@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --primary: #3DDC84; /* Android Green */
    --primary-dark: #2da161;
    --secondary: #073042;
    --accent: #FF5722;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --card-light: rgba(255, 255, 255, 0.8);
    --card-dark: rgba(30, 41, 59, 0.7);
    --text-light: #1e293b;
    --text-dark: #f1f5f9;
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body.dark-mode {
    background: var(--bg-dark);
    color: var(--text-dark);
}

/* Glassmorphism Utilities */
.glass {
    background: var(--card-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.dark-mode .glass {
    background: var(--card-dark);
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.dark-mode header.scrolled {
    background: rgba(15, 23, 42, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links a {
    text-decoration: none;
    color: inherit;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

/* Grid System */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

/* Card Design */
.article-card {
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.article-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 15px;
}

.article-content {
    padding: 1.5rem;
}

.category-tag {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background: var(--secondary);
    color: white;
    padding: 4rem 2rem;
    margin-top: 4rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Forms */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input, textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: inherit;
    font-family: inherit;
}

.btn {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}