@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@700;800&display=swap');

:root {
    --bg: #030712;
    --surface: #0f172a;
    --accent-primary: #8b5cf6; /* AriaScholar Violet */
    --accent-secondary: #0ea5e9; /* Mesurette/Taski Blue */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-height: 80px;
}

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

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

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.1;
}

/* Background Blobs */
.blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    filter: blur(80px);
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: move 20s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -100px;
    right: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    left: -150px;
    animation-delay: -5s;
}

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(100px, 100px) scale(1.2); }
}

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

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    backdrop-filter: blur(12px);
    background: rgba(3, 7, 18, 0.8);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    display: flex;
    align-items: center;
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding-top: calc(var(--nav-height) + 5rem);
    padding-bottom: 5rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 10px 15px -3px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(139, 92, 246, 0.4);
}

/* Main Content Wrapper (For Sidebar) */
.main-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    margin-top: 2rem;
}

/* Sections */
section {
    margin-bottom: 8rem;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: left;
}

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

.card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}

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

/* Sidebar / Ad Section */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.ad-carousel {
    position: relative;
    width: 100%;
    min-height: 140px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    position: sticky;
    top: calc(var(--nav-height) + 2rem);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    pointer-events: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.carousel-slide .img-container {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.carousel-slide .img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.carousel-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.carousel-content h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.carousel-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.carousel-content a.text-link {
    color: var(--accent-secondary); 
    text-decoration: none; 
    font-size: 0.85rem; 
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    .main-wrapper {
        grid-template-columns: 1fr;
    }
    .sidebar {
        order: 2;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}