/* ============================================
   МОС ЖБИ — Premium Landing
   ============================================ */

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

:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --bg: #0A0F1E;
  --bg-card: #111827;
  --bg-alt: #0D1326;
  --bg-elevated: #1A2236;
  --text: #F1F5F9;
  --text-sec: #8B9DC3;
  --text-dim: #4B5F85;
  --border: rgba(59,130,246,0.12);
  --border-hover: rgba(59,130,246,0.3);
  --glow-blue: rgba(59,130,246,0.15);
  --glow-accent: rgba(245,158,11,0.15);
}

/* Top accent line */
.topline {
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
  position: relative;
  z-index: 101;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #FBBF24; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.text-accent { color: var(--accent); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.btn--lg { padding: 18px 36px; font-size: 15px; }

.btn--accent {
  background: linear-gradient(135deg, var(--accent) 0%, #E8860C 100%);
  color: #0A0F1E;
  border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--glow-accent), 0 4px 16px rgba(245,158,11,0.2);
}
.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--glow-accent), 0 8px 32px rgba(245,158,11,0.3);
  text-decoration: none;
  color: #0A0F1E;
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hover);
}
.btn--outline:hover {
  background: var(--glow-blue);
  border-color: var(--primary-light);
  color: var(--text);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn--glass {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn--glass:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  color: var(--text);
  text-decoration: none;
  transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,15,30,0.8);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  z-index: -1;
  transition: background 0.3s;
  pointer-events: none;
}
.header--scrolled::before {
  background: rgba(10,15,30,0.95);
}
.header--scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.header__logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  flex-shrink: 0;
}
.header__logo:hover { text-decoration: none; }
.header__logo-text {
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 0.06em;
  line-height: 1.1;
}
.header__logo-accent {
  color: var(--accent);
}
.header__logo-sub {
  font-size: 10px;
  color: var(--text-sec);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.header__nav {
  display: flex;
  gap: 20px;
  align-items: center;
}
.header__link {
  color: var(--text-sec);
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
  position: relative;
}
.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}
.header__link:hover { color: var(--text); text-decoration: none; }
.header__link:hover::after { width: 100%; }

.header__nav-phones { display: none; }

.header__phones {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  gap: 2px;
}
.header__phone {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.header__phone svg { color: var(--accent); flex-shrink: 0; }
.header__phone:hover { color: var(--accent); text-decoration: none; }

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}
.header__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s;
  border-radius: 1px;
}
.header__burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.active span:nth-child(2) { opacity: 0; }
.header__burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  padding: 56px 0 0;
  overflow: hidden;
}

.hero__noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,64,175,0.1) 0%, transparent 50%, rgba(245,158,11,0.05) 100%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: glow-pulse 6s ease-in-out infinite alternate;
}
.hero__glow--1 {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: rgba(30,64,175,0.15);
}
.hero__glow--2 {
  width: 400px; height: 400px;
  bottom: -100px; right: -50px;
  background: rgba(245,158,11,0.08);
  animation-delay: 3s;
}

@keyframes glow-pulse {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.1); }
}

.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  min-height: calc(100vh - 75px - 260px);
}

.hero__content { max-width: 560px; }

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 1.2s 0.5s ease both;
}

.hero__illustration {
  width: 100%;
  max-width: 480px;
  height: auto;
}

.hero__block {
  animation: fadeInUp 0.8s ease both;
}
.hero__block--1 { animation-delay: 0.3s; }
.hero__block--2 { animation-delay: 0.5s; }
.hero__block--3 { animation-delay: 0.7s; }
.hero__block--4 { animation-delay: 0.9s; }
.hero__block--5 { animation-delay: 0.6s; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #22C55E;
  border-radius: 50%;
  animation: dot-pulse 2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s 0.15s ease both;
}
.hero__title-accent {
  background: linear-gradient(135deg, var(--accent), #FBBF24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 500px;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.45s ease both;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  animation: fadeIn 1s 1s ease both;
}
.hero__scroll-line {
  width: 2px;
  height: 8px;
  background: var(--accent);
  border-radius: 1px;
  margin-top: 6px;
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   TICKER (inside stats)
   ============================================ */
.ticker {
  border-top: 1px solid var(--border);
  overflow: hidden;
  padding: 12px 0;
  margin-top: 0;
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 30s linear infinite;
}

.ticker__content {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.ticker__content span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  padding: 0 20px;
}

.ticker__dot {
  width: 4px !important;
  height: 4px !important;
  background: var(--accent) !important;
  border-radius: 50%;
  flex-shrink: 0;
  padding: 0 !important;
  display: inline-block;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   STATS
   ============================================ */
.stats {
  padding: 0;
  position: relative;
  z-index: 2;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats__grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 48px;
}

.stats__item { text-align: center; flex: 1; }

.stats__number {
  font-size: 42px;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
  display: inline;
}

.stats__unit {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  display: inline;
  margin-left: 2px;
}

.stats__label {
  font-size: 13px;
  color: var(--text-sec);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.stats__divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 80px 0; }

.section--alt {
  background: var(--bg-alt);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.section__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  position: relative;
  padding: 0 24px;
}
.section__tag::before, .section__tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}
.section__tag::before { left: 0; }
.section__tag::after { right: 0; }

.section__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0;
}
.section__title--left { text-align: left; }

.section__desc {
  font-size: 16px;
  color: var(--text-sec);
  margin-top: 16px;
  line-height: 1.7;
}

/* ============================================
   PRODUCT CARDS
   ============================================ */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0.6;
  transition: opacity 0.3s;
}
.card:hover::before { opacity: 1; }
.card--featured::before {
  background: linear-gradient(90deg, var(--accent), #FBBF24);
}

.card__glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, var(--glow-blue) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px var(--glow-blue);
}
.card:hover .card__glow { opacity: 1; }

.card--featured {
  border-color: rgba(245,158,11,0.2);
}
.card--featured:hover {
  border-color: rgba(245,158,11,0.4);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px var(--glow-accent);
}
.card__glow--accent {
  background: linear-gradient(180deg, var(--glow-accent) 0%, transparent 100%);
}

.card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.card__icon {
  width: 52px;
  height: 52px;
  color: var(--primary-light);
}
.card--featured .card__icon { color: var(--accent); }
.card__icon svg { width: 100%; height: 100%; }

.card__badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--primary-light);
}
.card__badge--wide { white-space: nowrap; }
.card__badge--accent {
  background: rgba(245,158,11,0.1);
  border-color: rgba(245,158,11,0.25);
  color: var(--accent);
}

.card__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.card__sub {
  font-size: 13px;
  color: var(--text-sec);
  margin-bottom: 16px;
}

.card__specs {
  list-style: none;
  margin-bottom: 16px;
  flex-grow: 1;
}
.card__specs li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.card__specs li span:first-child { color: var(--text-dim); }
.card__specs li span:last-child { font-weight: 500; text-align: right; }

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.card__tags span {
  background: rgba(59,130,246,0.08);
  color: var(--text-sec);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border);
  letter-spacing: 0.02em;
}

.card__use {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
  line-height: 1.5;
}

.card__text {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.6;
  margin-bottom: 12px;
}

.card__note {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}

.card__btn { margin-top: auto; width: 100%; }

/* ============================================
   CTA
   ============================================ */
.cta {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}
.cta__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary) 0%, #1E3A8A 100%);
}
.cta__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  top: -200px;
  right: -100px;
  background: rgba(245,158,11,0.15);
  border-radius: 50%;
  filter: blur(100px);
}
.cta__inner {
  position: relative;
  text-align: center;
  z-index: 1;
}
.cta__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.cta__text {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
}

/* ============================================
   ADVANTAGES
   ============================================ */
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.advantage:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

.advantage__num {
  font-size: 48px;
  font-weight: 900;
  color: rgba(59,130,246,0.08);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.advantage__icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  margin-bottom: 20px;
}
.advantage__icon svg { width: 100%; height: 100%; }

.advantage__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.advantage__text {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.6;
}

/* ============================================
   ABOUT
   ============================================ */
.about__layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: start;
}

.about__content .section__tag { padding-left: 0; }
.about__content .section__tag::before { display: none; }
.about__content .section__title { margin-bottom: 28px; }

.about__content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sec);
  margin-bottom: 18px;
}
.about__content strong { color: var(--text); }

.about__features {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 0;
  margin-top: 48px;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.about__feature:last-child { border-bottom: none; }
.about__feature:hover { background: rgba(59,130,246,0.04); }

.about__feature-icon {
  width: 24px;
  height: 24px;
  color: #22C55E;
  flex-shrink: 0;
}
.about__feature-icon svg { width: 100%; height: 100%; }

.about__feature span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

/* ============================================
   FORM
   ============================================ */
.form-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.form-section__info .section__tag { padding-left: 0; }
.form-section__info .section__tag::before { display: none; }
.form-section__info .section__title { margin-bottom: 20px; }

.form-section__desc {
  font-size: 15px;
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 32px;
}

.form-section__benefits {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-section__benefit {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-sec);
  font-size: 14px;
  font-weight: 500;
}
.form-section__benefit svg { color: var(--accent); flex-shrink: 0; }

.form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 36px;
}

.form__fields {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.form__label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form__input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: all 0.3s;
  appearance: none;
}
.form__input:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px var(--glow-blue);
}
.form__input::placeholder { color: var(--text-dim); }

.form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234B5F85' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form__textarea { resize: vertical; min-height: 100px; }

.form__hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form__submit { width: 100%; }

.form__note {
  text-align: center;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
}

.form__status {
  text-align: center;
  margin-top: 16px;
  font-size: 15px;
  min-height: 24px;
  font-weight: 500;
}
.form__status--success { color: #22C55E; }
.form__status--error { color: #EF4444; }

/* ============================================
   CONTACTS
   ============================================ */
.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
  align-items: stretch;
}

.contacts__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 36px;
  height: 100%;
}

.contacts__item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}
.contacts__item:last-child { margin-bottom: 0; }

.contacts__item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,0.08);
  border: 1px solid var(--border);
  color: var(--accent);
  flex-shrink: 0;
}
.contacts__item-icon svg { width: 20px; height: 20px; }

.contacts__item strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.contacts__item p {
  font-size: 15px;
  color: var(--text-sec);
  margin: 0;
  line-height: 1.6;
}
.contacts__item a { color: var(--text); font-weight: 500; }
.contacts__item a:hover { color: var(--accent); }

.contacts__map {
  border: 1px solid var(--border);
  overflow: hidden;
  min-height: 400px;
}
.contacts__map iframe { display: block; width: 100%; height: 100%; min-height: 400px; }

/* ============================================
   REQUISITES
   ============================================ */
.requisites {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px;
}
.requisites__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.requisites__row {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.requisites__label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 4px;
}
.requisites__value {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

.footer__top-section {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer__brand p {
  font-size: 13px;
  color: var(--text-sec);
  margin-top: 12px;
  line-height: 1.6;
}

.footer__col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  font-size: 14px;
  color: var(--text-sec);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--text); text-decoration: none; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}
.footer__bottom p {
  font-size: 13px;
  color: var(--text-dim);
}
.footer__up {
  color: var(--text-sec);
  font-size: 13px;
  font-weight: 500;
}
.footer__up:hover { color: var(--accent); text-decoration: none; }

/* ============================================
   MOBILE CALL
   ============================================ */
.mobile-call {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, #1E3A8A 100%);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(30,64,175,0.5), 0 0 40px rgba(30,64,175,0.2);
  color: #fff;
  text-decoration: none;
  animation: pulse-ring 2s ease infinite;
}
.mobile-call svg { width: 24px; height: 24px; }

@keyframes pulse-ring {
  0% { box-shadow: 0 4px 20px rgba(30,64,175,0.5), 0 0 0 0 rgba(30,64,175,0.4); }
  70% { box-shadow: 0 4px 20px rgba(30,64,175,0.5), 0 0 0 16px rgba(30,64,175,0); }
  100% { box-shadow: 0 4px 20px rgba(30,64,175,0.5), 0 0 0 0 rgba(30,64,175,0); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-aos] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.products__grid [data-aos]:nth-child(2) { transition-delay: 0.1s; }
.products__grid [data-aos]:nth-child(3) { transition-delay: 0.2s; }
.products__grid [data-aos]:nth-child(4) { transition-delay: 0.1s; }
.products__grid [data-aos]:nth-child(5) { transition-delay: 0.2s; }
.products__grid [data-aos]:nth-child(6) { transition-delay: 0.3s; }

.advantages__grid [data-aos]:nth-child(2) { transition-delay: 0.1s; }
.advantages__grid [data-aos]:nth-child(3) { transition-delay: 0.2s; }
.advantages__grid [data-aos]:nth-child(4) { transition-delay: 0.1s; }
.advantages__grid [data-aos]:nth-child(5) { transition-delay: 0.2s; }
.advantages__grid [data-aos]:nth-child(6) { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
  .about__layout { grid-template-columns: 1fr; gap: 40px; }
  .form-section { grid-template-columns: 1fr; gap: 40px; }
  .footer__top-section { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,15,30,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 99;
  }
  .header__nav.active { display: flex; }
  .header__nav .header__link { font-size: 20px; }
  .header__nav .header__link::after { display: none; }
  .header__nav-phones {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }
  .header__nav-phones a {
    color: var(--text);
    font-size: 18px;
    font-weight: 600;
  }

  .header__phones { display: none; }
  .header__burger { display: flex; }

  .hero { padding: 60px 0 20px; }
  .hero__layout { grid-template-columns: 1fr; min-height: auto; }
  .hero__visual { display: none; }

  .stats__grid {
    flex-direction: column;
    gap: 24px;
    padding: 32px;
  }
  .stats__divider { width: 60px; height: 1px; }
  .stats { margin-top: -20px; }

  .section { padding: 64px 0; }

  .products__grid { grid-template-columns: 1fr; }
  .advantages__grid { grid-template-columns: 1fr; }

  .contacts__grid { grid-template-columns: 1fr; }

  .requisites__grid { grid-template-columns: 1fr; }
  .requisites { padding: 28px; }

  .footer__top-section { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; gap: 12px; }

  .mobile-call { display: flex; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .card { padding: 24px 20px 20px; }
  .form { padding: 24px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}