:root {
    --sky: #0ea5e9;
    --sky-dark: #0284c7;
    --sky-deep: #075985;
    --sky-soft: #e0f2fe;
    --sky-softer: #f0f9ff;
    --ink: #0f172a;
    --ink-soft: #475569;
    --ink-faint: #94a3b8;
    --line: #e2e8f0;
    --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.mark { color: var(--sky); }

/* Transparent logo PNG has built-in padding — sized up to compensate */
.brand-logo { height: 32px; width: 32px; vertical-align: -10px; margin-right: -3px; }

h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.2; }

h2 { font-size: clamp(26px, 4vw, 36px); text-align: center; margin-bottom: 14px; }

a { color: var(--sky-dark); }

/* ---- Nav ---- */

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px clamp(20px, 4vw, 48px);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
    z-index: 50;
}

.nav .brand, footer .brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    white-space: nowrap;
}

.nav nav { display: flex; gap: 4px; }

.nav nav a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
}

.nav nav a:hover { background: var(--sky-softer); color: var(--sky-dark); }

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    background: var(--sky);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: 12px;
    transition: background 0.15s, transform 0.15s;
    white-space: nowrap;
}

.btn:hover { background: var(--sky-dark); transform: translateY(-1px); }

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 15px 30px; font-size: 16px; border-radius: 14px; }
.btn-wide { display: block; text-align: center; }

.btn-inverse { background: #fff; color: var(--sky-dark); }
.btn-inverse:hover { background: var(--sky-softer); }

.btn-ghost {
    display: inline-block;
    color: var(--sky-dark);
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    padding: 15px 24px;
    border-radius: 14px;
    border: 1px solid var(--line);
}

.btn-ghost:hover { background: var(--sky-softer); border-color: var(--sky); }

/* ---- Hero ---- */

.hero {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(24px, 5vw, 64px);
    align-items: center;
    max-width: 1140px;
    margin: 0 auto;
    padding: clamp(48px, 8vw, 96px) 24px 40px;
}

.eyebrow {
    color: var(--sky-dark);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}

.hero h1 {
    font-size: clamp(34px, 5vw, 54px);
    font-weight: 800;
    margin-bottom: 18px;
}

.lede { font-size: clamp(16px, 2vw, 19px); color: var(--ink-soft); margin-bottom: 28px; max-width: 34em; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.microtrust { font-size: 13px; color: var(--ink-faint); margin-top: 14px; }
.microtrust.light { color: rgba(255, 255, 255, 0.85); }

/* ---- Hero mockup ---- */

.mock {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(2, 132, 199, 0.14);
    padding: 18px;
    font-size: 13px;
    transform: rotate(0.8deg);
}

.mock-bar { font-weight: 700; padding-bottom: 10px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }

.mock-pill {
    float: right;
    background: var(--sky-soft);
    color: var(--sky-dark);
    font-size: 11px;
    font-weight: 700;
    border-radius: 999px;
    padding: 2px 10px;
}

.mock-title { font-weight: 700; font-size: 14px; margin-bottom: 8px; }

.mock-gather {
    background: var(--sky-softer);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--ink-soft);
    margin-bottom: 10px;
    font-size: 12px;
}

.mock-block {
    display: flex;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
    margin-bottom: 8px;
}

.mock-block small { color: var(--ink-faint); }

.mock-block.done { opacity: 0.55; }
.mock-block.done strong { text-decoration: line-through; }

.mock-check {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--line);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.mock-block.done .mock-check { background: var(--sky); border-color: var(--sky); }

.mock-block ol { padding-left: 18px; margin: 8px 0; color: var(--ink-soft); }
.mock-block ol li { margin-bottom: 3px; }

.mock-littles {
    background: var(--sky-softer);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--ink-soft);
}

.mock-littles strong { color: var(--sky-dark); }

.origin-strip {
    text-align: center;
    color: var(--ink-soft);
    font-size: 14px;
    padding: 0 24px 8px;
}

/* ---- Sections ---- */

.section { max-width: 1140px; margin: 0 auto; padding: clamp(48px, 7vw, 80px) 24px; }

.section-soft {
    max-width: none;
    background: var(--sky-softer);
}

.section-soft > * { max-width: 1140px; margin-left: auto; margin-right: auto; }

.section-sub {
    text-align: center;
    color: var(--ink-soft);
    max-width: 42em;
    margin: 0 auto 36px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 36px; }

/* ---- Pain ---- */

.pain {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
}

.pain h3 { font-size: 17px; margin-bottom: 8px; }
.pain p { font-size: 14.5px; color: var(--ink-soft); }

.turn {
    text-align: center;
    font-size: 19px;
    font-weight: 700;
    color: var(--sky-dark);
    margin-top: 36px;
}

/* ---- Steps ---- */

.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--sky);
    color: #fff;
    font-weight: 800;
    margin-bottom: 14px;
}

.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-soft); }

/* ---- Sample day ---- */

.sample { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.sample-block {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    font-size: 14px;
}

.sample-head { margin-bottom: 10px; }
.sample-head strong { display: block; font-size: 15.5px; }
.sample-head span { font-size: 12.5px; color: var(--ink-faint); }

.sample-block ol { padding-left: 20px; color: var(--ink-soft); }
.sample-block ol li { margin-bottom: 5px; }

.littles {
    background: var(--sky-softer);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--ink-soft);
    margin-top: 12px;
}

.littles strong { color: var(--sky-dark); }

/* ---- Features ---- */

.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }

.fi { font-size: 24px; display: block; margin-bottom: 10px; }

.feature h3 { font-size: 15.5px; margin-bottom: 6px; }
.feature p { font-size: 13.5px; color: var(--ink-soft); }

/* ---- Founder ---- */

.founder { max-width: 760px; text-align: center; }

.founder p { color: var(--ink-soft); font-size: 16.5px; margin-top: 20px; }

.founder-sig { font-weight: 700; color: var(--ink) !important; }

/* ---- Pricing ---- */

.price-card {
    background: #fff;
    border: 2px solid var(--sky);
    border-radius: 20px;
    max-width: 420px;
    margin: 0 auto;
    padding: 36px 32px;
    box-shadow: 0 20px 50px rgba(2, 132, 199, 0.12);
}

.price-name { font-weight: 800; font-size: 15px; color: var(--sky-dark); text-transform: uppercase; letter-spacing: 0.06em; }

.price { font-size: 56px; font-weight: 800; letter-spacing: -0.03em; margin: 6px 0 18px; }

.price sup { font-size: 24px; vertical-align: super; }
.price span { font-size: 17px; font-weight: 600; color: var(--ink-faint); letter-spacing: 0; }

.price-card ul { list-style: none; margin-bottom: 26px; }

.price-card li { padding: 7px 0 7px 28px; position: relative; font-size: 14.5px; color: var(--ink-soft); }

.price-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--sky); font-weight: 800; }

.price-fine { text-align: center; font-size: 13px; color: var(--ink-faint); margin-top: 12px; }

/* ---- FAQ ---- */

.faq { max-width: 760px; margin: 36px auto 0; }

.faq details { border-bottom: 1px solid var(--line); }

.faq summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 16px;
    padding: 18px 30px 18px 4px;
    list-style: none;
    position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
    content: "+";
    position: absolute;
    right: 8px;
    color: var(--sky);
    font-size: 22px;
    font-weight: 400;
    transition: transform 0.2s;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p { padding: 0 4px 20px; color: var(--ink-soft); font-size: 15px; max-width: 60em; }

/* ---- Final CTA ---- */

.final-cta {
    background: linear-gradient(135deg, var(--sky) 0%, var(--sky-deep) 100%);
    color: #fff;
    text-align: center;
    padding: clamp(56px, 8vw, 90px) 24px;
}

.final-cta h2 { color: #fff; }

.final-cta p { color: rgba(255, 255, 255, 0.9); margin: 10px auto 28px; max-width: 36em; }

/* ---- Footer ---- */

footer { border-top: 1px solid var(--line); padding: 28px 24px; }

.foot-inner {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

footer nav { display: flex; gap: 18px; }

footer nav a { color: var(--ink-soft); text-decoration: none; font-size: 14px; }

footer nav a:hover { color: var(--sky-dark); }

.foot-note { color: var(--ink-faint); font-size: 13px; }

/* ---- Responsive ---- */

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .hero-visual { max-width: 480px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .sample { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .nav nav { display: none; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
}