:root {
    --bg-dark: #05070a;
    --surface: rgba(15, 23, 42, 0.7);
    --surface-light: rgba(30, 41, 59, 0.5);
    --saffron: #f97316;
    --navy: #1e3a8a;
    --royal: #2563eb;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-glow: rgba(249, 115, 22, 0.2);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(30, 58, 138, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(249, 115, 22, 0.05) 0%, transparent 40%);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

.glass {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
}

/* Typography Utilities */
.text-gradient {
    background: linear-gradient(135deg, #fff 30%, var(--saffron) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-text { color: var(--saffron); }

/* Navigation */
nav {
    height: 90px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(10px);
    height: 70px;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo .callsign {
    color: var(--saffron);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-eyebrow {
    color: var(--saffron);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

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

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

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

.iota-card {
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 280px;
}

.iota-card:hover {
    transform: translateY(-10px);
    border-color: var(--saffron);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 20px var(--accent-glow);
}

.iota-callsign {
    font-family: var(--font-mono);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--saffron);
    margin-bottom: 0.5rem;
}

.iota-island {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.iota-ref {
    display: inline-block;
    padding: 4px 12px;
    background: var(--navy);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    margin-top: 1rem;
}

/* Awards Section */
.awards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.award-card {
    padding: 3rem;
    display: flex;
    gap: 2rem;
}

.award-icon {
    font-size: 3rem;
    color: var(--saffron);
}

.award-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--saffron);
    color: #000;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.3);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    position: relative;
    background: var(--surface-light);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-card i {
    font-size: 1.5rem;
    color: var(--saffron);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dim);
}

.form-group input, 
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: 12px;
    color: #fff;
    font-family: var(--font-body);
    transition: border-color 0.3s;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--saffron);
}

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    .hero h1 { font-size: 3.5rem; }
    .awards-grid { grid-template-columns: 1fr; }
    .contact-container { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}