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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #0d0d0d;
    --border-color: #222222;
    --border-light: #333333;
    --text-primary: #e5e5e5;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent: #00e87b;
    --accent-dim: #00c968;
    --accent-glow: rgba(0, 232, 123, 0.12);
    --red: #ef4444;
    --yellow: #eab308;
    --gold: #f0e700;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background:
        radial-gradient(ellipse at 50% 15%, rgba(0, 232, 123, 0.035) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 70%, rgba(0, 180, 160, 0.02) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 85%, rgba(0, 120, 200, 0.015) 0%, transparent 40%),
        var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Matrix rain canvas */
#matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 1.5s ease;
}

#matrix-rain.active {
    opacity: 0.6;
}

/* Subtle noise texture overlay */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Ensure all content sits above matrix canvas */
main, footer {
    position: relative;
    z-index: 2;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

nav {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-d {
    display: inline-block;
    width: 22px !important;
    height: 26px !important;
    max-width: 22px !important;
    max-height: 26px !important;
    vertical-align: middle;
    margin-right: 2px;
    margin-bottom: 2px;
}

.nav-links {
    display: none;
}

.nav-mobile {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 0.2s;
}

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

.nav-link.active {
    color: var(--accent);
}

.nav-cta {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

/* ── Mobile Nav ── */

.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: all 0.2s ease;
}

.hamburger:hover span {
    background: var(--text-primary);
}

.nav-mobile {
    position: relative;
}

.mobile-menu {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 180px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 200;
}

.mobile-menu.open {
    display: flex;
    flex-direction: column;
}

.mobile-menu-link {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 16px;
    transition: background 0.15s, color 0.15s;
}

.mobile-menu-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* ── Hero Diagram Section ── */
.hero-diagram {
    padding: 120px 0 32px;
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    text-align: center;
    margin-bottom: 8px;
}

.hero-headline {
    font-family: var(--font-sans);
    font-size: clamp(35px, 5.8vw, 63px);
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.hero-tagline {
    font-size: clamp(17px, 2.2vw, 22px);
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-top: 32px;
    letter-spacing: -0.01em;
    line-height: 1.5;
}

/* ── Comparison Diagram ── */
.diagram-comparison {
    display: flex;
    gap: 24px;
}

.diagram-model {
    flex: 1;
    background: rgba(255,255,255,0.03);
    border: 1px solid #333;
    border-radius: 10px;
    padding: 22px 16px 18px;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.diagram-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #bbb;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-family: var(--font-mono);
}

.diagram-model svg {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.diagram-caption {
    font-size: 15px;
    color: #ccc;
    margin-top: auto;
    padding-top: 18px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    font-family: var(--font-mono);
}

.diagram-caption strong {
    color: var(--accent);
}

.diagram-caption-platform strong {
    color: #eab308;
}

@keyframes pulse-frag {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.9; }
}

@keyframes center-glow {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(0,232,123,0.2)); }
    50% { filter: drop-shadow(0 0 22px rgba(0,232,123,0.6)); }
}

.uf { animation: pulse-frag 2.8s ease-in-out infinite; }
.cg { animation: center-glow 3s ease-in-out infinite; }

.headline-accent {
    color: var(--accent);
}

/* ── Tagline Emphasis + CTA ── */
.tagline-emphasis {
    color: var(--accent);
}

.hero-cta {
    text-align: center;
    margin-top: 28px;
}

.try-demo-cta {
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 600;
    color: var(--bg-primary);
    background: var(--accent);
    border-radius: 6px;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: background 0.2s ease;
}

.try-demo-cta:hover {
    background: var(--accent-dim);
}

/* ── Diagram Intro ── */
.diagram-intro {
    font-family: var(--font-sans);
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 36px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.55;
}

/* ── Hero Data Note ── */
.hero-data-note {
    font-family: var(--font-mono);
    font-size: 16px;
    color: #cccccc;
    text-align: center;
    margin-top: 16px;
    letter-spacing: 0.01em;
}

.hero-data-star {
    display: inline-block;
    font-size: 12px;
    color: var(--accent);
    animation: star-pulse 2.4s ease-in-out infinite;
    margin-right: 6px;
    vertical-align: middle;
}

@keyframes star-pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

.hero-data-link {
    color: var(--accent);
    text-decoration: none;
}

.hero-data-link:hover {
    text-decoration: underline;
}

/* ── Product Preview Section ── */
.product-preview {
    padding: 48px 0 0;
}

.preview-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 16px;
}

.preview-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 232, 123, 0.2);
    border-radius: 8px;
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
}

.preview-status {
    display: flex;
    align-items: center;
    gap: 10px;
}

.preview-pulse {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.4; box-shadow: 0 0 0 0 rgba(0, 232, 123, 0.4); }
    50% { opacity: 1; box-shadow: 0 0 8px 2px rgba(0, 232, 123, 0.25); }
}

.preview-status-text {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

.preview-time {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.preview-insights {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.preview-insight {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.55;
}

.preview-icon {
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.preview-insight strong {
    color: var(--text-primary);
}

.preview-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
}

.preview-compound {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 0.02em;
}

/* ── Three-Tier Section ── */
.three-tier {
    padding: 64px 0 80px;
    border-top: 1px solid var(--border-color);
}

h2 {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.section-question {
    font-family: var(--font-sans);
    font-size: clamp(26px, 4vw, 38px);
}

.section-intro {
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 680px;
}

.tier-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tier-card {
    padding: 32px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.tier-label {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.tier-examples {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.tier-card p {
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.tier-donna {
    background: var(--accent-glow);
    border-color: rgba(0, 232, 123, 0.25);
}

.tier-donna .tier-label {
    color: var(--accent);
}

/* ── "Who knows you better" Section ── */
.knows-you {
    margin-top: 56px;
}

.knows-you-title {
    font-family: var(--font-sans);
    font-size: clamp(22px, 3.5vw, 30px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 28px;
    color: var(--text-primary);
}

.knows-you-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}

.knows-you-card {
    padding: 20px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.knows-you-platform {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 6px;
}

.knows-you-card p {
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.knows-you-closing {
    max-width: 680px;
}

.knows-you-closing p {
    font-family: var(--font-sans);
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.knows-you-closing p:last-child {
    color: var(--accent);
    font-weight: 600;
}

@media (max-width: 768px) {
    .knows-you-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .knows-you-grid {
        grid-template-columns: 1fr;
    }
}

/* ── New Category Section ── */
.new-category {
    padding: 64px 0 80px;
    border-top: 1px solid var(--border-color);
}

.new-category h2 {
    font-family: var(--font-sans);
    font-size: clamp(26px, 4vw, 38px);
    margin-bottom: 24px;
}

.category-text p {
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 720px;
}

.category-text strong {
    color: var(--text-primary);
}

.category-closer {
    color: var(--accent) !important;
    font-weight: 600;
}

/* ── Why User-First Section ── */
.sovereignty {
    padding: 64px 0 80px;
    border-top: 1px solid var(--border-color);
}

.section-headline {
    font-family: var(--font-sans);
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.arch-points {
    display: grid;
    gap: 16px;
}

.arch-point {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.arch-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 8px;
}

.arch-label.red-label {
    color: var(--red);
}

.arch-problem {
    border-color: rgba(239, 68, 68, 0.2);
}

.arch-solution {
    border-color: rgba(0, 232, 123, 0.25);
    background: var(--accent-glow);
}

.arch-point p {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.arch-point p strong {
    color: var(--text-primary);
}

.model-section {
    margin-top: 48px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
}

.model-section-header {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.model-chip {
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 6px;
}

.chip-chatgpt {
    color: #10a37f;
    border: 1px solid rgba(16, 163, 127, 0.3);
    background: rgba(16, 163, 127, 0.08);
}

.chip-claude {
    color: #d97757;
    border: 1px solid rgba(217, 119, 87, 0.3);
    background: rgba(217, 119, 87, 0.08);
}

.chip-grok {
    color: #e5e5e5;
    border: 1px solid rgba(229, 229, 229, 0.3);
    background: rgba(229, 229, 229, 0.06);
}

.chip-gemini {
    color: #4285f4;
    border: 1px solid rgba(66, 133, 244, 0.3);
    background: rgba(66, 133, 244, 0.08);
}

/* ── Demo Page Sections ── */
.demo-page-section {
    padding: 48px 0;
}

.demo-page-first {
    padding-top: 120px;
}

.demo-section-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.demo-section-headline {
    font-size: clamp(22px, 3.5vw, 32px);
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.demo-section-sub {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 600px;
}

.demo-spacer {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 32px 0;
}

.spacer-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.spacer-label {
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    white-space: nowrap;
    text-transform: uppercase;
}

/* ── Demo Block (terminal) ── */
.demo-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.demo-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.demo-dot.red { background: #ff5f56; }
.demo-dot.yellow { background: #ffbd2e; }
.demo-dot.green { background: #27c93f; }

.demo-title {
    margin-left: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.demo-content {
    padding: 24px;
    overflow-x: auto;
}

.demo-content code {
    display: block;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.8;
    white-space: pre;
    color: var(--text-secondary);
}

.demo-content .prompt {
    color: var(--accent);
}

.demo-content .output {
    color: var(--text-muted);
}

.demo-content .success {
    color: var(--accent);
}

.demo-content .warn {
    color: var(--yellow);
}

/* ── Waitlist Section ── */
.waitlist {
    padding: 64px 0 80px;
    border-top: 1px solid var(--border-color);
}

.waitlist h2 {
    font-family: var(--font-sans);
    margin-bottom: 16px;
}

.waitlist-desc {
    font-family: var(--font-sans);
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-size: 15px;
}

.waitlist-form {
    max-width: 480px;
    margin: 0;
}

.input-wrapper {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.waitlist-form input {
    flex: 1;
    padding: 14px 18px;
    font-family: var(--font-mono);
    font-size: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s ease;
}

.waitlist-form input:focus {
    border-color: var(--accent);
}

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

.waitlist-form button {
    padding: 14px 24px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.waitlist-form button:hover {
    background: var(--accent-dim);
}

.waitlist-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-note {
    font-size: 12px;
    color: var(--text-muted);
}

.form-success {
    font-size: 14px;
    color: #FFD700;
    margin-top: 16px;
    font-family: var(--font-mono);
}

.form-error {
    font-size: 14px;
    color: var(--red);
    margin-top: 16px;
}

/* ── Signup Steps ── */
.waitlist-intro {
    font-family: var(--font-sans);
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--text-primary);
    line-height: 1.6;
    text-align: left;
    max-width: 680px;
    margin: 0 0 24px;
}

.waitlist-declaration {
    font-family: var(--font-sans);
    font-size: clamp(18px, 2.5vw, 22px);
    font-weight: 700;
    color: var(--accent);
    text-align: left;
    max-width: 680px;
    margin: -8px 0 28px;
}

.signup-steps {
    display: grid;
    gap: 20px;
    text-align: left;
}

.signup-step {
    display: flex;
    gap: 20px;
    padding: 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.signup-step-highlight {
    border-color: rgba(0, 232, 123, 0.25);
    background: var(--accent-glow);
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
}

.signup-step-highlight .step-number {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.step-content p {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.step-cta {
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.step-cta:hover {
    color: var(--accent-dim);
}

.signup-step .waitlist-form {
    margin: 8px 0 0;
}

/* ── Setup Offer ── */
.setup-offer {
    max-width: 520px;
    margin: 0 auto;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    text-align: left;
}

.offer-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.setup-offer h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.setup-offer p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.offer-cta {
    display: inline-block;
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.offer-cta:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

/* ── Bottom Link ── */
.bottom-link {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.bottom-link:hover {
    color: var(--accent);
}

/* ── Footer ── */
footer {
    padding: 48px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.footer-brand {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-copyright {
    font-size: 12px;
    color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-diagram {
        padding: 100px 0 24px;
    }

    .three-tier, .new-category, .sovereignty {
        padding: 48px 0 64px;
    }

    .waitlist {
        padding: 64px 0;
    }

    .tier-cards {
        grid-template-columns: 1fr;
    }

    .diagram-comparison {
        flex-direction: column;
        gap: 16px;
    }

    .input-wrapper {
        flex-direction: column;
    }

    .waitlist-form button {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .product-preview {
        padding: 36px 0 0;
    }

    .demo-page-first {
        padding-top: 100px;
    }

    .nav-links {
        display: none;
    }

    .nav-mobile {
        display: flex;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 0 16px;
    }

    nav {
        padding: 12px 16px;
    }

    .logo {
        font-size: 15px;
        letter-spacing: 0.06em;
    }

    .logo-d {
        width: 18px !important;
        height: 22px !important;
        max-width: 18px !important;
        max-height: 22px !important;
    }

    .nav-mobile .nav-cta {
        font-size: 11px;
        padding: 6px 12px;
    }

    .nav-mobile {
        gap: 10px;
    }

    nav {
        padding: 12px 16px;
    }

    .logo {
        font-size: 14px;
        letter-spacing: 0.06em;
        white-space: nowrap;
    }

    .hero-label {
        font-size: 11px;
    }

    .preview-header {
        padding: 12px 16px;
    }

    .preview-insights {
        padding: 14px 16px;
    }

    .preview-footer {
        padding: 10px 16px;
    }

    .preview-status-text {
        font-size: 12px;
    }

    .preview-insight {
        font-size: 13px;
    }

    .hero-headline {
        font-size: 28px;
    }

    .hero-tagline {
        font-size: 15px;
    }

    .diagram-intro {
        font-size: 15px;
    }

    .demo-content {
        padding: 16px;
    }

    .demo-content code {
        font-size: 11px;
    }

    .arch-point {
        padding: 20px;
    }

    .model-section {
        padding: 24px;
    }

    .setup-offer {
        padding: 24px;
    }
}