:root {
  --paper: #f5f7fb;
  --white: #ffffff;
  --ink: #171a1a;
  --muted: #626a6a;
  --soft: #eef1ec;
  --line: rgba(23, 26, 26, 0.11);
  --accent: #0b66c3;
  --accent-dark: #084f9a;
  --green: #6f8547;
  --dark: #071a33;
  --radius: 8px;
  --shadow: 0 20px 54px rgba(23, 26, 26, 0.07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: fixed;
  z-index: 60;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 32px));
  min-height: 64px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 38px rgba(23, 26, 26, 0.07);
  transition: background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(23, 26, 26, 0.08);
  box-shadow: 0 12px 30px rgba(23, 26, 26, 0.1);
}
.brand {
  display: block;
  width: 156px;
  height: 42px;
  overflow: hidden;
}
.brand img { width: 100%; height: 100%; object-fit: contain; }
.main-nav {
  display: flex;
  justify-content: center;
  gap: 4px;
  color: rgba(23, 26, 26, .72);
  font-size: 14px;
  font-weight: 700;
}
.main-nav a {
  padding: 10px 13px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
.main-nav a:hover { color: var(--ink); background: rgba(23, 26, 26, .05); }
.btn, .header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:hover, .header-cta:hover { transform: translateY(-1px); }
.btn-primary, .header-cta { color: #fff; background: var(--accent); }
.btn-primary:hover, .header-cta:hover { background: var(--accent-dark); }
.btn-secondary { color: #fff; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.12); }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; border-radius: 999px; background: currentColor; transition: transform .25s ease; }
.menu-toggle b { display: none !important; }
.menu-open .menu-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

h1, h2, h3, p, figure { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
}
h3 { margin-bottom: 10px; font-size: clamp(21px, 1.8vw, 28px); line-height: 1.14; letter-spacing: 0; }
p { line-height: 1.62; }
.label, .kicker {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hero-clean, .page-hero {
  position: relative;
  min-height: 74svh;
  display: grid;
  align-items: end;
  padding: 126px 0 30px;
  overflow: hidden;
  isolation: isolate;
}
.page-hero { min-height: 58svh; }
.hero-clean > img, .page-hero > img {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.96) contrast(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(13, 15, 14, .48), rgba(13, 15, 14, .18) 55%, rgba(13,15,14,.05)),
    linear-gradient(0deg, rgba(13,15,14,.44), transparent 58%);
}
.hero-content, .page-hero .container { color: #fff; }
.hero-content p, .page-hero p {
  max-width: 650px;
  color: rgba(255,255,255,.84);
  font-size: 19px;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-dock {
  width: min(1160px, calc(100% - 48px));
  margin: 34px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
}
.hero-dock div { min-height: 82px; padding: 18px 20px; border-right: 1px solid rgba(255,255,255,.16); }
.hero-dock div:last-child { border-right: 0; }
.hero-dock b { display: block; margin-bottom: 6px; color: #fff; font-size: 22px; line-height: 1; }
.hero-dock span { color: rgba(255,255,255,.76); font-size: 13px; line-height: 1.45; }

.section-dark, .content-section, .catalog-section, .applications-section, .projects-section, .contacts-section,
.section-white, .section-ink {
  padding: 84px 0;
}
.section-dark, .content-section, .catalog-section, .applications-section, .projects-section, .contacts-section { background: var(--paper); }
.section-white { background: #fff; }
.section-ink { color: #fff; background: var(--dark); }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 30px;
}
.section-head p { max-width: 540px; color: var(--muted); margin-bottom: 0; font-size: 17px; }
.section-head a { color: var(--accent); font-weight: 800; }
.intro-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.company-lead {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
}
.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.fact-grid div {
  min-height: 116px;
  display: flex;
  align-items: end;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.fact-grid b {
  max-width: 220px;
  font-size: 17px;
  line-height: 1.25;
}
.large-text { color: var(--muted); font-size: clamp(19px, 1.7vw, 23px); line-height: 1.5; }

.product-feature {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 30px;
}
.product-feature-text {
  display: block;
  max-width: 1180px;
  margin: 0 auto;
}
.product-feature-media {
  min-height: 500px;
  overflow: hidden;
  border-radius: 6px;
  background: #ddd;
}
.product-feature-media img { width: 100%; height: 100%; object-fit: cover; }
.product-feature-copy {
  display: grid;
  align-content: center;
  padding: clamp(30px, 4.4vw, 58px);
  background: #fff;
}
.product-feature-text .product-feature-copy {
  max-width: 100%;
  padding: clamp(34px, 5vw, 64px);
}
.product-feature-copy p { color: var(--muted); font-size: 17px; }
.product-list {
  display: grid;
  margin-top: 36px;
  border-top: 1px solid var(--line);
}
.product-list a {
  display: grid;
  grid-template-columns: 68px minmax(260px, .9fr) minmax(360px, 1.25fr);
  gap: clamp(32px, 5vw, 78px);
  align-items: center;
  min-height: 118px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.product-list b { color: var(--ink); font-size: 18px; line-height: 1.18; }
.product-list span:first-child { color: var(--accent); font-weight: 800; }
.product-list span:last-child { color: var(--muted); font-size: 15px; font-weight: 700; line-height: 1.35; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.product-card {
  height: 390px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 14px 36px rgba(23,26,26,.06);
}
.product-card-inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: end;
  padding: 24px;
  color: #fff;
  isolation: isolate;
}
.product-card img {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.product-card-inner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(180deg, rgba(0,0,0,.08) 10%, rgba(0,0,0,.5));
}
.product-card:hover img { transform: scale(1.03); }
.product-card div { max-width: 500px; }
.product-card p { color: rgba(255,255,255,.78); font-size: 15px; }
.product-card span { display: inline-flex; color: rgba(255,255,255,.9); font-size: 13px; font-weight: 700; }
.product-card em {
  display: inline-flex;
  width: fit-content;
  margin-top: 14px;
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}
.compact-catalog { margin-bottom: 28px; }

.split-grid, .tech-grid, .detail-grid, .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-simple img, .detail-photo {
  width: 100%;
  height: min(54vw, 560px);
  min-height: 380px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.simple-list {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.simple-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.use-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--dark);
  color: #fff;
  isolation: isolate;
}
.use-card:first-child { grid-column: span 2; }
.use-card img {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.use-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(180deg, rgba(0,0,0,.05) 20%, rgba(0,0,0,.52));
}
.use-card:hover img { transform: scale(1.03); }
.use-card div { position: absolute; left: 22px; right: 22px; bottom: 20px; }
.use-card p { color: rgba(255,255,255,.78); margin-bottom: 0; font-size: 15px; }
.use-card .card-cta {
  display: inline-flex;
  width: fit-content;
  margin-top: 16px;
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.process-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.process-steps {
  display: grid;
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.process-steps div {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.process-steps span { color: var(--accent); font-weight: 800; }
.process-steps p { color: rgba(255,255,255,.72); margin-bottom: 0; }
.process-photo {
  min-height: 480px;
  overflow: hidden;
  border-radius: var(--radius);
}
.process-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.layer-diagram { display: grid; gap: 10px; }
.layer-diagram div {
  min-height: 52px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px;
  color: #fff;
  background: rgba(255,255,255,.08);
  font-weight: 700;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.proof-strip div {
  min-height: 160px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.proof-strip b { display: block; margin-bottom: 36px; color: var(--ink); font-size: 16px; }
.proof-strip span { color: var(--muted); line-height: 1.5; }

.gallery-preview, .project-grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr .9fr;
  grid-auto-rows: 300px;
  gap: 12px;
  padding: 84px max(24px, calc((100vw - 1160px) / 2));
  background: #fff;
}
.gallery-preview img, .project-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}
.gallery-preview img:first-child, .project-grid figure:nth-child(1), .project-grid figure:nth-child(6) { grid-row: span 2; }
.project-grid { padding: 0; background: transparent; }
.project-grid figure { margin: 0; overflow: hidden; border-radius: var(--radius); background: #ddd; }

.real-project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 306px;
  gap: 20px;
}
.real-project-card {
  position: relative;
  grid-column: span 1;
  grid-row: span 1;
  overflow: hidden;
  border-radius: 10px;
  background: #eef1ed;
  border: 1px solid rgba(20, 24, 24, .08);
  box-shadow: 0 18px 42px rgba(23,26,26,.08);
  isolation: isolate;
}
.real-project-card.is-large,
.real-project-card.is-wide,
.real-project-card.is-tall {
  grid-column: span 1;
  grid-row: span 1;
}
.real-project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease, filter .45s ease;
}
.real-project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,.04) 0%, rgba(0,0,0,.08) 42%, rgba(0,0,0,.62) 100%);
  pointer-events: none;
}
.real-project-card:hover img {
  transform: scale(1.035);
  filter: saturate(1.04) contrast(1.02);
}
.real-project-card div {
  position: absolute;
  z-index: 2;
  left: 20px;
  right: 20px;
  bottom: 18px;
  color: #fff;
}
.real-project-card span {
  display: block;
  margin-bottom: 7px;
  color: rgba(255,255,255,.74);
  font-size: 13px;
  font-weight: 700;
}
.real-project-card h3 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(20px, 1.75vw, 26px);
  line-height: 1.12;
}
.projects-preview-section { padding-top: 72px; }
.preview-project-grid { margin-bottom: 28px; }
.center-actions { justify-content: center; }

.trust-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: clamp(42px, 7vw, 92px);
  align-items: start;
}
.trust-layout p {
  max-width: 560px;
  color: rgba(255,255,255,.72);
  font-size: 17px;
}
.trust-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.trust-list div {
  min-height: 140px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  background: rgba(255,255,255,.07);
}
.trust-list span {
  display: block;
  margin-bottom: 34px;
  color: #7db8ff;
  font-size: 13px;
  font-weight: 900;
}
.trust-list b {
  color: #fff;
  font-size: 18px;
  line-height: 1.28;
}

.technology-section {
  padding-top: 78px;
  padding-bottom: 78px;
}
.track-technology-section {
  padding-top: 72px;
  padding-bottom: 72px;
}
.technology-card {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: clamp(34px, 5vw, 72px);
  align-items: start;
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.technology-card .large-text {
  max-width: 680px;
  margin-bottom: 0;
}
.technology-points {
  display: grid;
  gap: 10px;
}
.technology-points div {
  min-height: 62px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.request-section { padding: 72px 0; background: var(--paper); }
.request-panel, .lead-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 34px;
  align-items: end;
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius);
  color: #fff;
  background: var(--dark);
}
.request-panel p { max-width: 650px; color: rgba(255,255,255,.74); }
.lead-panel {
  grid-template-columns: .9fr 1.1fr;
  align-items: stretch;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(11,102,195,.2), transparent 42%),
    var(--dark);
}
.lead-copy {
  display: grid;
  align-content: center;
}
.lead-copy p {
  max-width: 560px;
  color: rgba(255,255,255,.74);
  font-size: 17px;
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.contact-actions a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  color: #fff;
  font-weight: 900;
}
.compact-form {
  box-shadow: none;
  background: rgba(255,255,255,.96);
}

.benefit-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.benefit-box p {
  margin: 0;
  min-height: 128px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

.certificates-section { padding-top: 60px; }
.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.certificate-card {
  display: grid;
  gap: 12px;
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 14px 34px rgba(23,26,26,.06);
}
.certificate-card span {
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  color: #fff;
  background: var(--accent);
  font-size: 12px;
  font-weight: 900;
}
.certificate-card h3 {
  max-width: 420px;
  margin: 0;
}
.certificate-card p {
  color: var(--muted);
}
.certificate-card a {
  align-self: end;
  width: fit-content;
  color: var(--ink);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.applications-section .container { display: grid; gap: 32px; }
.application-row {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 42px;
  align-items: center;
  padding: 0 0 32px;
  border-bottom: 1px solid var(--line);
}
.application-row:nth-child(even) { grid-template-columns: 1.1fr .9fr; }
.application-row:nth-child(even) img { order: 2; }
.application-row img { width: 100%; height: 380px; object-fit: cover; border-radius: var(--radius); }
.application-row p { color: var(--muted); font-size: 17px; }
.application-row a { color: var(--accent); font-weight: 800; }

.contact-form, .contact-panel {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.contact-form label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fafaf8;
  color: var(--ink);
  outline: none;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--accent); background: #fff; }
.contact-panel a:not(.btn) { font-size: 22px; font-weight: 800; }
.office-card {
  display: grid;
  gap: 8px;
  margin: 6px 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}
.office-card span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.office-card b {
  color: var(--ink);
  font-size: 18px;
}
.office-card p {
  max-width: 46ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}
.office-card a:not(.btn) {
  width: fit-content;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer { padding: 58px 0 28px; background: var(--dark); color: rgba(255,255,255,.68); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 42px; }
.footer-brand { margin-bottom: 18px; }
.site-footer p { max-width: 440px; }
.site-footer nav, .site-footer address { display: grid; gap: 12px; font-style: normal; }
.copyright { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }

.mobile-whatsapp {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 70;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  color: #fff;
  background: #1f9f58;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 14px 34px rgba(0,0,0,.18);
}

.thank-you-section {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 128px 0 72px;
  background: #fff;
}
.thank-you-card {
  max-width: 780px;
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.thank-you-card p {
  max-width: 560px;
  color: var(--muted);
  font-size: 19px;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .45s ease, transform .45s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: auto auto; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav, .header-cta { display: none; }
  .menu-open .main-nav {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,.98);
    box-shadow: 0 20px 50px rgba(23,26,26,.1);
  }
  .menu-open .main-nav a { padding: 14px 12px; border-radius: 6px; }
  .menu-open .header-cta { position: fixed; top: 324px; left: 30px; right: 30px; display: flex; }
  .hero-dock, .intro-grid, .company-lead, .trust-layout, .product-feature, .split-grid, .tech-grid, .detail-grid, .contact-grid, .process-grid, .lead-panel, .technology-card,
  .application-row, .application-row:nth-child(even) { grid-template-columns: 1fr; }
  .application-row:nth-child(even) img { order: 0; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-card { height: 340px; }
  .use-grid { grid-template-columns: 1fr 1fr; }
  .use-card:first-child { grid-column: span 1; }
  .gallery-preview, .project-grid { grid-template-columns: 1fr 1fr; }
  .real-project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 280px; }
  .real-project-card, .real-project-card.is-large, .real-project-card.is-wide, .real-project-card.is-tall { grid-column: span 1; grid-row: span 1; }
  .certificate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .fact-grid, .trust-list { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), 1160px); }
  .site-header { top: 10px; width: calc(100% - 20px); min-height: 58px; padding: 8px 10px; }
  .brand { width: 126px; height: 38px; }
  .menu-toggle { display: flex !important; align-items: center; justify-content: center; flex-direction: column; width: 42px; height: 42px; }
  .menu-toggle b { display: none !important; }
  .menu-toggle span { margin: 3px auto; }
  h1 { font-size: 34px; line-height: 1.05; }
  h2 { font-size: 28px; line-height: 1.12; }
  h3 { font-size: 21px; }
  .hero-clean { min-height: 620px; padding: 118px 0 28px; }
  .page-hero { min-height: 440px; padding: 108px 0 28px; }
  .hero-content p, .page-hero p { font-size: 16px; }
  .actions { display: grid; margin-top: 22px; }
  .btn { width: 100%; min-height: 44px; }
  .hero-dock { width: calc(100% - 28px); margin-top: 30px; grid-template-columns: 1fr; }
  .hero-dock div { min-height: auto; padding: 16px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .hero-dock div:last-child { border-bottom: 0; }
  .section-dark, .content-section, .catalog-section, .applications-section, .projects-section, .contacts-section, .section-white, .section-ink,
  .request-section { padding: 58px 0; }
  .large-text { font-size: 18px; line-height: 1.5; }
  .section-head { display: block; margin-bottom: 24px; }
  .section-head p { font-size: 16px; }
  .product-feature { padding: 18px; }
  .product-feature-media, .process-photo { min-height: 300px; }
  .product-feature-copy { padding: 22px 12px; }
  .product-list a { grid-template-columns: 40px 1fr; min-height: 66px; gap: 14px; }
  .product-list span:last-child { display: none; }
  .catalog-grid, .use-grid, .gallery-preview, .project-grid, .proof-strip, .benefit-box, .certificate-grid, .fact-grid, .trust-list { grid-template-columns: 1fr; }
  .real-project-grid { grid-template-columns: 1fr; grid-auto-rows: 290px; gap: 14px; }
  .product-card { height: 320px; }
  .use-card { min-height: 260px; }
  .gallery-preview { grid-auto-rows: 230px; padding: 62px 14px; }
  .gallery-preview img:first-child, .project-grid figure:nth-child(1), .project-grid figure:nth-child(6) { grid-row: span 1; }
  .real-project-card div { left: 16px; right: 16px; bottom: 15px; }
  .real-project-card h3 { font-size: 21px; }
  .split-simple img, .detail-photo { height: 300px; min-height: 300px; }
  .application-row { gap: 20px; padding-bottom: 26px; }
  .application-row img { height: 240px; }
  .request-panel, .lead-panel { grid-template-columns: 1fr; padding: 24px; }
  .contact-actions { display: grid; }
  .contact-actions a { justify-content: center; }
  .fact-grid div, .trust-list div { min-height: auto; }
  .trust-list span { margin-bottom: 20px; }
  .contact-form, .contact-panel { padding: 22px; }
  .contact-panel a:not(.btn) { font-size: 18px; }
  .office-card { padding: 16px; border-radius: 14px; }
  .office-card a:not(.btn) { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr; }
  .mobile-whatsapp { display: inline-flex; }
}