:root {
  --bg: #f4f6fb;
  --surface: rgba(247, 249, 254, 0.78);
  --surface-strong: rgba(249, 251, 255, 0.94);
  --ink: #273961;
  --muted: #5a6480;
  --line: rgba(39, 57, 97, 0.10);
  --line-strong: rgba(39, 57, 97, 0.18);
  --accent: #b9642f;
  --accent-deep: #82411b;
  --accent-soft: rgba(185, 100, 47, 0.10);
  --teal: #1f6a68;
  --teal-soft: rgba(31, 106, 104, 0.10);
  --shadow: 0 20px 60px rgba(18, 28, 38, 0.06);
  --shadow-hover: 0 28px 80px rgba(18, 28, 38, 0.12);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", "SF Mono", "Cascadia Mono", Menlo, monospace;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --content: min(1200px, calc(100vw - 3rem));
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── Animated background ─── */
.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.site-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(39, 57, 97, 0.12), transparent),
    radial-gradient(ellipse 70% 50% at 90% 20%, rgba(39, 57, 97, 0.07), transparent),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(39, 57, 97, 0.05), transparent);
  animation: bgShift 20s ease-in-out infinite alternate;
}

.site-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(23, 33, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 43, 0.03) 1px, transparent 1px);
  background-size: 3rem 3rem;
  mask-image: radial-gradient(ellipse 60% 50% at center, black, transparent);
  opacity: 0.6;
}

@keyframes bgShift {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.05) translate(-2%, 1%); }
}

/* ─── Layout ─── */
.site-header, .site-footer, .section {
  position: relative;
  width: var(--content);
  margin: 0 auto;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: -1rem -2rem;
  background: rgba(244, 246, 251, 0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  z-index: -1;
  mask-image: linear-gradient(black 70%, transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
  white-space: nowrap;
}

.brand-logo {
  display: block;
  height: 3.2rem;
  width: auto;
  max-width: none;
  transition: opacity 200ms var(--ease-out);
}

.brand:hover .brand-logo {
  opacity: 0.85;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.85);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.site-nav a {
  padding: 0.65rem 1.05rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 200ms var(--ease-out);
}

.site-nav a:hover {
  color: var(--ink);
  background: var(--accent-soft);
}

.site-nav a.active {
  background: var(--ink);
  color: var(--bg);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 200ms;
}

.nav-toggle:hover { background: var(--accent-soft); }

/* ─── Sections ─── */
.section { padding: 5rem 0; }

/* ─── Reveal animation ─── */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }

/* ─── Hero ─── */
.hero, .page-hero {
  display: grid;
  gap: 2.5rem;
  padding-top: 3rem;
}

.hero {
  grid-template-columns: 1.5fr 1fr;
  align-items: start;
  min-height: 75vh;
  align-content: center;
}

.hero-copy { padding: 0; background: none; border: none; box-shadow: none; }

.eyebrow, .service-tag, .panel-label {
  margin: 0 0 1.2rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  line-height: 1.0;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 14ch;
  font-size: clamp(3.2rem, 7vw, 5.5rem);
  line-height: 0.95;
}

h2 { font-size: clamp(2rem, 4.5vw, 3rem); }
h3 { font-size: 1.4rem; }

.lede {
  max-width: 52ch;
  margin: 1.5rem 0 0;
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.7;
}

.narrow { max-width: 48rem; }

/* ─── Buttons ─── */
.hero-actions, .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 250ms var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.button-primary {
  background: var(--ink);
  color: #fff8ef;
}

.button-primary:hover {
  background: #0d1920;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.button-secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* ─── Hero panel ─── */
.hero-panel {
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  align-self: start;
  position: sticky;
  top: 6rem;
}

.facts-list { display: grid; gap: 0.9rem; margin: 0; }

.facts-list div {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.facts-list div:last-child { padding-bottom: 0; border-bottom: 0; }
.facts-list dt { color: var(--muted); font-size: 0.85rem; }
.facts-list dd { margin: 0.15rem 0 0; font-weight: 500; }

/* ─── Section heading ─── */
.section-heading {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  max-width: 40rem;
}

/* ─── Split layout ─── */
.split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ─── Cards ─── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.card-grid-three { grid-template-columns: repeat(3, 1fr); }

.feature-card, .service-card, .detail-card, .insight-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 350ms var(--ease-out);
}

.feature-card:hover, .service-card:hover, .insight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--line-strong);
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.92rem;
  transition: gap 250ms var(--ease-out);
}

.card-link::after {
  content: "\2192";
  transition: transform 250ms var(--ease-out);
}

.card-link:hover::after { transform: translateX(4px); }

.feature-card p, .service-card p, .detail-card p,
.insight-card p, .cta-section p, .timeline-step p,
.newsletter-section p, .split p, .lede {
  color: var(--muted);
}

/* ─── Marquee ─── */
.marquee-section {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  overflow: hidden;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--muted);
  white-space: nowrap;
  opacity: 0.5;
}

.marquee-track span.dot {
  color: var(--accent);
  opacity: 0.8;
  font-size: 0.6em;
  align-self: center;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Timeline ─── */
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.timeline-step {
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  position: relative;
  transition: all 350ms var(--ease-out);
}

.timeline-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
}

/* ─── Emphasis section ─── */
.emphasis-section { padding: 2rem 0 5rem; }

/* ─── Pills ─── */
.pill-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.pill-row span {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.9rem;
  transition: all 200ms var(--ease-out);
}

.pill-row span:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* ─── CTA section ─── */
.cta-section, .newsletter-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

/* ─── Newsletter ─── */
.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
}

.newsletter-form input {
  min-width: min(20rem, 100%);
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  transition: border-color 200ms, box-shadow 200ms;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ─── Insight cards ─── */
.insight-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ─── Lists ─── */
.list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.list li { margin-bottom: 0.3rem; }

/* ─── Full-width accent section ─── */
.accent-section {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 5rem 0;
  background: var(--ink);
  color: var(--bg);
}

.accent-section .section {
  width: var(--content);
  margin: 0 auto;
  padding: 0;
}

.accent-section .eyebrow { color: var(--accent); }
.accent-section h2 { color: var(--bg); }
.accent-section p { color: rgba(246, 240, 229, 0.65); }

.accent-section .timeline-step {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--bg);
}

.accent-section .timeline-step strong { color: var(--bg); }
.accent-section .timeline-step p { color: rgba(246, 240, 229, 0.65); }

.accent-section .step-number {
  background: rgba(185, 100, 47, 0.2);
  color: var(--accent);
}

/* ─── Page hero ─── */
.page-hero {
  justify-items: start;
  min-height: 40vh;
  align-content: center;
}

.page-hero .lede { max-width: 42rem; }

/* ─── Footer ─── */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer a {
  color: var(--accent);
  transition: color 200ms;
}
.site-footer a:hover { color: var(--accent-deep); }

/* ─── Utility ─── */
.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;
}

/* ─── Responsive ─── */
@media (max-width: 960px) {
  .hero, .split, .timeline, .card-grid-three {
    grid-template-columns: 1fr;
  }

  .hero { min-height: auto; }

  .cta-section, .newsletter-section, .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    flex-direction: column;
    align-items: stretch;
    width: min(18rem, 100%);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 200ms var(--ease-out), visibility 200ms, transform 200ms var(--ease-out);
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
  }

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

@media (max-width: 680px) {
  :root { --content: min(1200px, calc(100vw - 1.5rem)); }

  .section { padding: 3.5rem 0; }
  .site-header { padding-top: 0.8rem; }

  .feature-card, .service-card, .detail-card, .insight-card,
  .cta-section, .newsletter-section, .hero-panel { padding: 1.4rem; }

  h1 { max-width: none; font-size: clamp(2.6rem, 12vw, 3.5rem); }
  h2 { font-size: clamp(1.8rem, 8vw, 2.2rem); }

  .newsletter-form, .newsletter-form input { width: 100%; }
  .newsletter-form .button { width: 100%; }

  .marquee-track span { font-size: 1.2rem; }
}