/* Hango - Site promo */
:root {
    --green: #10B981;
    --green-dark: #059669;
    --green-light: #ECFDF5;
    --ink: #0F172A;
    --ink-soft: #475569;
    --muted: #94A3B8;
    --bg: #FFFFFF;
    --bg-soft: #F8FAFC;
    --border: #E2E8F0;
    --radius: 18px;
    --shadow: 0 30px 60px -30px rgba(15, 23, 42, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* Nav */
.nav {
    position: sticky; top: 0; z-index: 50;
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 32px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; }
.brand-logo {
    height: 36px; width: auto; display: block;
}

.nav-cta {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--green); color: white;
    padding: 10px 18px; border-radius: 12px;
    font-weight: 600; font-size: 0.9rem;
    transition: all 0.2s;
}
.nav-cta:hover { background: var(--green-dark); transform: translateY(-1px); }

/* Hero */
.hero {
    display: grid; grid-template-columns: 1.1fr 0.9fr;
    gap: 60px; align-items: center;
    max-width: 1200px; margin: 0 auto;
    padding: 80px 32px 100px;
}

.kicker {
    display: inline-block; padding: 6px 14px;
    background: var(--green-light); color: var(--green-dark);
    border-radius: 999px; font-size: 0.8rem; font-weight: 600;
    margin-bottom: 24px;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 1.05; letter-spacing: -0.03em;
    font-weight: 800;
}

.hero-sub {
    margin-top: 24px;
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--ink-soft);
    max-width: 520px;
}

.cta-row {
    margin-top: 36px;
    display: flex; gap: 14px; flex-wrap: wrap;
}

.cta-primary {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--green); color: white;
    padding: 16px 26px; border-radius: 14px;
    font-weight: 700; font-size: 1rem;
    box-shadow: 0 10px 24px -8px rgba(16, 185, 129, 0.5);
    transition: all 0.2s;
}
.cta-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(16, 185, 129, 0.6); }
.cta-large { padding: 20px 36px; font-size: 1.1rem; }

.cta-ghost {
    display: inline-flex; align-items: center;
    padding: 16px 22px;
    color: var(--ink); font-weight: 600;
    border-radius: 14px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}
.cta-ghost:hover { background: var(--bg-soft); }

.trust { margin-top: 22px; font-size: 0.85rem; color: var(--muted); }

/* Phone mockup */
.phone { display: flex; justify-content: center; }
.phone-frame {
    width: 340px; max-width: 100%;
    background: white;
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.phone-header {
    display: flex; align-items: center; gap: 12px;
    padding: 16px;
    background: linear-gradient(180deg, #075E54, #128C7E);
    color: white;
}
.phone-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: white; color: var(--green-dark);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
}
.phone-name { font-weight: 600; font-size: 0.95rem; }
.phone-status { font-size: 0.75rem; opacity: 0.85; }
.phone-msgs {
    padding: 18px 14px;
    background: #ECE5DD;
    display: flex; flex-direction: column; gap: 8px;
    min-height: 360px;
}
.msg {
    max-width: 80%; padding: 8px 12px;
    border-radius: 14px;
    font-size: 0.88rem; line-height: 1.35;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}
.msg-out {
    align-self: flex-end;
    background: #DCF8C6;
    border-bottom-right-radius: 4px;
}
.msg-in {
    align-self: flex-start;
    background: white;
    border-bottom-left-radius: 4px;
}
.msg-img { font-style: italic; }

/* Sections */
section { padding: 80px 32px; }
section h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    text-align: center; letter-spacing: -0.02em;
    margin-bottom: 50px; font-weight: 800;
}

/* How */
.how { background: var(--bg-soft); }
.steps {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.step {
    background: white; padding: 30px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.step-num {
    width: 38px; height: 38px; border-radius: 12px;
    background: var(--green-light); color: var(--green-dark);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; margin-bottom: 18px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 700; }
.step p { color: var(--ink-soft); font-size: 0.92rem; }

/* Receive */
.checks {
    max-width: 720px; margin: 0 auto;
    list-style: none;
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.checks li {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 18px;
    background: var(--bg-soft);
    border-radius: 12px;
    font-weight: 500;
}
.checks li::before {
    content: '✓';
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--green); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700; flex-shrink: 0;
}

/* For who */
.forwho { background: var(--bg-soft); }
.tags {
    max-width: 900px; margin: 0 auto;
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.tags span {
    padding: 12px 22px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-weight: 500;
    transition: all 0.2s;
}
.tags span:hover { border-color: var(--green); color: var(--green-dark); }

/* Example */
.example { background: var(--ink); color: white; }
.example h2 { display: none; }
.ex-inner {
    max-width: 1000px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr auto 1fr;
    gap: 30px; align-items: center;
}
.ex-side { text-align: center; }
.ex-label {
    text-transform: uppercase; letter-spacing: 0.1em;
    font-size: 0.75rem; color: var(--muted); margin-bottom: 14px;
}
.ex-msg {
    display: inline-block;
    background: #DCF8C6; color: var(--ink);
    padding: 14px 18px; border-radius: 14px;
    font-style: italic; max-width: 340px;
}
.ex-list {
    list-style: none;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 22px;
    display: inline-block; text-align: left;
}
.ex-list li {
    padding: 6px 0;
    display: flex; align-items: center; gap: 10px;
}
.ex-list li::before {
    content: '✓'; color: var(--green);
}
.ex-arrow {
    font-size: 2rem; color: var(--green);
    text-align: center;
}

/* Final */
.final {
    text-align: center;
    background: linear-gradient(135deg, var(--green-light), white);
}
.final h2 {
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--green-dark), var(--ink));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.final p {
    color: var(--ink-soft); margin-bottom: 36px;
    font-size: 1.1rem;
}

/* Footer */
footer {
    padding: 30px 32px;
    border-top: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.85rem; color: var(--muted);
}
footer a:hover { color: var(--green-dark); }

/* Responsive */
@media (max-width: 880px) {
    .hero { grid-template-columns: 1fr; padding: 50px 24px 70px; gap: 40px; }
    .phone { order: -1; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .checks { grid-template-columns: 1fr; }
    .ex-inner { grid-template-columns: 1fr; }
    .ex-arrow { transform: rotate(90deg); }
    section { padding: 60px 24px; }
}

@media (max-width: 480px) {
    .steps { grid-template-columns: 1fr; }
    .nav { padding: 14px 20px; }
}