:root {
  --color-primary: #0F766E;
  --color-secondary: #14B8A6;
  --color-accent: #0369A1;
  --color-neutral-dark: #134E4A;
  --color-neutral-light: #F0FDFA;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --measure: 65ch;
  --radius: 8px;
}

/* === Base === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-neutral-dark);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-neutral-dark);
  margin: 0 0 0.75em;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1.2em; }
a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }

/* === Layout === */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.container--narrow { max-width: 780px; }
.section { padding-block: 4rem; }
.section--alt { background: var(--color-neutral-light); }
.section--intro { text-align: left; }
.section__title { text-align: center; margin-bottom: 2rem; }
.section__lede { text-align: center; max-width: 60ch; margin: 0 auto 2.5rem; color: #375f5c; }
.section__figure { margin: 2.5rem 0 0; border-radius: var(--radius); overflow: hidden; }
.section__figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(19,78,74,0.08);
}
.site-header__inner {
  max-width: 1180px;
  margin-inline: auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo { display: inline-block; line-height: 0; text-decoration: none; }
.logo img { height: 72px; width: auto; display: block; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid rgba(19,78,74,0.15);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block; height: 2px;
  background: var(--color-neutral-dark);
  border-radius: 2px;
}
.primary-nav { display: none; width: 100%; }
.primary-nav.is-open { display: block; }
.primary-nav ul {
  list-style: none; padding: 0; margin: 0.75rem 0 0;
  display: flex; flex-direction: column; gap: 0.25rem;
}
.primary-nav a {
  display: block;
  padding: 0.65rem 0.25rem;
  text-decoration: none;
  color: var(--color-neutral-dark);
  font-weight: 500;
}
.primary-nav a[aria-current="page"] { color: var(--color-primary); }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
  font-size: 1rem;
}
.btn--primary { background: var(--color-primary); color: #ffffff; }
.btn--primary:hover { background: var(--color-neutral-dark); color: #ffffff; }
.btn--accent { background: var(--color-accent); color: #ffffff; }
.btn--accent:hover { background: #024f7f; color: #ffffff; }

/* === Hero fullscreen === */
.hero-fullscreen {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--color-neutral-dark);
}
.hero-fullscreen__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
}
.hero-fullscreen__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(19,78,74,0.55), rgba(15,118,110,0.7));
  z-index: -1;
}
.hero-fullscreen__content {
  max-width: 780px;
  padding: 5rem 1.5rem;
  text-align: center;
  color: var(--color-neutral-light);
}
.hero-fullscreen__content h1 { color: var(--color-neutral-light); }
.hero-fullscreen__sub {
  font-size: 1.15rem;
  color: rgba(240,253,250,0.9);
  max-width: 52ch;
  margin: 0 auto 2rem;
}
.hero-fullscreen--plain {
  min-height: 60vh;
  background: linear-gradient(160deg, var(--color-primary), var(--color-neutral-dark));
}
.hero-fullscreen--plain .hero-fullscreen__overlay { display: none; }

/* === Grid & cards === */
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.card {
  background: #ffffff;
  border: 1px solid rgba(19,78,74,0.08);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 1px 2px rgba(19,78,74,0.04);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.card h3 { margin-top: 0.75rem; }
.card p { margin-bottom: 0; color: #385f5b; }
.card__icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--color-neutral-light);
  color: var(--color-primary);
}
a.card-link { display: block; text-decoration: none; color: inherit; }
a.card-link:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -18px rgba(19,78,74,0.35); }

/* === Quote === */
.section--quote { background: var(--color-neutral-light); }
.quote {
  margin: 0;
  text-align: center;
  padding: 2rem 0;
}
.quote p {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.4;
  color: var(--color-neutral-dark);
  margin-bottom: 1.25rem;
}
.quote cite {
  font-style: normal;
  font-size: 0.95rem;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: var(--color-neutral-light);
  padding: 4rem 0;
  text-align: center;
}
.cta-band h2 { color: var(--color-neutral-light); }
.cta-band p { color: rgba(240,253,250,0.9); max-width: 55ch; margin: 0 auto 1.75rem; }

/* === FAQ === */
.faq details {
  border-bottom: 1px solid rgba(19,78,74,0.12);
  padding: 1.1rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-neutral-dark);
  font-size: 1.05rem;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 0; top: 0;
  font-size: 1.5rem; line-height: 1;
  color: var(--color-primary);
}
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 0.85rem 0 0; color: #385f5b; }

/* === Contact form === */
.contact-form { display: grid; gap: 1.1rem; }
.form-row { display: grid; gap: 0.35rem; }
.form-row label { font-weight: 600; font-size: 0.95rem; color: var(--color-neutral-dark); }
.form-row input,
.form-row textarea {
  font: inherit;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid rgba(19,78,74,0.2);
  background: #ffffff;
  color: var(--color-neutral-dark);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 1px;
  border-color: var(--color-secondary);
}
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: #385f5b;
  flex-wrap: wrap;
}
.form-consent input { margin-top: 0.25rem; }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark);
  color: var(--color-neutral-light);
  padding-top: 3.5rem;
  margin-top: 0;
}
.site-footer h3 {
  color: var(--color-neutral-light);
  font-family: var(--font-body);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.site-footer a { color: var(--color-neutral-light); text-decoration: none; opacity: 0.9; }
.site-footer a:hover { color: var(--color-secondary); opacity: 1; }
.site-footer__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  padding-bottom: 3rem;
}
.site-footer__grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.site-footer__tagline { color: rgba(240,253,250,0.75); margin-top: 0.75rem; }
.site-footer address { font-style: normal; line-height: 1.7; margin-bottom: 1rem; }
.legal-links { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.9rem; }
.site-footer__copy {
  border-top: 1px solid rgba(240,253,250,0.12);
  padding-block: 1.25rem;
  font-size: 0.85rem;
  color: rgba(240,253,250,0.7);
  text-align: center;
}
.site-footer .logo img { filter: brightness(0) invert(1); }

/* === Cookie banner === */
.cookie-banner {
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  display: none;
  z-index: 9999;
  background: var(--color-neutral-dark);
  color: var(--color-neutral-light);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
  max-width: 640px;
  margin-inline: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: 0.95rem; }
.cookie-banner a { color: var(--color-secondary); }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner button {
  font: inherit;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  border: 1px solid rgba(240,253,250,0.25);
  background: transparent;
  color: var(--color-neutral-light);
  cursor: pointer;
}
.cookie-banner [data-cookie-accept] {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.cookie-banner [data-cookie-accept]:hover { background: #024f7f; }
.cookie-banner__prefs {
  margin-top: 1rem;
  display: grid; gap: 0.5rem;
  border-top: 1px solid rgba(240,253,250,0.15);
  padding-top: 1rem;
}
.cookie-banner__prefs label { display: flex; gap: 0.5rem; align-items: center; font-size: 0.9rem; }
.cookie-banner__prefs button {
  justify-self: start;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* === Responsive === */
@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  body { font-size: 18px; }
  .section { padding-block: 5.5rem; }
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: block; width: auto; }
  .primary-nav ul { flex-direction: row; gap: 1.75rem; margin: 0; }
  .primary-nav a { padding: 0.35rem 0; }
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 3rem; }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .cookie-banner { left: auto; right: 1.5rem; bottom: 1.5rem; max-width: 420px; }
}
@media (min-width: 1024px) {
  .hero-fullscreen__content { padding: 7rem 2rem; }
}