:root {
  --accent: #15b8d9;
  --accent-strong: #0787a7;
  --ink: #102033;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #dbe5ee;
  --surface: #f6f9fc;
  --surface-strong: #eaf5f8;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--muted);
  font-family: "Inter", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background: var(--white);
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
}

.topbar {
  color: rgba(255, 255, 255, 0.88);
  background: rgba(10, 24, 40, 0.58);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

.topbar__inner,
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar__inner {
  min-height: 42px;
}

.contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.contact-strip a:hover,
.footer a:hover {
  color: var(--accent);
}

.topbar__quote {
  color: #fff;
  font-weight: 700;
}

.navbar {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 229, 238, 0.8);
  backdrop-filter: blur(18px);
}

.navbar.is-scrolled {
  position: fixed;
  top: 0;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.12);
}

.navbar__inner {
  min-height: 82px;
}

.brand img {
  width: 136px;
  height: 48px;
  object-fit: contain;
}

.menu {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.menu a {
  padding: 10px 14px;
  border-radius: var(--radius);
}

.menu a:hover,
.menu a.active {
  color: var(--accent-strong);
  background: rgba(21, 184, 217, 0.1);
}

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

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(8, 20, 35, 0.86) 0%, rgba(8, 20, 35, 0.56) 48%, rgba(8, 20, 35, 0.22) 100%),
    linear-gradient(0deg, rgba(8, 20, 35, 0.2), rgba(8, 20, 35, 0.2));
}

.hero__slide {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0;
  background-position: center;
  background-size: cover;
  transform: scale(1.03);
  transition: opacity 700ms ease, transform 700ms ease;
}

.hero__slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero__content {
  position: relative;
  display: grid;
  min-height: 780px;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 48px;
  align-items: center;
  padding: 170px 0 88px;
}

.hero__copy {
  max-width: 790px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 2px;
  content: "";
  background: currentColor;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  color: #fff;
  font-size: clamp(46px, 6vw, 78px);
  font-weight: 800;
  line-height: 1.02;
}

.hero__lead {
  max-width: 610px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  min-width: 154px;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 16px 34px rgba(21, 184, 217, 0.28);
}

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

.btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.btn-dark {
  color: #fff;
  background: var(--ink);
}

.hero__panel {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero__panel div {
  padding: 26px;
  background: rgba(255, 255, 255, 0.1);
}

.hero__panel strong,
.phone-box a {
  display: block;
  color: #fff;
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.hero__panel span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.82);
}

.hero__arrow {
  position: absolute;
  top: 52%;
  z-index: 3;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  font-size: 44px;
  line-height: 1;
  cursor: pointer;
}

.hero__arrow--left {
  left: 28px;
}

.hero__arrow--right {
  right: 28px;
}

.stats {
  position: relative;
  z-index: 5;
  margin-top: -58px;
}

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

.stats article {
  display: grid;
  min-height: 132px;
  grid-template-columns: 58px 1fr;
  align-items: center;
  column-gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
}

.stat-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: var(--radius);
  color: var(--accent-strong);
  background: var(--surface-strong);
  font-size: 15px;
  font-weight: 800;
}

.stats p,
.stats strong {
  grid-column: 2;
  margin: 0;
}

.stats p {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.stats strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
}

.section {
  padding: 104px 0;
}

.split,
.feature__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.media-frame,
.feature-media {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 1.04;
  object-fit: cover;
}

.section-copy h2,
.section-title h2 {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(31px, 4vw, 50px);
  font-weight: 800;
  line-height: 1.08;
}

.section-copy p,
.section-title p {
  margin-top: 0;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 0;
  margin: 28px 0;
  list-style: none;
}

.check-list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  background: var(--surface);
  font-weight: 700;
}

.check-list li::before {
  margin-right: 10px;
  color: var(--accent-strong);
  content: "✓";
  font-weight: 800;
}

.services {
  background: var(--surface);
}

.section-title {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-title .eyebrow {
  justify-content: center;
}

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

.service-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.service-card img {
  width: 100%;
  aspect-ratio: 1.45;
  object-fit: cover;
}

.service-card__body {
  position: relative;
  padding: 30px;
}

.service-number {
  position: absolute;
  top: -28px;
  right: 24px;
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border-radius: var(--radius);
  color: #fff;
  background: var(--accent);
  font-weight: 800;
}

.service-label {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.service-card h3,
.feature-list h3,
.footer h3,
.form-heading h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
}

.service-card a {
  display: inline-flex;
  margin-top: 10px;
  color: var(--accent-strong);
  font-weight: 800;
}

.products {
  background: #fff;
}

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

.product-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.product-card--wide {
  grid-column: span 2;
}

.product-card img {
  width: 100%;
  height: 100%;
  min-height: 330px;
  object-fit: cover;
  transition: transform 280ms ease;
}

.product-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(8, 20, 35, 0.02) 28%, rgba(8, 20, 35, 0.84) 100%);
}

.product-card:hover img {
  transform: scale(1.04);
}

.product-card__body {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.product-card__body span {
  display: grid;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius);
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
  font-size: 13px;
  font-weight: 800;
  backdrop-filter: blur(10px);
}

.product-card h3 {
  margin: 0;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.15;
  text-align: right;
}

.feature {
  background: #fff;
}

.feature__grid {
  align-items: stretch;
}

.feature-media img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.feature-list article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-list span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent-strong);
  font-weight: 800;
}

.feature-list p {
  margin: 0;
}

.sustainable {
  background: linear-gradient(180deg, var(--surface) 0%, #fff 100%);
}

.sustainable .split {
  align-items: stretch;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.pill-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: #fff;
  font-size: 14px;
  font-weight: 700;
}

.phone-box {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding: 22px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--ink);
}

.phone-box span {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.quote-form {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 34px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.form-heading span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 15px;
  color: var(--ink-soft);
  background: var(--surface);
  outline: none;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(21, 184, 217, 0.13);
}

.quote-form textarea {
  min-height: 132px;
  resize: vertical;
}

.quote-form .btn {
  width: 100%;
}

.footer {
  color: #cbd5e1;
  background: #081423;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 0.8fr 0.8fr;
  gap: 42px;
  padding: 74px 0 50px;
}

.footer__logo {
  width: 138px;
  height: 50px;
  margin-bottom: 22px;
  object-fit: contain;
  filter: brightness(1.1);
}

.footer h3 {
  color: #fff;
}

.footer a {
  display: block;
  margin: 9px 0;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

@media (max-width: 980px) {
  .container {
    width: min(100% - 32px, 760px);
  }

  .topbar__quote {
    display: none;
  }

  .navbar__inner {
    min-height: 74px;
  }

  .menu-toggle {
    display: block;
  }

  .menu {
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .menu.open {
    display: flex;
  }

  .hero,
  .hero__content {
    min-height: 720px;
  }

  .hero__content {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 28px;
    padding-top: 148px;
  }

  .hero__panel {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero__panel div {
    padding: 18px;
  }

  .hero__panel strong {
    font-size: 26px;
  }

  .hero__arrow {
    display: none;
  }

  .stats__grid,
  .service-grid,
  .product-grid,
  .split,
  .feature__grid,
  .feature-list,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .feature-media img {
    min-height: 380px;
  }

  .product-card,
  .product-card img {
    min-height: 360px;
  }

  .product-card--wide {
    grid-column: span 1;
  }
}

@media (max-width: 620px) {
  .topbar {
    display: none;
  }

  .container {
    width: min(100% - 28px, 520px);
  }

  .site-header {
    position: fixed;
  }

  .hero,
  .hero__content {
    min-height: 740px;
  }

  .hero__content {
    padding-top: 110px;
  }

  .hero h1 {
    font-size: 43px;
  }

  .hero__lead {
    font-size: 17px;
  }

  .hero__actions,
  .footer__bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

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

  .stats {
    margin-top: -36px;
  }

  .section {
    padding: 76px 0;
  }

  .check-list {
    grid-template-columns: 1fr;
  }

  .quote-form {
    padding: 24px;
  }

  .product-card,
  .product-card img {
    min-height: 310px;
  }

  .product-card__body {
    align-items: start;
    flex-direction: column;
  }

  .product-card h3 {
    text-align: left;
  }
}