:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #134E4A;
  --color-neutral-light: #F0FDFA;
  --color-text: #0F2E2C;
  --color-muted: #4B6A68;
  --color-border: rgba(19, 78, 74, 0.12);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 20px rgba(15, 46, 44, 0.06);
  --shadow-md: 0 10px 30px -12px rgba(15, 46, 44, 0.18);
  --shadow-lg: 0 30px 60px -30px rgba(15, 46, 44, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* === Base === */
*, *::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-text);
  background: var(--color-neutral-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s var(--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 .75rem; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }
.container--narrow { max-width: 760px; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(34, 211, 238, 0.14);
  padding: .35rem .8rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

/* === Buttons === */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
  line-height: 1.2;
}
.btn--primary { background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: #fff; box-shadow: var(--shadow-md); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.btn--accent { background: var(--color-accent); color: #062712; }
.btn--accent:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); color: #062712; }
.btn--ghost { background: transparent; color: var(--color-neutral-dark); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 3px; }

/* === Header / Nav === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(240, 253, 250, 0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}
.site-header.scrolled { background: rgba(240, 253, 250, 0.92); box-shadow: var(--shadow-sm); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; padding-block: .75rem; gap: 1rem; }
.logo img { height: 72px; width: auto; display: block; }
@media (min-width: 768px) { .logo img { height: 96px; } }
.logo--footer img { height: 64px; }
.nav-toggle {
  background: transparent; border: 1px solid var(--color-border); border-radius: 10px;
  padding: .5rem; color: var(--color-neutral-dark); cursor: pointer; display: inline-flex;
}
.primary-nav { display: none; flex-direction: column; gap: .25rem; }
.primary-nav.is-open { display: flex; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-neutral-light); border-bottom: 1px solid var(--color-border); padding: 1rem 1.25rem; }
.primary-nav a { font-family: var(--font-heading); font-weight: 500; color: var(--color-neutral-dark); padding: .5rem 0; position: relative; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav, .primary-nav.is-open { display: flex; flex-direction: row; position: static; padding: 0; background: transparent; border: 0; gap: 2rem; }
  .primary-nav a::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
    background: var(--color-primary); transform: scaleX(0); transform-origin: left;
    transition: transform .25s var(--ease);
  }
  .primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
}

/* === Hero (hero-centered) === */
.hero { position: relative; text-align: center; padding-block: 4rem 5rem; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -10% 10% auto 10%; height: 60%;
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.28), transparent 65%);
  z-index: -1;
}
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 30%; background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.14), transparent 70%);
  z-index: -1;
}
.hero h1 { max-width: 22ch; margin-inline: auto; }
.hero__sub { max-width: 52ch; margin-inline: auto; font-size: 1.15rem; color: var(--color-muted); }
.hero__ctas { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; margin-top: 1.75rem; }
.hero__image { margin-top: 3rem; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero__image img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
@media (min-width: 768px) {
  .hero { padding-block: 6rem 7rem; }
  .hero__sub { font-size: 1.25rem; }
}

/* === Sections === */
section { padding-block: 3.5rem; }
@media (min-width: 768px) { section { padding-block: 5rem; } }
.section-head { text-align: center; margin-bottom: 2.5rem; }
.section-head p { color: var(--color-muted); max-width: 55ch; margin-inline: auto; }

.intro { text-align: center; }
.intro p { color: var(--color-muted); font-size: 1.08rem; }

/* === Card grid === */
.card-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .card-grid--3, .card-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) {
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}
.card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(8, 145, 178, 0.25); }
.card p { color: var(--color-muted); margin-bottom: 0; }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(8, 145, 178, 0.18));
  color: var(--color-primary); margin-bottom: 1rem;
}

/* === Testimonial === */
.testimonial { text-align: center; }
.testimonial blockquote { margin: 0; }
.testimonial p { font-family: var(--font-heading); font-size: clamp(1.15rem, 2.2vw, 1.5rem); line-height: 1.5; color: var(--color-neutral-dark); font-weight: 500; }
.testimonial cite { display: block; margin-top: 1.25rem; font-size: .95rem; color: var(--color-muted); font-style: normal; }

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff; text-align: center;
}
.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 55ch; margin-inline: auto; }
.cta-band__inner { display: flex; flex-direction: column; align-items: center; gap: 1rem; }

/* === Stats === */
.stats .card-grid { gap: 1rem; }
.stat { text-align: center; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 2rem 1.5rem; box-shadow: var(--shadow-sm); }
.stat__figure { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; color: var(--color-accent); margin-bottom: .25rem; letter-spacing: -0.03em; }
.stat h3 { color: var(--color-neutral-dark); margin-bottom: .75rem; }
.stat p { color: var(--color-muted); margin-bottom: 0; font-size: .95rem; }

/* === FAQ === */
.faq details {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 1rem 1.25rem; margin-bottom: .75rem; box-shadow: var(--shadow-sm);
  transition: box-shadow .2s var(--ease);
}
.faq details[open] { box-shadow: var(--shadow-md); }
.faq summary { cursor: pointer; font-family: var(--font-heading); font-weight: 600; color: var(--color-neutral-dark); list-style: none; padding: .25rem 0; position: relative; padding-right: 2rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--color-primary); font-weight: 400; transition: transform .2s var(--ease); }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: .75rem; color: var(--color-muted); }

/* === Contact === */
.contact-band { text-align: center; }
.contact-lines { font-style: normal; line-height: 1.9; color: var(--color-neutral-dark); margin-bottom: 1.5rem; }
.contact-form { display: grid; gap: 1rem; text-align: left; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field label { font-family: var(--font-heading); font-weight: 500; font-size: .95rem; color: var(--color-neutral-dark); }
.field input, .field textarea {
  font: inherit; font-family: var(--font-body);
  padding: .8rem 1rem; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); background: #fff; color: var(--color-text);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(8,145,178,0.15); }
.form-consent { display: flex; align-items: flex-start; gap: .6rem; font-size: .9rem; color: var(--color-muted); line-height: 1.5; }
.form-consent input { margin-top: .25rem; flex-shrink: 0; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(240, 253, 250, 0.85); padding-block: 3.5rem 1.5rem; margin-top: 2rem; }
.site-footer h4 { color: #fff; margin-bottom: 1rem; }
.site-footer a { color: rgba(240, 253, 250, 0.85); }
.site-footer a:hover { color: var(--color-secondary); }
.site-footer__grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1.2fr 1fr 1.3fr; gap: 3rem; } }
.footer__tag { color: rgba(240, 253, 250, 0.7); margin-top: 1rem; }
.footer-nav { display: flex; flex-direction: column; gap: .5rem; }
.footer-contact address { font-style: normal; line-height: 1.8; margin-bottom: 1rem; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .9rem; }
.site-footer__base { border-top: 1px solid rgba(240,253,250,0.15); margin-top: 2.5rem; padding-top: 1.5rem; text-align: center; font-size: .9rem; color: rgba(240,253,250,0.65); }
.site-footer__base p { margin: 0; }

/* === 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 1.4rem; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); max-width: 640px; margin-inline: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: .95rem; line-height: 1.5; color: rgba(240,253,250,0.9); }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner__actions .btn { padding: .6rem 1rem; font-size: .9rem; }
.cookie-banner__actions .btn--ghost { color: var(--color-neutral-light); border-color: rgba(240,253,250,0.3); }
.cookie-banner__actions .btn--ghost:hover { border-color: var(--color-secondary); color: var(--color-secondary); }
.cookie-banner__prefs { margin-top: 1rem; display: grid; gap: .6rem; padding-top: 1rem; border-top: 1px solid rgba(240,253,250,0.15); }
.cookie-banner__prefs label { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }

/* === Scroll 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; }
  html { scroll-behavior: auto; }
}