/* 
========================================
INFINITY AI ACADEMY - STYLES
Theme: Futuristic Aerospace / Titanium / Sci-Fi
========================================
*/

:root {
    --bg-deep: #020617;
    --bg-dark: #0f172a;
    --accent-blue: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --titanium: #cbd5e1;
    --text-main: #f1f5f9;
    --text-dim: #94a3b8;
    --glass-bg: rgba(15, 23, 42, 0.6);
    --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;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: 'Exo 2', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .logo-text {
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- Background Effects --- */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #1e293b 0%, #020617 100%);
    z-index: -2;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 50% 50%, black, transparent 80%);
    z-index: -1;
    opacity: 0.3;
    pointer-events: none;
}

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

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

.main-header.scrolled {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(15px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    font-weight: bold;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
}

.logo .accent {
    color: var(--accent-blue);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

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

.nav-link:hover {
    color: var(--accent-blue);
}

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

.burger {
    display: none;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-main);
    margin: 5px 0;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    gap: 2rem;
}

.hero-content {
    max-width: 650px;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 5px 15px;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    font-size: 0.7rem;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    background: var(--accent-glow);
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--accent-blue);
    text-shadow: 0 0 20px var(--accent-glow);
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--bg-deep);
    font-weight: 700;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
}

.btn-primary:hover {
    background: white;
    box-shadow: 0 0 30px var(--accent-blue);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--titanium);
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-blue);
}

/* --- Visuals --- */
.hero-visual {
    position: relative;
    width: 500px;
    height: 500px;
}

.molecule-sphere {
    width: 100%;
    height: 100%;
    position: relative;
    animation: rotateSphere 20s linear infinite;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-blue);
}

.node:nth-child(1) { top: 10%; left: 50%; }
.node:nth-child(2) { top: 50%; left: 10%; }
.node:nth-child(3) { top: 90%; left: 50%; }
.node:nth-child(4) { top: 50%; left: 90%; }
.node:nth-child(5) { top: 30%; left: 30%; }
.node:nth-child(6) { top: 70%; left: 70%; }

@keyframes rotateSphere {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Section Common --- */
section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--accent-blue);
    margin: 0 auto;
    position: relative;
}

.divider::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -10px;
    width: 100px;
    height: 8px;
    border: 1px solid var(--accent-blue);
    opacity: 0.5;
}

/* --- Glassmorphism --- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: var(--transition);
}

.glass:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 30px var(--accent-glow);
}

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

.about-card {
    padding: 3rem 2rem;
    text-align: center;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.about-card h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.about-card p {
    color: var(--text-dim);
}

/* --- Programs Section --- */
.programs {
    background: linear-gradient(180deg, var(--bg-deep) 0%, #0a1128 100%);
}

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

.program-item {
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
}

.program-num {
    position: absolute;
    top: -10px;
    right: 10px;
    font-size: 5rem;
    font-family: 'Orbitron', sans-serif;
    color: rgba(255,255,255,0.05);
    font-weight: 700;
    z-index: 0;
}

.program-item h3 {
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.program-item p {
    position: relative;
    z-index: 1;
    margin-bottom: 1.5rem;
    color: var(--text-dim);
}

.prog-list {
    list-style: none;
    position: relative;
    z-index: 1;
}

.prog-list li {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.prog-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

/* --- Lab Section --- */
.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.lab-card {
    height: 350px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 1px solid var(--glass-border);
}

.lab-img {
    height: 100%;
    width: 100%;
    background: linear-gradient(45deg, #0f172a, #1e293b);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Orbitron', sans-serif;
    color: rgba(255,255,255,0.2);
    transition: var(--transition);
}

.lab-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, var(--bg-deep));
    transform: translateY(20px);
    transition: var(--transition);
}

.lab-card:hover .lab-img {
    transform: scale(1.1);
    background: linear-gradient(45deg, #1e293b, #334155);
}

.lab-card:hover .lab-info {
    transform: translateY(0);
}

.lab-info h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.lab-info p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* --- Contacts Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem;
    align-items: center;
}

.contact-info h2 {
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 2rem;
    color: var(--text-dim);
}

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

.detail-item {
    display: flex;
    flex-direction: column;
}

.label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 0.2rem;
}

.value {
    font-size: 1.1rem;
    color: var(--text-main);
    text-decoration: none;
}

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

.input-group input, .input-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(2, 6, 23, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: white;
    font-family: inherit;
    transition: var(--transition);
}

.input-group input:focus, .input-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* --- Footer --- */
.main-footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        justify-content: center;
        padding-top: 120px;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-visual {
        width: 300px;
        height: 300px;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-deep);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s;
        z-index: 999;
    }
    .nav-menu.active {
        right: 0;
    }
    .burger {
        display: block;
        z-index: 1001;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}