/* === Tokens === */
:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #059669;
  --color-neutral-dark: #164E63;
  --color-neutral-light: #ECFEFF;
  --color-text: #0f2e39;
  --color-muted: #4a6b78;
  --color-border: rgba(22,78,99,0.14);
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1120px;
}

/* === Base === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: #ffffff;
}
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);
  line-height: 1.2;
  margin: 0 0 0.75em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.narrow { max-width: 720px; }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 1rem;
}
.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: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-neutral-dark);
  border-radius: 2px;
}
.site-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
}
.site-nav.is-open { display: flex; }
.site-nav a {
  padding: 0.65rem 0.25rem;
  color: var(--color-neutral-dark);
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.95rem;
}
.site-nav a[aria-current="page"] { color: var(--color-primary); }

@media (min-width: 768px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .site-nav {
    display: flex;
    flex-direction: row;
    position: static;
    padding: 0;
    border: 0;
    gap: 1.75rem;
    background: transparent;
  }
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-neutral-dark); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: #047857; }
.btn-outline { background: transparent; color: var(--color-neutral-dark); border-color: var(--color-neutral-dark); }
.btn-outline:hover { background: var(--color-neutral-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-neutral-light); border-color: rgba(236,254,255,0.4); }
.btn-sm { padding: 0.55rem 1rem; font-size: 0.85rem; }

/* === Hero (stacked) === */
.hero {
  padding-block: 3rem 2rem;
  background: linear-gradient(180deg, var(--color-neutral-light) 0%, #ffffff 100%);
}
.hero .container { max-width: 780px; }
.hero .eyebrow {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.hero h1 { text-align: left; margin-bottom: 2rem; }
.hero-figure {
  margin: 0 0 2.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(22,78,99,0.35);
}
.hero-figure img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 58ch;
  margin-bottom: 1.75rem;
}
@media (min-width: 768px) {
  .hero { padding-block: 5rem 3rem; }
  .hero-sub { font-size: 1.25rem; }
}

/* === Sections === */
.section { padding-block: 3.5rem; }
.section-alt { background: var(--color-neutral-light); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head .lede { color: var(--color-muted); }
.lede { font-size: 1.1rem; color: var(--color-muted); }
@media (min-width: 768px) { .section { padding-block: 5rem; } }

/* === Grid & Cards === */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -25px rgba(22,78,99,0.3); }
.section-alt .card { background: #ffffff; }
.card .icon { color: var(--color-primary); margin-bottom: 1rem; }
.card h3 { color: var(--color-neutral-dark); }
.card p { color: var(--color-muted); margin-bottom: 0; }

/* === Testimonial === */
.testimonial-section { background: var(--color-neutral-light); }
.testimonial { margin: 0; text-align: center; }
.testimonial-portrait {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.25rem;
  border: 3px solid #ffffff;
  box-shadow: 0 10px 30px -10px rgba(22,78,99,0.35);
}
.testimonial blockquote {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-neutral-dark);
}
.testimonial blockquote p::before { content: "\201C"; margin-right: 0.15em; }
.testimonial blockquote p::after { content: "\201D"; margin-left: 0.15em; }
.testimonial cite {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-muted);
}
@media (min-width: 768px) {
  .testimonial blockquote { font-size: 1.35rem; }
}

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: var(--color-neutral-light);
  padding-block: 3.5rem;
  text-align: center;
}
.cta-band h2 { color: #ffffff; }
.cta-band p { color: rgba(236,254,255,0.9); max-width: 52ch; margin-inline: auto; }

/* === FAQ === */
.faq details {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}
.faq details:first-child { border-top: 1px solid var(--color-border); }
.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;
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--color-primary);
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin-top: 0.75rem; color: var(--color-muted); margin-bottom: 0; }

/* === Contact band === */
.contact-band { text-align: left; }

/* === Form === */
.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-neutral-dark);
}
.form-row input,
.form-row textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  color: var(--color-text);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
}
.form-consent input { margin-top: 0.25rem; }
.contact-form .btn { align-self: flex-start; }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark);
  color: rgba(236,254,255,0.85);
  padding-block: 3rem 1.5rem;
  margin-top: 2rem;
}
.site-footer h3 {
  color: #ffffff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.site-footer a { color: rgba(236,254,255,0.9); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(236,254,255,0.14);
}
.footer-logo img { height: 64px; filter: brightness(0) invert(1); margin-bottom: 0.75rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.5rem; }
.footer-grid address { font-style: normal; line-height: 1.7; margin-bottom: 1rem; }
.legal-links { display: flex; flex-wrap: wrap; gap: 0.75rem; font-size: 0.9rem; }
.copyright { padding-top: 1.25rem; font-size: 0.85rem; color: rgba(236,254,255,0.65); }
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.4fr; gap: 3rem; }
}

/* === 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: 1.1rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: 0 25px 50px -20px rgba(0,0,0,0.45);
  max-width: 520px;
  margin-left: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 0.9rem; font-size: 0.92rem; line-height: 1.5; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner__prefs {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(236,254,255,0.18);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.cookie-banner__prefs label { display: flex; align-items: center; gap: 0.5rem; }
.cookie-banner__prefs .btn { align-self: flex-start; margin-top: 0.4rem; }