/* ============================================================
   Loyaltio — inspired by Adaline.ai
   Warm cream + elegant serif, with sustainability-tinted variant
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root {
  /* Default theme: Warm Cream (Adaline-faithful) */
  --bg: #f1ece4;
  --bg-elev: #ebe5da;
  --bg-soft: #e7e0d2;
  --ink: #1a1a1a;
  --ink-soft: #3d3a35;
  --ink-mute: #6b665d;
  --ink-faint: #9a948a;
  --line: rgba(26, 26, 26, 0.12);
  --line-soft: rgba(26, 26, 26, 0.06);
  --accent: #1a1a1a;
  --accent-ink: #f1ece4;
  --tag-bg: rgba(26, 26, 26, 0.06);

  --font-serif: 'Instrument Serif', 'Times New Roman', serif;
  --font-sans: 'Geist', 'Inter', system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;

  --container: 1240px;
  --gutter: 32px;
}

[data-theme="sage"] {
  --bg: #eef0e8;
  --bg-elev: #e6e9dc;
  --bg-soft: #dee2d0;
  --ink: #1c2218;
  --ink-soft: #3a4133;
  --ink-mute: #6a7060;
  --ink-faint: #969a89;
  --line: rgba(28, 34, 24, 0.13);
  --line-soft: rgba(28, 34, 24, 0.06);
  --accent: #2d4a2b;
  --accent-ink: #eef0e8;
  --tag-bg: rgba(45, 74, 43, 0.08);
}

[data-theme="ink"] {
  --bg: #14140f;
  --bg-elev: #1c1c16;
  --bg-soft: #25251e;
  --ink: #f1ece4;
  --ink-soft: #d6cfc2;
  --ink-mute: #9a948a;
  --ink-faint: #6b665d;
  --line: rgba(241, 236, 228, 0.12);
  --line-soft: rgba(241, 236, 228, 0.06);
  --accent: #f1ece4;
  --accent-ink: #14140f;
  --tag-bg: rgba(241, 236, 228, 0.08);
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  transition: background 0.6s ease, color 0.6s ease;
  -webkit-tap-highlight-color: transparent;
}

body { overflow-x: hidden; min-height: 100dvh; }

/* iOS form inputs ≥ 16px to suppress auto-zoom on focus */
input, textarea, select { font-size: 16px; }

::selection { background: var(--ink); color: var(--bg); }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  padding-left: max(var(--gutter), env(safe-area-inset-left));
  padding-right: max(var(--gutter), env(safe-area-inset-right));
}

/* ============ TYPOGRAPHY ============ */
.serif { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.02em; }
.mono  { font-family: var(--font-mono);  font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink);
  display: inline-block;
}

h1, h2, h3 { margin: 0; font-weight: 400; letter-spacing: -0.025em; line-height: 1.02; }

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  height: 22px;
  width: auto;
  display: block;
}
.logo path { fill: var(--ink); transition: fill 0.6s ease; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  border-radius: 100px;
  transition: background 0.2s ease, color 0.2s ease;
  position: relative;
}
.nav-link:hover { background: var(--tag-bg); color: var(--ink); }

.nav-cta { display: flex; align-items: center; gap: 8px; }

/* language switcher */
.nav-lang {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-right: 8px;
}
.nav-lang button {
  background: transparent;
  border: 0;
  padding: 6px 4px;
  font: inherit;
  letter-spacing: inherit;
  color: var(--ink-faint);
  cursor: pointer;
  border-radius: 4px;
  transition: color 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}
.nav-lang button:hover { color: var(--ink); }
.nav-lang button[aria-pressed="true"] { color: var(--ink); }
.nav-lang span { color: var(--ink-faint); opacity: 0.5; }

.nav-menu-lang {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-menu-lang button {
  background: transparent;
  border: 0;
  padding: 10px 0;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--ink-faint);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nav-menu-lang button[aria-pressed="true"] {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

/* hamburger button — hidden on desktop */
.nav-burger {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s, background 0.2s;
}
.nav-burger:active { background: var(--tag-bg); }
.nav-burger-bars {
  position: relative;
  width: 18px; height: 12px;
  display: block;
}
.nav-burger-bars span {
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.6, 0, 0.2, 1), top 0.3s 0.05s, opacity 0.2s;
}
.nav-burger-bars span:nth-child(1) { top: 2px; }
.nav-burger-bars span:nth-child(2) { top: 8px; }
.nav-burger[aria-expanded="true"] .nav-burger-bars span {
  top: 5px;
  transition: top 0.2s, transform 0.3s 0.15s cubic-bezier(0.6, 0, 0.2, 1);
}
.nav-burger[aria-expanded="true"] .nav-burger-bars span:nth-child(1) { transform: rotate(45deg); }
.nav-burger[aria-expanded="true"] .nav-burger-bars span:nth-child(2) { transform: rotate(-45deg); }

/* full-screen mobile menu overlay */
.nav-menu {
  position: fixed;
  inset: 0;
  z-index: 49;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: calc(64px + env(safe-area-inset-top)) var(--gutter) calc(48px + env(safe-area-inset-bottom));
  overflow-y: auto;
  display: none;
}
.nav-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}
.nav-menu-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 720px;
  margin: 0 auto;
  height: 100%;
  padding-top: 32px;
}
.nav-menu-link {
  font-family: var(--font-serif);
  font-size: clamp(36px, 9vw, 56px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  padding: 14px 0;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  display: block;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.nav-menu.is-open .nav-menu-link {
  opacity: 1;
  transform: translateY(0);
}
.nav-menu.is-open .nav-menu-link:nth-child(1) { transition-delay: 0.05s; }
.nav-menu.is-open .nav-menu-link:nth-child(2) { transition-delay: 0.10s; }
.nav-menu.is-open .nav-menu-link:nth-child(3) { transition-delay: 0.15s; }
.nav-menu.is-open .nav-menu-link:nth-child(4) { transition-delay: 0.20s; }
.nav-menu.is-open .nav-menu-link:nth-child(5) { transition-delay: 0.25s; }
.nav-menu-cta {
  margin-top: auto;
  align-self: flex-start;
  padding: 14px 22px;
  font-size: 0.95rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s 0.32s ease, transform 0.5s 0.32s ease;
}
.nav-menu.is-open .nav-menu-cta {
  opacity: 1;
  transform: translateY(0);
}

/* lock body scroll when menu open */
body.menu-open { overflow: hidden; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 100px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, var(--bg)); }

.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); background: var(--tag-bg); }

.btn-text { padding: 8px 0; color: var(--ink-soft); }
.btn-text:hover { color: var(--ink); }

.btn .arrow { width: 14px; height: 14px; transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translate(2px, -2px); }

/* ============ HERO ============ */
.hero { padding: 160px 0 100px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 64px; align-items: center; }
@media (min-width: 901px) {
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 72px; }
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(48px, 7.5vw, 108px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 14ch;
}
.hero h1 .italic { font-style: italic; color: var(--ink-mute); }
.hero h1 .word {
  display: inline-block;
  margin-right: 0.25em;
  opacity: 0;
  transform: translateY(28px);
  filter: blur(8px);
  animation: wordIn 1.1s cubic-bezier(0.2, 0.6, 0.2, 1) forwards;
}
@keyframes wordIn {
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.hero-sub {
  margin-top: 28px;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink-mute);
  max-width: 48ch;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1s 0.7s cubic-bezier(0.2, 0.6, 0.2, 1) forwards;
}
.hero-cta {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1s 0.85s cubic-bezier(0.2, 0.6, 0.2, 1) forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============ HERO VISUAL — IMPACT REPORT ============ */
.hero-visual {
  margin-top: 48px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  aspect-ratio: 16 / 9;
  opacity: 0;
  transform: translateY(20px) scale(0.99);
  animation: fadeUp 1.2s 1s cubic-bezier(0.2, 0.6, 0.2, 1) forwards;
  box-shadow: 0 1px 0 var(--line-soft), 0 30px 80px -40px rgba(0,0,0,0.25);
}

.report {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 280px 1fr;
  font-family: var(--font-sans);
}
.report-side {
  background: var(--bg-soft);
  border-right: 1px solid var(--line);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.report-side-h {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.report-side ul { list-style: none; padding: 0; margin: 8px 0 0; }
.report-side li {
  font-size: 0.82rem;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.2s;
}
.report-side li.active { background: var(--bg); color: var(--ink); font-weight: 500; }
.report-side li .dot { width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: 0.4; }
.report-side li.active .dot { opacity: 1; background: var(--accent); }
.report-side-foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.report-main {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow: hidden;
}
.report-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 18px;
}
.report-head-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.report-head-sub {
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin-top: 4px;
}
.report-head-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
}
.report-head-meta strong { color: var(--ink); display: block; font-size: 0.75rem; margin-top: 2px; }

.report-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg);
}
.kpi { padding: 14px 16px; border-right: 1px solid var(--line-soft); }
.kpi:last-child { border-right: none; }
.kpi-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.kpi-val {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  letter-spacing: -0.02em;
  margin-top: 4px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.kpi-val small {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-mute);
}
.kpi-spark {
  margin-top: 6px;
  height: 18px;
  width: 100%;
  display: block;
}
.kpi-spark path.line { fill: none; stroke: var(--ink-soft); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
.kpi-spark path.fill { fill: var(--tag-bg); stroke: none; }

.report-chart {
  flex: 1;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--bg);
  padding: 16px 18px 8px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.report-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.report-chart-head .legend { display: inline-flex; gap: 14px; }
.report-chart-head .legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.report-chart-head .legend i {
  width: 8px; height: 8px;
  border-radius: 2px;
  display: inline-block;
  font-style: normal;
}
.report-chart-svg { flex: 1; width: 100%; }

/* ============ INDUSTRIES ============ */
.trusted {
  padding: 60px 0 40px;
  border-top: 1px solid var(--line-soft);
}
.trusted-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 28px;
}
.industries-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 10px;
  max-width: 980px;
  margin: 0 auto;
}
.industry-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-soft);
}

/* ============ SECTION ============ */
.section {
  padding: 120px 0;
  border-top: 1px solid var(--line-soft);
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
  align-items: end;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  max-width: 14ch;
}
.section-head h2 .italic { font-style: italic; color: var(--ink-mute); }
.section-head p {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-mute);
  max-width: 44ch;
  margin: 0;
}
.section-eyebrow { margin-bottom: 24px; }

/* ============ PILLARS ============ */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.pillar {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  transition: background 0.3s ease;
  position: relative;
  cursor: default;
}
.pillar:hover { background: var(--bg-elev); }
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin-bottom: 80px;
}
.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.pillar-desc {
  font-size: 0.9rem;
  color: var(--ink-mute);
  line-height: 1.55;
  margin-bottom: 24px;
  flex: 1;
}
.pillar-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-soft);
}

.pillar-icon {
  position: absolute;
  top: 28px; right: 28px;
  width: 34px; height: 34px;
  color: var(--ink-soft);
}

/* ============ APPROACH ============ */
.approach-section { padding-top: 60px; padding-bottom: 60px; }
.approach {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.step {
  background: var(--bg);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
}
/* When the step count is odd, last step spans full row so there's no empty
   cell letting the gap-divider background bleed through. */
.step:last-child:nth-child(odd) { grid-column: 1 / -1; }
.step-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 3rem;
  letter-spacing: -0.02em;
  color: var(--ink-faint);
  line-height: 1;
}
.step h3 {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.step p { color: var(--ink-mute); font-size: 0.95rem; line-height: 1.55; margin: 0; }

/* ============ METRICS ============ */
.metrics-section { padding: 100px 0; border-top: 1px solid var(--line-soft); }
.metrics-section .section-head { margin-bottom: 48px; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.metric { padding: 40px 32px; border-right: 1px solid var(--line-soft); }
.metric:last-child { border-right: none; }
.metric-val {
  font-family: var(--font-serif);
  font-size: clamp(48px, 5.5vw, 80px);
  line-height: 1;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
}
.metric-val .unit { font-size: 0.45em; margin-left: 4px; color: var(--ink-mute); }
.metric-label {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--ink-mute);
  line-height: 1.5;
  max-width: 22ch;
}

/* ============ CASES ============ */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cases-cta {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: flex-end;
}
.cases-cta .btn-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.cases-cta .btn-text:hover .arrow { transform: translate(2px, -2px); }
.case {
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.4s cubic-bezier(0.2, 0.6, 0.2, 1), background 0.3s;
  min-height: 380px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.case:hover { transform: translateY(-4px); background: var(--bg-soft); }
.case-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.case-title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 18ch;
}
.case-desc { color: var(--ink-mute); font-size: 0.9rem; margin: 0; line-height: 1.55; }
.case-result {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.case-result-val {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}
.case-result-label { font-size: 0.82rem; color: var(--ink-mute); flex: 1; }
.case-arrow {
  position: absolute;
  top: 24px; right: 24px;
  width: 32px; height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.case:hover .case-arrow { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.case-visual {
  height: 130px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.case-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.case:hover .case-visual img { transform: scale(1.04); }
@media (hover: none) {
  .case:hover .case-visual img { transform: none; }
}

/* ============ VALUES ============ */
.testimonial { border-top: 1px solid var(--line-soft); padding: 100px 0; }
.t-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.t-card { display: flex; flex-direction: column; gap: 24px; }
.t-quote {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
  flex: 1;
  margin: 0;
}
.t-quote::before { content: "\201C"; }
.t-quote::after  { content: "\201D"; }
.t-author { display: flex; align-items: center; gap: 14px; }
.t-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink-soft);
  flex-shrink: 0;
}
.t-name { font-size: 0.9rem; font-weight: 500; }
.t-role { font-size: 0.78rem; color: var(--ink-mute); }

/* ============ CONTACT FORM ============ */
.contact {
  padding: 140px 0 120px;
  border-top: 1px solid var(--line-soft);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .contact { padding: 100px 0 80px; }
}

.contact-aside h2 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin: 24px 0 28px;
  max-width: 14ch;
}
.contact-aside h2 .italic { font-style: italic; color: var(--ink-mute); }

.contact-lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--ink-mute);
  max-width: 32ch;
  margin: 0 0 56px;
}

.contact-meta {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}
.contact-meta > div {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: baseline;
}
.contact-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}
.contact-meta dd { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }
.contact-meta a { transition: color 0.2s; }
.contact-meta a:hover { color: var(--ink); }

/* ---- form layout ---- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}

.form-topic {
  border: 0;
  padding: 0;
  margin: 0 0 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.form-topic legend {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 0;
  margin-bottom: 4px;
  transition: color 0.2s;
}
.form-topic.is-invalid legend { color: #b85a3a; }

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
@media (min-width: 600px) {
  .topic-grid { grid-template-columns: repeat(4, 1fr); }
}
.topic { position: relative; cursor: pointer; }
.topic input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.topic-label {
  display: block;
  text-align: center;
  padding: 14px 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all 0.2s ease;
}
.topic:hover .topic-label {
  border-color: var(--ink-soft);
  color: var(--ink);
}
.topic input:checked + .topic-label {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.topic input:focus-visible + .topic-label {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ---- floating-label fields ---- */
.field { position: relative; }
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 26px 0 10px;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}
.field textarea {
  min-height: 120px;
  line-height: 1.55;
  padding-top: 30px;
  font-family: var(--font-sans);
}

.field > label {
  position: absolute;
  left: 0;
  top: 26px;
  font-size: 1rem;
  color: var(--ink-mute);
  pointer-events: none;
  transition: top 0.18s ease, font-size 0.18s ease, letter-spacing 0.18s ease, color 0.18s ease;
}
.field > label .opt {
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-left: 6px;
  font-style: italic;
}

.field input:focus + label,
.field textarea:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:not(:placeholder-shown) + label {
  top: 0;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.field input:focus,
.field textarea:focus { border-bottom-color: var(--ink); }

.field.is-invalid input,
.field.is-invalid textarea { border-bottom-color: #b85a3a; }
.field.is-invalid > label { color: #b85a3a; }

.field-error {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: #b85a3a;
  min-height: 16px;
  margin-top: 6px;
}

.field-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 6px;
}
.field-counter {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* honeypot */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---- foot of form ---- */
.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.form-fineprint {
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin: 0;
  max-width: 36ch;
  line-height: 1.5;
}

.form-submit { position: relative; min-width: 180px; justify-content: center; }
.form-submit .form-spinner {
  position: absolute;
  width: 18px; height: 18px;
  opacity: 0;
  animation: spin 0.9s linear infinite;
}
.form-submit[aria-busy="true"] .form-submit-label,
.form-submit[aria-busy="true"] .arrow { opacity: 0; }
.form-submit[aria-busy="true"] .form-spinner { opacity: 1; }

@keyframes spin { to { transform: rotate(360deg); } }

/* error banner */
.form-error-banner {
  font-size: 0.85rem;
  color: #b85a3a;
  background: rgba(184, 90, 58, 0.06);
  border: 1px solid rgba(184, 90, 58, 0.18);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}
.form-error-banner a { border-bottom: 1px solid currentColor; }

/* success card */
.contact-form.is-success > *:not(.form-success) { display: none !important; }
.contact-form.is-success { padding: 16px 0; }
.form-success[hidden] { display: none !important; }
.form-success {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 0;
}
.form-success .check {
  width: 56px; height: 56px;
  color: var(--ink);
}
.form-success .check circle {
  stroke-dasharray: 164;
  stroke-dashoffset: 164;
  animation: draw 0.7s ease forwards;
}
.form-success .check path {
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: draw 0.4s 0.55s ease forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.form-success h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  letter-spacing: -0.02em;
}
.form-success p {
  color: var(--ink-mute);
  font-size: 1rem;
  max-width: 40ch;
}
.form-success a { border-bottom: 1px solid var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .form-success .check circle,
  .form-success .check path { animation: none; stroke-dashoffset: 0; }
  .form-submit .form-spinner { animation: none; }
  .field > label { transition: none; }
}

/* ============ FOOTER ============ */
.footer { padding: 80px 0 32px; border-top: 1px solid var(--line-soft); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 80px;
}
.footer-brand { padding-right: 32px; }
.footer-tag {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--ink-mute);
  max-width: 30ch;
  line-height: 1.55;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a, .footer-col li {
  font-size: 0.875rem;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--ink); }

.footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--ink-mute);
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}
.footer-base-links { display: flex; gap: 24px; }

/* ============ HUGE WORDMARK ============ */
.wordmark { padding: 60px 0 0; text-align: center; overflow: hidden; user-select: none; }
.wordmark-text {
  font-family: var(--font-serif);
  font-size: clamp(80px, 26vw, 420px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--ink);
  padding: 40px 0 0;
  text-align: center;
}
.wordmark-text .italic { font-style: italic; color: var(--ink-mute); }
.wordmark-tag {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ============ REVEAL ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s cubic-bezier(0.2, 0.6, 0.2, 1), transform 1s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */

/* Tablet & below — content stacks, dashboards simplify */
@media (max-width: 900px) {
  .hero { padding: 130px 0 60px; }
  .hero-grid { gap: 40px; }
  .nav-links { display: none; }
  .nav-cta .btn-text { display: none; }
  .section { padding: 80px 0; }
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 40px; }
  .pillars { grid-template-columns: 1fr; }
  .approach { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metric { border-bottom: 1px solid var(--line-soft); }
  .cases { grid-template-columns: 1fr; }
  .t-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .report { grid-template-columns: 1fr; }
  .report-side { display: none; }
  .report-kpis { grid-template-columns: 1fr 1fr; }
  .kpi:nth-child(2) { border-right: none; }
  .kpi:nth-child(1), .kpi:nth-child(2) { border-bottom: 1px solid var(--line-soft); }
}

/* Phone — iPhone-first refinements */
@media (max-width: 640px) {
  :root { --gutter: 20px; }

  /* show hamburger, hide desktop CTA */
  .nav-burger { display: inline-flex; }
  .nav-menu { display: block; }
  .nav-cta { display: none; }
  .nav { padding: 14px 0; padding-top: max(14px, env(safe-area-inset-top)); }
  .nav-inner { gap: 16px; }
  .logo { height: 19px; }

  /* hero — kill the dashboard, focus on type + CTA */
  .hero { padding: 100px 0 56px; }
  .hero h1 { font-size: clamp(40px, 11vw, 64px); max-width: 16ch; }
  .hero-sub { font-size: 1rem; margin-top: 22px; }
  .hero-cta {
    margin-top: 28px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .hero-cta .btn { justify-content: center; padding: 14px 22px; }
  .hero-visual { display: none; }

  /* industries / chips */
  .trusted { padding: 48px 0 32px; }
  .industries-row { gap: 6px 8px; }
  .industry-chip { font-size: 0.65rem; padding: 8px 12px; }

  /* sections */
  .section { padding: 64px 0; }
  .section h2 { font-size: clamp(32px, 8vw, 48px) !important; }

  /* pillars */
  .pillars { gap: 12px; }
  .pillar { padding: 28px 22px; }

  /* approach */
  .approach .step { padding: 32px 24px; grid-template-columns: 56px 1fr; gap: 20px; }

  /* metrics — single column on small phones */
  .metrics-grid { grid-template-columns: 1fr; }
  .metric { padding: 28px 0; border-right: none; border-bottom: 1px solid var(--line-soft); }
  .metric:last-child { border-bottom: none; }
  .metric-val { font-size: 56px; }

  /* cases */
  .case { padding: 26px; min-height: auto; }
  .case-title { font-size: 1.4rem; max-width: none; }
  .case:hover { transform: none; }
  .cases-cta { justify-content: flex-start; }

  /* values / testimonial */
  .testimonial { padding: 80px 0; }
  .t-quote { font-size: clamp(24px, 6vw, 32px); }

  /* contact form */
  .contact { padding: 80px 0 64px; }
  .contact-aside h2 { font-size: clamp(36px, 9vw, 52px); }
  .contact-lede { font-size: 1.05rem; margin-bottom: 36px; }
  .contact-meta > div { grid-template-columns: 64px 1fr; gap: 12px; }
  .topic-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .topic-label { padding: 16px 8px; }  /* ≥44px tap target */
  .form-foot { flex-direction: column; align-items: stretch; gap: 18px; }
  .form-fineprint { max-width: none; text-align: left; }
  .form-submit { width: 100%; padding: 16px 22px; }

  /* footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-base { flex-direction: column; gap: 12px; align-items: flex-start; }
  .footer { padding-bottom: calc(32px + env(safe-area-inset-bottom)); }
}

/* Small phones (iPhone SE 375) — extra tightening */
@media (max-width: 380px) {
  :root { --gutter: 18px; }
  .hero h1 { font-size: 38px; }
  .case h3.case-title { font-size: 1.25rem; }
  .pillar h3 { font-size: 1.4rem; }
  .nav-menu-link { font-size: 32px; padding: 12px 0; }
}

/* Touch devices — kill hover transforms (they get stuck on tap) */
@media (hover: none) {
  .case:hover { transform: none; background: var(--bg-elev); }
  .pillar:hover { transform: none; }
  .btn:hover { transform: none; }
  .nav-link:hover { background: transparent; }
}

/* =========================================================
   EDITORIAL CHAPTER MARKS — section eyebrows
   Replaces the round bullet with a small ink dash on section
   eyebrows only, evoking the ink-filled circle motif from the
   case-study hover state. Keep subtle.
   ========================================================= */
.section-eyebrow::before {
  width: 22px;
  height: 1.5px;
  border-radius: 0;
  margin-right: 2px;
}

/* =========================================================
   IMG INSERTS — added 2026 — coherent with editorial system
   ========================================================= */

/* Shared figure reset */
.hero-aside-figure,
.practice-bridge-fig,
.values-figure {
  margin: 0;
  overflow: hidden;
  position: relative;
}

.hero-aside-figure picture,
.practice-bridge-fig picture,
.values-figure picture {
  display: block;
  overflow: hidden;
  border-radius: 2px; /* hairline, NOT rounded — keep editorial */
}

.hero-aside-figure img,
.practice-bridge-fig img,
.values-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* tonal harmonization with cream/ink palette */
  filter: saturate(0.92) contrast(0.98);
  transition: filter 0.6s ease;
}

[data-theme="ink"] .hero-aside-figure img,
[data-theme="ink"] .practice-bridge-fig img,
[data-theme="ink"] .values-figure img {
  filter: saturate(0.85) contrast(0.95) brightness(0.88);
}

/* ---------- HERO aside (still life, right column on desktop) ---------- */
.hero-aside-figure {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  width: 100%;
  justify-self: end;
  max-width: 540px;
}
.hero-aside-figure picture {
  aspect-ratio: 4 / 5;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
}
.hero-aside-cap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: -0.015em;
  color: var(--ink-mute);
}
.hero-aside-cap .eyebrow { color: var(--ink-faint); }

@media (max-width: 900px) {
  .hero-aside-figure { margin-top: 8px; max-width: 100%; justify-self: stretch; }
  .hero-aside-figure picture { aspect-ratio: 4 / 5; }
}

/* ---------- PRACTICE BRIDGE (full-bleed banner) ---------- */
.practice-bridge {
  padding: 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-elev);
}
.practice-bridge-fig {
  margin: 0;
}
.practice-bridge-fig picture {
  aspect-ratio: 21 / 9;
  background: var(--bg-elev);
  border-radius: 0;
}
.practice-bridge-cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
  padding-top: 20px;
  padding-bottom: 28px;
  color: var(--ink);
  flex-wrap: wrap;
}
.practice-bridge-cap .eyebrow { color: var(--ink-mute); }
.practice-bridge-cap .serif {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 32px);
  letter-spacing: -0.02em;
  color: var(--ink-mute);
}

@media (max-width: 900px) {
  .practice-bridge-fig picture { aspect-ratio: 3 / 2; }
  .practice-bridge-cap { gap: 8px; padding-top: 16px; padding-bottom: 22px; }
}

/* ---------- VALUES figure (between heading and quotes) ---------- */
.values-figure {
  margin: 0 0 56px;
}
.values-figure picture {
  aspect-ratio: 16 / 9;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
}

@media (max-width: 900px) {
  .values-figure { margin-bottom: 40px; }
  .values-figure picture { aspect-ratio: 4 / 5; }
}

/* Respect reduced-motion: no filter transitions */
@media (prefers-reduced-motion: reduce) {
  .hero-aside-figure img,
  .practice-bridge-fig img,
  .values-figure img { transition: none; }
}

/* =========================================================
   EDITORIAL ACCENTS — additive
   Three subtle ink touches inspired by the case-study card
   language (filled circle on hover, mono indices, hairline
   chapter breaks). Purely additive — append-only.
   ========================================================= */

/* 1) Chapter index numerals after each section eyebrow.
   Uses CSS counters so HTML stays untouched. */
main { counter-reset: loy-section; }
.section-eyebrow { counter-increment: loy-section; }
.section-eyebrow::after {
  content: "— " counter(loy-section, decimal-leading-zero);
  margin-left: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.14em;
  font-feature-settings: "tnum";
}

/* 2) Pillar numerals as inverted ink chips
      (mirrors the .case-arrow ink-fill on hover). */
.pillar-num {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  background: var(--ink);
  color: var(--bg);
  padding: 4px 10px;
  border-radius: 100px;
}

/* 3) Closing-section ink hairline — promotes the CTA from a
      soft divider to a deliberate chapter break. */
.cta { border-top: 2px solid var(--ink); }