/* ==========================================================================
   EpiphanyEngine — Enterprise site
   Editorial + architectural. Paper, ink, ember.
   ========================================================================== */

:root {
  /* paper mode (default) */
  --bg: #ebe5d7;
  --bg-elev: #f1ece0;
  --ink: #15140f;
  --ink-2: #4d4738;
  --ink-3: #7a7264;
  --rule: #c9bea7;
  --rule-soft: #d9d0bd;
  --accent: oklch(58% 0.13 55);          /* ember */
  --accent-deep: oklch(48% 0.13 50);
  --accent-soft: oklch(58% 0.13 55 / 0.10);
  --paper-tint: oklch(95% 0.02 80);

  --serif: "Instrument Serif", "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Geist", "Inter Tight", -apple-system, system-ui, sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --max: 1320px;
}

[data-mode="deep"] {
  --bg: #0b0b0a;
  --bg-elev: #15140f;
  --ink: #ece4d0;
  --ink-2: #b7ad96;
  --ink-3: #807767;
  --rule: #2b2820;
  --rule-soft: #1d1b15;
  --paper-tint: #15140f;
}
[data-mode="sage"] {
  --bg: #e0e3d6;
  --bg-elev: #e9ecdf;
  --ink: #161a12;
  --ink-2: #4a4f3f;
  --ink-3: #767b69;
  --rule: #b8bda8;
  --rule-soft: #c8cdb8;
  --paper-tint: #ecefe1;
}

[data-accent="cobalt"] { --accent: oklch(45% 0.16 255); --accent-deep: oklch(38% 0.16 255); --accent-soft: oklch(45% 0.16 255 / 0.10); }
[data-accent="verdant"] { --accent: oklch(45% 0.10 155); --accent-deep: oklch(38% 0.10 155); --accent-soft: oklch(45% 0.10 155 / 0.10); }
[data-accent="oxblood"] { --accent: oklch(40% 0.14 25); --accent-deep: oklch(34% 0.14 25); --accent-soft: oklch(40% 0.14 25 / 0.10); }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  font-feature-settings: "ss01", "cv11";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* subtle paper grain */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    radial-gradient(circle at 20% 30%, color-mix(in oklch, var(--ink) 4%, transparent) 0, transparent 60%),
    radial-gradient(circle at 80% 70%, color-mix(in oklch, var(--ink) 3%, transparent) 0, transparent 60%);
  mix-blend-mode: multiply;
  opacity: 0.6;
}
[data-mode="deep"] body::before { mix-blend-mode: screen; opacity: 0.35; }

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

/* ============ TYPOGRAPHY ============ */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.015em; }
.mono { font-family: var(--mono); letter-spacing: 0; }
.uppercase-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-2); }

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
.display {
  font-family: var(--serif);
  font-size: clamp(48px, 7.2vw, 124px);
  line-height: 0.96;
  letter-spacing: -0.025em;
}
.display em { font-style: italic; color: var(--accent); }
.heading-xl {
  font-family: var(--serif);
  font-size: clamp(36px, 4.5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.heading-lg {
  font-family: var(--serif);
  font-size: clamp(28px, 2.8vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
}
.heading-md {
  font-family: var(--serif);
  font-size: clamp(22px, 1.8vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.lede {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.45;
  color: var(--ink-2);
  letter-spacing: -0.01em;
  max-width: 62ch;
}
.body-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 62ch;
}
.body-text strong { color: var(--ink); font-weight: 500; }

/* ============ LAYOUT ============ */
.shell {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: clamp(64px, 9vw, 140px) 0; }
.section-tight { padding: clamp(48px, 6vw, 88px) 0; }
.rule { height: 1px; background: var(--rule); width: 100%; }
.rule-soft { height: 1px; background: var(--rule-soft); width: 100%; }

/* ============ NAV ============ */
.nav-bar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklch, var(--bg) 88%, transparent);
  backdrop-filter: blur(20px) saturate(120%);
  -webkit-backdrop-filter: blur(20px) saturate(120%);
  border-bottom: 1px solid var(--rule-soft);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.wordmark { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.wordmark-glyph {
  width: 26px; height: 26px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.wordmark-glyph::after {
  content: ""; position: absolute;
  inset: 5px; border-radius: 50%;
  background: var(--ink);
}
.wordmark-text {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}
.wordmark-text span { color: var(--ink-3); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); }
.nav-link.active::after {
  content: ""; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--accent);
}
.nav-cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  transition: all 0.2s;
  cursor: pointer;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn .arrow { display: inline-block; transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding-top: clamp(60px, 9vw, 120px);
  padding-bottom: clamp(60px, 9vw, 120px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: end;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.4fr 1fr; }
}
.hero-meta {
  display: flex; gap: 16px; align-items: center;
  margin-bottom: 36px;
}
.hero-meta-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.hero-display {
  margin-bottom: 32px;
  max-width: 14ch;
  text-wrap: balance;
}
.hero-aside {
  border-left: 1px solid var(--rule);
  padding-left: 32px;
  padding-bottom: 12px;
}
.hero-aside .label { margin-bottom: 14px; }
.hero-aside p {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.35;
  margin: 0 0 24px;
  color: var(--ink);
}

/* the spark visualization */
.spark {
  position: absolute;
  right: -120px; top: 40%;
  width: 720px; height: 720px;
  pointer-events: none;
  opacity: 0.6;
}
.spark::before, .spark::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px solid var(--rule);
}
.spark::after {
  inset: 25%;
  border-color: color-mix(in oklch, var(--accent) 35%, transparent);
}

.spark-ring {
  position: absolute;
  border: 1px solid var(--rule);
  border-radius: 50%;
}

/* ============ SECTIONS ============ */
.section-label {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 48px;
}
@media (max-width: 760px) {
  .section-label { grid-template-columns: 1fr; gap: 16px; }
}
.section-label .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.section-label .label-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ============ Cards / Tiles ============ */
.tile {
  border: 1px solid var(--rule);
  background: var(--bg-elev);
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
  transition: all 0.2s;
  cursor: pointer;
  text-align: left;
}
.tile:hover { border-color: var(--ink); transform: translateY(-2px); }
.tile-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}
.tile-title {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.015em;
}
.tile-body { font-size: 14px; line-height: 1.55; color: var(--ink-2); }

/* ============ Use cases page ============ */
.uc-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: start;
  padding: 60px 0 120px;
}
@media (max-width: 960px) {
  .uc-layout { grid-template-columns: 1fr; gap: 32px; }
}
.uc-sidebar {
  position: sticky; top: 90px;
  border-right: 1px solid var(--rule-soft);
  padding-right: 32px;
}
.uc-sidebar-label { margin-bottom: 20px; }
.uc-vert-list { display: flex; flex-direction: column; }
.uc-vert {
  border: none; background: transparent;
  text-align: left;
  padding: 14px 0;
  border-top: 1px solid var(--rule-soft);
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
  color: var(--ink-2);
  transition: color 0.15s;
  font-family: var(--sans);
  font-size: 16px;
  letter-spacing: -0.005em;
}
.uc-vert:last-child { border-bottom: 1px solid var(--rule-soft); }
.uc-vert .v-num { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.12em; }
.uc-vert:hover { color: var(--ink); }
.uc-vert.active { color: var(--ink); font-family: var(--serif); font-size: 22px; letter-spacing: -0.01em; }
.uc-vert.active .v-num { color: var(--accent); }

.uc-content {
  min-height: 70vh;
}
.uc-vertical-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  margin-bottom: 24px;
}
.uc-title {
  font-family: var(--serif);
  font-size: clamp(40px, 4.5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  max-width: 16ch;
}
.uc-title em { font-style: italic; color: var(--accent); }
.uc-lede {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 60ch;
  margin-bottom: 56px;
}
.uc-block { margin-bottom: 48px; }
.uc-block-label { margin-bottom: 14px; }
.uc-block-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  max-width: 60ch;
}
.uc-block-text + .uc-block-text { margin-top: 12px; color: var(--ink-2); }

.uc-applications {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  margin-top: 40px;
}
@media (max-width: 760px) { .uc-applications { grid-template-columns: 1fr; } }
.uc-app {
  background: var(--bg);
  padding: 28px 28px 32px;
  display: flex; flex-direction: column; gap: 10px;
}
.uc-app .a-num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.16em; }
.uc-app .a-title { font-family: var(--serif); font-size: 22px; line-height: 1.1; letter-spacing: -0.01em; }
.uc-app .a-text { font-size: 14px; line-height: 1.55; color: var(--ink-2); }

.uc-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 60px;
}
@media (max-width: 760px) { .uc-metrics { grid-template-columns: 1fr; } }
.uc-metric { background: var(--bg-elev); padding: 32px; }
.uc-metric .m-value { font-family: var(--serif); font-size: 56px; line-height: 1; letter-spacing: -0.03em; margin-bottom: 8px; }
.uc-metric .m-value em { font-style: italic; color: var(--accent); }
.uc-metric .m-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }
.uc-metric .m-note { font-size: 13px; color: var(--ink-3); margin-top: 14px; line-height: 1.5; }

/* ============ How it works ============ */
.hiw-axiom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
}
@media (max-width: 900px) { .hiw-axiom { grid-template-columns: 1fr; } }
.hiw-layers {
  display: flex; flex-direction: column;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.hiw-layer {
  background: var(--bg-elev);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: baseline;
}
.hiw-layer .l-num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.16em; }
.hiw-layer .l-title { font-family: var(--serif); font-size: 24px; letter-spacing: -0.01em; margin-bottom: 6px; }
.hiw-layer .l-text { font-size: 14px; color: var(--ink-2); line-height: 1.55; }
.hiw-layer .l-vars {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px;
}
.hiw-layer .l-var {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border: 1px solid var(--rule);
  background: var(--bg);
  color: var(--ink-2);
}

.hiw-diagram {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.hiw-ring {
  position: absolute;
  border: 1px solid var(--rule);
  border-radius: 50%;
}
.hiw-ring.active { border-color: var(--accent); }
.hiw-center {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  color: var(--accent);
}

.hiw-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 40px;
}
@media (max-width: 760px) { .hiw-compare { grid-template-columns: 1fr; } }
.hiw-compare > div { background: var(--bg-elev); padding: 36px; }
.hiw-compare h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 20px; }
.hiw-compare .traditional h4 { color: var(--ink-3); }
.hiw-compare .axiom h4 { color: var(--accent); }
.hiw-compare ul { list-style: none; padding: 0; margin: 0; }
.hiw-compare li {
  padding: 14px 0;
  border-top: 1px solid var(--rule-soft);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
}
.hiw-compare li:first-child { border-top: none; }
.hiw-compare .axiom li { color: var(--ink); }

/* ============ Philosophy ============ */
.phil-quote {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  max-width: 22ch;
}
.phil-quote em { font-style: italic; color: var(--accent); }
.phil-meta { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-top: 28px; }

.phil-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 760px) { .phil-pillars { grid-template-columns: 1fr; } }
.phil-pillar { background: var(--bg); padding: 36px 32px; }
.phil-pillar .p-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--accent); margin-bottom: 16px; }
.phil-pillar h3 { font-family: var(--serif); font-size: 26px; letter-spacing: -0.01em; margin-bottom: 14px; line-height: 1.1; }
.phil-pillar p { font-size: 14px; line-height: 1.6; color: var(--ink-2); margin: 0; }

/* ============ Contact ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
  padding: 60px 0 120px;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 48px; } }
.contact-form { display: flex; flex-direction: column; gap: 24px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.field input, .field textarea, .field select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 10px 0;
  font-family: var(--sans);
  font-size: 17px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  letter-spacing: -0.01em;
}
.field input:focus, .field textarea:focus, .field select:focus { border-bottom-color: var(--accent); }
.field textarea { min-height: 100px; resize: vertical; font-family: var(--sans); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

.contact-aside {
  border-left: 1px solid var(--rule);
  padding-left: 40px;
}
@media (max-width: 900px) { .contact-aside { border-left: none; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 40px; } }
.contact-aside-item { margin-bottom: 36px; }
.contact-aside-item h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.contact-aside-item p { font-family: var(--serif); font-size: 22px; line-height: 1.3; letter-spacing: -0.01em; margin: 0; }
.contact-aside-item a { border-bottom: 1px solid var(--accent); }

.contact-confirm {
  padding: 60px;
  border: 1px solid var(--rule);
  background: var(--bg-elev);
  text-align: center;
}
.contact-confirm .ring {
  width: 60px; height: 60px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  position: relative;
  margin: 0 auto 24px;
}
.contact-confirm .ring::after {
  content: ""; position: absolute; inset: 14px;
  background: var(--accent); border-radius: 50%;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--rule);
  padding: 80px 0 40px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 80px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer li a { color: var(--ink-2); font-size: 15px; }
.footer li a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.footer-bottom .left { display: flex; gap: 24px; }

/* ============ Use case grid (home) ============ */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}
@media (max-width: 900px) { .usecase-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .usecase-grid { grid-template-columns: 1fr; } }
.usecase-card {
  background: var(--bg);
  padding: 32px 28px 36px;
  display: flex; flex-direction: column; gap: 14px;
  text-align: left;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  min-height: 220px;
}
.usecase-card:hover { background: var(--bg-elev); }
.usecase-card .uc-n { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--ink-3); }
.usecase-card .uc-h { font-family: var(--serif); font-size: 28px; line-height: 1.05; letter-spacing: -0.015em; flex: 1; }
.usecase-card .uc-bottom { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }
.usecase-card:hover .uc-bottom { color: var(--accent); }

/* ============ "How it works" preview row ============ */
.how-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}
@media (max-width: 760px) { .how-preview { grid-template-columns: 1fr; } }
.how-step { background: var(--bg); padding: 40px 32px; }
.how-step .step-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--accent); margin-bottom: 60px; }
.how-step .step-h { font-family: var(--serif); font-size: 28px; letter-spacing: -0.015em; line-height: 1.1; margin-bottom: 14px; }
.how-step .step-t { font-size: 14px; line-height: 1.6; color: var(--ink-2); }

/* ============ Marquee / ticker ============ */
.ticker {
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 24px 0;
  overflow: hidden;
  position: relative;
}
.ticker-track {
  display: flex; gap: 48px;
  animation: scroll 80s linear infinite;
  width: max-content;
}
.ticker-item {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex; align-items: center; gap: 48px;
  white-space: nowrap;
}
.ticker-item::after {
  content: "◆";
  font-family: var(--serif);
  color: var(--accent);
  font-size: 8px;
}
@media (max-width: 700px) {
  .ticker { padding: 18px 0; }
  .ticker-track { gap: 32px; }
  .ticker-item { font-size: 10px; letter-spacing: 0.16em; gap: 32px; }
}
@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* ============ CTA Section ============ */
.cta-block {
  text-align: center;
  padding: clamp(80px, 12vw, 160px) 0;
  position: relative;
  overflow: hidden;
}
.cta-block .display { margin-bottom: 40px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* spark animation around CTA */
.cta-spark {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}
.cta-spark > div {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid var(--rule);
  border-radius: 50%;
}

/* ============ Misc ============ */
.bracketed {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 8px;
}
.bracketed::before { content: "["; }
.bracketed::after { content: "]"; }

/* selection */
::selection { background: var(--accent); color: #fff; }

/* ============================================================
   MOBILE NAV
   ============================================================ */
.nav-hamburger {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-right: -8px;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  position: relative;
  z-index: 60;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}
.nav-hamburger.is-open span:nth-child(1) {
  transform: translateY(3.25px) rotate(45deg);
}
.nav-hamburger.is-open span:nth-child(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

.nav-mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 55;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px var(--gutter) 60px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.nav-mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}
.nav-mobile-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}
.nav-mobile-link {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--serif);
  font-size: 36px;
  letter-spacing: -0.02em;
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s, color 0.2s;
  text-wrap: balance;
  line-height: 1.05;
}
.nav-mobile-menu.is-open .nav-mobile-link {
  opacity: 1;
  transform: translateY(0);
}
.nav-mobile-link.active { color: var(--accent); }
.nav-mobile-link.active::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); display: inline-block; margin-right: 2px;
}
.nav-mobile-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}
.nav-mobile-cta {
  margin-top: 40px;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 22px 24px;
  background: var(--ink);
  color: var(--bg);
  border: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s, background 0.2s;
}
.nav-mobile-menu.is-open .nav-mobile-cta {
  opacity: 1;
  transform: translateY(0);
}
.nav-mobile-cta:hover { background: var(--accent); }

@media (max-width: 880px) {
  .nav-links-desktop { display: none; }
  .nav-hamburger { display: flex; }
}

/* ============================================================
   MOBILE OVERRIDES — inline-grid fallbacks + overflow guards
   ============================================================ */

/* Constrain hero spark on smaller screens so it stops causing
   horizontal scroll. */
@media (max-width: 900px) {
  .spark {
    width: 480px !important;
    height: 480px !important;
    right: -180px !important;
    top: 55% !important;
    opacity: 0.35 !important;
  }
}
@media (max-width: 600px) {
  .spark {
    width: 380px !important;
    height: 380px !important;
    right: -140px !important;
    top: 60% !important;
    opacity: 0.25 !important;
  }
}

/* CTA spark rings — clip the very large rings on mobile so we
   don't get phantom horizontal scroll */
.cta-spark { max-width: 100vw; max-height: 100vh; overflow: hidden; }
@media (max-width: 900px) {
  .cta-spark > div { max-width: 90vw; max-height: 90vw; }
}

/* Inline-grid responsive fallbacks: many inline styles use
   gridTemplateColumns: 'repeat(4, 1fr)' / '1fr 1.6fr' / '1fr 1fr'
   without breakpoints. Collapse them on mobile. */
@media (max-width: 880px) {
  [style*="repeat(4, 1fr)"] { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 760px) {
  [style*="1fr 1.6fr"],
  [style*="1.6fr 1fr"] { grid-template-columns: 1fr !important; }
}
@media (max-width: 700px) {
  [style*="1fr 1fr"]:not(.field-row) { grid-template-columns: 1fr !important; gap: 32px !important; }
  [style*="200px 1fr"] { grid-template-columns: 1fr !important; gap: 16px !important; }
}
@media (max-width: 520px) {
  [style*="repeat(4, 1fr)"] { grid-template-columns: 1fr !important; }
  [style*="repeat(3, 1fr)"] { grid-template-columns: 1fr !important; }
}

/* Section labels collapse already, but tighten gap on tiny phones */
@media (max-width: 760px) {
  .section-label { gap: 8px !important; }
  .section-label .num { display: inline-block; margin-right: 12px; }
}

/* Hero aside: remove the left rule when stacked under the headline on mobile */
@media (max-width: 900px) {
  .hero-aside {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--rule);
    padding-top: 28px;
    margin-top: 12px;
  }
}

/* Hero meta line — let it wrap on mobile, don't overflow */
@media (max-width: 600px) {
  .hero-meta {
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-bottom: 24px;
  }
  .hero-meta .uppercase-label { font-size: 10px; }
}

/* Hero CTA buttons */
@media (max-width: 480px) {
  .btn { width: 100%; justify-content: space-between; }
  .cta-actions .btn { width: auto; }
}

/* Use-case sidebar: on mobile, the sticky sidebar should NOT be
   sticky (it cuts off content), and the active state should not
   jump in font size */
@media (max-width: 960px) {
  .uc-sidebar {
    position: relative;
    top: 0;
    border-right: none;
    border-bottom: 1px solid var(--rule-soft);
    padding-right: 0;
    padding-bottom: 32px;
  }
  .uc-vert.active {
    font-family: var(--sans);
    font-size: 16px;
    color: var(--ink);
    font-weight: 600;
    letter-spacing: -0.005em;
  }
}

/* uc-metric font-size shrink on mobile */
@media (max-width: 600px) {
  .uc-metric .m-value { font-size: 42px; }
  .uc-metric { padding: 24px; }
}

/* hiw-layer 80px label column too wide on mobile */
@media (max-width: 600px) {
  .hiw-layer {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px;
  }
}

/* phil-pillar padding */
@media (max-width: 600px) {
  .phil-pillar { padding: 32px 24px; }
}

/* contact-aside top border spacing tighter */
@media (max-width: 600px) {
  .contact-aside-item p { font-size: 18px; }
}

/* Footer */
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr !important; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 16px; align-items: flex-start; }
  .footer-bottom .left { flex-direction: column; gap: 6px; }
}

/* Display size — pull down a notch on the smallest screens */
@media (max-width: 480px) {
  .display { font-size: clamp(40px, 11vw, 56px) !important; }
  .heading-xl { font-size: clamp(30px, 8vw, 44px) !important; }
}

/* Ensure no horizontal scroll anywhere */
html, body { overflow-x: clip; }

/* page transitions */
.page-enter {
  animation: page-in 0.4s cubic-bezier(0.2, 0.6, 0.2, 1);
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }