/* Bark AI — landing page styles.
   Palette: warm cream backdrop (#F4F1EA), indigo accent (#4F46E5).
   Typography: system stack; no web fonts (fast load, fewer trackers). */

:root {
    --bg:             #F4F1EA;
    --bg-alt:         #FFFFFF;
    --ink:            #0F172A;
    --ink-soft:       #334155;
    --ink-mute:       #64748B;
    --accent:         #4F46E5;
    --accent-ink:     #312E81;
    --accent-soft:    #EEF2FF;
    --border:         #E2E8F0;
    --success:        #047857;
    --warn:           #B45309;
    --danger:         #B91C1C;
    --radius:         12px;
    --radius-lg:      20px;
    --shadow-sm:      0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow:         0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg:      0 18px 40px rgba(15, 23, 42, 0.12);
    --max-width:      1160px;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    font-size: 17px;
    line-height: 1.55;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

a { color: var(--accent); }
a:hover { color: var(--accent-ink); }

img { max-width: 100%; height: auto; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- header ---- */
.site-header {
    position: sticky; top: 0;
    background: rgba(244, 241, 234, 0.92);
    backdrop-filter: saturate(160%) blur(8px);
    -webkit-backdrop-filter: saturate(160%) blur(8px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    z-index: 10;
}
.site-header nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px;
}
.brand {
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 600; font-size: 19px;
    color: var(--ink); text-decoration: none;
}
.brand-mark { font-size: 22px; }
.nav-links {
    display: flex; align-items: center; gap: 24px;
    font-size: 15px;
}
.nav-links a {
    color: var(--ink-soft);
    text-decoration: none;
}
.nav-links a:hover { color: var(--ink); }

/* ---- buttons ---- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    font-weight: 500; font-size: 15px;
    text-decoration: none;
    transition: transform 80ms ease, box-shadow 120ms ease, background 120ms ease;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--accent-ink); color: #fff; }
.btn-ghost {
    background: transparent;
    border-color: var(--ink-soft);
    color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-small { padding: 8px 14px; font-size: 14px; }
.btn-large { padding: 14px 24px; font-size: 17px; }
.btn-full  { display: flex; width: 100%; }

/* ---- hero ---- */
.hero {
    padding: 72px 0 96px;
}
.hero-inner {
    max-width: 820px;
    text-align: center;
}
.eyebrow {
    display: inline-block;
    padding: 6px 14px;
    background: var(--accent-soft);
    color: var(--accent-ink);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
}
.hero h1 {
    margin: 20px 0 18px;
    font-size: clamp(34px, 5.5vw, 56px);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
}
.hero h1 em {
    font-style: normal;
    color: var(--accent);
}
.lede {
    margin: 0 auto 28px;
    max-width: 620px;
    font-size: clamp(17px, 2vw, 20px);
    color: var(--ink-soft);
}
.hero-cta {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 20px;
}
.hero-proof {
    color: var(--ink-mute);
    font-size: 14px;
}

/* ---- sections ---- */
section { scroll-margin-top: 80px; }

.features, .trust, .faq, .early-bird, .pricing {
    padding: 84px 0;
}
.features { background: var(--bg-alt); }
.trust    { background: var(--bg); }
.early-bird { background: var(--accent); color: #fff; }
.pricing  { background: var(--bg-alt); }

section h2 {
    margin: 0 0 14px;
    font-size: clamp(28px, 3.5vw, 38px);
    font-weight: 700;
    letter-spacing: -0.01em;
    text-align: center;
}
.section-lede {
    max-width: 640px;
    margin: 0 auto 44px;
    text-align: center;
    color: var(--ink-soft);
    font-size: 17px;
}
.early-bird .section-lede { color: rgba(255, 255, 255, 0.9); }

/* ---- features ---- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}
.feature-card {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-alt);
}
.feature-icon {
    font-size: 28px;
    margin-bottom: 10px;
}
.feature-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
}
.feature-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.55;
}

/* ---- pricing ---- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    max-width: 780px;
    margin: 0 auto;
}
.pricing-card {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-alt);
    position: relative;
}
.pricing-card-featured {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}
.pricing-card .badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--accent);
    color: #fff;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.pricing-card h3 {
    margin: 0 0 6px;
    font-size: 18px;
}
.price {
    display: flex; align-items: baseline; gap: 6px;
    margin-bottom: 4px;
}
.price-amount { font-size: 36px; font-weight: 700; }
.price-unit   { color: var(--ink-mute); font-size: 14px; }
.pricing-sub  { color: var(--ink-mute); font-size: 14px; margin-top: 0; }
.pricing-list {
    list-style: none;
    padding: 0;
    margin: 18px 0 22px;
    font-size: 15px;
    line-height: 1.7;
}
.pricing-list li { color: var(--ink-soft); }

/* ---- trust ---- */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.trust-pill {
    padding: 20px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.trust-icon { font-size: 24px; margin-bottom: 8px; }
.trust-pill h3 {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 600;
}
.trust-pill p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.55;
}

/* ---- early-bird form ---- */
.early-inner {
    max-width: 600px;
    text-align: center;
}
.early-bird h2 { color: #fff; }
.early-count {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 10px;
    background: rgba(255,255,255,0.2);
    border-radius: 999px;
    font-size: 13px;
}
.waitlist-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    max-width: 520px;
    margin: 0 auto 12px;
}
.waitlist-form input {
    flex: 1 1 260px;
    padding: 14px 18px;
    font-size: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-radius: 999px;
    min-width: 0;
    outline: none;
}
.waitlist-form input::placeholder { color: rgba(255,255,255,0.65); }
.waitlist-form input:focus { background: rgba(255,255,255,0.2); }
.waitlist-form .btn-primary {
    background: #fff;
    color: var(--accent);
}
.waitlist-form .btn-primary:hover { background: #EEF2FF; color: var(--accent); }
.waitlist-status {
    min-height: 1.4em;
    margin: 4px 0 12px;
    font-size: 14px;
}
.waitlist-status.success { color: #C7D2FE; }
.waitlist-status.error   { color: #FEE2E2; }
.fine-print {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 420px;
    margin: 0 auto;
}

/* ---- FAQ ---- */
.faq details {
    max-width: 780px;
    margin: 10px auto;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.faq summary {
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 500;
    font-size: 16px;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq summary::after {
    content: "＋";
    margin-left: 12px;
    color: var(--ink-mute);
    transition: transform 120ms ease;
}
.faq details[open] summary::after {
    content: "−";
}
.faq details p {
    padding: 0 20px 18px;
    color: var(--ink-soft);
    font-size: 15px;
    margin: 0;
}

/* ---- footer ---- */
.site-footer {
    padding: 48px 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}
.footer-inner {
    display: grid;
    gap: 24px;
    grid-template-columns: 1.5fr 2fr;
    align-items: start;
}
.footer-brand .brand-name { font-size: 17px; font-weight: 600; }
.footer-tag {
    margin: 8px 0 0;
    color: var(--ink-mute);
    font-size: 14px;
}
.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    font-size: 14px;
}
.footer-nav h4 {
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin: 0 0 8px;
}
.footer-nav a {
    display: block;
    padding: 2px 0;
    color: var(--ink-soft);
    text-decoration: none;
}
.footer-nav a:hover { color: var(--ink); }
.copyright {
    grid-column: 1 / -1;
    color: var(--ink-mute);
    font-size: 13px;
    margin: 0;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* ---- legal pages (privacy / terms / support) ---- */
.legal {
    padding: 56px 0 84px;
    background: var(--bg-alt);
}
.legal .container {
    max-width: 740px;
}
.legal h1 {
    font-size: clamp(28px, 4vw, 40px);
    margin: 0 0 8px;
}
.legal .updated {
    color: var(--ink-mute);
    font-size: 14px;
    margin-bottom: 32px;
}
.legal h2 {
    font-size: 20px;
    margin: 32px 0 10px;
    text-align: left;
}
.legal h3 {
    font-size: 16px;
    margin: 22px 0 8px;
}
.legal p, .legal li {
    color: var(--ink-soft);
    font-size: 16px;
    line-height: 1.6;
}
.legal ul { padding-left: 1.2em; }

/* ---- responsive ---- */
@media (max-width: 640px) {
    .nav-links a:not(.btn) { display: none; }
    .hero { padding: 48px 0 64px; }
    .features, .trust, .faq, .early-bird, .pricing { padding: 56px 0; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-nav { grid-template-columns: 1fr 1fr; }
}

@media (prefers-color-scheme: dark) {
    /* Kept light for launch — warm cream reads as inviting for the brief. */
}