/* rythmologue.com — Dr. Sana Amraoui
   No webfonts and no third-party assets on purpose: system fonts keep the page
   fast and keep the site free of any request that would need cookie consent. */

:root {
  --ink: #0e2233;
  --ink-soft: #4a5f70;
  --line: #dfe6ec;
  --bg: #ffffff;
  --bg-soft: #f4f8fa;
  --accent: #0f5c73;
  --accent-soft: #e3f0f4;
  --max: 68rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

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

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

.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
  line-height: 1.2;
}

.brand span {
  display: block;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.header-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

.lang {
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
}

.lang:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.7rem 1.3rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
}

.btn:hover { background: #0b4a5d; }

.btn-ghost {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover { background: var(--accent-soft); }

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

.hero { padding: 4rem 0 3rem; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.hero .role {
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
}

.hero p.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 42rem;
  margin: 0 0 2rem;
}

.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

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

section { padding: 3rem 0; border-top: 1px solid var(--line); }

section.soft { background: var(--bg-soft); }

h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

h3 { font-size: 1.05rem; margin: 2rem 0 0.5rem; }

section p { max-width: 46rem; }

ul.clean { padding-left: 1.1rem; max-width: 46rem; }

ul.clean li { margin-bottom: 0.4rem; }

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
  background: #fff;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-weight: 600;
}

.card p { margin: 0; }

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.site-footer a { color: var(--ink-soft); }

.site-footer .cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.site-footer ul { list-style: none; padding: 0; margin: 0; }

.site-footer li { margin-bottom: 0.3rem; }

.legal { border-top: 1px solid var(--line); padding-top: 1.25rem; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}