(248, 250, 252, 0.8));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
    -webkit-text-fill-color: var(--color-accent);
}

.accent::after {
    content: '';
    position: absolute;
    bottom: 0.2em;
    left: 0;
    width: 100%;
    height: 0.3em;
    background-color: rgba(245, 158, 11, 0.3);
    z-index: -1;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(248, 250, 252, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    transform: rotate(-5deg);
}

/* Cards */
.promo-card, .content-card, .links-card, .info-card {
    background-color: var(--color-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.promo-card:hover, .content-card:hover, .links-card:hover, .info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Promo Card */
.promo-card {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    padding: 2.5rem;
    text-align: center;
}

.promo-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.promo-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}

.promo-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: rgba(248, 250, 252, 0.9);
}

/* Content Card */
.content-card, .links-card, .info-card {
    padding: 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-primary-light);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
    border-radius: 3px;
}

.card-content p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

.card-content strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Links Grid */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.link-item:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.link-text {
    font-weight: 500;
}

.link-icon {
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
}

.link-item:hover .link-icon {
    opacity: 1;
    transform: translateX(0);
}

/* Info Card */
.info-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    color: var(--color-primary-light);
}

.info-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.info-content p {
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-dark);
    box-shadow: 0 4px 6px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(245, 158, 11, 0.3);
}

.btn-text {
    margin-right: 0.5rem;
}

.btn-icon {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

.cta-wrapper {
    margin-top: 2rem;
    text-align: center;
}

/* Subpage Specific */
.subpage-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.logo-container {
    display: flex;
    justify-content: center;
    margin: 1rem 0;
}

.site-image {
    max-width: 300px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

/* Footer */
.site-footer {
    background-color: rgba(15, 23, 42, 0.9);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    margin-top: auto;
}

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

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

.dmca-badge {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.dmca-badge:hover {
    opacity: 1;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.25rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-bg-alt);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        transition: right var(--transition-normal);
        z-index: var(--z-dropdown);
        box-shadow: var(--shadow-xl);
        gap: 1.5rem;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    body.menu-open {
        overflow: hidden;
    }
    
    .hero-content {
        padding: 3rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .promo-card, .content-card, .links-card, .info-card {
        padding: 1.5rem;
    }
    
    .promo-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .site-main {
        padding: 1.5rem 0 3rem;
    }
    
    .hero-content {
        padding: 2.5rem 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-wrapper > * {
    animation: fadeIn 0.5s ease forwards;
}

.content-wrapper > *:nth-child(1) { animation-delay: 0.1s; }
.content-wrapper > *:nth-child(2) { animation-delay: 0.2s; }
.content-wrapper > *:nth-child(3) { animation-delay: 0.3s; }
.content-wrapper > *:nth-child(4) { animation-delay: 0.4s; }
.content-wrapper > *:nth-child(5) { animation-delay: 0.5s; }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .site-header, .site-footer, .promo-card, .btn {
        display: none;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .content-card, .links-card, .info-card {
        border: 1px solid #ddd;
        box-shadow: none;
        page-break-inside: avoid;
    }
}