/* ═══════════════════════════════════════════
   NEURALNETWORK.LIVE — THE LIVING INTELLIGENCE
   Design System & Global Styles
   ═══════════════════════════════════════════ */

:root {
    /* Neural Color Palette */
    --void: #030108;
    --abyss: #0a0614;
    --deep: #110c20;
    --surface: #1a1230;
    --elevated: #241a40;
    
    --cyan: #00f0ff;
    --cyan-dim: #00a0b0;
    --cyan-glow: rgba(0, 240, 255, 0.15);
    --magenta: #f040ff;
    --magenta-dim: #a020c0;
    --magenta-glow: rgba(240, 64, 255, 0.15);
    --violet: #7b2fff;
    --violet-glow: rgba(123, 47, 255, 0.15);
    --gold: #ffb800;
    
    --text-primary: #e8e4f0;
    --text-secondary: #9088a8;
    --text-dim: #5a5070;
    
    --gradient-main: linear-gradient(135deg, var(--cyan), var(--magenta));
    --gradient-card: linear-gradient(145deg, rgba(26, 18, 48, 0.8), rgba(10, 6, 20, 0.9));
    --gradient-glow: radial-gradient(circle, var(--cyan-glow), transparent 70%);
    
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══ Reset & Base ═══ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan-dim) var(--void);
}

body {
    font-family: var(--font-body);
    background: var(--void);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 3px; }

a { color: var(--cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--magenta); }

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

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ═══ Neural Canvas Background ═══ */
#neuralCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    opacity: 0.6;
}

/* ═══ Cursor Glow ═══ */
#cursorGlow {
    position: fixed;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.06), transparent 60%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* ═══ Navigation ═══ */
#mainNav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    backdrop-filter: blur(0px);
}

#mainNav.scrolled {
    padding: 10px 0;
    background: rgba(3, 1, 8, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.08);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-icon {
    font-size: 1.6rem;
    color: var(--cyan);
    filter: drop-shadow(0 0 8px var(--cyan));
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { filter: drop-shadow(0 0 8px var(--cyan)); }
    50% { filter: drop-shadow(0 0 16px var(--cyan)) drop-shadow(0 0 32px var(--cyan-glow)); }
}

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

.nav-links { display: flex; gap: 32px; align-items: center; }

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1px;
    background: var(--gradient-main);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover { color: var(--cyan); }
.nav-link:hover::after { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(3, 1, 8, 0.95);
    backdrop-filter: blur(30px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
}

.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-menu-inner { display: flex; flex-direction: column; gap: 24px; text-align: center; }

.mobile-link {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    transition: var(--transition);
}

.mobile-link:hover { color: var(--cyan); text-shadow: 0 0 30px var(--cyan-glow); }

/* ═══ Hero Section ═══ */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 24px 60px;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--cyan);
    margin-bottom: 40px;
    background: rgba(0, 240, 255, 0.03);
    animation: fadeInUp 0.8s ease-out;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 28px;
}

.title-line {
    display: block;
    font-size: clamp(3rem, 8vw, 7rem);
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease-out both;
}

.title-line.title-accent {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px var(--cyan-glow));
    animation-delay: 0.2s;
}

.hero-subtitle {
    max-width: 640px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-subtitle em {
    color: var(--cyan);
    font-style: normal;
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--void);
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--cyan-glow), 0 8px 32px var(--magenta-glow);
    color: var(--void);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-glow);
}

.btn-full { width: 100%; justify-content: center; }

.btn-icon { transition: transform 0.3s; }
.btn:hover .btn-icon { transform: translateX(4px); }

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

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

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cyan);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-dim);
    margin-left: 2px;
}

.stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
    letter-spacing: 1px;
    margin-top: 4px;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, transparent, var(--text-dim), transparent);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 0.65rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease-out 1.2s both;
}

.scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--cyan), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ═══ Sections ═══ */
.section {
    padding: 120px 0;
    position: relative;
}

.section-dark { background: rgba(0, 0, 0, 0.3); }

.section-header { margin-bottom: 64px; }
.section-header.center { text-align: center; }

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--cyan);
    letter-spacing: 3px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 1px;
}

.text-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    max-width: 560px;
    margin: 16px auto 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* ═══ About Section ═══ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-lead {
    font-size: 1.2rem;
    line-height: 1.9;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text strong { color: var(--cyan); font-weight: 600; }

/* Brain Visualization */
.about-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.brain-visualization {
    width: 280px; height: 280px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brain-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    animation: ringRotate linear infinite;
}

.ring-1 {
    width: 100%; height: 100%;
    border-color: rgba(0, 240, 255, 0.2);
    animation-duration: 20s;
}

.ring-2 {
    width: 75%; height: 75%;
    border-color: rgba(240, 64, 255, 0.2);
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-3 {
    width: 50%; height: 50%;
    border-color: rgba(123, 47, 255, 0.2);
    animation-duration: 10s;
}

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

.brain-core {
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 20px var(--cyan), 0 0 60px var(--cyan-glow);
    animation: corePulse 3s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 20px var(--cyan), 0 0 60px var(--cyan-glow); }
    50% { transform: scale(1.3); box-shadow: 0 0 30px var(--cyan), 0 0 100px var(--cyan-glow); }
}

.brain-pulse {
    position: absolute;
    width: 100%; height: 100%;
    border-radius: 50%;
    border: 1px solid rgba(0, 240, 255, 0.3);
    animation: brainPulseOut 3s ease-out infinite;
}

@keyframes brainPulseOut {
    0% { transform: scale(0.3); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.about-metrics { display: flex; flex-direction: column; gap: 20px; width: 100%; }

.metric {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--gradient-card);
    border: 1px solid rgba(0, 240, 255, 0.08);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.metric:hover {
    border-color: rgba(0, 240, 255, 0.2);
    transform: translateX(4px);
}

.metric-icon { font-size: 1.4rem; color: var(--cyan); }
.metric-value { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--text-primary); display: block; }
.metric-label { font-size: 0.8rem; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 0.5px; }

/* ═══ Capabilities ═══ */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.capability-card {
    position: relative;
    padding: 40px 32px;
    background: var(--gradient-card);
    border: 1px solid rgba(0, 240, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    overflow: hidden;
}

.capability-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 240, 255, 0.2);
}

.card-glow {
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at center, var(--cyan-glow), transparent 60%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.capability-card:hover .card-glow { opacity: 1; }

.card-number {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.card-icon {
    width: 48px; height: 48px;
    color: var(--cyan);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px var(--cyan-glow));
}

.card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.card-tags li {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 4px 10px;
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 100px;
    color: var(--cyan-dim);
    letter-spacing: 0.5px;
}

/* ═══ Architecture ═══ */
.architecture-flow {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.arch-step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    padding-bottom: 48px;
    position: relative;
}

.arch-node {
    flex-shrink: 0;
    width: 56px; height: 56px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--abyss);
}

.node-pulse {
    position: absolute;
    width: 100%; height: 100%;
    border-radius: 50%;
    border: 1px solid var(--cyan);
    animation: nodePulse 3s ease-out infinite;
}

@keyframes nodePulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(2); opacity: 0; }
}

.node-number {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--cyan);
}

.arch-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.arch-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.arch-connector {
    position: absolute;
    left: 27px;
    top: 56px;
    width: 2px;
    height: calc(100% - 56px);
    background: linear-gradient(to bottom, var(--cyan), transparent);
    opacity: 0.2;
}

.arch-step:last-child .arch-connector { display: none; }

/* ═══ Ecosystem ═══ */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.eco-card {
    padding: 36px 28px;
    background: var(--gradient-card);
    border: 1px solid rgba(0, 240, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.eco-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform 0.4s;
    transform-origin: left;
}

.eco-card:hover { transform: translateY(-4px); border-color: rgba(0, 240, 255, 0.15); }
.eco-card:hover::before { transform: scaleX(1); }

.eco-icon { font-size: 2rem; margin-bottom: 16px; display: block; }
.eco-card h3 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; letter-spacing: 0.5px; }
.eco-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* ═══ Research ═══ */
.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.research-card {
    padding: 36px 32px;
    background: var(--gradient-card);
    border: 1px solid rgba(0, 240, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.research-card:hover { border-color: rgba(0, 240, 255, 0.2); transform: translateY(-2px); }

.research-card.large { grid-column: span 2; }

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

.research-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 3px 10px;
    background: var(--cyan-glow);
    color: var(--cyan);
    border-radius: 100px;
    letter-spacing: 1.5px;
}

.research-date { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); }

.research-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    letter-spacing: 0.3px;
}

.research-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 16px; }

.research-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--cyan);
    letter-spacing: 1px;
}

.research-link:hover { color: var(--magenta); }

/* ═══ Contact ═══ */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-desc { color: var(--text-secondary); line-height: 1.8; margin: 20px 0 32px; }

.contact-channels { display: flex; flex-direction: column; gap: 20px; }

.channel { display: flex; flex-direction: column; gap: 4px; }
.channel-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim); letter-spacing: 2px; text-transform: uppercase; }
.channel a, .channel span { font-size: 0.95rem; color: var(--text-secondary); }
.channel a:hover { color: var(--cyan); }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 14px 16px;
    background: rgba(26, 18, 48, 0.6);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px var(--cyan-glow);
}

.form-group select { cursor: pointer; }
.form-group select option { background: var(--deep); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ═══ Footer ═══ */
#footer {
    padding: 80px 0 32px;
    border-top: 1px solid rgba(0, 240, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo-text { font-family: var(--font-display); font-size: 1rem; font-weight: 700; }
.footer-tagline { color: var(--text-dim); font-size: 0.9rem; margin-top: 10px; }

.footer-links-group { display: flex; flex-direction: column; gap: 10px; }
.footer-links-group h4 { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; color: var(--text-primary); margin-bottom: 4px; }
.footer-links-group a { font-size: 0.85rem; color: var(--text-dim); }
.footer-links-group a:hover { color: var(--cyan); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-status { display: flex; align-items: center; gap: 8px; }

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #00ff88;
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
    animation: pulse 2s ease-in-out infinite;
}

/* ═══ Animations ═══ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══ Responsive ═══ */
@media (max-width: 1024px) {
    .capabilities-grid, .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .contact-layout { grid-template-columns: 1fr; gap: 48px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    
    .section { padding: 80px 0; }
    
    .hero-stats { flex-direction: column; gap: 20px; }
    .stat-divider { width: 40px; height: 1px; }
    
    .capabilities-grid, .ecosystem-grid { grid-template-columns: 1fr; }
    
    .research-grid { grid-template-columns: 1fr; }
    .research-card.large { grid-column: span 1; }
    
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    
    .arch-step { gap: 20px; }
    .arch-node { width: 44px; height: 44px; }
    .arch-connector { left: 21px; top: 44px; height: calc(100% - 44px); }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title .title-line { font-size: 2.4rem; }
    .section-title { font-size: 1.8rem; }
    .capability-card { padding: 28px 20px; }
}