:root {
  /* EcoT3ch brand palette */
  --navy: #082b50;       /* Deep Navy: primary, headings, navigation */
  --teal: #00a884;       /* Emerald Teal: sustainability, automation, positive states */
  --blue: #1687f8;       /* Electric Blue: technology, links, buttons */
  --white: #f4f8fb;      /* Cool White */
  --charcoal: #172533;   /* Charcoal: body text */
  --blue-gray: #dce7ef;  /* Soft Blue Gray: borders, cards, dividers */

  --bg: #ffffff;
  --bg-alt: var(--white);
  --ink: var(--charcoal);
  --heading: var(--navy);
  --muted: #4b5d70;
  --line: var(--blue-gray);
  --brand: var(--teal);
  --brand-ink: #00866a;
  --accent: var(--blue);
  --hero-from: #082b50;
  --hero-to: #04182e;
  --on-dark: #c9d8e6;    /* body text on navy */
  --card: #ffffff;
  --radius: 14px;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'Inter', system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #04182e;
    --bg-alt: #061f3a;
    --ink: #e6eef6;
    --heading: #ffffff;
    --muted: #9fb3c8;
    --line: #12355c;
    --brand-ink: #2fd3ab;
    --card: #072645;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
a { color: inherit; }
h1, h2, h3 { color: var(--heading); font-family: var(--display); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.8rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -.01em; max-width: 22ch; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }

/* Buttons */
.btn { display: inline-block; background: var(--blue); color: #fff; font-weight: 600; text-decoration: none; padding: 13px 24px; border-radius: 999px; border: 0; cursor: pointer; font: 600 1rem var(--body); transition: transform .15s, background .15s; }
.btn:hover { background: #0f74d9; transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: .9rem; }
.btn-ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }

/* Logo: shield plus wordmark, the "3" in Electric Blue */
.logo { display: inline-flex; align-items: center; gap: 10px; font: 800 1.5rem 'Exo 2', var(--display); text-decoration: none; letter-spacing: -.01em; color: #fff; }
.logo img { width: 38px; height: 38px; }
.logo b { color: var(--blue); font-weight: inherit; }

/* Navigation */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(8,43,80,.95); backdrop-filter: blur(10px); color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.nav-links { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav-links a { text-decoration: none; font-size: .95rem; opacity: .85; }
.nav-links a:hover { opacity: 1; }
.nav-links .btn { opacity: 1; }
.lang { border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 5px 10px; font: 600 .8rem var(--body); text-decoration: none; }
.lang:hover { background: rgba(255,255,255,.08); }
.nav-links a[aria-current="page"] { opacity: 1; box-shadow: inset 0 -2px 0 var(--teal); }
.menu { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: transform .2s; }

/* Hero */
.hero { background: radial-gradient(1000px 500px at 85% -10%, rgba(0,168,132,.30), transparent 60%), radial-gradient(800px 500px at 0% 110%, rgba(22,135,248,.28), transparent 60%), linear-gradient(160deg, var(--hero-from), var(--hero-to)); color: #fff; padding: 96px 0 72px; }
.hero h1 { max-width: 18ch; }
.hero h1, .page-hero h1, .cta-band h2, .page-404 h1 { color: #fff; }
.hero .lead { color: var(--on-dark); max-width: 60ch; font-size: 1.15rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 56px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 600; color: var(--brand-ink); margin-bottom: 14px; }
.hero .eyebrow { color: #3ddbb4; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; }
.facts li { background: rgba(4,24,46,.55); padding: 20px; }
.facts strong { display: block; font: 600 1.3rem var(--display); }
.facts span { color: #9fb3c8; font-size: .9rem; }

/* Sections */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
.lead { color: var(--muted); font-size: 1.1rem; }

/* Page hero (service, contact and legal pages) */
.page-hero { background: radial-gradient(900px 400px at 90% -20%, rgba(0,168,132,.28), transparent 60%), linear-gradient(160deg, var(--hero-from), var(--hero-to)); color: #fff; padding: 72px 0 56px; }
.page-hero h1 { max-width: 24ch; font-size: clamp(2rem, 4.4vw, 3.2rem); }
.page-hero .lead { color: var(--on-dark); max-width: 62ch; }
.page-hero .hero-cta { margin: 28px 0 0; }
.page-hero .eyebrow { color: #3ddbb4; display: flex; align-items: center; gap: 10px; }
.page-hero .eyebrow svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Build / Protect / Operate */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.pillar { background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--teal); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.pillar:nth-child(2) { border-top-color: var(--blue); }
.pillar:nth-child(3) { border-top-color: var(--navy); }
.pillar:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(8,43,80,.10); }
.pillar svg { width: 44px; height: 44px; padding: 9px; border-radius: 10px; background: rgba(0,168,132,.12); fill: none; stroke: var(--brand-ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 16px; }
.pillar-tag { font: 700 .8rem var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin: 0 0 4px; }
.pillar p { color: var(--muted); }
.pillar ul { margin: 0 0 20px; padding-left: 18px; color: var(--muted); font-size: .95rem; }
.pillar li::marker { color: var(--teal); }
.more { margin-top: auto; color: var(--blue); font-weight: 600; text-decoration: none; }
.more:hover { text-decoration: underline; }

/* Why */
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.why { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.why li { border-top: 2px solid var(--brand); padding-top: 16px; }
.why p { color: var(--muted); margin: 0; }

/* Trust: frameworks, platforms, coverage, industries */
.trust { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 48px; margin-top: 36px; }
/* Certification badges */
.certs-block { margin-top: 36px; }
.certs-label { font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--brand-ink); margin: 18px 0 10px; }
.certs { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; }
.cert { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; }
.cert.pathway { border-top-color: var(--teal); }
.cert small { font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.cert strong { font: 700 1.25rem var(--display); color: var(--heading); margin: 2px 0; }
.cert span { font-size: .85rem; color: var(--muted); line-height: 1.35; }
.certs-block h3, .trust h3 { font-size: 1rem; color: var(--muted); font-family: var(--body); font-weight: 600; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 8px 16px; font-weight: 500; font-size: .93rem; }

/* Process */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.steps span { font: 700 1.6rem var(--display); color: var(--brand); display: block; margin-bottom: 8px; }
.steps p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Service page parts */
.deliver { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.deliver article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.deliver p { color: var(--muted); margin: 0; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 34px; font-size: 1.05rem; }
.checks li::before { content: ''; position: absolute; left: 0; top: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 14px no-repeat; }
.narrow { max-width: 780px; }
.faq { margin-top: 24px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font: 600 1.08rem var(--display); color: var(--heading); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--blue); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq p { color: var(--muted); margin: 12px 0 0; }

/* Call-to-action band at the end of each page */
.cta-band { background: radial-gradient(700px 300px at 100% 0, rgba(22,135,248,.30), transparent 60%), linear-gradient(160deg, var(--hero-from), var(--hero-to)); color: #fff; padding: 64px 0; }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { margin-bottom: 8px; }
.cta-band p { color: var(--on-dark); margin: 0; max-width: 60ch; }

/* Contact page */
.next { padding-left: 20px; color: var(--muted); }
.next li { margin-bottom: 10px; }
.next li::marker { color: var(--teal); font-weight: 700; }
.contact-line a { color: var(--blue); font: 600 1.2rem var(--display); text-decoration: none; }
.muted { color: var(--muted); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; background: var(--card); border: 1px solid var(--line); padding: 28px; border-radius: var(--radius); box-shadow: 0 12px 30px rgba(8,43,80,.08); }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: .88rem; font-weight: 500; color: var(--muted); }
.form .full { grid-column: 1 / -1; }
.split > *, .form label { min-width: 0; }
.form select { width: 100%; text-overflow: ellipsis; }
.form input, .form select, .form textarea { font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.form .note { color: var(--muted); font-size: .82rem; margin: 0; }
.form .note a { color: var(--blue); }

/* Legal pages */
.prose h2 { font-size: 1.3rem; margin-top: 32px; }
.prose p { color: var(--muted); }
.prose a { color: var(--blue); }

/* Footer */
.footer { background: #03142a; color: #9fb3c8; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer .logo { color: #fff; margin-bottom: 14px; }
.footer h2 { color: #fff; font: 600 .85rem var(--body); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer a { text-decoration: none; }
.footer a:hover { color: #fff; }
.footer p { max-width: 40ch; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 36px; padding-top: 20px; font-size: .85rem; }

/* 404 page */
.page-404 { min-height: 100vh; display: flex; align-items: center; }
.page-404 h1 { margin-top: 32px; }

/* Tablet */
@media (max-width: 980px) {
  .certs { grid-template-columns: repeat(4, 1fr); }
  .pillars, .deliver { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .trust { grid-template-columns: 1fr; }
}
/* Phone */
@media (max-width: 760px) {
  .certs { grid-template-columns: 1fr 1fr; }
  .menu { display: block; }
  .lang { margin-left: auto; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy); padding: 8px 16px 20px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-links a[aria-current="page"] { box-shadow: none; color: #3ddbb4; }
  .nav-links .btn { margin-top: 12px; text-align: center; border: 0; }
  .menu[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { padding: 64px 0 48px; }
  .page-hero { padding: 48px 0 40px; }
  .section { padding: 64px 0; }
  .pillars, .deliver, .steps, .why, .form, .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}