:root {
  --bg: #f4efe7;
  --surface: rgba(255, 255, 255, 0.65);
  --surface-strong: #fffaf3;
  --line: rgba(31, 39, 55, 0.12);
  --ink: #17202d;
  --muted: #536074;
  --accent: #be4d25;
  --accent-dark: #8f3516;
  --highlight: #0d6661;
  --shadow: 0 24px 80px rgba(23, 32, 45, 0.12);
  --radius: 26px;
  --radius-sm: 18px;
  --max: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(190, 77, 37, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(13, 102, 97, 0.18), transparent 26%),
    linear-gradient(180deg, #f8f4ed 0%, #efe7da 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 85%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 20;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 250, 243, 0.8);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #f39f63);
  color: #fff;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-nav a {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: var(--muted);
}

.site-nav a.active,
.site-nav a:hover {
  background: rgba(23, 32, 45, 0.08);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(23, 32, 45, 0.08);
}

.nav-toggle span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 0.3rem auto;
  background: var(--ink);
}

main {
  padding: 3rem 0 5rem;
}

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 250, 243, 0.92), rgba(255, 255, 255, 0.45));
  border: 1px solid rgba(23, 32, 45, 0.08);
  border-radius: calc(var(--radius) * 1.35);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  padding: 4.5rem;
}

.page-hero {
  padding: 4rem;
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -25% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 102, 97, 0.28), transparent 70%);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3,
.quote-block p {
  margin: 0;
  line-height: 0.98;
}

h1,
h2 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(3.3rem, 7vw, 6.6rem);
  max-width: 13ch;
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  max-width: 12ch;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

p,
li,
label,
input,
textarea,
select,
button {
  font-size: 1rem;
  line-height: 1.65;
}

.hero-text,
.section-header,
.section-intro,
.evidence-section,
.contact-card p,
.problem-card p,
.pillar-card p,
.arch-layer p,
.roadmap-card p,
.solution-card p,
.outcome-card p,
.workspace-card p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #ea8d54);
  color: #fff;
}

.button-secondary {
  background: rgba(23, 32, 45, 0.06);
  border-color: var(--line);
}

.signal-card,
.problem-card,
.pillar-card,
.arch-layer,
.roadmap-card,
.solution-card,
.outcome-card,
.workspace-card,
.feature-panel,
.contact-card,
.contact-form,
.evidence-section,
.cta-section,
.quote-block,
.logo-band {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(23, 32, 45, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.signal-card {
  padding: 1.5rem;
}

.signal-label {
  margin: 0 0 1rem;
  color: var(--highlight);
  font-weight: 700;
}

.signal-grid,
.problem-grid,
.pillar-grid,
.roadmap-grid,
.workspace-grid,
.solution-grid,
.outcome-grid {
  display: grid;
  gap: 1.25rem;
}

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

.signal-grid article,
.roadmap-card,
.outcome-card {
  padding: 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.62);
}

.signal-grid span,
.arch-layer span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  margin-bottom: 0.9rem;
  background: rgba(190, 77, 37, 0.12);
  color: var(--accent-dark);
  font-weight: 700;
}

.section {
  margin-top: 1.5rem;
  padding: 2rem 0;
}

.split-section,
.feature-split,
.contact-layout,
.cta-section {
  display: grid;
  gap: 1.25rem;
}

.problem-grid,
.pillar-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillar-card,
.problem-card,
.solution-card,
.workspace-card,
.feature-panel,
.contact-card,
.contact-form {
  padding: 1.5rem;
}

.section-header,
.section-intro {
  margin-bottom: 1.5rem;
}

.architecture-stack {
  display: grid;
  gap: 1rem;
}

.arch-layer {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1rem;
  padding: 1.5rem;
}

.roadmap-grid,
.solution-grid,
.outcome-grid,
.workspace-grid,
.feature-split,
.contact-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.phase {
  margin-bottom: 0.5rem;
  color: var(--highlight);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.quote-block {
  padding: 3rem;
  text-align: center;
}

.quote-block p {
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  max-width: 14ch;
  margin: 0 auto;
}

.cta-section,
.evidence-section {
  align-items: center;
  padding: 2rem;
}

.cta-section {
  grid-template-columns: 1.3fr auto;
}

.logo-band {
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
}

.detail-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.mode-list {
  display: grid;
  gap: 1rem;
}

.mode-list article {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.mode-list article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-points {
  margin-top: 1.5rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 500;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(23, 32, 45, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
  color: var(--ink);
}

.site-footer {
  padding: 0 0 2rem;
  color: var(--muted);
}

.site-footer div {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero,
  .problem-grid,
  .pillar-grid,
  .roadmap-grid,
  .solution-grid,
  .outcome-grid,
  .workspace-grid,
  .feature-split,
  .contact-layout,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .hero,
  .page-hero {
    padding: 2rem;
  }

  .site-header {
    border-radius: 28px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    background: rgba(255, 250, 243, 0.96);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max));
  }

  .site-header {
    padding: 0.8rem 1rem;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .quote-block,
  .cta-section,
  .evidence-section {
    padding: 1.5rem;
  }
}