/* ============================================================
   components.css — Enterprise AI-Native Dark Components
   GPU-depth, luminous accents, neural-grid backgrounds,
   glass morphism cards. The aesthetic of owned models.
   ============================================================ */

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

/* Sections separate by whitespace + tone */
.section { padding-block: clamp(var(--space-20), 10vw, var(--space-24)); border: 0; }
.section--tight { padding-block: var(--space-12); }
.section--alt { background: var(--color-background); }
.section--panel { background: var(--color-background); }
.section--ink {
  background: var(--color-background);
  color: var(--color-text-on-ink);
}
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--color-text); }
.section--ink p { color: var(--color-text-muted); }
.section--glow {
  position: relative;
  background: var(--color-background);
}
.section--glow::before {
  display: none;
}

.section__head { max-width: 720px; margin-bottom: var(--space-12); }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .eyebrow::after { margin-inline: auto; }

/* ---------- Kicker / eyebrow ---------- */
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-5);
}
.eyebrow::after {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  background: var(--color-line-strong);
  margin-top: var(--space-3);
}
.section--ink .eyebrow { color: var(--color-primary); }

.lede {
  font-family: var(--font-serif-text);
  font-size: var(--fs-deck);
  line-height: 1.45;
  color: var(--color-text-muted);
  margin-top: var(--space-5);
  max-width: 60ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: none;
  border-color: rgba(26, 64, 196, 0.4);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
  box-shadow: none;
}
.btn--secondary {
  background: rgba(0, 0, 0, 0.03);
  color: var(--color-text);
  border-color: var(--color-line-strong);
  box-shadow: none;
}
.btn--secondary:hover {
  border-color: var(--color-text-subtle);
  color: var(--color-text);
  box-shadow: none;
  background: rgba(0, 0, 0, 0.06);
}
.btn--accent { background: var(--color-accent); color: #ffffff; }
.btn--accent:hover { background: var(--color-accent-hover); color: #ffffff; }
.btn--text {
  padding-inline: 0; background: none; color: var(--color-accent-ink);
  border-radius: 0; font-weight: var(--fw-semibold);
}
.btn--text:hover { color: var(--color-accent-hover); border-color: transparent; transform: none; }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: 1rem; }
.btn--block { width: 100%; }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: 0.5; pointer-events: none; }
.btn__icon { width: 18px; height: 18px; }
.btn.is-loading { color: transparent; position: relative; pointer-events: none; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 16px; height: 16px;
  border: 2px solid var(--color-on-primary); border-top-color: transparent;
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; border-radius: var(--radius-md);
  border: 1px solid var(--color-line); color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.icon-btn:hover { border-color: var(--color-text-subtle); background: var(--color-surface-2); }

/* ---------- Announcement bar ---------- */
.banner {
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-regular);
  text-align: center;
  position: relative;
  z-index: var(--z-banner);
  border-bottom: 1px solid var(--color-line);
}
.banner__inner {
  display: flex; align-items: center; justify-content: center; gap: var(--space-3);
  padding: var(--space-2) var(--gutter); min-height: 40px;
}
.banner a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.banner__tag {
  background: var(--color-primary); color: var(--color-on-primary); border-radius: var(--radius-sm);
  padding: 2px var(--space-2); font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.14em; font-weight: var(--fw-semibold);
}
@media (max-width: 767px) { .banner { display: none; } }

/* ---------- Navigation (clean white nav) ---------- */
.nav {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--color-line);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-6); min-height: 72px;
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display); font-size: 1.35rem; font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-tight); color: var(--color-text);
}
.brand__mark { width: auto; height: 28px; flex: none; }
.nav__menu { display: flex; align-items: center; gap: var(--space-8); list-style: none; padding: 0; margin: 0; }
.nav__link {
  font-family: var(--font-sans); font-size: var(--fs-caption); font-weight: var(--fw-medium);
  letter-spacing: 0.02em; color: var(--color-text-subtle);
}
.nav__link:hover,
.nav__link[aria-current="page"] { color: var(--color-text); }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
.nav__burger { display: none; }

@media (max-width: 1023px) {
  .nav__menu,
  .nav__actions .btn { display: none; }
  .nav__burger { display: inline-grid; place-items: center; width: 44px; height: 44px; }
}

/* Mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  background: var(--color-background);
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease);
  display: flex; flex-direction: column; padding: var(--space-6) var(--gutter);
  visibility: hidden;
}
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-10); }
.drawer__menu { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.drawer__link {
  display: block; font-family: var(--font-display); font-size: 1.85rem; font-weight: var(--fw-book);
  color: var(--color-text); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-line);
}
.drawer__actions { margin-top: auto; display: grid; gap: var(--space-3); padding-top: var(--space-8); }

/* ---------- Hero (AI-native dark with glow) ---------- */
.hero {
  position: relative; overflow: hidden; background: var(--color-background);
}
.hero::before {
  display: none;
}
.hero::after {
  display: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero__grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-16);
  align-items: center; padding-block: clamp(var(--space-20), 11vw, var(--space-24));
}
@media (min-width: 1024px) { .hero__grid { grid-template-columns: 1.15fr 0.85fr; } }
.section--tight + .hero .hero__grid { padding-top: var(--space-6); }
.hero__panel {
  position: relative; min-height: 360px; border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  overflow: hidden; display: grid; place-items: center; order: 2;
}
@media (min-width: 1024px) { .hero__panel { order: 2; } }
.hero h1 { margin-bottom: var(--space-6); }
.hero__sub {
  font-family: var(--font-serif-text);
  font-size: var(--fs-lead); color: var(--color-text-muted);
  margin-bottom: var(--space-8); max-width: 52ch;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: var(--space-8); margin-top: var(--space-12);
  color: var(--color-text-subtle); font-size: var(--fs-caption);
  font-family: var(--font-mono);
}

/* ---------- Logo marquee ---------- */
.marquee { overflow: hidden; padding-block: var(--space-10); border: 0; }
.marquee__label {
  text-align: center; color: var(--color-text-subtle); font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-eyebrow); text-transform: uppercase;
  margin-bottom: var(--space-8); font-family: var(--font-mono); font-weight: var(--fw-medium);
}
.marquee__track { display: flex; gap: var(--space-16); width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: var(--fw-semibold);
  letter-spacing: -0.01em; color: var(--color-text-faint); white-space: nowrap;
  transition: color var(--dur) var(--ease);
}
.marquee:hover .marquee__item { color: var(--color-text-subtle); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Cards & grids (glass morphism on dark) ---------- */
.grid { display: grid; gap: var(--space-8); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.card:hover {
  border-color: var(--color-line-strong);
  transform: translateY(-4px);
  background: var(--color-surface);
}
.card--link:hover { background: var(--color-surface); }
.card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: grid; place-items: center;
  background: var(--color-accent-wash);
  border: 1px solid rgba(90, 76, 204, 0.15);
  color: var(--color-accent); font-size: 1.4rem; margin-bottom: var(--space-3);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card__title { font-size: var(--fs-h4); font-family: var(--font-display); font-weight: var(--fw-medium); color: var(--color-text); }
.card__meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--color-cyan); text-transform: uppercase; letter-spacing: 0.14em; font-weight: var(--fw-medium); }
.card__cta { margin-top: auto; padding-top: var(--space-4); }

/* Feature row */
.feature { display: grid; gap: var(--space-3); }
.feature__num { font-family: var(--font-display); color: var(--color-accent); font-size: var(--fs-h4); }

/* Stat — glowing card on dark */
.stat {
  border-top: none; padding: var(--space-6);
  background: #ffffff; border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
}
.stat__value {
  font-family: var(--font-display); font-weight: var(--fw-book);
  font-size: clamp(2.5rem, 1.8rem + 3vw, 3.5rem); color: var(--color-text); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__value [data-count] {
  color: var(--color-primary);
}
.stat__label { color: var(--color-text-subtle); font-size: var(--fs-caption); margin-top: var(--space-3); font-family: var(--font-mono); }

/* Step / how-it-works */
.steps { counter-reset: step; display: grid; gap: var(--space-8); }
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-6); align-items: start; padding-top: var(--space-5); border-top: 1px solid var(--color-line); }
.step__num {
  counter-increment: step; font-family: var(--font-mono); color: var(--color-primary);
  font-size: var(--fs-h3); line-height: 1; font-variant-numeric: tabular-nums;
}
.step__num::before { content: counter(step, decimal-leading-zero); }

/* ---------- Pull quote / testimonial ---------- */
.quote { padding-left: var(--space-8); position: relative; }
.quote::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px; background: var(--color-accent); border-radius: 1px; }
.quote__text {
  font-family: var(--font-display); font-style: italic; font-weight: var(--fw-regular);
  font-size: var(--fs-quote); color: var(--color-text); line-height: 1.25; letter-spacing: -0.01em;
}
.quote__cite { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-6); }
.avatar {
  width: 42px; height: 42px; border-radius: 50%; background: var(--color-surface-2);
  display: grid; place-items: center; font-family: var(--font-display); color: var(--color-accent); flex: none;
  box-shadow: inset 0 0 0 1px var(--color-line);
}
.quote__name { color: var(--color-text); font-size: 0.95rem; font-weight: var(--fw-medium); font-family: var(--font-sans); }
.quote__role { color: var(--color-text-subtle); font-size: var(--fs-caption); }

/* ---------- Pricing ---------- */
.price-grid { display: grid; gap: var(--space-8); grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.price {
  border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4); background: #ffffff;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.price:hover { transform: translateY(-4px); border-color: var(--color-line-strong); }
.price--featured {
  position: relative;
  border-color: var(--color-primary);
}
.price--featured::before {
  content: "Most popular"; position: absolute; top: 0; right: var(--space-6); z-index: 2;
  transform: translateY(-50%); font-family: var(--font-mono); font-size: 0.64rem;
  font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.1em;
  line-height: 1.4; color: var(--color-on-primary); background: var(--color-primary);
  padding: 5px 12px; border-radius: var(--radius-pill);
}
.price--featured::after { display: none; }
.price__tier { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.7rem; color: var(--color-primary); font-weight: var(--fw-semibold); }
.price__amount { font-family: var(--font-display); font-weight: var(--fw-book); font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem); line-height: 1; color: var(--color-text); font-variant-numeric: tabular-nums; }
.price__amount span { font-family: var(--font-sans); font-size: 0.9rem; color: var(--color-text-subtle); }
.price__list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
.price__list li { display: flex; gap: var(--space-2); color: var(--color-text-muted); font-size: 0.95rem; }
.price__list li::before { content: "—"; color: var(--color-primary); }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-line); border-radius: var(--radius-lg); }
.table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 560px; }
.table th, .table td { text-align: left; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-line); }
.table th { font-family: var(--font-sans); color: var(--color-text); font-weight: var(--fw-semibold); background: var(--color-surface-2); }
.table td { color: var(--color-text-muted); }
.table tr:last-child td { border-bottom: none; }

/* ---------- Accordion / FAQ ---------- */
.accordion { display: grid; gap: 0; border-top: 1px solid var(--color-line); }
.accordion__item { border-bottom: 1px solid var(--color-line); }
.accordion__trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-6) 0; text-align: left; font-family: var(--font-display); font-weight: var(--fw-medium); font-size: 1.25rem; color: var(--color-text);
}
.accordion__icon { width: 22px; height: 22px; flex: none; position: relative; transition: transform var(--dur) var(--ease); }
.accordion__icon::before, .accordion__icon::after { content: ""; position: absolute; background: var(--color-accent); top: 50%; left: 50%; transform: translate(-50%, -50%); }
.accordion__icon::before { width: 14px; height: 1px; }
.accordion__icon::after { width: 1px; height: 14px; transition: transform var(--dur) var(--ease); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) scaleY(0); }
.accordion__panel { overflow: hidden; max-height: 0; transition: max-height var(--dur) var(--ease); }
.accordion__panel-inner { padding-bottom: var(--space-6); color: var(--color-text-muted); max-width: 70ch; }

/* ---------- Tabs ---------- */
.tabs__list { display: flex; flex-wrap: wrap; gap: var(--space-4); border-bottom: 1px solid var(--color-line); margin-bottom: var(--space-8); }
.tabs__tab { padding: var(--space-3) 0; color: var(--color-text-subtle); font-family: var(--font-sans); font-weight: var(--fw-medium); border-bottom: 1px solid transparent; }
.tabs__tab[aria-selected="true"] { color: var(--color-text); border-color: var(--color-primary); }
.tabs__panel[hidden] { display: none; }

/* ---------- Forms (dark inputs) ---------- */
.field { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
.label { font-family: var(--font-sans); font-size: 0.9rem; font-weight: var(--fw-medium); color: var(--color-text); }
.input, .textarea, .select {
  width: 100%; padding: var(--space-3) var(--space-4); background: var(--color-surface);
  border: 1px solid var(--color-line-strong); border-radius: var(--radius-md); color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--color-text-faint); }
.input:focus, .textarea:focus, .select:focus { border-color: var(--color-accent); outline: none; box-shadow: 0 0 0 3px rgba(124, 106, 255, 0.1); }
.textarea { min-height: 140px; resize: vertical; }
.field--error .input, .field--error .textarea { border-color: var(--color-error); }
.field__error { color: var(--color-error); font-size: var(--fs-caption); display: none; }
.field--error .field__error { display: block; }
.checkbox, .radio { display: flex; align-items: flex-start; gap: var(--space-3); color: var(--color-text-muted); font-size: 0.95rem; }
.checkbox input, .radio input { width: 18px; height: 18px; accent-color: var(--color-primary); margin-top: 3px; }
.switch { position: relative; width: 44px; height: 24px; flex: none; }
.switch input { position: absolute; opacity: 0; }
.switch__track { position: absolute; inset: 0; background: var(--color-panel); border-radius: var(--radius-pill); transition: background var(--dur-fast) var(--ease); }
.switch__track::after { content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%; background: var(--color-text); top: 3px; left: 3px; transition: transform var(--dur-fast) var(--ease); box-shadow: var(--shadow-sm); }
.switch input:checked + .switch__track { background: var(--color-primary); }
.switch input:checked + .switch__track::after { transform: translateX(20px); }

/* ---------- Feedback: alert / toast / tooltip / modal ---------- */
.alert { display: flex; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-radius: var(--radius-md); border: 1px solid var(--color-line); background: var(--color-surface); font-size: 0.95rem; color: var(--color-text-muted); }
.alert--success { border-color: var(--color-success); }
.alert--warning { border-color: var(--color-warning); }
.alert--error { border-color: var(--color-error); }
.alert--info { border-color: var(--color-accent); }

.toast-region { position: fixed; bottom: var(--space-6); right: var(--space-6); display: grid; gap: var(--space-3); z-index: var(--z-toast); }
.toast { background: var(--color-surface-2); color: var(--color-text); border-radius: var(--radius-md); padding: var(--space-4) var(--space-5); border: 1px solid var(--color-line); animation: toast-in var(--dur) var(--ease); }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } }

.tooltip { position: relative; }
.tooltip__bubble { position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: var(--color-surface-2); color: var(--color-text); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); font-size: var(--fs-caption); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--dur-fast) var(--ease); border: 1px solid var(--color-line); }
.tooltip:hover .tooltip__bubble, .tooltip:focus-within .tooltip__bubble { opacity: 1; }

.modal { position: fixed; inset: 0; z-index: var(--z-modal); display: grid; place-items: center; padding: var(--gutter); background: rgba(0, 0, 0, 0.45); backdrop-filter: blur(6px); opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease); }
.modal.is-open { opacity: 1; visibility: visible; }
.modal__dialog { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-10); max-width: 480px; width: 100%; border: 1px solid var(--color-line); }

/* ---------- Tag / pill / badge ---------- */
.tag {
  display: inline-flex; align-items: center; gap: var(--space-1);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: var(--fw-medium);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.04); border: 1px solid var(--color-line-strong);
  color: var(--color-text-subtle);
}
.tag--accent { background: rgba(124, 106, 255, 0.08); color: var(--color-accent-ink); border-color: rgba(124, 106, 255, 0.2); }
.tag--green { background: rgba(26, 64, 196, 0.08); color: var(--color-primary); border-color: rgba(26, 64, 196, 0.2); }

/* ---------- Breadcrumbs ---------- */
.crumbs { display: flex; flex-wrap: wrap; gap: var(--space-2); font-size: var(--fs-caption); color: var(--color-text-subtle); list-style: none; padding: 0; margin: 0 0 var(--space-8); font-family: var(--font-mono); }
.crumbs li::after { content: "/"; margin-left: var(--space-2); color: var(--color-text-faint); }
.crumbs li:last-child::after { content: ""; }
.crumbs a:hover { color: var(--color-text); }

/* ---------- CTA block (gradient glow on dark) ---------- */
.cta-block {
  text-align: center; border-radius: var(--radius-lg);
  padding: clamp(var(--space-16), 7vw, var(--space-24));
  background: var(--color-surface); position: relative; overflow: hidden;
  border: 1px solid var(--color-line);
}
.cta-block::before { display: none; }
.cta-block::after { display: none; }
.cta-block > * { position: relative; z-index: 1; }
.cta-block .eyebrow { color: var(--color-primary); }
.cta-block h2 { margin-bottom: var(--space-5); color: var(--color-text); }
.cta-block .lede { color: var(--color-text-muted); }
.cta-block .btn--secondary { color: var(--color-text); border-color: var(--color-line-strong); }
.cta-block .btn--secondary:hover { border-color: var(--color-text-subtle); }
.cta-block .hero__cta { justify-content: center; margin-top: var(--space-8); }

/* ---------- Footer ---------- */
.footer { padding-block: var(--space-20) var(--space-10); background: var(--color-background); border-top: 1px solid var(--color-line); }
.footer__grid {
  display: grid;
  gap: var(--space-12) var(--space-8);
  grid-template-columns: 1.6fr repeat(4, minmax(0, 1fr));
  align-items: start;
}
@media (max-width: 1023px) {
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
.footer__brand { max-width: 300px; }
.footer__brand p { font-size: var(--fs-caption); margin-top: var(--space-4); color: var(--color-text-subtle); }
.footer__col h3 { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; font-weight: var(--fw-medium); color: var(--color-text-subtle); margin-bottom: var(--space-5); }
.footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
.footer__col a { color: var(--color-text-muted); font-size: 0.95rem; }
.footer__col a:hover { color: var(--color-text); }
.footer__bottom { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; margin-top: var(--space-16); padding-top: var(--space-6); border-top: 1px solid var(--color-line); color: var(--color-text-subtle); font-size: var(--fs-caption); }

/* ---------- Prose (blog/legal) ---------- */
.prose { max-width: 68ch; font-family: var(--font-serif-text); font-size: var(--fs-body-lg); }
.prose > * + * { margin-top: var(--space-6); }
.prose h2 { margin-top: var(--space-16); font-family: var(--font-display); }
.prose h3 { margin-top: var(--space-10); font-family: var(--font-display); }
.prose ul, .prose ol { display: grid; gap: var(--space-2); }
.prose a { color: var(--color-accent-ink); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---- Mock gallery tile ---- */
.mock-tile { aspect-ratio: 4 / 3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-3); background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg); }
.mock-tile__glyph { font-size: 2.5rem; color: var(--color-accent); }

/* ---- Product logo marks (from products_raw) ---- */
.card__logo {
  width: 52px; height: 52px; padding: 0;
  background: transparent;
  border-radius: var(--radius-md);
  object-fit: cover;
  margin-bottom: var(--space-3);
  transition: transform var(--dur) var(--ease);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
.card:hover .card__logo { transform: scale(1.06); }
.hero__logo {
  width: clamp(140px, 22vw, 200px);
  height: auto;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  object-fit: cover;
  background: transparent;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
}

/* ============================================================
   Polish — nav elevation, scroll progress, staggered reveals,
   micro-interactions.
   ============================================================ */

/* ---- Nav: elevate on scroll ---- */
.nav {
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--color-line-strong);
}
.nav.is-scrolled .nav__inner { min-height: 60px; }
.nav__inner { transition: min-height var(--dur) var(--ease); }

/* ---- Reading / scroll progress indicator ---- */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: var(--color-primary);
  z-index: calc(var(--z-nav) + 1);
  pointer-events: none;
  will-change: transform;
}

/* ---- Staggered reveals ---- */
.reveal { transition-delay: calc(var(--reveal-i, 0) * 70ms); }
.reveal.is-visible { transition-delay: calc(var(--reveal-i, 0) * 70ms); }

/* ---- Card CTA: nudge the arrow on hover ---- */
.card__cta { transition: color var(--dur-fast) var(--ease); }
.card__cta .arrow,
.card__cta::after { display: inline-block; transition: transform var(--dur) var(--ease); }
.card:hover .card__cta { color: var(--color-accent-hover); }
.card:hover .card__cta .arrow { transform: translateX(4px); }

/* ---- Primary button: sheen sweep removed ---- */
.btn--primary::after { display: none; }

/* ---- Nav links: dot marks the active page ---- */
.nav__link { position: relative; }
.nav__link[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: -7px;
  width: 4px; height: 4px; margin-left: -2px;
  border-radius: 50%; background: var(--color-primary);
}

/* ---- Back-to-top affordance ---- */
.to-top {
  position: fixed; right: clamp(16px, 3vw, 32px); bottom: clamp(16px, 3vw, 32px);
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2); color: var(--color-text);
  border: 1px solid var(--color-line);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  z-index: var(--z-nav);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--color-primary); transform: translateY(-2px); }

@media (prefers-reduced-motion: reduce) {
  .scroll-progress { display: none; }
  .btn--primary::after { display: none; }
}

/* ============================================================
   Icon system
   ============================================================ */
.icon {
  width: 1em; height: 1em; flex: none;
  display: inline-block; vertical-align: -0.125em;
  stroke: currentColor; fill: none;
}

.card__icon .icon { width: 26px; height: 26px; color: var(--color-accent); }
.card:hover .card__icon { background: var(--color-accent); border-color: var(--color-accent); }
.card:hover .card__icon .icon { color: #ffffff; }
.card:hover .card__icon { color: #ffffff; }

.hero__glyph .icon {
  width: clamp(56px, 9vw, 84px);
  height: clamp(56px, 9vw, 84px);
  color: var(--color-accent);
  stroke-width: 1.2;
}

.alert .icon { width: 20px; height: 20px; flex: none; margin-top: 2px; }
.alert--info .icon { color: var(--color-accent); }
.alert--success .icon { color: var(--color-success); }
.alert--warning .icon { color: var(--color-warning); }
.alert--error .icon { color: var(--color-error); }

.eyebrow .icon { width: 14px; height: 14px; }

/* ============================================================
   Full-width mega-menu dropdowns (dark)
   ============================================================ */
.nav { position: relative; }
.nav__nav, .nav__menu, .nav__item, .nav__item--mega { position: static; }
.nav__item { display: flex; align-items: center; }
.nav__link--mega { display: inline-flex; align-items: center; gap: 5px; }
.nav__caret { opacity: .55; transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease); }
.nav__item--mega:hover .nav__caret,
.nav__item--mega:focus-within .nav__caret { transform: rotate(180deg); opacity: 1; }

.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
              visibility var(--dur) var(--ease);
  z-index: var(--z-nav);
}
.nav__item--mega:hover .mega,
.nav__item--mega:focus-within .mega { opacity: 1; visibility: visible; transform: none; }

.mega__inner {
  display: grid; grid-template-columns: 0.95fr 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  padding-block: var(--space-12) var(--space-16);
  align-items: start;
}
.mega__lead { max-width: 340px; }
.mega__kicker {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: var(--fw-semibold);
  letter-spacing: -0.02em; color: var(--color-text); max-width: none;
}
.mega__lead-body { font-size: var(--fs-caption); color: var(--color-text-subtle); margin: var(--space-3) 0 var(--space-5); max-width: none; }
.mega__cols { display: contents; }
.mega__heading {
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.14em; font-weight: var(--fw-medium); color: var(--color-text-subtle);
  margin-bottom: var(--space-4);
}
.mega__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.mega__link {
  display: flex; gap: var(--space-3); align-items: flex-start;
  padding: var(--space-3); border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease);
}
.mega__link:hover { background: rgba(0, 0, 0, 0.04); }
.mega__ico {
  width: 38px; height: 38px; flex: none; display: grid; place-items: center;
  border-radius: var(--radius-md); background: var(--color-accent-wash); color: var(--color-accent);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.mega__ico .icon { width: 20px; height: 20px; }
.mega__link:hover .mega__ico { background: var(--color-accent); color: #ffffff; }
.mega__text { display: flex; flex-direction: column; gap: 1px; }
.mega__name { font-family: var(--font-display); font-weight: var(--fw-semibold); color: var(--color-text); font-size: 0.95rem; letter-spacing: -0.01em; }
.mega__desc { font-size: 0.82rem; color: var(--color-text-subtle); line-height: 1.4; }
@media (max-width: 1023px) { .mega { display: none; } }

/* ---- Hero / heading emphasis ---- */
.hero h1 em,
h1 em.serif, h2 em.serif { font-style: normal; color: var(--color-primary); font-weight: inherit; }
.serif { font-family: var(--font-display); font-style: normal; }

/* ---- Interior page hero ---- */
.page-hero { padding-block: clamp(var(--space-4), 2vw, var(--space-8)) var(--space-12); }
.page-hero .lede { max-width: 64ch; }
.page-hero .hero__cta { margin-top: var(--space-8); }
.page-hero .hero__meta { margin-top: var(--space-8); }

/* ============================================================
   Product dashboard mock — dark enterprise UI
   ============================================================ */
.app-mock {
  width: min(560px, 100%);
  margin: clamp(20px, 4vw, 40px);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  overflow: hidden;
  font-family: var(--font-sans);
  text-align: left;
}
.app-mock__bar {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-line);
}
.app-mock__dots { display: flex; gap: 6px; }
.app-mock__dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--color-text-faint); display: block; }
.app-mock__dots i:nth-child(1) { background: #ef6f6c; }
.app-mock__dots i:nth-child(2) { background: #f4c152; }
.app-mock__dots i:nth-child(3) { background: #57a8e0; }
.app-mock__title {
  font-size: 0.78rem; font-weight: var(--fw-semibold); color: var(--color-text-subtle);
  letter-spacing: 0.01em;
}
.app-mock__live {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.68rem; font-weight: var(--fw-semibold); text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-primary);
}
.app-mock__live::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary);
}
@keyframes pulse-dot { to { opacity: 0.6; } }
.app-mock__body { padding: var(--space-5); display: grid; gap: var(--space-4); }
.app-mock__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.app-mock__stat {
  background: var(--color-surface-2); border-radius: var(--radius-md);
  border: 1px solid var(--color-line); padding: var(--space-3) var(--space-4);
}
.app-mock__stat b {
  display: block; font-family: var(--font-display); font-weight: var(--fw-bold);
  font-size: 1.5rem; line-height: 1.1; color: var(--color-text); font-variant-numeric: tabular-nums;
}
.app-mock__stat span { font-size: 0.68rem; color: var(--color-text-subtle); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--font-mono); }
.app-mock__progress { display: grid; gap: var(--space-2); }
.app-mock__progress-row { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--color-text-muted); }
.app-mock__track { height: 8px; border-radius: var(--radius-pill); background: var(--color-panel); overflow: hidden; }
.app-mock__fill { height: 100%; border-radius: var(--radius-pill); background: var(--color-primary); width: 94%; }
.app-mock__list { display: grid; gap: var(--space-2); }
.app-mock__row {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3); border-radius: var(--radius-md);
  background: var(--color-surface-2); border: 1px solid var(--color-line);
  font-size: 0.82rem; color: var(--color-text-muted);
}
.app-mock__row .ico {
  width: 28px; height: 28px; flex: none; border-radius: 8px; display: grid; place-items: center;
  background: rgba(124, 106, 255, 0.08); color: var(--color-accent);
}
.app-mock__row .ico .icon { width: 16px; height: 16px; }
.app-mock__row b { color: var(--color-text); font-weight: var(--fw-semibold); }
.app-mock__row .amount { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--color-primary); font-weight: var(--fw-semibold); }
.app-mock__pill {
  display: inline-flex; align-items: center; gap: 5px; flex: none;
  font-size: 0.66rem; font-weight: var(--fw-semibold); letter-spacing: 0.04em;
  padding: 3px 9px; border-radius: var(--radius-pill);
}
.app-mock__pill--ok { color: var(--color-primary); background: rgba(26, 64, 196, 0.1); }
.app-mock__pill--wait { color: var(--color-warning); background: rgba(245, 158, 11, 0.1); }
.app-mock__pill .icon { width: 12px; height: 12px; }

/* Hero eyebrow — GPU/AI status pill */
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px; width: auto;
  padding: 6px 14px; border-radius: var(--radius-pill);
  background: rgba(26, 64, 196, 0.07);
  border: 1px solid rgba(26, 64, 196, 0.18);
  margin-bottom: var(--space-6); color: var(--color-primary);
  font-family: var(--font-mono);
}
.hero__eyebrow::after { display: none; }
.hero__eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary);
}

/* ============================================================
   AI-native specific components
   ============================================================ */

/* ---- Architecture diagram (code-style) ---- */
.arch-diagram {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  padding: var(--space-8);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  overflow-x: auto;
  line-height: 1.8;
}
.arch-diagram .layer {
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-line-strong);
  margin-left: var(--space-4);
  margin-block: var(--space-2);
}
.arch-diagram .layer--active {
  border-left-color: var(--color-primary);
  background: rgba(26, 64, 196, 0.03);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.arch-diagram .node {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(124, 106, 255, 0.06);
  border: 1px solid rgba(124, 106, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--color-accent-ink);
  font-weight: var(--fw-medium);
}
.arch-diagram .node--gpu {
  background: rgba(26, 64, 196, 0.06);
  border-color: rgba(26, 64, 196, 0.2);
  color: var(--color-primary);
}
.arch-diagram .node--cyan {
  background: rgba(0, 212, 170, 0.06);
  border-color: rgba(0, 212, 170, 0.2);
  color: var(--color-cyan);
}

/* ---- Tech stack badges ---- */
.tech-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: border-color var(--dur) var(--ease);
}
.tech-badge:hover {
  border-color: var(--color-primary);
}
.tech-badge__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-primary);
}

/* ---- GPU utilization bar ---- */
.gpu-bar {
  display: grid; gap: var(--space-2);
}
.gpu-bar__label {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--color-text-subtle);
}
.gpu-bar__track {
  height: 4px; border-radius: var(--radius-pill);
  background: var(--color-panel); overflow: hidden;
}
.gpu-bar__fill {
  height: 100%; border-radius: var(--radius-pill);
  background: var(--color-primary);
  transition: width 1.2s var(--ease);
}

/* ---- Neural network animated background ---- */
.neural-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.neural-bg canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.3;
}