/* ============================================================
   SMARTZAMOK.QZ - styles
   Palette: teal accent on graphite dark + clean light catalog
   ============================================================ */

:root {
  /* Гамма: белый + зелёный + золото (референс из newFiles). Имена --teal* сохранены. */
  --teal: #6f9350;
  --teal-dark: #567a3c;
  --teal-bright: #86ac62;
  --teal-glow: rgba(111, 147, 80, 0.35);
  --dark: #2b3a25;
  --dark-2: #33452c;
  --dark-3: #3f5338;
  --light: #f6f8f1;
  --light-2: #edf2e3;
  --white: #ffffff;
  --ink: #23301b;
  --ink-soft: #55634a;
  --text-on-dark: #dfe8d2;
  --muted-on-dark: #a7b899;
  --tan: #e2b566;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 10px 30px rgba(10, 35, 38, 0.10);
  --shadow-card-hover: 0 18px 44px rgba(10, 35, 38, 0.18);
  --font-display: "Unbounded", "Manrope", sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { max-width: 100%; overflow-x: clip; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--dark);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

[hidden] { display: none !important; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  min-width: 0;
}

section { scroll-margin-top: calc(var(--header-h) + 8px); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-dark));
  color: #fff;
  box-shadow: 0 8px 24px var(--teal-glow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px var(--teal-glow); }

.btn-ghost {
  border: 1.5px solid rgba(215, 229, 229, 0.35);
  color: var(--text-on-dark);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover { border-color: var(--teal-bright); color: var(--teal-bright); transform: translateY(-2px); }

.btn-lg { padding: 17px 34px; font-size: 16px; }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- header ---------- */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(43, 58, 37, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--header-h);
}

.logo-link { display: inline-flex; align-items: center; flex-shrink: 0; color: #fff; }
.logo-img { height: 40px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-on-dark);
  transition: color 0.2s ease;
}

.nav-link:hover { color: var(--teal-bright); }

.nav-phone {
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  transition: color 0.2s ease;
}

.nav-phone:hover { color: var(--teal-bright); }

.header-cta { flex-shrink: 0; }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  border-radius: 10px;
  flex-shrink: 0;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  background: var(--dark);
  color: var(--text-on-dark);
  padding: calc(var(--header-h) + 56px) 0 80px;
  overflow: clip;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}

.hero-glow-1 {
  width: 520px; height: 520px;
  background: rgba(111, 147, 80, 0.22);
  top: -160px; right: -120px;
}

.hero-glow-2 {
  width: 420px; height: 420px;
  background: rgba(111, 147, 80, 0.12);
  bottom: -180px; left: -140px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(134, 172, 98, 0.35);
  background: rgba(111, 147, 80, 0.10);
  color: var(--teal-bright);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 0 rgba(134, 172, 98, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(134, 172, 98, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(134, 172, 98, 0); }
  100% { box-shadow: 0 0 0 0 rgba(134, 172, 98, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.14;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}

.hero-title .accent {
  background: linear-gradient(120deg, var(--teal-bright), #e9c77d);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted-on-dark);
  max-width: 520px;
  margin-bottom: 34px;
}

.hero-subtitle strong { color: var(--text-on-dark); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }

.hero-perks { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 14.5px; font-weight: 600; }

.hero-perks li { display: flex; align-items: center; gap: 9px; color: var(--muted-on-dark); }

.perk-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(111, 147, 80, 0.16);
  color: var(--teal-bright);
  font-size: 12px;
  font-weight: 800;
}

.hero-visual { min-width: 0; }

.hero-photo-frame {
  position: relative;
  border-radius: 26px;
  padding: 10px;
  background: linear-gradient(150deg, rgba(134, 172, 98, 0.45), rgba(134, 172, 98, 0.05) 45%, rgba(217, 185, 138, 0.25));
}

.hero-photo {
  border-radius: 18px;
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.hero-float-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(16, 29, 32, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(134, 172, 98, 0.30);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  animation: floaty 5s ease-in-out infinite;
}

.hero-float-1 { top: 26px; left: -14px; }

.hero-float-2 {
  bottom: 30px;
  right: -12px;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  animation-delay: 2.5s;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.hero-float-num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--teal-bright);
  line-height: 1.1;
}

.hero-float-label { font-size: 12.5px; color: var(--muted-on-dark); font-weight: 600; line-height: 1.35; }
.hero-float-label strong { color: #fff; }

.hero-float-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(111, 147, 80, 0.16);
  color: var(--teal-bright);
}

/* ---------- brand marquee ---------- */

.brand-marquee {
  background: var(--dark-2);
  border-block: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  padding: 18px 0;
}

.brand-marquee-track {
  display: flex;
  align-items: center;
  gap: 38px;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.brand-marquee span {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(215, 229, 229, 0.45);
  white-space: nowrap;
}

.brand-marquee i { color: var(--teal); font-size: 8px; font-style: normal; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-33.333%); }
}

/* ---------- sections common ---------- */

.section-dark { background: var(--dark); color: var(--text-on-dark); padding: 96px 0; }
.section-light { background: var(--light); color: var(--ink); padding: 96px 0; }
.section-light-alt { background: var(--white); color: var(--ink); padding: 96px 0; }

.section-head { max-width: 680px; margin-bottom: 52px; }

.section-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-bright);
  margin-bottom: 14px;
}

.section-tag-light { color: var(--teal-dark); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.1vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.section-dark .section-title { color: #fff; }

.section-sub { margin-top: 16px; color: var(--ink-soft); font-size: 16.5px; }

.section-dark .section-sub { color: var(--muted-on-dark); }

/* ---------- advantages ---------- */

.counters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 60px;
}

.counter-card {
  padding: 30px 22px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--dark-3), var(--dark-2));
  border: 1px solid rgba(134, 172, 98, 0.14);
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.counter-card:hover { transform: translateY(-4px); border-color: rgba(134, 172, 98, 0.42); }

.counter-num {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 46px);
  font-weight: 700;
  color: var(--teal-bright);
  line-height: 1.1;
  margin-bottom: 8px;
}

.counter-label { font-size: 14px; font-weight: 600; color: var(--muted-on-dark); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(134, 172, 98, 0.4);
  background: rgba(111, 147, 80, 0.06);
}

.feature-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(111, 147, 80, 0.14);
  color: var(--teal-bright);
  margin-bottom: 18px;
}

.feature-ico svg { width: 26px; height: 26px; }

.feature-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.35;
}

.feature-card p { font-size: 14.5px; color: var(--muted-on-dark); }

/* ---------- catalog ---------- */

.brand-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.brand-tab {
  padding: 12px 26px;
  border-radius: 999px;
  border: 1.5px solid rgba(18, 39, 43, 0.16);
  background: var(--white);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink-soft);
  transition: all 0.25s ease;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.brand-tab:hover { border-color: var(--teal); color: var(--teal-dark); transform: translateY(-2px); }

.brand-tab.is-active {
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 22px var(--teal-glow);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 18px;
}

.model-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid rgba(18, 39, 43, 0.07);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: cardIn 0.45s ease both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.model-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }

.model-card:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

.model-img { position: relative; display: block; overflow: hidden; background: #f2f5f5; }

.model-img img {
  width: 100%;
  aspect-ratio: 900 / 817;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.model-card:hover .model-img img { transform: scale(1.035); }

.model-img::after {
  content: "\1F50D";
  position: absolute;
  right: 12px; bottom: 12px;
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(43, 58, 37, 0.65);
  color: #fff;
  font-size: 15px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.model-card:hover .model-img::after { opacity: 1; transform: translateY(0); }

.model-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  min-width: 0;
}

.model-name {
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink);
  min-width: 0;
  overflow-wrap: anywhere;
}

.model-price {
  font-weight: 800;
  font-size: 14.5px;
  color: var(--tan);
  white-space: nowrap;
  flex-shrink: 0;
}

.catalog-features {
  margin-top: 36px;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: rgba(111, 147, 80, 0.08);
  border: 1px solid rgba(111, 147, 80, 0.2);
  font-size: 15px;
  color: var(--ink-soft);
}

.catalog-features strong { color: var(--ink); }

/* ---------- about ---------- */

.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 60px;
  align-items: center;
}

.about-photos {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 16px;
  align-items: end;
}

.about-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); }

.about-photo img { width: 100%; height: 100%; object-fit: cover; }

.about-photo-tall img { aspect-ratio: 3 / 4.2; }

.about-photo-wide { margin-bottom: 34px; }
.about-photo-wide img { aspect-ratio: 4 / 3.4; }

.about-stamp {
  position: absolute;
  left: 50%;
  bottom: -22px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-dark));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
  box-shadow: 0 14px 34px var(--teal-glow);
  white-space: nowrap;
}

.about-content .section-title { margin-bottom: 20px; }

.about-content p { color: var(--ink-soft); margin-bottom: 16px; }

.about-list { margin: 10px 0 28px; display: grid; gap: 12px; }

.about-list li { display: flex; align-items: flex-start; gap: 11px; font-weight: 600; font-size: 15px; }

.about-list .perk-ico { background: rgba(111, 147, 80, 0.14); color: var(--teal-dark); margin-top: 1px; }

/* ---------- install ---------- */

.install-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 60px;
  align-items: center;
}

.steps { display: grid; gap: 8px; counter-reset: step; }

.step {
  display: flex;
  gap: 22px;
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.step:hover { background: rgba(255, 255, 255, 0.03); border-color: rgba(134, 172, 98, 0.2); }

.step-num {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--teal-bright);
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: rgba(111, 147, 80, 0.12);
  border: 1px solid rgba(134, 172, 98, 0.25);
}

.step-body h3 { font-size: 17px; font-weight: 800; color: #fff; margin-bottom: 6px; }

.step-body p { font-size: 14.5px; color: var(--muted-on-dark); }

.step-body strong { color: var(--teal-bright); }

.install-visual { min-width: 0; }

.install-photo-frame {
  position: relative;
  border-radius: 26px;
  padding: 10px;
  background: linear-gradient(150deg, rgba(134, 172, 98, 0.4), rgba(134, 172, 98, 0.04) 55%, rgba(217, 185, 138, 0.22));
  max-width: 430px;
  margin: 0 auto;
}

.install-photo-frame img {
  border-radius: 18px;
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

.install-float-card {
  position: absolute;
  left: 50%;
  bottom: -20px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  border-radius: 16px;
  background: rgba(16, 29, 32, 0.92);
  border: 1px solid rgba(134, 172, 98, 0.3);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
}

.install-float-big {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--teal-bright);
}

.install-float-label { font-size: 13px; font-weight: 600; color: var(--muted-on-dark); line-height: 1.3; }

/* ---------- request ---------- */

.request-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 52px;
  padding: 52px;
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 24px 70px rgba(10, 35, 38, 0.12);
  border: 1px solid rgba(111, 147, 80, 0.15);
}

.request-info .section-tag { color: var(--teal-dark); }

.request-info .section-title { margin-bottom: 18px; }

.request-info p { color: var(--ink-soft); margin-bottom: 24px; }

.request-perks { display: grid; gap: 13px; }

.request-perks li { display: flex; align-items: flex-start; gap: 11px; font-weight: 600; font-size: 15px; }

.request-perks .perk-ico { background: rgba(111, 147, 80, 0.14); color: var(--teal-dark); margin-top: 1px; }

.request-form { display: grid; gap: 16px; min-width: 0; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 16px;
}

.form-field { display: grid; gap: 7px; min-width: 0; }

.form-label { font-size: 13.5px; font-weight: 700; color: var(--ink); }

.request-form input,
.request-form select,
.request-form textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(18, 39, 43, 0.14);
  background: var(--light);
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 0;
}

.request-form textarea { resize: vertical; }

.request-form input:focus,
.request-form select:focus,
.request-form textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(111, 147, 80, 0.14);
  background: #fff;
}

.request-form input::placeholder,
.request-form textarea::placeholder { color: #9db0af; }

.form-note {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(111, 147, 80, 0.10);
  border: 1px solid rgba(111, 147, 80, 0.3);
  color: var(--teal-dark);
  font-weight: 600;
  font-size: 14.5px;
}

.form-note a { text-decoration: underline; }

.form-privacy { font-size: 12px; color: #9db0af; text-align: center; }

/* ---------- contacts ---------- */

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(134, 172, 98, 0.4);
  background: rgba(111, 147, 80, 0.06);
}

.contact-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 13px;
  background: rgba(111, 147, 80, 0.14);
  color: var(--teal-bright);
  margin-bottom: 10px;
}

.contact-ico svg { width: 24px; height: 24px; }

.contact-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
}

.contact-value { font-size: 16.5px; font-weight: 800; color: #fff; line-height: 1.4; }

.contact-value small { font-size: 13px; font-weight: 600; color: var(--muted-on-dark); }

/* ---------- footer ---------- */

.footer {
  background: var(--dark-2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 40px 0;
  color: var(--muted-on-dark);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 36px;
}

.footer .logo-img { height: 36px; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }

.footer-nav a { font-size: 14px; font-weight: 600; transition: color 0.2s ease; }

.footer-nav a:hover { color: var(--teal-bright); }

.footer-copy { font-size: 13px; margin-left: auto; max-width: 420px; }

/* ---------- WhatsApp FAB ---------- */

.wa-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.wa-fab:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 16px 38px rgba(37, 211, 102, 0.55); }

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 12, 13, 0.88);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  cursor: zoom-out;
}

.lightbox-body {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(94vw, 860px);
  max-height: 92vh;
  animation: lbIn 0.28s ease;
}

@keyframes lbIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.lightbox-figure {
  flex: 1;
  min-width: 0;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
}

.lightbox-figure img {
  width: 100%;
  max-height: min(72vh, 640px);
  object-fit: contain;
  background: #fff;
}

.lightbox-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 15px 22px;
  border-top: 1px solid rgba(18, 39, 43, 0.08);
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
}

.lightbox-price { color: var(--teal-dark); white-space: nowrap; }

.lightbox-close {
  position: absolute;
  top: -46px;
  right: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox-close:hover { background: var(--teal); transform: rotate(90deg); }

.lightbox-arrow {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.2s ease;
  user-select: none;
}

.lightbox-arrow:hover { background: var(--teal); transform: scale(1.08); }

/* ---------- reveal animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
  .nav { gap: 18px; }
  .nav-link { font-size: 13.5px; }
  .counters, .feature-grid, .contacts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-inner { gap: 40px; }
  .install-inner, .about-inner { gap: 44px; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }

  .header-cta { display: none; }

  .burger { display: flex; margin-left: auto; }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(43, 58, 37, 0.97);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px 20px 22px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    margin-left: 0;
  }

  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }

  .nav-link { padding: 13px 4px; font-size: 16px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }

  .nav-phone { padding: 16px 4px 4px; font-size: 17px; }

  .hero { padding: calc(var(--header-h) + 36px) 0 60px; }

  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 44px; }

  .hero-content { text-align: left; }

  .hero-float-1 { left: 10px; }
  .hero-float-2 { right: 10px; }

  .section-dark, .section-light, .section-light-alt { padding: 68px 0; }

  .about-inner, .install-inner { grid-template-columns: minmax(0, 1fr); }

  .about-photos { max-width: 560px; }

  .install-visual { order: -1; }

  .install-photo-frame { max-width: 340px; }

  .request-card { grid-template-columns: minmax(0, 1fr); gap: 36px; padding: 34px 24px; }

  .footer-copy { margin-left: 0; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }

  .logo-img { height: 34px; }

  .hero-title { font-size: clamp(27px, 8vw, 34px); }

  .hero-actions .btn { width: 100%; }

  .hero-float-card { padding: 10px 14px; }
  .hero-float-num { font-size: 19px; }
  .hero-float-ico { width: 34px; height: 34px; }

  .counters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .counter-card { padding: 22px 12px; }

  .feature-grid, .contacts-grid { grid-template-columns: minmax(0, 1fr); }

  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }

  .model-meta { flex-direction: column; align-items: flex-start; gap: 3px; padding: 12px 13px; }

  .model-name, .model-price { font-size: 13.5px; }

  .brand-tab { padding: 10px 18px; font-size: 14px; }

  .step { padding: 16px 4px; gap: 15px; }

  .step-num { width: 40px; height: 40px; font-size: 17px; }

  .about-photos { grid-template-columns: minmax(0, 1fr); }
  .about-photo-wide { margin-bottom: 0; display: none; }
  .about-stamp { bottom: -18px; }

  .lightbox-arrow { display: none; }

  .lightbox-body { width: 94vw; }

  .wa-fab { width: 52px; height: 52px; right: 14px; bottom: 14px; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal { opacity: 1; transform: none; }

  .brand-marquee-track { animation: none; }
}