:root {
  --ink: #111111;
  --muted: #53616a;
  --line: #dbe4e6;
  --paper: #ffffff;
  --wash: #f4fbfb;
  --cyan: #00c2cb;
  --cyan-dark: #087b80;
  --cyan-deep: #075e62;
  --shadow: 0 18px 45px rgba(11, 50, 54, 0.10);
  --radius: 24px;
  --radius-sm: 14px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  background: var(--ink);
  color: #fff;
  padding: .75rem 1rem;
  border-radius: 10px;
}
.skip-link:focus { top: 1rem; }

.shell { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219,228,230,.85);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
  min-width: 0;
}
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: .95rem; letter-spacing: .01em; }
.brand-copy span { color: var(--cyan-dark); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: .65rem .8rem;
  cursor: pointer;
}
.site-nav { display: flex; align-items: center; gap: 1.15rem; }
.site-nav a { text-decoration: none; font-weight: 700; font-size: .93rem; }
.site-nav a:not(.button):hover, .site-nav a:not(.button):focus-visible { color: var(--cyan-dark); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 46px;
  padding: .72rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(17,17,17,.14); }
.button-accent { background: var(--cyan); border-color: var(--cyan); color: #042f31; }
.button-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.button-small { min-height: 40px; padding: .58rem .9rem; font-size: .88rem; }

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(4rem, 7vw, 6.5rem);
  background:
    radial-gradient(circle at 85% 10%, rgba(0,194,203,.18), transparent 33%),
    linear-gradient(180deg, #fff 0%, var(--wash) 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: clamp(2rem, 5vw, 5.5rem); align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--cyan-dark);
  font-weight: 900;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .14em;
}
.eyebrow::before { content: ""; width: 30px; height: 3px; border-radius: 99px; background: var(--cyan); }
.hero h1, .page-hero h1 {
  margin: .7rem 0 1rem;
  max-width: 16ch;
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.hero p { max-width: 660px; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.26rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.7rem; }
.hero-note { margin-top: 1rem; color: var(--muted); font-size: .88rem; }
.hero-panel {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(0,194,203,.22);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 4vw, 2.8rem);
}
.hero-panel img { display: block; width: min(260px, 70%); margin: 0 auto 1.2rem; }
.hero-panel h2 { margin: 0 0 .4rem; font-size: 1.4rem; }
.hero-panel p { font-size: .98rem; }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-tight { padding: 2.5rem 0; }
.section-wash { background: var(--wash); }
.section-dark { background: var(--ink); color: #fff; }
.section-head { max-width: 760px; margin-bottom: 2.2rem; }
.section-head h2 { margin: .45rem 0 .8rem; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.02; letter-spacing: -.04em; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.04rem; }
.section-dark .section-head p, .section-dark .muted { color: #bac6c9; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.5rem;
  min-height: 100%;
}
.card h3 { margin: .75rem 0 .4rem; font-size: 1.22rem; }
.card p { margin: 0 0 1rem; color: var(--muted); }
.card-link { color: var(--cyan-dark); font-weight: 900; text-decoration: none; }
.card-link:hover, .card-link:focus-visible { text-decoration: underline; }
.icon-chip {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(0,194,203,.12);
  color: var(--cyan-deep);
  font-weight: 900;
}

.steps { counter-reset: steps; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.step { position: relative; border-top: 1px solid #334044; padding: 1.3rem .7rem 0 0; }
.step::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  display: block;
  color: var(--cyan);
  font-weight: 900;
  letter-spacing: .08em;
  margin-bottom: .6rem;
}
.step h3 { margin: 0 0 .4rem; }
.step p { margin: 0; color: #bac6c9; font-size: .93rem; }

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: clamp(1.7rem, 4vw, 2.6rem);
  border-radius: 28px;
  background: linear-gradient(120deg, #d9fbfc, #f7ffff);
  border: 1px solid rgba(0,194,203,.28);
}
.cta-band h2 { margin: 0 0 .3rem; font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -.035em; }
.cta-band p { margin: 0; color: var(--muted); }

.page-hero { padding: clamp(3.8rem, 7vw, 6.5rem) 0 3.6rem; background: linear-gradient(180deg, #fff 0%, var(--wash) 100%); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 20ch; font-size: clamp(2.5rem, 5vw, 4.6rem); }
.page-hero p { max-width: 760px; color: var(--muted); font-size: 1.12rem; margin: 0; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; font-size: .86rem; color: var(--muted); margin-bottom: 1.1rem; }
.breadcrumbs a { color: var(--cyan-dark); text-decoration: none; font-weight: 800; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .55fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.prose { max-width: 760px; }
.prose h2 { margin: 2.2rem 0 .65rem; font-size: clamp(1.7rem, 3vw, 2.35rem); letter-spacing: -.035em; }
.prose h3 { margin: 1.5rem 0 .45rem; }
.prose p, .prose li { color: #3f4d54; }
.prose ul { padding-left: 1.2rem; }
.check-list { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: .7rem; }
.check-list li { position: relative; padding-left: 1.8rem; color: #34434a; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan-dark); font-weight: 900; }
.aside-card { position: sticky; top: 105px; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.45rem; background: #fff; box-shadow: var(--shadow); }
.aside-card h2, .aside-card h3 { margin-top: 0; }
.aside-card p { color: var(--muted); }
.aside-card .button { width: 100%; }

.faq-list { display: grid; gap: .75rem; max-width: 900px; }
details { border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 0 1rem; }
summary { cursor: pointer; list-style: none; font-weight: 850; padding: 1rem 2rem 1rem 0; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: .8rem; color: var(--cyan-dark); font-size: 1.35rem; }
details[open] summary::after { content: "−"; }
details p { margin: 0 0 1rem; color: var(--muted); }

.service-nav { display: flex; gap: .6rem; flex-wrap: wrap; margin: 1rem 0 0; }
.service-nav a { border: 1px solid var(--line); border-radius: 999px; padding: .55rem .8rem; text-decoration: none; font-weight: 750; font-size: .85rem; }
.service-nav a:hover, .service-nav a:focus-visible { border-color: var(--cyan); color: var(--cyan-deep); }

.site-footer { border-top: 1px solid var(--line); padding: 2.5rem 0; background: #fbfdfd; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem; }
.footer-grid h2, .footer-grid h3 { margin-top: 0; font-size: 1rem; }
.footer-grid p, .footer-grid a { color: var(--muted); font-size: .9rem; }
.footer-links { display: grid; gap: .45rem; }
.footer-links a { text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--cyan-dark); }
.footer-bottom { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .82rem; }

.muted { color: var(--muted); }
.kicker { color: var(--cyan-dark); font-weight: 850; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .hero-grid, .content-grid { grid-template-columns: 1fr; }
  .hero-panel { max-width: 620px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aside-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .header-inner { min-height: 70px; }
  .brand-copy strong { font-size: .86rem; }
  .brand-copy span { font-size: .7rem; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    inset: 70px 1rem auto 1rem;
    padding: 1rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav a { padding: .35rem .2rem; }
  .site-nav .button { width: 100%; }
  .hero { padding-top: 3.6rem; }
  .hero h1, .page-hero h1 { max-width: none; }
  .cards, .steps, .footer-grid { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
