:root {
  --navy: #071d35;
  --navy-2: #0a2540;
  --blue: #0c5a94;
  --sky: #14a0c4;
  --sky-deep: #0e89ad;
  --mint: #b8e2d7;
  --ink: #10283d;
  --paper: #f5f7f5;
  --paper-2: #eef2ee;
  --line: #d7e0df;
  --line-2: #e4ebe7;
  --white: #fff;
  --accent: #d4a017;

  --shadow-1: 0 2px 8px rgba(7,29,53,0.06);
  --shadow-2: 0 8px 24px rgba(7,29,53,0.09);
  --shadow-3: 0 16px 42px rgba(7,29,53,0.12);
  --shadow-4: 0 28px 60px rgba(7,29,53,0.16);

  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 0.2s;
  --dur-base: 0.35s;
  --dur-slow: 0.55s;

  --max-w: 1260px;
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Manrope, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(ellipse at 85% 0%, rgba(20,160,196,0.06), transparent 55%),
    radial-gradient(ellipse at 15% 80%, rgba(7,29,53,0.04), transparent 45%);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }

/* ===== Scroll progress bar ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sky), var(--blue));
  width: 0%;
  z-index: 999;
  transition: width 0.08s linear;
  box-shadow: 0 0 10px rgba(20,160,196,0.4);
}
.scroll-progress::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50px; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5));
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.85);
  transition: opacity var(--dur-fast) var(--ease-smooth),
              transform var(--dur-fast) var(--ease-smooth),
              visibility 0s var(--dur-slow);
  box-shadow: var(--shadow-2);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  background: var(--sky);
  color: var(--navy);
  transform: translateY(-3px);
  box-shadow: var(--shadow-3);
}

/* ===== Scroll-spy active link ===== */
.nav-links a.active {
  color: var(--sky);
  font-weight: 800;
}
.nav-links a.active::after { right: 0; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  height: var(--nav-h);
  background: rgba(248, 250, 249, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(13, 93, 157, 0.07);
  transition: background var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth),
              border-color var(--dur-base) var(--ease-smooth);
}
.header.scrolled {
  background: rgba(248, 250, 249, 0.96);
  border-bottom-color: rgba(13, 93, 157, 0.12);
  box-shadow: var(--shadow-1);
}
.nav {
  height: 100%;
  max-width: var(--max-w);
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 15px;
  color: var(--navy);
  transition: color var(--dur-fast) var(--ease-smooth);
  position: relative;
}
.brand:hover { color: var(--sky); }
.brand-logo {
  display: block;
  width: 142px; height: 49px;
  object-fit: contain;
  object-position: center;
  border-radius: 3px;
  transition: transform var(--dur-base) var(--ease-smooth);
}
.brand:hover .brand-logo { transform: scale(1.04); }
.brand-mark {
  width: 26px; height: 26px;
  border: 6px solid var(--sky);
  border-left-color: var(--navy);
  border-radius: 50%;
  transform: rotate(-40deg);
  box-shadow: 0 0 0 4px rgba(20,160,196,0.08);
  transition: transform var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth);
}
.brand:hover .brand-mark {
  transform: rotate(-40deg) scale(1.08);
  box-shadow: 0 0 0 6px rgba(20,160,196,0.12);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 12px;
  font-weight: 700;
}
.nav-links a {
  white-space: nowrap;
  position: relative;
  padding: 5px 0;
  color: var(--ink);
  transition: color var(--dur-fast) var(--ease-smooth);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0; height: 2px;
  background: var(--sky);
  transition: right 0.3s var(--ease-smooth);
  border-radius: 1px;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a:hover::after { right: 0; }
.language {
  display: flex;
  gap: 3px;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}
.language button {
  border: 0; background: transparent;
  padding: 5px 4px;
  cursor: pointer;
  color: #789;
  font: 500 12px "DM Mono", monospace;
  transition: color var(--dur-fast) var(--ease-smooth),
              background var(--dur-fast) var(--ease-smooth);
}
.language button:hover { color: var(--sky); background: rgba(20,160,196,0.06); }
.language button.active { color: var(--sky); font-weight: 500; }
.quote {
  border: 0;
  background: var(--navy);
  color: #fff;
  padding: 12px 17px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border-radius: 3px;
  box-shadow: 0 10px 25px rgba(7,29,53,0.13);
  transition: background var(--dur-fast) var(--ease-smooth),
              transform var(--dur-fast) var(--ease-smooth),
              box-shadow var(--dur-fast) var(--ease-smooth);
}
.quote:hover {
  background: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(7,29,53,0.16);
}
.menu-btn {
  display: none;
  border: 0; background: transparent;
  font-size: 22px;
  color: var(--navy);
  cursor: pointer;
  padding: 4px;
  transition: color var(--dur-fast) var(--ease-smooth);
}

/* ===== Hero ===== */
.hero {
  min-height: 700px;
  background:
    linear-gradient(110deg, rgba(4,19,37,0.16), transparent 55%),
    radial-gradient(circle at 86% 28%, rgba(20,160,196,0.34), transparent 0 16%, transparent 42%),
    linear-gradient(135deg, #06182d 0%, #072a49 57%, #0c5170 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero::before {
  content: '';
  position: absolute;
  width: 720px; height: 720px;
  right: -190px; top: -300px;
  border-radius: 50%;
  border: 1px solid rgba(184,226,215,0.32);
  box-shadow: 0 0 0 44px rgba(184,226,215,0.045), 0 0 0 120px rgba(184,226,215,0.025);
  animation: heroFloat 14s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  width: 350px; height: 350px;
  right: 145px; top: -45px;
  border-radius: 50%;
  border: 1px solid rgba(184,226,215,0.3);
  animation: heroFloat 18s ease-in-out infinite reverse;
}
@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-12px, -8px); }
}
.hero-inner {
  max-width: var(--max-w);
  margin: auto;
  padding: 120px 28px 100px;
  position: relative;
  z-index: 1;
}
.hero-copy { position: relative; z-index: 2; max-width: 58%; }
.hero h1 {
  font-size: clamp(48px, 7vw, 91px);
  letter-spacing: -0.065em;
  line-height: 0.98;
  max-width: 840px;
  margin: 30px 0;
  text-wrap: balance;
}
.hero p {
  max-width: 600px;
  color: #cedae2;
  font-size: 17px;
  line-height: 1.7;
}
.hero-visual {
  position: absolute;
  z-index: 2;
  right: 28px; bottom: 88px;
  width: min(36vw, 435px);
  min-height: 350px;
  overflow: hidden;
  background: #0a1d30;
  border: 1px solid rgba(184,226,215,0.2);
  box-shadow: 24px 28px 0 rgba(24,164,203,0.2), 0 26px 60px rgba(0,8,18,0.35);
}
.hero-visual img {
  display: block;
  width: 100%; height: 292px;
  padding: 28px 34px;
  object-fit: contain;
  object-position: center;
}
.hero-visual-note {
  display: flex; align-items: center; gap: 16px;
  min-height: 58px;
  padding: 10px 15px;
  background: #f6f9f7;
  color: var(--ink);
}
.hero-visual-note span {
  color: var(--sky);
  font: 500 12px 'DM Mono', monospace;
}
.hero-visual-note p {
  margin: 0;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
}
.hero .eyebrow {
  font: 500 11px "DM Mono", monospace;
  color: var(--mint);
  letter-spacing: 0.16em;
  display: inline-block;
  animation: fadeSlideUp 0.8s var(--ease-smooth) both;
}
.hero h1 {
  animation: fadeSlideUp 0.8s var(--ease-smooth) 0.1s both;
}
.hero p {
  animation: fadeSlideUp 0.8s var(--ease-smooth) 0.2s both;
}
.hero .buttons { animation: fadeSlideUp 0.8s var(--ease-smooth) 0.3s both; }
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.eyebrow {
  font: 500 11px "DM Mono", monospace;
  color: var(--sky);
  letter-spacing: 0.14em;
}
.hero h1 { color: #fff; }
.hero .text-link { color: var(--mint); }

/* ===== Buttons ===== */
.buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.button {
  display: inline-block;
  padding: 15px 21px;
  border: 1px solid var(--navy);
  font-size: 13px;
  font-weight: 700;
  border-radius: 3px;
  transition: transform var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth),
              background var(--dur-base) var(--ease-smooth),
              border-color var(--dur-base) var(--ease-smooth);
}
.button.primary {
  background: var(--sky);
  border-color: var(--sky);
  color: #062039;
  box-shadow: 0 10px 25px rgba(7,29,53,0.13);
}
.button.ghost {
  border-color: #8297aa;
  color: #fff;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(1,18,33,0.17);
}
.button.primary:hover {
  background: var(--sky-deep);
  border-color: var(--sky-deep);
}
.button.ghost:hover { border-color: #b0c4d0; }

/* ===== Layout sections ===== */
section { padding: 105px 28px; }
.wrap { max-width: var(--max-w); margin: auto; }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 10vw;
  align-items: end;
}
.section-tag {
  font: 500 11px "DM Mono", monospace;
  letter-spacing: 0.14em;
  color: var(--blue);
}
h2 {
  font-size: clamp(32px, 4.3vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.055em;
  margin: 17px 0 0;
  max-width: 800px;
}
p { line-height: 1.7; }
.lede { font-size: 16px; line-height: 1.75; }
.text-link {
  display: inline-block;
  margin-top: 22px;
  font-weight: 800;
  color: var(--blue);
  font-size: 13px;
  transition: color var(--dur-fast) var(--ease-smooth),
              transform var(--dur-fast) var(--ease-smooth);
}
.text-link:hover { color: var(--sky); transform: translateX(3px); }

/* ===== Solutions cards ===== */
.solutions {
  background: linear-gradient(135deg, #eaf2f0, #dceae9);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 44px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow-2);
}
.card {
  min-height: 220px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.35);
  display: block;
  color: inherit;
  position: relative;
  overflow: hidden;
  border-radius: 0;
  transition: background var(--dur-base) var(--ease-smooth),
              transform var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth);
}
.card:hover {
  background: #fff;
  transform: translateY(-5px);
  box-shadow: var(--shadow-3);
  position: relative; z-index: 1;
}
.card-num {
  font: 500 11px "DM Mono", monospace;
  color: var(--blue);
}
.card h3 {
  font-size: 21px;
  letter-spacing: -0.04em;
  margin: 37px 0 10px;
}
.card p {
  font-size: 13px;
  margin: 0;
  color: #536777;
}
.card-arrow {
  position: absolute;
  right: 22px; bottom: 20px;
  color: var(--sky);
  font-size: 21px;
  opacity: 0;
  transform: translate(-5px, 5px);
  transition: opacity var(--dur-base) var(--ease-smooth),
              transform var(--dur-base) var(--ease-smooth);
}
.card:hover .card-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* ===== Product grid ===== */
.products { background: var(--white); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.product-card {
  aspect-ratio: 3/4;
  padding: 24px 22px 22px;
  background: var(--navy);
  color: #fff;
  display: flex;
  flex-direction: column;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transition: transform var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth),
              background var(--dur-base) var(--ease-smooth);
  border-left: 3px solid var(--sky);
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-3);
  background: var(--navy-2);
}
.product-card .pc-num {
  font: 500 11px "DM Mono", monospace;
  color: var(--sky);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.product-card h3 {
  font-size: 20px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  flex: 1;
}
.product-card .pc-lede {
  font-size: 12px;
  line-height: 1.55;
  color: #b8cad6;
  margin: 0 0 14px;
  flex: 1;
}
.product-card .pc-specs {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 12px;
  margin-top: auto;
}
.product-card .pc-specs table {
  width: 100%;
  border-collapse: collapse;
}
.product-card .pc-specs td {
  padding: 5px 0;
  font-size: 11px;
  line-height: 1.5;
  color: #d4e1e5;
  vertical-align: top;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.product-card .pc-specs td:first-child {
  color: var(--sky);
  font: 500 10px "DM Mono", monospace;
  letter-spacing: 0.06em;
  padding-right: 12px;
  width: 34%;
  white-space: nowrap;
  text-transform: uppercase;
}
.product-card .pc-specs tr:last-child td { border-bottom: none; }
.product-card .pc-arrow {
  position: absolute;
  right: 16px; bottom: 16px;
  color: rgba(255,255,255,0.5);
  font-size: 18px;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity var(--dur-base) var(--ease-smooth),
              transform var(--dur-base) var(--ease-smooth);
}
.product-card:hover .pc-arrow {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Product detail page ===== */
.product-detail {
  padding-top: 70px;
  background: linear-gradient(135deg, #eaf3f1, #f8faf8);
  min-height: 650px;
}
.pd-hero {
  max-width: 780px;
  margin-bottom: 50px;
}
.pd-hero .section-tag { color: var(--blue); }
.pd-hero h1 {
  font-size: clamp(38px, 5.5vw, 68px);
  letter-spacing: -0.06em;
  line-height: 0.98;
  margin: 18px 0 10px;
  color: var(--navy);
}
.pd-tag {
  font: 500 11px "DM Mono", monospace;
  letter-spacing: 0.14em;
  color: var(--sky);
  margin: 0 0 18px;
}
.pd-lede {
  font-size: 18px;
  line-height: 1.65;
  color: #536777;
  max-width: 760px;
  margin: 0;
}
.pd-table-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 5px;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.pd-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px 14px;
  background: var(--navy);
  color: #fff;
}
.pd-table-head .section-tag { color: var(--mint); }
.pd-table-head .text-link { color: var(--mint); }
.pd-table {
  width: 100%;
  border-collapse: collapse;
}
.pd-table th, .pd-table td {
  padding: 15px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.6;
}
.pd-table th {
  font: 500 11px "DM Mono", monospace;
  letter-spacing: 0.06em;
  color: var(--blue);
  background: var(--paper-2);
  width: 34%;
}
.pd-table td { color: var(--ink); }
.pd-table tr:last-child th,
.pd-table tr:last-child td { border-bottom: none; }
.pd-note {
  margin: 22px 0 0;
  padding: 18px 20px;
  background: var(--paper);
  border-left: 3px solid var(--sky);
  border-radius: 0 4px 4px 0;
}
.pd-note .section-tag { color: var(--blue); margin-bottom: 8px; }
.pd-note p { margin: 0; font-size: 14px; line-height: 1.6; color: #536777; }

/* ===== Floating WhatsApp button ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.45);
  transition: transform var(--dur-fast) var(--ease-smooth),
              box-shadow var(--dur-fast) var(--ease-smooth);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 26px rgba(37,211,102,0.55);
}
.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: #fff;
}
.whatsapp-float .wa-label {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--navy);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease-smooth),
              visibility 0s var(--dur-slow);
  pointer-events: none;
}
.whatsapp-float:hover .wa-label {
  opacity: 1;
  visibility: visible;
}

/* ===== Service detail pages ===== */
.industrial-product {
  display: grid;
  grid-template-columns: minmax(320px, .9fr) 1.1fr;
  margin: 0 0 34px;
  background: #e8efed;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(13,93,157,0.14);
  border-radius: 5px;
  background: #f9fbfa;
  box-shadow: var(--shadow-2);
  transition: box-shadow var(--dur-base) var(--ease-smooth);
}
.industrial-product:hover { box-shadow: var(--shadow-3); }
.industrial-product-image {
  min-height: 560px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, #d9e9e8, #f7f8ee);
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 22% 20%, rgba(20,160,196,0.18), transparent 32%),
    linear-gradient(145deg, #dcece9, #f7f8ef);
}
.industrial-product-image::before {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  border: 1px solid rgba(13,93,157,0.2);
  border-radius: 50%;
  transform: translate(-30%, -35%);
}
.industrial-product-image img {
  display: block;
  width: 100%; max-width: 590px; height: auto;
  box-shadow: 0 18px 38px rgba(8,30,44,0.15);
  border-radius: 3px;
  position: relative; z-index: 1;
  transition: transform 0.4s var(--ease-smooth);
}
.industrial-product:hover .industrial-product-image img { transform: scale(1.025); }
.industrial-product-copy {
  padding: 47px 48px;
  background: linear-gradient(180deg, #fff, #f6faf9);
}
.industrial-product-copy h3 {
  margin: 12px 0 3px;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.065em;
}
.industrial-product-copy h4 {
  margin: 0 0 22px;
  color: var(--blue);
  font-size: 18px;
  letter-spacing: -0.02em;
}
.industrial-product-copy .lede { font-size: 15px; }
.application {
  margin-top: 28px;
  padding: 17px 19px;
  border-left: 3px solid var(--sky);
  background: #fff;
  border-radius: 0 4px 4px 0;
}
.application span {
  display: block;
  margin-bottom: 6px;
  font: 500 11px 'DM Mono', monospace;
  letter-spacing: 0.1em;
  color: var(--blue);
}
.application p { margin: 0; font-size: 13px; line-height: 1.6; }
.product-specs { margin: 25px 0 0; border-top: 1px solid var(--line); }
.product-specs div {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.product-specs div:first-child { padding-top: 17px; }
.product-specs dt {
  font: 500 11px 'DM Mono', monospace;
  letter-spacing: 0.05em;
  color: var(--blue);
  font-weight: 500;
}
.product-specs dd { margin: 0; font-size: 12px; line-height: 1.55; color: #435967; }
.product-safety {
  margin: 20px 0 0;
  padding: 14px 16px;
  background: #fff;
  font-size: 11px;
  line-height: 1.65;
  color: #536875;
  border-left: 3px solid #ef8b26;
}

/* ===== Industries ===== */
.industries { background: var(--paper); }
.industry-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.industry {
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  transition: padding var(--dur-base) var(--ease-smooth),
              color var(--dur-base) var(--ease-smooth);
  position: relative;
}
.industry::before {
  content: '↗';
  position: absolute;
  left: 0;
  color: var(--sky);
  margin-right: 13px;
  transition: transform var(--dur-base) var(--ease-smooth);
}
.industry:hover { color: var(--blue); padding-left: 11px; }
.industry:hover::before { transform: translateX(3px); }

/* ===== R&D section ===== */
.rd {
  background: linear-gradient(125deg, #06182a, #082f4d 58%, #0a5873);
  color: #fff;
}
.rd .section-tag { color: var(--mint); }
.rd h2 { color: #fff; }
.rd p { max-width: 620px; color: #c4d3dc; font-size: 16px; }
.rd .text-link { color: var(--mint); }

/* ===== Technology grid ===== */
section .technology-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  box-shadow: var(--shadow-2);
}
.technology-grid > div {
  background: var(--white);
  padding: 30px;
  min-height: 200px;
  transition: background var(--dur-base) var(--ease-smooth);
}
.technology-grid > div:hover { background: #eaf5f2; }
.technology-grid h3 { font-size: 21px; margin: 45px 0 8px; }
.technology-grid p { font-size: 13px; color: #536777; }

/* ===== Sustainability ===== */
.sustain { background: #d6e5dc; }
.checklist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 42px 0 0;
}
.checklist li {
  font-weight: 700;
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}
.checklist li::before {
  content: '✓';
  display: inline-block;
  color: var(--blue);
  margin-right: 10px;
  font-weight: 700;
}

/* ===== Stats ===== */
.stats {
  padding: 50px 28px;
  background: var(--white);
}
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat {
  padding: 15px 30px;
  border-left: 1px solid var(--line);
  transition: border-color var(--dur-base) var(--ease-smooth);
}
.stat:first-child { border-left: 0; }
.stat strong {
  display: block;
  font-size: 55px;
  letter-spacing: -0.07em;
  background: linear-gradient(135deg, var(--blue), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: transform var(--dur-base) var(--ease-smooth);
}
.stat:hover strong { transform: scale(1.02); }
.stat span { font-size: 13px; font-weight: 700; }

/* ===== Cases ===== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.case {
  padding: 28px;
  background: #dce9e8;
  min-height: 245px;
  border-radius: 4px;
  transition: transform var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth);
}
.case:nth-child(2) { background: #123e60; color: #fff; }
.case:nth-child(3) { background: #168da1; color: #fff; }
.case:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-3);
}
.case h3 {
  font: 500 12px "DM Mono", monospace;
  letter-spacing: 0.08em;
  margin: 0 0 65px;
}
.case:nth-child(2) h3, .case:nth-child(3) h3 { color: rgba(255,255,255,0.7); }
.case p {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.04em;
}

/* ===== Final CTA ===== */
.final {
  background: linear-gradient(120deg, #1ca8c8, #31c1c5);
  color: #05263d;
}
.final h2 { max-width: 900px; }
.final p { max-width: 600px; font-size: 16px; }
.final .button.primary {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.final .button.ghost {
  border-color: #075071;
  color: #05263d;
}

/* ===== Footer ===== */
footer {
  background: linear-gradient(135deg, #041321, #071f36);
  color: #d4e1e5;
  padding: 70px 28px 25px;
}
.footer-grid {
  max-width: var(--max-w);
  margin: auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 30px;
}
.footer-grid h4 {
  font: 500 11px "DM Mono", monospace;
  letter-spacing: 0.13em;
  color: var(--mint);
  margin: 0 0 20px;
}
.footer-grid a {
  display: block;
  font-size: 13px;
  margin: 0 0 11px;
  color: #b8c8d0;
  transition: color var(--dur-fast) var(--ease-smooth),
              transform var(--dur-fast) var(--ease-smooth);
}
.footer-grid a:hover { color: var(--mint); transform: translateX(2px); }
.footer-brand .brand-logo {
  width: 174px; height: 70px;
  object-fit: contain;
  object-position: center;
}
.footer-bottom {
  border-top: 1px solid #284055;
  max-width: var(--max-w);
  margin: 55px auto 0;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  color: #92a6b1;
}
.footer-bottom nav { display: flex; gap: 16px; }
.footer-bottom nav a {
  color: #92a6b1;
  font-size: 11px;
  transition: color var(--dur-fast) var(--ease-smooth);
}
|.footer-bottom nav a:hover { color: var(--mint); }
|.wa-footer {
  color: var(--mint) !important;
  font-weight: 700;
}
|.wa-footer:hover { color: #25d366 !important; }

|.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
|.footer-contact h4 {
  font: 500 11px "DM Mono", monospace;
  letter-spacing: 0.13em;
  color: var(--mint);
  margin: 0 0 20px;
}
|.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #25d366;
  transition: color var(--dur-fast) var(--ease-smooth);
}
|.whatsapp-link:hover { color: #1da851; }
|.whatsapp-link::before {
  content: "";
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 0 0 3px rgba(37,211,102,0.2);
}
/* ===== Cookie ===== */
.cookie {
  position: fixed;
  z-index: 20;
  right: 18px; bottom: 18px;
  width: min(390px, calc(100% - 36px));
  padding: 20px;
  background: #fff;
  box-shadow: 0 14px 45px rgba(0,0,0,0.2);
  font-size: 12px;
  animation: cookieIn 0.4s var(--ease-bounce) both;
}
@keyframes cookieIn {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.cookie p { margin: 9px 0 15px; line-height: 1.5; }
.cookie button {
  border: 0;
  background: var(--navy);
  color: #fff;
  padding: 10px 15px;
  font-weight: 700;
  cursor: pointer;
  border-radius: 3px;
  transition: background var(--dur-fast) var(--ease-smooth),
              transform var(--dur-fast) var(--ease-smooth);
}
.cookie button:hover { background: var(--blue); transform: translateY(-1px); }

/* ===== Mobile panel ===== */
.mobile-panel { display: none; }
.mobile-panel.open {
  display: block;
  position: absolute;
  top: var(--nav-h);
  left: 0; right: 0;
  padding: 20px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  animation: panelSlide 0.3s var(--ease-smooth);
}
@keyframes panelSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-panel a {
  display: block;
  padding: 12px 0;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
  transition: color var(--dur-fast) var(--ease-smooth),
              padding-left var(--dur-fast) var(--ease-smooth);
}
.mobile-panel a:last-child { border-bottom: none; }
.mobile-panel a:hover { color: var(--sky); padding-left: 6px; }
.mobile-panel .language {
  margin: 10px 0;
  border-left: 0; padding-left: 0;
  display: flex; gap: 3px;
}
.mobile-panel .language button {
  padding: 6px 10px;
  font-size: 13px;
}

/* ===== Service detail pages ===== */
.service-detail {
  padding-top: 62px;
  background: linear-gradient(135deg, #eaf3f1, #f8faf8);
  min-height: 650px;
}
.back-link {
  display: inline-block;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 42px;
  transition: color var(--dur-fast) var(--ease-smooth);
}
.back-link:hover { color: var(--sky); }
.service-hero {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 40px;
}
.service-hero h1 {
  max-width: 760px;
  margin: 18px 0 20px;
  font-size: clamp(42px, 6vw, 78px);
  letter-spacing: -0.065em;
  line-height: 0.98;
}
.service-hero p {
  max-width: 690px;
  font-size: 18px;
  color: #536777;
  line-height: 1.7;
}
.service-orbit {
  width: 300px; height: 300px;
  justify-self: end;
  border: 1px solid rgba(13,93,157,0.2);
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  color: var(--blue);
  font-size: 47px;
  box-shadow: 0 0 0 28px rgba(20,160,196,0.06), 0 0 0 70px rgba(20,160,196,0.035);
  animation: orbitPulse 5s ease-in-out infinite;
}
@keyframes orbitPulse {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.04) rotate(8deg); }
}
.service-orbit span { position: absolute; font-size: 20px; }
.service-orbit span:nth-child(1) { top: 25px; right: 65px; }
.service-orbit span:nth-child(2) { bottom: 52px; left: 35px; }
.service-orbit span:nth-child(3) { top: 125px; right: -10px; }
.service-columns {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 70px;
  margin-top: 95px;
}
.benefit-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 23px; }
.benefit {
  min-height: 150px;
  padding: 22px;
  background: #fff;
  border: 1px solid rgba(13,93,157,0.1);
  transition: transform var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth);
}
.benefit:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-2);
}
.benefit span {
  font: 500 11px "DM Mono", monospace;
  color: var(--sky);
}
.benefit h3 {
  margin: 42px 0 0;
  font-size: 16px;
  line-height: 1.35;
}
.service-note {
  padding: 28px;
  background: var(--navy);
  color: #fff;
}
.service-note p { color: #cbdbe1; line-height: 1.7; margin: 22px 0 28px; }
.service-note .button { color: var(--navy); }

/* ===== Entrance animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-smooth),
              transform var(--dur-slow) var(--ease-smooth);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity var(--dur-slow) var(--ease-smooth),
              transform var(--dur-slow) var(--ease-smooth);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Staggered reveal delays for grid items */
.cards .card:nth-child(1) { --reveal-delay: 0ms; }
.cards .card:nth-child(2) { --reveal-delay: 80ms; }
.cards .card:nth-child(3) { --reveal-delay: 160ms; }
.cards .card:nth-child(4) { --reveal-delay: 240ms; }
.cards .card:nth-child(5) { --reveal-delay: 320ms; }
.cards .card:nth-child(6) { --reveal-delay: 400ms; }

.product-grid .product:nth-child(1) { --reveal-delay: 0ms; }
.product-grid .product:nth-child(2) { --reveal-delay: 60ms; }
.product-grid .product:nth-child(3) { --reveal-delay: 120ms; }
.product-grid .product:nth-child(4) { --reveal-delay: 180ms; }
.product-grid .product:nth-child(5) { --reveal-delay: 240ms; }
.product-grid .product:nth-child(6) { --reveal-delay: 300ms; }

.industry-list .industry:nth-child(1) { --reveal-delay: 0ms; }
.industry-list .industry:nth-child(2) { --reveal-delay: 60ms; }
.industry-list .industry:nth-child(3) { --reveal-delay: 120ms; }
.industry-list .industry:nth-child(4) { --reveal-delay: 180ms; }
.industry-list .industry:nth-child(5) { --reveal-delay: 240ms; }
.industry-list .industry:nth-child(6) { --reveal-delay: 300ms; }
.industry-list .industry:nth-child(7) { --reveal-delay: 360ms; }
.industry-list .industry:nth-child(8) { --reveal-delay: 420ms; }

.case-grid .case:nth-child(1) { --reveal-delay: 0ms; }
.case-grid .case:nth-child(2) { --reveal-delay: 100ms; }
.case-grid .case:nth-child(3) { --reveal-delay: 200ms; }

.stat-grid .stat:nth-child(1) { --reveal-delay: 0ms; }
.stat-grid .stat:nth-child(2) { --reveal-delay: 80ms; }
.stat-grid .stat:nth-child(3) { --reveal-delay: 160ms; }
.stat-grid .stat:nth-child(4) { --reveal-delay: 240ms; }

.benefit-list .benefit:nth-child(1) { --reveal-delay: 0ms; }
.benefit-list .benefit:nth-child(2) { --reveal-delay: 80ms; }
.benefit-list .benefit:nth-child(3) { --reveal-delay: 160ms; }

.technology-grid > div:nth-child(1) { --reveal-delay: 0ms; }
.technology-grid > div:nth-child(2) { --reveal-delay: 80ms; }
.technology-grid > div:nth-child(3) { --reveal-delay: 160ms; }
.technology-grid > div:nth-child(4) { --reveal-delay: 240ms; }

.checklist li:nth-child(1) { --reveal-delay: 0ms; }
.checklist li:nth-child(2) { --reveal-delay: 60ms; }
.checklist li:nth-child(3) { --reveal-delay: 120ms; }
.checklist li:nth-child(4) { --reveal-delay: 180ms; }
.checklist li:nth-child(5) { --reveal-delay: 240ms; }
.checklist li:nth-child(6) { --reveal-delay: 300ms; }

/* ===== Responsive ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}
@media (max-width: 1050px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-visual { right: 28px; width: 310px; min-height: 280px; bottom: 70px; }
  .hero-visual img { height: 225px; padding: 22px 28px; }
}
@media (max-width: 750px) {
  .hero-visual {
    position: relative;
    right: auto; bottom: auto;
    width: calc(100% + 44px);
    margin: 48px -22px 0;
    min-height: 0;
    box-shadow: none;
    border-left: 0; border-right: 0;
  }
}
@media (max-width: 700px) {
  .nav { height: 65px; padding: 0 18px; }
  .nav > .language,
  .nav > .quote { display: none; }
  .mobile-panel.open {
    display: block;
    position: absolute;
    top: 65px;
    left: 0; right: 0;
    padding: 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .mobile-panel a {
    display: block;
    padding: 12px 0;
    font-weight: 700;
    font-size: 14px;
  }
  .mobile-panel .language {
    margin: 10px 0;
    border-left: 0; padding-left: 0;
  }
  .hero-inner { padding: 85px 22px 75px; }
  .hero { min-height: auto; }
  .hero-inner { padding-bottom: 0; }
  .hero-copy { max-width: none; }
  .hero-visual {
    position: relative;
    right: auto; bottom: auto;
    width: calc(100% + 44px);
    margin: 48px -22px 0;
    min-height: 0;
    box-shadow: none;
    border-left: 0; border-right: 0;
  }
  .hero-visual img { height: 230px; padding: 22px 28px; }
  .brand-logo { width: 124px; height: 43px; }
  section { padding: 70px 22px; }
  .intro-grid,
  .technology-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-head { display: block; }
  .cards,
  .case-grid { grid-template-columns: 1fr; }
  .industrial-product { grid-template-columns: 1fr; }
  .industrial-product-image { min-height: auto; padding: 18px; }
  .industrial-product-copy { padding: 30px 23px; }
  .industrial-product-copy h3 { font-size: 34px; }
  .product-specs div { grid-template-columns: 1fr; gap: 5px; }
  .card { min-height: 180px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-list { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .industry { font-size: 14px; }
  .checklist { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat { border-left: 0; padding: 0; }
  .stat strong { font-size: 42px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1/-1; }
  .footer-bottom { display: block; }
  .footer-bottom nav { margin-top: 13px; flex-wrap: wrap; }
  .case { min-height: 190px; }
  .service-detail { padding-top: 42px; }
  .service-hero,
  .service-columns { grid-template-columns: 1fr; gap: 32px; }
  .service-orbit { width: 210px; height: 210px; justify-self: start; }
  .service-columns { margin-top: 55px; }
  .benefit-list { grid-template-columns: 1fr; }
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 16px; }
  .whatsapp-float { width: 52px; height: 52px; bottom: 18px; right: 18px; }
  .whatsapp-float svg { width: 28px; height: 28px; }
  .whatsapp-float .wa-label { display: none; }
}