/* FeedbackHub public site — design system
   Brand tokens follow public/brand/feedbackhub/brand-kit.md */

:root {
    --ink: #0F172A;
    --slate: #334155;
    --muted: #64748B;
    --line: #E2E8F0;
    --line-soft: #EEF2F7;
    --paper: #F8FAFC;
    --blue: #2563EB;
    --blue-dark: #1D4ED8;
    --blue-soft: #EFF6FF;
    --sky: #60A5FA;
    --teal: #14B8A6;
    --teal-soft: #ECFDF5;
    --amber: #F59E0B;
    --amber-soft: #FFFBEB;
    --rose: #E11D48;
    --rose-soft: #FFF1F2;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px -12px rgba(15, 23, 42, .12);
    --shadow-lg: 0 2px 4px rgba(15, 23, 42, .04), 0 24px 60px -20px rgba(15, 23, 42, .22);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--slate);
    background: #fff;
    font-size: 17px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.25; margin: 0 0 .6em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 1.4rem + 2.4vw, 3.25rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.25rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.02rem; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.25em; }
li { margin-bottom: .45em; }
strong { color: var(--ink); font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; color: var(--ink); }
blockquote { margin: 0 0 1.2em; padding: 4px 0 4px 20px; border-left: 3px solid var(--sky); color: var(--slate); font-style: normal; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 22px; }
.wrap-narrow { max-width: 780px; }
.section { padding: 76px 0; }
.section-sm { padding: 52px 0; }
.section-tint { background: var(--paper); }
.section-ink { background: var(--ink); color: #CBD5E1; }
.section-ink h2, .section-ink h3 { color: #fff; }
.section-line { border-top: 1px solid var(--line-soft); }
.center { text-align: center; }
.lede { font-size: 1.16rem; color: var(--muted); max-width: 44em; }
.center .lede { margin-left: auto; margin-right: auto; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.section-ink .eyebrow { color: var(--sky); }
.stack > * + * { margin-top: 14px; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.94); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--line-soft); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.16rem; color: var(--ink); letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; color: var(--ink); }
.brand img { height: 30px; width: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { color: var(--slate); font-weight: 550; font-size: .96rem; padding: 8px 12px; border-radius: 8px; }
.site-nav a:hover { background: var(--paper); color: var(--ink); text-decoration: none; }
.site-nav a.is-active { color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; width: 42px; height: 38px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; }
.nav-toggle span::before { content: ""; position: absolute; top: -6px; left: 0; width: 18px; height: 2px; background: var(--ink); }
.nav-toggle span::after { content: ""; position: absolute; top: 6px; left: 0; width: 18px; height: 2px; background: var(--ink); }

/* dropdown */
.has-menu { position: relative; }
.has-menu > .menu-panel { display: none; position: absolute; top: calc(100% + 8px); left: 0; min-width: 310px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 10px; }
.has-menu:hover > .menu-panel, .has-menu:focus-within > .menu-panel { display: block; }
.menu-panel a { display: block; padding: 9px 11px; border-radius: 8px; font-size: .93rem; line-height: 1.45; }
.menu-panel a strong { display: block; color: var(--ink); font-weight: 600; }
.menu-panel a span { color: var(--muted); font-size: .84rem; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: .98rem; border: 1.5px solid transparent; cursor: pointer; transition: background .15s ease, border-color .15s ease; text-align: center; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--slate); color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: var(--paper); color: var(--ink); }
.btn-outline-light { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-outline-light:hover { border-color: #fff; color: #fff; }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.center .btn-row { justify-content: center; }

/* ---------- hero ---------- */
.hero { padding: 76px 0 64px; background: linear-gradient(180deg, var(--blue-soft) 0%, rgba(239,246,255,0) 78%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero p.lede { font-size: 1.2rem; }
.hero-note { font-size: .9rem; color: var(--muted); margin-top: 18px; }
.page-head { padding: 62px 0 40px; border-bottom: 1px solid var(--line-soft); background: linear-gradient(180deg, var(--paper) 0%, #fff 100%); }

/* ---------- cards & grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin-bottom: .45em; }
.card p:last-child { margin-bottom: 0; }
.card-tint { background: var(--paper); border-color: var(--line-soft); }
.card-raise { box-shadow: var(--shadow); }
.card-link { display: block; color: inherit; }
.card-link:hover { text-decoration: none; border-color: var(--sky); box-shadow: var(--shadow); }
.card-link:hover h3 { color: var(--blue); }
.icon-badge { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 11px; background: var(--blue-soft); color: var(--blue); margin-bottom: 16px; }
.icon-badge svg { width: 21px; height: 21px; }
.icon-badge.teal { background: var(--teal-soft); color: #0F766E; }
.icon-badge.amber { background: var(--amber-soft); color: #B45309; }
.icon-badge.rose { background: var(--rose-soft); color: var(--rose); }

/* ---------- split feature rows ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 76px; }
.split.reverse .split-media { order: -1; }

/* ---------- steps ---------- */
.steps { counter-reset: step; display: grid; gap: 26px; }
.step { display: flex; gap: 18px; align-items: flex-start; }
.step-n { counter-increment: step; flex: 0 0 38px; height: 38px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: .95rem; }
.step-n::before { content: counter(step); }
.step h3 { margin-bottom: .3em; }
.step p:last-child { margin-bottom: 0; }

/* ---------- checklist ---------- */
.checklist { list-style: none; padding: 0; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: .6em; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .5em; width: 17px; height: 17px; border-radius: 50%; background: var(--teal-soft); border: 1.5px solid var(--teal); }
.checklist li::after { content: ""; position: absolute; left: 5.5px; top: .76em; width: 5px; height: 8px; border-right: 2px solid #0F766E; border-bottom: 2px solid #0F766E; transform: rotate(42deg); }

/* ---------- metric strip ---------- */
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.metric { border-left: 3px solid var(--sky); padding-left: 18px; }
.metric .num { display: block; font-size: 1.7rem; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; }
.metric .lbl { font-size: .93rem; color: var(--muted); }

/* ---------- mock UI panel ---------- */
.mock { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: var(--paper); border-bottom: 1px solid var(--line); }
.mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: #CBD5E1; display: block; }
.mock-bar strong { margin-left: 8px; font-size: .74rem; color: var(--muted); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.mock-body { padding: 22px; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.mock-kpi { background: var(--paper); border-radius: var(--radius-sm); padding: 12px 14px; }
.mock-kpi span { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.mock-kpi b { font-size: 1.35rem; color: var(--ink); letter-spacing: -0.02em; }
.mock-chart { display: flex; align-items: flex-end; gap: 7px; height: 96px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.mock-chart i { flex: 1; background: linear-gradient(180deg, var(--sky), var(--blue)); border-radius: 4px 4px 0 0; display: block; }
.mock-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line-soft); font-size: .88rem; }
.mock-row:first-of-type { border-top: 0; }
.mock-row span { color: var(--slate); }
.tag { display: inline-block; font-size: .74rem; font-weight: 650; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.tag-pos { background: var(--teal-soft); color: #0F766E; }
.tag-neg { background: var(--rose-soft); color: #BE123C; }
.tag-neu { background: var(--paper); color: var(--muted); }
.stars { color: var(--amber); letter-spacing: 1px; }

/* ---------- table ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 640px; background: #fff; }
table.cmp th, table.cmp td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); font-size: .95rem; vertical-align: top; }
table.cmp thead th { background: var(--paper); color: var(--ink); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
table.cmp tbody tr:last-child td { border-bottom: 0; }
table.cmp td.yes { color: #0F766E; font-weight: 700; }
table.cmp td.no { color: #94A3B8; }

/* ---------- plans ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; background: #fff; }
.plan.featured { border: 2px solid var(--blue); box-shadow: var(--shadow); position: relative; }
.plan .badge-top { position: absolute; top: -13px; left: 26px; background: var(--blue); color: #fff; font-size: .7rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }
.plan .tier { font-size: 1.15rem; font-weight: 700; color: var(--ink); }
.plan .who { color: var(--muted); font-size: .93rem; margin: 4px 0 18px; }
.plan .checklist { margin-bottom: 24px; }
.plan .btn { width: 100%; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 20px 42px 20px 0; font-weight: 650; color: var(--ink); font-size: 1.04rem; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 15px; font-size: 1.6rem; font-weight: 400; color: var(--blue); line-height: 1; }
.faq details[open] summary::after { content: "\2013"; }
.faq .faq-body { padding: 0 8px 22px 0; }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%); color: #fff; border-radius: 18px; padding: 54px 44px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #C7D2FE; max-width: 42em; margin-left: auto; margin-right: auto; }

/* ---------- breadcrumbs ---------- */
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--blue); }
.crumbs span { margin: 0 7px; color: #CBD5E1; }

/* ---------- prose ---------- */
.prose h2 { margin-top: 1.9em; }
.prose h3 { margin-top: 1.6em; }
.prose > :first-child { margin-top: 0; }

/* ---------- forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; color: var(--ink); font-size: .93rem; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit; color: var(--ink); background: #fff; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 3px rgba(96,165,250,.25); }
.field .hint { font-size: .84rem; color: var(--muted); margin-top: 5px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.alert { border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 20px; font-size: .95rem; }
.alert-ok { background: var(--teal-soft); color: #0F766E; border: 1px solid #99F6E4; }
.alert-err { background: var(--rose-soft); color: #BE123C; border: 1px solid #FECDD3; }
.alert ul { margin: 0; padding-left: 18px; }
.alert p:last-child { margin-bottom: 0; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #94A3B8; padding: 58px 0 30px; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
.site-footer h4 { color: #fff; font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; margin-bottom: 14px; }
.site-footer a { color: #94A3B8; display: inline-block; padding: 3px 0; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.site-footer .brand { color: #fff; }
.site-footer .brand:hover { color: #fff; }
.footer-about { max-width: 32em; margin-top: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 42px; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: .87rem; }

/* ---------- skip link ---------- */
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 100; }
.skip-link:focus { left: 0; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
    .hero-grid, .split { grid-template-columns: 1fr; gap: 34px; }
    .split.reverse .split-media { order: 0; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .plans { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
    .nav-toggle { display: inline-flex; }
    .site-nav { display: none; position: absolute; top: 100%; left: -22px; right: -22px; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 12px 22px 20px; gap: 2px; box-shadow: var(--shadow); }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 11px 8px; }
    .has-menu > .menu-panel { display: block; position: static; border: 0; box-shadow: none; padding: 0 0 0 10px; min-width: 0; }
    .menu-panel a span { display: none; }
}
@media (max-width: 720px) {
    body { font-size: 16px; }
    .section { padding: 54px 0; }
    .grid-3, .grid-2, .metrics, .mock-kpis { grid-template-columns: 1fr; }
    .field-row { grid-template-columns: 1fr; }
    .cta-band { padding: 38px 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 520px) {
    .grid-4 { grid-template-columns: 1fr; }
    .btn-row .btn { width: 100%; }
}
@media print {
    .site-header, .site-footer, .cta-band { display: none; }
}