@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
    --c-void: #07080a;
    --c-surface: #0c0e12;
    --c-surface-raised: #12151b;
    --c-border: #1e222a;
    --c-border-bright: #2a3040;
    --c-text: #c8cdd6;
    --c-text-dim: #6b7280;
    --c-text-bright: #eef0f4;
    --c-accent: #00e5a0;
    --c-accent-dim: #00e5a020;
    --c-accent-mid: #00e5a050;
    --c-accent-glow: #00e5a0cc;
    --c-danger: #ff3c5f;
    --c-warn: #ffa726;
    --c-cyan: #00d4ff;
    --c-purple: #a855f7;
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Chakra Petch', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --grid-unit: 8px;
    --parallax-speed: 0.5;
    --scan-opacity: 0.03;
    --noise-opacity: 0.04;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--c-accent) var(--c-void);
}

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

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 229, 160, var(--scan-opacity)) 2px,
        rgba(0, 229, 160, var(--scan-opacity)) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    opacity: var(--noise-opacity);
    pointer-events: none;
    z-index: 9998;
}

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

::selection {
    background: var(--c-accent);
    color: var(--c-void);
}

/* ========== UTILITY ========== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--grid-unit) * 3);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

/* ========== SCROLL ANIMATIONS ========== */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ========== GLITCH ========== */

@keyframes glitch-color-1 {
    0%, 100% { clip-path: inset(40% 0 61% 0); transform: translate(-2px, 2px); }
    20% { clip-path: inset(92% 0 1% 0); transform: translate(1px, -1px); }
    40% { clip-path: inset(43% 0 1% 0); transform: translate(-1px, 3px); }
    60% { clip-path: inset(25% 0 58% 0); transform: translate(3px, 1px); }
    80% { clip-path: inset(54% 0 7% 0); transform: translate(-3px, -2px); }
}

@keyframes glitch-color-2 {
    0%, 100% { clip-path: inset(25% 0 58% 0); transform: translate(2px, -1px); }
    20% { clip-path: inset(54% 0 7% 0); transform: translate(-1px, 2px); }
    40% { clip-path: inset(92% 0 1% 0); transform: translate(1px, -3px); }
    60% { clip-path: inset(40% 0 61% 0); transform: translate(-2px, 1px); }
    80% { clip-path: inset(43% 0 1% 0); transform: translate(3px, -1px); }
}

@keyframes glitch-color-flicker {
    0%, 100% { opacity: 0.5; }
    25% { opacity: 0.7; }
    50% { opacity: 0.3; }
    75% { opacity: 0.6; }
}

.glitch {
    position: relative;
    cursor: default;
}

.glitch.glitch-active {
    will-change: transform;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    z-index: -1;
    transition: opacity 0.15s;
}

.glitch.glitch-active::before {
    color: var(--c-cyan);
    opacity: 0.5;
    animation: glitch-color-1 0.25s linear infinite, glitch-color-flicker 0.4s steps(1) infinite;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.glitch.glitch-active::after {
    color: var(--c-danger);
    opacity: 0.5;
    animation: glitch-color-2 0.25s linear infinite, glitch-color-flicker 0.35s steps(1) infinite reverse;
    text-shadow: 0 0 10px rgba(255, 60, 95, 0.5);
}

.glitch.glitch-fade::before,
.glitch.glitch-fade::after {
    animation: none;
    opacity: 0;
    transition: opacity 0.25s;
}

/* ========== HEADER / NAV ========== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: calc(var(--grid-unit) * 2) 0;
    background: rgba(7, 8, 10, 0.7);
    backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, padding 0.3s, background 0.3s;
}

.site-header.scrolled {
    border-bottom-color: var(--c-border);
    padding: var(--grid-unit) 0;
    background: rgba(7, 8, 10, 0.92);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-text-bright);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border: 2px solid var(--c-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    color: var(--c-accent);
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--c-accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.6); }
}

.nav-links {
    display: none;
    list-style: none;
    gap: calc(var(--grid-unit) * 4);
    align-items: center;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::before {
    content: '//';
    margin-right: 4px;
    color: var(--c-accent);
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    color: var(--c-text-bright);
}

.nav-links a:hover::before {
    opacity: 1;
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--c-accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--c-accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--c-accent-glow);
}

/* ========== HERO ========== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: calc(var(--grid-unit) * 16) 0 calc(var(--grid-unit) * 10);
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 229, 160, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 160, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
}

.hero-glow-1 {
    top: -20%;
    right: -10%;
    background: var(--c-accent);
}

.hero-glow-2 {
    bottom: -30%;
    left: -15%;
    background: var(--c-cyan);
    opacity: 0.08;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border: 1px solid var(--c-accent-mid);
    background: var(--c-accent-dim);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: calc(var(--grid-unit) * 4);
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--c-accent);
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.5rem, 8vw, 6rem);
    line-height: 1;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--c-text-bright);
    margin-bottom: calc(var(--grid-unit) * 2);
}

.hero-title .line {
    display: block;
    overflow: hidden;
}

.hero-title .line span {
    display: block;
    transform: translateY(110%);
    animation: line-reveal 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-title .line:nth-child(2) span { animation-delay: 0.15s; }
.hero-title .line:nth-child(3) span { animation-delay: 0.3s; }

@keyframes line-reveal {
    to { transform: translateY(0); }
}

.hero-title .accent {
    color: var(--c-accent);
    position: relative;
}

.hero-title .thin {
    font-weight: 400;
    color: var(--c-text-dim);
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(0.9rem, 2vw, 1.15rem);
    font-weight: 300;
    color: var(--c-text-dim);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: calc(var(--grid-unit) * 5);
    opacity: 0;
    animation: fade-up 0.8s 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--grid-unit) * 2);
    opacity: 0;
    animation: fade-up 0.8s 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 14px 28px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--c-accent);
    color: var(--c-void);
}

.btn-primary:hover {
    background: var(--c-text-bright);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--c-accent-dim);
}

.btn-ghost {
    background: transparent;
    color: var(--c-text-dim);
    border: 1px solid var(--c-border-bright);
}

.btn-ghost:hover {
    color: var(--c-text-bright);
    border-color: var(--c-text-dim);
    transform: translateY(-2px);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--c-border);
    margin-top: calc(var(--grid-unit) * 8);
    opacity: 0;
    animation: fade-up 0.8s 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.metric {
    background: var(--c-surface);
    padding: calc(var(--grid-unit) * 3);
    text-align: center;
}

.metric-value {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--c-accent);
    letter-spacing: 0.05em;
}

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--c-text-dim);
    margin-top: 4px;
}

/* ========== SECTION COMMON ========== */

section {
    padding: calc(var(--grid-unit) * 12) 0;
    position: relative;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: calc(var(--grid-unit) * 2);
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--c-accent);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--c-text-bright);
    line-height: 1.1;
    margin-bottom: calc(var(--grid-unit) * 2);
}

.section-desc {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--c-text-dim);
    max-width: 560px;
    line-height: 1.8;
    font-weight: 300;
}

/* ========== PARALLAX DIVIDERS ========== */

.parallax-divider {
    height: 40vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.parallax-bg {
    position: absolute;
    inset: -50% 0;
    background-size: cover;
    background-position: center;
    will-change: transform;
}

.parallax-divider-1 .parallax-bg {
    background:
        radial-gradient(circle at 30% 50%, var(--c-accent-dim) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--c-void) 0%, var(--c-surface) 50%, var(--c-void) 100%);
}

.parallax-divider-2 .parallax-bg {
    background:
        radial-gradient(circle at 60% 40%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 20% 70%, var(--c-accent-dim) 0%, transparent 40%),
        linear-gradient(180deg, var(--c-void) 0%, var(--c-surface) 50%, var(--c-void) 100%);
}

.parallax-text {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3vw, 1.5rem);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    opacity: 0.4;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    will-change: transform;
}

/* ========== EXPERIMENTS / PROJECTS ========== */

.experiments-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
    margin-top: calc(var(--grid-unit) * 6);
}

.experiment-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    padding: calc(var(--grid-unit) * 4);
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.experiment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--c-accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.experiment-card:hover {
    border-color: var(--c-border-bright);
    background: var(--c-surface-raised);
    transform: translateX(4px);
}

.experiment-card:hover::before {
    transform: scaleY(1);
}

.experiment-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: calc(var(--grid-unit) * 2);
}

.experiment-id {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-accent);
    opacity: 0.7;
}

.experiment-status {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 3px 10px;
    border: 1px solid;
}

.status-active { color: var(--c-accent); border-color: var(--c-accent-mid); }
.status-beta { color: var(--c-warn); border-color: rgba(255, 167, 38, 0.3); }
.status-prototype { color: var(--c-cyan); border-color: rgba(0, 212, 255, 0.3); }
.status-archive { color: var(--c-text-dim); border-color: var(--c-border); }

.experiment-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--c-text-bright);
    margin-bottom: 8px;
}

.experiment-desc {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    line-height: 1.7;
    margin-bottom: calc(var(--grid-unit) * 2);
}

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

.tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.05em;
    padding: 3px 10px;
    background: var(--c-accent-dim);
    color: var(--c-text-dim);
    border: 1px solid var(--c-border);
}

/* ========== CAPABILITIES ========== */

.capabilities-wrapper {
    margin-top: calc(var(--grid-unit) * 6);
}

.capability-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-bottom: 1px solid var(--c-border);
    padding: calc(var(--grid-unit) * 4) 0;
    transition: all 0.3s;
}

.capability-row:first-child {
    border-top: 1px solid var(--c-border);
}

.capability-row:hover {
    background: var(--c-surface);
    padding-left: calc(var(--grid-unit) * 2);
}

.capability-index {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--c-accent);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.capability-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--c-text-bright);
    margin-bottom: 8px;
}

.capability-desc {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    line-height: 1.7;
}

/* ========== TERMINAL SECTION ========== */

.terminal-section {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

.terminal-window {
    background: var(--c-void);
    border: 1px solid var(--c-border-bright);
    overflow: hidden;
    margin-top: calc(var(--grid-unit) * 4);
}

.terminal-chrome {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--c-border-bright);
}

.terminal-dot:nth-child(1) { background: var(--c-danger); }
.terminal-dot:nth-child(2) { background: var(--c-warn); }
.terminal-dot:nth-child(3) { background: var(--c-accent); }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--c-text-dim);
    letter-spacing: 0.05em;
    margin-left: auto;
}

.terminal-body {
    padding: calc(var(--grid-unit) * 3);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 2;
    min-height: 200px;
}

.terminal-line {
    opacity: 0;
    transform: translateX(-10px);
}

.terminal-line.typed {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.terminal-prompt {
    color: var(--c-accent);
}

.terminal-cmd {
    color: var(--c-text-bright);
}

.terminal-output {
    color: var(--c-text-dim);
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--c-accent);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ========== MANIFESTO ========== */

.manifesto {
    text-align: center;
    padding: calc(var(--grid-unit) * 16) 0;
}

.manifesto-quote {
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 4vw, 2.4rem);
    font-weight: 300;
    color: var(--c-text-bright);
    line-height: 1.5;
    max-width: 800px;
    margin: 0 auto calc(var(--grid-unit) * 4);
    font-style: italic;
}

.manifesto-quote .highlight {
    color: var(--c-accent);
    font-style: normal;
    font-weight: 600;
}

.manifesto-attr {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-text-dim);
}

/* ========== FOOTER ========== */

.site-footer {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    padding: calc(var(--grid-unit) * 8) 0 calc(var(--grid-unit) * 4);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--grid-unit) * 6);
    padding-bottom: calc(var(--grid-unit) * 6);
    border-bottom: 1px solid var(--c-border);
    margin-bottom: calc(var(--grid-unit) * 4);
}

.footer-brand .logo {
    margin-bottom: calc(var(--grid-unit) * 2);
}

.footer-tagline {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--c-text-dim);
    font-weight: 300;
    line-height: 1.7;
    max-width: 300px;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--grid-unit) * 4);
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-text-bright);
    margin-bottom: calc(var(--grid-unit) * 2);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--c-accent);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: calc(var(--grid-unit) * 2);
    align-items: center;
    text-align: center;
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--c-text-dim);
    letter-spacing: 0.05em;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--c-border);
    color: var(--c-text-dim);
    text-decoration: none;
    font-size: 0.75rem;
    transition: all 0.3s;
}

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

/* ========== RESPONSIVE ========== */

@media (min-width: 640px) {
    .experiments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 calc(var(--grid-unit) * 6);
    }

    .nav-links {
        display: flex;
    }

    .capability-row {
        grid-template-columns: 80px 200px 1fr;
        align-items: center;
        gap: calc(var(--grid-unit) * 4);
    }

    .capability-index {
        margin-bottom: 0;
    }

    .capability-name {
        margin-bottom: 0;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    section {
        padding: calc(var(--grid-unit) * 18) 0;
    }

    .hero {
        padding: calc(var(--grid-unit) * 20) 0 calc(var(--grid-unit) * 12);
    }

    .experiments-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .experiment-card {
        padding: calc(var(--grid-unit) * 5);
    }

    .footer-top {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .footer-links-grid {
        grid-template-columns: 1fr;
    }

    .parallax-divider {
        height: 50vh;
    }
}

/* ========== PROGRESS BAR ========== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--c-accent);
    z-index: 10000;
    transform-origin: left;
    transform: scaleX(0);
    box-shadow: 0 0 10px var(--c-accent-glow);
}

/* ========== FLOATING PARTICLES ========== */

.particles-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

/* ========== HORIZONTAL SCROLL TICKER ========== */

.ticker-strip {
    overflow: hidden;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    padding: calc(var(--grid-unit) * 2) 0;
    background: var(--c-surface);
}

.ticker-track {
    display: flex;
    width: max-content;
    animation: ticker 30s linear infinite;
}

.ticker-track:hover {
    animation-play-state: paused;
}

@keyframes ticker {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.ticker-item {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    white-space: nowrap;
    padding: 0 calc(var(--grid-unit) * 4);
    display: flex;
    align-items: center;
    gap: calc(var(--grid-unit) * 4);
}

.ticker-item::after {
    content: '\2022';
    color: var(--c-accent);
    font-size: 0.5rem;
}