/* =========================================================
   Breath — oxygen supply
   Glassmorphism: frosted panels over a soft aurora field.
   Light + dark, mobile first, no external assets.
   ========================================================= */

:root {
  --shell: 1140px;

  /* light theme */
  --bg: #e9f4fb;
  --bg-2: #f4fbff;
  --ink: #08202e;
  --ink-soft: #3b5566;
  --ink-faint: #5d7686;

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-edge: rgba(9, 56, 82, 0.10);
  --glass-shadow: 0 18px 50px -22px rgba(6, 47, 71, 0.45);

  --accent: #0a7ea4;
  --accent-strong: #06627f;
  --accent-ink: #ffffff;
  --accent-soft: rgba(14, 165, 233, 0.14);

  --blob-1: #7dd3fc;
  --blob-2: #a5f3e4;
  --blob-3: #c4b5fd;
  --blob-alpha: 0.75;

  --radius: 20px;
  --radius-lg: 28px;
  --focus: #0b5f7d;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050d18;
    --bg-2: #081527;
    --ink: #eaf5fd;
    --ink-soft: #b3c8da;
    --ink-faint: #93aec3;

    --glass-bg: rgba(20, 39, 60, 0.52);
    --glass-bg-strong: rgba(23, 45, 68, 0.68);
    --glass-border: rgba(160, 214, 245, 0.22);
    --glass-edge: rgba(0, 0, 0, 0.35);
    --glass-shadow: 0 24px 60px -26px rgba(0, 0, 0, 0.85);

    --accent: #7dd3fc;
    --accent-strong: #bae6fd;
    --accent-ink: #04222f;
    --accent-soft: rgba(125, 211, 252, 0.16);

    --blob-1: #0e7490;
    --blob-2: #155e75;
    --blob-3: #4c1d95;
    --blob-alpha: 0.85;

    --focus: #7dd3fc;
  }
}

/* ---------------- base ---------------- */

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

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.022em;
  font-weight: 600;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent-strong); }

img, svg { max-width: 100%; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.7rem 1.1rem;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 0 0 12px 0;
  font-weight: 600;
}
.skip:focus { left: 0; }

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

/* ---------------- aurora background ---------------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% -10%, var(--bg-2) 0%, var(--bg) 55%),
    var(--bg);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: var(--blob-alpha);
}
.blob-1 {
  width: 46rem; height: 46rem;
  background: var(--blob-1);
  top: -16rem; left: -14rem;
}
.blob-2 {
  width: 38rem; height: 38rem;
  background: var(--blob-2);
  top: 34%; right: -14rem;
}
.blob-3 {
  width: 42rem; height: 42rem;
  background: var(--blob-3);
  bottom: -18rem; left: 18%;
  opacity: calc(var(--blob-alpha) * 0.7);
}

/* faint noise/texture so the glass has something to catch */
.grain {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 2px, transparent 2px 7px),
    repeating-linear-gradient(-25deg, rgba(255,255,255,.035) 0 1px, transparent 1px 9px);
  mix-blend-mode: overlay;
}

/* ---------------- glass primitive ---------------- */

.glass {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
}

/* soft specular highlight along the top edge */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(255,255,255,.35), rgba(255,255,255,0) 42%);
}

@media (prefers-color-scheme: dark) {
  .glass { box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.10); }
  .glass::before {
    background: linear-gradient(160deg, rgba(255,255,255,.14), rgba(255,255,255,0) 45%);
  }
}

/* Fallback: without backdrop-filter the panels become near-solid so text stays readable */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--glass-bg-strong); }
}

/* ---------------- header / nav ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 0.75rem 0;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
  padding: 0.2rem;
}
.brand-mark {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
  flex: none;
}
.brand-name {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--accent-soft);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}
.nav-toggle-bars {
  display: grid;
  gap: 3px;
  width: 16px;
}
.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav {
  display: none;
  width: 100%;
}
.nav.is-open { display: block; }

.nav ul {
  list-style: none;
  margin: 0.4rem 0 0.2rem;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}
.nav a {
  display: block;
  padding: 0.6rem 0.7rem;
  border-radius: 12px;
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
}
.nav a:hover { color: var(--ink); background: var(--accent-soft); }

.nav .nav-cta {
  color: var(--accent-ink);
  background: var(--accent);
  font-weight: 600;
  text-align: center;
}
.nav .nav-cta:hover { background: var(--accent-strong); color: var(--accent-ink); }

@media (min-width: 800px) {
  .nav-toggle { display: none; }
  .nav { display: block; width: auto; }
  .nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
  }
  .nav a { padding: 0.5rem 0.85rem; }
  .nav .nav-cta { padding-inline: 1.1rem; }
}

/* ---------------- hero ---------------- */

.hero { padding: 3rem 0 2rem; }

.hero-grid { display: grid; gap: 2rem; }

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-strong);
  margin: 0 0 0.9rem;
}

.glass-chip {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.hero h1 {
  font-size: clamp(3rem, 12vw, 5.5rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  margin-bottom: 0.35em;
}

.lede {
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  color: var(--ink);
  font-weight: 500;
  max-width: 32ch;
}

.sub {
  color: var(--ink-soft);
  max-width: 46ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 12px 30px -14px rgba(10, 126, 164, 0.9);
}
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost {
  color: var(--ink);
  background: var(--glass-bg);
  border-color: var(--glass-border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover { background: var(--glass-bg-strong); }

.hero-card {
  padding: 1.5rem;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 0.5rem;
}
.hero-art { width: min(100%, 20rem); height: auto; }
.hero-card-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0;
}

@media (min-width: 900px) {
  .hero { padding: 5rem 0 3.5rem; }
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
  }
}

/* ---------------- sections ---------------- */

.section { padding: 3.5rem 0; }
.section-tight { padding-top: 1rem; }

.section-head {
  max-width: 60ch;
  margin-bottom: 2rem;
}
.section-head h2 {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}
.section-lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ---------------- service cards ---------------- */

.cards {
  display: grid;
  gap: 1rem;
}
@media (min-width: 620px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .cards { grid-template-columns: repeat(3, 1fr); } }

.card {
  padding: 1.6rem 1.4rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px -26px rgba(6, 47, 71, 0.6), inset 0 1px 0 rgba(255,255,255,.55);
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}
.card p {
  color: var(--ink-soft);
  font-size: 0.97rem;
  margin: 0;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  border-radius: 16px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  border: 1px solid var(--glass-border);
}
.icon svg { width: 1.5rem; height: 1.5rem; }

/* ---------------- steps ---------------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }

.step { padding: 1.6rem 1.4rem; }
.step-num {
  display: block;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--accent-strong);
  opacity: .75;
  margin-bottom: 0.4rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.step p { color: var(--ink-soft); font-size: 0.97rem; margin: 0; }

/* ---------------- about ---------------- */

.about-grid { display: grid; gap: 1.75rem; }
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.15fr 0.85fr; align-items: start; gap: 3rem; }
}

.about-copy h2 {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}
.about-copy p { color: var(--ink-soft); max-width: 60ch; }

.about-panel { padding: 1.75rem 1.5rem; }
.about-panel h3 { font-size: 1.1rem; }

.ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.ticks li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--ink-soft);
  font-size: 0.97rem;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
}
.ticks li::after {
  content: "";
  position: absolute;
  left: 0.36rem;
  top: 0.62em;
  width: 0.42rem;
  height: 0.22rem;
  border-left: 2px solid var(--accent-strong);
  border-bottom: 2px solid var(--accent-strong);
  transform: rotate(-45deg);
}

/* ---------------- contact ---------------- */

.contact-grid { display: grid; gap: 1rem; }
@media (min-width: 860px) { .contact-grid { grid-template-columns: 1fr 1fr; } }

.contact-card { padding: 1.75rem 1.5rem; }
.contact-card h3 { font-size: 1.15rem; }

.contact-list {
  margin: 0 0 1.1rem;
  display: grid;
  gap: 0.9rem;
}
.contact-list > div {
  display: grid;
  gap: 0.1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--glass-edge);
}
.contact-list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-list dt {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-faint);
}
.contact-list dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}

.placeholder-note {
  font-size: 0.85rem;
  color: var(--ink-faint);
  border-left: 3px solid var(--accent);
  padding-left: 0.8rem;
  margin: 0;
}

.contact-cta p { color: var(--ink-soft); }
.contact-foot {
  margin-top: 1.1rem;
  font-weight: 500;
  color: var(--ink);
}

/* ---------------- footer ---------------- */

.site-footer { padding: 2rem 0 2.5rem; }

.footer-inner {
  display: grid;
  gap: 1.25rem;
  padding: 1.6rem 1.5rem;
  border-radius: var(--radius);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.footer-name {
  margin: 0;
  font-weight: 600;
  font-size: 1.1rem;
}
.footer-tag {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}
.footer-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.footer-nav a:hover { color: var(--ink); text-decoration: underline; }

.footer-legal {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.85rem;
  word-break: break-word;
}

@media (min-width: 860px) {
  .footer-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
  }
  .footer-nav { justify-content: center; }
  .footer-legal { text-align: right; }
}