:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #164E63;
  --color-neutral-light: #ECFEFF;
  --color-text: #0B2733;
  --color-muted: #4A6B75;
  --color-line: rgba(22, 78, 99, 0.12);
  --font-heading: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 16px;
  --shadow-sm: 0 2px 20px rgba(11, 39, 51, 0.06);
  --shadow-md: 0 12px 40px -12px rgba(11, 39, 51, 0.18);
  --shadow-lg: 0 30px 60px -30px rgba(11, 39, 51, 0.28);
}

/* === Base === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; 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%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 1rem; }
h1 { font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1rem; }
button { font: inherit; cursor: pointer; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--color-neutral-dark); color: #fff; padding: .75rem 1rem; z-index: 10000; }
.skip-link:focus { left: 1rem; top: 1rem; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 1.25rem; }
.container--narrow { max-width: 760px; }

.eyebrow {
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 1rem;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .95rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  text-decoration: none;
  line-height: 1;
}
.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, 0.55);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(8, 145, 178, 0.6); text-decoration: none; }
.btn--ghost {
  background: transparent;
  color: var(--color-neutral-dark);
  border-color: var(--color-line);
}
.btn--ghost:hover { background: var(--color-neutral-light); text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-line);
  box-shadow: 0 6px 20px -12px rgba(11, 39, 51, 0.2);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .75rem;
}
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; display: block; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: #fff;
}
.nav-toggle__bar { display: block; width: 20px; height: 2px; background: var(--color-neutral-dark); margin-inline: auto; transition: transform .2s var(--ease), opacity .2s var(--ease); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.primary-nav {
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-line);
  display: none;
}
.primary-nav.is-open { display: block; }
.primary-nav ul { list-style: none; margin: 0; padding: 1rem 1.25rem 1.25rem; display: flex; flex-direction: column; gap: .25rem; }
.primary-nav a {
  display: block;
  padding: .75rem .5rem;
  color: var(--color-neutral-dark);
  font-family: var(--font-heading);
  font-weight: 500;
  border-radius: 10px;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { background: var(--color-neutral-light); text-decoration: none; }
.primary-nav .nav-cta { color: #fff; background: var(--color-primary); }
.primary-nav .nav-cta:hover { background: var(--color-neutral-dark); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav { position: static; display: block; background: transparent; border: 0; backdrop-filter: none; }
  .primary-nav ul { flex-direction: row; align-items: center; gap: .25rem; padding: 0; }
  .primary-nav a { padding: .55rem .9rem; font-size: .95rem; position: relative; }
  .primary-nav a::after {
    content: '';
    position: absolute; left: .9rem; right: .9rem; bottom: .3rem;
    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); }
  .primary-nav a:hover { background: transparent; }
  .primary-nav .nav-cta { color: #fff; background: var(--color-primary); }
  .primary-nav .nav-cta::after { display: none; }
}
@media (min-width: 768px) {
  .logo img { height: 96px; }
}

/* === Hero (centered) === */
.hero { position: relative; padding-block: 4rem; overflow: hidden; }
.hero--centered { text-align: center; }
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 55% at 50% 15%, rgba(34, 211, 238, 0.22), transparent 60%),
    radial-gradient(ellipse 45% 40% at 85% 30%, rgba(34, 197, 94, 0.14), transparent 60%),
    linear-gradient(180deg, var(--color-neutral-light), #ffffff 70%);
  z-index: -1;
}
.hero__title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  max-width: 22ch;
  margin: 0 auto 1.25rem;
}
.hero--centered .hero__title { margin-inline: auto; }
.hero__sub {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--color-muted);
  max-width: 52ch;
  margin: 0 auto 2rem;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin: 0 auto 3rem; }
.hero__image {
  margin-top: 2rem;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #fff;
}
.hero__image img { width: 100%; height: auto; display: block; aspect-ratio: 16 / 9; object-fit: cover; }
@media (min-width: 768px) {
  .hero { padding-block: 6rem; }
}

/* === Intro / narrow sections === */
.intro { padding-block: 3.5rem; }
.intro h2 { margin-bottom: 1.25rem; }
.intro p { color: var(--color-text); font-size: 1.05rem; }

/* === Section head === */
.section-head { text-align: center; max-width: 700px; margin: 0 auto 2.5rem; }
.section-head p { color: var(--color-muted); }

/* === Highlights / cards === */
.highlights { padding-block: 3.5rem; }
.grid { display: grid; gap: 1.25rem; }
.grid--cards { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid--cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid--cards { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .grid--cards-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  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, 0.35); }
.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: .5rem; }
.card p { color: var(--color-muted); margin: 0; font-size: .98rem; }

.card-link { display: block; color: inherit; text-decoration: none; }
.card-link:hover { text-decoration: none; }
.card-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* === Testimonial === */
.testimonial { padding-block: 3.5rem; }
.testimonial blockquote {
  margin: 0;
  text-align: center;
  position: relative;
  padding: 2rem 1rem;
}
.testimonial blockquote p {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  color: var(--color-neutral-dark);
  line-height: 1.4;
  font-weight: 500;
  margin-bottom: 1.25rem;
}
.testimonial cite {
  font-style: normal;
  color: var(--color-muted);
  font-size: .95rem;
}

/* === CTA band === */
.cta-band {
  padding-block: 3rem;
}
.cta-band__inner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  display: flex; flex-direction: column; gap: 1.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-band__inner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(34, 197, 94, 0.25), transparent 55%);
  pointer-events: none;
}
.cta-band__inner h2, .cta-band__inner p { color: #fff; margin: 0; position: relative; }
.cta-band__inner h2 { margin-bottom: .5rem; }
.cta-band__inner p { opacity: 0.9; }
.cta-band__inner .btn { position: relative; }
.cta-band__inner .btn--primary {
  background: #fff; color: var(--color-neutral-dark);
  box-shadow: 0 12px 30px -12px rgba(0,0,0,0.4);
}
.cta-band__inner .btn--primary:hover { background: var(--color-accent); color: #fff; }
@media (min-width: 768px) {
  .cta-band__inner { flex-direction: row; align-items: center; justify-content: space-between; padding: 3rem 3.5rem; }
}

/* === FAQ === */
.faq { padding-block: 3.5rem; }
.faq h2 { text-align: center; margin-bottom: 2rem; }
.faq__list { display: flex; flex-direction: column; gap: .75rem; }
.faq details {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.faq details[open] { border-color: rgba(8, 145, 178, 0.4); box-shadow: var(--shadow-sm); }
.faq summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-neutral-dark);
  padding: .35rem 0;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform .2s var(--ease);
}
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--color-muted); margin: .75rem 0 .25rem; }

/* === Contact form === */
.contact-form-section { padding-block: 2rem 3.5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: .35rem; }
.form-row label { font-family: var(--font-heading); font-weight: 500; color: var(--color-neutral-dark); font-size: .95rem; }
.form-row input, .form-row textarea {
  font: inherit;
  padding: .85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  background: #fff;
  color: var(--color-text);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.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, 0.12);
}
.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: .2rem; }
.contact-form .btn { align-self: flex-start; }

.contact-info { padding-block: 2.5rem; }

/* === Footer === */
.site-footer {
  margin-top: 4rem;
  background: var(--color-neutral-dark);
  color: rgba(236, 254, 255, 0.9);
  padding-top: 3rem;
}
.site-footer h3 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 1rem; }
.site-footer a { color: rgba(236, 254, 255, 0.85); }
.site-footer a:hover { color: var(--color-secondary); text-decoration: none; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1.2fr 1fr 1.2fr; } }
.logo--footer img { height: 64px; filter: brightness(0) invert(1); }
.site-footer__tag { margin-top: 1rem; color: rgba(236, 254, 255, 0.7); font-size: .95rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.site-footer address { font-style: normal; line-height: 1.7; margin-bottom: 1rem; }
.site-footer__legal { margin-top: 1rem; font-size: .9rem; }
.site-footer__bottom {
  border-top: 1px solid rgba(236, 254, 255, 0.15);
  padding-block: 1.25rem;
  font-size: .88rem;
  color: rgba(236, 254, 255, 0.6);
}
.site-footer__bottom p { margin: 0; }

/* === Cookie banner === */
.cookie-banner {
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  max-width: 560px;
  margin-inline: auto;
  display: none;
  z-index: 9999;
  background: var(--color-neutral-dark);
  color: var(--color-neutral-light);
  padding: 1.25rem 1.35rem;
  border-radius: 16px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.45);
  font-size: .92rem;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 .9rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner button {
  border: 1px solid rgba(236,254,255,0.25);
  background: transparent;
  color: var(--color-neutral-light);
  padding: .55rem 1rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: .85rem;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.cookie-banner button:hover { background: rgba(236,254,255,0.1); }
.cookie-banner [data-cookie-accept] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.cookie-banner [data-cookie-accept]:hover { background: #16a34a; border-color: #16a34a; }
.cookie-banner__prefs { margin-top: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.cookie-banner__prefs label { display: inline-flex; gap: .5rem; align-items: center; font-size: .9rem; }
.cookie-banner__prefs [data-cookie-save] { align-self: flex-start; margin-top: .5rem; }

/* === Reveal 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; }
}