:root {
    /* Color Palette: Imperial Red Celebration at Night */
    --bg-app: #0a0a0b;
    --bg-panel: rgba(20, 10, 10, 0.7);
    /* Subtle warm tint */
    --bg-card: #1c1c1e;

    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    /* Lighter for better contrast */
    --text-muted: #9ca3af;

    /* Primary Accent: Imperial Red */
    --accent-red: #D32F2F;
    --accent-red-dark: #B71C1C;

    /* Secondary Accent: Gold for text highlights */
    --accent-gold: #FFD700;
    --accent-gold-dim: #D4AF37;

    --border-color: rgba(211, 47, 47, 0.3);
    /* Reddish border */
    --glass-bg: rgba(20, 10, 10, 0.8);
    --glass-border: 1px solid rgba(211, 47, 47, 0.2);

    --font-heading: 'Noto Sans SC', 'Inter', sans-serif;
    --font-body: 'Inter', 'Noto Sans SC', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 15px rgba(211, 47, 47, 0.4);
    /* Red glow */
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

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

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

/* Skip to Content Link for Accessibility */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--accent-red);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 0;
}

.skip-to-content:focus {
    top: 0;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* Focus Styles for Accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

ul {
    list-style: none;
}

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

/* Typography with Fluid Sizing */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: 0.75rem;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

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

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

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

.text-white {
    color: #ffffff;
}

.d-block {
    display: block;
}

.text-decoration-none {
    text-decoration: none;
}

.grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-end {
    align-items: flex-end;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-3 {
    gap: 1rem;
}

.fw-bold {
    font-weight: 700;
}

/* Components */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    min-height: 44px;
    /* Touch target size */
    min-width: 120px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-red-dark) 100%);
    color: #ffffff;
    /* White text on red button */
    box-shadow: var(--shadow-glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(211, 47, 47, 0.6);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover,
.btn-outline:focus {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
    min-height: 38px;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: var(--radius-md);
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 12px 0 12px;
    max-width: 1280px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff 30%, var(--accent-red) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 4px;
    /* Better touch target */
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Footer */
.main-footer {
    background: #000;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
}

.footer-col ul li a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Hero Section Video Background Styles */
.hero-section {
    position: relative;
    height: 85vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .nav-links {
        gap: 24px;
    }

    .nav-links a {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 11, 0.98);
        backdrop-filter: blur(10px);
        padding: 20px 24px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        border-bottom: 1px solid var(--border-color);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 16px 8px;
        font-size: 1rem;
        min-height: 48px;
        /* Better touch target */
    }

    .nav-links a::after {
        display: none;
    }

    h1 {
        font-size: 2rem;
    }

    .section-padding {
        padding: 48px 0;
    }

    .hero-section {
        height: 70vh;
        min-height: 500px;
    }

    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .container {
        padding: 0 16px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 16px;
    }

    .logo {
        font-size: 1.25rem;
    }

    .section-padding {
        padding: 32px 0;
    }

    h2 {
        font-size: 1.5rem;
    }
}