/* ==========================================================================
   Paradignum — Syllabus style
   Reference: DESIGN-2.md (digital blueprint on cream paper)
   ========================================================================== */

:root {
  /* Colors */
  --color-canvas-cream: #fffcf7;
  --color-inkwell-violet: #0d0129;
  --color-teal-basin: #19615c;
  --color-glow-yellow: #fae59b;
  --color-pitch-black: #000000;
  --color-pure-white: #ffffff;

  /* Soft helpers, derived */
  --color-violet-faint: rgba(13, 1, 41, 0.10);
  --color-violet-soft:  rgba(13, 1, 41, 0.55);

  /* Typography */
  --font-roobert: 'Roobert', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-supply: 'Supply', ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Type scale */
  --text-body-sm: 16px;
  --text-body: 20px;
  --text-subheading: 24px;
  --text-heading-sm: 40px;
  --text-heading: 48px;
  --text-heading-lg: 56px;
  --text-display: 64px;

  /* Spacing */
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-40: 40px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-104: 104px;
  --spacing-120: 120px;

  /* Layout */
  --page-max-width: 1280px;
  --container-pad: 32px;

  /* Radii — NONE except for waitlist button */
  --radius: 0;
  --radius-waitlist: 4px;

  /* Shadows */
  --shadow-subtle: rgb(0, 0, 0) 1px 1px 0 0;
  --shadow-card: rgb(0, 0, 0) 3px 3px 0 0;
}


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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--color-canvas-cream);
  color: var(--color-inkwell-violet);
  font-family: var(--font-roobert);
  font-size: var(--text-body);
  line-height: 1.6;
  font-weight: 400;
  /* subtle paper texture using a tiled noise via SVG */
  background-image:
    repeating-linear-gradient(0deg,   rgba(13,1,41,0.012) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg,  rgba(13,1,41,0.012) 0 1px, transparent 1px 3px);
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--color-inkwell-violet);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: var(--color-violet-faint);
  transition: text-decoration-color .15s ease, background-color .15s ease;
}
a:hover { text-decoration-color: var(--color-inkwell-violet); }

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

strong { font-weight: 700; }
em {
  font-style: normal;
  font-family: var(--font-supply);
  font-size: 0.95em;
  background: var(--color-glow-yellow);
  padding: 0 6px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

::selection {
  background: var(--color-inkwell-violet);
  color: var(--color-canvas-cream);
}


/* ---------- Layout helpers ---------- */
.section { padding: var(--spacing-120) 0; border-top: 1px solid var(--color-inkwell-violet); }
.section:first-of-type { border-top: 0; }

.section-inner,
.header-inner,
.hero-inner,
.callout-inner,
.teaser-inner,
.footer-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}

.section-head {
  max-width: 880px;
  margin-bottom: var(--spacing-80);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-24);
  align-items: start;
}

.section-num {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  font-weight: 400;
  color: var(--color-inkwell-violet);
  margin: 12px 0 0;
  letter-spacing: 1px;
}
.section-num-light { color: var(--color-canvas-cream); }

.section-title {
  grid-column: 2;
  font-family: var(--font-roobert);
  font-size: clamp(40px, 6vw, var(--text-heading-lg));
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.section-lede {
  grid-column: 2;
  font-size: var(--text-subheading);
  line-height: 1.5;
  color: var(--color-inkwell-violet);
  max-width: 720px;
  margin-top: var(--spacing-24);
}


/* ---------- Buttons ---------- */
.btn-solid,
.btn-yellow,
.btn-ghost,
.btn-link {
  font-family: var(--font-roobert);
  font-size: var(--text-body-sm);
  font-weight: 400;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background-color .15s ease, color .15s ease, transform .15s ease, box-shadow .15s ease;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.btn-solid {
  background: var(--color-inkwell-violet);
  color: var(--color-canvas-cream);
  padding: 12px 24px;
  border: 1px solid var(--color-inkwell-violet);
  border-radius: var(--radius);
}
.btn-solid:hover {
  background: var(--color-canvas-cream);
  color: var(--color-inkwell-violet);
}
.btn-solid-lg { padding: 18px 32px; font-size: var(--text-body); }

.btn-yellow {
  background: var(--color-glow-yellow);
  color: var(--color-inkwell-violet);
  padding: 14px 28px;
  border: 1px solid var(--color-inkwell-violet);
  border-radius: var(--radius-waitlist);
  font-family: var(--font-supply);
  font-size: var(--text-body);
  box-shadow: 4px 4px 0 0 var(--color-inkwell-violet);
}
.btn-yellow:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--color-inkwell-violet);
}
.btn-yellow:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 0 var(--color-inkwell-violet);
}

.btn-ghost {
  background: transparent;
  color: var(--color-inkwell-violet);
  padding: 12px 24px;
  border: 1px solid var(--color-inkwell-violet);
  border-radius: var(--radius);
}
.btn-ghost:hover {
  background: var(--color-inkwell-violet);
  color: var(--color-canvas-cream);
}

.btn-link {
  background: transparent;
  color: var(--color-inkwell-violet);
  padding: 12px 4px;
  border: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
.btn-link:hover { text-decoration-thickness: 2px; }


/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-canvas-cream);
  border-bottom: 1px solid var(--color-inkwell-violet);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-inkwell-violet);
  font-family: var(--font-roobert);
  font-weight: 700;
  font-size: var(--text-subheading);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--color-inkwell-violet); text-decoration: none; }
.brand-mark { display: inline-flex; }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
}
.primary-nav a {
  font-family: var(--font-roobert);
  font-size: var(--text-body-sm);
  font-weight: 400;
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  color: var(--color-inkwell-violet);
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 4px;
  height: 1px;
  background: var(--color-inkwell-violet);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.primary-nav a:hover::after { transform: scaleX(1); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-inkwell-violet);
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}
.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--color-inkwell-violet);
  transition: transform .25s ease, opacity .25s ease;
  display: block;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  padding: var(--spacing-104) 0 var(--spacing-120);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--spacing-64);
  align-items: start;
}

.hero-title {
  font-family: var(--font-roobert);
  font-size: clamp(48px, 7.5vw, var(--text-display));
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 var(--spacing-40);
  color: var(--color-inkwell-violet);
}

.hero-title-mark {
  position: relative;
  display: inline-block;
}
.hero-title-mark::before {
  content: "";
  position: absolute;
  left: -8px;
  right: -8px;
  top: 20%;
  bottom: 8%;
  background: var(--color-glow-yellow);
  z-index: -1;
}

.hero-sub {
  font-family: var(--font-roobert);
  font-size: var(--text-subheading);
  line-height: 1.5;
  max-width: 580px;
  margin: 0 0 var(--spacing-40);
  color: var(--color-inkwell-violet);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-24);
  margin-bottom: var(--spacing-64);
}

.hero-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Stats row */
.stats {
  margin-top: var(--spacing-80);
  padding-top: var(--spacing-40);
  border-top: 1px solid var(--color-inkwell-violet);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: var(--spacing-16);
  border-left: 1px solid var(--color-inkwell-violet);
}
.stat:first-child { border-left: 0; padding-left: 0; }

.stat-num {
  font-family: var(--font-roobert);
  font-size: clamp(40px, 5vw, var(--text-heading-sm));
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-label {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  line-height: 1.3;
  color: var(--color-violet-soft);
}


/* ==========================================================================
   PROCESS
   ========================================================================== */
.process { background: var(--color-canvas-cream); }

.steps {
  border-top: 1px solid var(--color-inkwell-violet);
}

.step {
  display: grid;
  grid-template-columns: 1.2fr 1.5fr 0.8fr;
  gap: var(--spacing-40);
  padding: var(--spacing-64) 0;
  border-bottom: 1px solid var(--color-inkwell-violet);
  align-items: start;
  position: relative;
  transition: background-color .25s ease;
}
.step:hover { background: rgba(250, 229, 155, 0.20); }

.step-head { display: flex; flex-direction: column; gap: var(--spacing-16); }

.step-num {
  font-family: var(--font-supply);
  font-size: var(--text-heading-sm);
  font-weight: 400;
  line-height: 1;
  color: var(--color-inkwell-violet);
}

.step-title {
  font-family: var(--font-roobert);
  font-size: var(--text-heading-sm);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-inkwell-violet);
}

.step-body {
  font-family: var(--font-roobert);
  font-size: var(--text-body);
  line-height: 1.55;
  color: var(--color-inkwell-violet);
}

.step-aside {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  padding-left: var(--spacing-16);
  border-left: 1px solid var(--color-inkwell-violet);
}
.aside-line { color: var(--color-violet-soft); }
.aside-line::before { content: "— "; color: var(--color-inkwell-violet); }


/* ==========================================================================
   WHY US — Teal callout block
   ========================================================================== */
.section-callout {
  background: var(--color-teal-basin);
  color: var(--color-canvas-cream);
  padding: var(--spacing-120) 0;
  border-top: 1px solid var(--color-inkwell-violet);
  border-bottom: 1px solid var(--color-inkwell-violet);
}

.callout-head {
  max-width: 880px;
  margin-bottom: var(--spacing-80);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-24);
}

.callout-title {
  grid-column: 2;
  font-family: var(--font-roobert);
  font-size: clamp(40px, 6vw, var(--text-heading));
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-canvas-cream);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.why-card {
  padding: var(--spacing-40) var(--spacing-40);
  border: 1px solid var(--color-canvas-cream);
  margin-right: -1px;
  margin-bottom: -1px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
  transition: background-color .25s ease;
}
.why-card:hover { background: rgba(255, 252, 247, 0.06); }

.why-svg svg {
  width: 64px;
  height: 64px;
}

.why-title {
  font-family: var(--font-roobert);
  font-size: var(--text-subheading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-canvas-cream);
}

.why-body {
  font-family: var(--font-roobert);
  font-size: var(--text-body-sm);
  line-height: 1.6;
  color: var(--color-canvas-cream);
  opacity: 0.92;
}

/* Yellow accents render naturally on teal — already set in SVG */


/* ==========================================================================
   EXPERTISE — editorial table
   ========================================================================== */
.expertise { background: var(--color-canvas-cream); }

.tech-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-80);
  border-top: 2px solid var(--color-inkwell-violet);
  border-bottom: 2px solid var(--color-inkwell-violet);
}

.tech-table tr { border-bottom: 1px solid var(--color-inkwell-violet); }
.tech-table tr:last-child { border-bottom: 0; }

.tech-table th,
.tech-table td {
  text-align: left;
  padding: var(--spacing-24) var(--spacing-16);
  vertical-align: middle;
}

.tech-table th {
  font-family: var(--font-roobert);
  font-size: var(--text-subheading);
  font-weight: 700;
  letter-spacing: -0.01em;
  width: 200px;
}

.tech-table td:nth-child(2) {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.tech-meta {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  color: var(--color-violet-soft);
  text-align: right !important;
  width: 140px;
  text-transform: lowercase;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--color-canvas-cream);
  color: var(--color-inkwell-violet);
  font-family: var(--font-roobert);
  font-size: var(--text-body-sm);
  font-weight: 400;
  border: 1px solid var(--color-inkwell-violet);
  border-radius: var(--radius);
  transition: background-color .15s ease, color .15s ease;
}
.tag:hover {
  background: var(--color-glow-yellow);
}

.capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  font-family: var(--font-supply);
  font-size: var(--text-subheading);
  line-height: 1.4;
  color: var(--color-inkwell-violet);
  padding: var(--spacing-40);
  background: var(--color-canvas-cream);
  border: 1px solid var(--color-inkwell-violet);
}
.capabilities li {
  display: inline;
}
.capabilities li::after {
  content: " · ";
  color: var(--color-teal-basin);
  margin: 0 8px;
}
.capabilities li:last-child::after { content: ""; }


/* ==========================================================================
   TEASER
   ========================================================================== */
.teaser {
  background: var(--color-inkwell-violet);
  color: var(--color-canvas-cream);
  padding: var(--spacing-120) 0;
  border-top: 1px solid var(--color-inkwell-violet);
  border-bottom: 1px solid var(--color-inkwell-violet);
  position: relative;
  overflow: hidden;
}
.teaser::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(255, 252, 247, 0.18);
  pointer-events: none;
}

.teaser-inner { text-align: left; max-width: 900px; }

.teaser-eyebrow {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  letter-spacing: 1px;
  color: var(--color-glow-yellow);
  margin: 0 0 var(--spacing-24);
}

.teaser-title {
  font-family: var(--font-roobert);
  font-size: clamp(48px, 7vw, var(--text-heading-lg));
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-canvas-cream);
  margin: 0 0 var(--spacing-24);
}

.teaser-sub {
  font-size: var(--text-subheading);
  line-height: 1.5;
  color: var(--color-canvas-cream);
  opacity: 0.85;
  margin: 0 0 var(--spacing-40);
}

.teaser-btn { font-size: var(--text-body); }


/* ==========================================================================
   PORTFOLIO
   ========================================================================== */
.portfolio { background: var(--color-canvas-cream); }

.portfolio-list {
  border-top: 2px solid var(--color-inkwell-violet);
}

.case {
  display: grid;
  grid-template-columns: 100px 1fr 1.3fr;
  gap: var(--spacing-40);
  padding: var(--spacing-64) 0;
  border-bottom: 1px solid var(--color-inkwell-violet);
  align-items: start;
}

.case-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.case-id {
  font-family: var(--font-supply);
  font-size: var(--text-heading-sm);
  line-height: 1;
  color: var(--color-inkwell-violet);
}
.case-tag {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  color: var(--color-violet-soft);
  text-transform: lowercase;
  letter-spacing: 0.5px;
}

.case-body { display: flex; flex-direction: column; gap: var(--spacing-24); }

.case-title {
  font-family: var(--font-roobert);
  font-size: clamp(28px, 3vw, var(--text-heading-sm));
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-inkwell-violet);
}

.case-text {
  font-size: var(--text-body);
  line-height: 1.55;
  color: var(--color-inkwell-violet);
}

.case-bullets {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  margin-top: 8px;
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--color-violet-faint);
}
.case-bullets li::before {
  content: "→ ";
  color: var(--color-teal-basin);
  margin-right: 4px;
}
.case-bullets strong {
  background: var(--color-glow-yellow);
  padding: 0 4px;
}

.case-visual {
  border: 1px solid var(--color-inkwell-violet);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
}
.case-visual:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 0 var(--color-inkwell-violet);
}
.case-visual svg { width: 100%; height: auto; display: block; }


/* ==========================================================================
   CONTACTS
   ========================================================================== */
.contacts { background: var(--color-canvas-cream); }

.contact-list {
  border-top: 2px solid var(--color-inkwell-violet);
  border-bottom: 2px solid var(--color-inkwell-violet);
  margin: 0 0 var(--spacing-64);
}

.contact-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-40);
  padding: var(--spacing-24) var(--spacing-16);
  border-bottom: 1px solid var(--color-inkwell-violet);
  align-items: baseline;
}
.contact-row:last-child { border-bottom: 0; }

.contact-row dt {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  color: var(--color-violet-soft);
  text-transform: lowercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.contact-row dd {
  margin: 0;
  font-family: var(--font-roobert);
  font-size: var(--text-subheading);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-inkwell-violet);
}

.contact-row dd a {
  text-decoration: none;
  border-bottom: 1px solid var(--color-inkwell-violet);
  padding-bottom: 2px;
}
.contact-row dd a:hover {
  background: var(--color-glow-yellow);
}

.contact-meta {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  color: var(--color-violet-soft);
}

.contact-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-24);
}


/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-canvas-cream);
  border-top: 1px solid var(--color-inkwell-violet);
  padding: var(--spacing-80) 0 var(--spacing-24);
  font-size: var(--text-body-sm);
  color: var(--color-inkwell-violet);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  padding-bottom: var(--spacing-64);
  border-bottom: 1px solid var(--color-inkwell-violet);
  flex-wrap: wrap;
}

.footer-tag {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  color: var(--color-violet-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-40);
  padding: var(--spacing-64) 0;
  border-bottom: 1px solid var(--color-inkwell-violet);
}

.footer-col p {
  margin: 0 0 6px;
  line-height: 1.5;
}
.footer-col a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.footer-col a:hover { border-bottom-color: var(--color-inkwell-violet); }

.footer-h {
  font-family: var(--font-supply);
  font-size: var(--text-body-sm);
  font-weight: 400;
  color: var(--color-violet-soft);
  text-transform: lowercase;
  letter-spacing: 0.5px;
  margin: 0 0 var(--spacing-16);
}

.kv {
  display: inline-block;
  width: 56px;
  font-family: var(--font-supply);
  color: var(--color-violet-soft);
}

.okved {
  padding-left: 56px;
  text-indent: -56px;
}
.okved .kv { text-indent: 0; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-24);
  font-family: var(--font-supply);
  color: var(--color-violet-soft);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-fig { letter-spacing: 1px; }


/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1100px) {
  .case { grid-template-columns: 80px 1fr 1.2fr; gap: var(--spacing-24); }
  .tech-table th { width: 160px; }
  .tech-meta { display: none; }
}

@media (max-width: 960px) {
  :root { --container-pad: 24px; }
  .section { padding: var(--spacing-80) 0; }
  .hero { padding: var(--spacing-64) 0 var(--spacing-80); }

  .hero-grid { grid-template-columns: 1fr; gap: var(--spacing-40); }
  .hero-visual { max-width: 520px; margin: 0 auto; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-24); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }

  .step { grid-template-columns: 1fr; gap: var(--spacing-16); padding: var(--spacing-40) 0; }
  .step-aside { flex-direction: row; flex-wrap: wrap; gap: 12px; border-left: 0; padding-left: 0; padding-top: var(--spacing-16); border-top: 1px solid var(--color-inkwell-violet); }
  .aside-line::before { content: ""; }
  .aside-line {
    padding: 4px 10px;
    border: 1px solid var(--color-inkwell-violet);
  }

  .why-grid { grid-template-columns: 1fr; }

  .tech-table th, .tech-table td { padding: var(--spacing-16) 12px; }
  .tech-table th { font-size: var(--text-body); width: 130px; }

  .case { grid-template-columns: 1fr; gap: var(--spacing-24); padding: var(--spacing-40) 0; }
  .case-meta { flex-direction: row; gap: var(--spacing-24); align-items: baseline; }
  .case-id { font-size: 32px; }

  .contact-row { grid-template-columns: 1fr; gap: 8px; padding: var(--spacing-16); }

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

  .section-head,
  .callout-head { grid-template-columns: 1fr; gap: var(--spacing-16); }
  .section-title, .section-lede, .callout-title { grid-column: auto; }
  .section-num { margin-top: 0; }
}

@media (max-width: 720px) {
  .primary-nav { display: none; }
  .primary-nav.is-open {
    display: block;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-canvas-cream);
    border-bottom: 1px solid var(--color-inkwell-violet);
    padding: var(--spacing-24);
  }
  .primary-nav.is-open ul { flex-direction: column; align-items: stretch; gap: var(--spacing-16); }
  .primary-nav.is-open a { font-size: var(--text-body); padding: 8px 0; }

  .header-cta .btn-ghost { display: none; }
  .menu-toggle { display: flex; }

  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-yellow { justify-content: center; }

  .stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}


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