/* =========================================================================
   Vytal Band — static site stylesheet
   Premium · Intelligent · Human · Minimal · Ambitious
   ========================================================================= */

:root {
  --bg: #07080a;
  --bg-elevated: #0d0f13;
  --bg-card: #101319;
  --bg-card-2: #141821;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #f4f6f8;
  --text-muted: #a3adba;
  --text-dim: #6c7684;

  --accent: #21e6a4;
  --accent-2: #17c6d4;
  --accent-3: #7c6cff;
  --accent-ink: #041a13;
  --grad: linear-gradient(120deg, #21e6a4 0%, #17c6d4 55%, #7c6cff 120%);
  --grad-soft: linear-gradient(120deg, rgba(33, 230, 164, 0.16), rgba(124, 108, 255, 0.16));

  --sig-hr: #ff5d73;

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 0 1px var(--border), 0 30px 80px -30px rgba(33, 230, 164, 0.28);

  --maxw: 1180px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Space Grotesk', var(--font);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 15% -5%, rgba(33, 230, 164, 0.10), transparent 60%),
    radial-gradient(50% 45% at 100% 0%, rgba(124, 108, 255, 0.10), transparent 55%),
    radial-gradient(45% 40% at 85% 100%, rgba(23, 198, 212, 0.07), transparent 60%);
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  font-weight: 600;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); }
p { margin: 0 0 1rem; color: var(--text-muted); }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
section { padding-block: clamp(3.5rem, 8vw, 7rem); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--accent); opacity: 0.7; }

.lead { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--text-muted); max-width: 46ch; }
.text-gradient { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.muted { color: var(--text-dim); }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* Buttons */
.btn {
  --pad-y: 0.85rem; --pad-x: 1.5rem;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: var(--pad-y) var(--pad-x); border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
  will-change: transform;
}
.btn-primary { background: var(--grad); color: var(--accent-ink); box-shadow: 0 12px 30px -12px rgba(33, 230, 164, 0.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(33, 230, 164, 0.7); }
.btn-ghost { background: rgba(255, 255, 255, 0.03); border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: #fff; }
.btn-lg { --pad-y: 1.05rem; --pad-x: 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

.free-pill { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: var(--text-dim); margin-top: 0.75rem; }
.free-pill b { color: var(--accent); font-weight: 600; }

/* Cards & grids */
.grid { display: grid; gap: 1.25rem; }
.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: linear-gradient(180deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card .ico { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: var(--grad-soft); border: 1px solid var(--border); margin-bottom: 1rem; color: var(--accent); }
.card h3 { font-size: 1.2rem; }
.card p { font-size: 0.98rem; margin-bottom: 0; }

.section-head { max-width: 62ch; margin-bottom: 2.75rem; }
.section-head.center { margin-inline: auto; }

/* Metric chips */
.metric { display: flex; flex-direction: column; gap: 0.25rem; padding: 1.1rem 1.2rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.metric .k { font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.metric .n { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.metric .d { font-size: 0.88rem; color: var(--text-dim); }

.badge-soft { display: inline-block; padding: 0.3rem 0.75rem; border-radius: 999px; background: var(--grad-soft); border: 1px solid var(--border); font-size: 0.78rem; color: var(--text-muted); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { body { font-size: 16px; } .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip-link { position: absolute; left: 0.5rem; top: -60px; background: var(--accent); color: var(--accent-ink); padding: 0.6rem 1rem; border-radius: 8px; font-weight: 600; z-index: 200; transition: top 0.2s var(--ease); }
.skip-link:focus { top: 0.5rem; }

/* ---- Nav ---- */
.nav { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(14px); background: rgba(7, 8, 10, 0.72); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 72px; }
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: var(--grad); color: var(--accent-ink); }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand-name span { color: var(--text-dim); font-weight: 500; }
.nav-links { display: flex; gap: 0.35rem; }
.nav-links a { padding: 0.5rem 0.7rem; border-radius: 8px; font-size: 0.92rem; color: var(--text-muted); transition: color 0.2s var(--ease), background 0.2s var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle[aria-expanded='true'] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded='true'] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { border-bottom: 1px solid var(--border); background: var(--bg-elevated); }
.mobile-menu nav { display: flex; flex-direction: column; gap: 0.25rem; padding: 1rem clamp(1.1rem, 4vw, 2rem) 1.5rem; }
.mobile-menu a { padding: 0.75rem 0.5rem; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.mobile-menu a.active { color: var(--accent); }
.mobile-menu .btn { margin-top: 0.75rem; border-bottom: 0; }
@media (max-width: 1040px) { .nav-links { display: none; } .nav-cta { display: none; } .nav-toggle { display: flex; } }

/* ---- Sticky mobile CTA ---- */
.sticky-cta { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 90; display: none; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.95rem; border-radius: 999px; background: var(--grad); color: var(--accent-ink); font-family: var(--font-display); font-weight: 700; box-shadow: 0 16px 40px -10px rgba(33, 230, 164, 0.6); }
.sticky-cta b { background: rgba(4, 26, 19, 0.18); padding: 0.1rem 0.55rem; border-radius: 999px; font-size: 0.85rem; }
@media (max-width: 1040px) { .sticky-cta { display: flex; } }

/* ---- Footer ---- */
.footer { border-top: 1px solid var(--border); background: linear-gradient(180deg, transparent, rgba(33, 230, 164, 0.03)); padding-block: clamp(2.5rem, 6vw, 4rem) 2rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.footer-brand p { font-size: 0.95rem; max-width: 34ch; margin: 1rem 0 1.25rem; }
.footer-col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); margin-bottom: 1rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.footer-col a { color: var(--text-muted); font-size: 0.95rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; }
.footer-bottom p { font-size: 0.82rem; color: var(--text-dim); margin: 0; }
.footer .disclaimer { max-width: 52ch; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---- Page header ---- */
.page-header { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem); }
.page-header h1 { max-width: 18ch; }
.page-header .lead { margin-top: 0.5rem; }

/* ---- CTA banner ---- */
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; padding: clamp(2rem, 5vw, 3rem); border-radius: var(--radius-lg); background: radial-gradient(120% 140% at 0% 0%, rgba(33,230,164,0.14), transparent 55%), linear-gradient(180deg, var(--bg-card), var(--bg-card-2)); border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.cta-inner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 0.4rem; }
.cta-inner p { margin: 0; color: var(--text-muted); }

/* ---- Band visual ---- */
.band-visual { position: relative; display: grid; place-items: center; padding: 2rem; aspect-ratio: 1 / 1; max-width: 460px; margin-inline: auto; width: 100%; }
.band-visual.compact { max-width: 320px; padding: 1rem; }
.band-visual .glow { position: absolute; inset: 8%; background: radial-gradient(circle at 50% 45%, rgba(33,230,164,0.35), rgba(124,108,255,0.15) 45%, transparent 70%); filter: blur(28px); animation: pulse 4s var(--ease) infinite; }
@keyframes pulse { 0%,100% { opacity: 0.55; transform: scale(1); } 50% { opacity: 0.9; transform: scale(1.05); } }
.device { position: relative; width: min(78%, 300px); aspect-ratio: 3 / 4; border-radius: 46px; padding: 14px; background: linear-gradient(160deg, #23272f, #0c0e12 60%); box-shadow: 0 40px 80px -30px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.14), inset 0 -2px 6px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.06); }
.device::before, .device::after { content: ''; position: absolute; left: 50%; transform: translateX(-50%); width: 60%; height: 34px; background: linear-gradient(180deg, #2a2f37, #14171c); border-radius: 14px; }
.device::before { top: -26px; }
.device::after { bottom: -26px; }
.screen { height: 100%; border-radius: 34px; background: radial-gradient(120% 80% at 50% 0%, #0b1f1a, #06080b 70%); border: 1px solid rgba(33,230,164,0.14); padding: 1.1rem 1rem; display: flex; flex-direction: column; gap: 0.7rem; overflow: hidden; }
.screen-top { display: flex; align-items: center; gap: 0.4rem; }
.screen-top .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); animation: blink 2s infinite; }
@keyframes blink { 50% { opacity: 0.3; } }
.screen-top .lbl { font-family: var(--font-display); font-size: 0.6rem; letter-spacing: 0.14em; color: var(--text-dim); }
.batt { margin-left: auto; width: 22px; height: 11px; border: 1px solid var(--text-dim); border-radius: 3px; position: relative; }
.batt i { position: absolute; inset: 1.5px; width: 65%; background: var(--accent); border-radius: 1px; }
.bpm { display: flex; align-items: baseline; gap: 0.35rem; }
.bpm-n { font-family: var(--font-display); font-weight: 700; font-size: 2.6rem; line-height: 1; color: #fff; }
.bpm-u { font-family: var(--font-display); font-size: 0.75rem; color: var(--sig-hr); letter-spacing: 0.08em; }
.ecg { width: 100%; height: 44px; }
.ecg path { stroke-dasharray: 600; stroke-dashoffset: 600; animation: draw 3.2s var(--ease) infinite; }
@keyframes draw { 0% { stroke-dashoffset: 600; } 55% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -600; } }
.mini { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.4rem; margin-top: auto; }
.mini-c { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 10px; padding: 0.45rem 0.3rem; text-align: center; }
.mini-c b { display: block; font-family: var(--font-display); font-size: 0.95rem; color: #fff; }
.mini-c span { font-size: 0.58rem; color: var(--text-dim); letter-spacing: 0.05em; }

/* ---- Shared: ticks list ---- */
.ticks { list-style: none; margin: 1.25rem 0 1.75rem; padding: 0; display: grid; gap: 0.7rem; }
.ticks li { position: relative; padding-left: 1.9rem; color: var(--text-muted); }
.ticks li::before {
  content: ''; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--grad-soft); border: 1px solid var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2321e6a4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* ---- Home ---- */
.hero { padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: clamp(2rem, 5vw, 3rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.5rem; align-items: center; }
.hero-copy .badge-soft { margin-bottom: 1.25rem; }
.hero h1 { margin-bottom: 1.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.75rem; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero-visual { order: -1; } }
.strip { border-block: 1px solid var(--border); background: rgba(255,255,255,0.015); }
.strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.9rem; padding-block: 1rem; }
.strip-inner span { font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 0.05em; color: var(--text-muted); }
.strip-inner i { color: var(--accent); font-style: normal; }
.solution-grid, .why-grid, .final-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
@media (max-width: 860px) { .solution-grid, .why-grid, .final-grid, .tech-grid { grid-template-columns: 1fr !important; } }
.how { background: linear-gradient(180deg, transparent, rgba(124,108,255,0.04), transparent); }
.step { position: relative; padding-top: 1rem; }
.step-n { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: transparent; -webkit-text-stroke: 1px var(--accent); display: block; margin-bottom: 0.5rem; }
.step h3 { font-size: 1.15rem; }
.step p { font-size: 0.95rem; color: var(--text-muted); }
.final-card { background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2)); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-glow); }
.final { padding-bottom: clamp(4rem, 9vw, 7rem); }

/* ---- How it works ---- */
.tech-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 2.5rem; align-items: center; }
.pipeline { list-style: none; counter-reset: p; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 0.9rem; }
.pipeline li { counter-increment: p; position: relative; padding-left: 3rem; }
.pipeline li::before { content: counter(p); position: absolute; left: 0; top: 0; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--grad-soft); border: 1px solid var(--border); font-family: var(--font-display); font-weight: 700; color: var(--accent); }
.pipeline b { display: block; font-family: var(--font-display); }
.pipeline span { color: var(--text-muted); font-size: 0.95rem; }

/* ---- Insights ---- */
.note { border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 1.75rem; background: rgba(124,108,255,0.05); }
.note h3 { font-size: 1.15rem; }
.note p { margin: 0; }
.note-wrap { padding-block: clamp(2rem,4vw,3rem); }

/* ---- Why Vytal ---- */
.compare-wrap { padding-block: clamp(2rem,4vw,3.5rem); }
.compare { max-width: 680px; margin-inline: auto; padding: 0.5rem 1.5rem; }
.compare-row { display: flex; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.compare-row:last-child { border-bottom: 0; }
.ck { width: 26px; height: 26px; flex: none; display: grid; place-items: center; border-radius: 50%; font-weight: 700; }
.ck.yes { background: var(--grad-soft); border: 1px solid var(--accent); color: var(--accent); }
.ck.no { background: rgba(255,255,255,0.03); border: 1px solid var(--border); color: var(--text-dim); }

/* ---- Prose (about, privacy, blog post) ---- */
.narrow { max-width: 760px; }
.prose p { font-size: 1.08rem; color: var(--text-muted); }
.prose b, .prose strong { color: var(--text); }
.prose h3 { margin-top: 2rem; }
.prose ul { color: var(--text-muted); padding-left: 1.2rem; }
.prose li { margin-bottom: 0.5rem; }

/* ---- FAQ ---- */
.faq-list { display: grid; gap: 0.85rem; }
.faq { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card); overflow: hidden; }
.faq[open] { border-color: var(--border-strong); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.15rem 1.3rem; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq .chev { font-size: 1.5rem; color: var(--accent); transition: transform 0.3s var(--ease); line-height: 1; }
.faq[open] .chev { transform: rotate(45deg); }
.faq-body { padding: 0 1.3rem 1.25rem; }
.faq-body p { margin: 0; color: var(--text-muted); }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 2rem; align-items: start; }
.contact-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1rem; background: var(--bg-card); }
.contact-card h3 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.contact-card p { font-size: 0.95rem; margin-bottom: 0.75rem; }
.contact-link { color: var(--accent); font-family: var(--font-display); font-weight: 600; }
.contact-form { border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: 2rem; background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2)); box-shadow: var(--shadow); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---- Waitlist page ---- */
.wl-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); min-height: 70vh; }
.wl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.wl-copy .badge-soft { margin-bottom: 1.25rem; }
.wl-copy h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
.perks { list-style: none; margin: 1.75rem 0; padding: 0; display: grid; gap: 1rem; }
.perks li { display: flex; gap: 0.85rem; align-items: flex-start; color: var(--text-muted); }
.perks b { color: var(--text); font-weight: 600; }
.perk-ico { flex: none; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; background: var(--grad-soft); border: 1px solid var(--accent); color: var(--accent); margin-top: 2px; }
.signals { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.sig-chip { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.06em; padding: 0.35rem 0.7rem; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); background: var(--bg-card); }
.wl-card { position: sticky; top: 96px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: 2.25rem; background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2)); box-shadow: var(--shadow-glow); }
.wl-card h2 { font-size: 1.8rem; margin-bottom: 0.25rem; }
.wl-sub { color: var(--text-dim); margin-bottom: 1.5rem; font-size: 0.92rem; }
@media (max-width: 900px) { .wl-grid { grid-template-columns: 1fr; gap: 2rem; } .wl-card { position: static; } }

/* ---- Waitlist form ---- */
.wl-form { width: 100%; }
.wl-fields { display: grid; gap: 1rem; }
.wl-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.wl-field { display: grid; gap: 0.4rem; }
.wl-field > span { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.wl-field em { color: var(--text-dim); font-style: normal; font-weight: 400; }
.wl-field input, .wl-field select { width: 100%; padding: 0.9rem 1rem; background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 12px; color: var(--text); font: inherit; font-size: 1rem; transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease); }
.wl-field input::placeholder { color: var(--text-dim); }
.wl-field input:focus, .wl-field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(33, 230, 164, 0.18); }
.wl-field input[aria-invalid='true'] { border-color: var(--sig-hr); }
.wl-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.wl-submit { margin-top: 0.25rem; position: relative; }
.wl-submit[disabled] { opacity: 0.8; cursor: progress; }
.wl-spinner { width: 18px; height: 18px; border: 2px solid rgba(4, 26, 19, 0.35); border-top-color: var(--accent-ink); border-radius: 50%; animation: wl-spin 0.7s linear infinite; }
@keyframes wl-spin { to { transform: rotate(360deg); } }
.wl-status { margin: 0.85rem 0 0; padding: 0.75rem 0.95rem; border-radius: 10px; font-size: 0.92rem; }
.wl-status.is-error { background: rgba(255, 93, 115, 0.12); border: 1px solid rgba(255, 93, 115, 0.35); color: #ffb3bd; }
.wl-status.is-info { background: var(--grad-soft); border: 1px solid var(--border); color: var(--text-muted); }
.wl-success { text-align: center; padding: 1.5rem 0.5rem 0.5rem; }
.wl-check { width: 62px; height: 62px; margin: 0 auto 1rem; display: grid; place-items: center; border-radius: 50%; background: var(--grad-soft); border: 1px solid var(--accent); color: var(--accent); }
.wl-success-title { margin-bottom: 0.35rem; }
.wl-success-msg { color: var(--text-muted); margin: 0; }
.wl-fineprint { margin: 0.9rem 0 0; font-size: 0.8rem; color: var(--text-dim); text-align: center; }
@media (max-width: 480px) { .wl-row-2 { grid-template-columns: 1fr; } }

/* ---- 404 ---- */
.nf { min-height: 62vh; display: grid; place-items: center; }
.nf-flat { max-width: 320px; margin: 0 auto 1.5rem; opacity: 0.9; }
.nf h1 { font-size: clamp(2rem, 6vw, 3.5rem); }

/* ---- Blog ---- */
.cat-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.75rem; }
.feature { display: grid; grid-template-columns: 1.4fr 1fr; gap: 0; overflow: hidden; padding: 0; }
.feature-body { padding: 2rem; }
.feature-body h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0.75rem 0 0.5rem; }
.feature-art { background: radial-gradient(120% 120% at 100% 0%, rgba(124,108,255,0.18), rgba(33,230,164,0.08)); display: grid; place-items: center; min-height: 180px; }
.feature-art svg { width: 100%; height: 100%; }
.post { display: flex; flex-direction: column; align-items: flex-start; }
.post h3 { margin: 0.75rem 0 0.5rem; font-size: 1.2rem; }
.post p { flex: 1; }
.post .badge-soft { margin-bottom: 0.6rem; }
.meta { font-size: 0.8rem; color: var(--text-dim); font-family: var(--font-display); margin-top: 0.75rem; }
@media (max-width: 700px) { .feature { grid-template-columns: 1fr; } .feature-art { min-height: 120px; order: -1; } }

/* ---- Blog post ---- */
.post-header { padding-block: clamp(2rem, 5vw, 3.5rem) 1.5rem; }
.back { color: var(--text-dim); font-size: 0.9rem; }
.back:hover { color: var(--accent); }
.post-header h1 { font-size: clamp(1.9rem, 5vw, 3rem); margin: 0.75rem 0; }
.post-meta { font-family: var(--font-display); color: var(--text-dim); font-size: 0.9rem; }
.post-content { font-size: 1.1rem; line-height: 1.75; padding-bottom: 2rem; }
.post-content h2 { font-size: 1.6rem; margin-top: 2.5rem; }
.post-content h3 { font-size: 1.25rem; margin-top: 2rem; }
.post-content p { color: var(--text-muted); margin-bottom: 1.25rem; }
.post-content ul, .post-content ol { color: var(--text-muted); padding-left: 1.4rem; margin-bottom: 1.25rem; }
.post-content li { margin-bottom: 0.6rem; }
.post-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.post-content strong { color: var(--text); }
.post-content em { color: var(--text-dim); }
