/* =========================================================
   rogpe.tech — Brandbook
   Tokens, base, layout, componentes do documento
   ========================================================= */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* — Brand color: Plasma — */
  --plasma-50:  oklch(98% 0.012 285);
  --plasma-100: oklch(94% 0.035 285);
  --plasma-200: oklch(88% 0.07 285);
  --plasma-300: oklch(78% 0.13 285);
  --plasma-400: oklch(65% 0.20 285);
  --plasma-500: oklch(52% 0.245 285); /* primária */
  --plasma-600: oklch(45% 0.235 285);
  --plasma-700: oklch(37% 0.205 285);
  --plasma-800: oklch(28% 0.155 285);
  --plasma-900: oklch(18% 0.09 285);

  /* — Aurora (lavender quente) — */
  --aurora-100: oklch(96% 0.025 295);
  --aurora-300: oklch(88% 0.06 295);
  --aurora-500: oklch(75% 0.12 295);

  /* — Cosmos (preto refinado, com toque) — */
  --cosmos-50:  oklch(98% 0.004 285);
  --cosmos-100: oklch(95% 0.004 285);
  --cosmos-200: oklch(90% 0.005 285);
  --cosmos-300: oklch(82% 0.006 285);
  --cosmos-400: oklch(68% 0.007 285);
  --cosmos-500: oklch(52% 0.008 285);
  --cosmos-600: oklch(40% 0.008 285);
  --cosmos-700: oklch(28% 0.008 285);
  --cosmos-800: oklch(18% 0.009 285);
  --cosmos-900: oklch(11% 0.012 285);
  --cosmos-950: oklch(7%  0.015 285);

  /* — Quartzo (off-white quente, fundo principal) — */
  --quartzo: oklch(98.5% 0.004 285);
  --quartzo-warm: oklch(97% 0.008 90);

  /* — Semânticas — */
  --success: oklch(62% 0.16 155);
  --success-bg: oklch(95% 0.04 155);
  --warning: oklch(75% 0.16 75);
  --warning-bg: oklch(95% 0.05 75);
  --danger: oklch(58% 0.22 25);
  --danger-bg: oklch(95% 0.04 25);
  --info: oklch(60% 0.15 235);
  --info-bg: oklch(95% 0.04 235);

  /* — Tipografia — */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Type scale (1.250 — major third) */
  --text-2xs: 11px;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 22px;
  --text-2xl: 28px;
  --text-3xl: 36px;
  --text-4xl: 48px;
  --text-5xl: 64px;
  --text-6xl: 88px;
  --text-7xl: 120px;
  --text-8xl: 160px;

  /* Spacing (4px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;
  --s-11: 192px;

  /* Radius */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-2xl: 32px;
  --r-full: 9999px;

  /* Shadows (sutis, premium) */
  --shadow-xs: 0 1px 2px oklch(15% 0.02 285 / 0.04);
  --shadow-sm: 0 2px 4px oklch(15% 0.02 285 / 0.06), 0 1px 2px oklch(15% 0.02 285 / 0.04);
  --shadow-md: 0 8px 16px oklch(15% 0.02 285 / 0.08), 0 2px 4px oklch(15% 0.02 285 / 0.04);
  --shadow-lg: 0 20px 40px oklch(15% 0.02 285 / 0.10), 0 4px 8px oklch(15% 0.02 285 / 0.04);
  --shadow-plasma: 0 12px 32px oklch(52% 0.245 285 / 0.25);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-micro: 120ms;
  --dur-small: 200ms;
  --dur-med: 340ms;
  --dur-large: 560ms;

  /* Layout */
  --max-w: 1240px;
  --gutter: clamp(24px, 5vw, 80px);
}

/* ---------- RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--cosmos-900);
  background: var(--quartzo);
  font-feature-settings: 'ss01', 'cv11';
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }

/* ---------- TYPOGRAPHY UTILITIES ---------- */
.font-display { font-family: var(--font-display); letter-spacing: -0.02em; }
.font-mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cosmos-500);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--plasma-500);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: 1px;
}

/* ---------- TOP NAVIGATION ---------- */
.topnav {
  position: sticky; top: 0; z-index: 100;
  background: oklch(98.5% 0.004 285 / 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--cosmos-200);
}
.topnav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex; align-items: center; gap: 32px;
}
.topnav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.topnav-brand .mark { width: 24px; height: 24px; }
.topnav-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.04em;
}
.topnav-links {
  display: flex; gap: 22px;
  font-size: var(--text-sm);
  color: var(--cosmos-600);
}
.topnav-links a:hover { color: var(--plasma-500); }
@media (max-width: 880px) {
  .topnav-links { display: none; }
}

/* ---------- SECTION SCAFFOLD ---------- */
section {
  padding: var(--s-10) var(--gutter);
  border-bottom: 1px solid var(--cosmos-200);
}
section.dark {
  background: var(--cosmos-950);
  color: var(--cosmos-100);
  border-bottom-color: var(--cosmos-800);
}
section.tint {
  background: linear-gradient(180deg, var(--plasma-50) 0%, var(--quartzo) 100%);
}
.container { max-width: var(--max-w); margin: 0 auto; }

.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}
.section-head .label {
  position: sticky; top: 80px;
}
.section-head .label .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--cosmos-500);
  display: block;
  margin-bottom: 6px;
}
.section-head .label .name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--cosmos-900);
}
section.dark .section-head .label .name { color: var(--cosmos-100); }
section.dark .section-head .label .num { color: var(--cosmos-400); }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  text-wrap: balance;
  margin-bottom: 20px;
}
.section-head .desc {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--cosmos-600);
  max-width: 60ch;
  text-wrap: pretty;
}
section.dark .section-head .desc { color: var(--cosmos-300); }
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; }
  .section-head .label { position: static; }
}

/* ---------- HERO ---------- */
.hero {
  background: var(--cosmos-950);
  color: var(--cosmos-100);
  padding: 120px var(--gutter) 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 30%, oklch(52% 0.245 285 / 0.25), transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 80%, oklch(45% 0.235 285 / 0.18), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}
.hero-meta {
  display: flex;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-400);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 64px;
}
.hero-meta span::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--plasma-400);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: 1px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 9vw, 144px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.92;
  margin-bottom: 32px;
  text-wrap: balance;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, var(--plasma-300) 0%, var(--plasma-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--cosmos-300);
  max-width: 640px;
  margin-bottom: 80px;
  text-wrap: pretty;
}
.hero-grid-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 48px;
  border-top: 1px solid var(--cosmos-800);
}
.hero-grid-meta dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.hero-grid-meta dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--cosmos-100);
  letter-spacing: -0.01em;
}
@media (max-width: 720px) {
  .hero-grid-meta { grid-template-columns: repeat(2, 1fr); }
  .hero-meta { flex-wrap: wrap; gap: 12px 24px; }
}

/* ---------- TABLE OF CONTENTS ---------- */
.toc {
  background: var(--cosmos-950);
  color: var(--cosmos-100);
  border-bottom-color: var(--cosmos-800);
  padding-top: 64px;
}
.toc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--cosmos-800);
  border-left: 1px solid var(--cosmos-800);
}
.toc-item {
  padding: 28px 32px;
  border-right: 1px solid var(--cosmos-800);
  border-bottom: 1px solid var(--cosmos-800);
  display: flex;
  align-items: baseline;
  gap: 28px;
  transition: background var(--dur-small) var(--ease-out);
}
.toc-item:hover { background: var(--cosmos-900); }
.toc-item .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--plasma-400);
  letter-spacing: 0.15em;
  flex-shrink: 0;
  width: 32px;
}
.toc-item .name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  flex: 1;
}
.toc-item .arrow {
  font-family: var(--font-mono);
  color: var(--cosmos-400);
  transition: transform var(--dur-small) var(--ease-out);
}
.toc-item:hover .arrow { transform: translateX(4px); color: var(--plasma-400); }
@media (max-width: 720px) {
  .toc-grid { grid-template-columns: 1fr; }
}

/* ---------- ESSÊNCIA ---------- */
.essence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--cosmos-200);
  border: 1px solid var(--cosmos-200);
}
.essence-card {
  background: var(--quartzo);
  padding: 40px 32px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 280px;
}
.essence-card .glyph {
  width: 40px; height: 40px;
  color: var(--plasma-500);
}
.essence-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.essence-card p {
  color: var(--cosmos-600);
  line-height: 1.6;
}
.essence-card .pair {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.06em;
}
.essence-card .pair span:first-child { color: var(--plasma-600); }
.essence-card .pair span + span::before { content: ' / '; color: var(--cosmos-300); }
@media (max-width: 880px) {
  .essence-grid { grid-template-columns: 1fr; }
}

.tenets-list {
  margin-top: 80px;
  display: grid;
  gap: 0;
}
.tenet {
  padding: 32px 0;
  border-top: 1px solid var(--cosmos-200);
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.tenet:last-child { border-bottom: 1px solid var(--cosmos-200); }
.tenet .idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--plasma-500);
  letter-spacing: 0.1em;
}
.tenet h4 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}
.tenet p {
  color: var(--cosmos-600);
  line-height: 1.6;
  max-width: 50ch;
}
@media (max-width: 880px) {
  .tenet { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- LOGO ---------- */
.logo-hero {
  background: var(--cosmos-950);
  padding: 80px;
  border-radius: var(--r-2xl);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.logo-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, oklch(52% 0.245 285 / 0.15), transparent 70%);
  pointer-events: none;
}
.logo-hero svg { width: 360px; height: auto; position: relative; }

.logo-variants {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.logo-card {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 48px 32px 24px;
  display: flex; flex-direction: column; align-items: center;
  position: relative;
}
.logo-card.dark { background: var(--cosmos-950); border-color: transparent; }
.logo-card.plasma { background: var(--plasma-500); border-color: transparent; }
.logo-card.aurora { background: var(--aurora-100); border-color: transparent; }
.logo-card .preview {
  height: 120px;
  display: flex; align-items: center; justify-content: center;
  width: 100%;
}
.logo-card .preview svg { max-height: 80px; }
.logo-card .caption {
  margin-top: 32px;
  width: 100%;
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.06em;
  padding-top: 16px;
  border-top: 1px solid var(--cosmos-200);
}
.logo-card.dark .caption { color: var(--cosmos-400); border-color: var(--cosmos-800); }
.logo-card.plasma .caption { color: var(--plasma-100); border-color: oklch(100% 0 0 / 0.15); }
.logo-card.aurora .caption { color: var(--plasma-700); border-color: var(--aurora-300); }
@media (max-width: 720px) {
  .logo-variants { grid-template-columns: 1fr; }
  .logo-hero { padding: 48px 24px; }
  .logo-hero svg { width: 100%; }
}

.clearspace {
  background: var(--cosmos-50);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}
.clearspace-illu {
  position: relative;
  aspect-ratio: 1.2;
  background:
    repeating-linear-gradient(0deg, transparent 0 24px, var(--cosmos-200) 24px 25px),
    repeating-linear-gradient(90deg, transparent 0 24px, var(--cosmos-200) 24px 25px),
    var(--quartzo);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.clearspace-illu .x-tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--plasma-600);
  background: var(--plasma-100);
  padding: 2px 8px;
  border-radius: var(--r-xs);
}
.clearspace-illu .x-tag.t { top: 8px; left: 50%; transform: translateX(-50%); }
.clearspace-illu .x-tag.b { bottom: 8px; left: 50%; transform: translateX(-50%); }
.clearspace-illu .x-tag.l { left: 8px; top: 50%; transform: translateY(-50%); }
.clearspace-illu .x-tag.r { right: 8px; top: 50%; transform: translateY(-50%); }
.clearspace-illu .frame {
  border: 1.5px dashed var(--plasma-500);
  width: 60%; height: 60%;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
}
.clearspace-illu .frame svg { width: 60%; }
.clearspace-text h4 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.clearspace-text p { color: var(--cosmos-600); line-height: 1.6; margin-bottom: 16px; }
.clearspace-text dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 24px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.clearspace-text dt { color: var(--cosmos-500); }
.clearspace-text dd { margin: 0; color: var(--cosmos-900); }
@media (max-width: 720px) {
  .clearspace { grid-template-columns: 1fr; padding: 24px; }
}

.donts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.dont {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.dont .visual {
  aspect-ratio: 1.3;
  background: var(--cosmos-100);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.dont .visual::after {
  content: '';
  position: absolute;
  top: 12px; right: 12px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--danger);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E");
  background-size: 16px;
  background-position: center;
  background-repeat: no-repeat;
}
.dont .label {
  padding: 16px 20px;
  font-size: var(--text-sm);
  color: var(--cosmos-700);
  border-top: 1px solid var(--cosmos-200);
}
@media (max-width: 720px) {
  .donts { grid-template-columns: 1fr 1fr; }
}

/* ---------- COLOR SYSTEM ---------- */
.color-hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 1px;
  background: var(--cosmos-200);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.color-card-big {
  background: var(--plasma-500);
  color: white;
  padding: 32px;
  min-height: 360px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.color-card-big::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, oklch(100% 0 0 / 0.15), transparent 50%);
  pointer-events: none;
}
.color-card-big .name {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  letter-spacing: -0.025em;
  position: relative;
}
.color-card-big .role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  position: relative;
}
.color-card-big dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  position: relative;
}
.color-card-big dt { opacity: 0.6; }
.color-card-big dd { margin: 0; }
.color-card-side {
  display: flex; flex-direction: column;
}
.color-half {
  flex: 1;
  padding: 24px;
  display: flex; flex-direction: column; justify-content: space-between;
  min-height: 180px;
  position: relative;
}
.color-half .name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.015em;
}
.color-half .meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  opacity: 0.7;
}
.color-half.cosmos { background: var(--cosmos-950); color: white; }
.color-half.quartzo { background: var(--quartzo); color: var(--cosmos-900); border-top: 1px solid var(--cosmos-200); }
.color-half.aurora { background: var(--aurora-300); color: var(--plasma-900); }
.color-half.carbon { background: var(--cosmos-700); color: white; border-top: 1px solid var(--cosmos-800); }

@media (max-width: 880px) {
  .color-hero { grid-template-columns: 1fr; }
}

/* Tints / shades scale */
.scale-block { margin-bottom: 48px; }
.scale-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 16px;
}
.scale-head h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.scale-head .desc { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--cosmos-500); }
.scale-row {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--cosmos-200);
}
.scale-row .swatch {
  aspect-ratio: 1;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 10px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.2;
  transition: transform var(--dur-small) var(--ease-out);
}
.scale-row .swatch:hover { transform: translateY(-2px); }
.scale-row .swatch .num { font-weight: 600; }
.scale-row .swatch .hex { opacity: 0.7; margin-top: 2px; }

/* Semantic colors row */
.semantic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 48px;
}
.sem-card {
  border-radius: var(--r-lg);
  padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 180px;
  border: 1px solid var(--cosmos-200);
}
.sem-card .dot {
  width: 24px; height: 24px; border-radius: 50%;
}
.sem-card .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.sem-card .role { font-size: var(--text-sm); color: var(--cosmos-600); }
.sem-card .hex {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.04em;
}
@media (max-width: 880px) {
  .semantic-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Combos / pairings */
.combos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.combo {
  border-radius: var(--r-md);
  padding: 24px;
  min-height: 140px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.combo .label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.combo .sample {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.combo.good { border: 1px solid var(--cosmos-200); }
.combo.good::before {
  content: '✓ AA / AAA';
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--success);
  letter-spacing: 0.06em;
}
.combo.bad { border: 1px solid var(--cosmos-200); position: relative; }
.combo.bad::before {
  content: '✗ Baixo contraste';
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--danger);
  letter-spacing: 0.06em;
}
@media (max-width: 720px) { .combos { grid-template-columns: 1fr; } }

/* ---------- TYPOGRAPHY ---------- */
.font-spec {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--cosmos-200);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.font-card {
  background: var(--quartzo);
  padding: 40px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 320px;
}
.font-card .role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--plasma-600);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.font-card .name {
  font-size: var(--text-5xl);
  letter-spacing: -0.04em;
  line-height: 0.95;
}
.font-card .alphabet {
  font-size: var(--text-2xl);
  color: var(--cosmos-500);
  letter-spacing: -0.01em;
  margin-top: auto;
}
.font-card .weights {
  display: flex; gap: 16px; flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  padding-top: 16px;
  border-top: 1px solid var(--cosmos-200);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.font-card.display .name { font-family: var(--font-display); }
.font-card.body .name { font-family: var(--font-body); font-weight: 400; }

.type-scale {
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.type-row {
  display: grid;
  grid-template-columns: 80px 1fr 200px;
  align-items: baseline;
  gap: 24px;
  padding: 20px 32px;
  border-top: 1px solid var(--cosmos-200);
}
.type-row:first-child { border-top: none; }
.type-row .name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.06em;
}
.type-row .sample {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--cosmos-900);
}
.type-row .meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.04em;
  text-align: right;
}
@media (max-width: 720px) {
  .type-row { grid-template-columns: 1fr; padding: 16px 20px; gap: 8px; }
  .type-row .meta { text-align: left; }
}

.type-pairing {
  margin-top: 48px;
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 48px;
}
.type-pairing .eyebrow { margin-bottom: 16px; }
.type-pairing h3 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 16px;
  text-wrap: balance;
}
.type-pairing p {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--cosmos-600);
  max-width: 60ch;
  text-wrap: pretty;
}

/* ---------- ICONOGRAPHY ---------- */
.icon-style-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.icon-style {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-md);
  padding: 20px;
}
.icon-style .label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--cosmos-500);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.icon-style .value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
}
@media (max-width: 720px) { .icon-style-bar { grid-template-columns: repeat(2, 1fr); } }

.icon-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1px;
  background: var(--cosmos-200);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.icon-cell {
  background: var(--quartzo);
  padding: 32px 16px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  transition: background var(--dur-small) var(--ease-out);
}
.icon-cell:hover { background: var(--plasma-50); }
.icon-cell svg { color: var(--cosmos-800); width: 28px; height: 28px; }
.icon-cell .iname {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cosmos-500);
  letter-spacing: 0.04em;
}
@media (max-width: 880px) { .icon-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 480px) { .icon-grid { grid-template-columns: repeat(3, 1fr); } }

.icon-anatomy {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 48px;
  background: var(--cosmos-50);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
}
.icon-anatomy-visual {
  background: var(--quartzo);
  border-radius: var(--r-md);
  aspect-ratio: 1.2;
  display: flex; align-items: center; justify-content: center;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 23px, var(--cosmos-200) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, var(--cosmos-200) 23px 24px);
}
.icon-anatomy-visual svg { width: 60%; color: var(--plasma-500); }
.icon-anatomy h4 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.icon-anatomy ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.icon-anatomy li {
  display: flex; align-items: baseline; gap: 12px;
  font-size: var(--text-sm); color: var(--cosmos-600);
}
.icon-anatomy li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--plasma-500);
  border-radius: 50%;
  flex-shrink: 0;
  transform: translateY(-2px);
}
@media (max-width: 720px) { .icon-anatomy { grid-template-columns: 1fr; padding: 24px; } }

/* ---------- GRID & SPACING ---------- */
.grid-demo {
  background: var(--cosmos-950);
  border-radius: var(--r-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  margin-bottom: 48px;
}
.grid-demo .cols {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  min-height: 240px;
}
.grid-demo .col {
  background: var(--plasma-500);
  opacity: 0.35;
  border-radius: var(--r-xs);
}
.grid-demo .overlay-card {
  position: absolute;
  top: 32px; left: 32px; right: 32px;
  display: grid;
  grid-template-columns: 4fr 3fr 5fr;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-300);
  letter-spacing: 0.06em;
  align-items: stretch;
  pointer-events: none;
}
.grid-demo .overlay-card span {
  background: oklch(100% 0 0 / 0.06);
  border: 1px solid oklch(100% 0 0 / 0.1);
  border-radius: var(--r-xs);
  padding: 12px;
  height: 240px;
  display: flex; align-items: flex-end;
}

.spacing-vis {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 4px;
  align-items: end;
  background: var(--cosmos-50);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 32px;
  min-height: 280px;
}
.spacing-vis .bar {
  background: var(--plasma-500);
  border-radius: 4px 4px 0 0;
  display: flex; flex-direction: column-reverse;
  align-items: center;
  padding-bottom: 8px;
  color: white;
  font-family: var(--font-mono);
  font-size: 10px;
}
.spacing-vis .bar .px {
  position: absolute;
  margin-top: -20px;
  color: var(--cosmos-700);
  background: var(--quartzo);
  padding: 0 4px;
  border-radius: 2px;
}
.spacing-vis .bar .tok {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.04em;
  font-size: 9px;
}

.spacing-table {
  margin-top: 24px;
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.spacing-row {
  display: grid;
  grid-template-columns: 80px 1fr 100px;
  align-items: center;
  padding: 12px 24px;
  border-top: 1px solid var(--cosmos-200);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.spacing-row:first-child { border-top: none; background: var(--cosmos-100); }
.spacing-row .tok { color: var(--plasma-600); letter-spacing: 0.06em; }
.spacing-row .px { color: var(--cosmos-900); }
.spacing-row .vis { display: flex; align-items: center; }
.spacing-row .vis i { display: block; height: 14px; background: var(--plasma-500); border-radius: 2px; }

.radius-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  margin-top: 32px;
}
.radius-card {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
  align-items: center;
}
.radius-card .shape {
  width: 56px; height: 56px;
  background: var(--plasma-500);
}
.radius-card .name { font-family: var(--font-mono); font-size: 10px; color: var(--cosmos-500); letter-spacing: 0.06em; }
.radius-card .val { font-family: var(--font-mono); font-size: var(--text-xs); }
@media (max-width: 720px) { .radius-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- COMPONENTS ---------- */
.cmp-section { margin-bottom: 64px; }
.cmp-section h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.cmp-section .meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
.cmp-stage {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 40px;
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
}
.cmp-stage.col { flex-direction: column; align-items: stretch; }
.cmp-stage.dark { background: var(--cosmos-950); border-color: transparent; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: all var(--dur-small) var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--plasma-500); color: white; }
.btn-primary:hover { background: var(--plasma-600); box-shadow: var(--shadow-plasma); }
.btn-secondary { background: var(--cosmos-900); color: white; }
.btn-secondary:hover { background: var(--cosmos-800); }
.btn-outline { background: transparent; color: var(--cosmos-900); border-color: var(--cosmos-300); }
.btn-outline:hover { background: var(--cosmos-100); border-color: var(--cosmos-400); }
.btn-ghost { background: transparent; color: var(--cosmos-700); }
.btn-ghost:hover { background: var(--cosmos-100); }
.btn-sm { padding: 6px 12px; font-size: var(--text-xs); border-radius: var(--r-sm); }
.btn-lg { padding: 14px 24px; font-size: var(--text-base); border-radius: var(--r-md); }

/* Inputs */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 240px; }
.field label { font-size: var(--text-xs); color: var(--cosmos-600); font-weight: 500; letter-spacing: 0.02em; }
.field input, .field select, .field textarea {
  padding: 10px 14px;
  border: 1px solid var(--cosmos-300);
  border-radius: var(--r-md);
  font: inherit;
  font-size: var(--text-sm);
  background: white;
  color: var(--cosmos-900);
  transition: border var(--dur-small) var(--ease-out), box-shadow var(--dur-small) var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--plasma-500);
  box-shadow: 0 0 0 3px oklch(52% 0.245 285 / 0.15);
}
.field .hint { font-size: var(--text-xs); color: var(--cosmos-500); }

.checkbox-row { display: flex; gap: 24px; flex-wrap: wrap; }
.chk { display: inline-flex; align-items: center; gap: 8px; font-size: var(--text-sm); color: var(--cosmos-800); cursor: pointer; }
.chk input { accent-color: var(--plasma-500); width: 16px; height: 16px; }

.switch {
  position: relative;
  width: 36px; height: 20px;
  background: var(--cosmos-300);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur-small);
}
.switch::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: white;
  border-radius: 50%;
  transition: transform var(--dur-small) var(--ease-out);
  box-shadow: var(--shadow-sm);
}
.switch.on { background: var(--plasma-500); }
.switch.on::after { transform: translateX(16px); }

/* Badges & chips */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.badge .d { width: 6px; height: 6px; border-radius: 50%; }
.badge-default { background: var(--cosmos-100); color: var(--cosmos-700); }
.badge-default .d { background: var(--cosmos-500); }
.badge-plasma { background: var(--plasma-100); color: var(--plasma-700); }
.badge-plasma .d { background: var(--plasma-500); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-success .d { background: var(--success); }
.badge-warning { background: var(--warning-bg); color: oklch(45% 0.16 75); }
.badge-warning .d { background: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-danger .d { background: var(--danger); }

/* Cards */
.card {
  background: white;
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 24px;
  min-width: 280px;
  flex: 1;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform var(--dur-small) var(--ease-out), box-shadow var(--dur-small) var(--ease-out);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card .hd { display: flex; align-items: center; gap: 12px; }
.card .ic {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: var(--plasma-100);
  color: var(--plasma-600);
  display: flex; align-items: center; justify-content: center;
}
.card .ttl { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
.card .desc { font-size: var(--text-sm); color: var(--cosmos-600); line-height: 1.5; }
.card .fo { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--cosmos-500); margin-top: auto; padding-top: 12px; border-top: 1px solid var(--cosmos-200); }

/* Alert */
.alert {
  display: flex; gap: 12px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  align-items: flex-start;
}
.alert .ic { width: 20px; height: 20px; flex-shrink: 0; }
.alert.info { background: var(--info-bg); color: var(--info); }
.alert.success { background: var(--success-bg); color: var(--success); }
.alert.warning { background: var(--warning-bg); color: oklch(45% 0.16 75); }
.alert.danger { background: var(--danger-bg); color: var(--danger); }

/* ---------- VOICE ---------- */
.voice-axes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--cosmos-200);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.voice-axis {
  background: var(--quartzo);
  padding: 32px;
}
.voice-axis .label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--plasma-600);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.voice-axis h4 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.voice-axis .scale {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  margin-bottom: 12px;
}
.voice-axis .scale .active { color: var(--plasma-600); font-weight: 600; }
.voice-axis .track {
  position: relative;
  height: 4px;
  background: var(--cosmos-200);
  border-radius: 2px;
}
.voice-axis .track::after {
  content: '';
  position: absolute;
  top: -4px;
  width: 12px; height: 12px;
  background: var(--plasma-500);
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}
.voice-axis.a1 .track::after { left: 65%; }
.voice-axis.a2 .track::after { left: 75%; }
.voice-axis.a3 .track::after { left: 55%; }

@media (max-width: 720px) { .voice-axes { grid-template-columns: 1fr; } }

.dodont {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.dodont-card {
  border-radius: var(--r-lg);
  padding: 24px 28px;
  border: 1px solid;
  display: flex; flex-direction: column; gap: 16px;
}
.dodont-card.do { border-color: oklch(62% 0.16 155 / 0.3); background: oklch(62% 0.16 155 / 0.05); }
.dodont-card.dont { border-color: oklch(58% 0.22 25 / 0.3); background: oklch(58% 0.22 25 / 0.05); }
.dodont-card .head { display: flex; align-items: center; gap: 8px; }
.dodont-card .head .tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: var(--r-xs);
}
.dodont-card.do .head .tag { background: var(--success); color: white; }
.dodont-card.dont .head .tag { background: var(--danger); color: white; }
.dodont-card .head .title { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
.dodont-card .quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  letter-spacing: -0.01em;
  font-weight: 400;
  color: var(--cosmos-900);
}
.dodont-card.dont .quote { color: var(--cosmos-600); text-decoration: line-through; text-decoration-color: oklch(58% 0.22 25 / 0.4); }
.dodont-card .why { font-size: var(--text-sm); color: var(--cosmos-600); }
@media (max-width: 720px) { .dodont { grid-template-columns: 1fr; } }

.lex {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.lex-card {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-md);
  padding: 24px;
}
.lex-card .label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--plasma-600);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.lex-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.lex-card li {
  display: flex; align-items: baseline; gap: 12px;
  font-size: var(--text-sm);
}
.lex-card.use li::before { content: '+'; color: var(--success); font-weight: 600; }
.lex-card.avoid li::before { content: '−'; color: var(--danger); font-weight: 600; }
.lex-card.prefer li {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: baseline;
}
.lex-card.prefer .from { color: var(--cosmos-500); text-decoration: line-through; }
.lex-card.prefer .arr { color: var(--cosmos-400); font-family: var(--font-mono); }
.lex-card.prefer .to { color: var(--cosmos-900); font-weight: 500; }
@media (max-width: 720px) { .lex { grid-template-columns: 1fr; } }

/* ---------- APPLICATIONS ---------- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.app-card {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.app-card .stage {
  flex: 1;
  min-height: 220px;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.app-card .cap {
  padding: 16px 20px;
  border-top: 1px solid var(--cosmos-200);
  display: flex; justify-content: space-between; align-items: baseline;
}
.app-card .cap .name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); letter-spacing: -0.005em; }
.app-card .cap .dim { font-family: var(--font-mono); font-size: 10px; color: var(--cosmos-500); letter-spacing: 0.06em; }

.app-card.col-2 { grid-column: span 2; }
.app-card.col-3 { grid-column: span 3; }
.app-card.col-4 { grid-column: span 4; }
.app-card.col-6 { grid-column: span 6; }

@media (max-width: 880px) {
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .app-card.col-2, .app-card.col-3, .app-card.col-4, .app-card.col-6 { grid-column: span 2; }
}

/* Business card mock */
.bizcard {
  width: 320px;
  aspect-ratio: 1.75;
  background: var(--cosmos-950);
  color: white;
  border-radius: 8px;
  padding: 22px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.bizcard::before {
  content: '';
  position: absolute;
  width: 200%; height: 200%;
  top: -50%; left: 40%;
  background: radial-gradient(circle at center, oklch(52% 0.245 285 / 0.5), transparent 50%);
  pointer-events: none;
}
.bizcard.front .name { font-family: var(--font-display); font-size: 17px; font-weight: 500; letter-spacing: -0.015em; }
.bizcard.front .role { font-family: var(--font-mono); font-size: 10px; color: var(--cosmos-400); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; }
.bizcard.front .meta { font-family: var(--font-mono); font-size: 10px; color: var(--cosmos-300); letter-spacing: 0.04em; line-height: 1.5; position: relative; }
.bizcard.back {
  background: var(--plasma-500);
  align-items: center; justify-content: center;
}
.bizcard.back::before { display: none; }
.bizcard.back svg { width: 60%; }
.bizcard.back .url {
  position: absolute; bottom: 22px; left: 22px;
  font-family: var(--font-mono); font-size: 10px;
  color: white; letter-spacing: 0.08em;
}

/* Letterhead */
.letterhead {
  width: 100%;
  aspect-ratio: 0.707;
  background: white;
  border: 1px solid var(--cosmos-200);
  border-radius: 4px;
  padding: 32px 24px;
  display: flex; flex-direction: column; gap: 20px;
  font-size: 9px;
  line-height: 1.5;
  color: var(--cosmos-700);
}
.letterhead .top { display: flex; justify-content: space-between; align-items: flex-start; }
.letterhead .top .brand { display: flex; align-items: center; gap: 8px; }
.letterhead .top .brand .wmk { font-family: var(--font-display); font-weight: 600; font-size: 14px; color: var(--cosmos-900); letter-spacing: -0.02em; }
.letterhead .top svg { width: 24px; }
.letterhead .top .meta { font-family: var(--font-mono); font-size: 7px; color: var(--cosmos-500); letter-spacing: 0.06em; text-align: right; }
.letterhead .body { color: var(--cosmos-600); }
.letterhead .body p { margin-bottom: 8px; }
.letterhead .accent { width: 24px; height: 2px; background: var(--plasma-500); margin: 0; }

/* Email signature */
.email-sig {
  background: white;
  padding: 24px;
  border: 1px solid var(--cosmos-200);
  border-radius: 4px;
  font-family: var(--font-body);
  display: flex; gap: 16px;
  width: 100%;
}
.email-sig .avatar {
  width: 56px; height: 56px;
  background: var(--plasma-500);
  border-radius: 8px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: white;
}
.email-sig .avatar svg { width: 32px; }
.email-sig .info { display: flex; flex-direction: column; gap: 2px; }
.email-sig .info .nm { font-family: var(--font-display); font-weight: 600; font-size: 13px; color: var(--cosmos-900); letter-spacing: -0.01em; }
.email-sig .info .rl { font-size: 11px; color: var(--cosmos-600); }
.email-sig .info .sep { width: 16px; height: 2px; background: var(--plasma-500); margin: 6px 0; }
.email-sig .info .ln { font-family: var(--font-mono); font-size: 10px; color: var(--cosmos-500); letter-spacing: 0.04em; }

/* ---------- CAROUSEL ---------- */
.carousel-section { background: var(--cosmos-50); }
.carousel-row {
  display: flex; gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  margin-bottom: 48px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.carousel-row::-webkit-scrollbar { height: 6px; }
.carousel-row::-webkit-scrollbar-track { background: var(--cosmos-100); border-radius: 3px; }
.carousel-row::-webkit-scrollbar-thumb { background: var(--cosmos-300); border-radius: 3px; }

.slide {
  flex-shrink: 0;
  width: 360px;
  aspect-ratio: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  scroll-snap-align: start;
  position: relative;
  padding: 32px;
  display: flex;
  box-shadow: var(--shadow-md);
}
.slide.portrait { aspect-ratio: 4/5; }
.slide .num {
  position: absolute;
  top: 24px; right: 24px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
}
.slide .wmk {
  position: absolute;
  bottom: 24px; left: 24px;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: -0.01em;
}
.slide .wmk svg { width: 18px; }

.slide-1 { background: var(--cosmos-950); color: white; flex-direction: column; justify-content: space-between; }
.slide-1::before {
  content: '';
  position: absolute;
  width: 60%; height: 60%;
  bottom: -10%; right: -10%;
  background: radial-gradient(circle at center, oklch(52% 0.245 285 / 0.4), transparent 60%);
}
.slide-1 .ttl { font-family: var(--font-display); font-size: 44px; line-height: 0.95; letter-spacing: -0.035em; font-weight: 500; position: relative; max-width: 90%; }
.slide-1 .ttl em { font-style: normal; color: var(--plasma-300); }
.slide-1 .tag { font-family: var(--font-mono); font-size: 11px; color: var(--plasma-400); letter-spacing: 0.12em; text-transform: uppercase; }

.slide-2 { background: var(--plasma-500); color: white; flex-direction: column; justify-content: flex-end; padding-bottom: 56px; }
.slide-2 .num { color: oklch(100% 0 0 / 0.7); }
.slide-2 .big {
  font-family: var(--font-display); font-size: 80px; font-weight: 500; line-height: 0.85; letter-spacing: -0.04em;
}
.slide-2 .sub { font-size: 13px; margin-top: 12px; max-width: 80%; line-height: 1.4; color: oklch(100% 0 0 / 0.85); }
.slide-2 .wmk { color: white; }

.slide-3 { background: var(--quartzo); color: var(--cosmos-900); flex-direction: column; justify-content: space-between; }
.slide-3 .num { color: var(--cosmos-500); }
.slide-3 .quote { font-family: var(--font-display); font-size: 24px; font-weight: 400; letter-spacing: -0.02em; line-height: 1.25; text-wrap: balance; }
.slide-3 .quote::before { content: '«'; color: var(--plasma-500); font-size: 60px; line-height: 0; vertical-align: -15px; margin-right: 6px; }
.slide-3 .author { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.slide-3 .author .av { width: 32px; height: 32px; border-radius: 50%; background: var(--cosmos-300); }
.slide-3 .author .nm { font-weight: 600; }
.slide-3 .author .rl { color: var(--cosmos-500); font-size: 11px; }

.slide-4 {
  background: var(--cosmos-950); color: white;
  flex-direction: column; justify-content: space-between;
}
.slide-4 .num { color: var(--cosmos-400); }
.slide-4 .step {
  display: flex; align-items: baseline; gap: 16px;
  border-top: 1px solid var(--cosmos-800);
  padding-top: 16px;
}
.slide-4 .step .i { font-family: var(--font-mono); font-size: 11px; color: var(--plasma-400); letter-spacing: 0.1em; width: 32px; }
.slide-4 .step .t { font-family: var(--font-display); font-size: 17px; font-weight: 500; letter-spacing: -0.01em; }
.slide-4 .steps { display: flex; flex-direction: column; gap: 14px; }
.slide-4 .head { font-family: var(--font-display); font-size: 26px; font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; }

.slide-5 { background: var(--aurora-100); color: var(--plasma-900); flex-direction: column; justify-content: space-between; }
.slide-5 .num { color: var(--plasma-700); }
.slide-5 .data { font-family: var(--font-display); font-size: 96px; font-weight: 500; line-height: 0.9; letter-spacing: -0.04em; color: var(--plasma-700); }
.slide-5 .label { font-family: var(--font-mono); font-size: 11px; color: var(--plasma-700); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 8px; }
.slide-5 .ctx { font-size: 13px; line-height: 1.4; max-width: 80%; color: var(--plasma-900); }
.slide-5 .wmk { color: var(--plasma-900); }

.slide-cta { background: var(--cosmos-950); color: white; flex-direction: column; justify-content: center; align-items: center; text-align: center; }
.slide-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, oklch(52% 0.245 285 / 0.3), transparent 60%);
}
.slide-cta .cta-txt { font-family: var(--font-display); font-size: 36px; line-height: 1; letter-spacing: -0.03em; font-weight: 500; position: relative; text-wrap: balance; }
.slide-cta .cta-link {
  margin-top: 24px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: var(--plasma-500);
  color: white;
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  position: relative;
}

/* ---------- MOTION ---------- */
.motion-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.motion-card {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 220px;
}
.motion-card .name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); letter-spacing: -0.01em; }
.motion-card .ms { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--cosmos-500); letter-spacing: 0.06em; }
.motion-card .demo {
  height: 24px;
  background: var(--cosmos-200);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}
.motion-card .demo::after {
  content: '';
  position: absolute;
  top: 4px; left: 4px;
  width: 16px; height: 16px;
  background: var(--plasma-500);
  border-radius: 50%;
  animation: motion-pulse 2.4s infinite;
}
.motion-card.micro .demo::after { animation-duration: 0.6s; }
.motion-card.small .demo::after { animation-duration: 1s; }
.motion-card.med .demo::after { animation-duration: 1.6s; }
.motion-card.large .demo::after { animation-duration: 2.6s; }
.motion-card p { font-size: var(--text-sm); color: var(--cosmos-600); line-height: 1.55; }
@keyframes motion-pulse {
  0% { left: 4px; }
  50% { left: calc(100% - 20px); }
  100% { left: 4px; }
}
@media (max-width: 720px) { .motion-grid { grid-template-columns: 1fr; } }

.easing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.easing-card {
  background: var(--quartzo);
  border: 1px solid var(--cosmos-200);
  border-radius: var(--r-lg);
  padding: 24px;
}
.easing-card .name { font-family: var(--font-display); font-weight: 600; }
.easing-card .curve { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--cosmos-500); margin-top: 4px; }
.easing-card .svgwrap { margin-top: 16px; height: 80px; }
.easing-card svg { width: 100%; height: 100%; }

/* ---------- PORTFOLIO ---------- */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.brand-tile {
  background: var(--cosmos-950);
  color: white;
  border-radius: var(--r-lg);
  padding: 28px;
  min-height: 200px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-small) var(--ease-out);
  border: 1px solid var(--cosmos-800);
}
.brand-tile:hover { transform: translateY(-3px); border-color: var(--plasma-500); }
.brand-tile::before {
  content: '';
  position: absolute;
  width: 120px; height: 120px;
  bottom: -40px; right: -40px;
  background: radial-gradient(circle at center, var(--tile-glow, oklch(52% 0.245 285)), transparent 60%);
  opacity: 0.4;
  pointer-events: none;
}
.brand-tile .b-mark {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: var(--tile-glow, var(--plasma-500));
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  position: relative;
}
.brand-tile .b-name { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; letter-spacing: -0.01em; position: relative; }
.brand-tile .b-desc { font-size: var(--text-xs); color: var(--cosmos-300); line-height: 1.5; position: relative; max-width: 95%; }
.brand-tile .b-meta { font-family: var(--font-mono); font-size: 10px; color: var(--cosmos-500); letter-spacing: 0.08em; text-transform: uppercase; position: relative; }
@media (max-width: 880px) { .brands-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- FOOTER ---------- */
footer.foot {
  background: var(--cosmos-950);
  color: var(--cosmos-300);
  padding: 80px var(--gutter) 32px;
}
.foot-inner { max-width: var(--max-w); margin: 0 auto; }
.foot-top { display: flex; justify-content: space-between; align-items: flex-end; padding-bottom: 64px; border-bottom: 1px solid var(--cosmos-800); flex-wrap: wrap; gap: 32px; }
.foot-top .mark { width: 64px; }
.foot-top h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.95;
  color: white;
  text-wrap: balance;
  max-width: 14ch;
}
.foot-meta {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cosmos-500);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
}
.foot-meta a:hover { color: var(--plasma-400); }