/* ============================================================
   Mission & Data RH — styles.css
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/InterVariable.woff2") format("woff2-variations"),
       url("fonts/InterVariable.woff2") format("woff2");
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/Fraunces-VariableSubsetLatin.woff2") format("woff2-variations"),
       url("fonts/Fraunces-VariableSubsetLatin.woff2") format("woff2");
}

/* ---------- Tokens ---------- */
:root {
  /* Surfaces */
  --surface-0: #ffffff;
  --surface-1: #fafbfc;
  --surface-2: #f3f5f8;
  --surface-3: #eaeef4;
  --surface-inverse: #08182f;
  --surface-inverse-2: #0c2347;

  /* Ink */
  --ink-0: #08182f;
  --ink-1: #1e293b;
  --ink-2: #475569;
  --ink-3: #64748b;
  --ink-inverse: #ffffff;
  --ink-inverse-2: rgba(255, 255, 255, 0.72);

  /* Brand */
  --brand-50: #eff6ff;
  --brand-100: #dbeafe;
  --brand-200: #bfdbfe;
  --brand-500: #2563eb;
  --brand-600: #1d4ed8;
  --brand-700: #1e40af;

  /* Accent — warm, for editorial highlight */
  --accent-500: #f97316;
  --accent-600: #ea580c;

  /* Support */
  --teal-600: #0f766e;

  /* Lines */
  --line-1: #e6ebf2;
  --line-2: #cbd5e1;
  --line-inverse: rgba(255, 255, 255, 0.12);

  /* Spacing (4pt grid) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;
  --space-11: 160px;

  /* Type */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Fraunces", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 40px;
  --text-5xl: 52px;
  --text-6xl: 68px;
  --text-7xl: 84px;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(8, 24, 47, 0.04);
  --shadow-sm: 0 2px 10px rgba(8, 24, 47, 0.06);
  --shadow-md: 0 12px 32px rgba(8, 24, 47, 0.08);
  --shadow-lg: 0 24px 60px rgba(8, 24, 47, 0.12);
  --shadow-brand: 0 12px 28px rgba(37, 99, 235, 0.22);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 160ms;
  --duration-base: 280ms;
  --duration-slow: 600ms;

  /* Layout */
  --max-width: 1200px;
  --gutter: 32px;

  /* Header height (for sticky offsets) */
  --header-height: 72px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  color: var(--ink-1);
  background: var(--surface-0);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4, blockquote, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

::selection { background: var(--brand-100); color: var(--ink-0); }

/* ---------- Layout primitives ---------- */
.container {
  width: min(var(--max-width), calc(100% - var(--space-7)));
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--line-1);
  box-shadow: var(--shadow-xs);
}

.nav-shell {
  width: min(var(--max-width), calc(100% - var(--space-7)));
  height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--ink-0);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 38px; height: 38px;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
}

.brand-mark svg,
.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
}

/* Dark surfaces (footer brand, hero on dark sections) — invert to white via currentColor */
.final-cta .brand-mark,
.site-footer .brand-mark {
  color: var(--ink-inverse);
}

.brand-name { white-space: nowrap; font-size: var(--text-base); }
.brand-suffix {
  color: var(--brand-600);
  font-weight: 700;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  color: var(--ink-2);
  font-size: var(--text-sm);
  font-weight: 500;
}

.nav-links a {
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brand-600);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-base) var(--ease-out);
}

.nav-links a:not(.nav-cta):hover,
.nav-links a:not(.nav-cta):focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--ink-0);
}

.nav-links a:not(.nav-cta):hover::after,
.nav-links a:not(.nav-cta):focus-visible::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 10px var(--space-4);
  color: var(--ink-0);
  border: 1px solid var(--line-1);
  border-radius: var(--radius-sm);
  background: var(--surface-0);
  font-weight: 600;
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.nav-cta:hover, .nav-cta:focus-visible {
  border-color: var(--brand-500);
  background: var(--brand-50);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-sm);
  background: var(--surface-0);
  color: var(--ink-0);
}

.nav-toggle span:not(.visually-hidden) {
  display: block;
  width: 18px; height: 2px;
  margin: 4px auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-out);
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.2;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.button:hover, .button:focus-visible { transform: translateY(-1px); }
.button:active { transform: translateY(0); }

.button-primary {
  color: var(--ink-inverse);
  background: var(--brand-600);
  border-color: var(--brand-600);
  box-shadow: var(--shadow-brand);
}
.button-primary:hover, .button-primary:focus-visible {
  background: var(--brand-700);
  border-color: var(--brand-700);
  box-shadow: 0 18px 36px rgba(29, 78, 216, 0.32);
}

.button-secondary {
  color: var(--ink-0);
  background: var(--surface-0);
  border-color: var(--line-1);
}
.button-secondary:hover, .button-secondary:focus-visible {
  border-color: var(--brand-500);
  box-shadow: var(--shadow-md);
}

.button .button-arrow {
  width: 14px; height: 14px;
  transition: transform var(--duration-base) var(--ease-out);
}
.button:hover .button-arrow,
.button:focus-visible .button-arrow {
  transform: translateX(3px);
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.32);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.button:focus-visible,
.nav-cta:focus-visible {
  outline-offset: 3px;
}

/* ---------- Typography utilities ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--brand-600);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px; height: 1px;
  background: currentColor;
}

.final-cta .eyebrow { color: var(--brand-200); }
.final-cta .eyebrow::before { background: var(--brand-200); }

h1, .h1 {
  font-family: var(--font-sans);
  font-size: var(--text-6xl);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 600;
  color: var(--ink-0);
  text-wrap: balance;
}

h1 em, .display-serif {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-sans);
  font-size: var(--text-4xl);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--ink-0);
  text-wrap: balance;
}

h2 em, h3 em {
  font-family: var(--font-display);
  font-weight: 400;
}

h3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 600;
  color: var(--ink-0);
}

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--surface-0);
  isolation: isolate;
}

.hero::before {
  /* Subtle grid background */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(8, 24, 47, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 24, 47, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 30%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  /* Soft brand glow */
  content: "";
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60%;
  height: 70%;
  background: radial-gradient(circle at 60% 40%, rgba(37, 99, 235, 0.14), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-8);
  align-items: center;
  min-height: 680px;
  padding: var(--space-10) 0 var(--space-9);
}

.hero-content { position: relative; z-index: 3; max-width: 640px; }

.hero-content h1 {
  font-size: clamp(40px, 5.5vw, 76px);
}

.hero-copy {
  max-width: 560px;
  margin-top: var(--space-5);
  color: var(--ink-2);
  font-size: var(--text-xl);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-7);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  color: var(--ink-3);
  font-size: var(--text-sm);
}

.hero-meta-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal-600);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.18);
  animation: pulse-dot 2.4s var(--ease-out) infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(15, 118, 110, 0.06); }
}

/* ---------- Hero visual (animated SVG dataflow) ---------- */
.hero-visual {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.hero-visual .node {
  fill: var(--surface-0);
  stroke: var(--line-1);
  stroke-width: 1;
  filter: drop-shadow(0 8px 24px rgba(8, 24, 47, 0.08));
}

.hero-visual .node-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  fill: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-visual .node-value {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  fill: var(--ink-0);
}

.hero-visual .node-meta {
  font-family: var(--font-sans);
  font-size: 11px;
  fill: var(--ink-3);
}

.hero-visual .node-icon {
  fill: var(--brand-50);
  stroke: var(--brand-500);
  stroke-width: 1;
}

.hero-visual .node-icon-glyph {
  fill: none;
  stroke: var(--brand-600);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-visual .core {
  fill: var(--surface-inverse);
}
.hero-visual .core-label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  fill: var(--brand-200);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-visual .core-value {
  font-family: var(--font-display);
  font-size: 22px;
  fill: var(--ink-inverse);
}

.hero-visual .link-path {
  fill: none;
  stroke: var(--brand-200);
  stroke-width: 1.2;
  stroke-dasharray: 4 6;
  opacity: 0.9;
}

.hero-visual .pulse {
  fill: var(--brand-600);
  filter: drop-shadow(0 0 6px rgba(37, 99, 235, 0.6));
}

.hero-visual .pulse-1 { animation: flow 4s linear infinite; }
.hero-visual .pulse-2 { animation: flow 4s linear infinite; animation-delay: 1s; }
.hero-visual .pulse-3 { animation: flow 4s linear infinite; animation-delay: 2s; }
.hero-visual .pulse-4 { animation: flow 4s linear infinite; animation-delay: 3s; }

@keyframes flow {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

.hero-visual .node-card {
  transition: transform var(--duration-base) var(--ease-out);
}

/* Gentle float */
.hero-visual .node-card.float-a { animation: float 6s ease-in-out infinite; }
.hero-visual .node-card.float-b { animation: float 7s ease-in-out infinite; animation-delay: -2s; }
.hero-visual .node-card.float-c { animation: float 8s ease-in-out infinite; animation-delay: -4s; }
.hero-visual .node-card.float-d { animation: float 7.5s ease-in-out infinite; animation-delay: -1s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ---------- Trust section ---------- */
.trust-section {
  border-top: 1px solid var(--line-1);
  border-bottom: 1px solid var(--line-1);
  background: var(--surface-0);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
}

.trust-grid > div {
  min-height: 160px;
  padding: var(--space-6) var(--space-5);
  border-right: 1px solid var(--line-1);
  transition: background var(--duration-base) var(--ease-out);
}

.trust-grid > div:last-child { border-right: 0; }

.trust-grid > div:hover { background: var(--surface-1); }

.trust-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  color: var(--ink-0);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.005em;
}

.trust-kicker::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-600);
}

.trust-grid p {
  color: var(--ink-2);
  font-size: var(--text-sm);
  line-height: 1.55;
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: var(--space-10) 0;
}

.section-light { background: var(--surface-1); }
.section-tint {
  background: linear-gradient(180deg, var(--surface-0) 0%, var(--surface-2) 100%);
}

.section-heading { max-width: 680px; }
.section-heading.compact { margin-bottom: var(--space-7); }

/* ---------- Split: problem section ---------- */
.split-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-8);
  align-items: start;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

/* ---------- Cards ---------- */
.plain-card,
.service-card,
.detail-card,
.values-grid article,
.steps-grid article,
.contact-aside,
.contact-form {
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  background: var(--surface-0);
}

.plain-card {
  min-height: 200px;
  padding: var(--space-6);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.plain-card:hover,
.detail-card:hover,
.values-grid article:hover {
  transform: translateY(-3px);
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  margin-bottom: var(--space-6);
  color: var(--brand-700);
  background: var(--brand-50);
  border-radius: var(--radius-xs);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.plain-card h3,
.service-card h3,
.detail-card h3,
.values-grid h3,
.steps-grid h3 {
  font-size: var(--text-xl);
  line-height: 1.25;
  font-weight: 600;
  color: var(--ink-0);
  letter-spacing: -0.01em;
}

.plain-card p,
.service-card p,
.detail-card p,
.values-grid p,
.steps-grid p,
.about-copy p,
.no-limit p,
.operating-model p,
.page-hero p,
.solution-band p,
.contact-aside,
.footer-grid p,
.footer-grid span {
  color: var(--ink-2);
}

.plain-card p,
.service-card p,
.detail-card p,
.values-grid p,
.steps-grid p {
  margin-top: var(--space-3);
}

/* ---------- Solution band / no-limit / operating-model ---------- */
.solution-band,
.no-limit,
.operating-model {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8);
  border: 1px solid var(--line-1);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
    var(--surface-0);
  box-shadow: var(--shadow-md);
}

.solution-band p,
.no-limit p,
.operating-model p {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  line-height: 1.55;
}

.solution-points,
.model-list,
.aside-list {
  display: grid;
  gap: var(--space-2);
}

.solution-points span,
.model-list span,
.aside-list span {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 52px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--line-1);
  border-radius: var(--radius-sm);
  background: var(--surface-1);
  color: var(--ink-0);
  font-weight: 500;
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.solution-points span::before,
.model-list span::before,
.aside-list span::before {
  content: "";
  width: 16px; height: 16px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%231d4ed8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='3 8.5 6.5 12 13 4.5'/></svg>");
  background-repeat: no-repeat;
  background-size: contain;
}

.solution-points span:hover,
.model-list span:hover,
.aside-list span:hover {
  border-color: var(--brand-200);
  background: var(--surface-0);
}

/* ---------- Services grid ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: var(--space-4);
}

.service-card {
  padding: var(--space-6);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
}

.service-card.is-wide { grid-column: span 2; }
.service-card.is-tall { grid-row: span 2; }

.service-icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  margin-bottom: var(--space-5);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand-50) 0%, var(--brand-100) 100%);
  color: var(--brand-700);
  transition: transform var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
}

.service-icon svg {
  width: 22px; height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card:hover .service-icon {
  transform: scale(1.05) rotate(-2deg);
  background: linear-gradient(135deg, var(--brand-100) 0%, var(--brand-200) 100%);
}

/* ---------- Steps grid ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.steps-grid article {
  position: relative;
  min-height: 260px;
  padding: var(--space-6);
  background: linear-gradient(180deg, var(--surface-0) 0%, var(--surface-1) 100%);
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.steps-grid article::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-500), var(--brand-700));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.steps-grid article:hover {
  transform: translateY(-3px);
  border-color: var(--brand-200);
}
.steps-grid article:hover::before { transform: scaleX(1); }

.steps-grid > article > span {
  display: inline-flex;
  margin-bottom: var(--space-7);
  color: var(--brand-700);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1;
}

/* ---------- Testimonial ---------- */
.testimonial { max-width: 920px; }

.testimonial blockquote {
  position: relative;
  color: var(--ink-0);
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.25;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.testimonial blockquote::before {
  content: "“";
  position: absolute;
  top: -0.4em;
  left: -0.5em;
  color: var(--brand-200);
  font-family: var(--font-display);
  font-size: 5em;
  line-height: 1;
  pointer-events: none;
}

.testimonial-meta {
  margin-top: var(--space-5);
  color: var(--ink-3);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0;
  color: var(--ink-inverse);
  background:
    radial-gradient(60% 100% at 80% 20%, rgba(37, 99, 235, 0.35), transparent 60%),
    radial-gradient(50% 80% at 20% 80%, rgba(15, 118, 110, 0.18), transparent 60%),
    var(--surface-inverse);
  isolation: isolate;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000, transparent 75%);
  pointer-events: none;
}

.final-cta h2 {
  max-width: 720px;
  color: var(--ink-inverse);
}

.final-cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.final-cta .button-primary {
  background: var(--ink-inverse);
  border-color: var(--ink-inverse);
  color: var(--ink-0);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.final-cta .button-primary:hover,
.final-cta .button-primary:focus-visible {
  background: var(--brand-50);
  border-color: var(--brand-50);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: var(--space-9) 0 var(--space-6);
  background: var(--surface-0);
  border-top: 1px solid var(--line-1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.8fr 0.6fr;
  gap: var(--space-7);
}

.footer-brand { margin-bottom: var(--space-4); }

.footer-grid h3 {
  margin: 0 0 var(--space-3);
  color: var(--ink-0);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.footer-grid a:not(.brand),
.footer-grid span {
  display: block;
  margin-top: var(--space-2);
  color: var(--ink-2);
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-grid a:not(.brand):hover,
.footer-grid a:not(.brand):focus-visible {
  color: var(--brand-600);
}

.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line-1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  color: var(--ink-3);
  font-size: var(--text-xs);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-10) 0 var(--space-9);
  background: var(--surface-0);
  border-bottom: 1px solid var(--line-1);
  isolation: isolate;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(8, 24, 47, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 24, 47, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55%;
  height: 120%;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.page-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 0.45fr;
  gap: var(--space-8);
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(36px, 4.5vw, 60px);
  max-width: 820px;
}

.page-hero p {
  color: var(--ink-2);
  font-size: var(--text-lg);
  line-height: 1.55;
  max-width: 420px;
}

/* ---------- Detail cards (services page) ---------- */
.detail-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.detail-card {
  padding: var(--space-6);
  min-height: 340px;
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.detail-card ul {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.detail-card li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--ink-2);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.detail-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 12px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%231d4ed8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='2.5 6.5 5 9 9.5 3.5'/></svg>");
  background-repeat: no-repeat;
  background-size: contain;
}

/* ---------- Integration map ---------- */
.integration-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.integration-map span {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 96px;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  background: var(--surface-0);
  color: var(--ink-0);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.integration-map span:hover {
  transform: translateY(-3px);
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
}

/* ---------- About ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: var(--space-8);
}

.about-statement h2 { max-width: 580px; }

.about-copy {
  display: grid;
  gap: var(--space-4);
  font-size: var(--text-lg);
  line-height: 1.65;
}

/* ---------- Values grid ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.values-grid article {
  min-height: 280px;
  padding: var(--space-6);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: var(--space-5);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-7);
}

.form-row { display: grid; gap: var(--space-2); }

.form-row label {
  color: var(--ink-0);
  font-weight: 600;
  font-size: var(--text-sm);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-sm);
  background: var(--surface-0);
  color: var(--ink-0);
  padding: 13px 14px;
  font-size: var(--text-base);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.contact-form input:hover,
.contact-form textarea:hover,
.contact-form select:hover { border-color: var(--line-2); }

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.contact-form input[aria-invalid="true"],
.contact-form textarea[aria-invalid="true"],
.contact-form select[aria-invalid="true"] {
  border-color: #dc2626;
}

.contact-form input[aria-invalid="true"]:focus,
.contact-form textarea[aria-invalid="true"]:focus,
.contact-form select[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.14);
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}

.form-status {
  min-height: 24px;
  padding: 0;
  color: var(--ink-2);
  font-size: var(--text-sm);
}

.form-status[data-state="error"] { color: #b91c1c; }
.form-status[data-state="success"] { color: #15803d; }

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-required-note,
.form-legal {
  margin: 0;
  color: var(--ink-3);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.form-submit {
  justify-self: start;
  cursor: pointer;
}

.contact-aside {
  padding: var(--space-6);
  background: linear-gradient(180deg, var(--surface-0) 0%, var(--surface-1) 100%);
}

.contact-aside h2 {
  font-size: var(--text-3xl);
}

.contact-aside .aside-list { margin-top: var(--space-6); }

.contact-aside .aside-mail {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  color: var(--brand-700);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.contact-aside .aside-mail:hover,
.contact-aside .aside-mail:focus-visible {
  color: var(--brand-700);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1060px) {
  .hero-content h1, .page-hero h1 { font-size: clamp(36px, 5.8vw, 54px); }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: var(--space-7);
    min-height: auto;
    padding: var(--space-9) 0 var(--space-8);
  }

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

  .trust-grid > div {
    border-bottom: 1px solid var(--line-1);
  }

  .detail-card-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-grid,
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card.is-tall { grid-row: auto; }

  .split-section,
  .solution-band,
  .no-limit,
  .operating-model,
  .about-layout,
  .page-hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

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

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (max-width: 760px) {
  :root { --gutter: 20px; }

  .container,
  .nav-shell {
    width: min(100% - var(--space-4), var(--max-width));
  }

  .nav-shell { height: 64px; }
  :root { --header-height: 64px; }

  .nav-toggle { display: block; }

  .nav-links {
    position: fixed;
    inset: var(--header-height) 12px auto 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3);
    border: 1px solid var(--line-1);
    border-radius: var(--radius-md);
    background: var(--surface-0);
    box-shadow: var(--shadow-lg);
  }

  body.nav-open .nav-links { display: flex; }

  .nav-links a:not(.nav-cta) {
    padding: var(--space-3);
    border-radius: var(--radius-sm);
  }
  .nav-links a:not(.nav-cta)::after { display: none; }

  .nav-cta {
    margin-top: var(--space-2);
    text-align: center;
  }

  .hero-layout { padding: var(--space-8) 0 var(--space-7); }
  .hero-copy { font-size: var(--text-lg); }
  .hero-visual { max-width: 360px; }

  .hero-actions { align-items: stretch; }
  .button { width: 100%; }

  .section, .final-cta { padding: var(--space-8) 0; }

  h2 { font-size: var(--text-3xl); }
  .contact-aside h2 { font-size: var(--text-2xl); }

  .trust-grid,
  .problem-grid,
  .service-grid,
  .steps-grid,
  .detail-card-grid,
  .integration-map,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid > div { border-right: 0; }

  .service-card.is-wide,
  .service-card.is-tall {
    grid-column: auto;
    grid-row: auto;
  }

  .solution-band,
  .no-limit,
  .operating-model {
    padding: var(--space-6);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .page-hero {
    padding: var(--space-8) 0 var(--space-7);
  }

  .contact-form,
  .contact-aside {
    padding: var(--space-5);
  }

  .form-submit { width: 100%; }
}

@media (max-width: 430px) {
  .brand-name {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .final-cta, .hero-visual { display: none; }
  body { color: #000; background: #fff; }
}