:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #164E63;
  --color-neutral-light: #ECFEFF;
  --font-heading: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-soft: 0 2px 20px rgba(22, 78, 99, 0.06);
  --shadow-lift: 0 20px 60px -20px rgba(8, 145, 178, 0.25);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-neutral-dark);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-neutral-dark); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 1rem; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p { margin: 0 0 1rem; }

/* === Layout === */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 780px; margin-inline: auto; }
.section { padding-block: 4rem; }
.eyebrow { display: inline-block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 0.75rem; }
.lede { font-size: 1.15rem; color: rgba(22, 78, 99, 0.82); }

/* === Header / Nav (glass) === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(236, 254, 255, 0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(22, 78, 99, 0.08);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { background: rgba(255, 255, 255, 0.92); box-shadow: 0 4px 24px rgba(22, 78, 99, 0.08); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.75rem; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: none; padding: 0.5rem; cursor: pointer;
  color: var(--color-neutral-dark);
}
.primary-nav { display: none; }
.primary-nav.is-open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 1rem 1.25rem; box-shadow: 0 20px 40px rgba(22, 78, 99, 0.1); border-top: 1px solid rgba(22, 78, 99, 0.06); }
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.primary-nav a { display: block; padding: 0.6rem 0.25rem; color: var(--color-neutral-dark); font-weight: 500; position: relative; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }
.primary-nav .nav-cta { background: var(--color-primary); color: #fff; border-radius: 999px; padding: 0.55rem 1.1rem; display: inline-block; }
.primary-nav .nav-cta:hover { background: var(--color-neutral-dark); color: #fff; }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: block; position: static; padding: 0; box-shadow: none; background: transparent; border: 0; }
  .primary-nav ul { flex-direction: row; align-items: center; gap: 0.25rem; }
  .primary-nav a { padding: 0.5rem 0.85rem; font-size: 0.95rem; }
  .primary-nav a:not(.nav-cta)::after {
    content: ''; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.3rem;
    height: 2px; background: var(--color-primary); transform: scaleX(0); transform-origin: left;
    transition: transform .25s var(--ease);
  }
  .primary-nav a:not(.nav-cta):hover::after,
  .primary-nav a[aria-current="page"]:not(.nav-cta)::after { transform: scaleX(1); }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.6rem; border-radius: 999px; font-weight: 600; font-family: var(--font-heading);
  font-size: 0.98rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-align: center;
}
.btn:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 3px; }
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(8, 145, 178, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(8, 145, 178, 0.7); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-neutral-dark); border-color: rgba(22, 78, 99, 0.2); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--color-primary); color: var(--color-primary); }
.btn-accent { background: var(--color-accent); color: #fff; box-shadow: 0 10px 30px -12px rgba(34, 197, 94, 0.55); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(34, 197, 94, 0.7); color: #fff; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* === Hero (split, gradient) === */
.hero {
  position: relative;
  padding-block: 3rem 4rem;
  background:
    radial-gradient(1200px 500px at 90% -10%, rgba(34, 211, 238, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 40%, rgba(34, 197, 94, 0.1), transparent 60%),
    linear-gradient(180deg, var(--color-neutral-light), #fff 80%);
  overflow: hidden;
}
.hero-simple { text-align: center; padding-block: 5rem; }
.hero__grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
.hero__text h1 { margin-top: 0.25rem; }
.hero__media img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
}
@media (min-width: 900px) {
  .hero { padding-block: 5rem 6rem; }
  .hero__grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
  .hero__media img { aspect-ratio: 4/5; }
}

/* === Sections === */
.section__title { text-align: center; margin-bottom: 2rem; }
.intro { background: #fff; }
.intro h2 { text-align: center; }
.intro p { text-align: left; max-width: 68ch; margin-inline: auto; }

/* === Cards grid === */
.cards-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) {
  .cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .cards-grid--4 { grid-template-columns: repeat(4, 1fr); }
}
.card {
  background: #fff;
  border: 1px solid rgba(22, 78, 99, 0.08);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow-soft);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -24px rgba(8, 145, 178, 0.35); border-color: rgba(8, 145, 178, 0.25); }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(8, 145, 178, 0.15));
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: rgba(22, 78, 99, 0.82); font-size: 0.98rem; margin: 0; }

/* === Testimonial === */
.testimonial { background: linear-gradient(180deg, #fff, var(--color-neutral-light)); }
.testimonial blockquote {
  margin: 0; text-align: center; font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: 500; color: var(--color-neutral-dark);
  line-height: 1.5;
}
.testimonial cite { display: block; margin-top: 1.25rem; font-style: normal; font-size: 0.95rem; color: var(--color-primary); font-family: var(--font-body); font-weight: 600; }

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(236, 254, 255, 0.9); margin-bottom: 1.5rem; }

/* === Contact band === */
.contact-band { background: var(--color-neutral-light); text-align: center; }
.contact-band a { color: var(--color-primary); font-weight: 500; }

/* === 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-weight: 600; font-size: 0.95rem; color: var(--color-neutral-dark); }
.form-row input, .form-row textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(22, 78, 99, 0.18);
  border-radius: 10px;
  background: #fff;
  color: var(--color-neutral-dark);
  transition: border-color .2s, box-shadow .2s;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(8, 145, 178, 0.15);
}
.form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: rgba(22,78,99,0.85); margin-top: 0.25rem; }
.form-consent input { margin-top: 0.25rem; }

/* === FAQ === */
.faq details {
  border: 1px solid rgba(22, 78, 99, 0.1);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.faq details[open] { border-color: var(--color-primary); box-shadow: var(--shadow-soft); }
.faq summary { cursor: pointer; font-family: var(--font-heading); font-weight: 600; color: var(--color-neutral-dark); list-style: none; padding-right: 1.5rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 1.4rem; color: var(--color-primary); transition: transform .2s; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 0.75rem; color: rgba(22, 78, 99, 0.85); }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(236, 254, 255, 0.85); padding: 3.5rem 0 1.5rem; margin-top: 2rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 800px) { .footer__grid { grid-template-columns: 1.2fr 1fr 1.2fr; } }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.footer__col a { color: rgba(236, 254, 255, 0.8); }
.footer__col a:hover { color: var(--color-secondary); }
.footer__col address { font-style: normal; line-height: 1.7; margin-bottom: 1rem; }
.footer__legal { margin-top: 1rem; font-size: 0.9rem; }
.logo--footer img { height: 60px; }
.footer__bottom { border-top: 1px solid rgba(236, 254, 255, 0.12); margin-top: 2.5rem; padding-top: 1.25rem; text-align: center; font-size: 0.88rem; color: rgba(236, 254, 255, 0.6); }

/* === 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; border-radius: var(--radius-md);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.45);
  max-width: 640px; margin-inline: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 0.85rem; font-size: 0.92rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner button {
  font: inherit; padding: 0.55rem 1rem; border-radius: 999px; cursor: pointer;
  border: 1px solid rgba(236, 254, 255, 0.3); background: transparent; color: var(--color-neutral-light);
  transition: background .2s, transform .2s;
}
.cookie-banner button:hover { transform: translateY(-1px); }
.cookie-banner [data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cookie-banner__prefs { margin-top: 0.9rem; display: grid; gap: 0.4rem; font-size: 0.92rem; }
.cookie-banner__prefs label { display: flex; gap: 0.5rem; align-items: center; }
.cookie-banner__prefs [data-cookie-save] { margin-top: 0.5rem; background: var(--color-primary); border-color: var(--color-primary); }

/* === Reveal (scroll motion) === */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}