/* Techno Flow Pump — single stylesheet, no frameworks */
:root {
  --ink: #0d2233;
  --ink-2: #3c4f5e;
  --muted: #6b7c89;
  --line: #e2e8ed;
  --bg: #ffffff;
  --bg-soft: #f4f7f9;
  --sea: #106c91;          /* matches the product banner background */
  --sea-dark: #0b4f6b;
  --accent: #c9581c;       /* from the logo swoosh, darkened for contrast */
  --accent-dark: #a8461a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(13, 34, 51, .06), 0 8px 24px rgba(13, 34, 51, .08);
  --wrap: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.65 var(--font); color: var(--ink-2); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sea); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3 { color: var(--ink); line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
svg { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.section { padding-block: clamp(56px, 8vw, 96px); }
.section.soft { background: var(--bg-soft); }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: .75rem; }
.lead { font-size: 1.125rem; max-width: 60ch; }
.head { max-width: 680px; margin-bottom: 40px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; z-index: 99; background: #fff; padding: 8px 12px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5em; padding: .8em 1.4em; border: 2px solid transparent; border-radius: 999px; font: 600 .95rem/1 var(--font); text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-ghost { border-color: currentColor; color: inherit; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--sea-dark); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo img { height: 46px; width: auto; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; color: var(--ink); font-weight: 500; text-decoration: none; }
.nav a:hover { background: var(--bg-soft); }
.nav a[aria-current="page"] { color: var(--accent); }
.nav .nav-cta, .nav .nav-cta[aria-current] { color: #fff; margin-left: 8px; padding: 10px 18px; border-radius: 999px; }
.nav .nav-cta:hover { background: var(--accent-dark); }
.form-actions { display: flex; }
.menu-btn { display: none; margin-left: auto; background: none; border: 0; padding: 8px; color: var(--ink); cursor: pointer; }
.menu-btn svg { width: 26px; height: 26px; }

/* Hero */
.hero { background: var(--sea); color: #e6f2f7; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: 32px; padding-block: clamp(48px, 7vw, 88px); }
.hero h1 { color: #fff; }
.hero .eyebrow { color: #ffc49c; }
.hero .lead { color: #d3e7ef; }
.hero img { width: 100%; transform: scale(1.12); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.page-head { background: var(--ink); color: #b9c8d3; padding-block: 48px 40px; }
.page-head h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0; }
.crumbs { font-size: .9rem; margin-bottom: 8px; }
.crumbs a { color: #ffc49c; }

/* Grids & cards */
.grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
a.card { text-decoration: none; color: inherit; }
a.card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(13, 34, 51, .14); }
.card .media { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.card .media.icon { display: grid; place-items: center; background: linear-gradient(135deg, var(--sea), var(--ink)); color: #fff; }
.card .media.icon svg { width: 64px; height: 64px; stroke-width: 1.4; }
.card .body { padding: 20px 22px 24px; flex: 1; }
.card .body p { margin: 0; font-size: .95rem; }
.more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 600; color: var(--accent); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow); }

.feature { display: flex; gap: 16px; }
.feature .ico { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: #fdeee5; color: var(--accent); flex: none; }
.feature h3 { margin-bottom: .3em; }
.feature p { margin: 0; font-size: .95rem; }

.ticks { list-style: none; padding: 0; margin: 0 0 1.5em; display: grid; gap: 10px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; }
.ticks svg { color: var(--accent); margin-top: .3em; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li { padding: 8px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--ink); font-weight: 500; font-size: .95rem; }

.steps { counter-reset: step; }
.steps .feature .ico::before { counter-increment: step; content: counter(step); font-weight: 700; font-size: 1.2rem; }

/* Product rows */
.product { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(28px, 5vw, 56px); align-items: center; padding-block: 48px; border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.product:last-child { border-bottom: 0; }
.product:nth-child(even) .product-media { order: 2; }
.product-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4 / 3; }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
/* the dosing banner is wide: show it whole on its own blue background */
img[src$="dosing-range.jpg"].media, .product-media img[src$="dosing-range.jpg"] { object-fit: contain; background: var(--sea); }
.product-media.icon { display: grid; place-items: center; background: linear-gradient(135deg, var(--sea), var(--ink)); color: #fff; }
.product-media.icon svg { width: 96px; height: 96px; stroke-width: 1.2; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; }
.toc a { padding: 8px 14px; border-radius: 999px; background: var(--bg-soft); color: var(--ink); text-decoration: none; font-weight: 500; font-size: .92rem; }
.toc a:hover { background: var(--line); }

/* CTA band */
.cta { background: linear-gradient(120deg, var(--accent), #e0813f); color: #fff; border-radius: 20px; padding: clamp(32px, 5vw, 56px); display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.cta h2 { color: #fff; margin-bottom: .25em; }
.cta p { margin: 0; color: #fff2ea; max-width: 56ch; }

/* Forms */
.form-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 36px); box-shadow: var(--shadow); }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); }
.form label span { font-weight: 400; color: var(--muted); }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 6px; font: 400 1rem var(--font); color: var(--ink); padding: 12px 14px; border: 1px solid #cdd7de; border-radius: 10px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.form textarea { min-height: 130px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 0; border-color: var(--sea); box-shadow: 0 0 0 3px rgba(16, 108, 145, .18); }
.hp { position: absolute; left: -9999px; }
.note { font-size: .88rem; color: var(--muted); margin: 0; }
.form-status { font-weight: 600; color: var(--sea-dark); }

/* Contact */
.info { display: grid; gap: 14px; }
.info-item { display: flex; gap: 14px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.info-item .ico { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 10px; background: #e3f0f5; color: var(--sea); flex: none; }
.info-item strong { display: block; color: var(--ink); }
.info-item a, .info-item span { color: var(--ink-2); text-decoration: none; overflow-wrap: anywhere; }
.map { border: 0; width: 100%; aspect-ratio: 16 / 7; border-radius: var(--radius); box-shadow: var(--shadow); display: block; min-height: 300px; }

/* Footer */
.site-footer { background: var(--ink); color: #9fb2c0; padding-top: 64px; font-size: .95rem; }
.site-footer .grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 1em; }
.site-footer a { color: #d6e1e8; text-decoration: none; }
.site-footer a:hover { color: #ffc49c; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer .logo-box { display: inline-block; background: #fff; border-radius: 10px; padding: 8px 12px; margin-bottom: 16px; }
.site-footer .logo-box img { height: 40px; width: auto; }
.contact-line { display: flex; gap: 10px; align-items: flex-start; }
.contact-line svg { margin-top: .3em; color: #ffc49c; }
.legal { margin-top: 48px; padding-block: 20px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; font-size: .85rem; }

/* Responsive */
@media (max-width: 900px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; inset: 72px 0 auto; flex-direction: column; gap: 0; padding: 8px 16px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav .nav-cta { margin: 14px 0 0; justify-content: center; border-bottom: 0; border-radius: 999px; }
  .hero .wrap, .split, .product, .form-layout { grid-template-columns: 1fr; }
  .hero img { transform: none; }
  .product:nth-child(even) .product-media { order: 0; }
  .site-footer .grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .form { grid-template-columns: 1fr; }
  .logo img { height: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}