/* Global Variables & Themes */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent: #b8860b; /* Dark Goldenrod */
    --accent-glow: rgba(184, 134, 11, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

body.dark-mode {
    --bg-primary: #0a0c10;
    --bg-secondary: #12151c;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #d4af37; /* Gold */
    --accent-glow: rgba(212, 175, 55, 0.15);
    --glass-bg: rgba(10, 12, 16, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

h1, h2, h3, .logo-text {
    font-family: 'Playfair Display', serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Glassmorphism Utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

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

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    opacity: 0.8;
}

.nav-links a:hover {
    color: var(--accent);
    opacity: 1;
}

.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-icon, .btn-lang {
    background: none;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-lang {
    font-weight: 600;
    font-size: 0.8rem;
    min-width: 40px;
}

.btn-icon:hover, .btn-lang:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.menu-toggle {
    display: none;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
    position: relative;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title span {
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 10px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px var(--accent-glow);
}

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

.btn-outline:hover {
    background-color: var(--accent);
    color: white;
}

/* Hero Special Effect */
.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.glow-sphere {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s infinite alternate ease-in-out;
    pointer-events: none;
}

@keyframes float {
    from { transform: translate(0, 0); }
    to { transform: translate(-50px, 50px); }
}

/* Sections */
.section {
    padding: 8rem 0;
    position: relative;
    z-index: 2;
}

.bg-alt {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

/* Grid Layouts */
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    display: block;
}

.image-block {
    overflow: hidden;
    padding: 0;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.card:hover {
    transform: translateY(-10px);
}

.card-icon {
    color: var(--accent);
    margin-bottom: 1.5rem;
    width: 48px;
    height: 48px;
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Scroll Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .menu-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text-primary);
        cursor: pointer;
    }
}