:root {
  --ink: #101114;
  --muted: #666b73;
  --line: #e6e8eb;
  --soft: #f5f6f7;
  --white: #ffffff;
  --accent: #1e8a79;
  --accent-dark: #14685d;
  --graphite: #25282d;
  --shadow: 0 24px 70px rgba(16, 17, 20, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: var(--white);
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topbar {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 5vw, 80px);
  padding: 10px 20px;
  color: var(--white);
  background: var(--graphite);
  font-size: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(230, 232, 235, 0.75);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--ink);
  border-radius: 50%;
  font-size: 13px;
}

.brand-mark svg {
  width: 30px;
  height: 30px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  text-transform: uppercase;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a::after {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  content: "";
  background: var(--accent);
  transition: width 0.22s ease;
}

.nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 6px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - 118px);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("hero-glass-office.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.04);
  animation: slowZoom 14s ease-in-out infinite alternate;
  transition: opacity 0.6s ease, background-image 0.6s ease;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.22) 55%, rgba(0, 0, 0, 0.08)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.28), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 110px);
  padding: 84px 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero .eyebrow {
  color: #c5fff4;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero p {
  max-width: 560px;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid currentColor;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: var(--white);
  background: var(--accent);
  border-color: var(--accent);
}

.btn.primary:hover {
  background: var(--accent-dark);
}

.btn.ghost {
  color: inherit;
  background: transparent;
}

.section {
  padding: clamp(70px, 9vw, 128px) clamp(18px, 5vw, 72px);
}

.about-company {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.about-company-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.about-copy p {
  color: var(--muted);
  font-size: 18px;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(38px, 6vw, 70px);
  background: var(--line);
  border: 1px solid var(--line);
}

.about-values article {
  min-height: 230px;
  padding: clamp(26px, 4vw, 42px);
  background: var(--soft);
}

.about-values strong {
  display: block;
  margin-bottom: 32px;
  color: var(--accent-dark);
  font-size: 28px;
}

.about-values p {
  color: var(--muted);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.6fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: start;
}

.intro p,
.section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-dark);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
}

.stat-panel {
  display: grid;
  gap: 16px;
}

.stat-panel div {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--soft);
  border-radius: 8px;
}

.stat-panel strong {
  display: block;
  font-size: 30px;
  line-height: 1;
}

.stat-panel span {
  color: var(--muted);
}

.glass-demo {
  background: var(--soft);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.demo-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 28px;
  align-items: stretch;
}

.glass-preview {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: #dfe4e8;
}

.frosted-glass-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.frost-boost {
  display: none;
}

.state-pill {
  position: absolute;
  right: 22px;
  bottom: 22px;
  min-width: 148px;
  padding: 12px 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 6px;
  text-align: center;
  font-weight: 700;
  backdrop-filter: blur(12px);
}

.control-panel {
  display: grid;
  align-content: center;
  gap: 22px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.control-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.control-row span:last-child {
  text-align: right;
}

.control-row strong {
  color: var(--ink);
  font-size: 32px;
}

.privacy-slider {
  width: 100%;
  height: 26px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.privacy-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--accent) 0 var(--slider-progress, 85%), #d9dee2 var(--slider-progress, 85%) 100%);
}

.privacy-slider::-webkit-slider-thumb {
  width: 26px;
  height: 26px;
  margin-top: -9px;
  appearance: none;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 6px 18px rgba(16, 17, 20, 0.24);
}

.privacy-slider::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: #d9dee2;
}

.privacy-slider::-moz-range-progress {
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.privacy-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 6px 18px rgba(16, 17, 20, 0.24);
}

.toggle-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mini-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
}

.mini-button.active {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.features article {
  min-height: 265px;
  padding: clamp(28px, 5vw, 54px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.features article:nth-child(3n) {
  border-right: 0;
}

.features span {
  display: block;
  margin-bottom: 36px;
  color: var(--accent-dark);
  font-size: 28px;
  font-weight: 700;
}

.features p,
.tech-list p {
  color: var(--muted);
}

.tech-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  min-height: 680px;
  background: #191b1f;
  color: var(--white);
}

.project-gallery {
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.gallery-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--soft);
  box-shadow: 0 18px 44px rgba(16, 17, 20, 0.1);
}

.gallery-grid img {
  height: 340px;
}

.gallery-grid figcaption {
  padding: 18px 20px;
  font-weight: 700;
}

.tech-image {
  min-height: 420px;
}

.tech-copy {
  align-self: center;
  padding: clamp(48px, 7vw, 96px);
}

.tech-list {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.tech-list div {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.products-section {
  padding: clamp(70px, 8vw, 110px) 0 clamp(78px, 8vw, 120px);
  overflow: hidden;
  background: #eee4d0;
}

.products-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(18px, 5vw, 72px) 26px;
}

.products-head h2 {
  max-width: 760px;
  margin-bottom: 0;
}

.product-arrows {
  display: flex;
  gap: 10px;
}

.product-arrows button {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: #18120d;
  font-size: 24px;
  cursor: pointer;
}

.products-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(315px, 24vw);
  gap: 18px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 0 clamp(18px, 5vw, 72px) 12px;
  scrollbar-width: thin;
}

.product-card {
  position: relative;
  display: grid;
  align-content: start;
  min-height: 560px;
  padding: 28px 26px;
  overflow: hidden;
  border-radius: 8px;
  color: var(--white);
  background-image:
    linear-gradient(180deg, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0.18) 46%, rgba(0, 0, 0, 0.64)),
    var(--bg);
  background-position: center;
  background-size: cover;
  scroll-snap-align: start;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.product-card p {
  max-width: 93%;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.62);
}

.product-sample {
  position: absolute;
  left: 50%;
  bottom: 86px;
  width: 68%;
  height: 44%;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent 45%),
    var(--sample);
  backdrop-filter: blur(7px) saturate(0.75);
  transform: translateX(-50%);
}

.product-sample.clear {
  backdrop-filter: blur(2px) saturate(1);
}

.product-sample.scratched {
  background:
    repeating-linear-gradient(130deg, rgba(255,255,255,.48) 0 1px, transparent 1px 10px),
    var(--sample);
}

.product-sample.dotted {
  background:
    radial-gradient(circle, rgba(255,255,255,.55) 0 3px, transparent 4px) 0 0 / 18px 18px,
    var(--sample);
}

.product-sample.mirror,
.product-sample.neutral {
  box-shadow: inset 0 0 55px rgba(30, 47, 66, 0.42);
}

.product-sample.broken {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.55) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(-35deg, rgba(255,255,255,.32) 0 1px, transparent 1px 24px),
    var(--sample);
}

.product-sample.color,
.product-sample.amber {
  mix-blend-mode: screen;
}

.product-sample.thermal {
  background:
    linear-gradient(90deg, rgba(180,210,255,.42), rgba(255,255,255,.72), rgba(255,185,120,.35)),
    var(--sample);
}

.product-sample.whiteboard {
  background:
    linear-gradient(#fafafa, #ffffff),
    var(--sample);
}

.product-sample.whiteboard::after {
  position: absolute;
  left: 22%;
  top: 42%;
  width: 56%;
  height: 2px;
  content: "";
  background: #757b82;
  box-shadow: 28px -28px 0 -1px #757b82, -24px 26px 0 -1px #757b82;
  transform: rotate(-12deg);
}

.product-sample.photochromic {
  background:
    linear-gradient(90deg, rgba(255,255,255,.72), rgba(40,70,95,.6)),
    var(--sample);
}

.product-sample.uv {
  background:
    linear-gradient(135deg, rgba(255,255,255,.65), rgba(190,210,240,.42)),
    var(--sample);
}

.product-more {
  position: absolute;
  right: 22px;
  bottom: 24px;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 0;
  color: #18120d;
  background: #f6edda;
  border-radius: 50%;
  font-size: 28px;
  font-weight: 700;
  cursor: pointer;
}

.product-modal {
  position: fixed;
  inset: 0;
  z-index: 82;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(16, 17, 20, 0.72);
}

.product-modal.open {
  display: flex;
}

.product-modal-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  width: min(1080px, 100%);
  max-height: min(88vh, 980px);
  overflow: auto;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-modal-panel > img {
  min-height: 560px;
}

.product-modal-copy {
  align-self: center;
  padding: clamp(30px, 5vw, 58px);
}

.product-modal-copy span {
  display: block;
  margin-bottom: 14px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-modal-copy h2 {
  font-size: clamp(34px, 4.4vw, 60px);
}

.product-modal-copy p,
.product-modal-copy li {
  color: #3f454d;
  font-size: 18px;
}

.product-modal-copy ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 32px;
  padding-left: 20px;
}

.product-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  font-size: 30px;
  cursor: pointer;
}

.calculator {
  background: var(--white);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(220px, 0.7fr);
  gap: 18px;
  align-items: end;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 15px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(30, 138, 121, 0.2);
  border-color: var(--accent);
}

.quote-box {
  display: grid;
  gap: 6px;
  min-height: 78px;
  padding: 14px 18px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.quote-box span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  text-transform: uppercase;
}

.quote-box strong {
  font-size: 28px;
  line-height: 1;
}

.quote-detail {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.logos {
  padding: clamp(70px, 8vw, 110px) clamp(22px, 7vw, 110px);
  background: var(--white);
  text-align: center;
}

.logos h2 {
  margin-bottom: 28px;
  font-size: clamp(28px, 3.4vw, 42px);
  text-transform: uppercase;
}

.logo-divider {
  display: block;
  width: 96px;
  height: 14px;
  margin: 0 auto 48px;
  border-top: 4px solid #313131;
  border-bottom: 4px solid #313131;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 46px 58px;
  max-width: 1080px;
  margin: 0 auto;
  align-items: center;
}

.trust-logo {
  display: grid;
  place-items: center;
  min-height: 58px;
  color: #111;
  font-size: clamp(19px, 1.8vw, 34px);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
}

.trust-logo.real-logo {
  min-height: 110px;
  padding: 22px;
  border: 1px solid #edf0f2;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(16, 17, 20, 0.06);
}

.trust-logo.real-logo img {
  width: 100%;
  max-width: 170px;
  max-height: 64px;
  object-fit: contain;
}

.trust-logo.logo-google {
  display: flex;
  gap: 1px;
  font-family: Arial, sans-serif;
  font-size: 34px;
  font-weight: 700;
}

.logo-google b:nth-child(1),
.logo-google b:nth-child(4) { color: #4285f4; }
.logo-google b:nth-child(2),
.logo-google b:nth-child(6) { color: #ea4335; }
.logo-google b:nth-child(3) { color: #fbbc05; }
.logo-google b:nth-child(5) { color: #34a853; }

.logo-microsoft {
  display: flex;
  gap: 12px;
  color: #5e5e5e;
  font-size: 24px;
  font-weight: 600;
}

.logo-microsoft i {
  width: 34px;
  height: 34px;
  background:
    linear-gradient(90deg, #f25022 0 48%, transparent 48% 52%, #7fba00 52% 100%),
    linear-gradient(#00a4ef 0 48%, transparent 48% 52%, #ffb900 52% 100%);
  background-blend-mode: normal;
}

.logo-apple {
  color: #111;
  font-size: 28px;
  font-weight: 600;
}

.logo-apple::before {
  content: "";
  width: 32px;
  height: 38px;
  margin: 0 auto 6px;
  display: block;
  border-radius: 48% 48% 44% 44%;
  background: #111;
}

.logo-amazon {
  color: #111;
  font-size: 32px;
  font-weight: 500;
}

.logo-amazon span {
  width: 78px;
  height: 14px;
  border-bottom: 4px solid #ff9900;
  border-radius: 0 0 100% 100%;
}

.logo-tesla {
  color: #cc0000;
  font-size: 27px;
  letter-spacing: 0.12em;
}

.logo-samsung {
  color: #1428a0;
  font-size: 27px;
  letter-spacing: 0.08em;
}

.logo-toyota {
  color: #e4002b;
  font-size: 27px;
}

.logo-siemens {
  color: #009999;
  font-size: 28px;
  letter-spacing: 0.04em;
}

.logo-ibm {
  color: #2365b7;
  font-family: "Courier New", monospace;
  font-size: 44px;
  text-decoration: underline;
  text-decoration-thickness: 4px;
}

.logo-dhl {
  color: #d40511;
  background: #ffcc00;
  padding: 8px 24px;
  font-size: 28px;
  font-style: italic;
}

.logo-cocacola {
  color: #f40009;
  font-family: Georgia, serif;
  font-size: 32px;
  font-style: italic;
}

.logo-bmw {
  width: 82px;
  height: 82px;
  margin: auto;
  color: #111;
  border: 4px solid #111;
  border-radius: 50%;
  font-size: 20px;
}

.logo-marriott,
.logo-hilton {
  font-family: Georgia, serif;
  font-size: 30px;
}

.logo-marriott { color: #b41f24; }
.logo-hilton { color: #193a6a; }

.logo-accenture {
  color: #111;
  font-size: 28px;
  font-weight: 700;
}

.logo-accenture span {
  color: #a100ff;
  transform: translate(26px, -20px);
}

.logo-vodafone {
  color: #e60000;
  font-size: 30px;
  font-weight: 500;
}

.logo-nestle {
  color: #6d5145;
  font-family: Georgia, serif;
  font-size: 31px;
}

.logo-ikea {
  width: 110px;
  height: 58px;
  margin: auto;
  color: #0058a3;
  background: #ffdb00;
  border-radius: 50%;
  font-size: 32px;
}

.trust-logo small {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  font-weight: 700;
}

.acciona { color: #101010; font-size: clamp(22px, 2vw, 34px); }
.acciona::first-letter { color: #e01e26; }
.agc { color: #1b3d8f; }
.aok { color: #fff; background: #349961; padding: 14px 28px; font-weight: 500; }
.arag { width: 80px; height: 80px; margin: auto; color: #111; background: #ffdb16; border: 3px solid #111; border-radius: 50%; }
.audi { color: #d4162d; font-family: Georgia, serif; }
.audi::before { content: "OOOO"; display: block; color: #808080; letter-spacing: -6px; font-size: 33px; }
.axa { color: #fff; background: #203b8f; padding: 18px 24px; font-size: 38px; }
.basf { font-size: 34px; }
.bayer { width: 74px; height: 74px; margin: auto; border: 2px solid #8aa9b8; border-radius: 50%; font-size: 15px; color: #7d858a; }
.bp { color: #238c41; }
.bp::after { content: ""; width: 42px; height: 42px; margin-top: 2px; background: radial-gradient(circle, #ffd521 0 26%, #58a846 28% 56%, transparent 58%); border-radius: 50%; }
.commerz { color: #111; font-size: 15px; }
.cover { color: #355c7d; border-top: 2px solid #7d7d7d; font-size: 24px; }
.bundesbank { color: #66707a; font-size: 14px; text-align: left; }
.citi { color: #163a8c; font-weight: 500; }
.dhl { color: #b82018; font-style: italic; }
.ibm { color: #2365b7; font-family: "Courier New", monospace; font-size: 44px; text-decoration: underline; text-decoration-thickness: 4px; }
.mcdonalds { color: #ffbc0d; font-size: 78px; font-family: Georgia, serif; }
.mediamarkt { color: #fff; background: #e30613; padding: 7px 16px; font-size: 18px; font-style: italic; }
.swatch { font-weight: 500; }
.motorola { color: #1767b1; font-size: 18px; font-style: italic; }
.phonehouse { color: #fff; background: #17396a; padding: 7px 14px; font-size: 15px; }
.toyota { color: #e4002b; }
.ups { width: 66px; height: 74px; margin: auto; color: #fff; background: #9b6a28; border-radius: 22px 22px 14px 14px; }
.goodlife { font-family: Georgia, serif; font-size: 25px; }

.news-section {
  padding: clamp(70px, 8vw, 118px) clamp(18px, 5vw, 72px);
  background: var(--soft);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.news-card {
  display: grid;
  align-content: start;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 45px rgba(16, 17, 20, 0.13);
}

.news-card img {
  height: 180px;
}

.news-card span,
.news-card h3,
.news-card p,
.news-card button {
  margin-left: 22px;
  margin-right: 22px;
}

.news-card span {
  margin-top: 20px;
  margin-bottom: 14px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.news-card h3 {
  font-size: 21px;
}

.news-card p {
  color: var(--muted);
}

.news-card button {
  align-self: end;
  justify-self: start;
  margin-top: 10px;
  margin-bottom: 22px;
  padding: 0;
  border: 0;
  color: var(--accent-dark);
  background: transparent;
  font: inherit;
  color: var(--accent-dark);
  font-weight: 800;
  cursor: pointer;
}

.news-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(16, 17, 20, 0.72);
}

.news-modal.open {
  display: flex;
}

.news-modal-panel {
  position: relative;
  width: min(980px, 100%);
  max-height: min(88vh, 980px);
  overflow: auto;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.news-modal-panel > img {
  height: 320px;
}

.news-modal-copy {
  padding: clamp(26px, 5vw, 54px);
}

.news-modal-copy span {
  display: block;
  margin-bottom: 14px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.news-modal-copy h2 {
  font-size: clamp(30px, 4vw, 50px);
}

.news-modal-copy p {
  color: #3f454d;
  font-size: 18px;
}

.news-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  font-size: 30px;
  cursor: pointer;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  min-height: 760px;
}

.contact-media {
  min-height: 420px;
}

.contact-form-wrap {
  padding: clamp(48px, 7vw, 90px);
  background: var(--white);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-weight: 400;
}

.check input {
  width: 18px;
  min-width: 18px;
  margin-top: 4px;
}

.form-status,
.newsletter p {
  min-height: 24px;
  margin: 0;
  color: var(--accent-dark);
  font-weight: 700;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.7fr) minmax(170px, 0.3fr);
  gap: 38px;
  padding: 58px clamp(18px, 5vw, 72px) 92px;
  color: rgba(255, 255, 255, 0.82);
  background: #121316;
}

.footer h2 {
  color: var(--white);
  font-size: 30px;
}

.newsletter {
  display: grid;
  align-content: start;
  gap: 12px;
}

.newsletter label {
  color: rgba(255, 255, 255, 0.78);
}

.newsletter input {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.footer-menu {
  display: grid;
  align-content: start;
  gap: 12px;
}

.quick-actions {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: flex;
  gap: 8px;
}

.quick-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  color: var(--white);
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 14px 30px rgba(16, 17, 20, 0.18);
  font-size: 25px;
  font-weight: 700;
}

.quick-actions svg {
  width: 30px;
  height: 30px;
}

.whatsapp-action {
  background: #25d366 !important;
}

.phone-action {
  background: #101114 !important;
}

@keyframes slowZoom {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.08);
  }
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 14px 22px 22px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .nav.open {
    display: grid;
  }

  .nav a {
    padding: 14px 0;
  }

  .intro-grid,
  .about-company-grid,
  .about-values,
  .demo-wrap,
  .tech-band,
  .gallery-grid,
  .contact,
  .footer {
    grid-template-columns: 1fr;
  }

  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .features article:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .features article:nth-child(2n) {
    border-right: 0;
  }

  .calc-grid,
  .logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .products-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .products-track {
    grid-auto-columns: minmax(300px, 62vw);
  }

  .product-modal-panel {
    grid-template-columns: 1fr;
  }

  .product-modal-panel > img {
    min-height: 340px;
    max-height: 420px;
  }
}

@media (max-width: 620px) {
  .topbar {
    flex-direction: column;
    gap: 4px;
    align-items: center;
  }

  .site-header {
    min-height: 68px;
  }

  .nav {
    top: 68px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero p {
    font-size: 17px;
  }

  .hero-actions,
  .quick-actions {
    width: calc(100% - 36px);
  }

  .hero-actions .btn {
    flex: 1;
  }

  .quick-actions {
    justify-content: flex-end;
  }

  .features,
  .about-values,
  .calc-grid,
  .logo-grid {
    grid-template-columns: 1fr;
  }

  .logo-grid {
    gap: 42px 20px;
  }

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

  .features article {
    min-height: 220px;
    border-right: 0;
  }

  .features article:nth-child(3n) {
    border-right: 0;
  }

  .glass-preview {
    min-height: 430px;
  }

  .products-track {
    grid-auto-columns: minmax(286px, 86vw);
  }

  .product-card {
    min-height: 520px;
  }

  .product-modal {
    padding: 14px;
  }

  .product-modal-panel > img {
    min-height: 260px;
  }

  .control-row {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .control-row span:last-child {
    text-align: center;
  }
}