/* =========================================================
   Ozmotics shared stylesheet
   Used by every page on the site.
   ========================================================= */

:root {
  /* Logo-led blues */
  --blue-900: #0B3A5B;
  --blue-700: #155A88;
  --blue-600: #1F7BB8;
  --blue-500: #2E95D1;
  --blue-300: #7CC4E5;
  --blue-100: #DEEEF7;

  /* Environmental green accents */
  --green-700: #2E7D4F;
  --green-600: #3F9D6A;
  --green-500: #5BB783;
  --green-100: #E3F4EA;

  /* Clean water / neutrals */
  --aqua-50:  #F2FAFC;
  --paper:    #FFFFFF;
  --ink:      #122430;
  --ink-soft: #45586A;
  --line:     #DCE7EE;

  --shadow-sm: 0 1px 2px rgba(11, 58, 91, .08);
  --shadow-md: 0 6px 18px rgba(11, 58, 91, .10);
  --shadow-lg: 0 18px 40px rgba(11, 58, 91, .14);

  --radius: 10px;
  --radius-lg: 16px;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-700); text-decoration: none; }
a:hover { color: var(--blue-600); }

h1, h2, h3, h4 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  letter-spacing: -.01em;
  color: var(--blue-900);
  margin: 0 0 .5em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; font-family: "Inter", sans-serif; letter-spacing: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top utility bar ---------- */
.topbar { background: var(--blue-900); color: #cfe2ee; font-size: .85rem; }
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 8px; padding-bottom: 8px;
}
.topbar a { color: #cfe2ee; }
.topbar a:hover { color: #fff; }
.topbar .left span { margin-right: 18px; }

/* ---------- Header / Nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; gap: 24px;
}
.brand img { height: 71px; width: 250px; }
.nav ul {
  list-style: none; display: flex; gap: 6px;
  margin: 0; padding: 0; align-items: center;
}
.nav ul li > a, .nav ul li > button {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  font-weight: 500; color: var(--ink);
  border-radius: 8px; background: transparent;
  border: 0; font-size: .98rem;
  cursor: pointer; font-family: inherit;
}
.nav ul li > a:hover, .nav ul li > button:hover {
  background: var(--blue-100); color: var(--blue-700);
}
.nav ul li > a.active,
.nav ul li > button.active { color: var(--blue-700); background: var(--blue-100); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 280px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 10px; display: none;
  grid-template-columns: 1fr 1fr; gap: 2px;
}
.dropdown::before {
  content: ""; position: absolute;
  left: 0; right: 0; bottom: 100%;
  height: 12px;
  background: transparent;
}
.dropdown a {
  display: block; padding: 9px 12px;
  border-radius: 6px; color: var(--ink); font-size: .92rem;
}
.dropdown a:hover { background: var(--blue-100); color: var(--blue-700); }
.dropdown a.active { background: var(--green-100); color: var(--green-700); font-weight: 600; }
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { display: grid; }
.caret { width: 10px; height: 10px; }

.nav ul li > a.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  background: var(--green-600); color: #fff;
  border-radius: 999px; font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, background .15s ease;
  margin-left: 8px;
}
.nav ul li > a.nav-cta:hover {
  background: var(--green-700); color: #fff; transform: translateY(-1px);
}

.menu-toggle {
  display: none; background: transparent;
  border: 0; padding: 8px; cursor: pointer;
}
.menu-toggle svg { width: 28px; height: 28px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 600;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  cursor: pointer; border: 0;
  font-family: inherit; font-size: 1rem;
}
.btn-primary {
  background: var(--green-600); color: #fff !important;
  box-shadow: 0 6px 18px rgba(46,125,79,.35);
}
.btn-primary:hover { background: var(--green-700); transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,.08); color: #fff !important;
  border: 1px solid rgba(255,255,255,.35);
}
.btn-ghost:hover { background: rgba(255,255,255,.16); }

/* ---------- HOMEPAGE HERO ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(91,183,131,.45), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(124,196,229,.45), transparent 60%),
    linear-gradient(135deg, #0B3A5B 0%, #155A88 45%, #2E7D4F 110%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.06) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 70%, rgba(255,255,255,.05) 0 3px, transparent 4px),
    radial-gradient(circle at 40% 80%, rgba(255,255,255,.05) 0 2px, transparent 3px),
    radial-gradient(circle at 85% 25%, rgba(255,255,255,.07) 0 2px, transparent 3px);
  background-size: 600px 600px; pointer-events: none;
}
.hero .container {
  position: relative; z-index: 2;
  padding-top: 90px; padding-bottom: 120px;
  display: grid; grid-template-columns: 1.2fr .8fr;
  gap: 60px; align-items: center;
}
.hero h1 { color: #fff; }
.hero p.lede {
  font-size: 1.15rem; color: #DCEAF3;
  max-width: 560px; margin: 0 0 32px;
}
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.eyebrow-pill {
  display: inline-block;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  padding: 6px 12px; border-radius: 999px;
  font-size: .82rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: 22px;
  color: #fff;
}

/* Hero visual: animated bubbles */
.hero-visual { position: relative; height: 360px; }
.bubble {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.85), rgba(124,196,229,.25) 55%, rgba(124,196,229,0) 70%);
  box-shadow: inset 0 0 14px rgba(255,255,255,.4);
  animation: rise linear infinite; opacity: .85;
}
.bubble.b1 { width: 120px; height: 120px; left: 8%;  bottom: -120px; animation-duration: 12s; }
.bubble.b2 { width: 70px;  height: 70px;  left: 35%; bottom: -120px; animation-duration: 9s;  animation-delay: 2s; }
.bubble.b3 { width: 160px; height: 160px; left: 55%; bottom: -160px; animation-duration: 14s; animation-delay: 1s; }
.bubble.b4 { width: 50px;  height: 50px;  left: 78%; bottom: -120px; animation-duration: 7s;  animation-delay: 3s; }
.bubble.b5 { width: 95px;  height: 95px;  left: 20%; bottom: -120px; animation-duration: 11s; animation-delay: 4s; }
.bubble.b6 { width: 40px;  height: 40px;  left: 88%; bottom: -120px; animation-duration: 8s;  animation-delay: 5s; }
@keyframes rise {
  0%   { transform: translateY(0)    translateX(0);    opacity: 0; }
  15%  { opacity: .8; }
  50%  { transform: translateY(-220px) translateX(20px); }
  100% { transform: translateY(-460px) translateX(-10px); opacity: 0; }
}

/* Wave divider */
.wave {
  position: absolute; left: 0; right: 0; bottom: -1px;
  width: 100%; height: 90px; z-index: 2;
}

/* ---------- SECONDARY HERO (subpages) ---------- */
.hero-sub {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 500px at 90% -20%, rgba(91,183,131,.45), transparent 60%),
    radial-gradient(700px 400px at 0% 120%, rgba(124,196,229,.45), transparent 60%),
    linear-gradient(135deg, #0B3A5B 0%, #155A88 50%, #2E7D4F 130%);
}
.hero-sub::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.06) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.05) 0 3px, transparent 4px),
    radial-gradient(circle at 40% 80%, rgba(255,255,255,.05) 0 2px, transparent 3px);
  background-size: 600px 600px; pointer-events: none;
}
.hero-sub .container {
  position: relative; z-index: 2;
  padding-top: 70px; padding-bottom: 90px;
  max-width: 880px; text-align: center;
}
.hero-sub h1 { color: #fff; }
.hero-sub p.lede {
  font-size: 1.1rem; color: #DCEAF3;
  max-width: 720px; margin: 0 auto;
}

/* Solution-page hero (two-column with motif) */
.hero-solution {
  position: relative; overflow: hidden; color: #fff;
}
.hero-solution::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.06) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.05) 0 3px, transparent 4px),
    radial-gradient(circle at 40% 80%, rgba(255,255,255,.05) 0 2px, transparent 3px);
  background-size: 600px 600px; pointer-events: none;
}
.hero-solution .container {
  position: relative; z-index: 2;
  padding-top: 70px; padding-bottom: 110px;
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 48px; align-items: center;
}
.hero-solution h1 { color: #fff; font-size: clamp(2rem, 3.8vw, 3rem); }
.hero-solution p.lede {
  font-size: 1.08rem; color: #DCEAF3;
  max-width: 560px; margin: 0 0 28px;
}
.hero-solution .motif {
  position: relative; height: 320px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.18);
  overflow: hidden;
}
.hero-solution .motif svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Topic tints (overlay on the base solution gradient) */
.topic-water     { background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.55), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #155A88 55%, #1F7BB8 130%); }
.topic-wastewater{ background: radial-gradient(900px 500px at 85% -20%, rgba(91,183,131,.45), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #155A88 50%, #2E7D4F 130%); }
.topic-aquaculture{ background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.5), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #1F7BB8 55%, #3F9D6A 130%); }
.topic-pools     { background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.6), transparent 60%), linear-gradient(135deg, #155A88 0%, #2E95D1 60%, #5BB783 130%); }
.topic-food      { background: radial-gradient(900px 500px at 85% -20%, rgba(91,183,131,.55), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #2E7D4F 60%, #5BB783 130%); }
.topic-agriculture{ background: radial-gradient(900px 500px at 85% -20%, rgba(91,183,131,.6), transparent 60%), linear-gradient(135deg, #155A88 0%, #3F9D6A 50%, #2E7D4F 130%); }
.topic-livestock { background: radial-gradient(900px 500px at 85% -20%, rgba(91,183,131,.5), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #2E7D4F 60%, #3F9D6A 130%); }
.topic-healthcare{ background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.55), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #155A88 55%, #2E95D1 130%); }
.topic-laundry   { background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.45), transparent 60%), linear-gradient(135deg, #155A88 0%, #2E95D1 60%, #5BB783 130%); }
.topic-cosmetics { background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.5), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #155A88 60%, #1F7BB8 130%); }
.topic-air       { background: radial-gradient(900px 500px at 85% -20%, rgba(91,183,131,.45), transparent 60%), linear-gradient(135deg, #155A88 0%, #2E7D4F 60%, #3F9D6A 130%); }
.topic-lab       { background: radial-gradient(900px 500px at 85% -20%, rgba(124,196,229,.45), transparent 60%), linear-gradient(135deg, #0B3A5B 0%, #155A88 50%, #1F7BB8 130%); }

/* ---------- Trust strip ---------- */
.trust {
  background: var(--aqua-50);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.trust-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.trust-row:has(p) {
  justify-content: center;
  text-align: center;
  gap: 14px;
}
.trust-row p {
  margin: 0; color: var(--ink-soft); font-size: .98rem;
  flex: 1 0 100%;
}
.trust-row strong { color: var(--blue-900); }
.trust-row .pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 14px;
  font-size: .85rem; color: var(--ink-soft);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-500); display: inline-block; }

/* ---------- Block sections ---------- */
section.block { padding: 88px 0; }
section.block.alt { background: var(--aqua-50); }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow {
  color: var(--green-700); font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  font-size: .8rem; margin-bottom: 12px; display: inline-block;
}
.section-head p { color: var(--ink-soft); font-size: 1.08rem; margin: 0; }

/* Feature row (homepage What is ozone) */
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.feature-row .visual {
  aspect-ratio: 4 / 3; border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.5), transparent 50%),
    linear-gradient(135deg, #DEEEF7 0%, #E3F4EA 100%);
  box-shadow: var(--shadow-md);
  position: relative; overflow: hidden;
}
.feature-row .visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.feature-row h2 { margin-top: 0; }
.feature-row p { color: var(--ink-soft); font-size: 1.05rem; }
.feature-row ul.checks { list-style: none; padding: 0; margin: 24px 0 0; }
.feature-row ul.checks li {
  padding: 10px 0 10px 36px; position: relative;
  color: var(--ink); font-weight: 500;
}
.feature-row ul.checks li::before {
  content: ""; position: absolute; left: 0; top: 11px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--green-100);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path fill='none' stroke='%232E7D4F' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round' d='M4.5 10.5l3.5 3.5 7.5-8'/></svg>");
  background-repeat: no-repeat; background-position: center; background-size: 14px 14px;
}

/* ---------- Solution cards grid ---------- */
.solutions-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.solutions-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.solutions-grid.cols-2 { grid-template-columns: repeat(2, 1fr); max-width: 800px; }

.sol-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column; gap: 14px;
}
.sol-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-300);
}
.sol-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-100), var(--green-100));
  display: grid; place-items: center; color: var(--blue-700);
}
.sol-icon svg { width: 26px; height: 26px; }
.sol-card h3 { margin: 0; color: var(--blue-900); font-size: 1.12rem; }
.sol-card p { margin: 0; color: var(--ink-soft); font-size: .96rem; }
.sol-card .more {
  margin-top: auto;
  font-size: .9rem; font-weight: 600;
  color: var(--blue-700);
}
.sol-card .more::after { content: " >"; }

.grid-cta { text-align: center; margin-top: 44px; }

/* ---------- Why us ---------- */
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.why-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 26px; border: 1px solid var(--line);
}
.why-card .num {
  display: inline-block;
  font-family: "Source Serif 4", serif; font-weight: 700;
  color: var(--green-600); font-size: 1.6rem;
  margin-bottom: 8px;
}
.why-card h3 { color: var(--blue-900); margin-bottom: 8px; }
.why-card p { color: var(--ink-soft); margin: 0; font-size: .95rem; }

/* ---------- Process strip ---------- */
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px;
  position: relative;
}
.step .step-num {
  position: absolute; top: -16px; left: 24px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue-700); color: #fff;
  font-weight: 700; display: grid; place-items: center;
  box-shadow: var(--shadow-sm);
}
.step h3 { margin: 8px 0 8px; color: var(--blue-900); }
.step p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

/* ---------- Solutions hub categories ---------- */
.intro { padding: 64px 0 24px; text-align: center; }
.intro h2 { margin: 0 0 12px; }
.intro p {
  color: var(--ink-soft); font-size: 1.08rem;
  max-width: 760px; margin: 0 auto;
}
section.category { padding: 48px 0; }
section.category.alt { background: var(--aqua-50); }
.cat-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  margin-bottom: 28px; border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
.cat-head .left { max-width: 720px; }
.cat-head h2 {
  margin: 0 0 6px;
  display: flex; align-items: center; gap: 14px;
}
.cat-head h2 .chip {
  display: inline-block; width: 10px; height: 10px;
  border-radius: 50%; background: var(--blue-600);
}
.cat-head.water  h2 .chip { background: var(--blue-600); }
.cat-head.food   h2 .chip { background: var(--green-600); }
.cat-head.health h2 .chip { background: #C56A8B; }
.cat-head.air    h2 .chip { background: #E0A341; }
.cat-head p { margin: 0; color: var(--ink-soft); font-size: 1rem; }
.cat-head .count {
  font-family: "Inter", sans-serif; font-size: .82rem;
  color: var(--ink-soft); letter-spacing: .08em;
  text-transform: uppercase; white-space: nowrap;
}

/* ---------- Helper / not-sure block ---------- */
.helper {
  margin: 64px 0 0; padding: 36px 40px;
  background: linear-gradient(135deg, var(--blue-100), var(--green-100));
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.helper h3 {
  color: var(--blue-900); margin: 0 0 6px;
  font-family: "Source Serif 4", serif; font-size: 1.4rem;
}
.helper p { margin: 0; color: var(--ink-soft); max-width: 560px; }

/* ---------- Solution-page sections ---------- */
.problem-row {
  display: grid; grid-template-columns: 1.1fr .9fr;
  gap: 56px; align-items: center;
}
.problem-row h2 { margin: 0 0 14px; }
.problem-row p { color: var(--ink-soft); font-size: 1.05rem; }
.problem-row .stat-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-sm);
}
.problem-row .stat-card .label {
  font-size: .8rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-soft); font-weight: 600;
}
.problem-row .stat-card h3 {
  font-family: "Source Serif 4", serif;
  font-size: 1.6rem; color: var(--blue-900);
  margin: 4px 0 12px; font-weight: 700;
}
.problem-row .stat-card p {
  margin: 0; font-size: .96rem; color: var(--ink-soft);
}
.problem-row .stat-card .divider {
  height: 1px; background: var(--line); margin: 18px 0;
}

/* Benefits grid */
.benefits {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 20px; max-width: 980px; margin: 0 auto;
}
.benefit {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 26px;
  display: flex; gap: 18px;
}
.benefit .b-icon {
  flex: 0 0 44px; height: 44px;
  border-radius: 10px; color: var(--green-700);
  background: var(--green-100);
  display: grid; place-items: center;
}
.benefit .b-icon svg { width: 22px; height: 22px; }
.benefit h3 { margin: 0 0 6px; color: var(--blue-900); font-size: 1.05rem; }
.benefit p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

/* Use cases */
.use-cases {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.use-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px;
}
.use-card .tag {
  display: inline-block; padding: 4px 10px;
  background: var(--blue-100); color: var(--blue-700);
  border-radius: 999px; font-size: .78rem;
  font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 12px;
}
.use-card h3 { color: var(--blue-900); margin: 0 0 8px; font-size: 1.08rem; }
.use-card p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

/* Solution nav (related solutions strip at bottom) */
.related { padding: 64px 0 88px; }
.related h3 { font-family: "Source Serif 4", serif; font-size: 1.4rem; margin-bottom: 20px; }
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.related-card {
  display: block; padding: 18px 20px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 600; color: var(--blue-700);
  transition: border-color .15s ease, transform .15s ease;
}
.related-card:hover {
  border-color: var(--blue-300); transform: translateY(-2px);
}
.related-card span {
  display: block; font-size: .82rem; color: var(--ink-soft);
  font-weight: 400; margin-top: 4px;
}

/* ---------- Products page ---------- */
.product-family {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid; grid-template-columns: 240px 1fr; gap: 32px;
  align-items: start;
}
section.block.alt .product-family { background: #fff; }
.product-family .visual {
  height: 200px; border-radius: var(--radius);
  background: var(--aqua-50);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  padding: 12px;
  position: relative; overflow: hidden;
}
.product-family .visual svg { width: 80%; height: auto; }
.product-family .visual img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
}
.product-family h2 { margin: 0 0 8px; }
.product-family .tagline {
  color: var(--ink-soft); margin: 0 0 16px;
  font-size: 1.02rem;
}
.product-family .meta {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px;
}
.product-family .meta .pill {
  background: var(--blue-100); color: var(--blue-700);
  border-radius: 999px; padding: 5px 14px;
  font-size: .82rem; font-weight: 600;
  border: 0;
}
.product-family .meta .pill.green {
  background: var(--green-100); color: var(--green-700);
}
.spec-table {
  width: 100%; border-collapse: collapse;
  font-size: .94rem; margin-top: 4px;
}
.spec-table th, .spec-table td {
  text-align: left; padding: 11px 14px;
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  font-size: .76rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-soft);
  font-weight: 700;
}
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table .model {
  font-weight: 700; color: var(--blue-900);
}
.spec-table .output { color: var(--green-700); font-weight: 600; }
.spec-table .note { color: var(--ink-soft); font-size: .9rem; }

.product-stack {
  display: flex; flex-direction: column; gap: 24px;
}

/* Sizing helper card */
.sizing-helper {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px; align-items: center;
}
.sizing-helper h3 {
  font-family: "Source Serif 4", serif;
  font-size: 1.6rem; color: var(--blue-900);
  margin: 0 0 10px;
}
.sizing-helper p { margin: 0; color: var(--ink-soft); }
.sizing-helper .ranges { display: grid; gap: 12px; }
.sizing-helper .range {
  display: flex; justify-content: space-between;
  align-items: center; gap: 16px;
  padding: 14px 18px;
  background: var(--aqua-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.sizing-helper .range b { color: var(--blue-900); }
.sizing-helper .range span.use { color: var(--ink-soft); font-size: .92rem; }

@media (max-width: 980px) {
  .product-family { grid-template-columns: 1fr; }
  .product-family .visual { height: 140px; }
  .sizing-helper { grid-template-columns: 1fr; }
}

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1.5fr 1fr;
  gap: 56px; align-items: start;
}
.contact-form { display: grid; gap: 18px; }
.contact-form .row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.field label {
  display: block; font-weight: 600;
  margin-bottom: 6px; color: var(--blue-900);
  font-size: .94rem;
}
.field label .req { color: var(--green-700); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--radius);
  font-family: inherit; font-size: 1rem;
  background: #fff; color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(31,123,184,.18);
}
.field textarea { min-height: 140px; resize: vertical; line-height: 1.55; }
.honeypot {
  position: absolute; left: -9999px; top: -9999px;
  height: 0; width: 0; overflow: hidden;
}
.contact-form .submit { margin-top: 8px; }
.form-message {
  background: #FBE9E9; color: #8C1F1F;
  border: 1px solid #F1B8B8;
  padding: 14px 18px; border-radius: var(--radius);
  margin-bottom: 8px;
}
.contact-info {
  background: var(--aqua-50);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-info h3 {
  font-family: "Source Serif 4", serif;
  color: var(--blue-900); margin: 0 0 16px;
  font-size: 1.4rem;
}
.contact-info .info-row { margin-bottom: 16px; font-size: .96rem; }
.contact-info .info-row .label {
  display: block; font-size: .76rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-soft); font-weight: 700;
  margin-bottom: 4px;
}
.contact-info .info-row a { color: var(--blue-700); font-weight: 600; }
.contact-info hr {
  border: 0; border-top: 1px solid var(--line);
  margin: 22px 0;
}
.contact-info h4 {
  font-family: "Inter", sans-serif;
  font-size: .78rem; letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-900); margin: 0 0 10px;
}
.contact-info ol {
  padding-left: 22px; margin: 0;
  color: var(--ink-soft); font-size: .94rem;
}
.contact-info ol li { padding: 5px 0; }

/* Thanks page */
.thanks-block {
  padding: 96px 0;
  text-align: center;
}
.thanks-block .icon {
  width: 72px; height: 72px;
  border-radius: 50%; background: var(--green-100);
  color: var(--green-700);
  display: grid; place-items: center;
  margin: 0 auto 24px;
}
.thanks-block .icon svg { width: 36px; height: 36px; }
.thanks-block h1 { margin: 0 0 16px; }
.thanks-block p {
  color: var(--ink-soft); font-size: 1.08rem;
  max-width: 560px; margin: 0 auto 32px;
}

@media (max-width: 980px) {
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form .row { grid-template-columns: 1fr; }
}

/* ---------- CTA Band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background:
    radial-gradient(800px 400px at 90% 50%, rgba(91,183,131,.55), transparent 60%),
    linear-gradient(135deg, #0B3A5B 0%, #1F7BB8 100%);
  color: #fff; padding: 72px 0;
}
.cta-band .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin: 0 0 8px; }
.cta-band p { color: #d8e9f4; margin: 0; max-width: 600px; font-size: 1.05rem; }

/* ---------- Footer ---------- */
footer.site {
  background: #0A2E48; color: #c9d6df;
  padding: 64px 0 24px; font-size: .94rem;
}
footer.site a { color: #c9d6df; }
footer.site a:hover { color: #fff; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
footer.site h4 {
  color: #fff; font-family: "Inter", sans-serif;
  font-size: .85rem; letter-spacing: .14em;
  text-transform: uppercase; margin: 0 0 16px;
}
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site ul li { padding: 4px 0; }
.footer-brand img {
  height: auto; width: 320px; max-width: 100%;
  margin-bottom: 16px;
}
.footer-brand p { color: #9bb1bf; font-size: .92rem; max-width: 320px; }
.legal {
  border-top: 1px solid #1a4762; margin-top: 48px;
  padding-top: 20px;
  display: flex; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  color: #88a0ae; font-size: .85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .solutions-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .use-cases { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 100px; }
  .hero-visual { height: 220px; }
  .hero-solution .container { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 90px; }
  .hero-solution .motif { height: 240px; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .problem-row { grid-template-columns: 1fr; gap: 32px; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav ul.primary { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 560px) {
  .solutions-grid, .solutions-grid.cols-4, .solutions-grid.cols-2 { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .use-cases, .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar .container { flex-direction: column; gap: 4px; align-items: flex-start; }
  section.block { padding: 64px 0; }
  .helper { flex-direction: column; align-items: flex-start; padding: 28px; }
}