/* ─── Tokens ────────────────────────────────────────────────── */
:root {
  --bg:          #EFEFF7;
  --ink:         #33256A;
  --mid:         #6B5F80;
  --rule:        #D4CFEA;
  --teal:        #40C9A2;
  --teal-dark:   #2FA882;
  --teal-pale:   #A8EDD9;
  --white:       #ffffff;
  --f-display:   'Inconsolata', monospace;
  --f-body:      'Montserrat', system-ui, sans-serif;
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-body);
  font-weight: 300;
  line-height: 1.65;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ─── NAV ───────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(51, 37, 106, 0.85);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-links {
  display: none;
  gap: 2.5rem;
  align-items: center;
}
.nav-link {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--teal); }
.nav-cta {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--teal);
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--teal-dark); }

/* ─── Logo ──────────────────────────────────────────────────── */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  position: relative;
  z-index: 50;
}
.site-logo__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1.5px solid rgba(255,255,255,0.15);
}
.site-logo__avatar img { width: 100%; height: 100%; }
.site-logo__wordmark { height: 13px; width: auto; }

/* ─── Hamburger ─────────────────────────────────────────────── */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  margin-right: -0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: white;
  transform-origin: center;
  transition: transform 0.3s, opacity 0.3s;
}

/* ─── Mobile menu ───────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-family: var(--f-display);
  font-size: 1.875rem;
  color: white;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--teal); }
.mobile-menu__cta {
  margin-top: 0.5rem;
  font-family: var(--f-body) !important;
  font-size: 0.875rem !important;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink) !important;
  background: var(--teal);
  padding: 0.75rem 2rem;
  border-radius: 9999px;
}
.mobile-menu__cta:hover { background: var(--teal-dark); color: var(--ink) !important; }

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(155deg, #33256A 0%, #1e1645 100%);
}
.hero__inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 7rem 1.5rem 0;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}
.hero__title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 11vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: white;
}
.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--teal);
}
.hero__bio {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.hero__tagline {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  border-left: 2px solid var(--teal);
  padding-left: 1rem;
  line-height: 1.6;
}
.hero__body {
  font-size: 0.93rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.55);
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* ─── Button ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--teal);
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }

/* ─── Stats bar ─────────────────────────────────────────────── */
.stats-wrap {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stat { padding: 1.25rem 1rem 1.25rem 0; }
.stat:nth-child(1) { border-right: 1px solid var(--rule); }
.stat:nth-child(2) { padding-left: 1rem; }
.stat:nth-child(3) { border-top: 1px solid var(--rule); border-right: 1px solid var(--rule); }
.stat:nth-child(4) { border-top: 1px solid var(--rule); padding-left: 1rem; }
.stat__num {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.9rem;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat__num span { color: var(--teal); }
.stat__label {
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  line-height: 1.3;
}

/* ─── Work section ──────────────────────────────────────────── */
.work-section {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.work-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3rem 0 1.5rem;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
}
.section-label::before {
  content: '';
  display: block;
  width: 1.75rem;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
  flex-shrink: 0;
}
.all-link {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  transition: color 0.2s;
}
.all-link:hover { color: var(--teal); }

.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-bottom: 2rem;
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  display: block;
  background: white;
  border: 1px solid var(--rule);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  color: var(--ink);
}
.card:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(64,201,162,0.13);
}
.card:hover .card__arrow {
  transform: rotate(45deg);
  background: var(--teal);
  border-color: var(--teal);
  color: white;
}

/* Browser mock */
.card__browser { display: none; flex-direction: column; }
.card--featured .card__browser { height: 240px; }
.card:not(.card--featured) .card__browser { height: 200px; }

.browser-chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.browser-dots { display: flex; gap: 4px; }
.dot { display: block; width: 8px; height: 8px; border-radius: 50%; }
.dot--red    { background: #FF5F57; }
.dot--yellow { background: #FEBC2E; }
.dot--green  { background: #28C840; }
.browser-url {
  flex: 1;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  padding: 0.2rem 0.75rem;
  font-size: 0.55rem;
  color: rgba(255,255,255,0.3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.browser-url--dim { color: rgba(255,255,255,0.28); }

.browser-screen {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Screen themes */
.screen-commerce { background: linear-gradient(155deg, #33256A 0%, #4A3585 100%); }
.screen-ar       { background: linear-gradient(140deg, #1A1040 0%, #2A1E58 50%, #3A2870 100%); }
.screen-sg       { background: #FCFBFE; }
.screen-dark     { background: linear-gradient(160deg, #33256A 0%, #4A3585 100%); }

/* Commerce screen internals */
.screen-glow {
  position: absolute;
  width: 250px; height: 250px;
  top: -80px; right: -40px;
  background: radial-gradient(circle, rgba(64,201,162,0.3) 0%, transparent 70%);
  pointer-events: none;
}
.screen-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem 0.75rem;
}
.screen-logo-bar { width: 56px; height: 8px; background: rgba(255,255,255,0.65); border-radius: 3px; }
.screen-nav-links { display: flex; gap: 12px; }
.screen-nav-link { width: 28px; height: 6px; background: rgba(255,255,255,0.18); border-radius: 3px; }
.screen-body { padding: 0 1.25rem; }
.screen-eyebrow { font-size: 0.42rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--teal-pale); margin-bottom: 6px; }
.screen-heading { font-family: var(--f-display); font-weight: 700; font-size: 1.4rem; color: white; line-height: 1.05; margin-bottom: 12px; }
.screen-heading em { font-style: italic; font-weight: 400; color: var(--teal-pale); }
.screen-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.screen-product { border-radius: 4px; overflow: hidden; }
.product-img { height: 40px; }
.product-lines { padding: 6px; background: rgba(255,255,255,0.05); }
.product-line { height: 4px; background: rgba(255,255,255,0.22); border-radius: 2px; margin-bottom: 4px; }
.product-line--short { width: 60%; background: rgba(255,255,255,0.1); margin-bottom: 0; }

/* AR screen internals */
.ar-badge {
  display: inline-block;
  font-size: 0.48rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 9999px;
  background: rgba(64,201,162,0.2);
  border: 1px solid rgba(64,201,162,0.45);
  color: var(--teal-pale);
  margin: 1rem 0 0.5rem 1rem;
}
.ar-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  line-height: 1.15;
  padding: 0 1rem;
  margin-bottom: 0.75rem;
}
.ar-orb {
  position: relative;
  margin: 0 1rem;
  height: 64px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(64,201,162,0.25);
}
.ar-ring--sm { width: 60px; height: 60px; }
.ar-ring--lg { width: 100px; height: 100px; border-color: rgba(64,201,162,0.12); }
.ar-core {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(64,201,162,0.7), rgba(168,237,217,0.4));
  position: relative;
  z-index: 1;
}
.ar-scanline {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(64,201,162,0.9), transparent);
  animation: scan 2.4s ease-in-out infinite;
}
@keyframes scan {
  0%,100% { top: 15%; opacity: 0; }
  50%      { top: 85%; opacity: 1; }
}

/* Style guide screen internals */
.sg-label {
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  padding: 0.75rem 1rem 0.5rem;
}
.sg-swatches { display: flex; gap: 6px; padding: 0 1rem 0.5rem; }
.swatch { width: 24px; height: 24px; border-radius: 4px; }
.swatch--teal  { background: var(--teal); }
.swatch--ink   { background: var(--ink); }
.swatch--bg    { background: var(--bg); border: 1px solid var(--rule); }
.swatch--pale  { background: var(--teal-pale); }
.swatch--white { background: white; border: 1px solid var(--rule); }
.sg-type-heading { font-family: var(--f-display); font-weight: 700; font-size: 1.1rem; color: var(--ink); padding: 0 1rem; line-height: 1; }
.sg-type-body { font-size: 0.55rem; color: var(--mid); padding: 4px 1rem 8px; }
.sg-components { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 0 1rem; }
.sg-component { background: var(--bg); border: 1px solid var(--rule); border-radius: 4px; padding: 8px; }
.sg-bar { height: 4px; border-radius: 2px; margin-bottom: 4px; }
.sg-bar--teal  { background: var(--teal); width: 60%; }
.sg-bar--pale  { background: var(--teal-pale); width: 50%; }
.sg-bar--rule  { background: var(--rule); width: 92%; }
.sg-bar--short { width: 80%; }
.sg-btn { height: 10px; border-radius: 9999px; margin-top: 6px; }
.sg-btn--teal { background: var(--teal); width: 56px; }
.sg-btn--ink  { background: var(--ink); width: 48px; }

/* Card body */
.card__body {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.5rem;
}
.card__content { flex: 1; min-width: 0; }
.card__meta {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.375rem;
}
.card__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.15;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.card__desc { font-size: 0.82rem; color: var(--mid); line-height: 1.65; }
.card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}
.card__stat-num {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--ink);
}
.card__stat-num span { color: var(--teal); }
.card__stat-label { font-size: 0.6rem; color: var(--mid); margin-top: 4px; }
.card__arrow {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mid);
  flex-shrink: 0;
  font-size: 1rem;
  transition: transform 0.25s, background 0.25s, border-color 0.25s, color 0.25s;
}

/* ─── Grad placeholders ─────────────────────────────────────── */
.grad-1 { background: linear-gradient(135deg, #2FA882, #40C9A2); }
.grad-2 { background: linear-gradient(135deg, #1A3A5C, #2E6B9E); }
.grad-3 { background: linear-gradient(135deg, #1A3A2A, #2E7A50); }
.grad-4 { background: linear-gradient(135deg, #3A1A1A, #7A3030); }

/* ─── Detail preview section ────────────────────────────────── */
.preview-section {
  background: var(--ink);
  margin-top: 3rem;
  padding: 4rem 1.5rem;
}
.preview-inner { max-width: 1300px; margin: 0 auto; }
.preview-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-pale);
  margin-bottom: 2.5rem;
}
.preview-label::before {
  content: '';
  display: block;
  width: 1.75rem; height: 2px;
  background: var(--teal);
  border-radius: 2px;
  flex-shrink: 0;
}
.preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

/* Device mock */
.preview-device { display: none; position: relative; }
.device-glow {
  position: absolute;
  width: 450px; height: 450px;
  top: -128px; right: -80px;
  background: radial-gradient(circle, rgba(64,201,162,0.22) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.device-frame {
  position: relative;
  z-index: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: -24px 24px 72px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.04);
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
}
.device-eyebrow { font-size: 0.56rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.25); margin-bottom: 0.5rem; }
.device-heading { font-family: var(--f-display); font-weight: 700; font-size: 1.7rem; color: white; line-height: 1.1; margin-bottom: 0.25rem; }
.device-heading em { font-style: italic; font-weight: 400; color: var(--teal-pale); }
.screen-dark { padding: 2rem; min-height: 320px; }
.device-lines { display: flex; flex-direction: column; gap: 6px; margin-bottom: 1.25rem; }
.device-line { height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; width: 92%; }
.device-line--med { width: 80%; }
.device-line--short { width: 50%; }
.device-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.device-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: 8px; padding: 10px; }
.device-card-img { height: 48px; border-radius: 4px; margin-bottom: 8px; }
.device-card-line { height: 4px; background: rgba(255,255,255,0.14); border-radius: 2px; margin-bottom: 6px; }
.device-card-line--short { width: 60%; background: rgba(255,255,255,0.07); }

/* Preview info panel */
.preview-info { color: white; }
.preview-info__eyebrow { font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.28); margin-bottom: 0.75rem; }
.preview-info__heading { font-family: var(--f-display); font-weight: 700; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.05; margin-bottom: 1.25rem; color: white; }
.preview-info__heading em { font-style: italic; font-weight: 400; color: var(--teal-pale); }
.preview-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tag {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.4);
}
.tag--teal { border-color: var(--teal); color: var(--teal-pale); background: rgba(64,201,162,0.15); }
.preview-info__outcomes-label { font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.28); margin-bottom: 1rem; }
.outcomes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1.5rem; }
.outcome { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: 8px; padding: 1rem; }
.outcome__num { font-family: var(--f-display); font-weight: 700; font-size: 1.6rem; color: white; line-height: 1; margin-bottom: 6px; }
.outcome__num span { color: var(--teal-pale); }
.outcome__label { font-size: 0.65rem; color: rgba(255,255,255,0.38); line-height: 1.4; }

/* ─── Disciplines ───────────────────────────────────────────── */
.disciplines-section { padding: 4rem 1.5rem; }
.disciplines-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.disciplines-heading h2 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  line-height: 1.1;
  color: var(--ink);
}
.disciplines-heading em { font-style: italic; font-weight: 400; color: var(--teal); }
.disciplines-grid { display: grid; grid-template-columns: 1fr 1fr; }
.discipline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem 0.75rem 0;
  font-size: 0.75rem;
  color: var(--mid);
}
.discipline--bb { border-bottom: 1px solid var(--rule); }
.discipline--br { border-right: 1px solid var(--rule); }
.discipline:nth-child(even) { padding-left: 1.25rem; padding-right: 0; }
.discipline__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  padding: 2.5rem 1.5rem;
}
.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-links a {
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.22);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--teal-pale); }

/* ─── Animations ────────────────────────────────────────────── */
.anim-1 { opacity: 0; animation: fadeUp 0.75s ease 0.05s forwards; }
.anim-2 { opacity: 0; animation: fadeUp 0.75s ease 0.18s forwards; }
.anim-3 { opacity: 0; animation: fadeUp 0.6s ease 0.28s forwards; }
.anim-4 { opacity: 0; animation: fadeUp 0.6s ease 0.38s forwards; }
.anim-5 { opacity: 0; animation: fadeUp 0.6s ease 0.48s forwards; }
.anim-6 { opacity: 0; animation: fadeUp 0.6s ease 0.58s forwards; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive — tablet (640px+) ─────────────────────────── */
@media (min-width: 640px) {
  .card__browser { display: flex; }
  .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; }
  .footer-links { flex-direction: row; gap: 1.5rem; }
}

/* ─── Responsive — md (768px+) ─────────────────────────────── */
@media (min-width: 768px) {
  .site-nav { padding: 1.25rem 3rem; }
  .nav-links { display: flex; }
  .hamburger { display: none; }

  .hero__inner { padding: 9rem 3rem 0; }
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3.5rem;
  }
  .hero__tagline { font-size: 1.05rem; }
  .hero__bio { gap: 1.75rem; padding-bottom: 0.5rem; }

  .stats-wrap { padding: 0 3rem; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .stat { padding: 1.75rem 2rem 1.75rem 0; }
  .stat:nth-child(1) { border-right: 1px solid var(--rule); }
  .stat:nth-child(2) { border-right: 1px solid var(--rule); border-top: none; padding-left: 2rem; }
  .stat:nth-child(3) { border-right: 1px solid var(--rule); border-top: none; padding-left: 2rem; }
  .stat:nth-child(4) { border-top: none; padding-left: 2rem; }
  .stat__num { font-size: 2.5rem; }

  .work-section { padding: 0 3rem; }
  .work-header { padding: 4rem 0 2rem; }
  .work-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }

  .card--featured { grid-column: span 2; }
  .card--featured .card__browser { height: 420px; }
  .card:not(.card--featured) .card__browser { height: 280px; }
  .card__browser { display: flex; }
  .card__body { padding: 2.25rem; }
  .card__title { font-size: 1.45rem; }
  .card--featured .card__title { font-size: 1.85rem; }
  .screen-heading { font-size: 2.6rem; }
  .screen-eyebrow { font-size: 0.52rem; }
  .product-img { height: 80px; }
  .ar-title { font-size: 1.55rem; }
  .ar-orb { height: 128px; }
  .ar-ring--sm { width: 112px; height: 112px; }
  .ar-ring--lg { width: 176px; height: 176px; }
  .ar-core { width: 64px; height: 64px; }
  .ar-badge { font-size: 0.52rem; }
  .card__stat-num { font-size: 1.55rem; }
  .sg-type-heading { font-size: 1.5rem; }
  .swatch { width: 32px; height: 32px; }

  .preview-section { padding: 6rem 3rem; }
  .card__stats { gap: 2.25rem; }

  .disciplines-section { padding: 6rem 3rem; }
  .discipline { font-size: 0.82rem; gap: 0.75rem; padding: 1rem 2.5rem 1rem 0; }
  .discipline:nth-child(even) { padding-left: 2.5rem; }

  .site-footer { padding: 2.75rem 3rem; }
}

/* ─── Responsive — lg (1024px+) ────────────────────────────── */
@media (min-width: 1024px) {
  .preview-grid { grid-template-columns: 1.1fr 0.9fr; gap: 5rem; }
  .preview-device { display: block; }

  .disciplines-inner { grid-template-columns: 0.75fr 1.25fr; gap: 5rem; }
}