/* =========================================================================
   EYONA SOFTWARE - Linear-inspired design system, VS Code blue accent
   Dark-mode-native. Inter Variable 510. Near-black canvas. Blue punctuation.
   See /DESIGN.md for full spec.
   ========================================================================= */

/* ---------- TOKENS ---------- */
:root {
  /* Surfaces */
  --bg-marketing: #08090a;
  --bg-panel: #0f1011;
  --bg-level3: #191a1b;
  --bg-level4: #28282c;

  /* Text */
  --text-1: #f7f8f8;
  --text-2: #d0d6e0;
  --text-3: #8a8f98;
  --text-4: #62666d;

  /* Brand (VS Code blue family replacing Linear's violet) */
  --brand: #007ACC;
  --brand-accent: #0098FF;
  --brand-hover: #47B4E6;
  --brand-deep: #005B9E;

  /* Status */
  --ok: #10b981;
  --ok-deep: #27a644;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);
  --line-tint: #141516;

  /* Radius */
  --r-xs: 2px;
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 8px;
  --r-xl: 12px;
  --r-2xl: 22px;
  --r-pill: 9999px;

  /* Content width */
  --max: 1200px;

  /* Typography */
  --font-sans: "Inter", "Inter Variable", "SF Pro Display", -apple-system, system-ui, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  background: var(--bg-marketing);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-feature-settings: "cv01", "ss03";
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--brand);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--r-md);
  z-index: 100;
}
.skip-link:focus { top: 16px; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 9, 10, 0.82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-1);
  font-weight: 590;
  font-size: 15px;
  letter-spacing: -0.2px;
}
.nav__brand img { width: 28px; height: 28px; border-radius: 7px; }
.nav__brand-mark { color: var(--text-3); font-weight: 400; }
.nav__brand-suffix {
  color: var(--text-4);
  font-weight: 400;
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
  font-size: 13px;
  letter-spacing: 0.2px;
  text-transform: lowercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  margin-right: 4px;
}
.nav__link {
  padding: 6px 12px;
  color: var(--text-3);
  font-size: 13px;
  font-weight: 510;
  letter-spacing: -0.1px;
  border-radius: var(--r-md);
  transition: color 120ms ease, background 120ms ease;
}
.nav__link:hover { color: var(--text-1); background: rgba(255, 255, 255, 0.03); }
.nav__link.is-active { color: var(--text-1); }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--brand);
  color: #fff;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 510;
  letter-spacing: -0.1px;
  transition: background 150ms ease, transform 150ms ease;
}
.nav__cta:hover { background: var(--brand-accent); }

.nav__burger {
  display: none;
  width: 32px;
  height: 32px;
  padding: 6px;
  border-radius: var(--r-md);
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.nav__burger span {
  display: block;
  height: 1.5px;
  background: var(--text-2);
  border-radius: 2px;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  padding: 80px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateX(100%);
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 48;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu a {
  padding: 12px 14px;
  font-size: 15px;
  color: var(--text-2);
  border-radius: var(--r-md);
  font-weight: 510;
}
.mobile-menu a:hover { background: rgba(255, 255, 255, 0.04); color: var(--text-1); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-feature-settings: "cv01", "ss03";
  font-size: 14px;
  font-weight: 510;
  letter-spacing: -0.1px;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--brand);
  color: #fff;
}
.btn--primary:hover { background: var(--brand-accent); }
.btn--primary:active { transform: translateY(1px); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border);
  color: var(--text-1);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.05); border-color: var(--border-strong); }
.btn__arrow { stroke-width: 2; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 900px 500px at 50% 18%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 900px 500px at 50% 18%, #000 10%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  content: "";
  position: absolute;
  top: -220px;
  left: 50%;
  width: 900px;
  height: 600px;
  transform: translateX(-50%);
  background:
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(0, 122, 204, 0.32), transparent 70%),
    radial-gradient(ellipse 30% 30% at 40% 60%, rgba(71, 180, 230, 0.22), transparent 70%);
  filter: blur(12px);
  pointer-events: none;
  z-index: 0;
}
.hero__amber-rule {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 152, 255, 0.5), transparent);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__left { min-width: 0; }

.hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12px;
  font-weight: 510;
  color: var(--text-3);
  letter-spacing: -0.1px;
}
.hero__meta .sep { color: var(--text-4); }

.hero__title {
  margin: 28px 0 20px;
  font-weight: 510;
  font-size: 72px;
  line-height: 1.02;
  letter-spacing: -1.584px;
  color: var(--text-1);
}
.amber-word {
  color: var(--brand-hover);
  text-shadow:
    0 0 28px rgba(71, 180, 230, 0.45),
    0 0 56px rgba(0, 152, 255, 0.2);
}

.hero__sub {
  margin: 0 0 32px;
  max-width: 540px;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -0.165px;
  color: var(--text-3);
  font-weight: 400;
}

.hero__ctas {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* LED dot (live status) */
.led {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.7), 0 0 2px rgba(16, 185, 129, 1);
  animation: ledPulse 2.4s ease-in-out infinite;
}
@keyframes ledPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.9); }
}

/* Hero product showcase - visual grid of product marks */
.hero__showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.showcase-tile {
  --delay: 0ms;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 16px 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  text-decoration: none;
  color: var(--text-1);
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
  opacity: 0;
  transform: translateY(8px);
  animation: tileIn 600ms cubic-bezier(0.22, 1, 0.36, 1) var(--delay) forwards;
}
.showcase-tile:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(71, 180, 230, 0.4);
  transform: translateY(-2px);
}
.showcase-tile img {
  width: 88px;
  height: 88px;
  display: block;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.4));
}
.showcase-tile__name {
  font-size: 13px;
  font-weight: 590;
  letter-spacing: -0.15px;
  color: var(--text-1);
  margin-top: 2px;
}
.showcase-tile__cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.4px;
  color: var(--text-4);
  text-transform: lowercase;
}
@keyframes tileIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- SECTION HEADS ---------- */
.section-head {
  max-width: 760px;
  margin: 0 0 56px;
}
.section-head__eyebrow {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
  font-size: 11px;
  font-weight: 510;
  letter-spacing: 0.2px;
  color: var(--text-3);
  text-transform: lowercase;
  margin-bottom: 18px;
}
.section-head__title {
  margin: 0;
  font-size: 48px;
  line-height: 1.02;
  letter-spacing: -1.056px;
  font-weight: 510;
  color: var(--text-1);
}
.section-head__title em {
  font-style: normal;
  color: var(--text-3);
  font-weight: 400;
}

.section-head--paper .section-head__title em { color: var(--text-3); }

/* ---------- PRODUCTS ---------- */
.products {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.product-card {
  position: relative;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 28px;
  align-items: stretch;
  padding: 28px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  text-decoration: none;
  color: var(--text-1);
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 30%, rgba(0, 152, 255, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
}
.product-card:hover {
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(71, 180, 230, 0.35);
  transform: translateY(-3px);
}
.product-card:hover::before { opacity: 1; }

.product-card__mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: linear-gradient(135deg, rgba(0, 122, 204, 0.08), rgba(0, 91, 158, 0.04));
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
}
.product-card__mark img {
  width: 120px;
  height: 120px;
  display: block;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.45));
  transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}
.product-card:hover .product-card__mark img { transform: scale(1.05) rotate(-2deg); }

.led--online { background: var(--ok); box-shadow: 0 0 8px rgba(16, 185, 129, 0.7); }

.product-card__body {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.product-card__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.product-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.5px;
}
.product-card__cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.6px;
  color: var(--brand-hover);
  text-transform: lowercase;
  padding: 3px 8px;
  border: 1px solid rgba(71, 180, 230, 0.3);
  background: rgba(0, 122, 204, 0.08);
  border-radius: var(--r-pill);
}
.product-card__name {
  margin: 2px 0 0;
  font-size: 24px;
  font-weight: 590;
  letter-spacing: -0.3px;
  color: var(--text-1);
}
.product-card__desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.55;
  letter-spacing: -0.13px;
  flex: 1;
}
.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--text-3);
  transition: color 200ms ease, gap 200ms ease;
}
.product-card:hover .product-card__cta {
  color: var(--brand-hover);
  gap: 10px;
}

/* ---------- SERVICES ---------- */
.services {
  padding: 120px 0;
  background: var(--bg-marketing);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}
.services__numbers {
  display: none; /* visual residue from amber system - not used in Linear aesthetic */
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 4px;
}
.service {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px 22px 26px;
  transition: background 200ms ease, border-color 200ms ease;
}
.service:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
}
.service__rule { display: none; }
.service__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--brand-hover);
  margin-bottom: 14px;
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid rgba(71, 180, 230, 0.25);
  border-radius: var(--r-xs);
  background: rgba(0, 122, 204, 0.08);
}
.service__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 590;
  letter-spacing: -0.2px;
  color: var(--text-1);
  line-height: 1.3;
}
.service__desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.6;
  letter-spacing: -0.13px;
}

/* ---------- STUDIO ---------- */
.studio {
  padding: 120px 0;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
}
.studio__inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.studio__eyebrow {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
  font-size: 11px;
  font-weight: 510;
  letter-spacing: 0.2px;
  color: var(--text-3);
  text-transform: lowercase;
  margin-bottom: 24px;
}
.studio__quote {
  margin: 0 0 20px;
  font-size: 36px;
  font-weight: 510;
  line-height: 1.15;
  letter-spacing: -0.72px;
  color: var(--text-1);
}
.studio__quote em {
  font-style: normal;
  color: var(--brand-hover);
  text-shadow: 0 0 30px rgba(71, 180, 230, 0.25);
}
.studio__body {
  margin: 0 auto 32px;
  max-width: 680px;
  font-size: 16px;
  color: var(--text-3);
  line-height: 1.65;
  letter-spacing: -0.1px;
}
.studio__values {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.studio__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12px;
  color: var(--text-2);
  font-weight: 510;
  letter-spacing: -0.1px;
}
.studio__pill .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-hover);
  box-shadow: 0 0 6px rgba(71, 180, 230, 0.6);
}

/* ---------- CONTACT ---------- */
.contact {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.contact__grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: start;
}
.contact__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.contact-card {
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-card__label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-4);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.contact-card__value {
  font-size: 14px;
  color: var(--text-1);
  font-weight: 510;
  letter-spacing: -0.1px;
  line-height: 1.4;
}
.contact-card__value a { color: inherit; }
.contact-card__value a:hover { color: var(--brand-hover); }

.contact-form {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
}
.contact-form .btn { align-self: flex-start; margin-top: 6px; }
.contact-form__title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 4px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 12px;
  font-weight: 510;
  color: var(--text-3);
  letter-spacing: -0.1px;
}
.required { color: var(--brand-hover); }
.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 12px;
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.1px;
  outline: none;
  font-family: var(--font-sans);
  font-feature-settings: "cv01", "ss03";
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-4); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brand-accent);
  background: rgba(0, 122, 204, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg-panel);
  padding: 64px 0 28px;
  border-top: 1px solid var(--border-subtle);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
}
.footer__brand {
  font-size: 17px;
  font-weight: 590;
  letter-spacing: -0.2px;
  color: var(--text-1);
  margin-bottom: 12px;
}
.footer__brand span {
  color: var(--text-3);
  font-weight: 400;
}
.footer__brand-suffix { color: var(--text-4) !important; }
.footer__tag {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
  letter-spacing: -0.13px;
  max-width: 360px;
}
.footer__social {
  display: flex;
  gap: 8px;
}
.footer__social a {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-3);
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}
.footer__social a:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-strong);
}
.footer__col { display: flex; flex-direction: column; gap: 8px; }
.footer__col h4 {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 510;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-4);
}
.footer__col a,
.footer__col span {
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: -0.13px;
  transition: color 150ms ease;
}
.footer__col a:hover { color: var(--text-1); }
.footer__bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-4);
  letter-spacing: -0.1px;
}
.footer__bottom p { margin: 0; }
.footer__bottom-links { display: flex; gap: 18px; }
.footer__bottom-links a { color: inherit; transition: color 150ms ease; }
.footer__bottom-links a:hover { color: var(--text-1); }

/* ---------- FADE-IN ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms ease, transform 600ms ease;
  transition-delay: 0ms;
}
.fade-in.is-visible { opacity: 1; transform: translateY(0); }
.fade-in[data-delay="1"] { transition-delay: 60ms; }
.fade-in[data-delay="2"] { transition-delay: 120ms; }
.fade-in[data-delay="3"] { transition-delay: 180ms; }
.fade-in[data-delay="4"] { transition-delay: 240ms; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero__title { font-size: 60px; letter-spacing: -1.32px; }
  .section-head__title { font-size: 40px; letter-spacing: -0.88px; }
  .studio__quote { font-size: 30px; letter-spacing: -0.6px; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 28px; }
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: inline-flex; }
  .container { padding: 0 20px; }
  .hero { padding: 64px 0 80px; }
  .hero__title { font-size: 44px; letter-spacing: -0.88px; }
  .hero__sub { font-size: 16px; }
  .nav__brand-suffix { display: none; }
  .section-head__title { font-size: 32px; letter-spacing: -0.704px; }
  .section-head { margin-bottom: 40px; }
  .studio__quote { font-size: 26px; letter-spacing: -0.5px; }
  .products, .services, .studio, .contact { padding: 72px 0; }
  .products__grid, .services__grid { grid-template-columns: 1fr; gap: 14px; }
  .product-card { grid-template-columns: 110px 1fr; gap: 20px; padding: 22px; }
  .product-card__mark img { width: 90px; height: 90px; }
  .product-card__name { font-size: 20px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; gap: 10px; align-items: flex-start; }
}
@media (max-width: 480px) {
  .hero__title { font-size: 36px; letter-spacing: -0.72px; }
  .hero__meta { flex-wrap: wrap; }
  .section-head__title { font-size: 28px; letter-spacing: -0.56px; }
  .products__grid, .services__grid, .footer__grid, .contact__cards {
    grid-template-columns: 1fr;
  }
  .product-card { grid-template-columns: 1fr; gap: 16px; text-align: center; }
  .product-card__mark { padding: 16px; }
  .product-card__mark img { width: 96px; height: 96px; }
  .product-card__meta { justify-content: center; }
  .hero__showcase { grid-template-columns: repeat(2, 1fr); }
}

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