:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: rgba(255, 255, 255, 0.05);
    --accent-color: #8b5cf6;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    min-width: 260px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
    border-radius: 8px;
    z-index: 1001;
    top: 100%;
    left: 0;
    overflow: hidden;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.3s ease;
}

.dropdown-content a {
    color: #cbd5e1;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: var(--primary-color);
    color: white;
}

.dropdown:hover .dropdown-content {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

/* Page Sections SPA */
.page-section {
    animation: fadeIn 0.4s ease-out;
}

.page-section.hidden {
    display: none;
}

/* Pagination */
.page-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.page-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cta-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    margin-top: 70px; /* offset for fixed navbar */
    position: relative;
}

/* Decorative Background Glow */
.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 60%);
    opacity: 0.15;
    top: -100px;
    right: -100px;
    border-radius: 50%;
    z-index: -1;
    filter: blur(40px);
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 60%);
    opacity: 0.1;
    bottom: -50px;
    left: -50px;
    border-radius: 50%;
    z-index: -1;
    filter: blur(40px);
}

.hero-content {
    flex: 1;
    max-width: 600px;
    animation: slideUp 0.8s ease-out forwards;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.125rem;
    color: #94a3b8;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.btn.primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn.secondary {
    background-color: var(--secondary-color);
    color: var(--text-color);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* Hero Graphic / Glassmorphism */
.hero-graphic {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    animation: fadeIn 1.2s ease-out forwards;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: rotateY(-15deg) rotateX(5deg);
    transition: all 0.5s ease;
    max-width: 350px;
}

.glass-card:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 30px 60px -12px rgba(59, 130, 246, 0.2);
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.glass-card p {
    color: #cbd5e1;
    font-size: 1rem;
}

/* Animations */
@keyframes slideUp {
    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) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 4rem;
    }

    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-content p {
        margin: 0 auto 2rem auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .nav-links {
        display: none; /* Basic mobile hide for now */
    }

    .glass-card {
        transform: none;
    }
}

/* Badges */
.badge { padding: 0.3rem 0.6rem; border-radius: 4px; font-size: 0.8rem; font-weight: 600; }
.badge-primary { background: rgba(16, 185, 129, 0.2); color: #10b981; border: 1px solid #10b981; }
.badge-secondary { background: rgba(148, 163, 184, 0.2); color: #94a3b8; border: 1px solid #94a3b8; }