/* ═══════════════════════════════════════════
   AQUILIX — Design System
   ═══════════════════════════════════════════ */

:root {
    --bg-primary: #050a14;
    --bg-secondary: #0a1628;
    --bg-card: rgba(10, 22, 40, 0.7);
    --bg-card-hover: rgba(15, 30, 55, 0.85);

    --primary: #00e5c8;
    --primary-dim: rgba(0, 229, 200, 0.15);
    --primary-glow: rgba(0, 229, 200, 0.3);
    --secondary: #c471f5;
    --accent-amber: #f5a623;
    --accent-red: #f55050;
    --accent-green: #50f590;
    --accent-blue: #5090f5;

    --text-primary: #e8ecf2;
    --text-secondary: rgba(232, 236, 242, 0.65);
    --text-muted: rgba(232, 236, 242, 0.35);

    --border: rgba(0, 229, 200, 0.12);
    --border-hover: rgba(0, 229, 200, 0.3);

    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.06);

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;

    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--text-primary);
}

img {
    max-width: 100%;
}

/* ═══ Typography ═══ */
h1,
h2,
h3 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.02em;
}

h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 4rem;
    font-size: 1.1rem;
}

/* ═══ Glass Card ═══ */
.glass {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all var(--transition);
}

.glass:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 229, 200, 0.06);
}

/* ═══ Buttons ═══ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary);
    color: var(--primary);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

.btn-filled {
    background: var(--primary);
    color: var(--bg-primary);
}

.btn-filled:hover {
    background: #00ffd8;
    color: var(--bg-primary);
    box-shadow: 0 0 40px var(--primary-glow);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* ═══ Particle Background ═══ */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 3rem;
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

header.scrolled {
    background: rgba(5, 10, 20, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
    padding: 0.8rem 3rem;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.15em;
    color: var(--primary);
}

nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

nav a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    letter-spacing: 0.02em;
}

nav a:hover {
    color: var(--text-primary);
}

nav .nav-cta {
    padding: 0.6rem 1.4rem;
    font-size: 0.8rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
    transform-origin: center;
}

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

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

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

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
main {
    position: relative;
    z-index: 1;
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 6rem 6rem;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 640px;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    background: var(--primary-dim);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 1.5rem 0 2.5rem;
    max-width: 520px;
    line-height: 1.8;
}

.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero Visual — Floating Metrics */
.hero-visual {
    flex: 1;
    max-width: 480px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

.orb {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%,
            rgba(0, 229, 200, 0.12) 0%,
            rgba(196, 113, 245, 0.08) 50%,
            transparent 70%);
    filter: blur(40px);
    animation: orbPulse 6s ease-in-out infinite;
}

@keyframes orbPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.15);
        opacity: 0.9;
    }
}

.hero-metrics {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.metric-float {
    position: absolute;
    padding: 1rem 1.4rem;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    animation: metricFloat 4s ease-in-out infinite;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.metric-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.m1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.m2 {
    top: 5%;
    right: 10%;
    animation-delay: 1s;
}

.m3 {
    bottom: 20%;
    left: 0%;
    animation-delay: 2s;
}

.m4 {
    bottom: 10%;
    right: 5%;
    animation-delay: 3s;
}

@keyframes metricFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

/* ═══════════════════════════════════════════
   SOCIAL PROOF BAR
   ═══════════════════════════════════════════ */
#proof {
    padding: 0 4rem;
    margin-bottom: 4rem;
}

.proof-bar {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 2rem 3rem;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    text-align: center;
}

.proof-number {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.05em;
}

.proof-text {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.proof-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ═══════════════════════════════════════════
   HOW IT WORKS — 4 Steps
   ═══════════════════════════════════════════ */
#how-it-works {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step {
    display: flex;
    gap: 2.5rem;
    padding: 2.5rem 0;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-dim);
    min-width: 80px;
    line-height: 1;
    padding-top: 0.3rem;
    background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.35;
}

.step-content {
    flex: 1;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.step-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--primary-dim);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary);
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.step-content>p {
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 1.5rem;
}

.step-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
    margin-left: 39px;
    opacity: 0.25;
}

/* ─── Step Mockups ─── */
.step-mockup {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

/* Signal cards */
.mock-signal {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    transition: all var(--transition);
}

.mock-signal:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.signal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.signal-dot.tech {
    background: var(--accent-blue);
    box-shadow: 0 0 8px var(--accent-blue);
}

.signal-dot.market {
    background: var(--accent-amber);
    box-shadow: 0 0 8px var(--accent-amber);
}

.signal-dot.regulation {
    background: var(--secondary);
    box-shadow: 0 0 8px var(--secondary);
}

.signal-body {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex: 1;
    min-width: 0;
}

.signal-tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 65px;
}

.signal-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.signal-time {
    font-size: 0.72rem;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: auto;
}

/* Insight card */
.mock-insight {
    padding: 1.2rem 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--accent-amber);
    border-left: 3px solid var(--accent-amber);
    border-radius: var(--radius-sm);
}

.insight-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.7rem;
}

.insight-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
}

.insight-badge.critical {
    background: rgba(245, 166, 35, 0.15);
    color: var(--accent-amber);
}

.insight-confidence {
    font-size: 0.78rem;
    color: var(--accent-green);
    font-weight: 600;
}

.insight-text {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 0.7rem;
}

.insight-sources {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Roadmap mockup */
.mock-roadmap {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.roadmap-item {
    width: 100%;
}

.roadmap-bar {
    height: 34px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    padding: 0 0.8rem;
    font-size: 0.78rem;
    font-weight: 500;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.roadmap-bar span {
    white-space: nowrap;
}

.bar-done {
    background: linear-gradient(90deg, var(--primary-dim) 0%, rgba(0, 229, 200, 0.08) 100%);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.bar-progress {
    background: linear-gradient(90deg, rgba(196, 113, 245, 0.15) 0%, rgba(196, 113, 245, 0.05) 100%);
    border: 1px solid var(--secondary);
    color: var(--secondary);
}

.bar-planned {
    background: linear-gradient(90deg, rgba(80, 144, 245, 0.15) 0%, rgba(80, 144, 245, 0.05) 100%);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
}

/* Alert mockup */
.mock-alerts {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.alert-icon {
    font-size: 1rem;
    flex-shrink: 0;
    line-height: 1.4;
}

.alert-text {
    color: var(--text-primary);
    line-height: 1.5;
}

.alert-critical {
    background: rgba(245, 80, 80, 0.08);
    border: 1px solid rgba(245, 80, 80, 0.25);
}

.alert-critical .alert-icon {
    color: var(--accent-red);
}

.alert-success {
    background: rgba(80, 245, 144, 0.06);
    border: 1px solid rgba(80, 245, 144, 0.2);
}

.alert-success .alert-icon {
    color: var(--accent-green);
}

.alert-info {
    background: rgba(80, 144, 245, 0.06);
    border: 1px solid rgba(80, 144, 245, 0.2);
}

.alert-info .alert-icon {
    color: var(--accent-blue);
}

/* ═══════════════════════════════════════════
   CAPABILITIES GRID
   ═══════════════════════════════════════════ */
#capabilities {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.capability-card {
    padding: 2rem;
}

.cap-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-dim);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
}

.cap-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

.capability-card h3 {
    margin-bottom: 0.6rem;
}

.capability-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ═══════════════════════════════════════════
   PERSONAS
   ═══════════════════════════════════════════ */
#personas {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.persona-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.persona-card {
    padding: 2rem;
    text-align: center;
}

.persona-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-dim);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem;
}

.persona-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--primary);
}

.persona-card h3 {
    margin-bottom: 0.6rem;
    font-size: 1.05rem;
}

.persona-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ═══════════════════════════════════════════
   DIFFERENTIATORS
   ═══════════════════════════════════════════ */
#differentiators {
    padding: 6rem 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.diff-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.diff-item {
    padding: 1.2rem 1.6rem;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}

.diff-item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.diff-vs {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.diff-them {
    color: var(--text-muted);
    font-size: 0.9rem;
    min-width: 200px;
    text-decoration: line-through;
    text-decoration-color: rgba(245, 80, 80, 0.4);
}

.diff-arrow {
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.diff-us {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ═══════════════════════════════════════════
   CONTACT FORM
   ═══════════════════════════════════════════ */
#contact {
    padding: 6rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.cf-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.cf-item svg {
    stroke: var(--primary);
    flex-shrink: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: all var(--transition);
    outline: none;
}

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

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300e5c8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-submit {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
}

/* Form success */
.form-success {
    text-align: center;
    padding: 2rem;
}

.form-success .checkmark {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-dim);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--primary);
}

.form-success h3 {
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--text-secondary);
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 4rem 4rem 2rem;
    max-width: 1200px;
    margin: 4rem auto 0;
}

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

.footer-brand .logo {
    margin-bottom: 0.8rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.footer-location {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-col h4 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.footer-col a {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.copyright {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: center;
}

/* ═══════════════════════════════════════════
   ANIMATIONS & REVEALS
   ═══════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Staggered step reveals */
.step.visible .mock-signal,
.step.visible .mock-insight,
.step.visible .mock-roadmap,
.step.visible .mock-alerts {
    animation: slideInFromRight 0.6s ease forwards;
}

.step.visible .mock-signal:nth-child(1) {
    animation-delay: 0.1s;
}

.step.visible .mock-signal:nth-child(2) {
    animation-delay: 0.2s;
}

.step.visible .mock-signal:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Roadmap bar animation */
.step.visible .roadmap-bar {
    animation: barGrow 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes barGrow {
    from {
        width: 0 !important;
    }
}

.step.visible .roadmap-item:nth-child(1) .roadmap-bar {
    animation-delay: 0.2s;
}

.step.visible .roadmap-item:nth-child(2) .roadmap-bar {
    animation-delay: 0.4s;
}

.step.visible .roadmap-item:nth-child(3) .roadmap-bar {
    animation-delay: 0.6s;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

/* Tablets */
@media (max-width: 1024px) {
    #hero {
        flex-direction: column;
        padding: 7rem 3rem 4rem;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group {
        justify-content: center;
    }

    .hero-visual {
        max-width: 400px;
        min-height: 300px;
    }

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

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

    .contact-container {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    header {
        padding: 1rem 1.5rem;
    }

    header.scrolled {
        padding: 0.7rem 1.5rem;
    }

    .hamburger {
        display: flex;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        gap: 1.5rem;
        padding: 5rem 2rem;
        background: rgba(5, 10, 20, 0.97);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        border-left: 1px solid var(--border);
        transition: right var(--transition);
    }

    nav.open {
        right: 0;
    }

    nav a {
        font-size: 1rem;
    }

    nav .nav-cta {
        width: 100%;
        text-align: center;
        justify-content: center;
        font-size: 0.85rem;
    }

    #hero {
        padding: 6rem 1.5rem 3rem;
        min-height: auto;
    }

    h1 {
        font-size: 2rem;
    }

    .hero-visual {
        display: none;
    }

    #proof {
        padding: 0 1.5rem;
    }

    .proof-bar {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .proof-divider {
        width: 40px;
        height: 1px;
    }

    #how-it-works,
    #capabilities,
    #personas,
    #differentiators,
    #contact {
        padding: 4rem 1.5rem;
    }

    .step {
        flex-direction: column;
        gap: 1rem;
    }

    .step-number {
        font-size: 2rem;
    }

    .step-connector {
        margin-left: 16px;
        height: 24px;
    }

    .signal-body {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.2rem;
    }

    .signal-time {
        margin-left: 0;
    }

    .capability-grid {
        grid-template-columns: 1fr;
    }

    .persona-grid {
        grid-template-columns: 1fr;
    }

    .contact-container {
        padding: 1.5rem;
        gap: 2rem;
    }

    .diff-vs {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .diff-them {
        min-width: auto;
    }

    .diff-arrow {
        transform: rotate(90deg);
    }

    footer {
        padding: 3rem 1.5rem 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}