/* PulseRegula — static one-page site */
:root {
  --blue: #0f4c81;
  --blue-dark: #0b3a63;
  --ink: #221c35;
  --muted: #5a5f73;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --border: #d9e2ec;
  --radius: 14px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  width: min(92%, var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: .6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .7rem 0;
}
.brand img { display: block; height: 99px; width: auto; }
.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.main-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
}
.main-nav a:hover { color: var(--blue); }
.main-nav a.btn { color: #fff; }
.main-nav a.btn:hover { background: var(--blue-dark); }

.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.lang-switch button {
  border: 0;
  background: transparent;
  padding: .35rem .7rem;
  font-weight: 700;
  font-size: .8rem;
  color: var(--muted);
  cursor: pointer;
}
.lang-switch button.active {
  background: var(--blue);
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  font-size: 1.2rem;
  padding: .25rem .6rem;
  cursor: pointer;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: .4rem;
  padding: .8rem 4%;
  border-top: 1px solid var(--border);
  background: #fff;
}
.mobile-nav[hidden] { display: none !important; }
.mobile-nav.open { display: flex; }
.mobile-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  padding: .4rem 0;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: .55rem 1.4rem;
  transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-sm { padding: .4rem 1rem; font-size: .9rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1.05rem; }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.btn-outline:hover { background: var(--blue); color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(160deg, #eef4fa 0%, #ffffff 60%);
  padding: 5.5rem 0 4.5rem;
}
.hero-inner { max-width: 780px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue);
  margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 1.15;
  margin: 0 0 1.1rem;
  color: var(--ink);
}
.subhead {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 640px;
}
.hero-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  padding: 0;
  margin: 2.2rem 0 0;
}
.hero-badges li {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--blue);
  font-weight: 700;
  font-size: .85rem;
  padding: .35rem .9rem;
  border-radius: 999px;
}

/* Sections */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin: 0 0 .8rem;
}
.section-intro {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 2.5rem;
  max-width: 640px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: 0 2px 10px rgba(15, 76, 129, .05);
}
.card h3 { margin: 0 0 .9rem; color: var(--blue); }
.founder-head {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: 1.2rem;
}
.founder-head h3 { margin: 0; }
.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 4px solid var(--bg-alt);
  box-shadow: 0 3px 12px rgba(15, 76, 129, .2);
  flex-shrink: 0;
}
@media (max-width: 520px) {
  .founder-head { flex-direction: column; align-items: flex-start; gap: .9rem; }
}
.card ul { margin: 0; padding-left: 1.15rem; }
.card li { margin-bottom: .55rem; }
.section-alt .card { background: #fff; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.4rem;
}

/* Steps */
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
}
.steps li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  margin-bottom: .8rem;
}
.steps h3 { margin: 0 0 .5rem; }
.steps p { margin: 0; color: var(--muted); }

/* FAQ */
.faq-list { max-width: 780px; }
details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: .8rem;
  padding: 1rem 1.3rem;
}
summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--ink);
}
details p { color: var(--muted); margin: .7rem 0 .2rem; }

/* CTA */
.section-cta {
  background: linear-gradient(150deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  text-align: center;
}
.section-cta h2 { color: #fff; }
.section-cta .section-intro { color: rgba(255, 255, 255, .85); margin-inline: auto; }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.6rem;
}
.section-cta .btn {
  background: #fff;
  color: var(--blue);
}
.section-cta .btn:hover { background: #e8eef5; }
.section-cta .btn-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.section-cta .btn-outline:hover { background: rgba(255, 255, 255, .12); }
.contact-meta { color: rgba(255, 255, 255, .8); }
.contact-meta a { color: #fff; }

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .75);
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}
.footer-inner img { height: 36px; width: auto; display: block; }
.footer-inner p { margin: 0; font-size: .9rem; }

/* Responsive */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .lang-switch { margin-left: auto; }
  .menu-toggle { margin-left: 0; }
  .header-inner { flex-wrap: wrap; }
}