/* ============================================================
   APEX AI HEALTHCARE INNOVATION ACADEMY - STYLES
   Theme: Deep sapphire, neon cyan & emerald, glassmorphism, sci-fi
   ============================================================ */

/* -------------------- CSS VARIABLES -------------------- */
:root {
    /* Palette */
    --color-bg-deep: #020617;
    --color-bg-surface: #0b1021;
    --color-bg-elevated: #111936;
    --color-sapphire: #0f1a33;
    --color-cyan: #00d4ff;
    --color-cyan-glow: rgba(0, 212, 255, 0.35);
    --color-emerald: #00ffcc;
    --color-emerald-glow: rgba(0, 255, 204, 0.35);
    --color-emerald-dark: #10b981;
    --color-purple: #a855f7;
    --color-amber: #f59e0b;
    --color-text-primary: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: rgba(0, 212, 255, 0.12);
    --color-border-strong: rgba(0, 212, 255, 0.25);
    --color-glass-bg: rgba(15, 23, 42, 0.65);
    --color-glass-border: rgba(0, 212, 255, 0.15);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-gap: 140px;
    --container-max: 1280px;
    --container-padding: clamp(1.25rem, 4vw, 3rem);
}

/* -------------------- RESET & BASE -------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-deep);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img, svg {
    display: block;
    max-width: 100%;
}

ul { list-style: none; }

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--color-cyan); border-radius: 4px; }

::selection {
    background: var(--color-cyan);
    color: var(--color-bg-deep);
}

/* -------------------- UTILITIES -------------------- */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* -------------------- NAVIGATION -------------------- */
.main-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: 80px;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.main-nav.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 1001;
}

.logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    animation: logoPulse 4s ease-in-out infinite;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-primary {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.08em;
    color: var(--color-emerald);
    text-shadow: 0 0 12px var(--color-emerald-glow);
}

.logo-secondary {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--color-text-primary);
}

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

.nav-cta {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    padding: 10px 24px;
    border: 1.5px solid var(--color-cyan);
    color: var(--color-cyan);
    background: transparent;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    transition: all 0.35s ease;
    z-index: 1;
}

.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-emerald));
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: -1;
}

.nav-cta:hover {
    color: var(--color-bg-deep);
    border-color: transparent;
}

.nav-cta:hover::before {
    opacity: 1;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
    padding: 5px;
}

.mobile-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) { opacity: 0; }

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-inner {
    text-align: center;
}

.mobile-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.mobile-links a {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s ease;
}

.mobile-links a:hover {
    transform: scale(1.05);
}

.mobile-cta {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    padding: 14px 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-emerald));
    color: var(--color-bg-deep);
}

/* -------------------- HERO SECTION -------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 70%, rgba(0, 255, 204, 0.06) 0%, transparent 60%),
        linear-gradient(180deg, var(--color-bg-deep) 0%, #080f26 50%, var(--color-bg-deep) 100%);
}

.particle-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.7;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
    padding-top: 5vh;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    border-radius: 50px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid var(--color-border);
    margin-bottom: 32px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--color-cyan);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-emerald);
    box-shadow: 0 0 10px var(--color-emerald-glow);
    animation: pulseDot 2s ease-in-out infinite;
}

.hero-headline {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.5rem, 5.5vw, 5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: 24px;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.15);
}

.hero-headline .line-1,
.hero-headline .line-2,
.hero-headline .line-3 {
    display: block;
}

.hero-headline .accent {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    max-width: 560px;
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
    padding: 16px 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-emerald));
    color: var(--color-bg-deep);
    box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3), 0 0 0 1px rgba(0, 212, 255, 0.5) inset;
    transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45), 0 0 0 1px rgba(0, 212, 255, 0.6) inset;
    filter: brightness(1.1);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
    padding: 16px 36px;
    border-radius: 8px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid var(--color-border-strong);
    color: var(--color-cyan);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2rem;
    color: var(--color-emerald);
    text-shadow: 0 0 12px var(--color-emerald-glow);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-emerald);
    margin-left: 2px;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-top: 6px;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--color-border-strong), transparent);
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    z-index: 1;
    width: 500px;
    height: 500px;
    pointer-events: none;
}

.holographic-interface {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.interface-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
}

.ring-1 {
    width: 320px; height: 320px;
    border-color: rgba(0, 212, 255, 0.15);
    animation: rotateRing 20s linear infinite;
}

.ring-2 {
    width: 260px; height: 260px;
    border-color: rgba(0, 255, 204, 0.1);
    animation: rotateRing 15s linear infinite reverse;
}

.ring-3 {
    width: 400px; height: 400px;
    border-color: rgba(0, 212, 255, 0.07);
    border-style: dashed;
    animation: rotateRing 30s linear infinite;
}

.interface-core {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.core-pulse {
    width: 160px;
    height: 160px;
    animation: corePulse 3s ease-in-out infinite;
}

.core-label {
    position: absolute;
    text-align: center;
}

.label-title {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--color-cyan);
    margin-bottom: 2px;
}

.label-status {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--color-emerald);
    animation: statusBlink 2s ease-in-out infinite;
}

.vitals-stream {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    white-space: nowrap;
}

.vital-tag {
    color: var(--color-cyan);
    opacity: 0.6;
}

/* Floating Panels */
.floating-panels {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.panel {
    position: absolute;
    background: rgba(11, 16, 33, 0.85);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 212, 255, 0.05) inset;
    animation: floatPanel 6s ease-in-out infinite;
}

.panel-diagnostics {
    top: 10%;
    left: -10%;
    width: 220px;
    animation-delay: 0s;
}

.panel-imaging {
    bottom: 15%;
    right: -5%;
    width: 200px;
    animation-delay: -3s;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.panel-icon {
    display: flex;
    align-items: center;
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    flex: 1;
}

.panel-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-emerald);
    box-shadow: 0 0 6px var(--color-emerald);
    animation: indicatorPulse 2s ease-in-out infinite;
}

.panel-indicator.blue { background: var(--color-cyan); box-shadow: 0 0 6px var(--color-cyan); }

.panel-body { display: flex; flex-direction: column; gap: 6px; }

.scan-value {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.scan-unit {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.scan-progress {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.05);
    border-radius: 2px;
    overflow: hidden;
}

.scan-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-emerald), var(--color-cyan));
    border-radius: 2px;
    animation: progressFill 3s ease-out infinite alternate;
}

.scan-progress.blue .scan-fill { background: linear-gradient(90deg, var(--color-cyan), var(--color-purple)); }

.scan-detail {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--color-text-muted);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 4px;
    height: 6px;
    background: var(--color-cyan);
    border-radius: 2px;
    animation: scrollWheel 1.8s ease-in-out infinite;
}

/* -------------------- SECTION HEADERS -------------------- */
.section-header {
    margin-bottom: 72px;
}

.section-header.centered { text-align: center; }

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-cyan);
    margin-bottom: 16px;
    position: relative;
}

.section-eyebrow::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), transparent);
    margin-top: 8px;
}

.section-header.centered .section-eyebrow::after {
    margin: 8px auto 0;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 640px;
}

.section-header.centered .section-subtitle { margin: 0 auto; }

/* -------------------- SYSTEMS SECTION -------------------- */
.systems {
    padding: var(--section-gap) 0;
    background:
        radial-gradient(ellipse at 10% 20%, rgba(0, 212, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(0, 255, 204, 0.03) 0%, transparent 50%);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.system-card {
    position: relative;
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    border-radius: 20px;
    padding: 36px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.system-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), transparent, rgba(0, 255, 204, 0.1));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.system-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-strong);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.08);
}

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

.card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--color-emerald-glow), transparent 70%);
    pointer-events: none;
    opacity: 0.5;
}

.card-glow.blue { background: radial-gradient(circle, var(--color-cyan-glow), transparent 70%); }
.card-glow.emerald { background: radial-gradient(circle, rgba(16, 185, 129, 0.2), transparent 70%); }

.system-card.featured {
    grid-column: span 1;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.system-card.wide { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(0, 255, 204, 0.08);
    border: 1px solid rgba(0, 255, 204, 0.15);
    margin-bottom: 24px;
}

.card-icon.blue {
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.15);
}

.card-icon.emerald {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.15);
}

.system-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--color-text-primary);
}

.system-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.card-features li {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    position: relative;
    padding-left: 20px;
}

.card-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 2px;
    background: var(--color-cyan);
    border-radius: 1px;
}

.card-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-cyan);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.card-link:hover { gap: 14px; }

/* Visual Grid for Featured Card */
.visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 20px;
}

.grid-cell {
    aspect-ratio: 1;
    border-radius: 8px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.08);
    transition: all 0.3s ease;
}

.grid-cell.active {
    background: rgba(0, 255, 204, 0.12);
    border-color: rgba(0, 255, 204, 0.3);
    box-shadow: 0 0 12px rgba(0, 255, 204, 0.1);
    animation: gridCellPulse 3s ease-in-out infinite;
}

.grid-cell:nth-child(1) { animation-delay: 0s; }
.grid-cell:nth-child(3) { animation-delay: 0.5s; }
.grid-cell:nth-child(5) { animation-delay: 1s; }
.grid-cell:nth-child(6) { animation-delay: 1.5s; }
.grid-cell:nth-child(8) { animation-delay: 2s; }

/* Decision Flow */
.decision-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.node-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.2);
    border: 2px solid var(--color-cyan);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.1);
}

.node-dot.active {
    background: var(--color-emerald);
    border-color: var(--color-emerald);
    box-shadow: 0 0 14px var(--color-emerald-glow);
    animation: nodePulse 2s ease-in-out infinite;
}

.node-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

.flow-line {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
    border-radius: 1px;
    opacity: 0.5;
}

/* -------------------- PROGRAMS SECTION -------------------- */
.programs {
    padding: var(--section-gap) 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.04) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-deep) 0%, #070c20 100%);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.program-card {
    position: relative;
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    border-radius: 20px;
    padding: 32px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.06);
    border-color: var(--color-border-strong);
}

.program-gradient-cyan,
.program-gradient-blue,
.program-gradient-emerald,
.program-gradient-purple {
    position: absolute;
    top: -20%;
    right: -20%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(60px);
    opacity: 0.25;
    transition: opacity 0.4s ease;
}

.program-card:hover [class^="program-gradient-"] { opacity: 0.4; }

.program-gradient-cyan { background: var(--color-cyan); }
.program-gradient-blue { background: var(--color-cyan); opacity: 0.2; }
.program-gradient-emerald { background: var(--color-emerald-dark); }
.program-gradient-purple { background: var(--color-purple); }

.program-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.program-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.04);
    line-height: 1;
    transition: color 0.3s ease;
}

.program-card:hover .program-number { color: rgba(0, 212, 255, 0.15); }

.program-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.12);
}

.program-body { flex: 1; display: flex; flex-direction: column; }

.program-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.program-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.program-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.meta-icon { display: flex; }

.program-modules {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 28px;
}

.program-modules li {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: 16px;
}

.program-modules li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-cyan);
    opacity: 0.6;
}

.program-cta {
    margin-top: auto;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-cyan);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease, color 0.3s ease;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}

.program-cta:hover {
    gap: 14px;
    color: var(--color-emerald);
}

/* -------------------- HEALTH LAB SECTION -------------------- */
.healthlab {
    padding: var(--section-gap) 0;
    background:
        radial-gradient(ellipse at 50% 100%, rgba(0, 255, 204, 0.04) 0%, transparent 50%),
        var(--color-bg-deep);
}

.lab-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 280px;
    gap: 20px;
}

.lab-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease;
}

.lab-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.lab-card.large {
    grid-column: span 2;
    grid-row: span 1;
}

.lab-card.tall {
    grid-row: span 2;
}

.lab-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.lab-gradient {
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.lab-card:hover .lab-gradient { transform: scale(1.08); }

.lab-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(2,6,23,0.95) 0%, rgba(2,6,23,0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    transition: background 0.4s ease;
}

.lab-card:hover .lab-overlay {
    background: linear-gradient(0deg, rgba(2,6,23,0.98) 0%, rgba(2,6,23,0.4) 60%, transparent 100%);
}

.lab-overlay h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.lab-overlay p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    max-width: 400px;
}

.lab-meta {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 2;
}

.lab-category {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-border);
    color: var(--color-cyan);
    backdrop-filter: blur(8px);
}

.lab-tags {
    display: flex;
    gap: 6px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
}

/* -------------------- CTA SECTION -------------------- */
.cta-section {
    padding: 120px 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        var(--color-bg-deep);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}

.cta-section .section-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-quote {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
    position: relative;
    padding-left: 28px;
    border-left: 3px solid;
    border-image: linear-gradient(180deg, var(--color-cyan), var(--color-emerald)) 1;
    margin-bottom: 40px;
}

.cta-join {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
    padding: 18px 42px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-emerald));
    color: var(--color-bg-deep);
    box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-join:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
}

/* DNA Helix Visual */
.dna-helix {
    position: relative;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.dna-strand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.strand-bar {
    width: 60px;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
    opacity: 0.3;
    animation: dnaWave 2s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.15s);
}

.dna-strand.reverse .strand-bar {
    background: linear-gradient(90deg, var(--color-emerald), var(--color-cyan));
    animation-delay: calc(var(--i) * 0.15s + 0.3s);
}

/* -------------------- CONTACT SECTION -------------------- */
.contact {
    padding: var(--section-gap) 0 80px;
    background:
        radial-gradient(ellipse at 80% 10%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        var(--color-bg-deep);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: start;
}

/* Contact Info */
.info-card {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 24px;
    border-radius: 16px;
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-bottom: 16px;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.info-card:hover {
    border-color: var(--color-border-strong);
    transform: translateX(4px);
}

.info-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-body { display: flex; flex-direction: column; gap: 4px; }

.info-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.info-value {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text-primary);
    line-height: 1.5;
}

/* Status Dashboard */
.status-dashboard {
    margin-top: 32px;
    padding: 24px;
    border-radius: 16px;
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dash-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.dash-live {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--color-emerald);
}

.live-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-emerald);
    box-shadow: 0 0 8px var(--color-emerald-glow);
    animation: pulseDot 2s ease-in-out infinite;
}

.dash-metrics { display: flex; flex-direction: column; gap: 16px; }

.metric { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 12px; }

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

.metric-bar {
    height: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 2px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
    animation: metricGrow 2s ease-out forwards;
}

.metric-fill.green { background: linear-gradient(90deg, var(--color-emerald-dark), var(--color-emerald)); }

.metric-value {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-align: right;
}

/* Contact Form */
.contact-form-container {
    padding: 40px;
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 255, 0.05) inset,
        0 0 60px rgba(0, 212, 255, 0.03) inset;
    position: relative;
    overflow: hidden;
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), var(--color-emerald), transparent);
    opacity: 0.4;
}

.contact-form { position: relative; z-index: 1; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(2, 6, 23, 0.5);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    outline: none;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-muted); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), 0 0 20px rgba(0, 212, 255, 0.08);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
    padding: 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-emerald));
    color: var(--color-bg-deep);
    border: none;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.35);
    filter: brightness(1.1);
}

.submit-loader {
    animation: spin 1s linear infinite;
}

.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 0.6s ease-out;
}

.success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 255, 204, 0.08);
    border: 1px solid rgba(0, 255, 204, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.1);
}

.success-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 320px;
}

[hidden] { display: none !important; }

/* -------------------- FOOTER -------------------- */
.main-footer {
    padding: 60px 0 24px;
    background: var(--color-bg-deep);
    border-top: 1px solid var(--color-border);
}

.footer-container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }

.footer-main {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.footer-logo-text span:first-child {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.08em;
    color: var(--color-emerald);
}

.footer-logo-text span:last-child {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    max-width: 280px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.footer-column ul { display: flex; flex-direction: column; gap: 12px; }

.footer-column ul a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.footer-column ul a:hover {
    color: var(--color-cyan);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-social {
    display: flex;
    gap: 18px;
}

.footer-social a {
    color: var(--color-text-muted);
    transition: color 0.3s ease, transform 0.3s ease;
}

.footer-social a:hover {
    color: var(--color-cyan);
    transform: translateY(-2px);
}

/* -------------------- KEYFRAMES -------------------- */
@keyframes logoPulse {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(0, 212, 255, 0.5)); }
    50% { filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.8)); }
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    80% { transform: translateY(8px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

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

@keyframes corePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.85; }
}

@keyframes statusBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes floatPanel {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes indicatorPulse {
    0%, 100% { box-shadow: 0 0 6px currentColor; }
    50% { box-shadow: 0 0 14px currentColor; }
}

@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes gridCellPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes nodePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes dnaWave {
    0%, 100% { opacity: 0.3; transform: scaleX(1); }
    50% { opacity: 0.8; transform: scaleX(1.3); }
}

@keyframes metricGrow {
    from { width: 0%; }
    to { width: var(--target-width, 100%); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* -------------------- RESPONSIVE -------------------- */
@media (max-width: 1100px) {
    .hero-visual { display: none; }
    .programs-grid { grid-template-columns: repeat(2, 1fr); }
    .lab-masonry { grid-template-columns: repeat(2, 1fr); }
    .lab-card.large { grid-column: span 2; }
}

@media (max-width: 900px) {
    .cta-section .section-container { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; gap: 40px; }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    :root { --section-gap: 100px; }

    .nav-links, .nav-cta { display: none; }
    .mobile-toggle { display: flex; }

    .hero-headline { font-size: clamp(2.2rem, 8vw, 3.5rem); }
    .hero-description { font-size: 1rem; }

    .systems-grid { grid-template-columns: 1fr; }
    .system-card.wide { grid-template-columns: 1fr; }
    .system-card.featured { grid-row: span 1; }

    .programs-grid { grid-template-columns: 1fr; }
    .program-gradient-cyan,
    .program-gradient-blue,
    .program-gradient-emerald,
    .program-gradient-purple { display: none; }

    .lab-masonry {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
    }
    .lab-card.large,
    .lab-card.tall { grid-column: span 1; grid-row: span 1; }

    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .form-row { grid-template-columns: 1fr; gap: 0; }
    .contact-form-container { padding: 28px; }
}

@media (max-width: 480px) {
    .hero-stats { gap: 16px; }
    .stat-divider { display: none; }
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .footer-links { grid-template-columns: 1fr; }
}