/* =========================================================================
   Sinthetica styles.css
   A single-file design system. No build step, no external dependencies.
   Palette: warm coral to violet to teal (human blending into synthetic).
   Type: Fraunces (display serif, the human voice) + Schibsted Grotesk
   (grotesk, the platform voice) + Michroma (wordmark, echoes the logo).
   All fonts are self-hosted latin woff2 subsets in assets/fonts/.
   ========================================================================= */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Fraunces";
  src: url("assets/fonts/fraunces.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("assets/fonts/fraunces-italic.woff2") format("woff2");
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("assets/fonts/schibsted-grotesk.woff2") format("woff2");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Michroma";
  src: url("assets/fonts/michroma.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces (cool near-black, matching the logo backdrop) */
  --bg: #06070f;
  --bg-alt: #0a0b16;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.17);

  /* Text */
  --text: #f4f3f8;
  --text-muted: #a8a6b6;
  --text-dim: #8a88a0;

  /* Brand gradient stops (sampled from the Sinthetica logo) */
  --c1: #c95ce6; /* magenta */
  --c2: #895cf6; /* violet  */
  --c3: #32c4ea; /* cyan    */
  --grad: linear-gradient(120deg, var(--c1) 0%, var(--c2) 52%, var(--c3) 100%);
  --grad-soft: linear-gradient(120deg, rgba(201,92,230,.16), rgba(137,92,246,.16) 52%, rgba(50,196,234,.16));
  --accent: #895cf6;

  /* Type */
  --font: "Schibsted Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-mark: "Michroma", "Schibsted Grotesk", Arial, sans-serif;
  --fs-hero: clamp(2.55rem, 5.1vw, 4.35rem);
  --fs-h2: clamp(1.9rem, 3.9vw, 2.95rem);
  --fs-h3: clamp(1.18rem, 1.7vw, 1.4rem);
  --fs-lede: clamp(1.02rem, 1.5vw, 1.22rem);

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 11px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 0 1px rgba(137, 92, 246, 0.35), 0 18px 50px -12px rgba(137, 92, 246, 0.35);
}

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

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

/* Anchor targets land clear of the sticky 72px nav */
[id] { scroll-margin-top: 5.5rem; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { line-height: 1.1; font-weight: 700; letter-spacing: -0.02em; }

/* Display voice: the big narrative headings speak in the serif */
.hero__title, .section__title, .vision__quote, .cta__title,
.feature-split__copy h3, .prose h1, .prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.012em;
  font-optical-sizing: auto;
}

::selection { background: rgba(137, 92, 246, 0.32); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Utilities ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* Paint past deep serif descenders (g, y): background-clip stops at the
     border box, so without this the descender tips render transparent. */
  padding-bottom: 0.15em;
  margin-bottom: -0.15em;
}

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

.skip-link {
  position: fixed; top: -100px; left: 12px; z-index: 200;
  background: var(--accent); color: #0a0a0f; font-weight: 600;
  padding: 10px 16px; border-radius: 10px; transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 1.1rem;
}
.eyebrow--center { justify-content: center; }
.eyebrow__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 12px 1px rgba(137, 92, 246, 0.7);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em;
  padding: 0.7rem 1.35rem; border-radius: 999px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap; will-change: transform;
}
.btn--lg { padding: 0.95rem 1.85rem; font-size: 1.04rem; }

.btn--primary {
  background: var(--grad);
  color: #0a0a0f;
  background-size: 160% 160%;
  background-position: 0% 50%;
  box-shadow: 0 10px 30px -8px rgba(137, 92, 246, 0.5);
}
.btn--primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -8px rgba(137, 92, 246, 0.65);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: var(--surface-2);
  border-color: rgba(255, 255, 255, 0.32);
  transform: translateY(-2px);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(9, 9, 14, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--border);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { display: grid; place-items: center; filter: drop-shadow(0 4px 14px rgba(137,92,246,.35)); }
.brand__mark img { display: block; border-radius: 22%; }
.brand__name {
  font-family: var(--font-mark);
  font-size: 0.94rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  translate: 0 1px; /* Michroma sits high on its baseline */
}

.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  font-size: 0.96rem; color: var(--text-muted); font-weight: 500;
  position: relative; transition: color 0.2s var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--grad); border-radius: 2px; transition: width 0.28s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.is-active { color: var(--text); }
.nav__links a.is-active::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: 0.75rem; }

.nav__toggle { display: none; width: 42px; height: 42px; border-radius: 11px;
  border: 1px solid var(--border); flex-direction: column; align-items: center;
  justify-content: center; gap: 5px; }
.nav__toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none; flex-direction: column; gap: 0.35rem;
  padding: 0.5rem var(--gutter) 1.5rem;
  background: rgba(9, 9, 14, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav__mobile a { padding: 0.85rem 0.5rem; color: var(--text-muted); font-weight: 500; border-radius: 10px; }
.nav__mobile a:hover { color: var(--text); background: var(--surface); }
.nav__mobile .btn { margin-top: 0.5rem; }
.nav__mobile.is-open { display: flex; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(3.5rem, 9vh, 6.5rem) 0 clamp(4rem, 9vh, 6.5rem); }

.hero__aura { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.55;
  will-change: transform;
}
.orb--1 { width: 46vw; height: 46vw; max-width: 620px; max-height: 620px;
  background: radial-gradient(circle at 30% 30%, var(--c2), transparent 65%);
  top: -12%; left: -6%; animation: float1 20s var(--ease) infinite; }
.orb--2 { width: 40vw; height: 40vw; max-width: 540px; max-height: 540px;
  background: radial-gradient(circle at 60% 40%, var(--c1), transparent 62%);
  top: -14%; right: -14%; opacity: 0.28; animation: float2 24s var(--ease) infinite; }
.orb--3 { width: 34vw; height: 34vw; max-width: 460px; max-height: 460px;
  background: radial-gradient(circle at 50% 50%, var(--c3), transparent 62%);
  bottom: -18%; left: 32%; opacity: 0.35; animation: float3 28s var(--ease) infinite; }

@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(6%, 8%) scale(1.08); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-7%, 6%) scale(1.12); } }
@keyframes float3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4%, -8%) scale(1.06); } }

.hero__grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 32% 40%, #000 30%, transparent 74%);
  mask-image: radial-gradient(ellipse 70% 60% at 32% 40%, #000 30%, transparent 74%);
}

.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.06fr 0.94fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
.hero__title { font-size: var(--fs-hero); margin-bottom: 1.4rem; line-height: 1.04; }
.hero__title-alt { display: block; font-style: italic; }
.hero__lede {
  font-size: var(--fs-lede); color: var(--text-muted); max-width: 34rem;
  margin-bottom: 2.2rem; line-height: 1.55;
}
.hero__cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.hero__points {
  margin-top: 2.6rem; padding-top: 1.6rem;
  border-top: 1px solid var(--border);
  display: grid; gap: 0.7rem; max-width: 34rem;
}
.hero__points li { position: relative; padding-left: 1.3rem; font-size: 0.95rem; color: var(--text-dim); }
.hero__points li::before {
  content: ""; position: absolute; left: 0; top: 0.5em; width: 7px; height: 7px;
  border-radius: 50%; background: var(--grad);
  box-shadow: 0 0 10px 1px rgba(137, 92, 246, 0.55);
}
.hero__points strong { color: var(--text); font-weight: 600; }

.hero__visual { position: relative; }
.hero__face {
  width: 100%; height: auto;
  margin-top: -4%;
  user-select: none; -webkit-user-drag: none;
}
.hero__visual .chat {
  width: min(380px, 94%);
  margin-top: -42%;
  position: relative; z-index: 1;
}

/* ---------- Section scaffolding ---------- */
.section { position: relative; padding: clamp(4.5rem, 11vh, 8rem) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__head { max-width: 720px; margin: 0 auto clamp(2.5rem, 6vh, 4rem); text-align: center; }
.section__title { font-size: var(--fs-h2); margin-bottom: 1.2rem; }
.section__lede { font-size: var(--fs-lede); color: var(--text-muted); line-height: 1.55; }

/* ---------- Feature split ---------- */
.feature-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.feature-split__copy h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 1.1rem; }
.feature-split__copy p { color: var(--text-muted); font-size: 1.08rem; margin-bottom: 1.6rem; }
.ticklist { display: grid; gap: 0.85rem; }
.ticklist li, .product__features li { position: relative; padding-left: 2rem; color: var(--text); font-weight: 500; }
.ticklist li::before, .product__features li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px;
  border-radius: 6px; background: var(--grad-soft); border: 1px solid var(--border-strong);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23895cf6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 13px;
}

/* Chat card (hero live demo) */
.chat {
  width: 100%; max-width: 420px; background: linear-gradient(180deg, rgba(12,13,24,.92), rgba(9,10,18,.88));
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.35rem;
  box-shadow: var(--shadow); backdrop-filter: blur(6px); position: relative;
}
.chat::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0.35;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.chat__head { display: flex; align-items: center; gap: 0.8rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--border); margin-bottom: 1.1rem; }
.chat__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--grad); flex-shrink: 0; box-shadow: 0 0 0 3px rgba(255,255,255,.05); position: relative; }
.chat__avatar::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid rgba(137, 92, 246, 0.55);
  animation: breathe 3.8s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.65; }
  50% { transform: scale(1.16); opacity: 0.12; }
}
.chat__meta { display: flex; flex-direction: column; line-height: 1.3; }
.chat__meta strong { font-size: 0.98rem; }
.chat__meta em { font-style: normal; font-size: 0.8rem; color: #6fe0a8; }
.chat__body { display: flex; flex-direction: column; gap: 0.7rem; min-height: 7.2rem; justify-content: flex-end; }
.bubble { max-width: 84%; padding: 0.7rem 1rem; border-radius: 16px; font-size: 0.95rem; line-height: 1.45; }
.chat__body .bubble { animation: bubblein 0.35s var(--ease); }
@keyframes bubblein { from { opacity: 0; transform: translateY(6px); } }
.bubble--in { align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.bubble--out { align-self: flex-end; background: var(--grad); color: #12101a; font-weight: 500; border-bottom-right-radius: 5px; }
.chat__typing { display: inline-flex; gap: 5px; align-items: center; min-height: 2.4rem; }
.chat__typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-dim); animation: blink 1.4s var(--ease) infinite; }
.chat__typing i:nth-child(2) { animation-delay: 0.2s; }
.chat__typing i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

/* Memory panel (platform section) */
.memory {
  width: 100%; max-width: 430px;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.35rem;
  box-shadow: var(--shadow); position: relative;
}
.memory::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0.3;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.memory__head { display: flex; align-items: center; gap: 0.8rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.memory__avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--grad); flex-shrink: 0; box-shadow: 0 0 0 3px rgba(255,255,255,.05); }
.memory__head strong { display: block; font-size: 0.95rem; line-height: 1.3; }
.memory__head em { font-style: normal; font-size: 0.78rem; color: var(--text-dim); }
.memory__list li {
  display: flex; gap: 0.9rem; align-items: baseline;
  padding: 0.78rem 0.2rem; border-bottom: 1px solid var(--border);
  font-size: 0.92rem; color: var(--text-muted);
}
.memory__list li:last-child { border-bottom: 0; padding-bottom: 0.2rem; }
.memory__list em {
  font-style: normal; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--text-dim); flex: 0 0 2.7rem;
}
.memory__now {
  margin-top: 0.55rem; border: 1px solid var(--border-strong); border-radius: 12px;
  background: var(--grad-soft); padding: 0.78rem 0.8rem;
}
.memory__list .memory__now { border-bottom: 1px solid var(--border-strong); }
.memory__now span { color: var(--text); font-weight: 500; }

/* ---------- Capability cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.card {
  position: relative; padding: 1.9rem 1.7rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: radial-gradient(140% 120% at 0% 0%, rgba(137,92,246,.5), transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.35s var(--ease); pointer-events: none;
}
.card:hover { transform: translateY(-4px); background: var(--surface-2); border-color: transparent; }
.card:hover::after { opacity: 1; }
.card__icon {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 13px;
  background: var(--grad-soft); border: 1px solid var(--border-strong);
  color: var(--c2); margin-bottom: 1.3rem;
}
.card h3 { font-size: var(--fs-h3); margin-bottom: 0.6rem; }
.card p { color: var(--text-muted); font-size: 0.98rem; }

/* ---------- Modalities ---------- */
.modalities { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.modality {
  text-align: center; padding: 2.2rem 1.5rem; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}
.modality:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.modality__icon {
  display: grid; place-items: center; width: 60px; height: 60px; margin: 0 auto 1.2rem;
  border-radius: 50%; background: var(--grad-soft); border: 1px solid var(--border-strong); color: var(--c3);
}
.modality h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.modality p { color: var(--text-muted); font-size: 0.94rem; }

/* ---------- Use cases (bento) ---------- */
.usecases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.usecase {
  position: relative; padding: 1.9rem 1.7rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.usecase:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.usecase h3 { font-size: var(--fs-h3); margin-bottom: 0.6rem; }
.usecase h3::before {
  content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--grad); margin-right: 10px; vertical-align: middle;
  box-shadow: 0 0 10px 1px rgba(137,92,246,.6);
}
.usecase p { color: var(--text-muted); font-size: 0.98rem; }

/* ---------- Products ---------- */
.product {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; position: relative; overflow: hidden;
  padding: clamp(1.75rem, 4vw, 3.25rem);
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background: radial-gradient(130% 130% at 100% 0%, rgba(137,92,246,.13), transparent 55%), var(--surface);
}
.product__head { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1rem; flex-wrap: wrap; }
.product__name {
  font-family: var(--font-display); font-style: italic; font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.015em;
  padding-right: 0.08em; /* keep the italic terminal inside the clipped gradient */
}
.pill {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  padding: 0.32rem 0.75rem; border-radius: 999px; color: var(--text);
  background: var(--grad-soft); border: 1px solid var(--border-strong);
}
.product__tag { font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 600; letter-spacing: -0.02em; margin-bottom: 0.9rem; }
.product__desc { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 1.5rem; max-width: 46ch; }
.product__features { display: grid; gap: 0.7rem; margin-bottom: 1.9rem; }
.product__cta { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.product__note { color: var(--text-dim); font-size: 0.92rem; }
.product__more { text-align: center; color: var(--text-dim); margin-top: 2.2rem; font-size: 0.98rem; }

.product__media { display: grid; place-items: center; }
.phone {
  position: relative; width: 264px; max-width: 100%; aspect-ratio: 10 / 20;
  background: #0b0c15; border: 1px solid var(--border-strong); border-radius: 36px;
  padding: 11px; box-shadow: var(--shadow);
}
.phone::before {
  content: ""; position: absolute; inset: -30px; z-index: -1; filter: blur(24px);
  background: radial-gradient(circle at 50% 25%, rgba(137,92,246,.35), transparent 62%);
}
.phone__screen {
  height: 100%; border-radius: 26px; overflow: hidden;
  background: linear-gradient(180deg, #12121d, #0a0a12);
  display: flex; flex-direction: column;
}
.phone__topbar { display: flex; align-items: center; gap: 0.6rem; padding: 0.85rem 0.85rem 0.7rem; border-bottom: 1px solid var(--border); }
.phone__avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--grad); flex: none; }
.phone__who { display: flex; flex-direction: column; line-height: 1.2; margin-right: auto; }
.phone__who strong { font-size: 0.9rem; }
.phone__who em { font-style: normal; font-size: 0.72rem; color: #6fe0a8; }
.phone__icons { display: flex; gap: 0.55rem; color: var(--text-muted); }
.phone__photo {
  position: relative; margin: 0.7rem; height: 120px; border-radius: 14px;
  background: linear-gradient(135deg, var(--c1), var(--c2) 55%, var(--c3));
}
.phone__photo::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(70% 70% at 50% 35%, transparent, rgba(0,0,0,.4)); }
.phone__msgs { display: flex; flex-direction: column; justify-content: flex-end; gap: 0.5rem; padding: 0 0.7rem 0.8rem; flex: 1; }
.phone .bubble { font-size: 0.8rem; max-width: 88%; padding: 0.5rem 0.75rem; border-radius: 13px; }

.bubble--voice { display: flex; align-items: center; gap: 0.55rem; }
.voice__play {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  background: var(--grad-soft); border: 1px solid var(--border-strong); position: relative;
}
.voice__play::after {
  content: ""; position: absolute; left: 9px; top: 7px;
  border-left: 7px solid var(--text); border-top: 4.5px solid transparent; border-bottom: 4.5px solid transparent;
}
.voice__bars { display: flex; align-items: center; gap: 2px; }
.voice__bars i { width: 2px; height: 8px; border-radius: 1px; background: var(--text-muted); }
.voice__bars i:nth-child(2n) { height: 13px; }
.voice__bars i:nth-child(3n) { height: 16px; }
.voice__bars i:nth-child(5n) { height: 6px; }
.voice__len { font-size: 0.68rem; color: var(--text-dim); }

.phone__composer {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 0.7rem 0.75rem; border-top: 1px solid var(--border);
}
.phone__input {
  flex: 1; padding: 0.48rem 0.8rem; font-size: 0.78rem; color: var(--text-dim);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px;
}
.phone__mic {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  background: var(--grad); color: #0a0a0f; display: grid; place-items: center;
}

/* ---------- Vision ---------- */
.vision { overflow: hidden; text-align: center; }
.vision__aura {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 80vw; max-width: 900px; height: 500px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(137,92,246,.16), transparent 68%);
  filter: blur(30px);
}
.vision__inner { position: relative; z-index: 1; max-width: 860px; margin-inline: auto; }
.vision__quote {
  font-size: clamp(1.6rem, 3.6vw, 2.7rem);
  line-height: 1.24; margin-bottom: 1.6rem;
}
.vision__quote em { font-style: italic; }
.vision__body { font-size: var(--fs-lede); color: var(--text-muted); max-width: 620px; margin-inline: auto; }

/* ---------- CTA ---------- */
.cta__panel {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(2.75rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background:
    radial-gradient(120% 140% at 50% -20%, rgba(137,92,246,.14), transparent 60%),
    var(--surface);
}
.cta__panel::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0.4;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.cta__title { font-size: clamp(1.7rem, 3.6vw, 2.7rem); margin-bottom: 1rem; max-width: 640px; margin-inline: auto; }
.cta__lede { font-size: var(--fs-lede); color: var(--text-muted); max-width: 520px; margin: 0 auto 2.2rem; }

.waitlist { display: flex; gap: 0.7rem; max-width: 500px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.waitlist__input {
  flex: 1 1 260px; min-width: 0; padding: 0.95rem 1.3rem; font-size: 1rem;
  color: var(--text); background: rgba(0, 0, 0, 0.35); border: 1px solid var(--border-strong);
  border-radius: 999px; transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  font-family: var(--font);
}
.waitlist__input::placeholder { color: var(--text-dim); }
.waitlist__input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(137, 92, 246, 0.18); }
.waitlist__input.is-invalid { border-color: #ff6b6b; box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.15); }
.waitlist__note { margin-top: 1.1rem; font-size: 0.92rem; color: var(--text-muted); min-height: 1.3em; }
.waitlist__note.is-success { color: #6fe0a8; font-weight: 500; }
.waitlist__note.is-error { color: #ff8a8a; }
.waitlist__legal { margin-top: 0.45rem; font-size: 0.86rem; color: var(--text-dim); }
.waitlist__legal a { color: var(--text-muted); text-decoration: underline; text-underline-offset: 3px; transition: color 0.2s var(--ease); }
.waitlist__legal a:hover { color: var(--text); }
.waitlist__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: clamp(3rem, 7vh, 5rem) 0 2.5rem; }
.footer__top { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.1fr; gap: 2.5rem; }
.footer__brand .brand { margin-bottom: 1rem; }
.footer__tag { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; margin-bottom: 0.7rem; }
.footer__blurb { color: var(--text-dim); font-size: 0.94rem; max-width: 300px; }
.footer__org { color: var(--text-dim); font-size: 0.86rem; margin-top: 1rem; }
.footer__col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 1.1rem; }
.footer__col a { display: block; color: var(--text-dim); font-size: 0.96rem; padding: 0.32rem 0; transition: color 0.2s var(--ease); }
.footer__col a:hover { color: var(--text); }

.footer__bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem;
  margin-top: 3rem; padding-top: 1.8rem; border-top: 1px solid var(--border);
  color: var(--text-dim); font-size: 0.9rem;
}
.footer__legal { display: flex; gap: 1.4rem; }
.footer__legal a { transition: color 0.2s var(--ease); }
.footer__legal a:hover { color: var(--text); }
.footer--min .footer__bottom { margin-top: 0; padding-top: 0; border-top: 0; }

/* ---------- Inner pages (privacy) ---------- */
.page { padding: clamp(3rem, 8vh, 5rem) 0 clamp(4rem, 10vh, 6rem); }
.prose { max-width: 720px; margin-inline: auto; }
.prose h1 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); margin-bottom: 0.6rem; }
.prose .prose__updated { color: var(--text-dim); font-size: 0.92rem; margin-bottom: 2.6rem; }
.prose h2 { font-size: 1.45rem; margin: 2.4rem 0 0.8rem; }
.prose p, .prose li { color: var(--text-muted); }
.prose p { margin-bottom: 1rem; }
.prose ul { list-style: disc; padding-left: 1.4rem; margin-bottom: 1rem; display: grid; gap: 0.45rem; }
.prose a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--c3); }

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav__links, .nav__cta-desktop { display: none; }
  .nav__toggle { display: flex; }
  .hero__inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero__visual { max-width: 500px; margin-inline: auto; width: 100%; }
  .hero__lede, .hero__points { max-width: 40rem; }
  .feature-split { grid-template-columns: 1fr; }
  .feature-split__visual { order: -1; }
  .memory { margin-inline: auto; }
  .product { grid-template-columns: 1fr; }
  .cards, .usecases { grid-template-columns: repeat(2, 1fr); }
  .modalities { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .cards, .usecases, .modalities { grid-template-columns: 1fr; }
  .btn--lg { width: 100%; }
  .hero__cta { flex-direction: column; }
  .hero__visual .chat { margin-top: -34%; }
  .footer__top { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .orb, .chat__avatar::after { animation: none; }
}