@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: light;
  --bg: #fcfcfa;
  --bg-alt: #f4f4f0;
  --bg-dark: #0b0f0d;
  --bg-card: #f7f7f4;
  --ink: #111714;
  --ink-secondary: #4a524d;
  --ink-muted: #7a847d;
  --ink-faint: #a3aba6;
  --line: #e2e4de;
  --line-subtle: #eeefe9;
  --accent: #4a7c3f;
  --accent-light: #e4f0df;
  --accent-glow: rgba(74, 124, 63, .12);
  --hero-bg: #0b0f0d;
  --hero-ink: #f0f2ed;
  --hero-muted: #9da69e;
  --hero-line: rgba(255, 255, 255, .08);
  --hero-accent: #8bc573;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --radius: 8px;
  --radius-lg: 16px;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--bg); }
a { color: inherit; text-decoration: none; }
button, select, input, textarea { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
::selection { color: #fff; background: var(--accent); }
img { display: block; max-width: 100%; }

.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;
}
.skip-link {
  position: fixed; z-index: 20; top: 10px; left: 10px; padding: 12px 16px;
  color: #fff; background: var(--accent); border-radius: var(--radius);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
.section-wrap { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.error-page { padding-block: 18vh; text-align: center; }
.error-page h1 { margin: 0 0 28px; font-size: clamp(42px, 8vw, 72px); font-weight: 700; letter-spacing: -.04em; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed; z-index: 10; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; padding-inline: max(40px, calc((100vw - 1200px) / 2));
  background: rgba(252, 252, 250, .85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-subtle);
  transition: background .3s var(--ease);
}
.hero-context .site-header {
  background: rgba(11, 15, 13, .8);
  border-bottom-color: var(--hero-line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { position: relative; display: inline-block; width: 24px; height: 24px; }
.brand-mark::before, .brand-mark::after, .brand-mark span {
  position: absolute; display: block; content: "";
  width: 11px; height: 11px; border: 2px solid var(--ink); transform: rotate(45deg);
}
.brand-mark::before { top: 1px; left: 1px; }
.brand-mark::after { right: 1px; bottom: 1px; }
.brand-mark span:first-child { top: 1px; right: 1px; border-left: 0; border-bottom: 0; }
.brand-mark span:last-child { bottom: 1px; left: 1px; border-top: 0; border-right: 0; }
.brand-name { font-size: 22px; font-weight: 800; letter-spacing: -.06em; }
.brand-period { color: var(--accent); }

.main-nav { display: flex; align-items: center; gap: 36px; margin-left: 56px; }
.main-nav a, .mobile-nav a {
  color: var(--ink-muted); font-size: 14px; font-weight: 500; letter-spacing: -.01em;
  transition: color .2s var(--ease);
}
.main-nav a:hover, .mobile-nav a:hover { color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.language-picker select {
  appearance: none; padding: 6px 20px 6px 8px; border: 0;
  color: var(--ink-muted); background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='m1 1 4 4 4-4' fill='none' stroke='%237a847d' stroke-width='1.5'/%3E%3C/svg%3E") right center / 9px no-repeat;
  font-family: var(--mono); font-size: 11px; font-weight: 500; cursor: pointer;
}

.button {
  display: inline-flex; min-height: 52px; align-items: center; justify-content: center;
  gap: 10px; padding: 0 28px; border: 1px solid transparent; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; letter-spacing: -.01em;
  transition: all .25s var(--ease);
}
.button:hover { transform: translateY(-1px); }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { background: #1e2824; box-shadow: 0 4px 16px rgba(0,0,0,.15); }
.button-outline { border-color: var(--line); background: transparent; color: var(--ink); }
.button-outline:hover { border-color: var(--ink-muted); background: var(--bg-alt); }
.button-small { min-height: 40px; padding-inline: 18px; font-size: 13px; }
.button-accent { color: #fff; background: var(--accent); }
.button-accent:hover { background: #3d6935; box-shadow: 0 4px 16px var(--accent-glow); }
.arrow { font-size: 15px; font-weight: 400; line-height: 1; }
.menu-toggle, .mobile-nav { display: none; }

/* ── Hero (dark) ────────────────────────────────────────────── */
.hero {
  position: relative; display: grid; min-height: 100vh;
  grid-template-columns: 1.1fr .9fr; align-items: center;
  padding-top: 72px; background: var(--hero-bg); color: var(--hero-ink);
  overflow: hidden;
}
.hero .section-wrap {
  display: contents;
}
.hero-copy { position: relative; z-index: 2; padding: 80px 0 80px max(40px, calc((100vw - 1200px) / 2)); }
.eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 28px;
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--hero-accent);
  box-shadow: 0 0 0 4px rgba(139, 197, 115, .2);
}
.hero .eyebrow { color: var(--hero-muted); }
.hero h1 {
  max-width: 640px; margin: 0;
  font-size: clamp(52px, 6vw, 84px); font-weight: 700;
  letter-spacing: -.04em; line-height: 1.05;
}
.hero h1 span { color: var(--hero-accent); }
.hero-description {
  max-width: 480px; margin: 28px 0 40px;
  color: var(--hero-muted); font-size: 18px; line-height: 1.7; font-weight: 400;
}
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero .button-dark { color: var(--ink); background: #fff; }
.hero .button-dark:hover { background: #f0f0ec; }
.hero .button-outline { color: var(--hero-muted); border-color: rgba(255,255,255,.15); }
.hero .button-outline:hover { color: #fff; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.05); }
.hero-note { margin: 24px 0 0; color: rgba(255,255,255,.3); font-size: 13px; font-weight: 400; }

/* Hero art */
.hero-art {
  position: relative; width: 100%; height: 100%; min-height: 560px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.orbit {
  position: absolute; top: 50%; left: 50%; border: 1px solid var(--hero-line);
  border-radius: 50%; transform: translate(-50%, -50%) rotate(-24deg);
}
.orbit-one { width: 480px; height: 320px; animation: orbit-spin 60s linear infinite; }
.orbit-two { width: 360px; height: 460px; transform: translate(-50%, -50%) rotate(53deg); animation: orbit-spin-alt 80s linear infinite; }
.art-label {
  position: absolute; top: 24px; right: 24px; display: flex; align-items: center;
  gap: 8px; color: rgba(255,255,255,.25); font: 10px var(--mono); letter-spacing: .08em;
}
.status-pip { width: 6px; height: 6px; border-radius: 50%; background: var(--hero-accent); animation: pulse 2.5s ease infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes float-alt { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-8px) rotate(-2deg); } }
@keyframes orbit-spin { from { transform: translate(-50%, -50%) rotate(-24deg); } to { transform: translate(-50%, -50%) rotate(336deg); } }
@keyframes orbit-spin-alt { from { transform: translate(-50%, -50%) rotate(53deg); } to { transform: translate(-50%, -50%) rotate(413deg); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
.flow-card {
  position: relative; z-index: 2; width: 280px; padding: 24px;
  border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-lg);
  background: rgba(255,255,255,.04); backdrop-filter: blur(20px);
  box-shadow: 0 24px 80px rgba(0,0,0,.3);
  transform: rotate(-2deg);
  animation: float-alt 6s ease-in-out infinite;
}
.flow-card-main { /* centered by hero-art flexbox */ }
.flow-card-heading {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,.45); font: 9px var(--mono); letter-spacing: .07em;
}
.flow-icon {
  display: grid; width: 22px; height: 22px; place-items: center;
  color: #fff; background: var(--accent); border-radius: 4px;
  font-size: 13px; font-weight: 800;
}
.flow-menu { margin-left: auto; letter-spacing: 2px; }
.flow-title { margin: 20px 0 14px; font-size: 15px; font-weight: 700; letter-spacing: -.02em; color: #fff; }
.flow-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-top: 1px solid rgba(255,255,255,.06);
  color: rgba(255,255,255,.5); font-size: 12px;
}
.flow-value {
  display: grid; width: 22px; height: 22px; place-items: center; border-radius: 50%;
  color: var(--hero-accent); background: rgba(139, 197, 115, .1); font-size: 12px;
}
.flow-bars {
  display: flex; height: 52px; align-items: end; gap: 4px; margin-top: 16px;
  padding: 0 2px 4px; border-bottom: 1px solid rgba(255,255,255,.06);
}
.flow-bars i { flex: 1; border-radius: 2px 2px 0 0; background: rgba(139, 197, 115, .25); }
.flow-bars i:nth-child(3n) { background: var(--hero-accent); opacity: .6; }
.flow-bars i:nth-child(1) { height: 38%; }.flow-bars i:nth-child(2) { height: 62%; }
.flow-bars i:nth-child(3) { height: 48%; }.flow-bars i:nth-child(4) { height: 72%; }
.flow-bars i:nth-child(5) { height: 57%; }.flow-bars i:nth-child(6) { height: 80%; }
.flow-bars i:nth-child(7) { height: 68%; }.flow-bars i:nth-child(8) { height: 91%; }
.flow-bars i:nth-child(9) { height: 73%; }.flow-bars i:nth-child(10) { height: 100%; }
.flow-bars i:nth-child(11) { height: 84%; }.flow-bars i:nth-child(12) { height: 95%; }
.flow-footnote { margin-top: 10px; color: rgba(255,255,255,.2); font-size: 9px; text-align: right; }

.flow-node {
  position: absolute; z-index: 3; display: flex; min-width: 110px;
  align-items: center; gap: 9px; padding: 10px 14px;
  border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius);
  background: rgba(255,255,255,.03); backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  color: rgba(255,255,255,.6); font-size: 11px; font-weight: 600;
}
.node-symbol {
  display: grid; width: 24px; height: 24px; place-items: center;
  background: rgba(139,197,115,.1); border-radius: 6px;
  color: var(--hero-accent); font-size: 14px;
}
.node-top { top: 80px; left: 42%; transform: translateX(-50%) rotate(2deg); animation: float 5s ease-in-out 0.5s infinite; }
.node-right { top: 46%; right: 24px; transform: rotate(2deg); animation: float 5s ease-in-out 1.5s infinite; }
.node-bottom { bottom: 64px; left: 38%; transform: translateX(-50%) rotate(-2deg); animation: float 5s ease-in-out 2.5s infinite; }
.art-stamp {
  position: absolute; right: 32px; bottom: 24px; display: flex; align-items: center;
  gap: 8px; color: rgba(255,255,255,.15); font: 9px var(--mono); line-height: 1.5; letter-spacing: .06em;
}
.art-stamp > span:first-child {
  display: grid; width: 28px; height: 28px; place-items: center;
  border: 1px solid rgba(255,255,255,.1); border-radius: 50%;
  font: 13px var(--font); color: rgba(255,255,255,.3);
}
.hero-bottom {
  position: absolute; right: max(40px, calc((100vw - 1200px) / 2));
  bottom: 32px; left: max(40px, calc((100vw - 1200px) / 2));
  display: flex; justify-content: space-between;
  color: rgba(255,255,255,.18); font: 9px var(--mono); letter-spacing: .12em;
}

/* ── Intro band ─────────────────────────────────────────────── */
.intro-band { padding: 100px 0; background: var(--bg); }
.intro-inner {
  display: grid; grid-template-columns: auto 1fr 1fr;
  align-items: center; gap: 48px;
}
.eyebrow-light { color: var(--ink-muted); }
.intro-statement {
  max-width: 520px; margin: 0;
  font-size: clamp(28px, 3.2vw, 42px); font-weight: 600;
  letter-spacing: -.03em; line-height: 1.3;
}
.intro-statement em { color: var(--accent); font-style: normal; }
.intro-copy { max-width: 400px; margin: 0; color: var(--ink-secondary); font-size: 16px; line-height: 1.8; }

/* ── Section headings ───────────────────────────────────────── */
.section-heading {
  display: flex; align-items: end; justify-content: space-between;
  gap: 48px; margin-bottom: 48px;
}
.section-heading .eyebrow { margin-bottom: 20px; color: var(--ink-muted); }
.section-heading h2, .process-intro h2, .contact-copy h2 {
  max-width: 700px; margin: 0;
  font-size: clamp(42px, 4.8vw, 64px); font-weight: 700;
  letter-spacing: -.04em; line-height: 1.1;
}
.section-heading h2 span, .process-intro h2 span, .contact-copy h2 span { color: var(--accent); }
.section-lead { max-width: 420px; margin: 0; color: var(--ink-secondary); font-size: 17px; line-height: 1.75; }

/* ── Sigma section ──────────────────────────────────────────── */
.sigma-section { padding-top: 120px; padding-bottom: 120px; }
.sigma-card {
  display: grid; grid-template-columns: 1.08fr .92fr;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-card);
}
.sigma-card-content { padding: clamp(36px, 5vw, 64px); }
.product-tag {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-muted); font: 10px var(--mono); letter-spacing: .08em;
}
.sigma-symbol {
  display: grid; width: 28px; height: 28px; place-items: center;
  color: #fff; background: var(--accent); border-radius: 6px;
  font: 16px var(--font); font-weight: 800;
}
.sigma-card h3 {
  margin: 36px 0 16px;
  font-size: clamp(30px, 3.2vw, 44px); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.15;
}
.sigma-card-content > p:not(.offer-detail) {
  max-width: 480px; margin: 0; color: var(--ink-secondary); font-size: 16px; line-height: 1.8;
}
.check-list { display: grid; gap: 14px; margin: 28px 0 32px; padding: 0; list-style: none; }
.check-list li {
  display: flex; align-items: start; gap: 12px;
  color: var(--ink-secondary); font-size: 15px; line-height: 1.65;
}
.check-list li > span:first-child {
  display: grid; width: 20px; height: 20px; flex-shrink: 0; place-items: center;
  color: var(--accent); font-size: 12px; margin-top: 2px;
}
.sigma-offer {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink); font-size: 15px; font-weight: 700;
}
.offer-star { color: var(--accent); font-size: 18px; }
.offer-detail {
  max-width: 460px; margin: 8px 0 24px 30px;
  color: var(--ink-muted); font-size: 14px; line-height: 1.7;
}
.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding-bottom: 4px; border-bottom: 1px solid var(--line);
  color: var(--ink); font-size: 15px; font-weight: 600;
  transition: border-color .2s var(--ease), gap .2s var(--ease);
}
.text-link:hover { border-color: var(--accent); gap: 12px; }
.text-link span:last-child { font-size: 15px; font-weight: 400; transition: transform .2s var(--ease); }
.text-link:hover span:last-child { transform: translate(3px, -2px); }

.sigma-card-visual {
  position: relative; display: grid; min-height: 480px; overflow: hidden;
  place-items: center; color: #fff; background: var(--hero-bg);
}
.visual-grid {
  position: absolute; inset: 0; opacity: .06;
  background-image: linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, #000 10%, transparent 76%);
}
.visual-orbit { position: absolute; top: 48%; left: 50%; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; transform: translate(-50%,-50%); }
.visual-orbit-a { width: 320px; height: 320px; }
.visual-orbit-b { width: 240px; height: 430px; transform: translate(-50%,-50%) rotate(55deg); }
.visual-center {
  position: relative; z-index: 2; display: flex; width: 140px; height: 140px;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  border: 1px solid rgba(255,255,255,.1); border-radius: 50%;
  background: rgba(255,255,255,.03); backdrop-filter: blur(20px);
  box-shadow: 0 0 0 12px rgba(139,197,115,.04), 0 0 80px rgba(139,197,115,.08);
}
.visual-center span { color: var(--hero-accent); font-size: 50px; font-weight: 700; line-height: 1; }
.visual-center small { color: rgba(255,255,255,.5); font: 9px var(--mono); letter-spacing: .16em; }
.visual-chip {
  position: absolute; z-index: 3; padding: 8px 14px; border-radius: 6px;
  border: 1px solid rgba(255,255,255,.06); background: rgba(255,255,255,.03);
  backdrop-filter: blur(8px); color: rgba(255,255,255,.6);
  font: 9px var(--mono); letter-spacing: .08em;
}
.chip-a { top: 22%; left: 25%; }.chip-b { top: 50%; right: 9%; }.chip-c { bottom: 21%; left: 18%; }
.visual-caption { position: absolute; right: 24px; bottom: 24px; color: rgba(255,255,255,.2); font: 9px var(--mono); letter-spacing: .1em; }
.sigma-footnote { margin-top: 16px; color: var(--ink-faint); font-size: 12px; line-height: 1.6; }

/* ── Solutions ──────────────────────────────────────────────── */
.solutions-section { padding-block: 120px; background: var(--bg-alt); }
.solutions-heading { align-items: end; }
.solutions-heading h2 { max-width: 640px; }
.solutions-heading h2 span { color: var(--accent); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.service-card {
  position: relative; min-height: 300px; padding: 28px 24px 32px;
  background: var(--bg); transition: background .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.service-card:hover { background: #fff; transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.06); }
.service-featured { background: var(--accent-light); }
.service-featured:hover { background: #daebd4; }
.service-number { color: var(--ink-faint); font: 10px var(--mono); }
.service-symbol {
  display: grid; width: 48px; height: 48px; margin-top: 32px; place-items: center;
  border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--accent); font-size: 20px;
  transition: border-color .2s var(--ease);
}
.service-card:hover .service-symbol { border-color: var(--accent); }
.service-card h3 {
  max-width: 240px; margin: 20px 0 10px;
  font-size: 18px; font-weight: 700; letter-spacing: -.02em; line-height: 1.35;
}
.service-card p { max-width: 260px; margin: 0; color: var(--ink-secondary); font-size: 14px; line-height: 1.75; }
.service-arrow {
  position: absolute; right: 24px; bottom: 28px;
  color: var(--ink-faint); font-size: 18px;
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.service-card:hover .service-arrow { color: var(--accent); transform: translate(2px, -2px); }
.industry-note { display: flex; align-items: start; gap: 14px; max-width: 800px; margin: 28px 0 0 auto; }
.industry-mark {
  display: grid; width: 24px; height: 24px; flex: 0 0 auto; place-items: center;
  border-radius: 50%; color: #fff; background: var(--accent); font-size: 12px;
}
.industry-note p { margin: 2px 0 0; color: var(--ink-muted); font-size: 14px; line-height: 1.7; }

/* ── Process ────────────────────────────────────────────────── */
.process-section {
  display: grid; grid-template-columns: .88fr 1.12fr; gap: 100px;
  padding-top: 128px; padding-bottom: 128px;
}
.process-intro .eyebrow { margin-bottom: 24px; color: var(--ink-muted); }
.process-intro h2 { font-size: clamp(42px, 4.8vw, 62px); }
.process-intro > p:not(.eyebrow) {
  max-width: 400px; margin: 24px 0 28px;
  color: var(--ink-secondary); font-size: 17px; line-height: 1.75;
}
.process-steps { margin: 0; padding: 0; list-style: none; }
.process-steps li {
  display: grid; grid-template-columns: 40px 1fr 36px; gap: 16px;
  align-items: start; padding: 28px 12px;
  border-top: 1px solid var(--line); border-radius: var(--radius);
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}
.process-steps li:hover { background: var(--bg-alt); padding-left: 20px; }
.process-steps li:last-child { border-bottom: 1px solid var(--line); }
.step-index { padding-top: 4px; color: var(--ink-faint); font: 11px var(--mono); }
.process-steps h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.process-steps p { max-width: 420px; margin: 0; color: var(--ink-secondary); font-size: 15px; line-height: 1.7; }
.step-symbol { color: var(--accent); font-size: 20px; text-align: right; }

/* ── Experience band ────────────────────────────────────────── */
.experience-band { color: #fff; background: var(--hero-bg); }
.experience-inner {
  display: grid; min-height: 200px; grid-template-columns: 60px 1fr auto;
  align-items: center; gap: 32px;
}
.experience-icon {
  position: relative; display: grid; width: 56px; height: 56px; place-items: center;
  border: 1px solid rgba(255,255,255,.12); border-radius: 50%;
  color: var(--hero-accent); font-size: 22px; font-weight: 800;
}
.experience-icon > span { position: absolute; right: 3px; bottom: 2px; font-size: 10px; }
.experience-inner .eyebrow { margin-bottom: 12px; color: rgba(255,255,255,.4); }
.experience-copy { max-width: 720px; margin: 0; color: rgba(255,255,255,.7); font-size: 18px; line-height: 1.7; }
.experience-note { color: rgba(255,255,255,.25); font: 9px var(--mono); letter-spacing: .12em; line-height: 1.7; text-align: right; }

/* ── Contact ────────────────────────────────────────────────── */
.contact-section {
  display: grid; grid-template-columns: 1fr .85fr; gap: 100px;
  padding-top: 128px; padding-bottom: 128px;
}
.contact-copy .eyebrow { color: var(--ink-muted); }
.contact-copy h2 { max-width: 520px; }
.contact-copy > p:not(.eyebrow) {
  max-width: 480px; margin: 24px 0 36px;
  color: var(--ink-secondary); font-size: 17px; line-height: 1.75;
}
.contact-option {
  display: grid; grid-template-columns: 36px 1fr auto; gap: 14px;
  align-items: start; max-width: 520px; padding-top: 24px;
  border-top: 1px solid var(--line);
}
.option-icon {
  display: grid; width: 32px; height: 32px; place-items: center;
  background: var(--accent-light); border-radius: var(--radius);
  color: var(--accent); font-size: 16px;
}
.contact-option h3 { margin: 2px 0 6px; font-size: 16px; font-weight: 700; }
.contact-option p { margin: 0; color: var(--ink-muted); font-size: 14px; line-height: 1.65; }
.option-pending {
  padding: 6px 10px; border-radius: 4px;
  color: var(--ink-muted); background: var(--bg-alt);
  font: 9px var(--mono); letter-spacing: .06em;
}
.booking-link {
  padding: 8px 12px; border-radius: 4px;
  color: #fff; background: var(--accent);
  font-size: 11px; font-weight: 700;
}
.contact-form-wrap {
  padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff;
}
.form-heading {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; font-size: 22px; font-weight: 700; letter-spacing: -.02em;
}
.form-mark { color: var(--accent); font-size: 20px; font-weight: 400; }
.form-pending { margin: 0 0 20px; color: var(--ink-muted); font-size: 14px; line-height: 1.7; }
.contact-form-wrap form { display: grid; }
.contact-form-wrap label { margin: 0 0 6px; color: var(--ink-secondary); font-size: 13px; font-weight: 600; }
.contact-form-wrap input, .contact-form-wrap textarea {
  width: 100%; min-height: 48px; margin-bottom: 16px; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--ink); background: var(--bg); font-size: 15px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.contact-form-wrap input:focus, .contact-form-wrap textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.contact-form-wrap textarea { resize: vertical; }
.contact-form-wrap input:disabled, .contact-form-wrap textarea:disabled { opacity: .5; cursor: not-allowed; }
.contact-form-wrap input::placeholder, .contact-form-wrap textarea::placeholder { color: var(--ink-faint); }
.form-submit { width: 100%; justify-content: center; margin-top: 4px; border-radius: var(--radius); }
.form-submit:disabled { color: var(--ink-muted); background: var(--line); cursor: not-allowed; transform: none; }
.form-privacy { margin: 14px 0 0; color: var(--ink-faint); font-size: 11px; line-height: 1.6; }
.form-privacy a { color: var(--ink-muted); text-decoration: underline; text-underline-offset: 2px; }
.form-status { margin: 0 0 16px; color: var(--accent); font-size: 13px; line-height: 1.6; }
.form-status[data-state="error"] { color: #b5403a; }
.honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer { color: rgba(255,255,255,.7); background: var(--hero-bg); }
.footer-main {
  display: flex; min-height: 120px; align-items: center; justify-content: space-between;
  gap: 20px; border-bottom: 1px solid rgba(255,255,255,.06);
}
.brand-footer .brand-mark::before, .brand-footer .brand-mark::after, .brand-footer .brand-mark span { border-color: rgba(255,255,255,.7); }
.brand-footer .brand-mark span:first-child { border-left: 0; border-bottom: 0; }
.brand-footer .brand-mark span:last-child { border-top: 0; border-right: 0; }
.brand-footer .brand-name { color: rgba(255,255,255,.9); }
.brand-footer .brand-period { color: var(--hero-accent); }
.footer-main > p { margin: 0; color: rgba(255,255,255,.4); font-size: 14px; }
.footer-top { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.4); font-size: 12px; }
.footer-top:hover { color: rgba(255,255,255,.7); }
.footer-top span:last-child { color: var(--hero-accent); font-size: 18px; }
.footer-bottom {
  display: flex; min-height: 56px; align-items: center; justify-content: space-between;
  gap: 20px; color: rgba(255,255,255,.2); font: 10px var(--mono); letter-spacing: .06em;
}
.footer-bottom a { color: rgba(255,255,255,.35); transition: color .2s; }
.footer-bottom a:hover { color: rgba(255,255,255,.6); }

/* ── Scroll animations ──────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

.reveal.is-visible .service-card { opacity: 0; transform: translateY(20px); animation: card-in .6s var(--ease) forwards; }
.reveal.is-visible .service-card:nth-child(1) { animation-delay: .05s; }
.reveal.is-visible .service-card:nth-child(2) { animation-delay: .15s; }
.reveal.is-visible .service-card:nth-child(3) { animation-delay: .25s; }
.reveal.is-visible .service-card:nth-child(4) { animation-delay: .35s; }
@keyframes card-in { to { opacity: 1; transform: translateY(0); } }

.reveal.is-visible .process-steps li { opacity: 0; transform: translateX(-16px); animation: step-in .5s var(--ease) forwards; }
.reveal.is-visible .process-steps li:nth-child(1) { animation-delay: .1s; }
.reveal.is-visible .process-steps li:nth-child(2) { animation-delay: .2s; }
.reveal.is-visible .process-steps li:nth-child(3) { animation-delay: .3s; }
.reveal.is-visible .process-steps li:nth-child(4) { animation-delay: .4s; }
@keyframes step-in { to { opacity: 1; transform: translateX(0); } }

.reveal.is-visible .check-list li { opacity: 0; animation: fade-up .5s var(--ease) forwards; }
.reveal.is-visible .check-list li:nth-child(1) { animation-delay: .15s; }
.reveal.is-visible .check-list li:nth-child(2) { animation-delay: .25s; }
.reveal.is-visible .check-list li:nth-child(3) { animation-delay: .35s; }
@keyframes fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.hero-copy { animation: hero-fade-in .9s var(--ease) both .2s; }
.hero-art { animation: hero-fade-in .9s var(--ease) both .5s; }
@keyframes hero-fade-in { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .section-wrap { width: min(100% - 48px, 800px); }
  .site-header { padding-inline: 24px; }
  .main-nav { gap: 24px; margin-left: 24px; }
  .hero { min-height: auto; grid-template-columns: 1fr .85fr; }
  .hero-copy { padding: 80px 0 80px 24px; }
  .hero-art { min-height: 440px; }
  .intro-inner { grid-template-columns: 1fr 1.5fr; gap: 20px 40px; }
  .intro-copy { grid-column: 2; }
  .sigma-section, .solutions-section { padding-block: 96px; }
  .process-section, .contact-section { padding-block: 96px; gap: 56px; }
  .service-card { padding-inline: 18px; }
}

@media (max-width: 768px) {
  .section-wrap { width: calc(100% - 40px); }
  .site-header {
    height: 64px; padding-inline: 20px;
    background: rgba(252, 252, 250, .92);
  }
  .brand-name { font-size: 20px; }
  .main-nav, .header-cta { display: none; }
  .header-actions { gap: 14px; }
  .menu-toggle {
    display: flex; width: 36px; height: 36px; flex-direction: column; align-items: center;
    justify-content: center; gap: 5px; padding: 0; border: 0;
    background: transparent; cursor: pointer;
  }
  .menu-toggle > span:not(.visually-hidden) {
    width: 20px; height: 1.5px; background: var(--ink); border-radius: 1px;
    transition: transform .2s var(--ease);
  }
  .menu-toggle[aria-expanded="true"] > span:nth-last-child(2) { transform: translateY(3.25px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .mobile-nav {
    position: fixed; z-index: 9; top: 64px; right: 0; left: 0;
    display: grid; padding: 0 20px 8px; border-bottom: 1px solid var(--line-subtle);
    background: rgba(252, 252, 250, .96); backdrop-filter: blur(12px);
  }
  .mobile-nav:not(.is-open) { display: none; }
  .mobile-nav a { padding: 16px 0; border-top: 1px solid var(--line-subtle); font-size: 14px; }

  .hero {
    display: flex; flex-direction: column; align-items: stretch;
    min-height: auto; padding-top: 64px;
  }
  .hero-copy { padding: 64px 20px 48px; }
  .hero h1 { max-width: 520px; font-size: clamp(42px, 11vw, 64px); }
  .hero-description { max-width: 460px; margin-block: 20px 28px; font-size: 16px; }
  .hero-actions .button { min-height: 48px; }
  .hero-art { width: 100%; min-height: 340px; }
  .flow-card { width: min(260px, 70vw); padding: 20px; }
  .orbit-one { width: 88%; height: 67%; }.orbit-two { width: 67%; height: 98%; }
  .node-top { top: 40px; left: 40%; }.node-right { right: 8px; }.node-bottom { bottom: 32px; left: 38%; }
  .art-label { top: 8px; right: 8px; font-size: 8px; }
  .art-stamp { right: 8px; bottom: 8px; }
  .hero-bottom { right: 20px; bottom: 16px; left: 20px; font-size: 8px; }

  .intro-band { padding: 72px 0; }
  .intro-inner { display: block; }
  .intro-statement { margin: 24px 0 16px; font-size: 30px; }
  .intro-copy { max-width: 480px; }

  .sigma-section, .solutions-section, .process-section, .contact-section { padding-block: 80px; }
  .section-heading { display: block; margin-bottom: 32px; }
  .section-heading h2, .process-intro h2, .contact-copy h2 { font-size: clamp(36px, 9vw, 52px); }
  .section-lead { max-width: 480px; margin-top: 18px; }

  .sigma-card { grid-template-columns: 1fr; }
  .sigma-card-content { padding: 32px 24px; }
  .sigma-card h3 { margin-top: 28px; }
  .sigma-card-visual { min-height: 320px; }
  .visual-orbit-a { width: 250px; height: 250px; }.visual-orbit-b { height: 320px; }

  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card { min-height: 260px; padding: 22px 18px 28px; }

  .process-section { display: block; }
  .process-intro { margin-bottom: 40px; }
  .process-steps li { grid-template-columns: 32px 1fr 28px; gap: 12px; }

  .experience-inner { grid-template-columns: 48px 1fr; gap: 20px; padding-block: 40px; }
  .experience-icon { width: 44px; height: 44px; font-size: 18px; }
  .experience-copy { font-size: 16px; }
  .experience-note { display: none; }

  .contact-section { display: block; }
  .contact-copy { margin-bottom: 36px; }
  .contact-form-wrap { padding: 24px 20px; }

  .footer-main { min-height: auto; flex-wrap: wrap; padding-block: 28px; gap: 12px 20px; }
  .footer-main > p { order: 3; width: 100%; }
  .footer-top { margin-left: auto; }
  .footer-bottom { min-height: auto; flex-wrap: wrap; padding-block: 20px; gap: 8px 16px; }
  .footer-bottom > span:last-child { order: 3; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .reveal { opacity: 1; transform: none; }
  .reveal.is-visible .service-card,
  .reveal.is-visible .process-steps li,
  .reveal.is-visible .check-list li { opacity: 1; transform: none; animation: none; }
  .hero-copy, .hero-art { animation: none; opacity: 1; transform: none; }
}