/* 
  Gurumantra Academy - Premium Design System
  Theme: Academic Excellence & Modern Luxury
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Playfair+Display:wght@700;900&display=swap');

:root {
    --bg-color: #0A0A0B;
    --surface-color: #161617;
    --primary-gold: #EAB308;
    --primary-gold-glow: rgba(234, 179, 8, 0.3);
    --secondary-blue: #1D4ED8;
    --text-main: #FFFFFF;
    --text-muted: #A0A0A0;
    --glass-bg: rgba(22, 22, 23, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(29, 78, 216, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(234, 179, 8, 0.05) 0%, transparent 50%),
        url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

nav.scrolled {
    padding: 1rem 0;
    background: rgba(10, 10, 11, 0.95);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-gold);
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8));
    /* Image will be set via inline style or CSS if I know the path */
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -2;
    object-fit: cover;
    opacity: 0.4;
}

.hero-content {
    max-width: 800px;
}

.hero-tagline {
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-gold);
    color: var(--bg-color);
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: var(--transition);
    box-shadow: 0 10px 20px var(--primary-gold-glow);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--primary-gold-glow);
}

/* Sections General */
section {
    padding: 8rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.card {
    padding: 3rem;
    border-radius: 12px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-gold);
}

.card i {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
    display: block;
}

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

/* Faculty Section */
.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.faculty-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 400px;
}

.faculty-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.faculty-info {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.faculty-card:hover .faculty-info {
    transform: translateY(0);
    opacity: 1;
}

.faculty-card:hover img {
    transform: scale(1.1);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    color: var(--primary-gold);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

input, textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

input:focus, textarea:focus {
    border-color: var(--primary-gold);
    outline: none;
}

/* Footer */
footer {
    padding: 4rem 0;
    background: var(--surface-color);
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-links a {
    color: var(--text-main);
    font-size: 1.5rem;
    transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .nav-links {
        display: none; /* Add hamburger menu logic later */
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

/* Animations */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
}

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