/* Base Styles & Custom Properties */
:root {
    --color-bg: #090a0f;
    --color-bg-alt: #12141d;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-primary: #00F0FF; /* Quantum Blue */
    --color-primary-glow: rgba(0, 240, 255, 0.4);
    --color-accent: #E6B31E; /* Brass Gold */
    --color-accent-glow: rgba(230, 179, 30, 0.3);
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    color: #ffffff;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Typography */
.highlight-gold {
    color: var(--color-accent);
    text-shadow: 0 0 15px var(--color-accent-glow);
}

.highlight-cyan {
    color: var(--color-primary);
    text-shadow: 0 0 15px var(--color-primary-glow);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 240, 255, 0.1);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-glow);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(9, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.navbar .logo span { color: var(--color-primary); }

.navbar nav { display: flex; align-items: center; gap: 2rem; }
.navbar nav a {
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}
.navbar nav a:hover:not(.btn-primary) {
    color: var(--color-primary);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0088ff 100%);
    color: #000 !important;
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
    box-shadow: 0 0 20px var(--color-primary-glow);
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--color-primary-glow);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    padding: 0.75rem 1.75rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition-smooth);
    display: inline-block;
}
.btn-secondary:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.05);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 5%;
    overflow: hidden;
    background: radial-gradient(circle at 70% 50%, rgba(230, 179, 30, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 30% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 40%);
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" opacity="0.03"><line x1="0" y1="0" x2="100" y2="100" stroke="white" stroke-width="1"/></svg>') repeat;
    z-index: -1;
}

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

.subheading {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.main-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

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

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

/* Sections */
section:not(.hero) {
    padding: 8rem 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
}

.section-title.text-center p {
    margin: 0 auto;
}

/* Vision Statement */
.vision-statement {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    padding: 6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.vision-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.vision-text {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Stats Dashboard */
.stats-dashboard {
    background: var(--color-bg-alt);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 3rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.04);
}

.stat-card:hover::before { opacity: 1; }

.stat-card h3 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat-card h3.highlight-glow {
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.stat-card p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* Grid & Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

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

.feature-card p {
    color: var(--color-text-muted);
}

/* Showcase Sections */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.project-showcase.reverse .split-layout {
    direction: rtl;
}

.project-showcase.reverse .showcase-content {
    direction: ltr;
}

.showcase-content h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.showcase-content h3 {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-bottom: 2rem;
}

.module-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(0, 240, 255, 0.03);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 8px 8px 0;
}

.module-box h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.module-box p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.waveform-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(9, 10, 15, 0.9) 100%);
    pointer-events: none;
}

ul.feature-list {
    margin-top: 1.5rem;
    list-style: none;
}

ul.feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-muted);
}

ul.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}
ul.feature-list strong {
    color: #fff;
}

/* CTA & Footer */
.cta-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* About Lab Section */
.about-lab {
    background: radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.03) 0%, transparent 50%);
}

.mission-statement {
    max-width: 900px !important;
    margin: 2rem auto !important;
    font-size: 1.25rem !important;
    line-height: 1.8;
}

.research-focus {
    margin-top: 6rem;
}

.image-caption {
    padding: 1rem;
    background: rgba(0,0,0,0.6);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.methodological-pillars {
    margin: 8rem 0;
}

.methodological-pillars h3 {
    font-size: 2rem;
    margin-bottom: 4rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.pillar-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2.5rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.pillar-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.05);
    border-color: var(--color-primary-glow);
}

.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.pillar-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.pillar-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.leadership-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

.leader {
    border-left: 2px solid var(--color-accent);
    padding-left: 1.5rem;
}

.leader strong {
    display: block;
    font-size: 1.25rem;
    margin: 0.25rem 0;
    color: #fff;
}

.leader .role {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    font-weight: 700;
}

.leader p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.impact-text {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-link {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.2rem;
    border-bottom: 2px solid transparent;
    transition: var(--transition-smooth);
}

.contact-link:hover {
    border-color: var(--color-primary);
    transform: translateX(5px);
}

/* Animations (Intersection Observer Targets) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .split-layout { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; }
    .project-showcase.reverse .split-layout,
    .leadership-impact.reverse .split-layout { direction: ltr; }
    .leadership-grid { grid-template-columns: 1fr; }
}