:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #164E63;
  --color-neutral-light: #ECFEFF;
  --text: #0f2a33;
  --muted: #4a6a74;
  --border: rgba(22, 78, 99, 0.12);
  --radius: 18px;
  --radius-lg: 24px;
  --shadow-soft: 0 2px 20px rgba(15, 42, 51, 0.06);
  --shadow-lift: 0 20px 60px -20px rgba(15, 42, 51, 0.25);
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-hover: cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: #ffffff;
  line-height: 1.6;
  -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-hover); }
a:hover { color: var(--color-neutral-dark); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .75rem; }
h1 { font-size: clamp(2.25rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 1.25rem; }
.narrow { max-width: 760px; margin-inline: auto; }

/* === Header / nav === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(236, 254, 255, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background .3s var(--ease-hover), box-shadow .3s var(--ease-hover);
}
.site-header.scrolled { background: rgba(255,255,255,0.9); box-shadow: 0 6px 24px -12px rgba(15,42,51,0.15); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .5rem; }
.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: 1px solid var(--border); border-radius: 10px;
  color: var(--color-neutral-dark); width: 44px; height: 44px; cursor: pointer;
}
.primary-nav { display: none; }
.primary-nav.is-open { display: flex; }
.primary-nav {
  position: absolute; left: 0; right: 0; top: 100%;
  flex-direction: column; gap: 0;
  background: #fff; padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 20px 40px -20px rgba(15,42,51,0.2);
}
.primary-nav a {
  display: block; padding: .75rem 0; color: var(--color-neutral-dark); font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.primary-nav a:last-child { border-bottom: 0; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav {
    display: flex; position: static; flex-direction: row;
    background: transparent; padding: 0; border-bottom: 0; box-shadow: none;
    gap: 1.75rem;
  }
  .primary-nav a { border-bottom: 0; padding: .25rem 0; position: relative; }
  .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-hover);
  }
  .primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
}

/* === Hero (centered) === */
.hero {
  position: relative;
  padding-block: 3rem 4rem;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(34, 197, 94, 0.10), transparent 55%),
    radial-gradient(ellipse at 80% 10%, rgba(34, 211, 238, 0.18), transparent 55%),
    linear-gradient(180deg, var(--color-neutral-light) 0%, #ffffff 100%);
  overflow: hidden;
}
.hero-inner { text-align: center; }
.eyebrow {
  display: inline-block; font-family: var(--font-heading); font-weight: 600;
  color: var(--color-primary); text-transform: uppercase; letter-spacing: .08em;
  font-size: .8rem; margin-bottom: 1rem;
  padding: .35rem .75rem; background: rgba(8, 145, 178, 0.08); border-radius: 999px;
}
.hero h1 { max-width: 22ch; margin-inline: auto; margin-bottom: 1.25rem; }
.hero-sub { max-width: 52ch; margin-inline: auto; color: var(--muted); font-size: 1.15rem; margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-bottom: 3rem; }
.hero-media { max-width: 1000px; margin-inline: auto; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lift); background: #fff; }
.hero-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

@media (min-width: 768px) {
  .hero { padding-block: 5rem 6rem; }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.5rem; border-radius: 999px;
  font-family: var(--font-heading); font-weight: 600; font-size: 1rem;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .2s var(--ease-hover), box-shadow .2s var(--ease-hover), background .2s var(--ease-hover);
  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 24px -10px rgba(8, 145, 178, 0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -12px rgba(8, 145, 178, 0.6); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--color-neutral-dark);
  border-color: var(--color-neutral-dark);
}
.btn-ghost:hover { transform: translateY(-2px); background: var(--color-neutral-dark); color: #fff; }
.btn-accent {
  background: var(--color-accent); color: #fff;
  box-shadow: 0 10px 24px -10px rgba(34, 197, 94, 0.55);
}
.btn-accent:hover { transform: translateY(-2px); background: #16a34a; color: #fff; box-shadow: 0 16px 32px -12px rgba(34, 197, 94, 0.6); }

/* === Sections === */
.section { padding-block: 4rem; }
.section-tint {
  background:
    radial-gradient(ellipse at 90% 10%, rgba(34, 211, 238, 0.12), transparent 60%),
    var(--color-neutral-light);
}
.section-head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section-sub { color: var(--muted); font-size: 1.05rem; }

.split { display: grid; gap: 2.5rem; align-items: center; }
.split-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 4rem; } }

/* === Grid & cards === */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: #fff; padding: 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow-soft);
  transition: transform .25s var(--ease-hover), box-shadow .25s var(--ease-hover);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--muted); margin: 0; }
.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(8,145,178,0.12), rgba(34,211,238,0.18));
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem;
  margin-bottom: 1rem;
}

/* === Testimonial === */
.testimonial { margin: 0; text-align: center; }
.testimonial p {
  font-family: var(--font-heading); font-weight: 500;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem); line-height: 1.4;
  color: var(--color-neutral-dark); max-width: 60ch; margin: 0 auto 1.25rem;
}
.testimonial cite { font-style: normal; color: var(--muted); font-size: .95rem; }

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff; padding-block: 3.5rem;
}
.cta-band h2 { color: #fff; margin-bottom: .5rem; }
.cta-band p { color: rgba(255,255,255,0.85); margin: 0; }
.cta-band .cta-band-details { font-size: .9rem; margin-top: .5rem; }
.cta-inner { display: grid; gap: 1.5rem; align-items: center; }
@media (min-width: 800px) { .cta-inner { grid-template-columns: 1fr auto; gap: 2rem; } }

/* === FAQ === */
.faq details {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 1rem 1.25rem; margin-bottom: .75rem;
  transition: box-shadow .2s var(--ease-hover);
}
.faq details[open] { 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: 2rem; position: relative;
}
.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); transition: transform .2s var(--ease-hover);
}
.faq details[open] summary::after { content: '−'; }
.faq p { margin: .75rem 0 0; color: var(--muted); }

/* === Contact form === */
.contact-form { display: grid; gap: 1.1rem; background: #fff; padding: 2rem; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.field { display: grid; gap: .4rem; }
.field label { font-weight: 500; font-size: .95rem; color: var(--color-neutral-dark); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 1rem;
  padding: .75rem .9rem; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select: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(--muted); }
.form-consent input { margin-top: .25rem; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: #dbeef4; padding-block: 3rem 1.5rem; margin-top: 4rem; }
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1.2fr; } }
.site-footer .logo img { filter: brightness(0) invert(1); height: 60px; }
.site-footer .tagline { color: #a9d0da; font-size: .95rem; margin-top: .75rem; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: .5rem; }
.site-footer a { color: #cbe6ed; }
.site-footer a:hover { color: #fff; }
.site-footer address { font-style: normal; color: #cbe6ed; line-height: 1.7; }
.legal-links { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; font-size: .85rem; }
.copyright { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 2rem; padding-top: 1rem; text-align: center; font-size: .85rem; color: #a9d0da; }

/* === 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);
  max-width: 520px; box-shadow: 0 24px 60px -20px rgba(0,0,0,0.4);
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: .95rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner button {
  font-family: var(--font-heading); font-weight: 600; font-size: .9rem;
  padding: .55rem 1rem; border-radius: 999px; border: 1px solid rgba(255,255,255,0.2);
  background: transparent; color: var(--color-neutral-light); cursor: pointer;
  transition: background .15s;
}
.cookie-banner button:hover { background: rgba(255,255,255,0.08); }
.cookie-banner [data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cookie-banner [data-cookie-accept]:hover { background: #16a34a; }
.cookie-banner__prefs { margin-top: 1rem; display: grid; gap: .5rem; font-size: .9rem; }
.cookie-banner__prefs label { display: flex; align-items: center; gap: .5rem; }
.cookie-banner__prefs [data-cookie-save] { margin-top: .5rem; justify-self: start; background: var(--color-primary); border-color: var(--color-primary); }

/* === 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; }
}
