/* ============================================
   NOMAD BETON — Premium Landing
   ============================================ */

:root {
  --color-bg: #faf9f7;
  --color-bg-2: #f3f1ed;
  --color-bg-3: #ebe8e2;
  --color-surface: #ffffff;
  --color-border: #e4e0d8;
  --color-border-light: #eeebe5;
  --color-text: #1c1c22;
  --color-text-muted: #71717a;
  --color-dark: #1a2332;
  --color-accent: #e85d04;
  --color-accent-dark: #d45103;
  --color-accent-light: #f48c06;
  --color-accent-glow: rgba(232, 93, 4, 0.14);
  --color-accent-soft: rgba(232, 93, 4, 0.08);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --radius: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 84px;
  --shadow-sm: 0 1px 3px rgba(28, 28, 34, 0.04), 0 4px 12px rgba(28, 28, 34, 0.04);
  --shadow-md: 0 4px 20px rgba(28, 28, 34, 0.06), 0 12px 40px rgba(28, 28, 34, 0.06);
  --shadow-lg: 0 8px 40px rgba(28, 28, 34, 0.1), 0 24px 60px rgba(28, 28, 34, 0.08);
  --shadow-accent: 0 8px 32px rgba(232, 93, 4, 0.25);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

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

/* ---- Preloader ---- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s, visibility 0.7s;
}

.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader__inner { text-align: center; }

.preloader__logo-img {
  width: 200px;
  height: auto;
  margin: 0 auto 28px;
  display: block;
  border-radius: 16px;
  animation: preloaderPulse 1.2s ease infinite;
}

@keyframes preloaderPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.92; }
}

.preloader__bar {
  width: 180px;
  height: 3px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 auto;
}

.preloader__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: 3px;
  animation: preloaderFill 1.4s ease forwards;
}

@keyframes preloaderFill { to { width: 100%; } }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 1px 0 var(--color-border-light);
}

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

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform var(--transition), opacity var(--transition);
}

.logo:hover {
  transform: scale(1.02);
  opacity: 0.92;
}

.logo__img {
  height: 52px;
  width: auto;
  display: block;
  border-radius: 10px;
}

.header .logo__img {
  height: 48px;
}

.logo--footer .logo__img {
  height: 72px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active { color: var(--color-text); }

.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

.nav__link--cta {
  background: var(--color-text);
  color: #fff !important;
  padding: 11px 26px;
  border-radius: 100px;
  font-weight: 600;
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.header__phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.header__phone:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.header__phone-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: 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); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(26, 35, 50, 0.35);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(232, 93, 4, 0.35);
}

.btn--outline {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--white {
  background: #fff;
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn--full { width: 100%; }

.btn--wa {
  background: linear-gradient(135deg, #25D366, #1ebe57);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn--wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

.contact__detail-icon--wa {
  background: rgba(37, 211, 102, 0.12) !important;
  color: #1ebe57 !important;
}

.nav__link--wa {
  background: #25D366 !important;
  color: #fff !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  line-height: 1;
}

.nav__link--wa svg {
  display: block;
  flex-shrink: 0;
}

.nav__link--wa:hover {
  background: #1ebe57 !important;
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 48px) 0 100px;
  overflow: hidden;
}

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

.hero__noise {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-light) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, black 20%, transparent 75%);
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero__blob--1 {
  width: 500px;
  height: 500px;
  background: rgba(232, 93, 4, 0.1);
  top: -10%;
  right: 10%;
}

.hero__blob--2 {
  width: 400px;
  height: 400px;
  background: rgba(26, 35, 50, 0.04);
  bottom: 10%;
  left: -5%;
}

.hero__diagonal {
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, transparent 30%, var(--color-bg-2) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
}

.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulseDot 2s ease infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero__title {
  font-family: var(--font-display);
  line-height: 0.92;
  margin-bottom: 28px;
}

.hero__title-line {
  display: block;
  font-size: clamp(3.2rem, 6.5vw, 5.8rem);
  letter-spacing: 0.01em;
}

.hero__title-line--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 1.08rem;
  color: var(--color-text-muted);
  max-width: 460px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.hero__trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 7px 14px;
  border-radius: 100px;
}

.hero__trust-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero__stats {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 20px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero__stat { text-align: center; padding: 0 24px; }

.hero__stat:first-child { padding-left: 0; }
.hero__stat:last-child { padding-right: 0; }

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.hero__stat-num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  display: block;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__frame {
  position: relative;
  width: 100%;
  max-width: 460px;
}

.hero__frame-corner {
  position: absolute;
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-accent);
  z-index: 2;
}

.hero__frame-corner--tl {
  top: -12px;
  left: -12px;
  border-right: none;
  border-bottom: none;
}

.hero__frame-corner--br {
  bottom: -12px;
  right: -12px;
  border-left: none;
  border-top: none;
}

.hero__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-2);
}

.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 55%,
    rgba(28, 28, 34, 0.12) 100%
  );
  pointer-events: none;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.hero__float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  animation: floatCard 5s ease-in-out infinite;
  z-index: 3;
}

.hero__float-card--1 { top: 12%; left: -32px; }
.hero__float-card--2 { bottom: 18%; right: -24px; animation-delay: 2.5s; }

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero__float-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero__float-icon--dark {
  background: var(--color-dark);
  color: #fff;
}

.hero__float-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.hero__float-value {
  font-weight: 700;
  font-size: 0.95rem;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero__scroll-icon {
  width: 24px;
  height: 38px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-icon::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 0.3; }
}

/* ---- Marquee ---- */
.marquee {
  background: var(--color-dark);
  color: #fff;
  padding: 16px 0;
  overflow: hidden;
  border-top: 3px solid var(--color-accent);
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 40px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.marquee__track span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.marquee__dot {
  color: var(--color-accent) !important;
  font-size: 0.6rem !important;
}

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

/* ---- Sections ---- */
.section {
  padding: 110px 0;
  position: relative;
}

.section__header { margin-bottom: 64px; }

.section__header--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
}

.section__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.section__tag-num {
  color: var(--color-text-muted);
  font-weight: 600;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  letter-spacing: 0.01em;
  line-height: 1.05;
}

.section__desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-top: 16px;
  line-height: 1.7;
}

.section__desc--right {
  margin-top: 0;
  max-width: 400px;
  justify-self: end;
  text-align: right;
}

/* ---- About ---- */
.about { background: var(--color-bg-2); }

.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: center;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: 18px;
  font-size: 1.02rem;
  line-height: 1.8;
}

.about__text strong { color: var(--color-text); }

.about__features {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about__feature {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left var(--transition);
}

.about__feature:hover { padding-left: 8px; }

.about__feature:last-child { border-bottom: none; }

.about__feature-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
  width: 32px;
}

.about__feature h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.about__feature p {
  font-size: 0.88rem !important;
  margin-bottom: 0 !important;
  line-height: 1.5 !important;
}

.about__image-wrap { position: relative; }

.about__image {
  width: 100%;
  aspect-ratio: 812 / 650;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  background: var(--color-bg-2);
}

.about__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.about__experience {
  position: absolute;
  bottom: -24px;
  left: -24px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-accent);
}

.about__exp-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  display: block;
  line-height: 1;
}

.about__exp-text {
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.35;
  opacity: 0.9;
}

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

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-card__visual {
  position: relative;
  height: 216px;
  overflow: hidden;
  background: #ffffff;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card__img {
  transform: scale(1.03);
}

.product-card__overlay {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  padding: 10px 14px;
  border-radius: 10px;
  border-left: 3px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.product-card__overlay-type {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.product-card__overlay-grade {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-text);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.product-card__overlay-grade em {
  font-style: normal;
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  margin-left: 4px;
}

.product-card__body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover {
  border-color: rgba(232, 93, 4, 0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card:hover::after { opacity: 1; }

.product-card:hover .product-card__order { color: var(--color-accent); }

.product-card--featured {
  background: linear-gradient(145deg, var(--color-surface) 0%, #fff9f5 100%);
  border-color: rgba(232, 93, 4, 0.25);
}

.product-card--premium {
  border-color: var(--color-dark);
  background: linear-gradient(145deg, var(--color-dark), #243044);
  color: #fff;
}

.product-card--premium .product-card__grade { color: #fff; }
.product-card--premium .product-card__class {
  background: rgba(244, 140, 6, 0.2);
  color: var(--color-accent-light);
}
.product-card--premium .product-card__desc,
.product-card--premium .product-card__strength,
.product-card--premium .product-card__index { color: rgba(255,255,255,0.5); }
.product-card--premium .product-card__bar { background: rgba(255,255,255,0.15); }
.product-card--premium .product-card__order { color: var(--color-accent-light); }

.product-card--premium .product-card__overlay {
  background: rgba(26, 35, 50, 0.88);
  border-left-color: var(--color-accent-light);
}

.product-card--premium .product-card__overlay-type {
  color: rgba(255, 255, 255, 0.55);
}

.product-card--premium .product-card__overlay-grade {
  color: #fff;
}

.product-card--premium .product-card__overlay-grade em {
  color: var(--color-accent-light);
}

.product-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 100px;
  z-index: 3;
}

.product-card--premium .product-card__badge {
  background: var(--color-accent-light);
  color: var(--color-dark);
}

.product-card__index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-border);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
  position: relative;
  z-index: 1;
}

.product-card__top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.product-card__grade {
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
}

.product-card__class {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 4px 10px;
  border-radius: 6px;
}

.product-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 2.6em;
}

.product-card__bar {
  height: 5px;
  background: var(--color-bg-2);
  border-radius: 5px;
  margin-bottom: 14px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.product-card__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: 5px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card__fill.animated { width: var(--fill-width); }

.product-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 4px;
}

.product-card__strength {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.product-card__order {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.products__cta {
  margin-top: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 48px;
  background: var(--color-dark);
  border-radius: var(--radius-xl);
  color: #fff;
}

.products__cta h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.products__cta p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
}

/* ---- Process ---- */
.process { background: var(--color-bg-2); }

.process__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.process__step {
  padding: 40px 32px;
  position: relative;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin: 0 10px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.process__step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 93, 4, 0.2);
}

.process__step-num {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.9;
}

.process__step-line {
  position: absolute;
  top: 72px;
  right: -20px;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-border));
  z-index: 1;
}

.process__step:last-child .process__step-line { display: none; }

.process__step-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process__step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 280px;
  margin: 0 auto;
}

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

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 4px 30px var(--color-accent-glow);
}

.service-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 0;
}

.service-card__label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.service-card__reach {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-accent);
  line-height: 1;
}

.service-card__reach span { font-size: 1rem; }

.service-card__visual {
  position: relative;
  height: 200px;
  margin: 0 0 4px;
  background: #ffffff;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-light);
}

.service-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 12px 16px;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card__img {
  transform: scale(1.03);
}

.service-card__body { padding: 8px 28px 32px; }

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.service-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.service-card__spec {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}

.service-card__spec-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}

.service-card__spec-label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
  display: block;
}

.service-card__price {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
  padding: 14px 16px;
  background: var(--color-accent-soft);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-accent);
}

.service-card__price-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.service-card__price-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
  line-height: 1.2;
}

.service-card__price-value span {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.service-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.service-card__link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-card__link:hover { gap: 8px; }

/* ---- Advantages ---- */
.advantages { background: var(--color-bg-2); }

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.advantage-card {
  padding: 32px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advantage-card:hover::before { transform: scaleX(1); }

.advantage-card__icon {
  width: 52px;
  height: 52px;
  background: var(--color-accent-soft);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.advantage-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.advantage-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- CTA Banner ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-banner__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-banner__text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.cta-banner__text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
}

.cta-banner__actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
}

/* ---- Contact ---- */
.contact {
  background: var(--color-bg-2);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.contact__order-btn {
  margin-bottom: 32px;
}

.contact__card {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.contact__card-inner {
  background: linear-gradient(145deg, var(--color-dark), #243044);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}

.contact__card-inner h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.contact__card-inner > p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
  margin-bottom: 24px;
}

.contact__card-list {
  list-style: none;
  margin-bottom: 28px;
}

.contact__card-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
}

.contact__card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent-light);
  border-radius: 50%;
}

.contact__desc {
  color: var(--color-text-muted);
  margin: 16px 0 36px;
  line-height: 1.75;
  font-size: 1.02rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

a.contact__detail:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact__detail-label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact__detail-value {
  font-weight: 700;
  font-size: 0.95rem;
}

.modal__content--form {
  max-width: 520px;
  width: 92%;
  padding: 36px 32px 32px;
  text-align: left;
  max-height: 90vh;
  overflow-y: auto;
}

.modal__form-header {
  margin-bottom: 24px;
  padding-right: 32px;
}

.modal__form-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.modal__form-header p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.modal__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal__form .form__note {
  margin-top: 4px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form__group--full { grid-column: 1 / -1; }

.form__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.form__input {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  transition: all var(--transition);
  outline: none;
}

.form__input:focus {
  border-color: var(--color-accent);
  background: var(--color-surface);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.form__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.45;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form__textarea {
  resize: vertical;
  min-height: 88px;
}

.form__note {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-dark);
  color: #fff;
  padding-top: 72px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
}

.footer__tagline {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.92rem;
  margin-top: 14px;
}

.footer__domain {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--color-accent-light);
  font-weight: 600;
}

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

.footer__col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 18px;
}

.footer__col a,
.footer__col span {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  padding: 5px 0;
  transition: color var(--transition);
}

.footer__col a:hover { color: var(--color-accent-light); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer__bottom a { color: var(--color-accent-light); }

.footer__credit {
  text-align: center;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.28);
  padding: 0 28px 18px;
}

.footer__credit a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

.footer__credit a:hover {
  color: var(--color-accent-light);
}

/* ---- Modal ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.active { opacity: 1; visibility: visible; }

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 35, 50, 0.5);
  backdrop-filter: blur(6px);
}

.modal__content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 52px 48px;
  text-align: center;
  max-width: 440px;
  width: 90%;
  transform: scale(0.92) translateY(10px);
  transition: transform var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal.active .modal__content {
  transform: scale(1) translateY(0);
}

.modal__close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  background: var(--color-bg);
  border: none;
  border-radius: 50%;
  color: var(--color-text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.modal__close:hover { background: var(--color-bg-3); }

.modal__icon {
  width: 72px;
  height: 72px;
  background: var(--color-accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin: 0 auto 20px;
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.modal__text {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.modal__content--promo {
  text-align: left;
  max-width: 460px;
  padding: 40px 36px 36px;
}

.promo-modal__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.promo-modal__title {
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
}

.promo-modal__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.promo-modal__perks {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.promo-modal__perks li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.promo-modal__perks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.promo-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.promo-modal__later {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition);
}

.promo-modal__later:hover {
  color: var(--color-text);
}

/* ---- Animations ---- */
.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  transition-delay: calc(var(--delay, 0) * 0.1s);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Scroll progress ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  z-index: 10001;
  transition: width 0.1s linear;
}

/* ---- Trust strip ---- */
.trust-strip {
  padding: 36px 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

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

.trust-strip__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.trust-strip__icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.trust-strip__item strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.trust-strip__item span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ---- Section watermark ---- */
.section__watermark {
  position: absolute;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(8rem, 18vw, 14rem);
  color: var(--color-border-light);
  opacity: 0.6;
  pointer-events: none;
  user-select: none;
  line-height: 1;
  letter-spacing: 0.05em;
}

.about { position: relative; overflow: hidden; }

/* ---- FAQ ---- */
.faq { background: var(--color-bg); }

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq__item.active {
  border-color: rgba(232, 93, 4, 0.3);
  box-shadow: var(--shadow-sm);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq__question:hover { color: var(--color-accent); }

.faq__icon {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition);
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq__item.active .faq__answer {
  max-height: 200px;
}

.faq__answer p {
  padding: 0 26px 22px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq__answer strong { color: var(--color-text); }

/* ---- Floating buttons ---- */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fab__btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.fab__btn--top {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.fab__btn--top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fab__btn--top:hover {
  background: var(--color-text);
  color: #fff;
  transform: translateY(-3px);
}

.fab__btn--phone {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  animation: fabPulse 2.5s ease infinite;
}

.fab__btn--phone:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-accent);
}

.fab__btn--wa {
  background: linear-gradient(135deg, #25D366, #1ebe57);
  color: #fff;
  animation: fabPulseWa 2.5s ease infinite;
}

.fab__btn--wa:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
}

@keyframes fabPulseWa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3); }
  50%       { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.55); }
}

@keyframes fabPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(232, 93, 4, 0.3); }
  50% { box-shadow: 0 4px 30px rgba(232, 93, 4, 0.5); }
}

/* ---- Mobile tabbar ---- */
.tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 -4px 30px rgba(28, 28, 34, 0.06);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  gap: 10px;
}

.tabbar__btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 8px;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.tabbar__btn span { line-height: 1; }

.tabbar__btn--call {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-text);
  border: 1px solid rgba(228, 224, 216, 0.8);
}

.tabbar__btn--call:active {
  background: rgba(243, 241, 237, 0.85);
}

.tabbar__btn--write {
  background: linear-gradient(135deg, #25D366, #1ebe57);
  color: #fff;
  box-shadow: 0 2px 12px rgba(37, 211, 102, 0.35);
}

.tabbar__btn--write:active {
  transform: scale(0.98);
}

.fab__btn--desktop { display: flex; }

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .nav { gap: 18px; }
  .nav__link { font-size: 0.82rem; }
  .nav__link--cta { padding: 10px 20px; }
}

@media (max-width: 992px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 16px;
    right: 16px;
    z-index: 1001;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav.open {
    transform: translateY(12px);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    padding: 14px 0;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav__link--cta {
    margin-top: 12px;
    border-bottom: none;
  }

  .nav__link--wa {
    width: 100%;
    padding: 14px 26px;
  }

  .header__phone-text { display: none; }
  .header__phone { padding: 10px; border-radius: 50%; }

  .burger { display: flex; }
}

@media (max-width: 1024px) {
  .hero__layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero__desc { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__trust { justify-content: center; }
  .hero__stats { margin: 0 auto; }

  .hero {
    display: block;
    min-height: auto;
    padding-bottom: 60px;
  }

  .hero__scroll {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin: 32px auto 0;
    width: max-content;
  }

  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); }

  .hero__float-card--1 { left: 0; }
  .hero__float-card--2 { right: 0; }

  .section__header--split {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .section__desc--right {
    text-align: center;
    justify-self: center;
    margin-top: 16px;
  }

  .about__grid { grid-template-columns: 1fr; gap: 48px; }

  .services__grid,
  .process__grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .process__step-line { display: none; }

  .advantages__grid { grid-template-columns: repeat(2, 1fr); }

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

  .products__cta,
  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner__actions { justify-content: center; }

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

@media (max-width: 768px) {
  :root { --header-h: 72px; }

  .container { padding: 0 20px; }

  .header .logo__img { height: 40px; }
  .logo--footer .logo__img { height: 60px; }
  .preloader__logo-img { width: 160px; }

  .hero { padding-bottom: 48px; }

  .hero__scroll { margin-top: 24px; }

  .hero__title-line { font-size: clamp(2.6rem, 11vw, 3.6rem); }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .hero__stat { padding: 0; }
  .hero__stat-divider { width: 60px; height: 1px; }

  .products__grid { grid-template-columns: 1fr; gap: 16px; }

  .product-card__visual { height: 192px; }

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

  .footer__links { grid-template-columns: 1fr; gap: 28px; }

  .footer__bottom-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .section { padding: 80px 0; }

  .trust-strip__grid { grid-template-columns: 1fr; }

  .section__watermark { display: none; }

  .tabbar { display: flex; }

  .fab { bottom: 88px; right: 16px; }
  .fab__btn--desktop { display: none; }

  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

  .contact__card { position: static; }
}