:root {
  --color-primary: #18181B;
  --color-secondary: #27272A;
  --color-accent: #F8FAFC;
  --color-neutral-dark: #09090B;
  --color-neutral-light: #FAFAFA;
  --color-line: rgba(9, 9, 11, 0.08);
  --color-muted: #52525B;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-card: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 20px 60px -20px rgba(0,0,0,0.25);
  --radius-lg: 20px;
  --radius-md: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-neutral-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-neutral-dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 1rem;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 600; margin-bottom: 1.25rem; }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: .5rem; }
p { margin: 0 0 1rem; }

/* === Layout === */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: 1.25rem; }
.container.narrow { max-width: 760px; }
.section { padding-block: 4rem; }
.section--tinted { background: linear-gradient(180deg, #F4F4F5 0%, var(--color-neutral-light) 100%); }
@media (min-width: 768px) { .section { padding-block: 6rem; } }

/* === Header / Nav === */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(250,250,250,0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background .2s, border-color .2s, box-shadow .2s;
}
.site-header.scrolled {
  background: rgba(250,250,250,0.92);
  border-bottom-color: var(--color-line);
  box-shadow: 0 6px 20px -12px rgba(0,0,0,0.12);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto;
  padding: .75rem 1.25rem;
  gap: 1rem;
}
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; }
@media (min-width: 768px) { .logo img { height: 96px; } }
.logo--footer img { height: 64px; }

.nav-toggle {
  background: transparent; border: 1px solid var(--color-line);
  color: var(--color-primary);
  padding: .5rem; border-radius: 10px; cursor: pointer;
  display: inline-flex;
}
.primary-nav {
  display: none;
  flex-direction: column;
  gap: .25rem;
  position: absolute;
  top: 100%; left: 0; right: 0;
  padding: 1rem 1.25rem 1.5rem;
  background: var(--color-neutral-light);
  border-bottom: 1px solid var(--color-line);
}
.primary-nav.is-open { display: flex; }
.primary-nav a {
  padding: .65rem 0;
  font-weight: 500;
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-line);
}
.primary-nav a[aria-current="page"] { color: var(--color-neutral-dark); font-weight: 600; }
.primary-nav .nav-cta {
  margin-top: .75rem;
  background: var(--color-primary); color: var(--color-neutral-light);
  padding: .65rem 1rem; border-radius: 10px; text-align: center;
  border-bottom: none;
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav {
    display: flex; position: static; flex-direction: row;
    background: transparent; padding: 0; border: 0; align-items: center;
    gap: 1.75rem;
  }
  .primary-nav a {
    padding: .25rem 0; border: 0; position: relative;
    font-size: .95rem;
  }
  .primary-nav a::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -6px;
    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 .nav-cta { margin: 0; padding: .55rem 1.1rem; }
  .primary-nav .nav-cta::after { display: none; }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.5rem;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600; font-size: .95rem;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-neutral-light);
  box-shadow: 0 8px 24px -12px rgba(0,0,0,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(0,0,0,0.5); }
.btn-ghost {
  background: transparent; color: var(--color-primary);
  border-color: var(--color-line);
}
.btn-ghost:hover { background: rgba(9,9,11,0.04); transform: translateY(-2px); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 6px; }

/* === Hero — hero-card === */
.hero {
  padding-block: 3rem 4rem;
  background:
    radial-gradient(ellipse at 20% -10%, rgba(9,9,11,0.08), transparent 60%),
    radial-gradient(ellipse at 100% 20%, rgba(9,9,11,0.06), transparent 55%),
    linear-gradient(180deg, #EEEEF0 0%, #F4F4F5 60%, var(--color-neutral-light) 100%);
}
.hero-card__inner {
  max-width: 880px; margin: 0 auto;
  padding: 2.5rem 1.5rem;
  background: var(--color-neutral-light);
  border-radius: 24px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.25);
  border: 1px solid var(--color-line);
  text-align: left;
}
@media (min-width: 768px) {
  .hero { padding-block: 5rem 6rem; }
  .hero-card__inner { padding: 4rem; }
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: .8rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 1.25rem;
  padding: .4rem .75rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255,255,255,0.6);
}
.hero-card__inner h1 { max-width: 22ch; }
.hero-card__inner .sub {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 55ch;
  margin-bottom: 2rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2.5rem; }
.hero-card__figure {
  margin: 2rem 0 0; overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
}
.hero-card__figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* === Grids & cards === */
.grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  display: block;
  padding: 1.75rem;
  background: var(--color-neutral-light);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-link { color: inherit; }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(9,9,11,0.9), rgba(39,39,42,0.9));
  color: var(--color-neutral-light);
  margin-bottom: 1rem;
}
.card h3 { color: var(--color-neutral-dark); }
.card p { color: var(--color-muted); font-size: .95rem; margin: 0; }

/* === Stats === */
.stats-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; text-align: left; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(3, 1fr); } }
.stat { padding: 1.75rem; border-left: 3px solid var(--color-primary); }
.stat__number {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700; color: var(--color-neutral-dark);
  margin: 0 0 .5rem; line-height: 1.2;
}
.stat p { color: var(--color-muted); font-size: .95rem; margin: 0; }

/* === Testimonial === */
.testimonial {
  margin: 0; padding: 2.25rem;
  border-radius: var(--radius-md);
  background: var(--color-neutral-light);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-card);
  text-align: left;
}
.testimonial p {
  font-family: var(--font-heading);
  font-size: 1.2rem; line-height: 1.5; font-weight: 500;
  color: var(--color-neutral-dark);
  margin: 0 0 1rem;
}
.testimonial cite {
  font-style: normal; font-size: .9rem; color: var(--color-muted); font-weight: 500;
}

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-neutral-light);
  padding-block: 4rem;
  text-align: center;
}
.cta-band h2 { color: var(--color-neutral-light); }
.cta-band p { color: rgba(250,250,250,0.75); max-width: 55ch; margin: 0 auto 1.75rem; }
.cta-band .btn-primary {
  background: var(--color-neutral-light); color: var(--color-neutral-dark);
  box-shadow: 0 12px 30px -12px rgba(0,0,0,0.5);
}

/* === Contact form === */
.contact-form { display: flex; flex-direction: column; gap: 1.15rem; margin-top: 1.5rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: .9rem; font-weight: 500; color: var(--color-secondary); }
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: .8rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-neutral-light);
  color: var(--color-primary);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(9,9,11,0.08);
}

/* === FAQ === */
.faq details {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem; margin-bottom: .75rem;
  background: var(--color-neutral-light);
}
.faq summary {
  cursor: pointer; font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-neutral-dark);
  padding-right: 1rem;
}
.faq details[open] { box-shadow: var(--shadow-card); }
.faq details p { margin-top: .75rem; color: var(--color-muted); }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark);
  color: rgba(250,250,250,0.75);
  padding-block: 3.5rem 1.5rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid; gap: 2.5rem; grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1.2fr; } }
.site-footer h4 {
  color: var(--color-neutral-light);
  font-size: .95rem; text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 1rem;
}
.site-footer .tagline { color: rgba(250,250,250,0.65); margin-top: 1rem; max-width: 28ch; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer a { color: rgba(250,250,250,0.75); }
.site-footer a:hover { color: var(--color-neutral-light); }
.site-footer address { font-style: normal; margin-bottom: 1rem; line-height: 1.7; }
.legal-links { margin-top: 1rem; font-size: .85rem; }
.copyright {
  margin-top: 2.5rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(250,250,250,0.1);
  font-size: .85rem; color: rgba(250,250,250,0.55);
}
.copyright p { margin: 0; }
.logo--footer img { filter: invert(1) brightness(1.4) contrast(0.9); }

/* === 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);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 20px 50px -10px rgba(0,0,0,0.5);
  max-width: 640px; margin-left: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: .9rem; color: rgba(250,250,250,0.8); }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner__actions .btn { padding: .55rem 1rem; font-size: .85rem; }
.cookie-banner__actions .btn-primary { background: var(--color-accent); color: var(--color-neutral-dark); }
.cookie-banner__actions .btn-ghost { color: var(--color-neutral-light); border-color: rgba(250,250,250,0.2); }
.cookie-banner__actions .btn-ghost:hover { background: rgba(250,250,250,0.08); }
.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 .btn { margin-top: .5rem; align-self: flex-start; }

/* === 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; } }