/* =================================================================
   DC Tech — GPU-Accelerated AI Infrastructure (full dark "engineering" mode)
   Dark palette ramp + elevation recipe derived from Linear / Railway / Oxide.
   Brand accent = DC Tech blue. Mono (Geist Mono) used as an accent only.
   ================================================================= */

:root {
  /* surfaces — tinted near-black, ~+4% lightness per step */
  --bg:         #0A0C12;
  --surface-1:  #11141C;   /* cards, panels */
  --surface-2:  #171B25;   /* raised / hover / nested */
  --surface-3:  #1E2430;   /* terminal body, deepest inset */

  /* borders & highlight (white-alpha so they adapt to any backdrop) */
  --border:        rgba(255, 255, 255, .08);
  --border-strong: rgba(255, 255, 255, .15);
  --divider:       rgba(255, 255, 255, .06);
  --highlight:     rgba(255, 255, 255, .06);   /* inset top edge = "raised" */

  /* text */
  --text:        #E6E8EC;   /* body (~90% white) */
  --text-strong: #F5F6F8;   /* headlines */
  --text-muted:  #99A2B2;   /* secondary (a11y floor on near-black) */
  --text-faint:  #6B7385;   /* labels only, never body */

  /* accent — DC Tech blue */
  --accent:        #2563EB;
  --accent-bright: #3B82F6;
  --accent-text:   #7CB0FF;   /* lightened for links/text on dark */
  --accent-soft:   rgba(37, 99, 235, .16);   /* badge/selected fills */
  --accent-line:   rgba(37, 99, 235, .45);    /* lit borders */
  --accent-glow:   rgba(37, 99, 235, .18);

  --ok: #34D399;

  /* type */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --fs-eyebrow: .8125rem;
  --fs-body:   1.0625rem;
  --fs-lede:   clamp(1.0625rem, 1rem + .35vw, 1.1875rem);
  --fs-h3:     1.1875rem;
  --fs-h2:     clamp(1.7rem, 1.25rem + 2.1vw, 2.6rem);
  --fs-h1:     clamp(2.3rem, 1.4rem + 4.4vw, 4rem);

  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px;

  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 22px; --r-pill: 999px;
  --container: 1140px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; max-width: 100vw; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.02em; font-weight: 700; color: var(--text-strong); }

::selection { background: var(--accent-soft); color: #fff; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 5px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--s-5); }
.mono { font-family: var(--font-mono); }

.skip-link {
  position: absolute; left: var(--s-4); top: -100px; z-index: 100;
  background: var(--accent); color: #fff; padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm); transition: top .2s var(--ease);
}
.skip-link:focus { top: var(--s-4); }

/* ---------- eyebrow (mono engineering label) ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow); font-weight: 500;
  letter-spacing: .04em; color: var(--accent-text);
  margin-bottom: var(--s-4);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  font-family: inherit; font-weight: 600; font-size: .9375rem; line-height: 1;
  padding: 12px 20px; border: 1px solid transparent; border-radius: var(--r-pill);
  cursor: pointer; white-space: nowrap;
  transition: transform .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.btn--primary {
  background: var(--accent); color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 6px 20px -8px var(--accent-glow);
}
.btn--primary:hover { background: var(--accent-bright); transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), 0 10px 26px -8px var(--accent-glow); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: rgba(255, 255, 255, .03); color: var(--text);
  border-color: var(--border-strong);
  box-shadow: inset 0 1px 0 var(--highlight);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .07); border-color: var(--accent-line); transform: translateY(-2px); }
.btn--lg { padding: 15px 26px; font-size: 1rem; }
.btn--sm { padding: 9px 16px; font-size: .875rem; }
.btn--block { width: 100%; }
.btn__tag {
  font-family: var(--font-mono); font-size: .625rem; font-weight: 600; letter-spacing: .06em;
  padding: 3px 6px; border-radius: 5px; background: rgba(255, 255, 255, .1); color: var(--text-muted);
}

/* ---------- faint tech grid texture ---------- */
.grid-tex {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(110% 90% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(110% 90% at 50% 0%, #000 30%, transparent 78%);
}

/* ---------- section scaffolding ---------- */
.section { padding-block: clamp(var(--s-8), 7vw, var(--s-10)); position: relative; }
.section--alt { background: #080A0F; border-block: 1px solid var(--divider); }
.section__head { max-width: 720px; margin-bottom: var(--s-7); }
.section__head--center { margin-inline: auto; text-align: center; }
.section__title { font-size: var(--fs-h2); margin-bottom: var(--s-4); }
.section__lede { font-size: var(--fs-lede); color: var(--text-muted); }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 12, 18, .72);
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; gap: var(--s-4); height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.brand__chip { display: grid; place-items: center; background: #fff; border-radius: 9px; padding: 3px; box-shadow: 0 2px 10px rgba(0, 0, 0, .4); }
.brand__chip img { width: 28px; height: 28px; }
.brand__chip--sm { border-radius: 8px; padding: 2px; }
.brand__chip--sm img { width: 26px; height: 26px; }
.brand__word { font-family: var(--font-mono); font-weight: 700; font-size: .95rem; letter-spacing: -.01em; color: var(--text-strong); }
.brand-x { color: var(--text-faint); font-size: .8rem; font-weight: 600; margin-inline: 1px; }
.nav-auri-wrap { display: inline-flex; align-items: center; gap: 6px; }
.nav-auri-logo { height: 20px; width: auto; display: block; filter: drop-shadow(0 0 8px rgba(229, 192, 91, 0.5)); }
.brand__word--auri { color: #E5C05B; }
@media (max-width: 480px) {
  .brand { gap: 6px; }
  .brand__chip img { width: 24px; height: 24px; }
  .brand__word { font-size: .85rem; }
  .nav-auri-logo { height: 18px; }
}
@media (max-width: 370px) {
  .brand__word--auri { display: none; }
}
.nav__links { display: none; margin-left: auto; gap: var(--s-5); }
.nav__links a { color: var(--text-muted); font-size: .9rem; font-weight: 500; position: relative; padding-block: 4px; transition: color .16s var(--ease); }
.nav__links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--accent-text); transition: width .22s var(--ease); }
.nav__links a:hover { color: var(--text-strong); }
.nav__links a:hover::after { width: 100%; }
.nav__cta { margin-left: auto; }
@media (min-width: 900px) { .nav__links { display: inline-flex; } .nav__cta { margin-left: 0; } }

/* ---------- HERO ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(var(--s-8), 8vw, 120px) clamp(var(--s-8), 7vw, 104px); }
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__glow {
  position: absolute; top: -220px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 66%);
  filter: blur(40px);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1fr; gap: var(--s-8); align-items: center; }
.hero__title { font-size: var(--fs-h1); font-weight: 800; margin-bottom: var(--s-5); }
.hero__title .accent {
  background: linear-gradient(92deg, var(--accent-text), var(--accent-bright));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lede { font-size: var(--fs-lede); color: var(--text-muted); max-width: 600px; }
.hero__lede strong { color: var(--text); font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-6); }
.hero__note {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-faint);
  letter-spacing: .02em;
  margin-top: var(--s-4);
  max-width: 540px;
  line-height: 1.5;
}

/* Above-fold entrance animation (no IntersectionObserver needed) */
@keyframes hero-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
.hero-in {
  animation: hero-in .7s cubic-bezier(.22,.68,0,1.2) var(--d, 0s) both;
}

/* -------- specrow (hero stats) -------- */
.specrow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-7);
  padding: 0;
}
.specrow > div {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  padding: var(--s-4) var(--s-4) var(--s-3);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--r-md);
  box-shadow: inset 0 1px 0 var(--highlight);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.specrow > div:hover {
  border-top-color: var(--accent-bright);
  background: var(--surface-2);
}
.specrow dt {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -.02em;
  /* count-up animation — starts slightly scaled down */
  transition: color .3s var(--ease);
}
.specrow dt.counting { color: var(--accent-text); }
.specrow dd {
  font-size: .72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: .07em;
  line-height: 1.3;
  margin-top: 2px;
}

/* terminal "course manifest" */
.term {
  background: var(--surface-3); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight), 0 30px 60px -30px rgba(0, 0, 0, .8);
  overflow: hidden; font-family: var(--font-mono); min-width: 0;
}
.term__bar { display: flex; align-items: center; gap: 7px; padding: 11px var(--s-4); border-bottom: 1px solid var(--divider); background: rgba(255, 255, 255, .02); }
.term__bar span { width: 11px; height: 11px; border-radius: 50%; background: #2a3140; }
.term__bar span:nth-child(1) { background: #ff5f57; } .term__bar span:nth-child(2) { background: #febc2e; } .term__bar span:nth-child(3) { background: #28c840; }
.term__bar em { margin-left: auto; font-style: normal; font-size: .75rem; color: var(--text-faint); }
.term__body { padding: var(--s-5); font-size: .8125rem; line-height: 1.85; color: var(--text-muted); overflow-x: auto; }
.c-prompt { color: var(--accent-text); } .c-arg { color: #fff; } .c-key { color: var(--text); } .c-val { color: var(--accent-text); } .c-ok { color: var(--ok); }
.c-cursor { color: var(--accent-text); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }


/* =============================================================
   HERO — 2-COLUMN LAYOUT + SPEC PANEL
   ============================================================= */

/* Hero eyebrow row */
.hero__eyebrow-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--s-4);
}
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(.65rem, 2.6vw, .75rem);
  font-weight: 600;
  letter-spacing: .03em;
  color: #E2E8F0;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(229, 192, 91, 0.35);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  border-radius: var(--r-pill);
  padding: 5px 14px;
  white-space: nowrap;
  box-sizing: border-box;
}
@media (max-width: 480px) {
  .eyebrow-pill {
    padding: 5px 11px;
    gap: 6px;
    font-size: .66rem;
  }
}
@media (max-width: 370px) {
  .eyebrow-pill {
    font-size: .6rem;
    padding: 4px 9px;
  }
}
.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  height: 30px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
  padding: 0 12px;
}
.eyebrow-pill-text {
  display: inline-flex;
  align-items: center;
  height: 30px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
}
.eyebrow-sep {
  color: var(--text-faint);
  font-size: 1rem;
  line-height: 1;
}

/* Btn sub-label & main text */
.hero__actions .btn {
  white-space: normal;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.btn__main {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
}
.btn__sub {
  display: block;
  font-size: .72rem;
  font-weight: 500;
  opacity: .85;
  letter-spacing: .01em;
  margin-top: 3px;
  line-height: 1.3;
  white-space: normal;
  text-align: center;
  max-width: 100%;
}



/* Desktop 2-column hero */
@media (min-width: 960px) {
  .hero__inner {
    grid-template-columns: 1.22fr 0.95fr;
    gap: var(--s-8);
    align-items: center;
  }
}

/* ── Hero spec panel (right column) ── */
.hero__panel {
  display: none;
}
@media (min-width: 960px) {
  .hero__panel { display: block; }
}

.hpanel {
  background: #080B14;
  border: 1px solid rgba(37,99,235,.25);
  border-radius: var(--r-xl);
  padding: var(--s-5) var(--s-6);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.05),
    0 0 0 1px rgba(0,0,0,.4),
    0 40px 80px -30px rgba(0,0,0,.8),
    0 0 60px -20px rgba(37,99,235,.12);
  position: relative;
  overflow: hidden;
}
.hpanel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(37,99,235,.08) 0%, transparent 65%);
  pointer-events: none;
}
.hpanel__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--s-5);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.hpanel__tag {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text-strong);
  text-transform: uppercase;
}
.hpanel__status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ok);
}
.hpanel__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px rgba(52,211,153,.6);
  animation: hpanel-pulse 2s ease-in-out infinite;
}
@keyframes hpanel-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.hpanel__grid {
  display: grid;
  gap: 1px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: var(--s-5);
}
.hpanel__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px var(--s-4);
  background: #080B14;
  font-family: var(--font-mono);
  font-size: .78rem;
  transition: background .12s;
}
.hpanel__row:hover { background: rgba(37,99,235,.07); }
.hpanel__row > span:first-child { color: var(--text-faint); }
.hpanel__val { color: var(--text); font-weight: 600; }
.hpanel__val.accent-val { color: var(--accent-text); }
.hpanel__modules { padding-top: var(--s-3); }
.hpanel__modules > span {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--text-faint);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--s-3);
}
.hpanel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.hpanel__tags i {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .68rem;
  color: var(--text-muted);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 5px;
  padding: 3px 8px;
}

/* =============================================================
   AURILEARN AI TUTOR SECTION
   ============================================================= */

/* ── Big AI tutor hero card ── */
.auri-hero {
  background: var(--surface-1);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-xl);
  padding: clamp(var(--s-6), 4vw, var(--s-8));
  margin-bottom: var(--s-7);
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 0 0 1px rgba(0,0,0,.3),
    0 40px 80px -40px rgba(37,99,235,.2);
}
.auri-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 65% 40%, rgba(37,99,235,.07) 0%, transparent 60%);
  pointer-events: none;
}

.auri-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
  position: relative;
}
@media (min-width: 860px) {
  .auri-hero__inner {
    grid-template-columns: 1.15fr .85fr;
    align-items: center;
  }
}

/* Left copy */
.auri-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
  padding: 5px 13px;
  margin-bottom: var(--s-5);
}
.auri-hero__title {
  font-size: clamp(1.4rem, 1rem + 1.8vw, 2rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.15;
  letter-spacing: -.025em;
  margin-bottom: var(--s-4);
}
.auri-hero__desc {
  color: var(--text-muted);
  font-size: .9375rem;
  line-height: 1.7;
  margin-bottom: var(--s-6);
}

/* Feature list */
.auri-feats {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--s-4);
}
.auri-feats li {
  display: flex;
  gap: var(--s-4);
  align-items: flex-start;
}
.auri-feat__icon {
  flex-shrink: 0;
  font-size: .9rem;
  color: var(--accent-text);
  margin-top: 1px;
  line-height: 1.5;
}
.auri-feats li div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.auri-feats li strong {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text-strong);
}
.auri-feats li span {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Chat widget ── */
.auri-hero__right {
  display: flex;
  align-items: center;
  justify-content: center;
}
.chat-card {
  background: #07090F;
  border: 1px solid rgba(37,99,235,.22);
  border-radius: var(--r-lg);
  overflow: hidden;
  width: 100%;
  max-width: 400px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.03),
    0 30px 60px -20px rgba(0,0,0,.8);
}
.chat-card__header {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 12px var(--s-4);
  background: rgba(255,255,255,.025);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.chat-online {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  flex-shrink: 0;
  box-shadow: 0 0 7px rgba(52,211,153,.7);
  animation: online-pulse 2.2s ease-in-out infinite;
}
@keyframes online-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.chat-card__name {
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.chat-card__badge {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .06em;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
  padding: 3px 9px;
}
.chat-card__body {
  padding: var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.chat-msg {
  font-size: .82rem;
  line-height: 1.6;
  padding: var(--s-3) var(--s-4);
}
.chat-msg--user {
  background: rgba(37,99,235,.18);
  border: 1px solid rgba(37,99,235,.28);
  border-radius: 12px 12px 3px 12px;
  color: var(--text);
  margin-left: 20%;
}
.chat-msg--ai {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 3px 12px 12px 12px;
  color: var(--text-muted);
  margin-right: 5%;
}
.chat-msg__from {
  display: block;
  font-family: var(--font-mono);
  font-size: .63rem;
  font-weight: 700;
  color: var(--accent-text);
  letter-spacing: .07em;
  margin-bottom: 5px;
}
/* Typing dots */
.chat-typing {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 3px 0;
}
.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-text);
  opacity: .35;
  animation: t-bounce .9s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: .18s; }
.chat-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes t-bounce {
  0%, 80%, 100% { transform: translateY(0) scale(.85); opacity: .35; }
  40% { transform: translateY(-4px) scale(1); opacity: 1; }
}
.chat-card__input {
  padding: 10px var(--s-4);
  border-top: 1px solid rgba(255,255,255,.05);
  font-size: .8rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  background: rgba(255,255,255,.015);
  cursor: text;
}

/* ── 3-up benefits row ── */
.auri-benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}
@media (min-width: 680px) {
  .auri-benefits { grid-template-columns: repeat(3, 1fr); }
}
.auri-benefit {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.auri-benefit:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.auri-benefit__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-md);
  color: var(--accent-text);
  flex-shrink: 0;
}
.auri-benefit h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -.01em;
}
.auri-benefit p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Mobile: hide chat widget on very small screens */
@media (max-width: 480px) {
  .auri-hero__right { display: none; }
}




@keyframes gpu-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

.gpu__outer { position: relative; }

/* Package substrate */
.gpu__pkg {
  display: flex;
  gap: 8px;
  align-items: stretch;
  background: #080A10;
  border: 1px solid rgba(37,99,235,.2);
  border-radius: 14px;
  padding: 16px 12px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.04) inset,
    0 30px 60px -20px rgba(0,0,0,.9),
    0 0 60px -20px rgba(37,99,235,.15);
  position: relative;
}
/* BGA pads along bottom edge */
.gpu__pkg::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 24px; right: 24px; height: 4px;
  background: repeating-linear-gradient(90deg, rgba(37,99,235,.5) 0, rgba(37,99,235,.5) 3px, transparent 3px, transparent 9px);
  border-radius: 2px;
}

/* ── HBM3 Memory Stacks ── */
.gpu__hbm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 42px;
  flex-shrink: 0;
}
.gpu__hbm-label {
  font-family: var(--font-mono);
  font-size: .5rem;
  font-weight: 600;
  color: #34D399;
  letter-spacing: .08em;
  margin-bottom: 1px;
}
.gpu__hbm-stack {
  width: 36px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 3px;
  background: rgba(52,211,153,.05);
  border: 1px solid rgba(52,211,153,.18);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
/* Shimmer stripe */
.gpu__hbm-stack::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: -50%; height: 35%;
  background: linear-gradient(180deg, transparent, rgba(52,211,153,.18), transparent);
  animation: hbm-shimmer 2.8s ease-in-out infinite;
}
.gpu__hbm-stack:nth-child(2)::after { animation-delay: .9s; }
.gpu__hbm-stack:nth-child(3)::after { animation-delay: 1.8s; }
@keyframes hbm-shimmer {
  0%   { top: -50%; }
  100% { top: 130%; }
}
.gpu__hbm-chip {
  flex: 1;
  min-height: 10px;
  background: linear-gradient(135deg, #081510, #0c1e14);
  border: 1px solid rgba(52,211,153,.12);
  border-radius: 2px;
}

/* ── GPU Compute Die ── */
.gpu__die {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: #0B0D1A;
  border: 1px solid rgba(37,99,235,.18);
  border-radius: 8px;
  padding: 10px 8px;
  min-width: 0;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}
.gpu__die::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 35%, rgba(37,99,235,.07) 0%, transparent 68%);
  pointer-events: none;
}
.gpu__die-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.gpu__die-brand {
  font-family: var(--font-mono);
  font-size: .5rem;
  font-weight: 700;
  color: rgba(100,170,255,.6);
  letter-spacing: .14em;
}
.gpu__die-model {
  font-family: var(--font-mono);
  font-size: .6rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .05em;
}

/* ── SM Core Grid (JS fills this) ── */
.gpu__cores {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2.5px;
  flex: 1;
}
.gpu__core {
  aspect-ratio: 1;
  background: #111526;
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 2px;
  transition: background .12s ease, border-color .12s ease, box-shadow .12s ease;
  position: relative;
}
.gpu__core::after {
  content: '';
  position: absolute;
  inset: 25%;
  border-radius: 1px;
  background: rgba(255,255,255,.04);
}
/* Compute active */
.gpu__core.active {
  background: rgba(37,99,235,.22);
  border-color: rgba(37,99,235,.45);
  box-shadow: 0 0 5px rgba(37,99,235,.35);
}
.gpu__core.active::after { background: rgba(255,255,255,.14); }
/* Hot core */
.gpu__core.hot {
  background: rgba(37,99,235,.45);
  border-color: rgba(120,180,255,.7);
  box-shadow: 0 0 9px rgba(37,99,235,.65), inset 0 1px 0 rgba(255,255,255,.1);
}
.gpu__core.hot::after { background: rgba(255,255,255,.25); }

/* L2 Cache strip */
.gpu__l2 {
  font-family: var(--font-mono);
  font-size: .48rem;
  color: rgba(255,255,255,.18);
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
  padding: 3px 4px;
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 3px;
}

/* NVLink / PCIe interface */
.gpu__nvlink {
  display: flex;
  gap: 3px;
  justify-content: center;
  padding-top: 4px;
  border-top: 1px solid rgba(255,255,255,.05);
}
.gpu__nvlink span {
  flex: 1;
  height: 7px;
  max-width: 28px;
  background: rgba(37,99,235,.18);
  border: 1px solid rgba(37,99,235,.28);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.gpu__nvlink span::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -60%; width: 45%;
  background: linear-gradient(90deg, transparent, rgba(100,180,255,.6), transparent);
  animation: nvlink-pulse 1.6s linear infinite;
}
.gpu__nvlink span:nth-child(2)::after { animation-delay: .27s; }
.gpu__nvlink span:nth-child(3)::after { animation-delay: .54s; }
.gpu__nvlink span:nth-child(4)::after { animation-delay: .81s; }
.gpu__nvlink span:nth-child(5)::after { animation-delay: 1.08s; }
.gpu__nvlink span:nth-child(6)::after { animation-delay: 1.35s; }
@keyframes nvlink-pulse {
  0%   { left: -60%; }
  100% { left: 110%; }
}

/* SVG paths + particles overlay */
.gpu__svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
}
.gpu__path {
  fill: none;
  stroke: rgba(37,99,235,.28);
  stroke-width: 1;
  stroke-dasharray: 5 4;
  animation: path-march .8s linear infinite;
}
.gpu__path--r {
  animation-direction: reverse;
}
@keyframes path-march {
  to { stroke-dashoffset: -18; }
}
.gpu__particle {
  fill: rgba(120,190,255,.9);
  filter: drop-shadow(0 0 3px rgba(37,99,235,.9));
}

/* Ambient glow behind the whole chip */
.gpu__glow {
  position: absolute;
  inset: -24px;
  border-radius: 24px;
  background: radial-gradient(ellipse at 50% 55%, rgba(37,99,235,.16) 0%, transparent 68%);
  animation: glow-breathe 3.5s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}
@keyframes glow-breathe {
  0%, 100% { opacity: .65; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.06); }
}

/* Caption */
.gpu__caption {
  font-family: var(--font-mono);
  font-size: .6rem;
  color: var(--text-faint);
  letter-spacing: .05em;
  text-align: center;
  opacity: .7;
}

/* Restore 2-column hero on desktop */


/* offer band — free pricing + the two headline features, high in the hero */
.hero__offer { position: relative; display: grid; gap: var(--s-4); margin-top: var(--s-7); }
.offer {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-xl);
  box-shadow: inset 0 1px 0 var(--highlight);
  padding: var(--s-5) var(--s-6);
}
.offer__label { font-size: .9rem; color: var(--text-muted); }
.offer__price { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--s-4); margin-top: var(--s-2); }
.offer__was {
  font-family: var(--font-mono); font-weight: 600; color: var(--text-faint);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem);
  text-decoration: line-through; text-decoration-color: var(--text-faint);
}
.offer__free {
  font-family: var(--font-mono); font-weight: 800; line-height: 1; letter-spacing: .01em;
  color: #FF5A5A; font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem);
}
.offer__feats { display: grid; grid-template-columns: 1fr; gap: var(--s-4); }
.ofeat {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-xl);
  box-shadow: inset 0 1px 0 var(--highlight); padding: var(--s-6);
}
.ofeat__badge {
  display: inline-grid; place-items: center; width: 46px; height: 46px;
  border-radius: var(--r-md); font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem;
}
.ofeat__badge--ai { color: var(--accent-text); border: 1px solid var(--accent-line); background: var(--accent-soft); }
.ofeat__badge--qz { color: var(--ok); border: 1px solid rgba(52, 211, 153, .45); background: rgba(52, 211, 153, .14); }
.ofeat__title { margin-top: var(--s-4); font-size: 1.15rem; font-weight: 700; color: var(--text-strong); }
.ofeat__desc { margin-top: var(--s-2); color: var(--text-muted); font-size: .95rem; line-height: 1.6; }
@media (min-width: 720px) { .offer__feats { grid-template-columns: 1fr 1fr; } .offer__price { gap: var(--s-5); } }

@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.08fr .92fr; gap: var(--s-9); }
  .hero__lede { font-size: 1.25rem; }
}

/* Hide GPU chip on mobile — hero stays single column */
@media (max-width: 899px) {
  .hero__visual { display: none; }
}

/* ---------- PROBLEM ---------- */
.problem__grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
@media (min-width: 820px) { .problem__grid { grid-template-columns: .85fr 1.15fr; align-items: stretch; } }
.statcard {
  background: linear-gradient(180deg, var(--surface-1), var(--bg));
  border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight);
  padding: var(--s-6); display: flex; flex-direction: column; justify-content: center; gap: var(--s-3);
}
.statcard__num { font-family: var(--font-mono); font-weight: 600; font-size: clamp(3.2rem, 2rem + 5vw, 4.6rem); line-height: .9; color: var(--text-strong); }
.statcard__unit { color: var(--accent-text); }
.statcard__label { color: var(--text-muted); font-size: .95rem; }
.movelist { list-style: none; padding: 0; display: grid; gap: var(--s-3); }
.movelist li {
  display: flex; gap: var(--s-4); align-items: flex-start;
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-md);
  box-shadow: inset 0 1px 0 var(--highlight); padding: var(--s-5);
  transition: border-color .16s var(--ease), background .16s var(--ease);
}
.movelist li:hover { border-color: var(--border-strong); background: var(--surface-2); }
.movelist__i { font-family: var(--font-mono); font-size: .8rem; color: var(--accent-text); padding-top: 3px; }
.movelist strong { display: block; color: var(--text-strong); font-weight: 600; margin-bottom: 2px; }
.movelist p { color: var(--text-muted); font-size: .9rem; }

/* ---------- AURILEARN SECTION ---------- */
.aurilearn__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
  margin-top: var(--s-6);
}
@media (min-width: 760px) {
  .aurilearn__grid { grid-template-columns: repeat(3, 1fr); }
}
.auri-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}
.auri-card:hover { border-color: var(--border-strong); background: var(--surface-2); transform: translateY(-3px); }
.auri-card__icon { font-size: 2rem; line-height: 1; }
.auri-card h3 { font-size: var(--fs-h3); font-weight: 700; color: var(--text-strong); }
.auri-card p { color: var(--text-muted); font-size: .95rem; line-height: 1.65; }

/* --- AI Tutor Hero Card --- */
.auri-hero {
  background: var(--surface-1);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-xl);
  box-shadow:
    inset 0 1px 0 var(--highlight),
    0 40px 90px -50px rgba(37,99,235,.2);
  padding: clamp(var(--s-6), 4vw, var(--s-8));
  margin-bottom: var(--s-6);
  position: relative;
  overflow: hidden;
}
.auri-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(37,99,235,.06) 0%, transparent 65%);
  pointer-events: none;
}
.auri-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
  padding: 5px 12px;
  margin-bottom: var(--s-5);
}
.auri-hero__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
}
@media (min-width: 860px) {
  .auri-hero__content { grid-template-columns: 1.1fr .9fr; align-items: center; }
}
.auri-hero__title {
  font-size: clamp(1.3rem, 1rem + 1.5vw, 1.75rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: var(--s-4);
}
.auri-hero__desc {
  color: var(--text-muted);
  font-size: .9375rem;
  line-height: 1.7;
  margin-bottom: var(--s-5);
}
.auri-hero__feats {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--s-3);
}
.auri-hero__feats li {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  font-size: .925rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.auri-hero__feats li strong { color: var(--text); }
.auri-feat-dot {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-text);
  margin-top: 5px;
  box-shadow: 0 0 6px rgba(37,99,235,.6);
}

/* --- Chat widget demo --- */
.auri-hero__demo { position: relative; }
.chat {
  background: #080A10;
  border: 1px solid rgba(37,99,235,.2);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.7);
}
.chat__header {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 12px var(--s-4);
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
}
.chat__dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.chat__dot--green {
  background: #34D399;
  box-shadow: 0 0 6px rgba(52,211,153,.6);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}
.chat__name {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.chat__badge {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .07em;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
  padding: 3px 9px;
}
.chat__body {
  padding: var(--s-4);
  display: grid;
  gap: var(--s-3);
}
.chat__msg {
  font-size: .84rem;
  line-height: 1.6;
  border-radius: 10px;
  padding: var(--s-3) var(--s-4);
  max-width: 90%;
}
.chat__msg--user {
  background: rgba(37,99,235,.18);
  border: 1px solid rgba(37,99,235,.3);
  color: var(--text);
  margin-left: auto;
  border-radius: 10px 10px 2px 10px;
}
.chat__msg--ai {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  color: var(--text-muted);
  border-radius: 10px 10px 10px 2px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 100%;
}
.chat__ai-label {
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 700;
  color: var(--accent-text);
  letter-spacing: .06em;
  margin-bottom: 2px;
  display: block;
}
/* Typing dots animation */
.chat__dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}
.chat__dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-text);
  opacity: .4;
  animation: typing-bounce .9s ease-in-out infinite;
}
.chat__dots span:nth-child(2) { animation-delay: .15s; }
.chat__dots span:nth-child(3) { animation-delay: .3s; }
@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(.8); opacity: .4; }
  40% { transform: scale(1.1); opacity: 1; }
}


/* ---------- WHAT YOU WILL BUILD ---------- */

.build__layout { display: grid; grid-template-columns: 1fr; gap: var(--s-6); align-items: start; }
@media (min-width: 920px) { .build__layout { grid-template-columns: .9fr 1.1fr; gap: var(--s-8); } }

.doc {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight), 0 24px 50px -28px rgba(0, 0, 0, .8);
  padding: var(--s-6); position: relative;
}
.doc::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: linear-gradient(160deg, var(--accent-line), transparent 40%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.doc__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--s-4); }
.doc__kicker { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; color: var(--accent-text); }
.doc__meta { font-family: var(--font-mono); font-size: .7rem; color: var(--text-faint); }
.doc__title { font-size: 1.15rem; margin-bottom: var(--s-4); }
.doc__lines { display: grid; gap: 8px; margin-bottom: var(--s-5); }
.doc__lines i { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .07); display: block; }
.doc__diagram { position: relative; height: 90px; margin-bottom: var(--s-5); }
.doc__diagram .node {
  position: absolute; top: 8px; font-family: var(--font-mono); font-size: .7rem; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 7px; padding: 6px 9px;
}
.node--a { left: 0; } .node--b { left: 50%; transform: translateX(-50%); } .node--c { right: 0; }
.doc__wires { position: absolute; inset: 0; width: 100%; height: 100%; }
.doc__wires path { stroke: var(--accent-line); stroke-width: 1.5; fill: none; }
.doc__wires circle { fill: var(--accent-text); }
.doc__row { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--divider); font-size: .85rem; color: var(--text-muted); }
.doc__row .mono { color: var(--accent-text); font-size: .8rem; }

/* Network topology diagram */
.doc__topo {
  margin-bottom: var(--s-5);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.06);
  padding: var(--s-3);
}
.topo { width: 100%; display: block; }

/* Node groups */
.topo__node--compute rect {
  fill: rgba(37,99,235,.12);
  stroke: rgba(37,99,235,.5);
  stroke-width: 1;
}
.topo__node--switch rect {
  fill: rgba(37,99,235,.18);
  stroke: rgba(37,99,235,.7);
  stroke-width: 1.2;
}
.topo__node--storage rect {
  fill: rgba(52,211,153,.08);
  stroke: rgba(52,211,153,.4);
  stroke-width: 1;
}

/* Text labels */
.topo__label {
  font-family: var(--font-mono);
  font-size: 8.5px;
  fill: #F5F6F8;
  text-anchor: middle;
  dominant-baseline: middle;
  font-weight: 600;
}
.topo__label--switch {
  font-size: 9px;
  fill: #7CB0FF;
}
.topo__sublabel {
  font-family: var(--font-mono);
  font-size: 7px;
  fill: #6B7385;
  text-anchor: middle;
  dominant-baseline: middle;
}
.topo__tag {
  font-family: var(--font-mono);
  font-size: 6.5px;
  fill: #4ADE80;
  dominant-baseline: middle;
  letter-spacing: .02em;
}
.topo__fab {
  font-family: var(--font-mono);
  font-size: 7px;
  fill: #4B5268;
  letter-spacing: .05em;
}

/* Wires */
.topo__wire {
  stroke: rgba(37,99,235,.5);
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.topo__wire--nvlink {
  stroke: rgba(74,222,128,.55);
  stroke-width: 1.5;
  stroke-dasharray: 3 2;
}
.topo__wire--storage {
  stroke: rgba(52,211,153,.5);
  stroke-width: 1.2;
}


.build__takeaways { display: grid; gap: var(--s-4); }
.card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight); padding: var(--s-6);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); background: var(--surface-2); }
.take { display: grid; grid-template-columns: auto 1fr; gap: var(--s-2) var(--s-4); align-items: baseline; }
.take__i { font-family: var(--font-mono); font-size: .8rem; color: var(--accent-text); grid-row: span 2; }
.take h3 { font-size: var(--fs-h3); }
.take p { color: var(--text-muted); font-size: .95rem; }

/* ---------- MODULES (accordion) ---------- */
.modules { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--surface-1); box-shadow: inset 0 1px 0 var(--highlight); }
.module { border-top: 1px solid var(--divider); }
.module:first-child { border-top: none; }
.module > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: var(--s-4); padding: var(--s-5); transition: background .16s var(--ease); }
.module > summary::-webkit-details-marker { display: none; }
.module > summary:hover { background: var(--surface-2); }
.module__no { font-family: var(--font-mono); font-size: .85rem; font-weight: 500; color: var(--accent-text); flex: none; width: 26px; }
.module__head { flex: 1; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.module__title { font-weight: 600; color: var(--text-strong); font-size: 1.0625rem; letter-spacing: -.01em; }
.module__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.module__tags i, .stack__tags i {
  font-family: var(--font-mono); font-style: normal; font-size: .7rem; color: var(--text-muted);
  background: rgba(255, 255, 255, .04); border: 1px solid var(--border); border-radius: 6px; padding: 3px 7px;
}
.module__chev { flex: none; width: 10px; height: 10px; border-right: 2px solid var(--text-faint); border-bottom: 2px solid var(--text-faint); transform: rotate(45deg); transition: transform .22s var(--ease); margin-top: -4px; }
.module[open] > summary { background: var(--surface-2); }
.module[open] .module__chev { transform: rotate(225deg); margin-top: 2px; }
.module__body { padding: 0 var(--s-5) var(--s-5) calc(var(--s-5) + 26px + var(--s-4)); color: var(--text-muted); font-size: .95rem; }

.stack { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); margin-top: var(--s-6); }
.stack__label { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); }
.stack__tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- PRICING ---------- */
.price {
  max-width: 480px; margin-inline: auto; position: relative;
  background: var(--surface-1); border: 1px solid var(--accent-line); border-radius: var(--r-xl);
  box-shadow: inset 0 1px 0 var(--highlight), 0 40px 90px -50px var(--accent-glow);
  padding: clamp(var(--s-6), 5vw, var(--s-8)); text-align: center;
}
.price__badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: .7rem; font-weight: 600; letter-spacing: .12em;
  background: var(--accent); color: #fff; padding: 6px 14px; border-radius: var(--r-pill);
  box-shadow: 0 6px 16px -6px var(--accent-glow);
}
.price__amount { display: flex; align-items: flex-start; justify-content: center; gap: 4px; margin-top: var(--s-3); }
.price__amount--free { flex-direction: column; align-items: center; gap: 4px; }
.price__strike { font-family: var(--font-mono); font-size: 1.35rem; color: var(--text-faint); text-decoration: line-through; text-decoration-color: var(--accent-text); letter-spacing: .02em; }
.price__cur { font-family: var(--font-mono); font-size: 1.6rem; color: var(--text-muted); margin-top: 8px; }
.price__num { font-family: var(--font-mono); font-weight: 600; font-size: 4rem; line-height: 1; color: var(--text-strong); font-variant-numeric: tabular-nums; }
.price__amount--free .price__num { color: var(--accent-text); }
.price__per { font-family: var(--font-mono); font-size: .85rem; color: var(--text-faint); margin-top: 10px; letter-spacing: .05em; }
.price__note { color: var(--text-muted); font-size: .9rem; margin-top: var(--s-2); }
.price__list { list-style: none; padding: 0; margin: var(--s-6) 0; display: grid; gap: var(--s-3); text-align: left; }
.price__list li { position: relative; padding-left: 30px; color: var(--text); font-size: .95rem; }
.price__list li::before { content: "✓"; position: absolute; left: 0; top: -1px; width: 20px; height: 20px; display: grid; place-items: center; font-size: .7rem; color: var(--accent-text); background: var(--accent-soft); border-radius: 6px; }
.price__trust { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .04em; color: var(--text-faint); margin-top: var(--s-4); }
.price__alt { font-size: .9rem; color: var(--text-muted); margin-top: var(--s-4); }
.price__alt a { color: var(--accent-text); font-weight: 500; }
.price__alt a:hover { text-decoration: underline; }

/* ---------- FAQ ---------- */
.faq__layout { display: grid; grid-template-columns: 1fr; gap: var(--s-6); }
@media (min-width: 880px) { .faq__layout { grid-template-columns: .8fr 1.2fr; gap: var(--s-8); align-items: start; } .faq__layout .section__head { margin-bottom: 0; } }
.faq { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--surface-1); box-shadow: inset 0 1px 0 var(--highlight); }
.qa { border-top: 1px solid var(--divider); }
.qa:first-child { border-top: none; }
.qa > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: var(--s-5); font-weight: 600; color: var(--text-strong); transition: background .16s var(--ease); }
.qa > summary::-webkit-details-marker { display: none; }
.qa > summary:hover { background: var(--surface-2); }
.qa[open] > summary { background: var(--surface-2); }
.qa[open] .module__chev { transform: rotate(225deg); margin-top: 2px; }
.qa__body { padding: 0 var(--s-5) var(--s-5); color: var(--text-muted); font-size: .95rem; }

/* ---------- FOOTER ---------- */
.footer {
  background: #05070C;
  border-top: 1px solid var(--border);
  padding-block: var(--s-8) var(--s-7);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid var(--border);
}
.footer__brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.footer__brand-name {
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text-strong);
  margin-top: 4px;
}
.footer__tag {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 340px;
}
.footer__links-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
}
.footer__group-title {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent-text);
  text-transform: uppercase;
  margin-bottom: var(--s-3);
}
.footer__nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.footer__nav-list a {
  color: var(--text-muted);
  font-size: .875rem;
  transition: color .16s var(--ease);
}
.footer__nav-list a:hover {
  color: var(--text-strong);
  text-decoration: underline;
}
.footer__action-col {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  align-items: flex-start;
}
.footer__action-sub {
  font-size: .75rem;
  color: var(--text-faint);
}

.footer__bottom {
  padding-top: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.footer__disclosure {
  font-size: .75rem;
  color: var(--text-faint);
  line-height: 1.6;
  max-width: 840px;
}
.footer__base {
  font-size: .8125rem;
  color: var(--text-faint);
}

@media (min-width: 860px) {
  .footer__grid {
    grid-template-columns: 1.8fr 2fr 1.2fr;
    gap: var(--s-8);
    align-items: start;
  }
  .footer__bottom {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--s-8);
  }
  .footer__base {
    flex-shrink: 0;
    text-align: right;
  }
}



/* ---------- READING LIST PAGE ---------- */
.hero--reading { padding-block: clamp(var(--s-8), 7vw, 96px) clamp(var(--s-6), 4vw, 56px); }
.rl-title { font-size: clamp(2.2rem, 1.5rem + 3.4vw, 3.4rem); font-weight: 800; margin-bottom: var(--s-5); }
.rl-start { display: grid; grid-template-columns: 1fr; gap: var(--s-4); }
@media (min-width: 760px) { .rl-start { grid-template-columns: 1fr 1fr; } }
.rl-card {
  display: flex; flex-direction: column; gap: var(--s-2);
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight); padding: var(--s-6);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.rl-card:hover { transform: translateY(-3px); border-color: var(--accent-line); background: var(--surface-2); }
.rl-card--feat { border-color: var(--accent-line); }
.rl-src { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--accent-text); text-transform: uppercase; }
.rl-name { font-size: 1.1rem; font-weight: 700; color: var(--text-strong); letter-spacing: -.01em; }
.rl-why { color: var(--text-muted); font-size: .92rem; flex: 1; }
.rl-go { font-family: var(--font-mono); font-size: .8rem; color: var(--accent-text); margin-top: var(--s-2); }

.rl-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
@media (min-width: 800px) { .rl-grid { grid-template-columns: 1fr 1fr; gap: var(--s-6); } }
.rl-theme {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight); padding: var(--s-6);
}
.rl-theme h2 { font-size: 1.1rem; margin-bottom: var(--s-5); display: flex; align-items: center; gap: var(--s-3); letter-spacing: -.01em; }
.rl-no { font-family: var(--font-mono); font-size: .8rem; color: var(--accent-text); background: var(--accent-soft); border-radius: 6px; padding: 4px 8px; }
.rl-theme ul { list-style: none; padding: 0; display: grid; gap: var(--s-4); }
.rl-theme li { padding-top: var(--s-4); border-top: 1px solid var(--divider); }
.rl-theme li:first-child { padding-top: 0; border-top: none; }
.rl-theme li a { display: flex; flex-direction: column; gap: 3px; }
.rl-theme li a b { color: var(--text-strong); font-weight: 600; font-size: .95rem; line-height: 1.35; transition: color .14s var(--ease); }
.rl-theme li a:hover b { color: var(--accent-text); }
.rl-theme li a i { font-family: var(--font-mono); font-style: normal; font-size: .72rem; color: var(--text-faint); }
.rl-theme li p { color: var(--text-muted); font-size: .85rem; margin-top: 4px; }
.rl-flag { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .05em; text-transform: uppercase; color: var(--text-faint); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; margin-left: 6px; }

/* ---------- reveal-on-scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .55s var(--ease), transform .55s var(--ease); will-change: opacity, transform; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* =================================================================
   LEGAL PAGE — Terms & Conditions / Refund Policy (terms.html)
   Narrow measure, generous rhythm: long-form reading, not marketing.
   ================================================================= */
.legal__meta { font-family: var(--font-mono); font-size: .85rem; color: var(--text-faint); }
.legal__wrap { max-width: 820px; padding-bottom: var(--s-10); }


/* Bracketed field still awaiting a real value. Delete this rule once all are filled. */
.legal__ph {
  font-family: var(--font-mono); font-size: .9em;
  color: var(--text-muted); background: rgba(255, 255, 255, .05);
  padding: 1px 6px; border-radius: 5px;
}


.legal__toc { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--s-5); margin-bottom: var(--s-8); }
.legal__toc-title { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: var(--s-3); }
.legal__toc ul { list-style: none; padding: 0; display: grid; gap: var(--s-2); }
.legal__toc a { color: var(--accent-text); }
.legal__toc a:hover { text-decoration: underline; }

.legal__part { margin-bottom: var(--s-9); }
.legal__part-title {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem); padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--border); margin-bottom: var(--s-6);
}
.legal h3 { font-size: 1.0625rem; margin-block: var(--s-6) var(--s-3); color: var(--text-strong); }
.legal p { margin-bottom: var(--s-4); color: var(--text); font-size: 1rem; line-height: 1.7; }
.legal ul { margin-bottom: var(--s-4); padding-left: var(--s-5); display: grid; gap: var(--s-2); }
.legal li { color: var(--text); font-size: 1rem; line-height: 1.65; }
.legal a { color: var(--accent-text); }
.legal p:last-child { margin-bottom: 0; }
.price__terms { font-size: .8rem; color: var(--text-faint); margin-top: var(--s-3); line-height: 1.5; }
.price__terms a { color: var(--text-muted); text-decoration: underline; text-underline-offset: 2px; }
.price__terms a:hover { color: var(--accent-text); }

/* =================================================================
   MOBILE OPTIMISATION — Global responsive pass
   Breakpoints: 480px (xs), 640px (sm), 768px (md), 900px (lg)
   Strategy: stack → full-width buttons → tighter spacing → readable type
   ================================================================= */

/* --- Tighten the spacing scale on small screens --- */
@media (max-width: 640px) {
  :root {
    --s-7: 36px;
    --s-8: 48px;
    --s-9: 64px;
    --s-10: 80px;
  }
  .container { padding-inline: var(--s-4); }
}

/* --- Buttons: full-width on small screens for easy tap targets --- */
@media (max-width: 480px) {
  .btn--lg {
    width: 100%;
    justify-content: center;
    padding: 16px 20px;
    font-size: .9375rem;
  }
}

/* --- NAV: hide links on mobile, keep logo + CTA --- */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__inner { justify-content: space-between; }
  .nav__cta { margin-left: auto; }
}
@media (min-width: 769px) and (max-width: 900px) {
  .nav__inner { justify-content: space-between; }
  .nav__cta { margin-left: auto; }
  .nav__links a { font-size: .85rem; }
}

/* Hero CLI Terminal Box */
.hero__cli {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  background: rgba(11, 15, 25, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border-radius: var(--r-pill);
  padding: 8px 18px;
  margin-top: var(--s-4);
  max-width: 100%;
}
.cli-prompt { color: var(--accent-text); font-weight: 700; }
.cli-cmd { color: #E2E8F0; }
.cli-status { font-size: .62rem; color: #10B981; background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); padding: 1px 6px; border-radius: 4px; font-weight: 700; letter-spacing: .05em; }
.cli-cursor { color: var(--accent-text); animation: blink 1.1s steps(1) infinite; }

/* Hero Quick Navigation Pill Strip */
.hero__quick-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: var(--s-4);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero__quick-nav a {
  color: #64748B;
  transition: color .15s ease;
}
.hero__quick-nav a:hover {
  color: #CBD5E1;
  text-decoration: underline;
}

/* --- HERO --- */
@media (max-width: 768px) {
  .hero { padding-block: 28px 36px; overflow-x: clip; }
  .hero__inner { text-align: center; max-width: 100%; }
  .hero__eyebrow-wrap { justify-content: center; margin-bottom: var(--s-3); }
  .hero__br { display: none; }
  .hero__title {
    font-size: clamp(2.45rem, 8.8vw, 3.25rem);
    line-height: 1.05;
    font-weight: 850;
    margin-bottom: var(--s-4);
    letter-spacing: -.038em;
    word-break: normal;
    overflow-wrap: break-word;
    text-wrap: balance;
  }
  .hero__title-line {
    display: block;
  }
  .hero__title .accent {
    background: linear-gradient(135deg, #60A5FA 0%, #93C5FD 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-top: 4px;
  }
  .hero__lede {
    font-size: .875rem;
    line-height: 1.58;
    color: #94A3B8;
    margin-inline: auto;
    max-width: 360px;
    padding-inline: 4px;
    text-wrap: pretty;
  }

  /* Actions: stack + full-width */
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--s-3);
    margin-top: var(--s-5);
    width: 100%;
    max-width: 360px;
    margin-inline: auto;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 13px 18px;
    box-sizing: border-box;
  }

  .hero__cli {
    margin-inline: auto;
    font-size: .72rem;
    padding: 6px 14px;
    max-width: 100%;
    box-sizing: border-box;
    margin-top: var(--s-4);
  }

  .hero__note {
    font-size: .76rem;
    line-height: 1.45;
    margin-top: var(--s-3);
    color: var(--text-faint);
    margin-inline: auto;
    max-width: 340px;
    padding-inline: 6px;
    text-wrap: balance;
  }

  .hero__quick-nav {
    justify-content: center;
    gap: 12px;
    margin-top: var(--s-4);
  }
}





/* --- OFFER BAND (hero__offer) --- */
@media (max-width: 640px) {
  .hero__offer { margin-top: var(--s-6); }
  .offer { padding: var(--s-4) var(--s-5); }
  .offer__label { font-size: .85rem; }
  .offer__feats { grid-template-columns: 1fr; gap: var(--s-3); }
  .ofeat { padding: var(--s-5); }
  .ofeat__title { font-size: 1rem; }
  .ofeat__desc { font-size: .875rem; }
}

/* --- SECTION headings --- */
@media (max-width: 640px) {
  .section { padding-block: var(--s-7); }
  .section__head { margin-bottom: var(--s-6); }
  .section__title { font-size: clamp(1.5rem, 5.5vw, 2rem); }
  .section__lede { font-size: .9375rem; }
  .eyebrow { font-size: .75rem; margin-bottom: var(--s-3); }
}

/* --- PROBLEM --- */
@media (max-width: 820px) {
  .problem__grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .statcard { padding: var(--s-5); }
  .statcard__num { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .movelist li { padding: var(--s-4); gap: var(--s-3); }
}

/* --- BUILD / DELIVERABLE --- */
@media (max-width: 920px) {
  .build__layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .doc { padding: var(--s-5); }
  .doc__title { font-size: 1rem; }
  .card { padding: var(--s-5); }
  .take h3 { font-size: 1.05rem; }
}

/* --- MODULES --- */
@media (max-width: 640px) {
  .module > summary { padding: var(--s-4); gap: var(--s-3); }
  .module__title { font-size: .95rem; }
  .module__tags { gap: 4px; }
  .module__tags i { font-size: .65rem; padding: 2px 6px; }
  .module__body { padding: 0 var(--s-4) var(--s-4) calc(var(--s-4) + 26px + var(--s-3)); font-size: .875rem; }
  .stack { gap: var(--s-2); margin-top: var(--s-5); }
  .stack__tags i { font-size: .65rem; padding: 2px 6px; }
}

/* --- PRICING --- */
@media (max-width: 560px) {
  .price { padding: var(--s-6) var(--s-5); }
  .price__num { font-size: 3rem; }
  .price__strike { font-size: 1.1rem; }
  .price__list { gap: var(--s-3); margin: var(--s-5) 0; }
  .price__list li { font-size: .9rem; padding-left: 26px; }
  .price__trust { font-size: .7rem; }
}

/* --- FAQ --- */
@media (max-width: 640px) {
  .qa > summary { padding: var(--s-4); font-size: .9375rem; }
  .qa__body { padding: 0 var(--s-4) var(--s-4); font-size: .875rem; }
}

/* --- FOOTER --- */
@media (max-width: 760px) {
  .footer__inner { flex-direction: column; align-items: flex-start; gap: var(--s-5); }
  .footer__cta { align-items: flex-start; width: 100%; }
  .footer__cta .btn { width: 100%; justify-content: center; }
  .footer__links { font-size: .85rem; }
}

/* =============================================================
   CONVERSION CTA ADDITIONS
   ============================================================= */

/* --- Hero urgency wrap + micro-copy --- */
.hero__cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--s-2);
}
.hero__urgency {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-muted);
  letter-spacing: .03em;
}
.hero__urgency strong { color: #7CB0FF; }

/* --- Pulse animation on primary CTA --- */
@keyframes cta-pulse {
  0%, 100% { box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 6px 20px -8px var(--accent-glow), 0 0 0 0 rgba(37,99,235,.55); }
  50%       { box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 6px 20px -8px var(--accent-glow), 0 0 0 8px rgba(37,99,235,0); }
}
.btn--pulse { animation: cta-pulse 2.4s ease-in-out infinite; }
.btn--pulse:hover { animation: none; }

/* --- Mid-funnel CTA interrupt strip --- */
.cta-interrupt {
  background: linear-gradient(135deg, rgba(37,99,235,.12) 0%, rgba(37,99,235,.04) 100%);
  border-top: 1px solid rgba(37,99,235,.25);
  border-bottom: 1px solid rgba(37,99,235,.25);
  padding: var(--s-8) 0;
}
.cta-interrupt__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  flex-wrap: wrap;
}
.cta-interrupt__copy {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  max-width: 56ch;
  line-height: 1.5;
  margin: 0;
}
@media (max-width: 680px) {
  .cta-interrupt { padding: var(--s-6) 0; }
  .cta-interrupt__inner { flex-direction: column; align-items: stretch; gap: var(--s-4); }
  .cta-interrupt__copy { font-size: .9375rem; }
  .cta-interrupt__inner .btn { width: 100%; justify-content: center; }
}

/* --- Post-deliverable inline CTA with social proof --- */
.inline-cta {
  margin-top: var(--s-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-5) var(--s-6);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight);
  flex-wrap: wrap;
}
.inline-cta__proof {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.inline-cta__avatars {
  display: flex;
  flex-shrink: 0;
}
.inline-cta__avatars span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: .85rem;
}
.inline-cta__avatars span:not(:first-child) { margin-left: -10px; }
.inline-cta__social {
  font-size: .875rem;
  color: var(--text-muted);
  max-width: 32ch;
  line-height: 1.45;
}
@media (max-width: 680px) {
  .inline-cta { flex-direction: column; align-items: stretch; gap: var(--s-4); padding: var(--s-4) var(--s-5); }
  .inline-cta__proof { align-items: flex-start; }
  .inline-cta__social { font-size: .85rem; max-width: 100%; }
  .inline-cta .btn { width: 100%; justify-content: center; }
}

/* --- Post-modules CTA block --- */
.modules-cta {
  margin-top: var(--s-8);
}
.modules-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-6) var(--s-7);
  background: linear-gradient(135deg, var(--surface-2) 0%, rgba(37,99,235,.06) 100%);
  border: 1px solid rgba(37,99,235,.2);
  border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--highlight), 0 4px 24px -8px rgba(37,99,235,.18);
  flex-wrap: wrap;
}
.modules-cta__label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 var(--s-1);
}
.modules-cta__sub {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .03em;
  margin: 0;
}
.modules-cta__actions {
  display: flex;
  gap: var(--s-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .modules-cta__inner { flex-direction: column; align-items: stretch; gap: var(--s-4); padding: var(--s-5); }
  .modules-cta__label { font-size: .9375rem; }
  .modules-cta__sub { font-size: .7rem; }
  .modules-cta__actions { flex-direction: column; width: 100%; }
  .modules-cta__actions .btn { width: 100%; justify-content: center; }
}

/* --- Post-FAQ CTA --- */
.faq-cta {
  margin-top: var(--s-8);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-4);
}
.faq-cta__copy {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.faq-cta__actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  justify-content: center;
}
@media (max-width: 560px) {
  .faq-cta__copy { font-size: 1rem; }
  .faq-cta__actions { flex-direction: column; align-items: stretch; width: 100%; }
  .faq-cta__actions .btn { width: 100%; justify-content: center; }
}

/* --- Sticky mobile CTA bar --- */
.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  padding: var(--s-3) var(--s-4);
  background: rgba(10, 12, 18, .95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px -8px rgba(0,0,0,.6);
  transform: translateY(110%);
  transition: transform .32s cubic-bezier(.4,0,.2,1);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.sticky-cta__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.sticky-cta__name {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-cta__price {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--accent-text);
  font-weight: 700;
}
.sticky-cta__price s { color: var(--text-faint); font-weight: 400; margin-right: 4px; }
.sticky-cta .btn {
  flex-shrink: 0;
  padding: 11px 20px;
  font-size: .875rem;
}

/* Hide sticky bar on desktop — it's a mobile conversion tool */
@media (min-width: 900px) {
  .sticky-cta { display: none; }
}

/* On very small screens, tighten the sticky bar further */
@media (max-width: 380px) {
  .sticky-cta__name { display: none; }
  .sticky-cta__price { font-size: .75rem; }
}

/* =============================================================
   AURILEARN BRANDING (TRANSPARENT GOLD TREE)
   ============================================================= */

/* Eyebrow AuriLearn tree icon */
.eyebrow-auri-icon {
  height: 18px;
  width: auto;
  display: inline-block;
  vertical-align: -3px;
  margin-right: 2px;
  filter: drop-shadow(0 0 8px rgba(229, 192, 91, 0.45));
}

/* AuriLearn Section Pill */
.auri-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(229, 192, 91, 0.08);
  border: 1px solid rgba(229, 192, 91, 0.25);
  padding: 6px 16px;
  border-radius: var(--r-pill);
}
.auri-pill-icon {
  height: 24px;
  width: auto;
  display: inline-block;
  filter: drop-shadow(0 0 10px rgba(229, 192, 91, 0.6));
}

/* Chat Card Header Avatar */
.chat-tree-avatar {
  height: 26px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 8px rgba(229, 192, 91, 0.5));
}

/* Chat Message Avatar */
.chat-msg__from {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent-text);
  margin-bottom: var(--s-1);
}
.chat-msg__tree {
  height: 16px;
  width: auto;
  display: inline-block;
  filter: drop-shadow(0 0 6px rgba(229, 192, 91, 0.45));
}

/* Pricing Section Trust Wrap */
.price__trust-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: var(--s-4);
  flex-wrap: wrap;
}
.price-auri-tree {
  height: 22px;
  width: auto;
  display: inline-block;
  filter: drop-shadow(0 0 8px rgba(229, 192, 91, 0.45));
}

/* Footer Brand Lockup */
.footer__brand-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-x {
  color: var(--text-faint);
  font-size: .85rem;
  font-weight: 600;
}
.footer-auri-tree {
  height: 28px;
  width: auto;
  display: inline-block;
  filter: drop-shadow(0 0 10px rgba(229, 192, 91, 0.4));
}