/* WireCalc landing page. Colours are the app's v1.3 design tokens. No web fonts or third-party requests. */
:root {
  --teal: #15616D;
  --ink: #0A3338;
  --tint: #CDE7E9;
  --tint-soft: #E9F4F5;
  --bg: #F6F7FB;
  --surface: #FFFFFF;
  --amber: #FFB300;
  --amber-tint: #FFF1CD;
  --amber-ink: #704700;
  --muted: #52666A;
  --line: #D5E0E2;
  --radius: 20px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

/* Long unbroken strings (the support email) must wrap at large text sizes instead of widening the page. */
a[href^="mailto:"] { overflow-wrap: anywhere; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--teal); text-underline-offset: 0.15em; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }
.hero :focus-visible { outline-color: #FFFFFF; }

code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, "Roboto Mono", monospace;
  font-size: 0.95em;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* Header */
.site-header { background: var(--teal); color: #FFFFFF; }
.header-bar { display: flex; align-items: center; min-height: 64px; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  min-height: 48px;
}
.brand:hover { color: #FFFFFF; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.site-header :focus-visible { outline-color: #FFFFFF; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--teal) 0%, var(--ink) 100%);
  color: #FFFFFF;
  padding: 40px 0 48px;
}
.hero-grid { display: grid; gap: 32px; align-items: center; }
.eyebrow {
  color: var(--tint);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5em;
}
.hero h1 { font-size: clamp(2rem, 1.4rem + 3vw, 3.25rem); margin-bottom: 0.5em; }
.lead { font-size: 1.125rem; color: #EAF5F6; max-width: 38em; }
.facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.facts li {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.95rem;
}
.hero-shot { margin: 0; justify-self: center; width: min(78vw, 300px); }
.phone {
  width: 100%;
  border-radius: 28px;
  border: 6px solid var(--ink);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  background: var(--surface);
}

/* Buttons */
.cta-row { margin: 24px 0 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 24px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  text-align: center;
}
.btn-light { background: #FFFFFF; color: var(--ink); }
.btn-light:hover { background: var(--tint); color: var(--ink); }
.btn-teal { background: var(--teal); color: #FFFFFF; }
.btn-teal:hover { background: var(--ink); color: #FFFFFF; }

/* Sections */
.section { padding: 48px 0; }
.section-tint { background: var(--tint-soft); }
.section-intro { color: var(--muted); }

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.card p { margin: 0; color: var(--muted); }

.gallery {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.gallery figure { margin: 0; }
.gallery img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.gallery figcaption { font-size: 0.95rem; color: var(--muted); margin-top: 8px; }

.formula {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 0 0 1.2em;
}
.formula p { margin: 0.2em 0; }
.formula code, .steps code { overflow-wrap: anywhere; }

.terms { margin: 0 0 1.2em; }
.terms div { display: grid; grid-template-columns: 2.2em minmax(0, 1fr); gap: 8px; padding: 4px 0; }
.terms dt { font-weight: 700; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.terms dd { margin: 0; }

.steps, .plain-list { padding-left: 1.2em; margin: 0 0 1em; }
.steps li, .plain-list li { margin-bottom: 0.4em; }

/* FAQ */
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 14px 18px;
  min-height: 48px;
  list-style-position: inside;
}
.faq details p { padding: 0 18px 4px; }

/* Reference-only notice */
.notice {
  background: var(--amber-tint);
  border: 1px solid #F1D48A;
  border-radius: var(--radius);
  padding: 20px 22px;
}
.notice h2 { font-size: 1.3rem; color: var(--amber-ink); }
.notice p { margin: 0; }

.cta-end { background: var(--tint); }

/* Footer */
.site-footer {
  background: var(--ink);
  color: #DCEBED;
  padding: 32px 0 40px;
}
.site-footer a { color: #FFFFFF; }
.site-footer :focus-visible { outline-color: #FFFFFF; }
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 1em;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.footer-links a { display: inline-block; padding: 6px 0; }
.small { font-size: 0.9rem; color: #B9D2D5; }

@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 700px) {
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 860px) {
  .hero { padding: 64px 0 72px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; }
  .hero-shot { width: 300px; }
  .section { padding: 64px 0; }
}

@media (min-width: 960px) {
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .gallery { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

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