/* ==========================================================================
   Stacko Digital - site.css  (v2 marketing site)
   Look & feel mirrors the Stacko product UI: charcoal sidebar (#16191F), dark-green
   active state (#143828), green accents (#00854D / #5BA88A), light-gray surfaces,
   lime (#D4EE00) kept only for the logo mark.
   Legacy pages (privacy, terms, results, review harvester) keep using styles.css.
   ========================================================================== */
:root {
  --ink: #16191F;
  --ink-2: #1E2329;
  --ink-3: #2A3038;
  --active: #143828;
  --green: #00854D;
  --green-hover: #006F40;
  --green-soft: #E7F4EC;
  --mint: #5BA88A;
  --lime: #D4EE00;
  --bg: #F9FAFB;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --text: #111827;
  --muted: #6B7280;
  --muted-2: #9CA3AF;
  --sky: #38BDF8;
  --violet: #A78BFA;
  --amber: #FBBF24;
  --rose: #FB7185;
  --teal: #2DD4BF;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, .06);
  --shadow: 0 10px 30px -12px rgba(17, 24, 39, .18);
  --shadow-lg: 0 30px 60px -20px rgba(17, 24, 39, .35);
  --max: 1180px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 132px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.025em; color: var(--text); }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer; transition: all .2s ease; white-space: nowrap; font-family: inherit; }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 6px 16px -6px rgba(0,133,77,.55); }
.btn-primary:hover { background: var(--green-hover); transform: translateY(-1px); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-outline { background: #fff; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text); }
.btn-ghost-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.25); }
.btn-ghost-dark:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-sm { padding: 8px 16px; font-size: .875rem; }

/* ---- Nav ---- */
.nav { position: sticky; top: 0; z-index: 100; background: var(--ink); border-bottom: 1px solid var(--ink-2); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: #111; display: flex; align-items: center; justify-content: center; }
.brand small { display: block; font-weight: 500; font-size: .68rem; color: rgba(255,255,255,.55); letter-spacing: .02em; margin-top: 1px; }
.nav-links { display: flex; gap: 6px; }
.nav-links a { padding: 8px 14px; border-radius: 8px; font-size: .92rem; font-weight: 500; color: rgba(255,255,255,.72); transition: all .15s; }
.nav-links a:hover { color: #fff; background: var(--ink-2); }
.nav-links a.active { color: #fff; background: var(--active); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }

/* ---- Sections ---- */
section { padding: 84px 0; }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--green); margin-bottom: 14px; }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.bg-white { background: #fff; }
.bg-ink { background: var(--ink); color: #E5E7EB; }
.bg-ink h2, .bg-ink h3, .bg-ink h4 { color: #fff; }
.bg-ink .section-head p { color: #9CA3AF; }
.bg-ink .eyebrow { color: var(--mint); }

/* ---- Hero ---- */
.hero { padding: 72px 0 40px; background: radial-gradient(1000px 420px at 85% -10%, rgba(0,133,77,.12), transparent 60%), radial-gradient(700px 300px at 5% 0%, rgba(212,238,0,.10), transparent 60%), var(--bg); overflow: hidden; }
.hero-copy { max-width: 820px; margin: 0 auto; text-align: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border); font-size: .82rem; font-weight: 600; color: var(--text); box-shadow: var(--shadow-sm); }
.badge i { color: var(--green); font-size: 1.05rem; }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); margin: 22px 0 18px; letter-spacing: -.035em; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-points { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-top: 26px; color: var(--muted); font-size: .9rem; }
.hero-points span { display: inline-flex; align-items: center; gap: 7px; }
.hero-points i { color: var(--green); }
.hero-frame { margin: 56px auto 0; max-width: 1040px; }

/* ---- Product mock frame (mirrors the real app) ---- */
.mock-note { text-align: center; font-size: .78rem; color: var(--muted-2); margin-top: 12px; }
.app { display: flex; background: var(--bg); border-radius: 16px; border: 1px solid #D1D5DB; overflow: hidden; box-shadow: var(--shadow-lg); text-align: left; font-size: 13px; min-height: 380px; }
.app-side { width: 188px; background: #16191F; color: #fff; flex-shrink: 0; padding: 14px 10px; display: flex; flex-direction: column; gap: 3px; }
.app-side .logo { display: flex; align-items: center; gap: 8px; padding: 2px 6px 12px; border-bottom: 1px solid #1E2329; margin-bottom: 8px; font-weight: 600; font-size: 12.5px; }
.app-side .logo .brand-mark { width: 24px; height: 24px; border-radius: 6px; }
.app-side .item { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border-radius: 6px; color: rgba(255,255,255,.7); font-size: 12px; }
.app-side .item i { font-size: 14px; }
.app-side .item.on { background: #143828; color: #fff; }
.app-side .item.on i { color: #5BA88A; }
.app-side .client { color: #fff; background: #143828; font-weight: 500; }
.app-side .sub { margin-left: 10px; padding-left: 8px; border-left: 1px solid #1E2329; display: flex; flex-direction: column; gap: 1px; }
.app-side .sub .item { padding: 5px 8px; font-size: 11.5px; }
.app-main { flex: 1; padding: 18px 20px; min-width: 0; }
.app-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.app-title h4 { font-size: 15px; letter-spacing: -.01em; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; background: #E7F4EC; color: #00703F; }
.chip.amber { background: #FEF3C7; color: #92400E; }
.chip.gray { background: #F3F4F6; color: #4B5563; }
.chip.sky { background: #E0F2FE; color: #075985; }
.chip.rose { background: #FFE4E6; color: #9F1239; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.stat { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; }
.stat b { display: block; font-size: 19px; letter-spacing: -.02em; }
.stat span { font-size: 11px; color: var(--muted); }
.card-mini { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.card-mini h5 { font-size: 12px; margin-bottom: 10px; letter-spacing: 0; }
.bars { display: flex; align-items: flex-end; gap: 7px; height: 92px; }
.bars i { flex: 1; background: linear-gradient(180deg, #5BA88A, #00854D); border-radius: 4px 4px 0 0; display: block; }
.bars i.alt { background: #D1D5DB; }
.funnel-row { display: flex; align-items: center; gap: 10px; margin: 7px 0; font-size: 11.5px; }
.funnel-row label { width: 74px; color: var(--muted); }
.funnel-row .track { flex: 1; height: 9px; background: #F3F4F6; border-radius: 99px; overflow: hidden; }
.funnel-row .track i { display: block; height: 100%; background: #00854D; border-radius: 99px; }
.funnel-row b { width: 38px; text-align: right; font-size: 11.5px; }
.two { display: grid; grid-template-columns: 1.3fr 1fr; gap: 10px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.tbl th { text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: 7px 8px; border-bottom: 1px solid var(--border); font-weight: 600; }
.tbl td { padding: 9px 8px; border-bottom: 1px solid #F3F4F6; }

/* inbox mock */
.inbox { display: grid; grid-template-columns: 148px minmax(0, 1fr) 138px; background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; min-height: 330px; text-align: left; font-size: 12.5px; box-shadow: var(--shadow); }
.inbox > div { min-width: 0; }
.convo-list { border-right: 1px solid var(--border); }
.convo { padding: 11px 12px; border-bottom: 1px solid #F3F4F6; display: flex; gap: 9px; }
.convo.on { background: var(--green-soft); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: #D1FAE5; color: #065F46; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 11px; flex-shrink: 0; }
.convo b { display: block; font-size: 12px; }
.convo { padding: 10px 9px; gap: 7px; }
.convo span { font-size: 11px; color: var(--muted); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 84px; }
.ctx { padding: 10px; }
.chat { background: #EFEAE2; padding: 14px; display: flex; flex-direction: column; gap: 8px; justify-content: flex-end; }
.msg { max-width: 78%; padding: 8px 11px; border-radius: 10px; background: #fff; font-size: 12px; box-shadow: var(--shadow-sm); }
.msg.out { align-self: flex-end; background: #D9FDD3; }
.msg small { display: block; color: var(--muted-2); font-size: 10px; text-align: right; margin-top: 2px; }
.ctx { border-left: 1px solid var(--border); padding: 12px; background: #fff; }
.ctx h6 { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 10px 0 5px; }
.ctx .line { font-size: 11.5px; margin-bottom: 3px; }

/* flow canvas mock */
.canvas { position: relative; background: #fff; background-image: radial-gradient(#D1D5DB 1px, transparent 1px); background-size: 18px 18px; border: 1px solid var(--border); border-radius: 12px; min-height: 300px; overflow: hidden; box-shadow: var(--shadow); }
.fnode { position: absolute; width: 150px; background: #fff; border: 2px solid #E5E7EB; border-radius: 12px; font-size: 11.5px; box-shadow: var(--shadow-sm); }
.fnode .h { display: flex; align-items: center; gap: 7px; padding: 7px 9px; border-radius: 10px 10px 0 0; font-weight: 700; font-size: 11px; }
.fnode .h i { width: 20px; height: 20px; border-radius: 6px; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; }
.fnode .b { padding: 6px 9px 8px; color: var(--muted); }
.fn-trigger .h { background: #D1FAE5; } .fn-trigger .h i { background: #10B981; } .fn-trigger { border-color: #10B981; }
.fn-msg .h { background: #DBEAFE; } .fn-msg .h i { background: #3B82F6; }
.fn-ask .h { background: #E0E7FF; } .fn-ask .h i { background: #6366F1; }
.fn-cond .h { background: #FEF3C7; } .fn-cond .h i { background: #F59E0B; }
.fn-wait .h { background: #E2E8F0; } .fn-wait .h i { background: #64748B; }
.fn-agent .h { background: #FFEDD5; } .fn-agent .h i { background: #F97316; }
.fn-tag .h { background: #CCFBF1; } .fn-tag .h i { background: #14B8A6; }
.canvas svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

/* keep wide mock panels inside their column on small screens */
.spot > *, .grid > *, .two > *, .contact-grid > * { min-width: 0; }
.canvas { overflow-x: auto; }
.app, .inbox { max-width: 100%; }
.app-main .tbl { display: block; overflow-x: auto; white-space: nowrap; }

/* ---- Grids / cards ---- */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: all .25s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #D1D5DB; }
.ico { width: 44px; height: 44px; border-radius: 11px; background: var(--ink); color: var(--mint); display: flex; align-items: center; justify-content: center; font-size: 1.35rem; margin-bottom: 16px; }
.ico.soft { background: var(--green-soft); color: var(--green); }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .95rem; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; color: var(--green); font-weight: 600; font-size: .9rem; }
.bg-ink .card { background: var(--ink-2); border-color: var(--ink-3); }
.bg-ink .card h3 { color: #fff; }
.bg-ink .card p { color: #9CA3AF; }
.bg-ink .ico { background: var(--active); color: var(--mint); }

.pillars .card { padding: 30px; }
.pillars .tag { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green); margin-bottom: 10px; display: block; }
.checks { display: grid; gap: 9px; margin-top: 16px; }
.checks li { display: flex; gap: 10px; font-size: .95rem; color: #374151; }
.checks li i { color: var(--green); font-size: 1.1rem; margin-top: 3px; flex-shrink: 0; }
.bg-ink .checks li { color: #D1D5DB; }
.bg-ink .checks li i { color: var(--mint); }

/* spotlight rows */
.spot { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.spot + .spot { margin-top: 84px; }
.spot.rev .spot-copy { order: 2; }
.spot-copy h3 { font-size: clamp(1.6rem, 2.6vw, 2.15rem); margin: 6px 0 14px; }
.spot-copy p { color: var(--muted); font-size: 1.05rem; }
.spot-copy .btn { margin-top: 22px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; position: relative; }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: 20px; right: 22px; font-size: 2.4rem; font-weight: 800; color: #EEF0F2; letter-spacing: -.04em; }
.step h3 { font-size: 1.08rem; margin: 6px 0 8px; }
.step p { color: var(--muted); font-size: .93rem; }

/* tabs (platform page) */
.subnav { position: sticky; top: 68px; z-index: 50; background: rgba(249,250,251,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.subnav-inner { display: flex; gap: 6px; overflow-x: auto; padding: 10px 0; }
.subnav a { padding: 7px 14px; border-radius: 999px; font-size: .85rem; font-weight: 600; color: var(--muted); white-space: nowrap; border: 1px solid transparent; }
.subnav a:hover { color: var(--text); background: #fff; border-color: var(--border); }
.module { padding: 64px 0; border-bottom: 1px solid var(--border); }
.module:last-of-type { border-bottom: 0; }
.module .spot { align-items: start; }
.cols-2 { columns: 2; column-gap: 28px; }
.cols-2 li { break-inside: avoid; }

/* status table */
.status { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; font-size: .94rem; }
.status th, .status td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.status th { background: #F3F4F6; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.status tr:last-child td { border-bottom: 0; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .76rem; font-weight: 700; }
.pill.live { background: #D1FAE5; color: #065F46; }
.pill.soon { background: #FEF3C7; color: #92400E; }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; padding: 0 22px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--green); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding: 0 0 18px; }

/* CTA band */
.cta { background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 60px 40px; text-align: center; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; width: 520px; height: 520px; left: 50%; top: -260px; transform: translateX(-50%); background: radial-gradient(circle, rgba(0,133,77,.45), transparent 70%); }
.cta > * { position: relative; }
.cta h2 { color: #fff; font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 12px; }
.cta p { color: #9CA3AF; font-size: 1.08rem; max-width: 560px; margin: 0 auto 26px; }
.cta .hero-cta { margin-top: 4px; }

/* page hero (inner pages) */
.page-hero { padding: 64px 0 56px; background: radial-gradient(900px 300px at 80% -20%, rgba(0,133,77,.13), transparent 60%), var(--bg); border-bottom: 1px solid var(--border); }
.page-hero h1 { font-size: clamp(2.1rem, 4.2vw, 3.2rem); margin: 14px 0 14px; letter-spacing: -.03em; }
.page-hero p { font-size: 1.15rem; color: var(--muted); max-width: 700px; }
.page-hero.center p { margin: 0 auto; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: .82rem; font-weight: 600; color: #374151; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; font: inherit; background: #fff; color: var(--text); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(0,133,77,.35); border-color: var(--green); }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 10px; }
.contact-card { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-card:last-child { border-bottom: 0; }
.contact-card i { width: 40px; height: 40px; border-radius: 10px; background: var(--green-soft); color: var(--green); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; flex-shrink: 0; }
.contact-card b { display: block; margin-bottom: 2px; }
.contact-card p, .contact-card a { color: var(--muted); font-size: .95rem; }

/* footer */
.footer { background: var(--ink); color: #9CA3AF; padding: 70px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 16px; letter-spacing: 0; }
.footer a { display: block; color: #9CA3AF; font-size: .92rem; margin-bottom: 11px; }
.footer a:hover { color: #fff; }
.footer .about { font-size: .92rem; margin: 14px 0 18px; max-width: 320px; }
.footer .legal { border-top: 1px solid var(--ink-3); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .84rem; }
.footer .socials { display: flex; gap: 10px; }
.footer .socials a { width: 36px; height: 36px; margin: 0; border-radius: 9px; background: var(--ink-2); display: flex; align-items: center; justify-content: center; color: #fff; }
.footer .socials a:hover { background: var(--green); }

/* ---- Responsive ---- */
@media (max-width: 1000px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .spot, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .spot.rev .spot-copy { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .app-side { display: none; }
  .inbox { grid-template-columns: 170px 1fr; }
  .inbox .ctx { display: none; }
}
.nav-links a, .brand > span, .nav-actions .btn { white-space: nowrap; }
@media (max-width: 940px) {
  .nav-links, .nav-actions .btn-outline-nav { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--ink); padding: 14px 24px 20px; border-bottom: 1px solid var(--ink-2); z-index: 99; }
}
@media (max-width: 760px) {
  section { padding: 60px 0; }
  .g2, .g3, .g4, .steps { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .two { grid-template-columns: 1fr; }
  .cols-2 { columns: 1; }
  .footer-top { grid-template-columns: 1fr; }
  .cta { padding: 44px 22px; }
  .inbox { grid-template-columns: 1fr; }
  .convo-list { display: none; }
  .canvas { min-height: 520px; }
  .status th:nth-child(3), .status td:nth-child(3) { display: none; }
}