/* inyanga.ai holding page. Light theme only. No build step. */

:root {
  color-scheme: light only;

  --navy: #0E2841;
  --cobalt: #1F79B5;
  --blue-dark: #155A8A;
  --teal: #3A9783;
  --amber: #CEA128;
  --amber-ink: #7d5f0c; /* amber darkened for small text on light surfaces */
  --green: #4D9E52;

  --ink: #1b2d3f;
  --ink-soft: #4a5a6b;
  --ink-mute: #7a8794;
  --rule: #e5eaf0;
  --bg: #ffffff;
  --bg-alt: #f6f8fa;

  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;

  --phase-gradient: linear-gradient(90deg, #CEA128 0%, #4D9E52 28%, #3A9783 52%, #1F79B5 76%, #155A8A 100%);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, picture { display: block; }
img { max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }

.wrap {
  width: 100%;
  max-width: 1232px;
  margin: 0 auto;
  padding: 0 16px;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 1em;
  height: 1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus states */
:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 3px;
  border-radius: 4px;
}
.band-navy :focus-visible { outline-color: var(--amber); }

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: 12px; }

/* Type helpers */
.serif { font-family: var(--font-serif); font-style: italic; font-weight: 700; letter-spacing: 0; }
.amber { color: var(--amber); }
.cobalt { color: var(--cobalt); }
.teal { color: var(--teal); }

.eyebrow {
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow-amber { color: var(--amber); }

h1, h2, h3 { font-family: var(--font-display); color: var(--ink); }

h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h2 .serif { font-size: 1.12em; }

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}
.pill-soon {
  padding: 6px 12px;
  border: 1px solid var(--rule);
  background: var(--bg-alt);
  color: var(--ink-soft);
  white-space: nowrap;
}
.pill-soon .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(206, 161, 40, 0.22);
}
.pill-amber {
  padding: 6px 14px;
  border: 1px solid rgba(206, 161, 40, 0.45);
  background: rgba(206, 161, 40, 0.10);
  color: var(--amber-ink);
  text-align: center;
}
.pill-navy {
  padding: 5px 11px;
  border: 1px solid rgba(206, 161, 40, 0.5);
  background: rgba(206, 161, 40, 0.12);
  color: #e6bd4a;
  white-space: nowrap;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--rule);
  background: #fff; /* opaque: the mark image has a white backdrop */
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.brand img { height: 32px; width: auto; mix-blend-mode: multiply; } /* mark has a white backdrop; blend it into tinted surfaces */
a.brand:hover { opacity: 0.8; }
.wordmark {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.wm-a { color: var(--navy); }
.wm-b { color: var(--cobalt); }

/* Sections */
section { padding: 64px 0; }
.section-head {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}
.band-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

/* Hero */
.hero {
  position: relative;
  padding: 48px 0 64px;
  background:
    radial-gradient(900px 480px at 85% 0%, rgba(31, 121, 181, 0.10), transparent 70%),
    radial-gradient(700px 420px at 0% 30%, rgba(206, 161, 40, 0.10), transparent 70%);
}
.hero-copy {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero .pill-amber { margin-bottom: 24px; }
h1 {
  font-size: clamp(36px, 6.2vw, 60px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.lede {
  max-width: 660px;
  margin: 22px auto 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.6;
  text-wrap: pretty;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}
.cta-note {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color 0.15s ease;
}
.btn .icon { font-size: 18px; }
.btn-primary {
  background: var(--cobalt);
  color: #fff;
  box-shadow: 0 1px 2px rgba(14, 40, 65, 0.15);
}
.btn-primary:hover { background: var(--blue-dark); }

/* Browser frame */
.browser {
  max-width: 1152px;
  margin: 48px auto 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 30px 80px -30px rgba(14, 40, 65, 0.45);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  background: var(--bg-alt);
}
.light { width: 10px; height: 10px; border-radius: 50%; }
.l-red { background: #FF5F57; }
.l-amber { background: #FEBC2E; }
.l-green { background: #28C840; }
.browser-label {
  margin-left: 12px;
  color: var(--ink-mute);
  font-size: 12px;
  line-height: 1;
  user-select: none;
}
.browser img { width: 100%; }

/* Versus */
.versus {
  display: grid;
  gap: 14px;
  max-width: 1000px;
  margin: 0 auto;
}
.vs-card {
  padding: 26px;
  border-radius: 12px;
}
.vs-blank {
  border: 1px dashed #c9d2dc;
  background: rgba(255, 255, 255, 0.6);
}
.vs-method {
  border: 2px solid var(--cobalt);
  background: #fff;
  box-shadow: 0 20px 50px -30px rgba(31, 121, 181, 0.6);
}
.vs-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.vs-blank .vs-title { color: var(--ink-soft); }
.vs-method .vs-title { color: var(--cobalt); }
.vs-card ul { margin-top: 18px; display: grid; gap: 14px; }
.vs-card li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.5;
}
.vs-blank li { color: var(--ink-soft); }
.vs-method li { color: var(--ink); font-weight: 500; }
.tick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
}
.tick .icon { stroke-width: 2.8; }
.tick-x { background: var(--rule); color: var(--ink-mute); }
.tick-ok { background: var(--cobalt); color: #fff; }
.vs-mid {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-mute);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Steps */
.steps {
  position: relative;
  display: grid;
  gap: 22px;
  max-width: 520px;
  margin: 0 auto;
}
.steps::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 40px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, #CEA128 0%, #4D9E52 28%, #3A9783 52%, #1F79B5 76%, #155A8A 100%);
}
.step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.step-dot {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 0 0 4px #fff, 0 6px 14px -4px rgba(14, 40, 65, 0.35);
}
.s1 .step-dot { background: var(--amber); }
.s2 .step-dot { background: var(--green); }
.s3 .step-dot { background: var(--teal); }
.s4 .step-dot { background: var(--cobalt); }
.s5 .step-dot { background: var(--blue-dark); }
.step-n {
  color: var(--ink-mute);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.step h3 { margin-top: 1px; font-size: 18px; font-weight: 600; line-height: 1.3; }
.step-copy { margin-top: 4px; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }

/* Proof points */
.proofs {
  display: grid;
  gap: 16px;
  margin-top: 56px;
}
.proof {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: #fff;
}
.proof-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: #fff;
  font-size: 22px;
}
.p-teal { background: var(--teal); }
.p-amber { background: var(--amber); }
.p-cobalt { background: var(--cobalt); }
.proof h3 { font-size: 16px; font-weight: 600; line-height: 1.35; }
.proof p { margin-top: 4px; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }

/* One agent, many skills */
.section-lede {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.6;
}
.stack {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--bg-alt);
}
.stack-label,
.stack-join {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}
.skills-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.skill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--cobalt);
  border-radius: 10px;
  background: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
}
.k1 { border-top-color: var(--amber); }
.k2 { border-top-color: var(--green); }
.k3 { border-top-color: var(--teal); }
.k4 { border-top-color: var(--cobalt); }
.k5 { border-top-color: var(--blue-dark); }
.skill-own {
  grid-column: 1 / -1;
  border: 2px dashed var(--amber);
  background: #fdf8e8;
  color: var(--amber-ink);
}
.skill-own .icon { font-size: 18px; flex: none; }
.stack-join {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 18px 0;
}
.stack-join span {
  flex: 1;
  max-width: 120px;
  height: 2px;
  background: var(--phase-gradient);
  border-radius: 2px;
}
.agent-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 18px 16px;
  border-radius: 12px;
  background: var(--navy);
  color: #fff;
  text-align: center;
}
.agent-bar strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}
.agent-bar span { color: rgba(255, 255, 255, 0.78); font-size: 14px; }

.gains {
  display: grid;
  gap: 16px;
  max-width: 880px;
  margin: 24px auto 0;
}
.gain {
  padding: 20px 22px;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--cobalt);
  border-radius: 12px;
  background: #fff;
}
.g1 { border-top-color: var(--amber); }
.g2 { border-top-color: var(--green); }
.g3 { border-top-color: var(--teal); }
.g4 { border-top-color: var(--cobalt); }
.gain h3 { font-size: 16px; font-weight: 600; line-height: 1.35; }
.gain p { margin-top: 4px; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }

/* What's coming */
.band-navy {
  position: relative;
  color: #fff;
  background:
    radial-gradient(circle at 22% 25%, rgba(206, 161, 40, 0.09) 0%, transparent 55%),
    radial-gradient(circle at 80% 68%, rgba(31, 121, 181, 0.12) 0%, transparent 55%),
    var(--navy);
}
.band-navy h2, .band-navy h3 { color: #fff; }
.coming {
  display: grid;
  gap: 18px;
  max-width: 1000px;
  margin: 0 auto;
}
.coming-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.045);
}
.coming-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.coming-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--amber);
  color: var(--navy);
  font-size: 22px;
}
.coming-card h3 { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; }
.coming-card p { margin-top: 8px; color: rgba(255, 255, 255, 0.82); font-size: 15px; line-height: 1.6; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: 18px;
  color: #e6bd4a;
  font-size: 15px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(230, 189, 74, 0.45);
  text-underline-offset: 4px;
}
.text-link:hover { text-decoration-color: currentColor; }
.text-link .icon { font-size: 16px; stroke-width: 2.2; }

/* Closing */
.closing {
  text-align: center;
  background:
    radial-gradient(700px 360px at 15% 100%, rgba(206, 161, 40, 0.10), transparent 70%),
    radial-gradient(800px 400px at 90% 0%, rgba(31, 121, 181, 0.09), transparent 70%);
}
.closing h2 { font-size: clamp(30px, 4.6vw, 46px); }
.origin {
  max-width: 620px;
  margin: 32px auto 0;
  color: var(--ink-soft);
  font-size: 14px;
  font-style: italic;
  line-height: 1.65;
}
.origin-term { color: var(--ink); font-style: normal; font-weight: 500; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--bg-alt);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 26px;
  padding-bottom: 26px;
}
.brand-small img { height: 28px; }
.brand-small .wordmark { font-size: 16px; }
.footer-link {
  color: var(--ink-soft);
  font-size: 14px;
  text-underline-offset: 3px;
}
.footer-link:hover { color: var(--ink); }
.copyright { color: var(--ink-soft); font-size: 12px; }

/* Tablet and up */
@media (min-width: 640px) {
  .wrap { padding: 0 40px; }
  .header-inner { height: 64px; }
  section { padding: 84px 0; }
  .hero { padding: 72px 0 88px; }
  .browser { margin-top: 56px; }
  .stack { padding: 32px; }
  .skills-row { grid-template-columns: repeat(3, 1fr); }
  .skill-own { grid-column: auto; }
  .gains { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 820px) {
  .versus { grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 18px; }
  .coming { grid-template-columns: 1fr 1fr; gap: 24px; }
  .proofs { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .skills-row { grid-template-columns: repeat(5, 1fr) 1.7fr; }

  /* Horizontal track */
  .steps {
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    max-width: none;
  }
  .steps::before {
    left: 10%;
    right: 10%;
    top: 26px;
    bottom: auto;
    width: auto;
    height: 3px;
    background: var(--phase-gradient);
  }
  .step {
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
  }
  .step-dot { width: 56px; height: 56px; font-size: 24px; }
  .step > div { margin-top: 18px; }
  .step-copy { max-width: 15rem; margin-left: auto; margin-right: auto; }
}

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