:root {
    --bg: #f8f6f0;
    --text: #111;
    --border: #111;
    --gold: #b8953e;
    --hover: #edeadf;
    --muted: #777;
    --bw: 2px;
    --font: 'SF Mono', 'Fira Mono', 'Roboto Mono', 'Cascadia Mono', 'Consolas', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

a:hover {
    text-decoration: underline;
}

/* ---- navigation ---- */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: var(--bw) solid var(--border);
}

.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    font-size: 13px;
}

.nav-links a {
    color: var(--muted);
}

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

.nav-back {
    color: var(--muted);
    font-size: 13px;
}

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

/* ---- layout ---- */

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 32px;
}

section {
    padding: 80px 0;
    border-bottom: var(--bw) solid var(--border);
}

/* ---- section bar ---- */

.section-bar {
    padding: 14px 32px;
    background: var(--gold);
    color: var(--bg);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ---- hero ---- */

.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    border-bottom: var(--bw) solid var(--border);
}

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

.hero-badge {
    display: inline-block;
    padding: 6px 12px;
    border: var(--bw) solid var(--border);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-badge span {
    color: var(--gold);
    font-weight: 700;
}

.hero h1 {
    font-size: 44px;
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--muted);
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ---- buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    font-family: var(--font);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    border: var(--bw) solid var(--border);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.btn:hover {
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--gold);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--hover);
}

/* ---- phone mockup ---- */

.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 240px;
    height: 480px;
    border: var(--bw) solid var(--border);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.phone-panda {
    font-size: 64px;
    margin-bottom: 16px;
}

.phone-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 8px;
}

.phone-subtext {
    font-size: 13px;
    color: var(--muted);
}

/* ---- features ---- */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--border);
    gap: var(--bw);
}

.feature-card {
    padding: 32px;
    background: var(--bg);
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--muted);
}

/* ---- techniques ---- */

.techniques-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--border);
    gap: var(--bw);
}

.technique-card {
    padding: 28px 20px;
    background: var(--bg);
    text-align: center;
}

.technique-pattern {
    font-size: 28px;
    margin-bottom: 12px;
}

.technique-card h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.technique-card p {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

.technique-timing {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.timing-pill {
    padding: 4px 8px;
    border: 1px solid var(--border);
    font-size: 10px;
    font-weight: 700;
}

/* ---- cta ---- */

.cta {
    background: var(--gold);
    color: var(--bg);
    text-align: center;
    border-bottom: var(--bw) solid var(--border);
}

.cta h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.cta p {
    font-size: 14px;
    color: var(--bg);
    opacity: 0.85;
    margin-bottom: 28px;
}

.cta .btn-primary {
    background: var(--bg);
    color: var(--text);
    border-color: var(--bg);
}

.cta .btn-primary:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

/* ---- legal ---- */

.legal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.legal-section h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: var(--bw) solid var(--gold);
}

.legal-section h4 {
    font-size: 13px;
    font-weight: 700;
    margin: 20px 0 8px;
}

.legal-section p,
.legal-section ul {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.7;
}

.legal-section ul {
    list-style: none;
}

.legal-section li {
    padding-left: 16px;
    position: relative;
    margin-bottom: 6px;
}

.legal-section li::before {
    content: '\25CF';
    position: absolute;
    left: 0;
    font-size: 6px;
    color: var(--gold);
    top: 5px;
}

.legal-section a {
    color: var(--gold);
}

/* ---- footer ---- */

footer {
    padding: 24px 32px;
    border-top: var(--bw) solid var(--border);
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--muted);
}

footer a {
    color: var(--muted);
}

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

/* ---- responsive ---- */

@media (max-width: 800px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-buttons {
        justify-content: center;
    }

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

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

    .legal-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 540px) {
    .container {
        padding: 0 20px;
    }

    section {
        padding: 60px 0;
    }

    .nav-inner {
        padding: 14px 20px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 32px;
        letter-spacing: -1px;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

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

    .section-bar {
        padding: 12px 20px;
    }
}