:root {
  --color-primary: #18181B;
  --color-secondary: #27272A;
  --color-accent: #F8FAFC;
  --color-neutral-dark: #09090B;
  --color-neutral-light: #FAFAFA;
  --color-border: rgba(9, 9, 11, 0.12);
  --color-muted: rgba(9, 9, 11, 0.62);
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --max-w: 1200px;
  --radius: 20px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-neutral-dark);
  background: var(--color-neutral-light);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--color-secondary); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); line-height: 1.2; margin: 0 0 1rem; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 0.95rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
p { margin: 0 0 1rem; }
.container { width: 100%; max-width: var(--max-w); margin-inline: auto; padding-inline: 1.25rem; }
.container.narrow { max-width: 780px; }
.center { text-align: center; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 600; color: var(--color-muted); margin: 0 0 0.75rem; }
.lede { font-size: 1.1rem; color: var(--color-secondary); }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--color-primary); color: var(--color-neutral-light); }
.btn-primary:hover { background: var(--color-secondary); color: var(--color-neutral-light); transform: translateY(-1px); }
.btn-accent { background: var(--color-accent); color: var(--color-primary); border-color: var(--color-accent); }
.btn-accent:hover { background: var(--color-neutral-light); transform: translateY(-1px); }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.75rem; }
.logo { display: inline-flex; text-decoration: none; line-height: 0; }
.logo img { height: 72px; width: auto; display: block; }
.nav-toggle {
  background: none; border: 0; padding: 0.5rem; cursor: pointer;
  display: inline-flex; flex-direction: column; gap: 5px;
}
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--color-primary); }
.primary-nav { display: none; }
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.primary-nav a { text-decoration: none; font-family: var(--font-heading); font-weight: 500; font-size: 0.95rem; color: var(--color-secondary); padding: 0.4rem 0; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); border-bottom: 1px solid var(--color-primary); }
.primary-nav.is-open { display: block; padding: 1rem 0 1.25rem; border-top: 1px solid var(--color-border); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav { display: block; }
  .primary-nav ul { flex-direction: row; gap: 1.5rem; }
  .logo img { height: 96px; }
}

/* === Hero (hero-card archetype) === */
.hero { padding-block: 3rem; background: linear-gradient(180deg, #F4F4F5 0%, var(--color-neutral-light) 100%); }
.hero-card__card {
  max-width: 880px;
  margin-inline: auto;
  padding: 2.5rem 1.5rem;
  background: var(--color-neutral-light);
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
}
.hero-card__card h1 { max-width: 22ch; }
.hero-card__figure { margin: 2rem 0 0; }
.hero-card__figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 12px;
}
@media (min-width: 768px) {
  .hero { padding-block: 5rem; }
  .hero-card__card { padding: 4rem; }
}

/* === Sections === */
.section { padding-block: 3.5rem; }
.section-alt { background: #F4F4F5; }
.section-narrow .container { max-width: 780px; }
.section-head { max-width: 760px; margin: 0 0 2.5rem; }
.section-head h2 { margin-bottom: 0.75rem; }

/* === Grid & cards === */
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.card {
  padding: 1.75rem;
  background: var(--color-neutral-light);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { margin: 0; color: var(--color-secondary); font-size: 0.98rem; }
.card-icon { color: var(--color-primary); margin-bottom: 0.75rem; }
a.card-link { text-decoration: none; color: inherit; display: block; }
a.card-link:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -25px rgba(0,0,0,0.35); }

/* === Stats === */
.stats .stat { text-align: left; }
.stat-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* === Quote === */
.section-quote { padding-block: 4rem; background: var(--color-primary); color: var(--color-neutral-light); }
.section-quote blockquote { margin: 0; text-align: center; }
.section-quote blockquote p {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.5;
  max-width: 60ch;
  margin-inline: auto;
  color: var(--color-neutral-light);
}
.section-quote cite {
  display: block;
  margin-top: 1.5rem;
  font-style: normal;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250,250,250,0.7);
}

/* === CTA band === */
.cta-band { background: var(--color-secondary); color: var(--color-neutral-light); padding-block: 4rem; }
.cta-band h2 { color: var(--color-neutral-light); }
.cta-band .lede { color: rgba(250,250,250,0.8); }

/* === Contact page === */
.contact-line { text-align: center; font-size: 1.05rem; }
.contact-form { display: grid; gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-weight: 600; font-size: 0.9rem; font-family: var(--font-heading); }
.field input, .field textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-neutral-light);
  color: var(--color-neutral-dark);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: var(--color-secondary); flex-wrap: wrap; }
.form-consent input { margin-top: 4px; }

/* === FAQ === */
.faq details {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}
.faq summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  padding-right: 2rem;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 0; top: 0;
  font-size: 1.4rem; font-weight: 400;
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0.75rem 0 0; color: var(--color-secondary); }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: var(--color-neutral-light); padding-block: 3.5rem 1.5rem; margin-top: 3rem; }
.site-footer a { color: var(--color-neutral-light); }
.site-footer .logo img { filter: brightness(0) invert(1); height: 60px; }
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1.4fr; } }
.site-footer h4 { color: var(--color-neutral-light); margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.site-footer address { font-style: normal; margin-bottom: 1rem; line-height: 1.7; }
.legal-links { display: flex; flex-wrap: wrap; gap: 0.75rem; font-size: 0.85rem; }
.legal-links li { border-right: 1px solid rgba(250,250,250,0.25); padding-right: 0.75rem; }
.legal-links li:last-child { border-right: 0; padding-right: 0; }
.tagline { color: rgba(250,250,250,0.7); font-family: var(--font-heading); font-size: 0.95rem; margin-top: 0.75rem; }
.copyright { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(250,250,250,0.15); font-size: 0.85rem; color: rgba(250,250,250,0.6); }
.copyright 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 1.5rem;
  border-radius: 14px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
  max-width: 640px;
  margin-inline: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 0.9rem; font-size: 0.92rem; }
.cookie-banner a { color: var(--color-neutral-light); }
.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: 0.85rem;
  padding: 0.55rem 1rem;
  border-radius: 999px; border: 1px solid rgba(250,250,250,0.4);
  background: transparent; color: var(--color-neutral-light);
  cursor: pointer;
}
.cookie-banner [data-cookie-accept] { background: var(--color-accent); color: var(--color-primary); border-color: var(--color-accent); }
.cookie-banner__prefs { margin-top: 0.9rem; display: grid; gap: 0.4rem; font-size: 0.9rem; }
.cookie-banner__prefs label { display: flex; gap: 0.5rem; align-items: center; }
.cookie-banner__prefs [data-cookie-save] { justify-self: start; margin-top: 0.5rem; }