/* ============================================================
   Scanna landing page — Sovereign Analyst design system
   Primitives + components + responsive
   Paired with tokens.css
   ============================================================ */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

html,
body {
  overflow-x: clip;
}

body {
  min-height: 100vh;
  background: var(--surface);
  color: var(--on-surface);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  line-height: 1.55;
  font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

section {
  scroll-margin-top: 5rem;
}

/* ---------- Dot grid background (No-Line Rule — background texture, not borders) ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(
    circle,
    var(--outline-variant) 1px,
    transparent 1px
  );
  background-size: 40px 40px;
  opacity: 0.10;
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

/* ---------- Radial bloom (atmospheric hero glow) ---------- */
.radial-bloom {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    ellipse at top,
    rgba(181, 255, 240, 0.06) 0%,
    transparent 60%
  );
}

/* ============================================================
   Typography primitives (fluid via clamp, ported from deck)
   ============================================================ */

.h1 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: clamp(44px, 5.8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--on-surface);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
}

.h1__accent {
  color: var(--primary);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 70, "WONK" 1;
}

.h2 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: clamp(32px, 4.3vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  font-variation-settings: "opsz" 96, "SOFT" 30, "WONK" 0;
}

.h2__accent {
  color: var(--primary);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 96, "SOFT" 60, "WONK" 1;
}

.h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface);
}

.body {
  font-family: "Inter", sans-serif;
  font-weight: 400;
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.55;
  color: var(--on-surface);
}

.body--variant {
  color: var(--on-surface-variant);
}

.body--lead {
  font-family: "Inter", sans-serif;
  font-size: clamp(19px, 1.65vw, 26px);
  font-weight: 400;
  line-height: 1.45;
  color: var(--on-surface-variant);
  max-width: 48ch;
  letter-spacing: -0.005em;
}

.caption {
  font-family: "Inter", sans-serif;
  font-weight: 400;
  font-size: clamp(13px, 1vw, 14px);
  line-height: 1.45;
  color: var(--on-surface-variant);
}

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 400;
  font-size: clamp(11px, 0.9vw, 13px);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--secondary);
}

.eyebrow--primary { color: var(--primary); }
.eyebrow--muted   { color: var(--outline); }

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 400;
  font-size: clamp(11px, 0.9vw, 12px);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--outline);
}

/* ============================================================
   Surface primitives (tone shifts, never 1px dividers)
   ============================================================ */

.glass {
  background: rgba(24, 27, 38, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05); /* ghost edge, not a divider */
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.surface-low {
  background: var(--surface-container-low);
  border-radius: var(--radius);
}

.surface-lowest {
  background: var(--surface-container-lowest);
  border-radius: var(--radius);
}

.surface-high {
  background: var(--surface-container-high);
  border-radius: var(--radius);
}

/* Fallback for browsers without backdrop-filter */
@supports not ((backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px))) {
  .glass {
    background: var(--surface-container-low);
  }
}

/* ============================================================
   Layout primitives
   ============================================================ */

.safe {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 64px);
}

.safe--hero {
  max-width: var(--container-hero);
}

/* Vertical stack helpers */
.stack-sm { display: flex; flex-direction: column; gap: var(--gap-sm); }
.stack-md { display: flex; flex-direction: column; gap: var(--gap-md); }
.stack-lg { display: flex; flex-direction: column; gap: var(--gap-lg); }

/* Grid primitives — mobile first, stacked by default */
.cols-3,
.cols-4,
.split-50 {
  display: grid;
  gap: var(--gap-md);
  grid-template-columns: 1fr;
}

/* Section padding helper */
.section {
  padding-block: clamp(64px, 10vh, 144px);
  position: relative;
}

.section--tight {
  padding-block: clamp(48px, 8vh, 112px);
}

/* ============================================================
   Glow helpers (cyan drop-shadows — never black)
   ============================================================ */

.scanna-glow {
  filter: drop-shadow(0 0 12px rgba(181, 255, 240, var(--glow-opacity)));
}

.scanna-glow--strong {
  filter: drop-shadow(0 0 24px rgba(181, 255, 240, calc(var(--glow-opacity) + 0.1)));
}

/* ============================================================
   Site navigation (shared across all pages)
   ============================================================ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(16, 19, 29, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  /* Ghost edge instead of a 1px divider */
  box-shadow: 0 1px 0 rgba(181, 255, 240, 0.05);
}

@supports not ((backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px))) {
  .site-nav {
    background: var(--surface-container-lowest);
  }
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  padding-block: 18px;
}

.site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.site-nav__wordmark {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 700;
  font-size: clamp(16px, 1.5vw, 20px);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--primary);
  min-width: 8ch;
  display: inline-block;
  user-select: none;
  cursor: pointer;
}

.site-nav__wordmark--x402 {
  min-width: 13ch;
}

.site-nav__links {
  display: none;
  align-items: center;
  gap: 8px;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  border-radius: 8px;
  transition: color 160ms ease, background-color 160ms ease;
}

.site-nav__link:hover {
  color: var(--primary);
  background: rgba(181, 255, 240, 0.04);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--on-surface);
  border-radius: 8px;
  transition: color 160ms ease, background-color 160ms ease;
}

.site-nav__toggle:hover,
.site-nav__toggle:focus-visible {
  color: var(--primary);
  background: rgba(181, 255, 240, 0.05);
  outline: none;
}

.site-nav__actions .site-nav__cta {
  display: none;
}

.site-nav__mobile {
  display: none;
  background: rgba(11, 14, 24, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(181, 255, 240, 0.05) inset;
}

.site-nav__mobile.is-open {
  display: block;
}

.site-nav__mobile-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-block: 20px 28px;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 10px;
  transition: transform 180ms ease, filter 180ms ease, background 180ms ease, color 180ms ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(180deg, var(--primary-fixed) 0%, var(--primary-container) 100%);
  color: var(--surface);
  filter: drop-shadow(0 0 12px rgba(181, 255, 240, 0.25));
}

.btn--primary:hover {
  transform: translateY(-1px);
  filter: drop-shadow(0 0 18px rgba(181, 255, 240, 0.5));
}

.btn--ghost {
  background: transparent;
  color: var(--on-surface);
  box-shadow: inset 0 0 0 1px rgba(181, 255, 240, 0.18);
}

.btn--ghost:hover {
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(181, 255, 240, 0.35);
  transform: translateY(-1px);
}

.btn--nav {
  padding: 10px 20px;
  font-size: 11px;
}

.btn--mobile {
  padding: 14px 20px;
  font-size: 12px;
  width: 100%;
}

/* ============================================================
   Eyebrow pill (inline badges above headlines)
   ============================================================ */

/* ============================================================
   Hero kicker — editorial hairline + mono label
   Replaces the old .eyebrow-pill with a minimal inline pattern
   ============================================================ */

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--outline);
  padding: 0;
  background: none;
  border: none;
}

.hero-kicker::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(181, 255, 240, 0.55);
  flex-shrink: 0;
}

/* Centered heroes get symmetric hairlines on both sides */
.hero--centered .hero-kicker {
  justify-content: center;
}

.hero--centered .hero-kicker::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(181, 255, 240, 0.55);
  flex-shrink: 0;
}

/* Legacy .eyebrow-pill kept as a no-op alias in case it lingers */
.eyebrow-pill { all: unset; }

/* ============================================================
   Info cards (shared base for value/how/investor/x402 cards)
   ============================================================ */

.info-card {
  background: var(--surface-container-low);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: background 200ms ease, transform 200ms ease;
}

.info-card:hover {
  background: var(--surface-container);
  transform: translateY(-2px);
}

.info-card--glass {
  background: rgba(24, 27, 38, 0.4);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.info-card--glass:hover {
  background: rgba(28, 31, 42, 0.6);
}

.info-card__title {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: clamp(17px, 1.5vw, 20px);
  letter-spacing: -0.005em;
  color: var(--on-surface);
  line-height: 1.3;
}

.info-card__body {
  font-family: "Inter", sans-serif;
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 1.6;
  color: var(--on-surface-variant);
}

/* Value card — extends info-card with an icon slot */
.value-card .card-icon {
  width: 44px;
  height: 44px;
  color: var(--primary);
  filter: drop-shadow(0 0 12px rgba(181, 255, 240, 0.35));
  transition: filter 240ms ease;
  margin-bottom: 4px;
}

.value-card:hover .card-icon {
  filter: drop-shadow(0 0 18px rgba(181, 255, 240, 0.6));
}

.card-icon-cursor {
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .card-icon-cursor { animation: none; }
}

/* Step card — extends info-card with numbered top-right gutter */
.step-card {
  padding-right: clamp(28px, 3.5vw, 44px);
}

.step-card__number {
  position: absolute;
  top: clamp(20px, 2.6vw, 28px);
  right: clamp(24px, 3vw, 36px);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 700;
  font-size: clamp(11px, 0.9vw, 13px);
  letter-spacing: 0.28em;
  color: var(--outline);
}

/* ============================================================
   KPI tile (x402 hero stat cards)
   ============================================================ */

.kpi-tile {
  background: var(--surface-container-low);
  border-radius: var(--radius);
  padding: clamp(28px, 3.2vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  position: relative;
  transition: background 200ms ease, transform 200ms ease;
}

.kpi-tile:hover {
  background: var(--surface-container);
  transform: translateY(-2px);
}

.kpi__label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 400;
  font-size: clamp(10px, 0.85vw, 12px);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--outline);
}

.kpi__value {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 500;
  font-size: clamp(48px, 6.2vw, 80px);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--primary-fixed);
  filter: drop-shadow(0 0 18px rgba(181, 255, 240, 0.25));
  font-variation-settings: "opsz" 144, "SOFT" 40, "WONK" 0;
}

.kpi__meta {
  font-family: "Inter", sans-serif;
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.5;
  color: var(--on-surface-variant);
}

/* ============================================================
   Terminal mockup (index.html hero)
   ============================================================ */

.terminal {
  background: var(--surface-container-lowest);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 20px 60px -30px rgba(0, 0, 0, 0.8);
  position: relative;
}

.terminal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(181, 255, 240, 0.25) 50%,
    transparent 100%
  );
  pointer-events: none;
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--surface-container-highest);
}

.terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal__dot--close    { background: var(--error); }
.terminal__dot--minimize { background: rgba(255, 180, 171, 0.28); }
.terminal__dot--maximize { background: rgba(255, 180, 171, 0.14); }

.terminal__title {
  margin-left: 10px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--outline);
}

.terminal__body {
  padding: clamp(24px, 2.6vw, 34px) clamp(26px, 2.9vw, 40px);
  min-height: 360px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(14px, 1.15vw, 17px);
  line-height: 1.9;
  color: var(--on-surface);
}

.terminal-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal-line.active::after {
  content: "▋";
  color: var(--primary);
  animation: blink 0.75s step-end infinite;
  margin-left: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .terminal-line.active::after { animation: none; }
}

/* ============================================================
   Partner pill (x402 "Powered by Scanna" row)
   ============================================================ */

.partner-pill {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 18px 26px;
  background: rgba(24, 27, 38, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(181, 255, 240, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.partner-pill__logo {
  height: 40px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(181, 255, 240, 0.3));
}

.partner-pill__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ============================================================
   Feature list (x402 use cases) — cyan bullets, no default marker
   ============================================================ */

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  font-family: "Inter", sans-serif;
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 1.55;
  color: var(--on-surface-variant);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 2px;
  background: var(--primary);
  filter: drop-shadow(0 0 6px rgba(181, 255, 240, 0.5));
}

/* ============================================================
   Dataflow step (x402 4-col data flow)
   ============================================================ */

.dataflow-step {
  background: var(--surface-container-low);
  border-radius: var(--radius);
  padding: clamp(22px, 2.8vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: background 200ms ease, transform 200ms ease;
}

.dataflow-step:hover {
  background: var(--surface-container);
  transform: translateY(-2px);
}

.dataflow-step__label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--outline);
}

.dataflow-step__body {
  font-family: "Inter", sans-serif;
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 1.5;
  color: var(--on-surface);
}

/* ============================================================
   CTA block (waitlist / investors / x402 endings)
   ============================================================ */

.cta-block {
  background: rgba(24, 27, 38, 0.4);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: clamp(48px, 8vw, 96px) clamp(32px, 6vw, 72px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    rgba(181, 255, 240, 0.05) 0%,
    transparent 65%
  );
}

.cta-block__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(16px, 2vw, 24px);
  max-width: 640px;
  margin: 0 auto;
}

.cta-block__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 8px;
}

/* ============================================================
   Video frame (investors.html YouTube embed wrapper)
   ============================================================ */

.video-frame {
  max-width: min(100%, 1024px);
  margin-inline: auto;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  padding: clamp(12px, 2vw, 24px);
  position: relative;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.03),
    0 30px 80px -40px rgba(0, 0, 0, 0.9);
}

.video-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(181, 255, 240, 0.28) 50%,
    transparent 100%
  );
  pointer-events: none;
}

.video-frame__inner {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 6px);
  background: #000;
}

.video-frame__inner iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   Site footer
   ============================================================ */

.site-footer {
  background: var(--surface-container-lowest);
  padding-block: clamp(48px, 8vh, 96px);
  margin-top: clamp(48px, 8vh, 96px);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-footer__logo {
  height: 28px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(181, 255, 240, 0.25));
}

.site-footer__copy {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--outline);
}

.site-footer__links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-footer__links a {
  color: var(--on-surface-variant);
  transition: color 160ms ease;
}

.site-footer__links a:hover {
  color: var(--primary);
}

/* ============================================================
   Hero layouts (per-page overrides applied inline via class)
   ============================================================ */

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: center;
  min-height: calc(100vh - 80px);
  min-height: calc(100svh - 80px);
  padding-block: clamp(56px, 7vh, 96px);
}

/* Variable spacing rhythm via adjacent siblings */
.hero .stack-md {
  gap: 0;
}

.hero .hero-kicker + .hero__headline,
.hero .hero-kicker + .h1 {
  margin-top: clamp(22px, 2.4vw, 30px);
}

.hero .hero__headline + .body--lead,
.hero .h1 + .body--lead {
  margin-top: clamp(30px, 3.4vw, 44px);
}

.hero .body--lead + .hero__actions {
  margin-top: clamp(30px, 3.2vw, 40px);
}

.hero__eyebrow {
  margin-bottom: clamp(20px, 2.4vw, 28px);
}

.hero__headline {
  margin-bottom: clamp(20px, 2.4vw, 32px);
}

.hero__lede {
  margin-bottom: clamp(28px, 3.2vw, 40px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(8px, 1vw, 16px);
}

/* Split hero (index.html — copy + terminal side-by-side on desktop) */
.hero--split {
  display: grid;
  gap: var(--gap-lg);
  grid-template-columns: 1fr;
  grid-template-areas:
    "intro"
    "terminal"
    "details";
  align-items: center;
}

.hero__intro   { grid-area: intro; }
.hero__details { grid-area: details; }
.hero--split > .terminal { grid-area: terminal; }

.hero--centered {
  text-align: center;
}

.hero--centered .hero__headline,
.hero--centered .hero__lede {
  margin-left: auto;
  margin-right: auto;
}

.hero--centered .hero__headline {
  max-width: min(100%, 20ch);
}

.hero--centered .hero__actions {
  justify-content: center;
}

/* ============================================================
   Section head (eyebrow + h2 pair)
   ============================================================ */

.section-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: clamp(32px, 4vw, 56px);
  max-width: 60ch;
}

.section-head--centered {
  margin-inline: auto;
  text-align: center;
  align-items: center;
}

/* ============================================================
   Responsive breakpoints
   ============================================================ */

/* Tablet (640px+) */
@media (min-width: 640px) {
  .cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-nav__inner {
    padding-block: 22px;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .split-50 {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-lg);
  }

  .hero--split {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "intro   terminal"
      "details terminal";
    column-gap: clamp(48px, 5vw, 104px);
    row-gap: clamp(20px, 2vw, 32px);
    align-items: start;
  }
  .hero--split > .terminal { align-self: center; }

  .site-nav__toggle  { display: none; }
  .site-nav__mobile  { display: none !important; }
  .site-nav__links   { display: inline-flex; }
  .site-nav__actions .site-nav__cta { display: inline-flex; }

  .site-footer__inner {
    flex-direction: row;
  }
}

/* Relax viewport-fit below desktop so content wraps naturally */
@media (max-width: 1023px) {
  .hero {
    min-height: auto;
  }
}

/* Mobile refinements (<640px) */
@media (max-width: 639px) {
  body::before {
    background-size: 32px 32px;
    opacity: 0.03;
  }

  .hero {
    padding-block: clamp(48px, 8vh, 72px);
  }

  .btn {
    padding: 13px 22px;
    font-size: 11px;
  }

  .terminal__body {
    min-height: 240px;
    font-size: 13px;
    padding: 22px 24px;
    line-height: 1.8;
  }
}

/* ============================================================
   Hero entrance — staggered fade/rise
   ============================================================ */
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
  .hero .eyebrow-pill,
  .hero .hero__headline,
  .hero .body--lead,
  .hero .hero__actions,
  .hero .terminal {
    opacity: 0;
    animation: hero-enter 640ms cubic-bezier(0.2, 0.65, 0.3, 0.95) forwards;
  }
  .hero .eyebrow-pill   { animation-delay:  80ms; }
  .hero .hero__headline { animation-delay: 180ms; }
  .hero .body--lead     { animation-delay: 320ms; }
  .hero .hero__actions  { animation-delay: 440ms; }
  .hero .terminal {
    animation-duration: 780ms;
    animation-delay: 360ms;
  }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}