@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  --color-ink: #21262b;
  --color-ink-2: #2f353c;
  --color-ink-soft: #5b6570;
  --color-paper: #ffffff;
  --color-paper-soft: #f2f3f4;
  --color-bone: #e7e9eb;
  --color-stone: #a9a9a9;
  --color-slate: #778899;
  --color-line: #e1e3e5;
  --color-muted: #626b74;
  --color-bronze: #eea301;
  --color-bronze-light: #f4bc3d;
  --color-bronze-dim: rgba(238, 163, 1, 0.14);

  --font-display: 'Manrope', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  --container: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --shadow-soft: 0 20px 60px -20px rgba(33, 38, 43, 0.16);
  --shadow-card: 0 10px 30px -12px rgba(33, 38, 43, 0.12);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-ink-2);
  background: var(--color-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input { font-family: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: 16px;
}
.kicker::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--color-bronze);
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 14px; }
.section-head p { color: var(--color-muted); font-size: 17px; }

.section { padding: 100px 0; }
.section--dark { background: var(--color-bone); color: var(--color-ink-soft); }
.section--soft { background: var(--color-paper-soft); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 16px 30px;
  border-radius: var(--radius-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), color .35s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--color-bronze); color: #fff; box-shadow: 0 12px 24px -10px rgba(238,163,1,0.45); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 32px -12px rgba(238,163,1,0.5); }
.btn-outline { background: transparent; color: var(--color-ink); border: 1px solid rgba(33,38,43,0.25); }
.btn-outline:hover { background: rgba(33,38,43,0.05); border-color: rgba(33,38,43,0.45); }
.btn-dark { background: var(--color-ink); color: #fff; }
.btn-dark:hover { background: var(--color-ink-2); transform: translateY(-2px); }
.btn-ghost { background: var(--color-paper-soft); color: var(--color-ink); border: 1px solid var(--color-line); }
.btn-ghost:hover { border-color: var(--color-bronze); color: var(--color-bronze); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: all 0.4s var(--ease);
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header.is-scrolled {
  padding: 14px 0;
  background: rgba(247, 248, 249, 0.85);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 8px 30px -14px rgba(33,38,43,0.18);
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
.logo .mark {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-bronze), var(--color-bronze-light));
  display: grid; place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}
.nav { display: flex; align-items: center; gap: 26px; }
.nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink-soft);
  transition: color 0.25s var(--ease);
  position: relative;
  white-space: nowrap;
}
.nav a:hover { color: var(--color-ink); }
.header-actions { display: flex; align-items: center; gap: 18px; }

.lang-switch {
  display: flex;
  background: rgba(33,38,43,0.05);
  border: 1px solid rgba(33,38,43,0.12);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.lang-switch button {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  border-radius: 999px;
  transition: all 0.25s var(--ease);
}
.lang-switch button.is-active { background: var(--color-bronze); color: #fff; }
.lang-switch button:not(.is-active):hover { color: var(--color-ink); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  color: var(--color-ink);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #e7e9eb;
  overflow: hidden;
  padding-top: 120px;
  padding-bottom: 110px;
}
.hero-bg {
  position: absolute; inset: -2% -2%;
  z-index: 0;
  background-image: url('../img/hero-facade.jpg');
  background-size: cover;
  background-position: center 30%;
  will-change: transform;
}
.hero-overlay {
  position: absolute; inset: 0;
  z-index: 1;
  background-image: linear-gradient(180deg, rgba(243,244,245,0.84) 0%, rgba(243,244,245,0.93) 55%, #f3f4f5 100%);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(33,38,43,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33,38,43,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 10%, transparent 70%);
}
.hero::after {
  content: '';
  position: absolute;
  z-index: 1;
  width: 900px; height: 900px;
  right: -300px; top: -200px;
  background: radial-gradient(circle, rgba(238,163,1,0.16), transparent 65%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 780px; }
.hero-content .kicker { color: var(--color-bronze); }
.hero-content h1 {
  color: var(--color-ink);
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  margin-bottom: 24px;
}
.hero-content p {
  color: var(--color-ink-soft);
  font-size: 18px;
  max-width: 600px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 90px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 48px;
  border-top: 1px solid rgba(33,38,43,0.14);
  padding-top: 32px;
  max-width: 640px;
}
.hero-stats .stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-ink);
}
.hero-stats .stat-label {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 4px;
}
.scroll-cue {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--color-muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-cue .line { width: 1px; height: 34px; background: linear-gradient(rgba(33,38,43,0.5), transparent); animation: scrollpulse 2s infinite; }
@keyframes scrollpulse { 0%{transform:scaleY(0);transform-origin:top;} 50%{transform:scaleY(1);transform-origin:top;} 51%{transform-origin:bottom;} 100%{transform:scaleY(0);transform-origin:bottom;} }
@media (max-height: 820px) {
  .scroll-cue { display: none; }
}

/* ---------- Clients strip ---------- */
.clients-strip {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  padding: 40px 0;
}
.clients-label {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 28px;
}
.clients-viewport {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.clients-track {
  display: flex;
  width: max-content;
  animation: clients-scroll 32s linear infinite;
}
.clients-track:hover { animation-play-state: paused; }
.clients-set {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 44px;
  padding-right: 44px;
}
.clients-set img {
  height: 30px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.55;
  transition: all 0.3s var(--ease);
}
.clients-set img:hover {
  filter: grayscale(0);
  opacity: 1;
}
@keyframes clients-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .clients-track { animation: none; }
}

/* ---------- Products ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.4s var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: transparent;
}
.product-photo {
  height: 170px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.product-card .icon {
  position: absolute;
  left: 24px; bottom: -22px;
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--color-ink);
  color: var(--color-bronze);
  display: grid; place-items: center;
  box-shadow: 0 10px 22px -8px rgba(33,38,43,0.4);
}
.product-card .icon svg { width: 22px; height: 22px; }
.product-card .body { padding: 34px 24px 30px; }
.product-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.product-card p { color: var(--color-muted); font-size: 14.5px; }

/* ---------- Lego showcase ---------- */
.lego-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 80px;
}
.lego-value {
  background: var(--color-paper);
  padding: 40px 32px;
}
.lego-value .value-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--color-bronze);
  margin-bottom: 16px;
  display: block;
}
.lego-value h3 { color: var(--color-ink); font-size: 18px; margin-bottom: 10px; }
.lego-value p { color: var(--color-muted); font-size: 14.5px; }

.lego-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.lego-step {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
}
.lego-step-visual {
  height: 108px;
  margin: -6px -6px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lego-step-visual svg { width: 100%; height: 100%; overflow: visible; }
.lego-step .step-index {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-bronze);
  color: var(--color-bronze);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 20px;
}
.lego-step h4 { color: var(--color-ink); font-size: 16px; margin-bottom: 8px; font-family: var(--font-display); }
.lego-step p { color: var(--color-muted); font-size: 13.5px; }
.lego-step .joint {
  display: none;
  position: absolute;
  right: -14px; top: 50%;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  background: var(--color-ink);
  border: 1px solid var(--color-line);
  border-radius: 50%;
  z-index: 2;
}

/* ---------- Portfolio ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 28px; margin-bottom: 44px; }
.filter-group { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.filter-group .filter-label { font-size: 13px; font-weight: 700; color: var(--color-muted); margin-right: 6px; }
.filter-chip {
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  transition: all 0.25s var(--ease);
}
.filter-chip:hover { border-color: var(--color-bronze); }
.filter-chip.is-active { background: var(--color-ink); border-color: var(--color-ink); color: #fff; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.portfolio-card {
  grid-column: span 2;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform 0.4s var(--ease);
}
.portfolio-card:nth-child(3n+1) { grid-column: span 2; }
.portfolio-card.portfolio-card--wide { grid-column: span 4; aspect-ratio: 21/8; }
.portfolio-card .thumb {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--gc1, var(--color-stone)), var(--gc2, var(--color-bone)));
  background-size: cover;
  background-position: center;
}
.portfolio-card .thumb::after {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.portfolio-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 55%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
  opacity: 0.92;
  transition: opacity 0.35s var(--ease);
}
.portfolio-card:hover { transform: translateY(-4px); }
.portfolio-card .tags { display: flex; gap: 8px; margin-bottom: 10px; }
.portfolio-card .tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(238,163,1,0.4);
  padding: 4px 10px;
  border-radius: 999px;
}
.portfolio-card h3 { color: #fff; font-size: 19px; margin-bottom: 4px; }
.portfolio-card .link { color: rgba(255,255,255,0.6); font-size: 12.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.portfolio-card.is-hidden { display: none; }

/* ---------- Quiz ---------- */
.quiz-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: flex-start; }
.quiz-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 44px;
}
.quiz-progress { display: flex; gap: 6px; margin-bottom: 8px; }
.quiz-progress .bar { flex: 1; height: 4px; border-radius: 4px; background: var(--color-line); overflow: hidden; }
.quiz-progress .bar span { display: block; height: 100%; width: 0; background: var(--color-bronze); transition: width 0.5s var(--ease); }
.quiz-progress .bar.is-done span { width: 100%; }
.quiz-progress .bar.is-active span { width: 100%; }
.quiz-step-label { font-size: 13px; color: var(--color-muted); font-weight: 600; margin-bottom: 28px; }

.quiz-step { display: none; }
.quiz-step.is-active { display: block; animation: fadein 0.45s var(--ease); }
@keyframes fadein { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.quiz-step h3 { font-size: 22px; margin-bottom: 24px; }

.option-grid { display: grid; gap: 12px; margin-bottom: 8px; }
.option-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s var(--ease);
}
.option-card:hover { border-color: var(--color-bronze); }
.option-card.is-selected { border-color: var(--color-bronze); background: var(--color-bronze-dim); color: var(--color-ink); }
.option-card .radio-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-line);
  position: relative; flex-shrink: 0;
}
.option-card.is-selected .radio-dot { border-color: var(--color-bronze); }
.option-card.is-selected .radio-dot::after {
  content: '';
  position: absolute; inset: 3px;
  border-radius: 50%;
  background: var(--color-bronze);
}

.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--color-ink-soft); margin-bottom: 8px; }
.input-suffix { position: relative; }
.input-suffix span {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  color: var(--color-muted); font-size: 14px; font-weight: 600;
}
.field input {
  width: 100%;
  padding: 15px 18px;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: border-color 0.25s var(--ease);
}
.field input:focus { outline: none; border-color: var(--color-bronze); }
.field.has-error input { border-color: #dc2626; }
.field .error-msg { display: none; color: #dc2626; font-size: 12.5px; margin-top: 6px; }
.field.has-error .error-msg { display: block; }

.quiz-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; }
.quiz-actions .btn-back { visibility: hidden; }
.quiz-actions .btn-back.is-visible { visibility: visible; }

.quiz-success { display: none; text-align: center; padding: 20px 0; }
.quiz-success.is-active { display: block; }
.quiz-success .icon-check {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--color-bronze-dim);
  color: var(--color-bronze);
  display: grid; place-items: center;
  margin: 0 auto 24px;
}
.quiz-success h3 { font-size: 22px; margin-bottom: 12px; }
.quiz-success p { color: var(--color-muted); margin-bottom: 28px; }
.quiz-form.is-hidden { display: none; }

.quiz-side .kicker { color: var(--color-bronze); }
.quiz-side h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 16px; }
.quiz-side p { color: var(--color-muted); font-size: 16px; margin-bottom: 32px; }
.quiz-side-list { display: grid; gap: 18px; }
.quiz-side-item { display: flex; gap: 16px; align-items: flex-start; }
.quiz-side-item .num {
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-bronze);
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700;
  font-family: var(--font-display);
}
.quiz-side-item strong { display: block; font-size: 15px; margin-bottom: 2px; }
.quiz-side-item span { color: var(--color-muted); font-size: 14px; }

/* ---------- About ---------- */
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.about-visual {
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-text p { color: var(--color-muted); margin-bottom: 18px; font-size: 16px; }
.about-points { display: grid; gap: 14px; margin-top: 28px; }
.about-point { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 15px; }
.about-point svg { width: 20px; height: 20px; color: var(--color-bronze); flex-shrink: 0; }

/* ---------- Contacts ---------- */
.contacts-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-list { display: grid; gap: 22px; }
.contact-item {
  display: flex; gap: 16px;
  padding: 22px;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}
.contact-item .icon { width: 42px; height: 42px; border-radius: 10px; background: var(--color-ink); color: var(--color-bronze); display: grid; place-items: center; flex-shrink: 0; }
.contact-item .icon svg { width: 20px; height: 20px; }
.contact-item .icon.icon-text { font-family: var(--font-display); font-weight: 800; font-size: 11px; letter-spacing: -0.02em; }
.contact-item strong { display: block; font-size: 13px; color: var(--color-muted); margin-bottom: 4px; }
.contact-item span, .contact-item a { font-size: 15.5px; font-weight: 600; }
.map-placeholder {
  border-radius: var(--radius-lg);
  background: var(--color-paper-soft);
  min-height: 100%;
  position: relative;
  overflow: hidden;
  display: flex; align-items: flex-end;
  padding: 20px;
}
.map-placeholder iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
  filter: grayscale(0.25) contrast(1.05);
}
.map-placeholder .map-cta {
  position: relative; z-index: 1;
  background: rgba(33,38,43,0.82);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Footer ---------- */
.footer { background: var(--color-bone); color: var(--color-ink-soft); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14.5px; max-width: 280px; }
.footer h4 { color: var(--color-ink); font-size: 14px; margin-bottom: 18px; font-family: var(--font-display); }
.footer ul { display: grid; gap: 12px; }
.footer a, .footer span { font-size: 14.5px; color: var(--color-ink-soft); transition: color 0.25s var(--ease); }
.footer a:hover { color: var(--color-bronze); }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(33,38,43,0.08);
  display: grid; place-items: center;
  color: var(--color-ink);
}
.footer-social a:hover { background: var(--color-bronze); color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(33,38,43,0.12);
  padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px;
}

/* ---------- Floating buttons ---------- */
.float-stack {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  position: relative;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(33,38,43,0.4);
  transition: transform 0.3s var(--ease);
}
.float-btn:hover { transform: scale(1.08); }
.float-btn svg { width: 26px; height: 26px; position: relative; z-index: 1; }
.float-btn.whatsapp { background: #25D366; }
.float-btn.telegram { background: #229ED9; }
.float-btn.whatsapp::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: #25D366;
  animation: float-pulse 2.6s ease-out infinite;
}
@keyframes float-pulse {
  0% { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(1.9); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .float-btn.whatsapp::before { animation: none; display: none; }
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(33,38,43,0.55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal-overlay.is-active { display: flex; }
.modal-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 440px;
  width: 100%;
  position: relative;
  animation: modalin 0.35s var(--ease);
}
@keyframes modalin { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-close {
  position: absolute; top: 18px; right: 18px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-paper-soft);
  color: var(--color-ink);
}
.modal-box h3 { font-size: 21px; margin-bottom: 10px; }
.modal-box > p { color: var(--color-muted); font-size: 14.5px; margin-bottom: 24px; }

/* ---------- Lightbox ---------- */
.modal-overlay.lightbox { background: rgba(20,22,25,0.88); }
.lightbox .modal-close {
  top: 24px; right: 24px;
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.lightbox-figure {
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.lightbox-figure img {
  max-width: 90vw;
  max-height: 78vh;
  width: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
}
.lightbox-figure figcaption {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}
.portfolio-card.is-lightbox { cursor: zoom-in; }

/* ---------- Reveal animation ---------- */
/* Initial hidden state is set by GSAP at runtime (assets/js/animations.js) so content
   stays visible by default if the animation library fails to load. */

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed; inset: 0;
  background: var(--color-paper);
  z-index: 99;
  display: flex; flex-direction: column;
  padding: 100px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu a { color: var(--color-ink); font-size: 24px; font-weight: 700; padding: 14px 0; border-bottom: 1px solid var(--color-line); font-family: var(--font-display); }
.mobile-menu .lang-switch { margin-top: 30px; align-self: flex-start; }

/* ---------- Works page: hero variant ---------- */
.hero--works .hero-bg { background-position: center 40%; }

/* ---------- Works page: segments ---------- */
.segments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.segment-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  transition: all 0.4s var(--ease);
}
.segment-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: transparent;
}
.segment-card .icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--color-ink);
  color: var(--color-bronze);
  display: grid; place-items: center;
  margin-bottom: 20px;
}
.segment-card .icon svg { width: 24px; height: 24px; }
.segment-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.segment-card p { color: var(--color-muted); font-size: 14.5px; }

/* ---------- Works page: vision / design direction ---------- */
.vision-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
.vision-principle h3 { font-size: 17px; margin-bottom: 10px; color: var(--color-ink); }
.vision-principle p { color: var(--color-muted); font-size: 14.5px; }

.vision-lead {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 24px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .lego-values { grid-template-columns: 1fr; }
  .lego-steps { grid-template-columns: repeat(2, 1fr); }
  .quiz-wrap { grid-template-columns: 1fr; }
  .about-wrap { grid-template-columns: 1fr; }
  .contacts-wrap { grid-template-columns: 1fr; }
  .map-placeholder { min-height: 260px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-card, .portfolio-card:nth-child(3n+1) { grid-column: span 1; }
  .portfolio-card.portfolio-card--wide { grid-column: span 2; aspect-ratio: 16/9; }
  .segments-grid { grid-template-columns: repeat(2, 1fr); }
  .vision-principles { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 760px) {
  .nav, .header-actions .lang-switch, .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .hero { padding-top: 100px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .products-grid { grid-template-columns: 1fr; }
  .lego-steps { grid-template-columns: 1fr; }
  .filters { flex-direction: column; gap: 14px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card--wide { aspect-ratio: 4/3; }
  .segments-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .quiz-card { padding: 28px 22px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}