:root {
  --bg: #f4efe4;
  --surface: rgba(255, 252, 245, 0.82);
  --surface-strong: #fff9ef;
  --ink: #1f2a1f;
  --muted: #5a655b;
  --line: rgba(31, 42, 31, 0.12);
  --accent: #c4542f;
  --accent-deep: #7d2f16;
  --accent-soft: #f0d5c6;
  --shadow: 0 24px 70px rgba(69, 52, 35, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(196, 84, 47, 0.18), transparent 26%),
    radial-gradient(circle at bottom right, rgba(96, 128, 83, 0.18), transparent 24%),
    linear-gradient(180deg, #f9f5ec 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
}

body [data-lang] {
  display: none;
}

body[data-lang="en"] [data-lang="en"],
body[data-lang="es"] [data-lang="es"] {
  display: initial;
}

body[data-lang="en"] ul[data-lang="en"],
body[data-lang="es"] ul[data-lang="es"] {
  display: block;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.page-shell-inner {
  display: block;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin: 0;
  color: var(--ink);
}

.brand-mark img {
  display: block;
  width: 160px;
  height: auto;
}

.lang-switch {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 241, 0.72);
  box-shadow: var(--shadow);
}

.lang-button {
  min-width: 52px;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
}

.lang-button.is-active {
  background: var(--ink);
  color: #fef8ef;
}

.hero,
.section,
.hero-panel,
.story-card,
.architecture-card,
.model-card,
.offer-card,
.cta-section {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 24px;
  padding: 28px;
  border-radius: 32px;
  background: rgba(255, 250, 241, 0.86);
  backdrop-filter: blur(14px);
}

.hero-copy h1,
.section h2,
.offer-card h3,
.model-card h3,
.architecture-card h3,
.panel-title {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

.eyebrow,
.section-label,
.model-kicker,
.panel-label {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.hero-copy h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.92;
}

.hero-copy h1[data-lang],
.hero-copy .hero-text[data-lang],
.hero-copy .eyebrow[data-lang],
.hero-actions a[data-lang],
.hero-panel .panel-label[data-lang],
.hero-panel .panel-text[data-lang],
.story-card .section-label[data-lang],
.story-card h2[data-lang],
.story-card p[data-lang],
.section-head .section-label[data-lang],
.section-head h2[data-lang],
.section-head p[data-lang],
.architecture-card p[data-lang],
.model-card .model-subtitle[data-lang],
.model-card ul[data-lang],
.offer-card .price-tag[data-lang],
.offer-card .support-tag[data-lang],
.offer-card p[data-lang],
.offer-card ul[data-lang],
.cta-copy .section-label[data-lang],
.cta-copy h2[data-lang],
.cta-copy p[data-lang],
.cta-actions a[data-lang],
.cta-actions p[data-lang] {
  display: none;
}

body[data-lang="en"] .hero-copy h1[data-lang="en"],
body[data-lang="en"] .hero-copy .hero-text[data-lang="en"],
body[data-lang="en"] .hero-copy .eyebrow[data-lang="en"],
body[data-lang="en"] .hero-actions a[data-lang="en"],
body[data-lang="en"] .hero-panel .panel-label[data-lang="en"],
body[data-lang="en"] .hero-panel .panel-text[data-lang="en"],
body[data-lang="en"] .story-card .section-label[data-lang="en"],
body[data-lang="en"] .story-card h2[data-lang="en"],
body[data-lang="en"] .story-card p[data-lang="en"],
body[data-lang="en"] .section-head .section-label[data-lang="en"],
body[data-lang="en"] .section-head h2[data-lang="en"],
body[data-lang="en"] .section-head p[data-lang="en"],
body[data-lang="en"] .architecture-card p[data-lang="en"],
body[data-lang="en"] .model-card .model-subtitle[data-lang="en"],
body[data-lang="en"] .model-card ul[data-lang="en"],
body[data-lang="en"] .offer-card .price-tag[data-lang="en"],
body[data-lang="en"] .offer-card .support-tag[data-lang="en"],
body[data-lang="en"] .offer-card p[data-lang="en"],
body[data-lang="en"] .offer-card ul[data-lang="en"],
body[data-lang="en"] .cta-copy .section-label[data-lang="en"],
body[data-lang="en"] .cta-copy h2[data-lang="en"],
body[data-lang="en"] .cta-copy p[data-lang="en"],
body[data-lang="en"] .cta-actions a[data-lang="en"],
body[data-lang="en"] .cta-actions p[data-lang="en"] {
  display: block;
}

body[data-lang="es"] .hero-copy h1[data-lang="es"],
body[data-lang="es"] .hero-copy .hero-text[data-lang="es"],
body[data-lang="es"] .hero-copy .eyebrow[data-lang="es"],
body[data-lang="es"] .hero-actions a[data-lang="es"],
body[data-lang="es"] .hero-panel .panel-label[data-lang="es"],
body[data-lang="es"] .hero-panel .panel-text[data-lang="es"],
body[data-lang="es"] .story-card .section-label[data-lang="es"],
body[data-lang="es"] .story-card h2[data-lang="es"],
body[data-lang="es"] .story-card p[data-lang="es"],
body[data-lang="es"] .section-head .section-label[data-lang="es"],
body[data-lang="es"] .section-head h2[data-lang="es"],
body[data-lang="es"] .section-head p[data-lang="es"],
body[data-lang="es"] .architecture-card p[data-lang="es"],
body[data-lang="es"] .model-card .model-subtitle[data-lang="es"],
body[data-lang="es"] .model-card ul[data-lang="es"],
body[data-lang="es"] .offer-card .price-tag[data-lang="es"],
body[data-lang="es"] .offer-card .support-tag[data-lang="es"],
body[data-lang="es"] .offer-card p[data-lang="es"],
body[data-lang="es"] .offer-card ul[data-lang="es"],
body[data-lang="es"] .cta-copy .section-label[data-lang="es"],
body[data-lang="es"] .cta-copy h2[data-lang="es"],
body[data-lang="es"] .cta-copy p[data-lang="es"],
body[data-lang="es"] .cta-actions a[data-lang="es"],
body[data-lang="es"] .cta-actions p[data-lang="es"] {
  display: block;
}

body[data-lang="en"] .hero-actions a[data-lang="en"],
body[data-lang="es"] .hero-actions a[data-lang="es"],
body[data-lang="en"] .cta-actions a[data-lang="en"],
body[data-lang="es"] .cta-actions a[data-lang="es"] {
  display: inline-flex;
}

.hero-text,
.panel-text,
.story-card p,
.section-head p,
.model-subtitle,
.offer-card p,
.cta-copy p,
.small-note,
.signal-list li,
.architecture-card p {
  color: var(--muted);
  line-height: 1.6;
}

.hero-text {
  max-width: 60ch;
  margin: 20px 0 0;
  font-size: 1.08rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-action {
  background: var(--ink);
  color: #fef8ef;
}

.secondary-action {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.primary-action:hover,
.secondary-action:hover {
  transform: translateY(-2px);
}

.hero-panel,
.story-card,
.architecture-card,
.model-card,
.offer-card {
  border-radius: 24px;
  background: var(--surface);
}

.hero-panel {
  padding: 22px;
  background: linear-gradient(180deg, rgba(31, 42, 31, 0.98), rgba(46, 60, 46, 0.94));
}

.hero-panel .panel-label,
.hero-panel .panel-title,
.hero-panel .panel-text,
.hero-panel .signal-list li {
  color: #f5ecdf;
}

.panel-title {
  margin: 0;
  font-size: 1.65rem;
}

.signal-list {
  margin: 18px 0 0;
  padding-left: 18px;
}

.signal-list li + li {
  margin-top: 10px;
}

.section {
  margin-top: 28px;
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 252, 245, 0.8);
}

.intro-grid,
.offer-layout,
.cta-section {
  display: grid;
  gap: 20px;
}

.intro-grid,
.offer-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.story-card,
.offer-card {
  padding: 24px;
}

.accent-card {
  background: linear-gradient(180deg, rgba(196, 84, 47, 0.1), rgba(240, 213, 198, 0.78));
}

.section-head {
  max-width: 62ch;
  margin-bottom: 24px;
}

.section-head h2,
.story-card h2,
.cta-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.04;
}

.architecture-grid,
.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.architecture-card,
.model-card {
  padding: 22px;
}

.architecture-card span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-weight: 800;
}

.architecture-card h3,
.model-card h3,
.offer-card h3 {
  margin: 18px 0 12px;
  font-size: 1.45rem;
}

.featured-model {
  background: linear-gradient(180deg, rgba(196, 84, 47, 0.12), rgba(255, 249, 239, 0.92));
}

.model-card ul,
.offer-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.model-card li,
.offer-card li {
  color: var(--muted);
  line-height: 1.5;
}

.price-tag,
.support-tag {
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--accent-deep);
}

.muted-offer {
  background: rgba(255, 255, 255, 0.7);
}

.cta-section {
  grid-template-columns: 1.35fr 0.8fr;
  align-items: end;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(31, 42, 31, 0.98), rgba(63, 80, 63, 0.95));
  padding: 28px;
}

.cta-section .section-label,
.cta-section h2,
.cta-section p,
.cta-section .small-note {
  color: #f6ecdf;
}

@media (max-width: 920px) {
  .hero,
  .intro-grid,
  .architecture-grid,
  .model-grid,
  .offer-layout,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 100%);
    padding: 18px 0 48px;
  }

  .topbar {
    margin-bottom: 14px;
  }

  .hero,
  .section,
  .cta-section {
    padding: 20px;
    border-radius: 24px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 16vw, 4rem);
  }

  .section-head h2,
  .story-card h2,
  .cta-copy h2 {
    font-size: clamp(1.7rem, 10vw, 2.4rem);
  }
}