/* ============================================================
   MILANO ENGENHARIA — DESIGN SYSTEM STYLES
   ============================================================ */

/* ——— LAYOUT ——— */
.page {
  min-height: 100vh;
  background: var(--bg-canvas);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: clamp(64px, 10vh, 128px);
  border-top: 1px solid var(--border-subtle);
}
.section:first-of-type { border-top: none; }

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: var(--sp-12);
  align-items: start;
  margin-bottom: var(--sp-12);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-subtle);
}
@media (max-width: 720px) {
  .section-header { grid-template-columns: 1fr; gap: var(--sp-6); }
}

.section-id {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.section-id::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--signal-500);
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-32), 5vw, var(--fs-64));
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  margin: var(--sp-3) 0 0;
  text-transform: uppercase;
}

.section-description {
  font-size: var(--fs-18);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  max-width: 56ch;
  text-wrap: pretty;
}

/* ——— HERO ——— */
.hero {
  background: var(--ink-900);
  color: var(--ink-0);
  padding: clamp(48px, 8vh, 96px) 0 clamp(64px, 12vh, 144px);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--ink-800) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-800) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at top right, #000 20%, transparent 75%);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-12);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-8);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-400);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--ink-800);
}
.hero-meta span strong {
  color: var(--ink-0);
  font-weight: 500;
  margin-left: var(--sp-2);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-48), 10vw, var(--fs-96));
  line-height: 0.95;
  letter-spacing: var(--tracking-tighter);
  font-weight: 700;
  margin: 0;
  text-transform: uppercase;
}
.hero-title em {
  font-style: normal;
  color: var(--signal-500);
  font-weight: 400;
}
.hero-sub {
  font-size: var(--fs-20);
  line-height: var(--lh-relaxed);
  color: var(--ink-300);
  max-width: 60ch;
  margin: 0;
}
.hero-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding-bottom: var(--sp-8);
}
.hero-logo img {
  height: 56px;
  width: auto;
}
.hero-logo-text {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--ink-400);
  padding-left: var(--sp-4);
  border-left: 1px solid var(--ink-700);
  line-height: 1.5;
}
.hero-logo-text strong {
  display: block;
  color: var(--ink-0);
  font-weight: 500;
}

/* ——— TABLE OF CONTENTS ——— */
.toc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--ink-800);
  border: 1px solid var(--ink-800);
  margin-top: var(--sp-8);
}
.toc a {
  background: var(--ink-900);
  padding: var(--sp-6);
  text-decoration: none;
  color: var(--ink-0);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: background var(--dur-base) var(--ease-out);
}
.toc a:hover {
  background: var(--ink-800);
}
.toc a .num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--signal-500);
  letter-spacing: var(--tracking-wider);
}
.toc a .label {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-tight);
}

/* ============================================================
   LOGO
   ============================================================ */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6);
}
.logo-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.logo-card .stage {
  flex: 1;
  display: grid;
  place-items: center;
  padding: var(--sp-8);
  position: relative;
}
.logo-card .stage img {
  max-height: 180px;
  width: auto;
}
.logo-card.on-dark .stage { background: var(--ink-900); }
.logo-card.on-mid .stage  { background: var(--ink-600); }
.logo-card.on-light .stage { background: var(--ink-50); }
.logo-card.on-white .stage { background: var(--ink-0); }

.logo-card footer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}
.logo-card footer .label { color: var(--text-primary); font-weight: 500; }
.logo-card footer .meta { color: var(--text-tertiary); }

/* Clear space visualization */
.clearspace-viz {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: var(--sp-12);
  display: grid;
  place-items: center;
  position: relative;
}
.clearspace-box {
  position: relative;
  padding: 72px;
  outline: 1px dashed var(--signal-500);
  outline-offset: 0;
}
.clearspace-box img {
  max-height: 140px;
  display: block;
}
.clearspace-box::before, .clearspace-box::after {
  position: absolute;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--signal-600);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}
.clearspace-box::before { content: "X"; top: -8px; left: 50%; transform: translate(-50%, -50%); background: var(--bg-surface); padding: 0 6px; }
.clearspace-box::after { content: "X"; bottom: -8px; left: 50%; transform: translate(-50%, 50%); background: var(--bg-surface); padding: 0 6px; }

/* Misuse grid */
.misuse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-4);
}
.misuse-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  aspect-ratio: 1 / 1;
  position: relative;
  display: grid;
  place-items: center;
  padding: var(--sp-6);
  overflow: hidden;
}
.misuse-card img { max-width: 80%; max-height: 80%; }
.misuse-card .tag {
  position: absolute;
  top: var(--sp-3); left: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.misuse-card .x {
  position: absolute;
  top: var(--sp-3); right: var(--sp-3);
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--ink-0);
  display: grid; place-items: center;
  font-size: var(--fs-14);
}
.misuse-card footer {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: var(--sp-3) var(--sp-4);
  background: var(--ink-900);
  color: var(--ink-0);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.misuse-card.stretched img { transform: scaleX(1.8); }
.misuse-card.rotated img { transform: rotate(12deg); }
.misuse-card.recolored img { filter: hue-rotate(120deg) saturate(3); }
.misuse-card.bad-bg { background: #c44; }

/* ============================================================
   COLORS
   ============================================================ */
.color-scale {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}
@media (max-width: 720px) {
  .color-scale { grid-template-columns: repeat(6, 1fr); }
}
.color-swatch {
  aspect-ratio: 1 / 1.3;
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.3;
  position: relative;
  border-right: 1px solid rgba(0,0,0,0.05);
}
.color-swatch:last-child { border-right: none; }
.color-swatch .step {
  position: absolute;
  top: var(--sp-3); left: var(--sp-3);
  opacity: 0.7;
  font-size: var(--fs-12);
}
.color-swatch .hex {
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.semantic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-4);
  margin-top: var(--sp-8);
}
.semantic-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  overflow: hidden;
}
.semantic-card .preview {
  height: 120px;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: var(--fs-40);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
}
.semantic-card footer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wide);
}
.semantic-card footer .name {
  color: var(--text-primary);
  font-weight: 500;
  display: block;
  margin-bottom: 2px;
}
.semantic-card footer .role {
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.type-stack { display: grid; gap: var(--sp-8); }

.type-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--sp-8);
  padding: var(--sp-6) 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: baseline;
}
@media (max-width: 720px) {
  .type-row { grid-template-columns: 1fr; }
}
.type-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.type-meta strong { color: var(--text-primary); font-weight: 500; }

.type-sample { text-wrap: balance; }

.t-display-xl { font-family: var(--font-display); font-size: clamp(48px, 8vw, 96px); font-weight: 700; letter-spacing: var(--tracking-tighter); line-height: 0.95; text-transform: uppercase; }
.t-display-lg { font-family: var(--font-display); font-size: clamp(40px, 6vw, 72px); font-weight: 700; letter-spacing: var(--tracking-tight); line-height: 1; text-transform: uppercase; }
.t-display-md { font-family: var(--font-display); font-size: clamp(32px, 4vw, 48px); font-weight: 600; letter-spacing: var(--tracking-tight); line-height: 1.05; text-transform: uppercase; }
.t-heading-lg { font-family: var(--font-display); font-size: var(--fs-32); font-weight: 600; letter-spacing: var(--tracking-tight); line-height: 1.1; }
.t-heading-md { font-family: var(--font-display); font-size: var(--fs-24); font-weight: 600; letter-spacing: var(--tracking-normal); line-height: 1.2; }
.t-heading-sm { font-family: var(--font-display); font-size: var(--fs-20); font-weight: 600; letter-spacing: var(--tracking-normal); line-height: 1.3; }
.t-body-lg    { font-family: var(--font-body); font-size: var(--fs-20); font-weight: 400; line-height: 1.55; }
.t-body       { font-family: var(--font-body); font-size: var(--fs-16); font-weight: 400; line-height: 1.55; }
.t-body-sm    { font-family: var(--font-body); font-size: var(--fs-14); font-weight: 400; line-height: 1.5; }
.t-caption    { font-family: var(--font-body); font-size: var(--fs-13); font-weight: 500; line-height: 1.4; color: var(--text-secondary); }
.t-eyebrow    { font-family: var(--font-mono); font-size: var(--fs-12); font-weight: 500; letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--text-tertiary); }
.t-mono       { font-family: var(--font-mono); font-size: var(--fs-14); font-weight: 400; line-height: 1.5; }

/* Type specimen hero */
.type-specimen {
  background: var(--ink-900);
  color: var(--ink-0);
  padding: var(--sp-16) var(--sp-10);
  margin-bottom: var(--sp-12);
  overflow: hidden;
}
.type-specimen .mega {
  font-family: var(--font-display);
  font-size: clamp(80px, 18vw, 260px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  font-weight: 700;
  text-transform: uppercase;
  margin: 0;
}
.type-specimen .mega em {
  font-style: normal;
  color: var(--signal-500);
}
.type-specimen .spec-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--ink-800);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-400);
}
.type-specimen .spec-meta b { color: var(--ink-0); font-weight: 500; }

/* ============================================================
   SPACING / GRID / RADIUS / SHADOW
   ============================================================ */
.token-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-4);
}
.token-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-height: 160px;
}
.token-card .preview {
  flex: 1;
  display: grid;
  place-items: center;
  background: var(--ink-50);
  border: 1px dashed var(--border-default);
  position: relative;
}
.token-card .meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wide);
}
.token-card .meta .name { color: var(--text-primary); font-weight: 500; }
.token-card .meta .value { color: var(--text-tertiary); }

.spacing-bar {
  background: var(--signal-500);
  height: 12px;
}

.radius-shape {
  width: 80px; height: 80px;
  background: var(--ink-900);
}

.shadow-shape {
  width: 80px; height: 80px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

/* Grid demo */
.grid-demo {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 8px;
  padding: var(--sp-4);
  background: var(--ink-50);
  border: 1px solid var(--border-subtle);
}
.grid-demo .col {
  background: rgba(232, 163, 23, 0.15);
  border: 1px dashed var(--signal-500);
  height: 80px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--signal-600);
}

/* ============================================================
   COMPONENTS
   ============================================================ */
.component-block {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  margin-bottom: var(--sp-6);
  overflow: hidden;
}
.component-block header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--ink-50);
}
.component-block header h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-tight);
}
.component-block header .tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wide);
}
.component-stage {
  padding: var(--sp-10);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
  min-height: 160px;
  background:
    linear-gradient(var(--ink-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-100) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}
.component-stage.dark {
  background-color: var(--ink-900);
  background-image:
    linear-gradient(var(--ink-800) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-800) 1px, transparent 1px);
}
.component-stage.stack { flex-direction: column; align-items: stretch; }
.component-stage.center { justify-content: center; }

/* ——— BUTTONS ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 12px 20px;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-1);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--signal-500); outline-offset: 2px; }

.btn-primary {
  background: var(--signal-500);
  color: var(--ink-0);
  border-color: var(--signal-500);
}
.btn-primary:hover { background: var(--signal-400); border-color: var(--signal-400); }

.btn-accent {
  background: var(--signal-500);
  color: var(--ink-0);
  border-color: var(--signal-500);
}
.btn-accent:hover { background: var(--signal-600); border-color: var(--signal-600); }

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--ink-900); color: var(--ink-0); border-color: var(--ink-900); }

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: transparent;
  padding-inline: 12px;
}
.btn-ghost:hover { background: var(--ink-100); }

.btn.on-dark.btn-secondary {
  color: var(--ink-0);
  border-color: var(--signal-100);
}
.btn.on-dark.btn-secondary:hover { background: var(--signal-100); color: var(--signal-600); border-color: var(--signal-100); }

.btn-sm { padding: 8px 14px; font-size: var(--fs-13); }
.btn-lg { padding: 16px 28px; font-size: var(--fs-15); }

.btn .arrow {
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ——— BADGES ——— */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-1);
}
.badge-default { background: var(--ink-100); color: var(--ink-700); }
.badge-solid   { background: var(--ink-900); color: var(--ink-0); }
.badge-accent  { background: var(--signal-100); color: var(--signal-600); }
.badge-outline { background: transparent; color: var(--ink-700); border: 1px solid var(--border-default); }
.badge-dot::before {
  content: "";
  width: 6px; height: 6px;
  background: currentColor;
  display: inline-block;
  border-radius: 50%;
}

/* ——— INPUTS ——— */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 360px;
  width: 100%;
}
.field label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-secondary);
}
.field .input,
.field .textarea,
.field .select {
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: var(--fs-15);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-radius: var(--radius-1);
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.field .input:focus,
.field .textarea:focus,
.field .select:focus {
  outline: none;
  border-color: var(--ink-900);
  box-shadow: 0 0 0 3px rgba(10, 10, 11, 0.08);
}
.field .help {
  font-size: var(--fs-13);
  color: var(--text-tertiary);
}
.field.error .input { border-color: #b91c1c; }
.field.error .help { color: #b91c1c; }
.field .textarea { resize: vertical; min-height: 100px; }

/* ——— CARD — PROJETO ——— */
.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  max-width: 400px;
}
.project-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.project-card .media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--ink-700), var(--ink-900));
  position: relative;
  overflow: hidden;
}
.project-card .media::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}
.project-card .media::after {
  content: "";
  position: absolute;
  bottom: 20%; left: 10%; right: 40%;
  height: 55%;
  background:
    linear-gradient(180deg, transparent 40%, rgba(10,10,11,0.6) 100%),
    repeating-linear-gradient(90deg, var(--ink-600) 0 8px, var(--ink-700) 8px 16px);
  border: 1px solid var(--ink-500);
}
.project-card .meta-top {
  position: absolute;
  top: var(--sp-4); left: var(--sp-4);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--ink-300);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  z-index: 1;
}
.project-card .status {
  position: absolute;
  top: var(--sp-4); right: var(--sp-4);
  z-index: 1;
}
.project-card .content {
  padding: var(--sp-5) var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.project-card h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
}
.project-card .location {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  text-transform: uppercase;
}
.project-card .specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--sp-2);
}
.project-card .specs div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.project-card .specs .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.project-card .specs .v {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 600;
  color: var(--text-primary);
}

/* ——— SERVICE CARD ——— */
.service-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: 360px;
  position: relative;
  transition: background var(--dur-base);
}
.service-card:hover { background: var(--ink-900); color: var(--ink-0); }
.service-card:hover .svc-num { color: var(--signal-500); }
.service-card:hover h4 { color: var(--ink-0); }
.service-card:hover p { color: var(--ink-300); }

.service-card .svc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wider);
}
.service-card h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 600;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: var(--tracking-tight);
  transition: color var(--dur-base);
}
.service-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--fs-15);
  line-height: 1.55;
  transition: color var(--dur-base);
}
.service-card .arrow {
  margin-top: auto;
  width: 36px; height: 36px;
  border: 1px solid currentColor;
  display: grid; place-items: center;
  border-radius: 50%;
  transition: all var(--dur-base);
}
.service-card:hover .arrow { background: var(--signal-500); color: var(--ink-0); border-color: var(--signal-500); }

/* ——— STATS ROW ——— */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}
.stat {
  background: var(--bg-surface);
  padding: var(--sp-8) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.stat .value {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}
.stat .value sup { font-size: 0.4em; vertical-align: super; color: var(--signal-500); }
.stat .label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ——— NAV BAR ——— */
.nav-preview {
  background: var(--ink-900);
  color: var(--ink-0);
  padding: var(--sp-4) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--ink-800);
}
.nav-preview .brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.nav-preview .brand img { height: 32px; }
.nav-preview .brand-text {
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding-left: var(--sp-3);
  border-left: 1px solid var(--ink-700);
  line-height: 1.2;
}
.nav-preview .brand-text small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--ink-400);
  letter-spacing: var(--tracking-wider);
  margin-top: 2px;
}
.nav-preview nav {
  display: flex;
  gap: var(--sp-8);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 500;
}
.nav-preview nav a {
  color: var(--ink-300);
  text-decoration: none;
  padding: 6px 0;
  position: relative;
}
.nav-preview nav a.active { color: var(--ink-0); }
.nav-preview nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--signal-500);
}

/* ——— FOOTER ——— */
.page-footer {
  background: var(--ink-950);
  color: var(--ink-300);
  padding: var(--sp-16) 0 var(--sp-6);
  margin-top: var(--sp-24);
}
.page-footer .footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr));
  gap: var(--sp-8);
}
@media (max-width: 720px) {
  .page-footer .footer-inner { grid-template-columns: 1fr 1fr; }
}
.page-footer h5 {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-500);
  margin: 0 0 var(--sp-4);
}
.page-footer ul {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.page-footer ul a {
  color: var(--ink-0);
  text-decoration: none;
  font-size: var(--fs-15);
}
.page-footer ul a:hover { color: var(--signal-500); }
.page-footer .meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-6);
  margin-top: var(--sp-12);
  border-top: 1px solid var(--ink-800);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-500);
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* ============================================================
   ICONS (Lucide)
   ============================================================ */
[data-lucide],
.icon-cell svg,
.svc-icon {
  stroke-width: 1.75;
  color: currentColor;
}

.icon-16 { width: 16px; height: 16px; }
.icon-20 { width: 20px; height: 20px; }
.icon-24 { width: 24px; height: 24px; }
.icon-40 { width: 40px; height: 40px; }

[data-lucide]:not([class*="icon-"]) { width: 24px; height: 24px; }

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}
.icon-cell {
  margin: 0;
  background: var(--bg-surface);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  transition: background var(--dur-base), color var(--dur-base);
  cursor: pointer;
}
.icon-cell:hover {
  background: var(--ink-900);
  color: var(--ink-0);
}
.icon-cell:hover svg { color: var(--signal-400); }
.icon-cell svg {
  width: 32px;
  height: 32px;
  color: var(--text-primary);
  transition: color var(--dur-base);
}
.icon-cell figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  text-align: center;
}
.icon-cell:hover figcaption { color: var(--ink-300); }

.icon-sizes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-4);
}
.icon-size-cell {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
}
.icon-size-cell .stage {
  padding: var(--sp-8);
  display: grid;
  place-items: center;
  background: var(--ink-50);
  border-bottom: 1px solid var(--border-subtle);
  min-height: 120px;
}
.icon-size-cell .meta {
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wide);
}
.icon-size-cell .meta .name { color: var(--text-primary); font-weight: 500; }
.icon-size-cell .meta .value { color: var(--text-tertiary); text-transform: uppercase; letter-spacing: var(--tracking-wider); }

.icon-rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-4);
}
.icon-rules .rule {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-height: 180px;
}
.icon-rules .preview {
  flex: 1;
  display: grid;
  place-items: center;
  background: var(--ink-50);
  padding: var(--sp-6);
  min-height: 100px;
}
.icon-rules .tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  display: flex; align-items: center; gap: var(--sp-2);
}
.icon-rules .rule.yes .tag::before { content: ""; width: 10px; height: 10px; background: var(--signal-500); }
.icon-rules .rule.no .tag::before { content: "\00d7"; font-size: 16px; color: var(--text-tertiary); line-height: 1; width: 10px; }
.icon-rules .rule.no .tag { color: var(--text-tertiary); }
.icon-rules p {
  margin: 0;
  font-size: var(--fs-13);
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Service card icon */
.service-card .svc-icon {
  width: 40px; height: 40px;
  color: var(--text-primary);
  stroke-width: 1.5;
  margin-bottom: var(--sp-2);
  transition: color var(--dur-base);
}
.service-card:hover .svc-icon { color: var(--signal-400); }

/* Button icon */
.btn svg { stroke-width: 2; flex-shrink: 0; }

/* ============================================================
   VOICE / DO & DON'T / PATTERNS
   ============================================================ */
.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}
@media (max-width: 720px) { .voice-grid { grid-template-columns: 1fr; } }
.voice-col {
  background: var(--bg-surface);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.voice-col .head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}
.voice-col.yes .head { color: var(--text-primary); }
.voice-col.yes .head::before {
  content: "";
  width: 10px; height: 10px;
  background: var(--signal-500);
}
.voice-col.no .head { color: var(--text-tertiary); }
.voice-col.no .head::before {
  content: "";
  width: 10px; height: 10px;
  border: 1px solid var(--border-default);
}
.voice-col ul {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.voice-col li {
  font-size: var(--fs-15);
  line-height: 1.5;
  padding-left: var(--sp-5);
  position: relative;
}
.voice-col.yes li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 1px;
  background: var(--text-primary);
}
.voice-col.no li::before {
  content: "×";
  position: absolute;
  left: 0; top: -1px;
  color: var(--text-tertiary);
}
.voice-col.no li { color: var(--text-tertiary); text-decoration: line-through; text-decoration-color: var(--border-default); }

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}
.principle {
  background: var(--bg-surface);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.principle .num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--signal-600);
  letter-spacing: var(--tracking-wider);
}
.principle h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
}
.principle p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--fs-15);
  line-height: 1.55;
}