/* ============================================================
   Aiify public site — shared design system
   Dark "signal" theme shared by every marketing page under
   apps/radio/public/. Self-hosted, no external requests.
   Palette matches the app + /reveal: teal → violet → pink.
   ============================================================ */

:root {
  --bg: #05060f;
  --bg-2: #0a0d1e;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --text: #eaf1ff;
  --dim: rgba(214, 224, 247, 0.74);
  --faint: rgba(214, 224, 247, 0.5);
  --c1: #35e0d8;
  --c2: #7b5cff;
  --c3: #ff3d8b;
  --grad: linear-gradient(100deg, var(--c1), var(--c2) 55%, var(--c3));
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
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: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ambient glow field behind everything (static, cheap) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(52rem 30rem at 85% -8%, rgba(123, 92, 255, 0.14), transparent 60%),
    radial-gradient(44rem 26rem at -10% 12%, rgba(53, 224, 216, 0.10), transparent 60%),
    radial-gradient(50rem 34rem at 55% 115%, rgba(255, 61, 139, 0.09), transparent 60%),
    var(--bg);
}

::selection { background: rgba(123, 92, 255, 0.45); color: #fff; }

a { color: var(--c1); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--c1);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 22px; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(5, 6, 15, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-logo:hover { text-decoration: none; }
.nav-logo svg { width: 30px; height: 30px; display: block; }
.wordmark {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 21px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav-links a {
  color: var(--dim);
  font-size: 14.5px;
  font-weight: 500;
  padding: 7px 11px;
  border-radius: 9px;
}
.nav-links a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--text); background: var(--panel-2); }
.nav-cta {
  margin-left: 6px;
  background: var(--grad);
  color: #fff !important;
  font-weight: 700;
  padding: 8px 16px !important;
  border-radius: 999px;
  box-shadow: 0 4px 22px rgba(123, 92, 255, 0.35);
}
.nav-cta:hover { text-decoration: none; filter: brightness(1.1); }
@media (max-width: 760px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links .keep { display: inline-block; }
}

/* ---------- hero ---------- */
.hero { padding: 84px 0 40px; text-align: center; }
.hero h1 {
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0 0 20px;
}
.hero .grad, .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  font-size: clamp(17px, 2.3vw, 21px);
  color: var(--dim);
  max-width: 44em;
  margin: 0 auto 30px;
}
.kicker {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

/* ---------- buttons ---------- */
.btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 16px;
  padding: 13px 26px;
  border-radius: 999px;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 30px rgba(123, 92, 255, 0.4);
}
.btn-primary:hover { filter: brightness(1.12); }
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line-2);
  background: var(--panel);
}
.btn-ghost:hover { border-color: var(--c2); background: var(--panel-2); }

/* ---------- sections ---------- */
.section { padding: 58px 0; }
.section h2 {
  font-size: clamp(27px, 4.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 14px;
}
.section h3 { font-size: 21px; letter-spacing: -0.02em; margin: 34px 0 10px; }
.section p { color: var(--dim); }
.section .lead { font-size: 19px; color: var(--dim); }
.center { text-align: center; }
strong { color: var(--text); }
hr.rule { border: 0; height: 1px; background: var(--line); margin: 20px 0; }

/* ---------- cards ---------- */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid, .grid-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.card h3 { margin: 10px 0 8px; font-size: 18.5px; letter-spacing: -0.015em; }
.card p { margin: 0; font-size: 15.5px; color: var(--dim); }
.card .ico {
  width: 40px; height: 40px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(53, 224, 216, 0.16), rgba(123, 92, 255, 0.16), rgba(255, 61, 139, 0.16));
  border: 1px solid var(--line);
  font-size: 19px;
}

/* numbered steps */
.step { display: flex; gap: 18px; align-items: flex-start; margin: 26px 0; }
.step-num {
  flex-shrink: 0;
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 18px rgba(123, 92, 255, 0.35);
}
.step h3 { margin: 6px 0 6px; }
.step p { margin: 0; }

/* ---------- tables ---------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--faint); background: rgba(255, 255, 255, 0.03);
}
tbody tr:last-child td { border-bottom: 0; }
td { color: var(--dim); }
td:first-child, th:first-child { color: var(--text); font-weight: 600; }
.yes { color: var(--c1); font-weight: 700; }
.no { color: var(--faint); }
.hl { color: var(--c3); font-weight: 700; }

/* ---------- pricing ---------- */
.plans { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); align-items: stretch; }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; } }
.plan {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.plan.featured {
  border-color: transparent;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    var(--grad) border-box;
  border: 1.5px solid transparent;
  box-shadow: 0 10px 44px rgba(123, 92, 255, 0.25);
}
.plan .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff;
  font-size: 11.5px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 999px; white-space: nowrap;
}
.plan h3 { margin: 0 0 4px; font-size: 20px; }
.plan .price { font-size: 38px; font-weight: 800; letter-spacing: -0.03em; margin: 8px 0 2px; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--faint); letter-spacing: 0; }
.plan .for { color: var(--faint); font-size: 14px; margin: 0 0 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; }
.plan li { padding: 7px 0 7px 26px; position: relative; color: var(--dim); font-size: 15px; border-bottom: 1px dashed var(--line); }
.plan li:last-child { border-bottom: 0; }
.plan li::before { content: "✓"; position: absolute; left: 2px; color: var(--c1); font-weight: 800; }
.plan .btn { margin-top: auto; text-align: center; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  margin: 10px 0;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 46px 16px 20px;
  font-weight: 650;
  font-size: 16.5px;
  position: relative;
  color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 18px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px; font-weight: 400; color: var(--c2);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details[open] { border-color: var(--line-2); background: var(--panel-2); }
.faq .a { padding: 0 20px 18px; color: var(--dim); font-size: 15.5px; }
.faq .a p { margin: 0 0 10px; }
.faq .a p:last-child { margin-bottom: 0; }

/* ---------- callout / quote ---------- */
.callout {
  border: 1px solid var(--line);
  border-left: 3px solid;
  border-image: var(--grad) 1;
  background: var(--panel);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px;
  margin: 26px 0;
  color: var(--dim);
}
.callout strong { color: var(--text); }

/* ---------- CTA band ---------- */
.cta-band {
  margin: 30px 0 20px;
  border-radius: 24px;
  border: 1px solid var(--line-2);
  padding: 52px 28px;
  text-align: center;
  background:
    radial-gradient(38rem 20rem at 50% -30%, rgba(123, 92, 255, 0.22), transparent 70%),
    radial-gradient(30rem 16rem at 12% 120%, rgba(53, 224, 216, 0.13), transparent 70%),
    radial-gradient(30rem 16rem at 88% 120%, rgba(255, 61, 139, 0.13), transparent 70%),
    var(--bg-2);
}
.cta-band h2 { font-size: clamp(26px, 4.5vw, 40px); letter-spacing: -0.03em; margin: 0 0 12px; }
.cta-band p { color: var(--dim); max-width: 40em; margin: 0 auto 26px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); margin-top: 70px; padding: 44px 0 60px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); margin: 0 0 12px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin: 8px 0; }
.footer a { color: var(--dim); }
.footer a:hover { color: var(--text); }
.footer .blurb { color: var(--faint); max-width: 30em; margin: 12px 0 0; font-size: 14px; }
.footer .fine { color: var(--faint); margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }

/* ---------- helpers ---------- */
.spacer { height: 26px; }
.updated { color: var(--faint); font-size: 13.5px; }
code { font-family: var(--mono); font-size: 0.92em; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .btn:hover { transition: none; transform: none; }
}