/* ============================================
   TradeForge Marketing Site
   ============================================ */
:root {
    --ink: #0B1120;
    --ink-2: #1E293B;
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --accent: #F97316;
    --accent-dark: #EA580C;
    --surface: #F8FAFC;
    --surface-2: #F1F5F9;
    --border: #E2E8F0;
    --text: #1E293B;
    --muted: #64748B;
    --good: #10B981;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary-dark); }
code { font-family: 'SF Mono', Menlo, Monaco, monospace; background: rgba(37,99,235,.08); color: var(--primary-dark); padding: 1px 6px; border-radius: 4px; font-size: 0.88em; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all .15s;
    border: 2px solid transparent;
    text-align: center;
    line-height: 1.2;
    white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(37,99,235,.25); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.6); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

/* --- Navigation --- */
.site-nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 66px; }
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 18px; color: var(--ink); letter-spacing: -0.01em; }
.nav-logo svg { color: var(--primary); }
.nav-links { display: none; align-items: center; gap: 28px; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 10px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .2s; }
.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); }

@media (min-width: 840px) {
    .nav-links { display: flex; }
    .nav-toggle { display: none; }
}
@media (max-width: 839px) {
    .nav-links {
        display: none; position: absolute; top: 66px; left: 0; right: 0;
        background: #fff; flex-direction: column; padding: 20px 24px;
        border-bottom: 1px solid var(--border); gap: 16px;
    }
    .nav-links.open { display: flex; }
    .nav-links a { width: 100%; padding: 10px 0; }
}

/* --- Hero --- */
.hero {
    position: relative;
    padding: 80px 0 100px;
    background: linear-gradient(180deg, #0B1120 0%, #1E293B 100%);
    color: #fff;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0; opacity: 0.4;
    background-image:
        radial-gradient(ellipse 800px 400px at 20% 30%, rgba(37,99,235,.25), transparent),
        radial-gradient(ellipse 700px 400px at 80% 60%, rgba(249,115,22,.15), transparent);
}
.hero-inner { position: relative; z-index: 1; max-width: 880px; }
.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(249,115,22,.15);
    border: 1px solid rgba(249,115,22,.3);
    border-radius: 50px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}
.hero h1 {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: #fff;
}
.hero .accent { color: var(--accent); }
.hero-lede {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    color: rgba(255,255,255,.75);
    line-height: 1.65;
    margin-bottom: 36px;
    max-width: 680px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; padding-top: 36px; border-top: 1px solid rgba(255,255,255,.1); }
.hero-stat strong { display: block; font-size: 1.8rem; font-weight: 800; color: #fff; line-height: 1; margin-bottom: 4px; }
.hero-stat span { font-size: 0.85rem; color: rgba(255,255,255,.55); }

/* --- Sections --- */
.section { padding: 80px 0; }
.section--muted { background: var(--surface); }
.section--dark { background: var(--ink); color: #fff; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}
.section-eyebrow--light { color: var(--accent); }
.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}
.section-title--light { color: #fff; }
.section-lede {
    font-size: 1.08rem;
    color: var(--muted);
    line-height: 1.7;
    max-width: 680px;
}

/* --- Problem / Two Col --- */
.two-col { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
@media (min-width: 840px) { .two-col { grid-template-columns: 1.2fr 1fr; gap: 64px; } }
.check-list { margin-top: 20px; list-style: none; }
.check-list li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: var(--muted);
    line-height: 1.6;
}
.check-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 14px;
    width: 18px; height: 18px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2310B981" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') no-repeat center / contain;
}

.comparison { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 16px rgba(0,0,0,.06); border: 1px solid var(--border); }
.comparison-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); gap: 12px; }
.comparison-row:last-child { border-bottom: none; }
.comparison-row span:first-child { font-weight: 700; color: var(--ink); }
.comparison-row span:last-child { font-size: 0.88rem; color: var(--muted); text-align: right; }
.comparison-row--bad { background: #fff; }
.comparison-row--bad::before { content: '✕'; color: #dc2626; font-weight: 900; margin-right: 12px; }
.comparison-row--good { background: linear-gradient(90deg, rgba(16,185,129,.08), transparent); }
.comparison-row--good::before { content: '✓'; color: var(--good); font-weight: 900; margin-right: 12px; }
.comparison-row--good span:first-child { color: var(--primary); }

/* --- Features Grid --- */
.features-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 560px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .features-grid { grid-template-columns: repeat(4, 1fr); } }
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: all .2s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.08); border-color: var(--primary); }
.feature-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feature-icon--ai { background: rgba(37,99,235,.1); color: var(--primary); }
.feature-icon--design { background: rgba(168,85,247,.1); color: #a855f7; }
.feature-icon--phone { background: rgba(34,197,94,.1); color: #22c55e; }
.feature-icon--email { background: rgba(249,115,22,.1); color: var(--accent); }
.feature-icon--analytics { background: rgba(236,72,153,.1); color: #ec4899; }
.feature-icon--seo { background: rgba(14,165,233,.1); color: #0ea5e9; }
.feature-icon--domain { background: rgba(139,92,246,.1); color: #8b5cf6; }
.feature-icon--logo { background: rgba(234,179,8,.1); color: #eab308; }
.feature-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.feature-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.55; }

/* --- Steps --- */
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 960px; margin: 0 auto; }
@media (min-width: 700px) { .steps-grid { grid-template-columns: repeat(3, 1fr); } }
.step-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 28px; position: relative; }
.step-number {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--accent);
    color: #fff; font-size: 1.2rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.step-card h4 { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.step-card p { color: rgba(255,255,255,.65); line-height: 1.6; font-size: 0.92rem; }

.demo-placeholder {
    margin-top: 60px;
    padding: 60px 20px;
    background: rgba(255,255,255,.04);
    border: 2px dashed rgba(255,255,255,.15);
    border-radius: 14px;
    text-align: center;
}
.demo-placeholder__label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); font-weight: 700; margin-bottom: 8px; }
.demo-placeholder__hint { color: rgba(255,255,255,.5); }

/* --- Pricing --- */
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 1100px; margin: 0 auto; }
@media (min-width: 800px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); align-items: start; } }
.price-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 28px;
    position: relative;
    transition: all .2s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,.1); }
.price-card--featured {
    border: 2px solid var(--primary);
    box-shadow: 0 20px 48px rgba(37,99,235,.15);
    transform: scale(1.02);
}
@media (min-width: 800px) { .price-card--featured { transform: scale(1.04); } }
.price-card__ribbon {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
    padding: 6px 14px; border-radius: 50px;
}
.price-card__header { margin-bottom: 20px; }
.price-card__header h4 { font-size: 1.3rem; font-weight: 800; color: var(--ink); margin-bottom: 4px; }
.price-card__header p { font-size: 0.9rem; color: var(--muted); }
.price-card__price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.price-amount { font-size: 2.6rem; font-weight: 800; color: var(--ink); line-height: 1; letter-spacing: -0.02em; }
.price-period { color: var(--muted); font-size: 0.95rem; }
.price-card__features { list-style: none; margin-bottom: 24px; }
.price-card__features li {
    padding: 10px 0 10px 26px; position: relative;
    font-size: 0.92rem; color: var(--text); line-height: 1.5;
    border-bottom: 1px solid var(--surface-2);
}
.price-card__features li:last-child { border-bottom: none; }
.price-card__features li::before {
    content: '✓'; color: var(--good); font-weight: 700;
    position: absolute; left: 0; top: 10px;
}
.price-card__features li:first-child::before { content: ''; }
.price-card__features code { font-size: 0.82em; }
.pricing-footnote { text-align: center; margin-top: 36px; color: var(--muted); font-size: 0.9rem; }

/* --- FAQ --- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}
.faq-item summary {
    padding: 18px 22px;
    cursor: pointer;
    font-weight: 600;
    color: var(--ink);
    font-size: 1rem;
    list-style: none;
    position: relative;
    padding-right: 50px;
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
    font-size: 1.6rem; color: var(--muted); font-weight: 400;
    transition: transform .2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 22px 22px; color: var(--muted); line-height: 1.7; }

/* --- Final CTA --- */
.cta-final {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta-final::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 80% 30%, rgba(249,115,22,.25), transparent 60%);
}
.cta-final__inner { position: relative; z-index: 1; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-final h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.2; margin-bottom: 12px; color: #fff; letter-spacing: -0.02em; }
.cta-final p { font-size: 1.1rem; color: rgba(255,255,255,.85); margin-bottom: 28px; }
.cta-final .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.cta-final .btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 8px 32px rgba(0,0,0,.25); }

/* --- Legal Pages --- */
.container--narrow { max-width: 760px; }
.legal-hero {
    background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
}
.legal-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 10px; }
.legal-updated { color: rgba(255,255,255,.55); font-size: 0.92rem; }
.legal-content { padding: 60px 0 80px; background: #fff; }
.legal-body { font-size: 1rem; line-height: 1.75; color: var(--text); }
.legal-body h2 { font-size: 1.3rem; font-weight: 700; color: var(--ink); margin-top: 40px; margin-bottom: 14px; letter-spacing: -0.01em; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin-top: 22px; margin-bottom: 10px; }
.legal-body p { margin-bottom: 14px; color: var(--text); }
.legal-body ul { margin: 0 0 14px 0; padding-left: 24px; }
.legal-body li { margin-bottom: 8px; color: var(--text); }
.legal-body strong { color: var(--ink); font-weight: 700; }
.legal-body a { color: var(--primary); font-weight: 500; }
.legal-body a:hover { text-decoration: underline; }

/* --- Footer --- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.6); padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
@media (min-width: 700px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; } }
.footer-brand .nav-logo { color: #fff; margin-bottom: 12px; }
.footer-brand .nav-logo svg { color: var(--primary); }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,.55); font-size: 0.92rem; padding: 4px 0; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding-top: 24px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,.4); }