:root {
  --color-bg: #faf8f5;
  --color-card: #f3eee7;
  --color-surface: #fffdf9;
  --color-text: #130f0d;
  --color-muted: #746c65;
  --color-border: rgba(32, 25, 20, 0.14);
  --color-accent: #c8583e;
  --color-accent-dark: #a6402c;
  --color-dark: #070605;
  --color-dark-soft: #17120f;
  --font-sans: "Instrument Sans", "Noto Sans SC", system-ui, sans-serif;
  --font-serif: "Instrument Serif", "Noto Serif SC", Georgia, serif;
  --font-mono: "JetBrains Mono", monospace;
  --container: 1228px;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(28, 18, 12, 0.12);
  --header-height: 80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.5;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding-inline: max(32px, calc((100vw - var(--container)) / 2));
  border-bottom: 1px solid transparent;
  background: rgba(250, 248, 245, 0.94);
  backdrop-filter: blur(18px);
  transition: box-shadow 240ms ease, min-height 240ms ease, border-color 240ms ease;
}
.site-header.is-scrolled {
  min-height: 64px;
  border-color: var(--color-border);
  box-shadow: 0 10px 28px rgba(22, 16, 12, 0.08);
}
.site-header__brand, .footer-brand {
  font-weight: 900;
  letter-spacing: 0;
  color: var(--color-text);
}
.site-header__brand {
  font-size: 18px;
  line-height: 1;
}
.site-header__nav, .site-header__actions { display: flex; align-items: center; gap: 22px; }
.site-header__nav { justify-content: center; font-size: 14px; color: var(--color-muted); }
.site-header__nav a:hover, .link-muted:hover { color: var(--color-text); }
.site-header__actions { font-size: 14px; }
.search-pill {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--color-muted);
}
.search-pill span { margin-left: 10px; color: var(--color-text); font-family: var(--font-mono); }
.menu-toggle { display: none; width: 42px; height: 38px; border: 1px solid var(--color-border); background: var(--color-surface); }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--color-text); }
.mobile-menu { display: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 0;
  font-weight: 700;
  font-size: 13px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button--small { min-height: 36px; padding: 0 14px; }
.button--primary { background: var(--color-accent); color: #fff; }
.button--primary:hover { background: var(--color-accent-dark); }
.button--ghost-light { border-color: rgba(255,255,255,0.34); color: #fff; background: rgba(255,255,255,0.08); }
.button--outline { border-color: var(--color-border); background: var(--color-surface); }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}
.hero__image, .final-cta img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 52% 45%, rgba(0,0,0,0.08), rgba(0,0,0,0.62) 62%, rgba(0,0,0,0.9) 100%), linear-gradient(90deg, rgba(0,0,0,0.86), rgba(0,0,0,0.42) 45%, rgba(0,0,0,0.05)), linear-gradient(0deg, rgba(0,0,0,0.62), transparent 48%);
}
.hero__content {
  position: relative;
  z-index: 1;
  padding: 140px 0 76px;
  max-width: var(--container);
}
.hero h1, .section-heading h2, .model-showcase h2, .enterprise h2, .testimonial h2, .brand-ai h2, .final-cta h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: 0;
}
.hero h1 { max-width: 640px; font-size: clamp(52px, 6.9vw, 88px); }
em { color: var(--color-accent); font-style: italic; }
.hero p { max-width: 540px; color: rgba(255,255,255,0.68); font-size: 18px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow--light { color: rgba(255,255,255,0.72); }
.hero__proof {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 28px 0 0;
  margin: 0;
  list-style: none;
  color: rgba(255,255,255,0.38);
  font-size: 12px;
}
.hero__scroll {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.34);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.hero__scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 34px;
  margin: 8px auto 0;
  background: rgba(255,255,255,0.22);
}

.logo-strip {
  padding: 38px 24px 44px;
  border-block: 1px solid var(--color-border);
  background: var(--color-card);
  text-align: center;
}
.logo-strip p { margin: 0 0 24px; color: var(--color-muted); font-size: 13px; }
.logo-strip__grid { display: flex; justify-content: center; gap: 46px; flex-wrap: wrap; opacity: 0.72; }
.logo-strip__grid img { width: 92px; max-height: 36px; object-fit: contain; filter: grayscale(1); }

.section { padding: 108px 0; }
.section--compact { padding-top: 72px; }
.section-heading { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-heading h2, .enterprise h2, .brand-ai h2 { font-size: clamp(42px, 6vw, 78px); }
.section-heading p:last-child, .enterprise p, .brand-ai p { color: var(--color-muted); }

.feature-grid, .app-grid, .case-grid, .industry-grid, .pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-grid { grid-template-columns: repeat(3, 1fr); }
.feature-card, .app-grid article, .case-grid article, .pricing-grid article, .enterprise__cards article, .stacked-cards article {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 28px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.feature-card:hover, .app-grid article:hover, .case-grid article:hover, .pricing-grid article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-card span, .app-grid a, .case-grid span, .pricing-grid article > span, .stacked-cards span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}
.feature-card h3, .app-grid h3, .enterprise h3, .stacked-cards h3 { margin: 16px 0 10px; font-size: 22px; }
.feature-card p, .feature-card li, .app-grid p, .case-grid p, .pricing-grid p, .enterprise__cards p, .stacked-cards p { color: var(--color-muted); font-size: 14px; }
.feature-card ul { padding-left: 18px; margin-bottom: 0; }

.model-showcase {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  padding: 70px 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.62) 36%, rgba(0,0,0,0.28) 70%), linear-gradient(0deg, rgba(0,0,0,0.78), rgba(0,0,0,0.12) 46%), url("../images/01.webp") center / cover;
  color: #fff;
  overflow: hidden;
}
.model-showcase__grid {
  display: grid;
  min-height: calc(100vh - var(--header-height) - 140px);
  grid-template-columns: 430px 1fr 360px;
  gap: 44px;
  align-items: center;
}
.model-showcase h2 { font-size: clamp(48px, 5.8vw, 72px); }
.model-showcase__copy p { color: rgba(255,255,255,0.68); }
.stat-row { display: flex; gap: 38px; margin: 28px 0; }
.stat-row strong { font-size: 46px; line-height: 1; }
.stat-row span { display: block; margin-top: 8px; color: rgba(255,255,255,0.5); font-size: 12px; font-family: var(--font-mono); text-transform: uppercase; }
.model-panel {
  align-self: end;
  max-width: 560px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(16, 11, 8, 0.84);
  backdrop-filter: blur(8px);
  box-shadow: 0 30px 90px rgba(0,0,0,0.34);
}
.model-panel img { display: none; }
.model-panel__body { padding: 20px; }
.model-panel__body p { margin: 0 0 4px; color: #fff; font-weight: 700; }
.model-panel__body p a { margin-left: 12px; color: var(--color-accent); font-size: 13px; }
.model-panel__body h3 { margin: 0 0 14px; color: rgba(255,255,255,0.58); font-size: 13px; }
.model-panel__body span { display: inline-flex; margin-right: 8px; border-radius: 999px; background: rgba(255,255,255,0.08); padding: 6px 10px; color: rgba(255,255,255,0.78); font-size: 11px; }
.model-list { display: grid; align-content: center; gap: 0; }
.model-list span { border-left: 1px solid rgba(255,255,255,0.24); padding: 15px 0 15px 20px; color: rgba(255,255,255,0.62); font-family: var(--font-serif); font-size: 30px; line-height: 1; }
.model-list span:first-child { color: #fff; font-size: 42px; }

.workflow { border-top: 1px solid var(--color-border); }
.workflow .section-heading {
  max-width: 960px;
}
.workflow .section-heading h2 {
  font-size: clamp(42px, 5vw, 64px);
}
.workflow__tabs { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.workflow__tabs button {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 10px 14px;
  color: var(--color-muted);
}
.workflow__tabs button:first-child { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.workflow__canvas {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  border: 0;
  background:
    linear-gradient(23deg, transparent 27%, rgba(200,88,62,0.42) 27.2%, rgba(200,88,62,0.42) 27.4%, transparent 27.6%),
    linear-gradient(155deg, transparent 41%, rgba(200,88,62,0.34) 41.2%, rgba(200,88,62,0.34) 41.4%, transparent 41.6%),
    radial-gradient(circle at 52% 50%, rgba(200,88,62,0.08), transparent 36%);
}
.workflow__canvas article {
  position: absolute;
  width: 178px;
  background: var(--color-surface);
  border: 1px solid rgba(32,25,20,0.08);
  padding: 9px;
  min-height: 190px;
  box-shadow: 0 16px 36px rgba(34, 24, 18, 0.12);
}
.workflow__canvas article::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-bg);
  right: -7px;
  top: 50%;
}
.workflow__canvas article:nth-child(1) { left: 16%; top: 6%; }
.workflow__canvas article:nth-child(2) { left: 16%; top: 46%; }
.workflow__canvas article:nth-child(3) { left: 16%; top: 74%; }
.workflow__canvas article:nth-child(4) { left: 40%; top: 54%; width: 190px; min-height: 134px; }
.workflow__canvas article:nth-child(5) { left: 61%; top: 28%; }
.workflow__canvas img { width: 100%; height: 112px; object-fit: cover; margin-bottom: 12px; }
.workflow__canvas span { display: block; color: var(--color-accent); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.workflow__prompt { display: flex; flex-direction: column; justify-content: center; }

.app-grid article { min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; }
.case-grid article img { width: 112px; height: 44px; object-fit: contain; filter: grayscale(1); margin-bottom: 26px; }
.case-grid strong { display: block; font-size: 34px; margin: 8px 0; }

.industry {
  padding: 90px 0;
  border-block: 1px solid var(--color-border);
  background: var(--color-card);
}
.industry-grid article {
  position: relative;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(to top, rgba(0,0,0,0.82), rgba(0,0,0,0.12)), var(--bg) center / cover;
}
.industry-grid span { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; color: rgba(255,255,255,0.72); }
.industry-grid h3 { max-width: 300px; font-size: 25px; margin: 10px 0 0; }

.enterprise__grid, .brand-ai__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}
.enterprise__cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.testimonial {
  padding: 86px 0;
  background: var(--color-card);
  text-align: center;
}
.testimonial .container { max-width: 820px; }
.testimonial h2 { font-size: clamp(42px, 6vw, 70px); }
blockquote {
  margin: 28px auto;
  font-family: var(--font-serif);
  font-size: clamp(25px, 4vw, 42px);
  line-height: 1.12;
}
.stacked-cards { display: grid; gap: 16px; }

.billing-toggle { display: flex; justify-content: center; gap: 4px; margin: -22px 0 28px; }
.billing-toggle button {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 10px 16px;
}
.billing-toggle .is-active { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.pricing-grid article { display: flex; flex-direction: column; min-height: 330px; padding: 24px; }
.pricing-grid strong { font-size: 42px; line-height: 1; margin: 10px 0; }
.pricing-grid small { color: var(--color-muted); font-size: 14px; }
.pricing-grid .button { margin-top: auto; }
.pricing-grid .is-featured { background: #1b1512; color: #fff; }
.pricing-grid .is-featured p { color: rgba(255,255,255,0.68); }

.final-cta {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.final-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.75), rgba(0,0,0,0.35));
}
.final-cta__content { position: relative; z-index: 1; width: min(760px, calc(100% - 32px)); }
.final-cta h2 { font-size: clamp(44px, 7vw, 84px); }
.final-cta p { color: rgba(255,255,255,0.72); }
.final-cta .button-row { justify-content: center; }

.site-footer {
  padding: 70px 0 28px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 0.8fr) 1.2fr;
  gap: 34px;
}
.footer-brand { margin-bottom: 20px; font-size: 18px; line-height: 1; }
.site-footer p, .site-footer a, .site-footer strong { color: var(--color-muted); font-size: 13px; }
.site-footer h3 { margin: 0 0 14px; font-size: 12px; text-transform: uppercase; font-family: var(--font-mono); }
.site-footer nav { display: grid; align-content: start; gap: 9px; }
.newsletter label span { display: block; margin-bottom: 6px; color: var(--color-muted); font-size: 12px; }
.newsletter input { width: 100%; margin-bottom: 10px; border: 1px solid var(--color-border); padding: 11px 12px; background: var(--color-surface); }
.site-footer__bottom { width: min(100% - 32px, var(--container)); margin: 40px auto 0; }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: auto auto; justify-content: space-between; }
  .site-header__nav, .search-pill, .link-muted, .site-header__actions .button { display: none; }
  .menu-toggle { display: block; }
  .mobile-menu.is-open {
    display: grid;
    grid-column: 1 / -1;
    gap: 12px;
    padding: 0 0 18px;
  }
  .model-showcase__grid, .enterprise__grid, .brand-ai__grid { grid-template-columns: 1fr; }
  .model-list { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow__canvas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    min-height: 0;
    gap: 16px;
    padding: 16px;
    background: #ede8e0;
  }
  .workflow__canvas article {
    position: relative;
    inset: auto !important;
    width: auto;
  }
  .workflow__canvas article::after { display: none; }
  .feature-grid, .app-grid, .case-grid, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --header-height: 68px; }
  .site-header { min-height: 68px; padding: 0 16px; }
  .hero { min-height: 760px; }
  .hero__content { padding: 130px 0 42px; }
  .hero h1 { font-size: 56px; }
  .hero__scroll { display: none; }
  .section, .industry { padding: 64px 0; }
  .section-heading { margin-bottom: 30px; }
  .feature-grid, .app-grid, .case-grid, .industry-grid, .pricing-grid, .enterprise__cards, .workflow__canvas, .model-list, .site-footer__grid { grid-template-columns: 1fr; }
  .model-panel img { height: 300px; }
  .workflow__canvas { padding: 16px; }
  .logo-strip__grid { gap: 22px; }
  .logo-strip__grid img { width: 78px; }
  .stat-row strong { font-size: 36px; }
  .final-cta { min-height: 460px; }
}