/* =====================================================
   Avertex Brand Toolkit · stylesheet
   Editorial / Swiss-brutalist grid system.
   Mobile-first. Hairline borders. Rectilinear. One blue.
   ===================================================== */

@import url('brand-assets/colors_and_type.css');

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

html {
  /* Hard guarantee against horizontal scroll on every viewport. */
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg-2);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
}

::selection {
  background: var(--brand-blue);
  color: #fff;
}

/* Shared layout container — single source of width truth.
   Min-0 + clamp padding kills overflow on small screens. */
.shell {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 32px);
}

/* ---------- Shared primitives ---------- */
.eyebrow {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0;
}

/* =====================================================
   MOTION — restrained, decelerating, on-brand
   ===================================================== */
@keyframes av-rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes av-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes av-wipe-up {
  from { opacity: 0; clip-path: inset(100% 0 0 0); }
  to   { opacity: 1; clip-path: inset(0 0 0 0); }
}
@keyframes av-bar {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Page-load reveal: hero builds in a staggered sequence. */
.hero-meta   { animation: av-fade var(--dur-slow) var(--ease-out-quart) both; }
.hero-title  { animation: av-wipe-up 700ms var(--ease-out-expo) 80ms both; }
.hero-deck   { animation: av-rise var(--dur-slow) var(--ease-out-quart) 220ms both; }
.hero-stats  { animation: av-rise var(--dur-slow) var(--ease-out-quart) 320ms both; }
.hero-art    { animation: av-fade 800ms var(--ease-out-quart) 180ms both; }
.hero-art-a  { animation: av-rise 900ms var(--ease-out-expo) 320ms both; }
.topnav      { animation: av-fade var(--dur-base) var(--ease-out-quart) both; }

/* Stat values count up visually via a left-to-right rule sweep. */
.hero-stats .stat { position: relative; }
.hero-stats .stat::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brand-blue);
  transform-origin: left;
  animation: av-bar var(--dur-slow) var(--ease-out-quart) 520ms both;
}

/* Scroll-triggered reveal: set by IntersectionObserver in JS.
   The `js` class is added by script before observing, so a hard
   JS failure leaves sections fully visible (no blank page). */
.js .reveal { opacity: 0; }
.reveal.is-in {
  animation: av-rise 640ms var(--ease-out-expo) both;
}
.reveal[data-reveal="fade"].is-in {
  animation-name: av-fade;
}
/* Section number draws its underline as the section enters. */
.section-head { position: relative; }
.reveal.is-in .section-num { position: relative; }
.reveal.is-in .section-num::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 3px;
  background: var(--brand-blue);
  transform-origin: left;
  animation: av-bar var(--dur-slow) var(--ease-out-quart) 220ms both;
}

/* =====================================================
   TOP NAV
   ===================================================== */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border-default);
}
.topnav-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 14px clamp(20px, 5vw, 32px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.topnav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.topnav-brand img { width: 32px; height: 32px; flex-shrink: 0; }
.topnav-name {
  font: 700 18px/1 var(--font-mono);
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.topnav-divider {
  font: 400 18px/1 var(--font-mono);
  color: var(--fg-5);
}
.topnav-section {
  font: 700 11px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-3);
  white-space: nowrap;
}

/* Hamburger toggle — hidden on desktop, shown < 860px */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin: -6px -10px -6px 0;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--fg-1);
  align-items: center;
  justify-content: center;
}
.nav-toggle i { font-size: 24px; }
.nav-toggle .ph-x { display: none; }

.topnav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.topnav-links a {
  font: 500 14px/1 var(--font-sans);
  color: var(--fg-3);
  transition: color var(--dur-fast) var(--ease-out-quart);
  position: relative;
}
.topnav-links a:not(.topnav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--brand-blue);
  transition: right var(--dur-base) var(--ease-out-quart);
}
.topnav-links a:not(.topnav-cta):hover { color: var(--fg-1); }
.topnav-links a:not(.topnav-cta):hover::after { right: 0; }
.topnav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  background: var(--brand-blue);
  color: #fff !important;
  font: 600 13px/1 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background var(--dur-fast) var(--ease-out-quart);
}
.topnav-cta:hover { background: var(--brand-blue-hover); }
.topnav-cta i { font-size: 15px; }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: clamp(56px, 9vw, 96px) clamp(20px, 5vw, 32px) clamp(64px, 10vw, 104px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 64px);
  align-items: center;
  border-bottom: 1px solid var(--border-default);
  position: relative;
  overflow: hidden;
}
.hero-meta { margin-bottom: 28px; }
.hero-title {
  font: 700 clamp(52px, 9vw, 124px) / 0.92 var(--font-mono);
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  color: var(--fg-1);
  text-wrap: balance;
}
.hero-deck {
  font: 400 clamp(17px, 2.2vw, 20px) / 1.5 var(--font-sans);
  color: var(--fg-3);
  max-width: 56ch;
  margin: 0 0 44px;
  text-wrap: pretty;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border-default);
}
.stat {
  padding: 20px;
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.stat:last-child { border-right: 0; }
.stat-num {
  font: 700 clamp(28px, 4vw, 36px) / 1 var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--brand-blue);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font: 700 10px/1.2 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.hero-art {
  position: relative;
  height: clamp(280px, 36vw, 480px);
  background: var(--brand-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-art-a {
  font: 700 clamp(220px, 36vw, 540px) / 1 var(--font-mono);
  color: rgba(255, 255, 255, 0.97);
  letter-spacing: -0.05em;
  transform: translateY(4%);
  user-select: none;
}
.hero-art::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 63px, rgba(255,255,255,0.08) 63px 64px),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(255,255,255,0.08) 63px 64px);
  pointer-events: none;
}

/* =====================================================
   SECTIONS
   ===================================================== */
.section {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: clamp(64px, 10vw, 96px) clamp(20px, 5vw, 32px);
  border-bottom: 1px solid var(--border-default);
}
.section-head {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: clamp(16px, 3vw, 32px);
  margin-bottom: clamp(40px, 6vw, 56px);
  align-items: flex-start;
}
.section-num {
  font: 700 clamp(44px, 6vw, 64px) / 0.9 var(--font-mono);
  color: var(--brand-blue);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.section-title {
  font: 700 clamp(32px, 5vw, 60px) / 1.02 var(--font-mono);
  letter-spacing: -0.03em;
  margin: 4px 0 16px;
  color: var(--fg-1);
  text-wrap: balance;
}
.section-deck {
  font: 400 clamp(16px, 2vw, 18px) / 1.55 var(--font-sans);
  color: var(--fg-3);
  max-width: 70ch;
  margin: 0;
  text-wrap: pretty;
}

/* =====================================================
   LOCKUP CARDS
   ===================================================== */
.lockup {
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  margin-bottom: 24px;
  transition: box-shadow var(--dur-base) var(--ease-out-quart),
              border-color var(--dur-base) var(--ease-out-quart);
}
.lockup:hover {
  box-shadow: var(--shadow-elevated);
  border-color: var(--fg-5);
}
.lockup-head {
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 32px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--border-default);
}
.lockup-head-l {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.lockup-num {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
}
.lockup-name {
  font: 700 clamp(24px, 3.4vw, 32px) / 1 var(--font-mono);
  letter-spacing: -0.015em;
  color: var(--fg-1);
  margin: 0;
}
.lockup-desc {
  font: 400 15px/1.5 var(--font-sans);
  color: var(--fg-3);
  max-width: 44ch;
  margin: 0;
  text-align: right;
}

.lockup-variants {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.variant {
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.variant:last-child { border-right: 0; }
.variant-preview {
  flex: 1;
  min-height: 220px;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background:
    linear-gradient(var(--bg-subtle), var(--bg-subtle)) padding-box;
}
.variant-preview-dark { background: #0E1525; }
.variant-preview img {
  max-width: 100%;
  max-height: 150px;
  width: auto;
  height: auto;
  transition: transform var(--dur-base) var(--ease-out-quart);
}
.variant:hover .variant-preview img { transform: scale(1.04); }
.variant-info {
  padding: 14px 16px;
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  gap: 10px;
}
.variant-chip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.variant-name {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-1);
  flex: 1;
  min-width: 0;
}
.variant-downloads {
  padding: 12px 16px 16px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  border-top: 1px solid var(--border-default);
}
.variant-dl {
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 0;
  text-align: center;
  border: 1px solid var(--border-default);
  background: #fff;
  color: var(--fg-3);
  transition: background var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart),
              border-color var(--dur-fast) var(--ease-out-quart);
}
.variant-dl:hover {
  background: var(--brand-blue);
  color: #fff !important;
  border-color: var(--brand-blue);
}
.variant-dl:active { transform: scale(0.96); }

/* =====================================================
   COLOR
   ===================================================== */
.color-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  border: 1px solid var(--border-default);
}

/* Scoped sub-section header (Accent palette) */
.subsection-head {
  margin: clamp(40px, 6vw, 56px) 0 24px;
  padding-top: clamp(32px, 5vw, 44px);
  border-top: 1px solid var(--border-default);
}
.subsection-head .eyebrow { margin-bottom: 12px; }
.subsection-title {
  font: 700 clamp(22px, 3vw, 30px) / 1.1 var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: 0 0 10px;
}
.subsection-deck {
  font: 400 clamp(15px, 1.8vw, 16px) / 1.55 var(--font-sans);
  color: var(--fg-3);
  max-width: 64ch;
  margin: 0;
  text-wrap: pretty;
}
.subsection-deck strong { color: var(--fg-1); font-weight: 600; }

/* Accent grid — uniform 5-up, no oversized lead cell */
.color-grid-accent {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.color-grid-accent .swatch-chip { height: 150px; }
.swatch {
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.swatch:last-child { border-right: 0; }
.swatch-chip {
  height: 200px;
  border-bottom: 1px solid var(--border-default);
  position: relative;
}
.swatch-large .swatch-chip { height: 280px; }
.swatch-chip-ring {
  box-shadow: inset 0 0 0 1px var(--border-default);
}
.swatch-info {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.swatch-name {
  font: 700 18px/1.1 var(--font-mono);
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.swatch-meta {
  display: grid;
  gap: 6px;
}
.swatch-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 8px;
  align-items: baseline;
}
.swatch-key {
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.swatch-val {
  font: 700 13px/1.2 var(--font-mono);
  color: var(--fg-2);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

/* =====================================================
   TYPE
   ===================================================== */
.type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-default);
}
.type-card {
  padding: clamp(24px, 4vw, 36px) clamp(24px, 4vw, 36px) clamp(36px, 5vw, 48px);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.type-card:last-child { border-right: 0; }
.type-meta { margin-bottom: 28px; }
.type-name {
  font: 700 clamp(28px, 4vw, 36px) / 1.05 var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: 8px 0 12px;
}
.type-detail {
  font: 400 15px/1.55 var(--font-sans);
  color: var(--fg-3);
  max-width: 50ch;
}
.type-spec {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 32px;
}
.type-spec-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  font: 400 13px/1.4 var(--font-sans);
}
.type-spec-key {
  color: var(--fg-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.type-spec-val { color: var(--fg-1); font-weight: 600; }
.type-specimen {
  font-size: clamp(64px, 12vw, 160px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: auto 0 16px;
  overflow-wrap: anywhere;
}
.type-specimen-mono { font-family: var(--font-mono); font-weight: 700; }
.type-specimen-sans { font-family: var(--font-sans); font-weight: 700; }
.type-glyphs {
  font-size: clamp(18px, 3vw, 22px);
  color: var(--fg-3);
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.type-glyphs-mono { font-family: var(--font-mono); font-weight: 400; }
.type-glyphs-sans { font-family: var(--font-sans); font-weight: 500; }

/* =====================================================
   USAGE
   ===================================================== */
.usage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-default);
  margin-bottom: 24px;
}
.usage-card {
  padding: clamp(24px, 4vw, 36px);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.usage-card:last-child { border-right: 0; }
.usage-card-title {
  font: 700 clamp(20px, 3vw, 24px) / 1.2 var(--font-mono);
  letter-spacing: -0.01em;
  color: var(--fg-1);
  margin: 4px 0 0;
}
.usage-card-body {
  font: 400 15px/1.55 var(--font-sans);
  color: var(--fg-3);
  margin: 0;
  max-width: 48ch;
}
.usage-card-art {
  margin-top: 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  padding: clamp(24px, 5vw, 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  overflow: hidden;
}

/* Clear space art */
.clearspace-frame {
  position: relative;
  display: inline-block;
  padding: clamp(48px, 9vw, 80px);
  max-width: 100%;
}
.clearspace-logo {
  height: clamp(40px, 8vw, 60px);
  width: auto;
  display: block;
}
.clearspace-frame::before {
  content: '';
  position: absolute;
  inset: clamp(18px, 3.4vw, 30px);
  border: 1px dashed rgba(14, 73, 181, 0.35);
  pointer-events: none;
}
.clearspace-tick {
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--brand-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.clearspace-tick.t-t { top: 0; left: calc(50% - 9px); }
.clearspace-tick.t-r { right: 0; top: calc(50% - 9px); }
.clearspace-tick.t-b { bottom: 0; left: calc(50% - 9px); }
.clearspace-tick.t-l { left: 0; top: calc(50% - 9px); }
.clearspace-label {
  position: absolute;
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.clearspace-label.l-t { top: 22px; left: calc(50% - 4px); }
.clearspace-label.l-b { bottom: 22px; left: calc(50% - 4px); }
.clearspace-label.l-r { right: 22px; top: calc(50% - 6px); }
.clearspace-label.l-l { left: 22px; top: calc(50% - 6px); }

/* Min size art */
.usage-card-art-min {
  flex-direction: column;
  gap: clamp(28px, 5vw, 40px);
  align-items: flex-start;
}
.min-row {
  display: flex;
  align-items: flex-end;
  gap: clamp(16px, 3vw, 24px);
  flex-wrap: wrap;
}
.min-row-h { align-items: center; }
.min-row img { width: auto; }
.min-caption {
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-left: 8px;
}

/* Do / Don't */
.dodont-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-default);
}
.dodont-card {
  padding: clamp(24px, 4vw, 32px);
  border-right: 1px solid var(--border-default);
}
.dodont-card:last-child { border-right: 0; }
.dodont-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding: 6px 10px;
  border-radius: var(--radius-badge);
}
.dodont-do .dodont-tag { background: var(--success-surface); color: var(--success); }
.dodont-dont .dodont-tag { background: var(--danger-surface); color: var(--danger); }
.dodont-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dodont-card li {
  font: 400 15px/1.5 var(--font-sans);
  color: var(--fg-2);
  padding-left: 22px;
  position: relative;
}
.dodont-do li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 0;
  font: 700 16px/1.5 var(--font-mono);
  color: var(--success);
}
.dodont-dont li::before {
  content: '–';
  position: absolute;
  left: 0;
  top: 0;
  font: 700 16px/1.5 var(--font-mono);
  color: var(--danger);
}

/* =====================================================
   DOWNLOADS
   ===================================================== */
.section-downloads {
  background: var(--brand-blue);
  border-bottom: 0;
  position: relative;
  overflow: hidden;
}
.section-downloads::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 63px, rgba(255,255,255,0.05) 63px 64px),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(255,255,255,0.05) 63px 64px);
  pointer-events: none;
}
.section-downloads .section-head,
.section-downloads .section-num,
.section-downloads .section-title { color: #fff !important; }
.section-downloads .section-head .eyebrow,
.section-downloads .section-deck { color: rgba(255, 255, 255, 0.72) !important; }

.downloads-cards {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 24px;
}
.dl-card {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: clamp(24px, 4vw, 32px);
  background: #fff;
  color: var(--fg-1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition: transform var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo);
}
.dl-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.25); }
.dl-card-icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.dl-card-icon i {
  font-size: 32px;
  color: var(--brand-blue);
}
.dl-card-body { flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.dl-card-title {
  font: 700 clamp(18px, 3vw, 22px) / 1.1 var(--font-mono);
  letter-spacing: -0.01em;
  color: var(--fg-1);
  word-break: break-word;
}
.dl-card-meta {
  font: 400 13px/1.4 var(--font-sans);
  color: var(--fg-3);
}
.dl-card-arrow {
  width: 48px;
  height: 48px;
  background: var(--fg-1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease-out-quart);
}
.dl-card-arrow i { font-size: 22px; }
.dl-card:hover .dl-card-arrow { background: var(--brand-blue); }

.dl-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.dl-card-small {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition: background var(--dur-fast) var(--ease-out-quart),
              transform var(--dur-base) var(--ease-out-expo),
              border-color var(--dur-fast) var(--ease-out-quart);
}
.dl-card-small:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.4);
}
.dl-card-small:active { transform: translateY(0); }
.dl-card-small-name {
  font: 700 16px/1.1 var(--font-mono);
  letter-spacing: -0.01em;
  color: #fff;
}
.dl-card-small-meta {
  font: 400 12px/1.4 var(--font-sans);
  color: rgba(255, 255, 255, 0.68);
}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
  background: var(--fg-1);
  color: #fff;
}
.site-footer-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 56px) clamp(20px, 5vw, 32px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand img { width: 32px; height: 32px; }
.footer-brand .eyebrow { color: rgba(255, 255, 255, 0.6); }
.footer-tagline {
  font: 700 18px/1.2 var(--font-mono);
  letter-spacing: -0.01em;
  color: #fff;
  margin-top: 4px;
}
.footer-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 24px;
  align-items: baseline;
}
.footer-meta-key {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.footer-meta-val {
  font: 400 14px/1.3 var(--font-sans);
  color: #fff;
}
.footer-meta-val a { border-bottom: 1px solid rgba(255,255,255,0.3); transition: border-color var(--dur-fast) var(--ease-out-quart); }
.footer-meta-val a:hover { border-color: #fff; }

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-legal-inner {
  padding-top: 24px;
  padding-bottom: 28px;
}
.footer-copyright {
  font: 700 11px/1.5 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* =====================================================
   RESPONSIVE — mobile-first overrides, max-width cascade
   ===================================================== */

/* Tablet / small desktop ---------------------------------- */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .color-grid { grid-template-columns: 1fr 1fr; }
  .swatch:nth-child(2n) { border-right: 0; }
  .swatch:nth-child(n+3) { border-top: 1px solid var(--border-default); }
  .swatch-large { grid-column: 1 / -1; }
  .swatch-large .swatch-chip { height: 220px; }
  /* Accent grid: 2-up, last odd cell spans full width */
  .color-grid-accent { grid-template-columns: 1fr 1fr; }
  .color-grid-accent .swatch:nth-child(2n) { border-right: 0; }
  .color-grid-accent .swatch:nth-child(n+3) { border-top: 1px solid var(--border-default); }
  .color-grid-accent .swatch:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .color-grid-accent .swatch-chip { height: 130px; }
  .type-grid { grid-template-columns: 1fr; }
  .type-card { border-right: 0; border-bottom: 1px solid var(--border-default); }
  .type-card:last-child { border-bottom: 0; }
  .usage-grid { grid-template-columns: 1fr; }
  .usage-card { border-right: 0; border-bottom: 1px solid var(--border-default); }
  .usage-card:last-child { border-bottom: 0; }
  .dodont-grid { grid-template-columns: 1fr; }
  .dodont-card { border-right: 0; border-bottom: 1px solid var(--border-default); }
  .dodont-card:last-child { border-bottom: 0; }
  .downloads-cards { grid-template-columns: 1fr; }
  .lockup-variants { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lockup-variants .variant:nth-child(3) { border-right: 0; }
  .lockup-variants .variant:nth-child(n+4) { border-top: 1px solid var(--border-default); }
}

/* Collapse nav into a drawer ------------------------------ */
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .topnav-section { display: none; }

  .topnav-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(82vw, 340px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 88px 28px 32px;
    background: var(--bg-page);
    border-left: 1px solid var(--border-default);
    transform: translateX(100%);
    transition: transform var(--dur-base) var(--ease-out-expo);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.nav-open .topnav-links { transform: translateX(0); }
  body.nav-open .nav-toggle .ph-list { display: none; }
  body.nav-open .nav-toggle .ph-x { display: block; }

  .topnav-links a:not(.topnav-cta) {
    padding: 18px 0;
    font-size: 17px;
    color: var(--fg-1);
    border-bottom: 1px solid var(--border-default);
  }
  .topnav-links a:not(.topnav-cta)::after { display: none; }
  .topnav-cta {
    margin-top: 24px;
    justify-content: center;
    padding: 16px;
    font-size: 14px;
  }
  .topnav-cta span { display: inline; }

  /* Scrim behind the open drawer */
  body.nav-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 40;
    animation: scrim-in var(--dur-base) var(--ease-out-quart);
  }
  @keyframes scrim-in { from { opacity: 0; } to { opacity: 1; } }
}

/* Phone --------------------------------------------------- */
@media (max-width: 640px) {
  .section-head { grid-template-columns: 1fr; gap: 10px; }
  .section-num {
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    line-height: 1;
  }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--border-default); }
  .lockup-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .lockup-desc { text-align: left; }
  .lockup-variants { grid-template-columns: 1fr 1fr; }
  .variant:nth-child(odd) { border-right: 1px solid var(--border-default); }
  .variant:nth-child(even) { border-right: 0; }
  .variant:nth-child(n+3) { border-top: 1px solid var(--border-default); }
  .variant-preview { min-height: 180px; padding: 24px 16px; }
  .variant-downloads { gap: 4px; padding: 12px; }
  .variant-dl { font-size: 9px; padding: 9px 0; }
  .color-grid { grid-template-columns: 1fr; }
  .swatch { border-right: 0; border-bottom: 1px solid var(--border-default); }
  .swatch:last-child { border-bottom: 0; }
  .swatch:nth-child(n+3) { border-top: 0; }
  .color-grid-accent .swatch:last-child:nth-child(odd) { grid-column: auto; }
  .color-grid-accent .swatch-chip { height: 120px; }
  .footer-meta { grid-template-columns: 1fr; gap: 2px; }
  .footer-meta-key { margin-top: 12px; }
  .footer-meta-key:first-child { margin-top: 0; }
}

/* Small phone — single-column variants -------------------- */
@media (max-width: 420px) {
  .lockup-variants { grid-template-columns: 1fr; }
  .variant { border-right: 0 !important; }
  .variant:not(:first-child) { border-top: 1px solid var(--border-default); }
  .variant-downloads { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

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