/* Reset + base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Sarabun', system-ui, sans-serif;
    color: #1a1a1a;
    line-height: 1.6;
    background: #fff;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; }
h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.8rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
h4 { font-size: 0.95rem; margin: 1rem 0 0.5rem; text-transform: uppercase; letter-spacing: 0.03em; color: #6e6e73; }
p { margin-bottom: 1rem; }
strong { font-weight: 600; }
code { background: #f5f5f7; padding: 1px 6px; border-radius: 3px; font-size: 0.9em; font-family: 'SF Mono', monospace; }
ul { margin-left: 1.25rem; margin-bottom: 1rem; }
li { margin-bottom: 0.4rem; }

/* Nav */
.top-nav {
    border-bottom: 1px solid #e5e5ea;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}
.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { font-weight: 600; font-size: 1.1rem; }
.nav-cta { color: #007aff; text-decoration: none; font-weight: 500; }

/* Hero */
.hero {
    padding: 5rem 0 4rem;
    text-align: center;
    background: linear-gradient(to bottom, #fafafa, #fff);
}
.hero h1 { max-width: 700px; margin: 0 auto 1.5rem; }
.subhead { font-size: 1.15rem; color: #4a4a4a; max-width: 640px; margin: 0 auto 2rem; }
.cta-primary {
    display: inline-block;
    background: #007aff;
    color: white;
    padding: 0.85rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: background 0.2s;
}
.cta-primary:hover { background: #0056cc; }
.trust-bar {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: #6e6e73;
}

/* Sections */
section { padding: 4rem 0; }
section:not(.hero):nth-child(even) { background: #fafafa; }

/* Problem */
.problem-list { margin-bottom: 1.5rem; }
.bridge { font-weight: 500; margin-top: 1.5rem; padding: 1rem; background: #f0f7ff; border-left: 3px solid #007aff; border-radius: 4px; }

/* Solution feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.feature {
    padding: 1.5rem;
    background: #fff;
    border: 1px solid #e5e5ea;
    border-radius: 12px;
}
.feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature p { color: #4a4a4a; font-size: 0.95rem; margin-bottom: 0; }

/* Proof */
.proof-context { color: #4a4a4a; margin-bottom: 1rem; }
.metrics-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.metrics-table th, .metrics-table td {
    padding: 0.85rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid #e5e5ea;
}
.metrics-table th { background: #f5f5f7; font-weight: 600; }
.metrics-table tr:last-child td { border-bottom: none; }

/* Process timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.week {
    padding: 1.5rem;
    background: #fff;
    border: 1px solid #e5e5ea;
    border-radius: 12px;
}

/* Pricing */
.price-card {
    max-width: 500px;
    margin: 0 auto;
    padding: 2.5rem;
    background: #fff;
    border: 2px solid #007aff;
    border-radius: 16px;
    text-align: center;
}
.price {
    font-size: 3rem;
    font-weight: 700;
    color: #007aff;
    margin: 1rem 0 0.25rem;
}
.price-note { font-size: 1rem; color: #6e6e73; font-weight: 400; }
.price-sub { color: #6e6e73; margin-bottom: 1.5rem; }
.price-card ul { text-align: left; margin-bottom: 1.5rem; }
.providers-list li { font-size: 0.9rem; color: #6e6e73; }
.payment-note { padding: 0.75rem; background: #f5f5f7; border-radius: 6px; font-size: 0.9rem; margin-bottom: 1.5rem; }

/* FAQ */
.qa { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid #e5e5ea; }
.qa:last-child { border-bottom: none; }
.qa p { color: #4a4a4a; margin-bottom: 0; }

/* Contact */
.contact { text-align: center; background: #007aff; color: white; }
.contact h2, .contact p { color: white; }
.contact p { max-width: 600px; margin: 0 auto 2rem; opacity: 0.95; }
.contact .cta-primary { background: white; color: #007aff; }
.contact .cta-primary:hover { background: #f0f7ff; }

/* Footer */
footer { padding: 2rem 0; text-align: center; color: #6e6e73; font-size: 0.85rem; border-top: 1px solid #e5e5ea; }

/* Mobile */
@media (max-width: 640px) {
    h1 { font-size: 1.85rem; }
    h2 { font-size: 1.5rem; }
    .hero { padding: 3rem 0 2.5rem; }
    section { padding: 2.5rem 0; }
    .price { font-size: 2.25rem; }
}