:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #164E63;
  --color-neutral-light: #ECFEFF;
  --color-text: #0F2A33;
  --color-muted: #476b76;
  --color-border: rgba(22, 78, 99, 0.14);
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 16px;
  --shadow-sm: 0 2px 20px rgba(15, 42, 51, 0.06);
  --shadow-md: 0 20px 50px -20px rgba(15, 42, 51, 0.25);
  --shadow-lg: 0 30px 70px -30px rgba(15, 42, 51, 0.35);
}

/* === Base === */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; 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); letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 1rem; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1rem; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 1.25rem; }
.narrow { max-width: 780px; margin-inline: auto; }
.center { text-align: center; }
.eyebrow { font-family: var(--font-heading); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-primary); font-weight: 600; margin: 0 0 0.75rem; }
.lede { font-size: 1.15rem; color: var(--color-muted); max-width: 52ch; }

/* === Header / nav === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(236, 254, 255, 0.75);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.scrolled { background: rgba(236, 254, 255, 0.95); box-shadow: 0 10px 30px -20px rgba(15, 42, 51, 0.25); }
.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; display: block; }
.nav-toggle { background: none; border: 0; color: var(--color-neutral-dark); padding: 0.5rem; cursor: pointer; }
.primary-nav { display: none; }
.primary-nav a { color: var(--color-neutral-dark); font-weight: 500; padding: 0.5rem 0; position: relative; }
.primary-nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { text-decoration: none; }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
[data-nav].is-open .primary-nav { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-neutral-light); padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-border); gap: 0.25rem; }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; gap: 1.75rem; }
}

/* === Hero (split) === */
.hero { padding-block: 3rem 3.5rem; background: linear-gradient(135deg, rgba(8, 145, 178, 0.06), rgba(34, 211, 238, 0.05)); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(34, 197, 94, 0.12), transparent 65%); top: -100px; right: -100px; z-index: 0; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
.hero-copy .cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.hero-visual img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 20px; box-shadow: var(--shadow-md); }
.hero--single { padding-block: 4rem 2rem; }

@media (min-width: 900px) {
  .hero { padding-block: 5rem 5rem; }
  .hero-grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-heading); font-weight: 600; font-size: 0.98rem;
  border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.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 12px 30px -12px rgba(8, 145, 178, 0.6); }
.btn-primary:hover { box-shadow: 0 18px 40px -12px rgba(8, 145, 178, 0.7); }
.btn-accent { background: var(--color-accent); color: #fff; box-shadow: 0 12px 30px -12px rgba(34, 197, 94, 0.6); }
.btn-accent:hover { box-shadow: 0 18px 40px -12px rgba(34, 197, 94, 0.7); }
.btn-ghost { background: transparent; color: var(--color-neutral-dark); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-neutral-light); }

/* === Sections === */
.section { padding-block: 4rem; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head p { color: var(--color-muted); }
.intro { text-align: center; }
.intro p { color: var(--color-muted); font-size: 1.05rem; }

/* === Card grid === */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .card-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1000px) { .card-grid--2 { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: var(--color-neutral-light); color: var(--color-primary); margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--color-muted); font-size: 0.98rem; margin: 0; }
.stat-card { text-align: left; }
.stat-num { font-family: var(--font-heading); font-size: 1.65rem; font-weight: 700; color: var(--color-primary); margin: 0 0 0.5rem; letter-spacing: -0.02em; }

/* === Testimonial === */
.testimonial blockquote { margin: 0; text-align: center; }
.testimonial p { font-family: var(--font-heading); font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: 500; color: var(--color-neutral-dark); line-height: 1.4; }
.testimonial cite { display: block; margin-top: 1.25rem; font-style: normal; color: var(--color-muted); font-size: 0.95rem; }

/* === CTA band === */
.cta-band { padding-block: 4rem; background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(236, 254, 255, 0.85); margin-bottom: 1.5rem; }

/* === FAQ === */
.faq details { border: 1px solid var(--color-border); border-radius: 12px; padding: 1rem 1.25rem; margin-bottom: 0.75rem; background: #fff; transition: box-shadow .2s var(--ease); }
.faq details[open] { box-shadow: var(--shadow-sm); }
.faq summary { font-family: var(--font-heading); font-weight: 600; color: var(--color-neutral-dark); cursor: pointer; list-style: none; padding-right: 1.5rem; position: relative; }
.faq summary::after { content: '+'; position: absolute; right: 0; top: -2px; font-size: 1.4rem; color: var(--color-primary); transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 0.75rem; color: var(--color-muted); }

/* === Contact === */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 3rem; } }
.contact-info p { margin-bottom: 1rem; color: var(--color-muted); }
.contact-info strong { color: var(--color-neutral-dark); font-family: var(--font-heading); }
.contact-form { background: var(--color-neutral-light); border-radius: var(--radius); padding: 2rem; }
.contact-form label { display: block; font-family: var(--font-heading); font-weight: 500; font-size: 0.9rem; color: var(--color-neutral-dark); margin-bottom: 1rem; }
.contact-form input, .contact-form textarea { display: block; width: 100%; margin-top: 0.35rem; padding: 0.75rem 0.9rem; border: 1px solid var(--color-border); border-radius: 10px; font: inherit; background: #fff; color: var(--color-text); }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; border-color: transparent; }
.form-consent { display: flex; gap: 0.5rem; align-items: flex-start; font-size: 0.88rem; color: var(--color-muted); margin-bottom: 1.25rem; }
.form-consent input { width: auto; margin: 0.2rem 0 0; }
.contact-line { color: var(--color-muted); font-size: 0.98rem; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(236, 254, 255, 0.85); padding-block: 3rem 1.5rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1.2fr; } }
.site-footer h3 { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { color: rgba(236, 254, 255, 0.85); }
.site-footer a:hover { color: #fff; }
.site-footer address { font-style: normal; color: rgba(236, 254, 255, 0.85); line-height: 1.7; margin-bottom: 1rem; }
.legal-links { margin-top: 1rem; font-size: 0.9rem; }
.logo--footer img { height: 64px; filter: brightness(0) invert(1); }
.copyright { border-top: 1px solid rgba(236, 254, 255, 0.15); padding-top: 1.25rem; margin-top: 2rem; font-size: 0.85rem; color: rgba(236, 254, 255, 0.65); }

/* === Reveal === */
.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; } }

/* === Cookie banner === */
.cookie-banner { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; max-width: 520px; margin-inline: auto; display: none; z-index: 9999; background: var(--color-neutral-dark); color: var(--color-neutral-light); padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.cookie-banner.is-visible { display: block; }
.cookie-banner p { font-size: 0.92rem; margin: 0 0 0.85rem; line-height: 1.5; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner button { font: inherit; font-family: var(--font-heading); font-weight: 600; font-size: 0.88rem; padding: 0.6rem 1rem; border-radius: 999px; border: 1px solid rgba(236, 254, 255, 0.25); background: transparent; color: var(--color-neutral-light); cursor: pointer; }
.cookie-banner button[data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cookie-banner button:hover { transform: translateY(-1px); }
.cookie-banner__prefs { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(236, 254, 255, 0.15); }
.cookie-banner__prefs label { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.cookie-banner__prefs button { align-self: flex-start; margin-top: 0.5rem; }