:root {
  --navy: #0f2340;
  --navy-2: #17325a;
  --accent: #1a8f8a;
  --accent-dark: #127570;
  --ink: #1b2533;
  --muted: #5a6779;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 35, 64, 0.08);
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent-dark); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; color: var(--navy); }
h1, h2 { font-family: var(--serif); font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }

.container { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(780px, 100% - 32px); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; }

.eyebrow {
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .8em;
}

/* Buttons */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 8px;
  background: var(--accent); color: #fff; font-weight: 600; text-decoration: none;
  border: 2px solid var(--accent); font: inherit; font-weight: 600; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-alt); border-color: var(--navy); color: var(--navy); }
.btn-small { padding: 8px 16px; font-size: .92rem; }
.btn:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(26, 143, 138, .45); 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);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand-mark { width: 34px; height: 34px; color: var(--navy); }
.brand-text { font-weight: 700; font-size: 1.1rem; }
.brand-text span { font-weight: 500; color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .96rem; }
.nav-links a:not(.btn):hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #dfe7f2; padding: 96px 0 104px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -180px; top: -180px; width: 520px; height: 520px;
  border-radius: 50%; background: radial-gradient(circle, rgba(26,143,138,.35), transparent 70%);
}
.hero h1 { color: #fff; }
.hero .eyebrow { color: #6fd1cb; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 1; }
.lead { font-size: 1.15rem; max-width: 40em; color: #c9d5e5; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; color: #fff; }
.hero-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px; padding: 30px; backdrop-filter: blur(4px);
}
.hc-row { margin-bottom: 20px; }
.hc-label { display: block; font-size: .88rem; color: #c9d5e5; margin-bottom: 8px; }
.hc-bar { display: block; height: 8px; background: rgba(255,255,255,.12); border-radius: 99px; overflow: hidden; }
.hc-bar i { display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, #1a8f8a, #6fd1cb); border-radius: inherit; }
.hc-foot { margin: 8px 0 0; font-size: .9rem; color: #fff; font-weight: 500; }

/* Band */
.band { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 56px 0; }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.three h3 { margin-bottom: .4em; }
.three p { color: var(--muted); margin: 0; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }

/* Services */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.service {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 36px;
  background: #fff; box-shadow: var(--shadow);
}
.service > p { color: var(--muted); }
.service-icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(26,143,138,.1); color: var(--accent); margin-bottom: 20px;
}
.service-icon svg { width: 28px; height: 28px; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { position: relative; padding-left: 28px; margin-bottom: 10px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 8px;
  border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent);
  transform: rotate(-45deg);
}
.frameworks { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; justify-content: center; }
.frameworks span {
  border: 1px solid var(--line); border-radius: 99px; padding: 6px 16px;
  font-size: .88rem; font-weight: 500; color: var(--navy); background: #fff;
}

/* Industries */
.industry-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.industry {
  flex: 1 1 300px; max-width: calc((100% - 48px) / 3);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
@media (max-width: 960px) { .industry { max-width: calc((100% - 24px) / 2); } }
@media (max-width: 680px) { .industry { max-width: 100%; } }
.industry .service-icon { width: 46px; height: 46px; margin-bottom: 16px; }
.industry .service-icon svg { width: 24px; height: 24px; }
.industry h3 { margin-bottom: .4em; }
.industry p { color: var(--muted); font-size: .95rem; margin: 0; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.split > div > p:not(.eyebrow) { color: var(--muted); }
.benefits { list-style: none; padding: 0; margin: 0; }
.benefits li { padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.benefits li:first-child { padding-top: 0; }
.benefits strong { color: var(--navy); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: s; }
.steps li { border-top: 3px solid var(--accent); padding-top: 22px; }
.step-num { font-family: var(--serif); font-size: 1.9rem; font-weight: 700; color: var(--line); display: block; margin-bottom: 6px; }
.steps p { color: var(--muted); margin: 0; }

/* Tiers */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.tier {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; display: flex; flex-direction: column; position: relative;
}
.tier .checks { flex: 1; margin-bottom: 26px; }
.tier .btn { text-align: center; }
.tier-sub { color: var(--muted); margin-bottom: 1.4em; }
.tier-featured { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.tier-tag {
  position: absolute; top: -13px; left: 34px; background: var(--accent); color: #fff;
  font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 99px; margin: 0;
}

/* FAQ */
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative;
  font-weight: 600; color: var(--navy); font-size: 1.05rem;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--accent); transition: transform .2s;
}
details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details p { color: var(--muted); padding-bottom: 14px; margin: 0; }

/* Contact */
.contact { background: var(--navy); color: #c9d5e5; }
.contact h2 { color: #fff; }
.contact .eyebrow { color: #6fd1cb; }
.contact .split > div > p:not(.eyebrow) { color: #c9d5e5; }
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; }
.contact-list li { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; color: #fff; }
.contact-list svg { width: 22px; height: 22px; color: #6fd1cb; flex: none; }
.contact-list a { color: #fff; }
.contact-form { background: #fff; border-radius: 16px; padding: 34px; color: var(--ink); box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--navy); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; padding: 11px 14px; border: 1px solid #cdd5df; border-radius: 8px;
  background: #fff; color: var(--ink);
}
.field textarea { resize: vertical; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #c0392b; }
.contact-form .btn { width: 100%; }
.contact-form .btn:disabled { opacity: .7; cursor: wait; }
.recaptcha-note { margin: 10px 0 0; font-size: .78rem; color: var(--muted); line-height: 1.5; }
.recaptcha-note a { color: var(--muted); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note { margin: 12px 0 0; font-size: .9rem; color: var(--muted); min-height: 1.4em; }

/* Footer */
.site-footer { background: #0a182d; color: #8d9bb0; padding: 48px 0; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 20px 40px; align-items: start; }
.footer-brand { color: #fff; font-weight: 600; margin-bottom: 4px; }
.site-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer a { color: #c9d5e5; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.copyright { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; margin: 8px 0 0; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .tiers { grid-template-columns: 1fr; max-width: 520px; }
  .hero-card { max-width: 480px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 14px; text-align: center; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .three, .service-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .brand-text span { display: none; }
  .hero { padding: 64px 0 72px; }
  .section { padding: 68px 0; }
  .steps { grid-template-columns: 1fr; }
  .service, .tier, .contact-form { padding: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}