:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #134E4A;
  --color-neutral-light: #F0FDFA;
  --color-text: #0F2A2A;
  --color-muted: #4B6B6B;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 24px;
}

/* === Base === */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-neutral-light);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-heading); color: var(--color-neutral-dark); line-height: 1.2; font-weight: 600; margin: 0 0 1rem; }
h1 { font-size: clamp(2.25rem, 5vw, 3.6rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 1.25rem; }
.container.narrow { max-width: 720px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 600; color: var(--color-primary); margin: 0 0 0.75rem; }

/* === Header === */
.site-header {
  background: var(--color-neutral-light);
  border-bottom: 1px solid rgba(19, 78, 74, 0.1);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 0.75rem; gap: 1rem; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; }
@media (min-width: 768px) { .logo img { height: 96px; } }
.nav-toggle {
  background: none; border: none; color: var(--color-neutral-dark); cursor: pointer; padding: 0.5rem;
}
.primary-nav { display: none; gap: 1.5rem; align-items: center; }
.primary-nav a { color: var(--color-neutral-dark); font-weight: 500; font-size: 0.95rem; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }
.primary-nav.is-open { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 100%; background: var(--color-neutral-light); padding: 1rem 1.25rem; border-bottom: 1px solid rgba(19,78,74,0.1); align-items: flex-start; }
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav { display: flex; flex-direction: row; position: static; padding: 0; background: none; border: none; }
}

/* === Buttons === */
.btn {
  display: inline-block; padding: 0.85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  text-decoration: none; border: none; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-neutral-dark); }
.btn-accent { background: var(--color-accent); color: var(--color-neutral-dark); }

/* === Hero (hero-card) === */
.hero { padding-block: 3rem 4rem; background: linear-gradient(180deg, var(--color-neutral-light) 0%, #E6F9F5 100%); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(34,211,238,0.18), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(8,145,178,0.15), transparent 50%);
  pointer-events: none;
}
.hero-card__card {
  position: relative;
  max-width: 880px;
  margin-inline: auto;
  padding: 2.25rem 1.5rem;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(19, 78, 74, 0.35);
  text-align: left;
}
@media (min-width: 768px) {
  .hero { padding-block: 5rem 6rem; }
  .hero-card__card { padding: 3.5rem; }
}
.hero__sub { font-size: 1.1rem; color: var(--color-muted); max-width: 52ch; margin-bottom: 1.75rem; }
.hero-card__figure { margin: 2rem 0 0; border-radius: var(--radius); overflow: hidden; }
.hero-card__figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* === Sections === */
.section { padding-block: 3.5rem; }
@media (min-width: 768px) { .section { padding-block: 5rem; } }
.section-intro { text-align: left; }
.section-intro.alt { background: #ffffff; }
.section__header { text-align: center; margin-bottom: 2.5rem; }
.section__sub { color: var(--color-muted); font-size: 1.05rem; margin-bottom: 1.25rem; }

/* === Grids & cards === */
.grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: #fff;
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid rgba(19,78,74,0.08);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card .icon { color: var(--color-primary); margin-bottom: 0.75rem; }
.card h3 { margin-bottom: 0.5rem; color: var(--color-neutral-dark); }
.card p { color: var(--color-muted); font-size: 0.97rem; margin: 0; }
a.card-link { display: block; color: inherit; text-decoration: none; }
a.card-link:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -20px rgba(19,78,74,0.3); text-decoration: none; }

/* === Testimonial === */
.section-testimonial { background: var(--color-neutral-light); }
.testimonial { text-align: center; margin: 0; padding: 2rem 0; }
.testimonial p { font-family: var(--font-heading); font-size: 1.35rem; line-height: 1.5; color: var(--color-neutral-dark); font-style: italic; max-width: 60ch; margin: 0 auto 1rem; }
.testimonial cite { font-style: normal; font-size: 0.95rem; color: var(--color-muted); }

/* === CTA band === */
.cta-band { background: var(--color-primary); color: #fff; padding-block: 3.5rem; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 1.5rem; max-width: 55ch; margin-inline: auto; }

/* === Contact band === */
.section-contact-band { text-align: center; background: var(--color-neutral-light); }

/* === Contact form === */
.contact-form { display: grid; gap: 1rem; margin-top: 1.5rem; }
.form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label { font-size: 0.9rem; font-weight: 500; color: var(--color-neutral-dark); }
.form-row input, .form-row textarea {
  font-family: inherit; font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(19,78,74,0.2);
  border-radius: 8px;
  background: #fff;
  color: var(--color-text);
}
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--color-secondary); outline-offset: 1px; border-color: var(--color-primary); }
.form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.87rem; color: var(--color-muted); }
.form-consent input { margin-top: 0.2rem; }

/* === Article detail === */
.article-detail { max-width: 65ch; margin-inline: auto; padding: 3rem 1rem 4rem; }
.article-detail header { margin-bottom: 1.5rem; }
.article-detail h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; margin-bottom: 1.5rem; }
.article-detail__sub { font-size: 1.2rem; color: var(--color-muted); font-family: var(--font-heading); font-style: italic; }
.article-detail__figure { margin: 2rem 0; border-radius: 8px; overflow: hidden; }
.article-detail__figure img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.article-detail p { font-size: 1.125rem; line-height: 1.75; margin-block: 1.25rem; color: #1F3B3B; }
.article-detail__footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(19,78,74,0.15); }
.back-link { font-weight: 500; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: #DFF3EF; padding-block: 3rem 1.5rem; margin-top: 3rem; }
.site-footer h3 { color: #fff; font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 1rem; }
.site-footer a { color: #DFF3EF; }
.site-footer a:hover { color: var(--color-secondary); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.footer-grid .logo img { height: 60px; filter: brightness(0) invert(1); }
.footer-tagline { color: #A6D4CE; font-size: 0.92rem; margin-top: 0.75rem; }
.footer-nav { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a { font-size: 0.95rem; }
.footer-contact p { font-size: 0.92rem; margin-bottom: 0.75rem; color: #C4E5DF; }
.footer-legal { font-size: 0.85rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 2rem; padding-top: 1.25rem; text-align: center; font-size: 0.85rem; color: #A6D4CE; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr; } }

/* === 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);
  padding: 1.25rem 1.5rem; border-radius: 12px;
  box-shadow: 0 20px 50px -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: 0.92rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner__actions button {
  font-family: inherit; font-size: 0.88rem; font-weight: 600;
  padding: 0.55rem 1rem; border-radius: 999px; border: 1px solid rgba(255,255,255,0.25);
  background: transparent; color: var(--color-neutral-light); cursor: pointer;
}
.cookie-banner__actions button[data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-neutral-dark); }
.cookie-banner__prefs { margin-top: 1rem; display: grid; gap: 0.5rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.15); }
.cookie-banner__prefs label { font-size: 0.88rem; display: flex; gap: 0.5rem; align-items: center; }
.cookie-banner__prefs button {
  margin-top: 0.5rem; justify-self: start;
  font-family: inherit; font-size: 0.85rem; font-weight: 600;
  padding: 0.5rem 1rem; border-radius: 999px; border: none;
  background: var(--color-primary); color: #fff; cursor: pointer;
}