/* =========================================================================
   Cluster — проводной умный дом
   Светлый скандинавский инженерный лендинг
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  --color-bg: #F4F6F3;
  --color-surface: #FFFFFF;
  --color-surface-muted: #EDF1EC;
  --color-surface-strong: #E4EBE4;
  --color-ink: #141A16;
  --color-muted: #5C665E;
  --color-line: #DDE3DC;
  --color-line-strong: #C7D0C7;
  --color-accent: #2F6B5C;
  --color-accent-hover: #285C4F;
  --color-accent-soft: #DDEBE6;
  --color-accent-ink: #FFFFFF;

  --container: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 2px rgba(20, 26, 22, 0.04), 0 2px 8px rgba(20, 26, 22, 0.04);
  --shadow: 0 6px 24px rgba(20, 26, 22, 0.06);
  --shadow-lg: 0 18px 48px rgba(20, 26, 22, 0.10);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 160ms;
  --dur: 280ms;
  --dur-slow: 600ms;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", "Roboto", "PingFang SC", "Noto Sans", Arial, sans-serif;

  --header-h: 72px;
  --z-header: 100;
  --z-menu: 200;
  --z-skip: 300;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html:focus-within { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(17px, 1.05vw + 0.7rem, 19px);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
img { border-style: none; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -0.02em; font-weight: 600; }
p { margin: 0; }
address { font-style: normal; }

::selection { background: var(--color-accent); color: var(--color-accent-ink); }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(64px, 9vw, 140px); }
.section-muted { background: var(--color-surface-muted); }

/* Anchored targets must clear the sticky header so headings are not hidden. */
:where(section[id], footer[id], main[id]) {
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.accent { color: var(--color-accent); }

.section-heading { max-width: 760px; }
.section-heading h2 {
  font-size: clamp(1.9rem, 3.4vw + 0.4rem, 3.1rem);
  margin-bottom: 20px;
}
.section-heading p { color: var(--color-muted); max-width: 62ch; }
.section-heading.compact h2 { margin-bottom: 0; }
.section-heading.compact { max-width: none; }

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  will-change: transform;
}
.button:hover { text-decoration: none; }
.button:active { transform: translateY(1px); }
.button-small { padding: 10px 18px; font-size: 0.95rem; }
.button-block { width: 100%; }

.button-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.button-primary:hover { background: var(--color-accent-hover); }
.button-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.button-outline { background: transparent; color: var(--color-ink); border-color: var(--color-line-strong); }
.button-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

.button-light { background: var(--color-accent-ink); color: var(--color-accent); }
.button-light:hover { background: #FFFFFF; color: var(--color-accent-hover); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: var(--z-skip);
  background: var(--color-ink);
  color: var(--color-accent-ink);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(244, 246, 243, 0.72);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(244, 246, 243, 0.92);
  border-bottom-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; }
.brand-mark { display: inline-flex; align-items: center; }
.brand-logo { width: 150px; height: auto; color: var(--color-ink); }
.brand-logo path { fill: var(--color-ink); }

.primary-nav { display: none; gap: 28px; }
.primary-nav a {
  position: relative;
  color: var(--color-ink);
  font-weight: 500;
  font-size: 0.97rem;
  padding-block: 6px;
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.primary-nav a:hover { text-decoration: none; color: var(--color-accent); }
.primary-nav a:hover::after,
.primary-nav a:focus-visible::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-actions .button-small { display: none; }

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}
.menu-toggle-bar {
  display: block;
  width: 20px; height: 2px;
  margin-inline: auto;
  background: var(--color-ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: var(--z-menu);
  background: var(--color-bg);
  padding: var(--gutter);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu[hidden] { display: none; }
.mobile-nav { display: flex; flex-direction: column; gap: 6px; }
.mobile-nav a {
  color: var(--color-ink);
  font-size: 1.5rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
}
.mobile-nav a.button { border-bottom: none; margin-top: 18px; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(40px, 6vw, 88px) clamp(56px, 8vw, 120px); }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2.3rem, 5vw + 0.6rem, 4.2rem);
  margin-bottom: 22px;
}
.hero-lead { color: var(--color-muted); max-width: 52ch; margin-bottom: 30px; }
.hero-cta { margin-bottom: 36px; }
.hero-benefits { display: grid; gap: 14px; }
.hero-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.98rem;
  color: var(--color-ink);
}
.benefit-dot {
  flex: none;
  margin-top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.hero-visual { position: relative; }
.hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 10;
  background: var(--color-surface-strong);
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-frame-line {
  position: absolute;
  left: 24px; top: 24px;
  right: 24px;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
}
.hero-frame-line.vertical {
  left: 24px; top: 24px; right: auto; bottom: 24px;
  width: 1px; height: auto;
}
.hero-tag {
  position: absolute;
  left: 20px; bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  background: rgba(20, 26, 22, 0.78);
  color: #fff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  backdrop-filter: blur(6px);
}
.hero-tag-pulse {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #6FD6A8;
  box-shadow: 0 0 0 0 rgba(111, 214, 168, 0.6);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(111, 214, 168, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(111, 214, 168, 0); }
  100% { box-shadow: 0 0 0 0 rgba(111, 214, 168, 0); }
}

/* ---------- Bento (work scope) ---------- */
.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.bento-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
  overflow: hidden;
}
.bento-card:hover { border-color: var(--color-line-strong); box-shadow: var(--shadow); transform: translateY(-2px); }
.bento-index {
  position: absolute;
  top: 22px; right: 24px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-line-strong);
}
.bento-icon {
  display: inline-flex;
  width: 52px; height: 52px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: 18px;
}
.bento-card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.bento-card p { color: var(--color-muted); font-size: 0.97rem; }

/* ---------- Scenarios ---------- */
.split-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
  margin-bottom: 44px;
}
.split-heading h2 { font-size: clamp(1.9rem, 3.4vw + 0.4rem, 3rem); }
.split-media { display: none; }
.split-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.scenario-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.scenario-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow); transform: translateY(-2px); }
.scenario-icon {
  display: inline-flex;
  width: 46px; height: 46px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: 16px;
}
.scenario-card h3 { font-size: 1.18rem; margin-bottom: 6px; }
.scenario-card p { color: var(--color-muted); font-size: 0.96rem; }
.scenario-cta { margin-top: 40px; text-align: center; }

/* ---------- Control methods ---------- */
.control-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.control-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.control-card:hover { border-color: var(--color-line-strong); box-shadow: var(--shadow); transform: translateY(-2px); }
.control-icon {
  display: inline-flex;
  width: 56px; height: 56px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-accent);
  margin-bottom: 18px;
  border: 1px solid var(--color-line);
}
.control-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.control-card p { color: var(--color-muted); font-size: 0.97rem; }

/* ---------- Equipment ---------- */
.equipment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.equipment-media { position: relative; }
.equipment-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.equipment-media-note {
  position: absolute;
  left: 18px; bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(20, 26, 22, 0.78);
  color: #fff;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  backdrop-filter: blur(6px);
}
.equipment-media-dot { width: 7px; height: 7px; border-radius: 50%; background: #6FD6A8; }
.equipment-copy h2 { font-size: clamp(1.8rem, 3.2vw + 0.4rem, 2.8rem); margin-bottom: 16px; }
.equipment-lead { color: var(--color-muted); margin-bottom: 28px; max-width: 56ch; }
.rows-list { display: grid; gap: 0; }
.row-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--color-line);
}
.row-item:last-child { border-bottom: 1px solid var(--color-line); }
.row-num {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  padding-top: 3px;
}
.row-item h3 { font-size: 1.08rem; margin-bottom: 4px; }
.row-item p { color: var(--color-muted); font-size: 0.95rem; }

/* ---------- Engineering value ---------- */
.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.value-card::before {
  content: "";
  position: absolute;
  left: 0; top: 30px;
  width: 3px; height: 28px;
  background: var(--color-accent);
  border-radius: 0 3px 3px 0;
  transform: scaleY(0.4);
  transform-origin: center;
  transition: transform var(--dur) var(--ease);
}
.value-card:hover { border-color: var(--color-line-strong); box-shadow: var(--shadow); transform: translateY(-2px); }
.value-card:hover::before { transform: scaleY(1); }
.value-card h3 { font-size: 1.18rem; margin-bottom: 8px; padding-left: 14px; }
.value-card p { color: var(--color-muted); font-size: 0.97rem; padding-left: 14px; }

/* ---------- Cases ---------- */
.case-stack { display: grid; gap: 28px; }
.case-card {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.case-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.case-media { position: relative; }
.case-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; }
.case-tag {
  position: absolute;
  left: 18px; top: 18px;
  padding: 6px 14px;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.case-body { padding: 28px; }
.case-body h3 { font-size: 1.4rem; margin-bottom: 10px; }
.case-body > p { color: var(--color-muted); margin-bottom: 20px; }
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin: 0 0 24px;
}
.case-meta dt { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted); margin-bottom: 4px; }
.case-meta dd { margin: 0; font-size: 1.15rem; font-weight: 600; }

/* ---------- Work stages ---------- */
.stages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: stage;
}
.stage {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  padding: 28px 0;
  border-top: 1px solid var(--color-line);
  position: relative;
}
.stage:last-child { border-bottom: 1px solid var(--color-line); }
.stage-num {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  padding-top: 4px;
  min-width: 36px;
}
.stage-body h3 { font-size: 1.25rem; margin-bottom: 6px; }
.stage-body p { color: var(--color-muted); font-size: 0.97rem; max-width: 56ch; }

/* ---------- Designers ---------- */
.designers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}
.designers-copy h2 { font-size: clamp(1.7rem, 3vw + 0.4rem, 2.6rem); margin-bottom: 22px; }
.designers-list { display: grid; gap: 14px; }
.designers-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-size: 1rem;
}
.check {
  flex: none;
  margin-top: 4px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  position: relative;
}
.check::after {
  content: "";
  position: absolute;
  left: 7px; top: 4px;
  width: 6px; height: 11px;
  border: solid var(--color-accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ---------- FAQ ---------- */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.faq-heading h2 { font-size: clamp(1.9rem, 3.4vw + 0.4rem, 3rem); margin-bottom: 12px; }
.faq-heading p { color: var(--color-muted); }
.faq-list { display: grid; gap: 12px; }
.faq-list details {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0 24px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.faq-list details[open] { border-color: var(--color-accent); box-shadow: var(--shadow-sm); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  font-weight: 600;
  font-size: 1.08rem;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--color-accent); }
.faq-chevron {
  flex: none;
  width: 18px; height: 18px;
  position: relative;
  transition: transform var(--dur) var(--ease);
}
.faq-chevron::before, .faq-chevron::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  border-radius: 2px;
}
.faq-chevron::before { left: 8px; top: 2px; width: 2px; height: 14px; }
.faq-chevron::after { left: 2px; top: 8px; width: 14px; height: 2px; }
.faq-list details[open] .faq-chevron::before { transform: rotate(45deg) translate(5px, 5px); }
.faq-list details[open] .faq-chevron::after { opacity: 0; }
.faq-list details p {
  color: var(--color-muted);
  padding: 0 0 22px;
  max-width: 68ch;
}

/* ---------- Final CTA ---------- */
.final-cta {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  padding-block: clamp(64px, 9vw, 120px);
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 120% at 85% 20%, rgba(255,255,255,0.12), transparent 60%);
  pointer-events: none;
}
.final-cta-inner { position: relative; text-align: center; max-width: 760px; }
.final-cta h2 { font-size: clamp(1.8rem, 3.4vw + 0.4rem, 3rem); margin-bottom: 16px; }
.final-cta p { color: rgba(255,255,255,0.85); margin-bottom: 30px; font-size: 1.08rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: #C7D0C7;
  padding-top: clamp(56px, 7vw, 96px);
}
.footer-logo svg { width: 150px; height: auto; margin-bottom: 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-contacts { display: grid; gap: 18px; }
.footer-contacts > span { display: grid; gap: 4px; }
.footer-contacts b { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.footer-contacts a { color: #fff; font-size: 1.1rem; }

.contact-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.form-title { color: #fff; font-size: 1.3rem; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; color: #AEB8AE; margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%;
  padding: 13px 15px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-sm);
  color: #fff;
  font: inherit;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: #8A958A; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.1);
}
.field-consent { margin-bottom: 22px; }
.consent { display: flex; align-items: flex-start; gap: 11px; font-size: 0.86rem; color: #AEB8AE; }
.consent input { flex: none; margin-top: 4px; width: 18px; height: 18px; accent-color: var(--color-accent); }
.consent a { color: #fff; text-decoration: underline; }
.form-status {
  margin: 14px 0 0;
  min-height: 1.4em;
  font-size: 0.92rem;
  color: #AEB8AE;
}
.form-status.success { color: #6FD6A8; }
.form-status.error { color: #F2A0A0; }

.map-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 280px;
}
.map-card iframe {
  width: 100%;
  height: 100%;
  flex: 1;
  border: 0;
  border-radius: var(--radius-lg);
  min-height: 240px;
  filter: grayscale(0.2);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-block: 28px 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.footer-copy { color: #8A958A; font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { color: #C7D0C7; font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.in-view { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .scenario-grid { grid-template-columns: 1fr 1fr; }
  .control-grid { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .case-card { grid-template-columns: 0.9fr 1.1fr; }
  .case-media img { aspect-ratio: auto; min-height: 100%; }
  .footer-grid { grid-template-columns: 1.1fr 1.2fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

@media (min-width: 1024px) {
  .primary-nav { display: flex; }
  .header-actions .button-small { display: inline-flex; }
  .menu-toggle { display: none; }

  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
  .split-heading { grid-template-columns: 1fr 0.9fr; }
  .split-media { display: block; }

  .bento { grid-template-columns: repeat(3, 1fr); }
  .bento-card.bento-wide { grid-column: span 2; }

  .control-grid { grid-template-columns: repeat(4, 1fr); }
  .equipment-grid { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: repeat(3, 1fr); }

  .designers-grid { grid-template-columns: 1fr 1fr; gap: 56px; }
  .faq-layout { grid-template-columns: 0.7fr 1.3fr; gap: 56px; }
}

@media (min-width: 1280px) {
  .scenario-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-tag-pulse { animation: none; }
}

/* ---------- Legal / 404 pages ---------- */
.legal-page, .not-found-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: clamp(48px, 8vw, 96px) var(--gutter);
  background: var(--color-bg);
}
.legal-content, .not-found-card {
  max-width: 760px;
  margin-inline: auto;
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px);
  box-shadow: var(--shadow-sm);
}
.legal-content h1, .not-found-card h1 {
  font-size: clamp(1.6rem, 2.5vw + 0.5rem, 2.4rem);
  margin-bottom: 20px;
}
.legal-content p, .not-found-card p { color: var(--color-muted); margin-bottom: 14px; }
.not-found-card { display: grid; gap: 24px; text-align: center; align-items: center; }
@media (min-width: 768px) {
  .not-found-card { grid-template-columns: 1.4fr 1fr; text-align: left; }
}
.not-found-actions { display: flex; flex-wrap: wrap; gap: 12px; }