/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange: #f97316;
  --orange-dark: #ea580c;
  --orange-light: #fb923c;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  --viber: #7360f2;
  --whatsapp: #25d366;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.15);
  --radius: 16px;
  --radius-lg: 24px;
  --ticker-h: 34px;
  --header-h: 72px;
  --top-offset: calc(var(--ticker-h) + var(--header-h));
  --transition: 0.25s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: var(--top-offset); }

body {
  font-family: var(--font);
  background: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.ui-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--slate-900);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--slate-500);
  margin-bottom: 48px;
  font-size: 1.05rem;
}

.section-divider {
  width: 64px;
  height: 4px;
  background: var(--orange);
  border-radius: 2px;
  margin: 0 auto 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }

.btn-outline {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,0.2); }

.btn-white {
  background: var(--white);
  color: var(--slate-900);
}
.btn-white:hover { background: var(--slate-100); }

/* ===== TOP TICKER ===== */
.top-ticker {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--ticker-h);
  background: var(--slate-900);
  border-bottom: 1px solid rgba(249,115,22,0.3);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.top-ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 28s linear infinite;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}
.top-ticker__group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.top-ticker__group span {
  display: inline-flex;
  align-items: center;
  padding: 0 32px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--slate-300);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
}
.top-ticker__group span::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  margin-right: 32px;
  flex-shrink: 0;
}
@keyframes ticker-scroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: var(--ticker-h);
  left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  height: var(--header-h);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.logo {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.logo__name {
  font-size: 1.35rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--slate-900);
  line-height: 1.1;
}
.logo__name span { color: var(--orange); }
.logo__tagline {
  font-size: 0.7rem;
  color: var(--slate-500);
  font-weight: 500;
}

.nav { display: flex; gap: 28px; }
.nav a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--slate-700);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav a:hover { color: var(--orange); }

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header__callback-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.15;
  gap: 2px;
}

.header__phone {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--slate-900);
  transition: color var(--transition);
  white-space: nowrap;
}
.header__phone:hover { color: var(--orange); }

.header__callback {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange);
  animation: callback-pulse 1.8s ease-in-out infinite;
  white-space: nowrap;
}
@keyframes callback-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    text-shadow: 0 0 0 transparent;
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
    text-shadow: 0 0 10px rgba(249,115,22,0.5);
  }
}

.messenger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  padding: 0;
  border: none;
  line-height: 0;
  transition: transform var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.messenger-btn--viber { background: #7360f2; }
.messenger-btn--whatsapp { background: #25d366; }
.messenger-btn:hover { transform: scale(1.08); }
.messenger-btn img {
  pointer-events: none;
}
.messenger-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 50%;
  transform: scale(1.04);
}
.messenger-logo--sm,
.messenger-logo--md {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  transform: none;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1002;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--slate-900);
  border-radius: 2px;
  transition: all var(--transition);
}
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--white);
  z-index: 1001;
  padding: calc(var(--header-h) + 24px) 24px 24px;
  box-shadow: -8px 0 32px rgba(0,0,0,0.15);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.mobile-nav.open { right: 0; }
.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.mobile-nav__overlay.open { opacity: 1; visibility: visible; }

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--slate-800);
  border-bottom: 1px solid var(--slate-100);
}
.mobile-nav a:hover { color: var(--orange); }

.mobile-nav__messengers {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.mobile-nav__messengers a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: 999px;
  border: none;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
}
.mobile-nav__messengers .viber-link {
  background: rgba(115,96,242,0.1);
  color: var(--viber);
}
.mobile-nav__messengers .whatsapp-link {
  background: rgba(37,211,102,0.1);
  color: #128c41;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: calc(var(--top-offset) + 40px) 0 64px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(15,23,42,0.92) 0%, rgba(15,23,42,0.75) 42%, rgba(15,23,42,0.45) 100%),
    linear-gradient(to top, rgba(15,23,42,0.85) 0%, transparent 45%);
}
.hero__accent-line {
  position: absolute;
  left: 0;
  top: 20%;
  width: 4px;
  height: 140px;
  background: linear-gradient(to bottom, var(--orange), transparent);
  z-index: 1;
  border-radius: 0 2px 2px 0;
}
.hero__wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}
.hero__main {
  max-width: 620px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,0.15);
  color: var(--orange-light);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
  border: 1px solid rgba(249,115,22,0.35);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero__badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--orange);
}
.hero__title {
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}
.hero__title-top {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 900;
  color: white;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.hero__title-accent {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--orange);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 4px 0;
}
.hero__title-bottom {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--slate-300);
  line-height: 1.3;
  margin-top: 8px;
}
.hero__title-bottom strong {
  color: white;
  font-weight: 800;
}
.hero__text {
  font-size: 1.05rem;
  color: var(--slate-400);
  margin-bottom: 32px;
  font-weight: 400;
  line-height: 1.65;
  max-width: 520px;
}
.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Hero aside card */
.hero__aside { display: flex; justify-content: flex-end; }
.hero__card {
  width: 100%;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.hero__card-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.hero__card-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  letter-spacing: -2px;
}
.hero__card-label {
  font-size: 0.85rem;
  color: var(--slate-300);
  line-height: 1.4;
  font-weight: 500;
}
.hero__card-list {
  list-style: none;
  margin-bottom: 20px;
}
.hero__card-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--slate-300);
  padding: 7px 0;
  line-height: 1.4;
}
.hero__card-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
  margin-top: 6px;
}
.hero__card-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  background: var(--orange);
  color: white;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 12px;
  transition: background var(--transition), transform var(--transition);
}
.hero__card-phone:hover {
  background: var(--orange-dark);
  transform: translateY(-1px);
}
.hero__card-phone .ui-icon { stroke: white; }

/* Trust strip */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.trust-item {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px 14px;
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
}
.trust-item:hover {
  border-color: rgba(249,115,22,0.45);
  background: rgba(255,255,255,0.12);
}
.trust-item__icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 12px;
  border: 1px solid rgba(249,115,22,0.35);
  background: rgba(249,115,22,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-item__icon .ui-icon {
  width: 22px;
  height: 22px;
  stroke: var(--orange);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.trust-item__title {
  font-size: 0.8rem;
  font-weight: 800;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.trust-item__desc {
  font-size: 0.72rem;
  color: var(--slate-400);
  margin-top: 4px;
}

/* ===== ADVANTAGES ===== */
.advantages { padding: 80px 0; background: white; }

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.advantage-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(249,115,22,0.08);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.advantage-card:hover .advantage-card__icon {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.12);
}
.advantage-card__icon .ui-icon {
  width: 28px;
  height: 28px;
  stroke: var(--orange);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.advantage-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--slate-900);
}
.advantage-card p {
  font-size: 0.875rem;
  color: var(--slate-600);
  line-height: 1.5;
}

/* ===== MATERIALS ===== */
.materials {
  padding: 80px 0;
  background: var(--slate-900);
  color: white;
}
.materials .section-title { color: white; }
.materials .section-subtitle { color: var(--slate-400); }

.materials__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.material-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: default;
}
.material-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.material-card:hover img { transform: scale(1.06); }
.material-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.9) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.material-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 80px 0;
  background: var(--slate-50);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  position: relative;
  padding-left: 64px;
}
.step__num {
  position: absolute;
  left: 0; top: 0;
  width: 48px;
  height: 48px;
  background: var(--orange);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(249,115,22,0.35);
}
.step h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--slate-900);
}
.step p {
  font-size: 0.875rem;
  color: var(--slate-600);
}

/* ===== SERVICES & PRICES ===== */
.services { padding: 80px 0; background: white; }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.price-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--slate-100);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.price-card--featured {
  border: 2px solid var(--orange);
  box-shadow: 0 12px 40px rgba(249,115,22,0.15);
}
.price-card--featured:hover { transform: translateY(-4px); }

.price-card__badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--orange);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 50px;
  z-index: 2;
}

.price-card__img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.price-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.price-card:hover .price-card__img img { transform: scale(1.05); }
.price-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.7), transparent);
}
.price-card__img h3 {
  position: absolute;
  bottom: 16px; left: 20px;
  color: white;
  font-size: 1.35rem;
  font-weight: 800;
  z-index: 1;
}

.price-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.price-card__body > p {
  font-size: 0.875rem;
  color: var(--slate-500);
  margin-bottom: 20px;
  min-height: 3.75rem;
}
.price-card__rows { margin-top: auto; }

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--slate-100);
  font-size: 0.875rem;
}
.price-row:last-child { border-bottom: none; }
.price-row__value {
  font-weight: 900;
  color: var(--orange);
  font-size: 1.05rem;
  white-space: nowrap;
}

.services__cta {
  text-align: center;
  margin-top: 36px;
}

/* ===== PAYMENT ===== */
.payment {
  padding: 64px 0;
  background: var(--orange);
  color: white;
}
.payment .section-title { color: white; }
.payment .section-subtitle { color: rgba(255,255,255,0.85); margin-bottom: 40px; }

.payment__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.payment-card {
  background: rgba(15, 23, 42, 0.18);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.payment-card:hover {
  background: rgba(15, 23, 42, 0.26);
}
.payment-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  border: 1.5px solid rgba(255,255,255,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.payment-card__icon .ui-icon {
  width: 26px;
  height: 26px;
  stroke: white;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.payment-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.payment-card p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
}

/* ===== CALCULATOR ===== */
.calculator {
  padding: 80px 0;
  background: var(--slate-900);
  color: white;
  position: relative;
}
.calculator .container { position: relative; z-index: 1; }
.calculator .section-title { color: white; }
.calculator .section-subtitle { color: var(--slate-400); }

.calc-box {
  background: var(--slate-800);
  border: 1px solid var(--slate-700);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.calc-form label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate-400);
  margin-bottom: 10px;
}
.calc-form .field { margin-bottom: 24px; }

.calc-form select,
.calc-form input[type="text"],
.calc-form input[type="tel"] {
  width: 100%;
  background: rgba(51,65,85,0.5);
  border: 1px solid var(--slate-600);
  color: white;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}
.calc-form select:focus,
.calc-form input:focus {
  border-color: var(--orange);
}

.range-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.range-value {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--orange);
}

input[type="range"] {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  background: var(--slate-600);
  border-radius: 3px;
  outline: none;
  margin-top: 8px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  background: var(--orange);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(249,115,22,0.5);
}

.calc-extras-toggle {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(51,65,85,0.5);
  border: 1px solid var(--slate-600);
  border-radius: 12px;
  color: var(--slate-300);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 0;
}
.calc-extras-toggle__icon {
  font-size: 1.25rem;
  color: var(--orange);
  transition: transform var(--transition);
}
.field--extras.open .calc-extras-toggle__icon { transform: rotate(45deg); }
.calc-extras-label { display: block; }

.calc-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}
.calc-option { cursor: pointer; display: block; }
.calc-option__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.calc-option__box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--slate-600);
  background: rgba(51,65,85,0.35);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.calc-option__check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--slate-500);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}
.calc-option__check::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--transition);
}
.calc-option__label {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-300);
  line-height: 1.3;
}
.calc-option__price {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
}
.calc-option__input:checked + .calc-option__box {
  border-color: var(--orange);
  background: rgba(249,115,22,0.12);
  box-shadow: 0 0 0 1px rgba(249,115,22,0.25);
}
.calc-option__input:checked + .calc-option__box .calc-option__check {
  background: var(--orange);
  border-color: var(--orange);
}
.calc-option__input:checked + .calc-option__box .calc-option__check::after {
  transform: rotate(45deg) scale(1);
}
.calc-option:hover .calc-option__box {
  border-color: var(--slate-500);
}

.calc-result {
  background: white;
  color: var(--slate-900);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.calc-result__label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate-400);
  margin-bottom: 8px;
}
.calc-result__price {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  margin-bottom: 16px;
}
.calc-result__price span { color: var(--orange); }
.calc-result__note {
  font-size: 0.8rem;
  color: var(--slate-500);
  background: var(--slate-50);
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--slate-100);
  margin-bottom: 24px;
  line-height: 1.5;
}

.lead-form .field { margin-bottom: 14px; }
.lead-form input {
  width: 100%;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 1rem;
  color: var(--slate-900);
  outline: none;
}
.lead-form input:focus { border-color: var(--orange); }
.lead-form .btn-primary {
  width: 100%;
  padding: 18px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 8px;
}

/* ===== PORTFOLIO & REVIEWS ===== */
.portfolio { padding: 80px 0; background: var(--slate-100); }

.reviews-slider-wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto 60px;
}
.reviews-slider {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 8px 0;
}
.reviews-slider::-webkit-scrollbar { display: none; }

.review-card {
  flex: 0 0 min(340px, calc(100% - 48px));
  width: min(340px, calc(100% - 48px));
  max-width: 100%;
  scroll-snap-align: center;
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--slate-200);
  box-sizing: border-box;
}
.review-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}
.review-card__name { font-weight: 800; color: var(--slate-900); }
.review-card__stars { color: var(--orange); font-size: 0.85rem; }
.review-card__text {
  font-size: 0.9rem;
  color: var(--slate-600);
  font-style: italic;
  line-height: 1.6;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--orange);
  font-weight: 900;
  transition: background var(--transition);
  z-index: 2;
}
.slider-btn:hover { background: rgba(249,115,22,0.1); }
.slider-btn--prev { left: -22px; }
.slider-btn--next { right: -22px; }

.gallery-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 28px;
  color: var(--slate-900);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.gallery-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}
.gallery-grid img:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.92);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 12px;
  object-fit: contain;
}
.lightbox__close {
  position: absolute;
  top: 24px; right: 24px;
  color: white;
  font-size: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

/* ===== FAQ ===== */
.faq { padding: 80px 0; background: white; }
.faq__list { max-width: 720px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--slate-200);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--slate-50);
}
.faq-item__btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--slate-900);
  text-align: left;
}
.faq-item__icon {
  font-size: 1.5rem;
  color: var(--orange);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform var(--transition);
}
.faq-item.open .faq-item__icon { transform: rotate(45deg); }
.faq-item__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item__content p {
  padding: 0 24px 18px;
  font-size: 0.875rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
  background: #020617;
  color: var(--slate-400);
  padding: 64px 0 32px;
  border-top: 1px solid var(--slate-800);
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer__logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: white;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer__logo span { color: var(--orange); }
.footer p { font-size: 0.875rem; line-height: 1.7; margin-bottom: 6px; }

.footer h4 {
  color: white;
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.footer__schedule li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--slate-800);
  font-size: 0.875rem;
}
.footer__schedule li:last-child { border-bottom: none; }
.footer__schedule .closed { color: var(--orange); font-weight: 700; }

.footer__phone {
  font-size: 1.75rem;
  font-weight: 900;
  color: white;
  display: block;
  margin-bottom: 20px;
  transition: color var(--transition);
}
.footer__phone:hover { color: var(--orange); }

.footer__messengers {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__messengers a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  transition: background var(--transition);
  line-height: 1;
}
.footer__messengers .viber-link {
  background: rgba(115,96,242,0.15);
  color: #a78bfa;
  border: 1px solid rgba(115,96,242,0.3);
}
.footer__messengers .whatsapp-link {
  background: rgba(37,211,102,0.15);
  color: #4ade80;
  border: 1px solid rgba(37,211,102,0.3);
}
.footer__messengers .messenger-logo {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}

/* ===== THANK YOU PAGE ===== */
.thankyou {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--slate-50);
}
.thankyou__main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--top-offset) + 48px) 20px 80px;
}
.thankyou__card {
  max-width: 560px;
  width: 100%;
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-100);
}
.thankyou__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: rgba(249,115,22,0.1);
  border: 2px solid var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
}
.thankyou__icon .ui-icon {
  width: 36px;
  height: 36px;
  stroke: var(--orange);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.thankyou__card h1 {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--slate-900);
  margin-bottom: 16px;
}
.thankyou__card p {
  color: var(--slate-600);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 32px;
}
.thankyou__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
@media (max-width: 768px) {
  .thankyou__card { padding: 36px 24px; }
}

.footer__bottom {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--slate-800);
  font-size: 0.8rem;
}
.footer__bottom p { margin-bottom: 10px; }
.footer__policy {
  color: var(--slate-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.footer__policy:hover { color: var(--orange); }

/* ===== FLOATING PANEL — removed ===== */

/* Fixed bottom bar mobile */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  background: white;
  border-top: 1px solid var(--slate-200);
  padding: 8px 12px;
  z-index: 899;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}
.mobile-bar__inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.mobile-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--slate-600);
  padding: 6px 8px;
}
.mobile-bar a .bar-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-bar a .bar-icon .ui-icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.mobile-bar .messenger-logo {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  transform: scale(1.04);
}
.mobile-bar a.active, .mobile-bar a:hover { color: var(--orange); }

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: var(--slate-900);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 898;
  box-shadow: var(--shadow);
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--orange); }

/* Image placeholder fallback */
.img-fallback {
  background: linear-gradient(135deg, var(--slate-700), var(--slate-800));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-500);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition: opacity 0.45s ease, transform 0.45s ease;
  will-change: opacity, transform;
}
.fade-up.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero__aside { display: none; }
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
  .materials__grid { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .payment__grid { grid-template-columns: 1fr; }
  .calc-box { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
    --ticker-h: 28px;
  }

  .container { padding: 0 12px; }

  /* Лёгкая анимация появления блоков */
  .fade-up {
    opacity: 0;
    transform: translate3d(0, 16px, 0);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
  }
  .fade-up.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .header {
    backdrop-filter: none;
    background: #fff;
  }
  .trust-item { backdrop-filter: none; }

  .nav { display: none; }

  .header__inner { gap: 8px; }
  .header__actions { gap: 8px; }

  .header__callback-wrap {
    display: flex;
    align-items: flex-end;
    margin-right: 2px;
  }
  .header__phone {
    font-size: 0.78rem;
    font-weight: 900;
  }
  .header__callback {
    font-size: 0.65rem;
    animation: callback-pulse 1.8s ease-in-out infinite;
  }

  .messenger-btn {
    display: inline-flex;
    width: 32px;
    height: 32px;
  }
  .messenger-logo { width: 32px; height: 32px; }

  .burger {
    display: flex;
    padding: 6px;
    margin-left: 2px;
  }

  .logo__tagline { display: none; }
  .logo__name { font-size: 1rem; }

  .advantages, .materials, .how-it-works, .services,
  .payment, .calculator, .portfolio, .faq {
    padding: 40px 0;
  }
  .section-subtitle { margin-bottom: 24px; font-size: 0.9rem; }
  .section-divider { margin-bottom: 24px; }

  .hero {
    min-height: auto;
    padding: calc(var(--top-offset) + 20px) 0 28px;
  }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 16px;
  }
  .hero__aside { display: none; }
  .hero__main { max-width: 100%; }
  .hero__badge { font-size: 0.68rem; padding: 6px 12px; margin-bottom: 14px; }
  .hero__title-top { font-size: 1.7rem; }
  .hero__title-accent { font-size: 1.9rem; }
  .hero__title-bottom { font-size: 1rem; }
  .hero__text { font-size: 0.9rem; margin-bottom: 18px; max-width: 100%; }
  .hero__buttons { flex-direction: column; gap: 10px; }
  .hero__buttons .btn { width: 100%; padding: 14px 20px; font-size: 0.95rem; }
  .hero__accent-line { display: none; }

  .trust-strip {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .trust-item { padding: 12px 8px; }
  .trust-item__icon { width: 34px; height: 34px; }
  .trust-item__title { font-size: 0.68rem; }
  .trust-item__desc { font-size: 0.65rem; }

  .advantages__grid { grid-template-columns: 1fr; gap: 12px; }
  .advantage-card { padding: 20px 16px; }
  .materials__grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .steps-grid { grid-template-columns: 1fr; gap: 16px; }
  .step { padding-left: 52px; }
  .step__num { width: 36px; height: 36px; font-size: 0.95rem; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .gallery-grid img { height: 110px; border-radius: 8px; }

  .footer__grid { grid-template-columns: 1fr; gap: 16px; }
  .footer { padding: 28px 0 18px; }
  .footer__phone { font-size: 1.1rem; }

  .mobile-bar { display: block; }
  body { padding-bottom: 64px; }

  .scroll-top { bottom: 72px; right: 12px; width: 40px; height: 40px; }

  .slider-btn--prev { left: 0; }
  .slider-btn--next { right: 0; }
  .slider-btn { width: 36px; height: 36px; font-size: 1rem; }

  .calculator { padding: 36px 0; }
  .calculator .section-title { font-size: 1.45rem; }
  .calculator .section-subtitle { font-size: 0.85rem; margin-bottom: 16px; }
  .calc-box {
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 16px;
  }
  .calc-result {
    order: 0;
    padding: 16px;
    border-radius: 14px;
  }
  .calc-result__label { font-size: 0.7rem; margin-bottom: 4px; }
  .calc-result__price { font-size: 1.85rem; margin-bottom: 10px; }
  .calc-result__note { font-size: 0.72rem; margin-bottom: 14px; }
  .calc-form .field { margin-bottom: 12px; }
  .calc-form label { font-size: 0.68rem; margin-bottom: 6px; }
  .calc-form select { padding: 12px 14px; font-size: 0.875rem; }
  .range-value { font-size: 1rem; }

  .calc-extras-toggle { display: none; }
  .calc-extras-label { display: block; }
  .field--extras .calc-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    max-height: none;
    overflow: visible;
    margin-top: 8px;
  }
  .calc-option__box {
    display: grid;
    grid-template-columns: 16px 1fr;
    gap: 4px 8px;
    align-items: start;
    padding: 10px;
    min-height: 100%;
  }
  .calc-option__check {
    width: 16px;
    height: 16px;
    margin-top: 1px;
  }
  .calc-option__check::after {
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
  }
  .calc-option__label {
    font-size: 0.72rem;
    line-height: 1.25;
    grid-column: 2;
  }
  .calc-option__price {
    font-size: 0.68rem;
    grid-column: 2;
  }

  .lead-form input { padding: 12px 14px; font-size: 16px; }
  .lead-form .btn-primary { padding: 14px; font-size: 0.85rem; }

  .price-card__body > p { min-height: 0; }
  .services__cta { margin-top: 24px; }
  .services__cta .btn { width: 100%; }

  .payment { padding: 36px 0; }
  .payment__grid { gap: 12px; }
  .payment-card { padding: 18px; }
  .payment-card h3 { font-size: 1.05rem; }
  .payment-card p { font-size: 0.8rem; }

  /* Отзывы — ровно под ширину экрана */
  .reviews-slider-wrap {
    max-width: 100%;
    margin-bottom: 36px;
    padding: 0;
  }
  .reviews-slider {
    gap: 12px;
    padding: 4px 2px 8px;
  }
  .review-card {
    flex: 0 0 calc(100% - 28px);
    width: calc(100% - 28px);
    max-width: calc(100vw - 40px);
    padding: 16px;
    border-radius: 14px;
  }
  .review-card__header { gap: 10px; margin-bottom: 10px; }
  .review-card__avatar { width: 40px; height: 40px; font-size: 0.95rem; }
  .review-card__name { font-size: 0.85rem; }
  .review-card__stars { font-size: 0.75rem; }
  .review-card__text { font-size: 0.8rem; line-height: 1.5; }

  /* Футер — компактный, не отвлекает */
  .footer {
    padding: 28px 0 18px;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer__logo {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }
  .footer p {
    font-size: 0.75rem;
    line-height: 1.5;
    margin-bottom: 2px;
  }
  .footer h4 {
    font-size: 0.75rem;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
  }
  .footer__schedule li {
    font-size: 0.75rem;
    padding: 6px 0;
  }
  .footer__phone {
    font-size: 1.1rem;
    margin-bottom: 10px;
  }
  .footer__messengers {
    gap: 8px;
  }
  .footer__messengers a {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  .footer__messengers .messenger-logo {
    width: 18px;
    height: 18px;
  }
  .footer__bottom {
    margin-top: 20px;
    padding-top: 14px;
    font-size: 0.7rem;
  }
  .footer__bottom p { margin-bottom: 6px; }

  .faq-item__btn { padding: 14px 16px; font-size: 0.9rem; }
  .faq-item__content p { padding: 0 16px 14px; font-size: 0.8rem; }

  .mobile-nav { padding-top: calc(var(--top-offset) + 16px); }

  .top-ticker__group span { font-size: 0.65rem; padding: 0 20px; }
  .top-ticker__group span::before { margin-right: 20px; }
}

@media (max-width: 480px) {
  .trust-item { padding: 10px 6px; }
  .logo__name { font-size: 0.92rem; }
  .header__phone { font-size: 0.72rem; }
  .header__callback { font-size: 0.6rem; }
  .header__actions { gap: 6px; }
  .messenger-btn { width: 30px; height: 30px; }
  .messenger-logo { width: 30px; height: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .top-ticker__track { animation: none !important; }
  html { scroll-behavior: auto; }
}