/* Google Fonts - Inter (UI) & Playfair Display (Headings) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:wght@700&display=swap');

:root {
    /* Premium Color Palette */
    --primary-color: #0f172a;
    /* Slate 900 */
    --accent-color: #4f46e5;
    /* Indigo 600 */
    --background-color: #f8fafc;
    /* Slate 50 */
    --surface-color: #ffffff;
    --text-main: #1e293b;
    /* Slate 800 */
    --text-muted: #64748b;
    /* Slate 500 */
    --border-color: #e2e8f0;
    /* Slate 200 */
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand {
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

/* Navbar Premium */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-main) !important;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color) !important;
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 6rem;
    background: radial-gradient(circle at top right, #eef2ff 0%, #ffffff 60%);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* Blog Cards */
.blog-card {
    border: none;
    border-radius: 12px;
    background: var(--surface-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
    height: 100%;
    overflow: hidden;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.blog-img {
    height: 240px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-img {
    transform: scale(1.05);
}

.card-body {
    padding: 2rem;
}

.card-title {
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    /* Pill shape */
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 50px;
    padding: 0.75rem 2rem;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer */
footer {
    background-color: #0f172a;
    /* Slate 900 */
    color: #94a3b8;
    padding: 4rem 0;
}

footer h5 {
    color: #ffffff;
    margin-bottom: 1.5rem;
}

footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: #ffffff;
}

/* Utilities */
.text-accent {
    color: var(--accent-color);
}

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