/* StockIT — landing styles
   Brand tokens lifted from the existing PayPal checkout/success pages so the
   marketing site and the payment flow share one visual language. */

:root {
  --bg: #0b1220;
  --bg-2: #0f172a;
  --card: rgba(255, 255, 255, 0.04);
  --card-2: rgba(255, 255, 255, 0.02);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --accent-ink: #052e16;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --accent-line: rgba(34, 197, 94, 0.30);
  --accent-text: #bbf7d0;
  --link: #60a5fa;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.42);
  --maxw: 1140px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(34, 197, 94, 0.10), transparent 60%),
    radial-gradient(1000px 600px at 90% 0%, rgba(96, 165, 250, 0.08), transparent 55%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

section { padding: 88px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; margin: 0 0 12px; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px;
  background: var(--accent-soft); border: 1px solid var(--accent-line);
  color: var(--accent-text); font-weight: 600; font-size: 13px; letter-spacing: .4px;
  text-transform: uppercase;
}

/* ----------------------------- buttons ----------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 22px; border-radius: var(--radius-sm);
  font-weight: 800; font-size: 15px; cursor: pointer;
  border: 1px solid var(--border-strong); background: transparent; color: var(--text);
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, opacity .12s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-primary {
  background: var(--accent); color: var(--accent-ink); border: none;
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.25);
}
.btn-primary:hover { box-shadow: 0 16px 40px rgba(34, 197, 94, 0.35); }
.btn-ghost { background: rgba(255, 255, 255, 0.04); }
.btn[disabled], .btn.is-disabled {
  opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none;
}

/* ------------------------------- nav ------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.nav.scrolled {
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 19px; color: var(--text); }
.brand img { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.brand span b { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; color: var(--text); cursor: pointer; }

/* ------------------------------ hero ------------------------------- */
/* Single-column, centered hero — headline + supporting text + CTA only.
   Capability strip lives below in its own section. */
.hero { padding-top: 64px; padding-bottom: 56px; }
.hero-grid { display: block; }
.hero-copy { max-width: 760px; margin: 0 auto; text-align: center; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px); line-height: 1.05; font-weight: 800;
  letter-spacing: -1.2px; margin: 20px 0 20px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, #22c55e 0%, #4ade80 40%, #60a5fa 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  font-size: 19px; color: var(--muted);
  margin: 0 auto 22px; max-width: 620px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.dot { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

/* hero visual: a mock "signal" card */
.hero-visual { position: relative; }
.glass {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); backdrop-filter: blur(6px);
}
.signal-card { padding: 22px; }
.signal-card .row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.signal-card .ticker { font-weight: 800; font-size: 18px; letter-spacing: .5px; }
.tag { font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px; }
.tag.up { background: var(--accent-soft); color: var(--accent-text); border: 1px solid var(--accent-line); }
.spark { height: 92px; border-radius: 12px; background:
  linear-gradient(180deg, rgba(34,197,94,.18), rgba(34,197,94,0)) , rgba(255,255,255,.02);
  border: 1px solid var(--border); position: relative; overflow: hidden; }
.spark svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.signal-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.signal-meta div { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 10px; padding: 10px; }
.signal-meta small { color: var(--muted); display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.signal-meta b { font-size: 15px; }
.floaty { animation: floaty 6s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ----------------------------- features ---------------------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature { padding: 26px; }
.feature .icon {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent); margin-bottom: 16px;
}
.feature h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }
.card-hover { transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease; }
.card-hover:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: 0 24px 60px rgba(0,0,0,.5); }

/* ------------------------------ about ------------------------------ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 14px; }
.about li { display: flex; gap: 12px; color: var(--muted); }
.check { flex: 0 0 auto; width: 22px; height: 22px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-weight: 900; display: grid; place-items: center; font-size: 13px; margin-top: 2px; }
.about li b { color: var(--text); }

/* ------------------------------ metrics ---------------------------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.metric { padding: 26px; text-align: center; }
.metric .num { font-size: 34px; font-weight: 800; color: var(--accent); letter-spacing: -1px; }
.metric .lbl { color: var(--muted); font-size: 14px; margin-top: 6px; }
.placeholder-note { text-align: center; color: var(--muted); font-size: 13px; margin-top: 18px; font-style: italic; }

/* ------------------------------ plans ------------------------------ */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; align-items: stretch; max-width: 860px; margin: 0 auto; }
.plan { padding: 30px; display: flex; flex-direction: column; position: relative; }
.plan.featured { border-color: var(--accent-line); box-shadow: 0 24px 70px rgba(34,197,94,.12); }
.plan .ribbon {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 12px;
  padding: 6px 14px; border-radius: 999px; letter-spacing: .4px;
}
.plan h3 { margin: 0 0 4px; font-size: 20px; }
.plan .price { font-size: 30px; font-weight: 800; margin: 10px 0 2px; }
.plan .price small { font-size: 14px; color: var(--muted); font-weight: 600; }
.plan .desc { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 11px; flex: 1; }
.plan li { color: var(--muted); font-size: 14.5px; display: flex; gap: 10px; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 900; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; padding: 1px 7px; border-radius: 6px; background: var(--accent-soft); color: var(--accent-text); border: 1px solid var(--accent-line); }
.plan .btn { width: 100%; }
.plan .soon { text-align: center; font-size: 12px; color: var(--muted); margin-top: 10px; }

/* --------------------------- testimonials -------------------------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote { padding: 24px; }
.quote p { margin: 0 0 18px; font-size: 15px; }
.who { display: flex; align-items: center; gap: 12px; }
.avatar { width: 40px; height: 40px; border-radius: 999px; background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent-text); display: grid; place-items: center; font-weight: 800; }
.who b { font-size: 14px; }
.who small { color: var(--muted); display: block; font-size: 12px; }

/* ------------------------------- faq ------------------------------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { padding: 4px 20px; }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 700; font-size: 16px; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 22px; font-weight: 800; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 0 0 18px; }

/* ---------------------------- disclaimer --------------------------- */
.disclaimer .glass { padding: 30px 32px; border-color: var(--accent-line); display: block; }
.disclaimer .glass > div { padding: 16px 0; border-bottom: 1px solid var(--border); }
.disclaimer .glass > div:first-child { padding-top: 0; }
.disclaimer .glass > div:last-child { padding-bottom: 0; border-bottom: none; }
.disclaimer b { color: var(--text); display: block; margin-bottom: 6px; font-size: 15px; }
.disclaimer p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.6; }

/* ----------------------------- contact ----------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.contact-info .glass { padding: 26px; margin-bottom: 18px; }
.contact-info h3 { margin: 0 0 8px; }
.contact-info p { color: var(--muted); margin: 0; }
form.contact { padding: 28px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; color: var(--text); }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: rgba(255, 255, 255, 0.05);
  color: var(--text); font-size: 15px; font-family: var(--font); outline: none;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.field input:focus, .field textarea:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.field textarea { resize: vertical; min-height: 130px; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }
.form-status { margin-top: 14px; font-size: 14px; min-height: 20px; }
.form-status.ok { color: var(--accent-text); }
.form-status.err { color: #fca5a5; }

/* ------------------------------ footer ----------------------------- */
.footer { border-top: 1px solid var(--border); padding: 56px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.footer .brand { margin-bottom: 14px; }
.footer p { color: var(--muted); font-size: 14px; margin: 0 0 16px; max-width: 360px; }
.footer h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .5px; color: var(--text); margin: 0 0 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--muted); font-size: 14px; }
.footer ul a:hover { color: var(--text); text-decoration: none; }
.socials { display: flex; gap: 12px; margin-top: 4px; }
.socials a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border); display: grid; place-items: center; color: var(--muted); }
.socials a:hover { color: var(--accent); border-color: var(--accent-line); text-decoration: none; }
.copyright { border-top: 1px solid var(--border); padding-top: 22px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ----------------------------- reveal ------------------------------ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* --------------------------- live engine --------------------------- */
.live { position: relative; }
.eyebrow .pulse, .live-badge .pulse, .pill i {
  width: 8px; height: 8px; border-radius: 999px; background: var(--accent);
  display: inline-block; animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .5); }
  70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.live-board { padding: 22px; }
.live-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.live-badge { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 12px; letter-spacing: .6px; color: var(--accent-text); background: var(--accent-soft); border: 1px solid var(--accent-line); padding: 6px 12px; border-radius: 999px; }
.live-clock { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; letter-spacing: .5px; }

.live-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.live-panel { background: rgba(255, 255, 255, .03); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.live-panel-head { display: flex; align-items: center; justify-content: space-between; font-weight: 700; font-size: 14px; margin-bottom: 14px; }
.live-mini { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; background: rgba(255, 255, 255, .05); border: 1px solid var(--border); padding: 3px 8px; border-radius: 999px; font-variant-numeric: tabular-nums; }

.scanbar { height: 8px; border-radius: 999px; background: rgba(255, 255, 255, .06); overflow: hidden; }
.scanbar-fill { display: block; height: 100%; width: 30%; border-radius: 999px; background: linear-gradient(90deg, #22c55e, #4ade80); transition: width .6s ease; }
.live-status-line { margin-top: 12px; font-size: 13px; color: var(--muted); min-height: 18px; }

.momentum { margin-top: 16px; display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.mbars { display: flex; align-items: flex-end; gap: 4px; height: 28px; }
.mbars i { width: 6px; background: var(--accent-line); border-radius: 3px; transform-origin: bottom; animation: eq 1.4s ease-in-out infinite; }
.mbars i:nth-child(1) { height: 40%; animation-delay: 0s; }
.mbars i:nth-child(2) { height: 70%; animation-delay: .1s; }
.mbars i:nth-child(3) { height: 55%; animation-delay: .2s; }
.mbars i:nth-child(4) { height: 90%; animation-delay: .3s; }
.mbars i:nth-child(5) { height: 65%; animation-delay: .4s; }
.mbars i:nth-child(6) { height: 80%; animation-delay: .5s; }
.mbars i:nth-child(7) { height: 50%; animation-delay: .6s; }
@keyframes eq { 0%, 100% { transform: scaleY(.45); background: var(--accent-line); } 50% { transform: scaleY(1); background: var(--accent); } }

.feed { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; min-height: 196px; align-content: start; }
.feed li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; background: rgba(255, 255, 255, .03); border: 1px solid var(--border); animation: feedin .5s ease; }
@keyframes feedin { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.feed .tk { font-weight: 800; letter-spacing: .4px; flex: 1; }
.feed .st { font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 999px; }
.feed .st.up { background: var(--accent-soft); color: var(--accent-text); border: 1px solid var(--accent-line); }
.feed .st.watch { background: rgba(96, 165, 250, .12); color: #bfdbfe; border: 1px solid rgba(96, 165, 250, .3); }
.feed .st.mon { background: rgba(255, 255, 255, .05); color: var(--muted); border: 1px solid var(--border); }
.feed .ago { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 30px; text-align: right; }

.live-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.pill { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); padding: 7px 12px; border-radius: 999px; background: rgba(255, 255, 255, .03); border: 1px solid var(--border); }

.tg-toast { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: 14px; background: rgba(11, 18, 32, .92); border: 1px solid var(--accent-line); box-shadow: var(--shadow); backdrop-filter: blur(8px); transform: translateY(160%); opacity: 0; transition: transform .45s ease, opacity .45s ease; max-width: 300px; }
.tg-toast.show { transform: none; opacity: 1; }
.tg-toast .tg-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent); flex: 0 0 auto; }
.tg-toast b { font-size: 13px; display: block; }
.tg-toast small { color: var(--muted); font-size: 12px; }

/* ------------------------ how it works ----------------------------- */
.pipeline { max-width: 840px; margin: 0 auto; display: grid; gap: 14px; }
.step { display: flex; gap: 18px; padding: 22px 24px; align-items: flex-start; }
.step-num {
  flex: 0 0 auto; width: 48px; height: 48px; border-radius: 13px;
  display: grid; place-items: center; font-weight: 800; font-size: 16px;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line);
  font-variant-numeric: tabular-nums;
}
.step-body h3 { margin: 0 0 6px; font-size: 17px; font-weight: 700; }
.step-body p { margin: 0; color: var(--muted); font-size: 15px; }
.method-note { max-width: 840px; margin: 22px auto 0; text-align: center; color: var(--muted); font-size: 13px; line-height: 1.6; }

/* ----------------- hero supporting line ------------------ */
.hero-sub {
  color: var(--text); font-size: 16px; font-weight: 600;
  margin: 0 auto 26px; max-width: 620px; line-height: 1.5;
}

/* ====================== RESEARCH DISCLOSURE ====================== */
/* Professional product-disclosure card sitting directly under the hero.
   Distinct visual register from the formal Disclaimer block at page bottom. */
.research-disclosure { padding: 24px 0 56px; }
.disclosure-card {
  max-width: 840px; margin: 0 auto;
  padding: 32px 36px;
  border-color: var(--accent-line);
}
.disclosure-head {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 18px; margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.disclosure-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center; flex: 0 0 auto;
  background: var(--accent-soft); border: 1px solid var(--accent-line);
  color: var(--accent);
}
.disclosure-eyebrow {
  font-size: 12px; font-weight: 800; letter-spacing: .8px;
  text-transform: uppercase; color: var(--accent-text);
}
.disclosure-list { list-style: none; margin: 0; padding: 0; }
.disclosure-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 12px 0;
  color: var(--text); font-size: 15px; line-height: 1.6;
}
.disclosure-list li + li { border-top: 1px dashed rgba(255, 255, 255, .06); }
.disclosure-marker {
  flex: 0 0 auto; margin-top: 9px;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
  transform: rotate(45deg);
}

/* ====================== RESEARCH ACCESS TIERS ====================== */
/* Two side-by-side cards comparing Public Research vs Research Supporter
   Access. Intentionally NOT a commercial pricing table — no prices,
   patron framing, neutral tone. */
.access-tiers { padding-top: 56px; padding-bottom: 88px; }
.tier-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 22px; max-width: 920px; margin: 0 auto;
}
.tier-card {
  padding: 32px 28px;
  display: flex; flex-direction: column;
  position: relative;
}
.tier-card.featured {
  border-color: var(--accent-line);
  box-shadow: 0 24px 70px rgba(34, 197, 94, .12);
}
.tier-tag {
  display: inline-flex; align-items: center;
  align-self: flex-start;
  font-size: 11px; font-weight: 800; letter-spacing: .6px;
  padding: 5px 11px; border-radius: 999px;
  text-transform: uppercase; margin-bottom: 18px;
}
.tier-tag-now {
  background: var(--accent-soft); color: var(--accent-text);
  border: 1px solid var(--accent-line);
}
.tier-tag-soon {
  background: rgba(96, 165, 250, .12); color: #bfdbfe;
  border: 1px solid rgba(96, 165, 250, .3);
}
.tier-title {
  margin: 0 0 8px;
  font-size: 22px; font-weight: 800; letter-spacing: -.4px;
  color: var(--text);
}
.tier-desc {
  margin: 0 0 22px; color: var(--muted); font-size: 14.5px;
  line-height: 1.55;
}
.tier-list {
  list-style: none; padding: 0; margin: 0 0 26px;
  display: grid; gap: 12px; flex: 1;
}
.tier-list li {
  display: flex; gap: 12px; align-items: flex-start;
  color: var(--text); font-size: 14.5px; line-height: 1.5;
}
.tier-check {
  flex: 0 0 auto;
  width: 22px; height: 22px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 900; display: grid; place-items: center;
  font-size: 13px; margin-top: 1px;
}
.tier-cta { display: flex; flex-direction: column; gap: 10px; }
.tier-cta .btn { width: 100%; }
.tier-soon-note {
  margin: 0; text-align: center; font-size: 12px; color: var(--muted);
}

/* --------------------------- responsive ---------------------------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; }
  .about-grid { grid-template-columns: 1fr; }
  .grid-3, .plans, .quotes { grid-template-columns: 1fr 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .tier-grid { grid-template-columns: 1fr; max-width: 520px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .disclosure-card { padding: 28px 26px; }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(11, 18, 32, 0.96); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border); padding: 18px 22px; gap: 16px;
  }
  .grid-3, .plans, .quotes, .metrics, .footer-grid, .live-grid, .tier-grid { grid-template-columns: 1fr; }
  .research-disclosure { padding: 16px 0 40px; }
  .access-tiers { padding-top: 40px; padding-bottom: 64px; }
  .tier-card { padding: 26px 22px; }
  .disclosure-card { padding: 24px 22px; }
  .disclosure-list li { font-size: 14.5px; }
  .hero-actions .btn { width: 100%; }
  .tg-toast { left: 14px; right: 14px; max-width: none; }
}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}