:root {
  --color-primary: #18181B;
  --color-secondary: #3F3F46;
  --color-accent: #2563EB;
  --color-neutral-dark: #09090B;
  --color-neutral-light: #FAFAFA;
  --color-border: rgba(9,9,11,0.10);
  --color-muted: #71717A;
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 20px rgba(9,9,11,0.06);
  --shadow-md: 0 12px 40px -12px rgba(9,9,11,0.18);
  --shadow-lg: 0 30px 60px -30px rgba(9,9,11,0.30);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-hover: cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Base === */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-primary);
  background: var(--color-neutral-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color .2s var(--ease-hover); }
a:hover { color: var(--color-primary); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-primary); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 1rem; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.2vw, 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: 0 auto; padding: 0 1.25rem; }
.container--narrow { max-width: 780px; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-accent);
  margin: 0 0 1rem;
}

.lede { font-size: 1.15rem; color: var(--color-secondary); max-width: 56ch; }

/* === Header / Nav === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,250,0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background .25s var(--ease-hover), box-shadow .25s var(--ease-hover), border-color .25s var(--ease-hover);
}
.site-header.scrolled {
  background: rgba(250,250,250,0.92);
  box-shadow: 0 6px 24px -12px rgba(9,9,11,0.15);
  border-bottom-color: var(--color-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.25rem;
}
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; }

.nav-toggle {
  display: inline-flex; flex-direction: column; gap: 5px;
  background: transparent; border: 0; cursor: pointer;
  padding: .5rem; border-radius: 8px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.primary-nav {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--color-neutral-light);
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
  flex-direction: column;
  gap: .25rem;
}
.primary-nav.is-open { display: flex; }
.primary-nav a {
  color: var(--color-primary);
  font-weight: 500;
  padding: .65rem .25rem;
  position: relative;
}
.primary-nav a[aria-current="page"] { color: var(--color-accent); }
.primary-nav .nav-cta {
  background: var(--color-primary); color: var(--color-neutral-light);
  padding: .6rem 1rem; border-radius: 999px; text-align: center;
  margin-top: .25rem;
}
.primary-nav .nav-cta:hover { background: var(--color-accent); color: var(--color-neutral-light); }

@media (min-width: 768px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav {
    display: flex; position: static; flex-direction: row;
    background: transparent; border: 0; padding: 0; gap: 1.75rem;
    align-items: center;
  }
  .primary-nav a { padding: .5rem 0; }
  .primary-nav a:not(.nav-cta)::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0;
    height: 2px; background: var(--color-accent);
    transform: scaleX(0); transform-origin: left;
    transition: transform .25s var(--ease-hover);
  }
  .primary-nav a:not(.nav-cta):hover::after,
  .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
  .primary-nav .nav-cta { margin-top: 0; padding: .55rem 1.1rem; }
}

/* === Hero (hero-card archetype) === */
.hero {
  position: relative;
  padding: 3rem 0 4rem;
  background:
    radial-gradient(1200px 400px at 50% -100px, rgba(37,99,235,0.10), transparent 60%),
    linear-gradient(180deg, rgba(37,99,235,0.04), transparent 70%),
    var(--color-neutral-light);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(37,99,235,0.08), transparent 35%),
    radial-gradient(circle at 85% 75%, rgba(24,24,27,0.06), transparent 40%);
  pointer-events: none;
}
.hero-card__panel {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: left;
}
.hero-card__panel h1 { margin-bottom: 1.25rem; }
.hero-ctas {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin: 1.5rem 0 2rem;
}
.hero-card__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(9,9,11,0.35);
}
.hero-card__figure img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

@media (min-width: 768px) {
  .hero { padding: 5rem 0 6rem; }
  .hero-card__panel { padding: 4rem; }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease-hover), box-shadow .2s var(--ease-hover), background .2s var(--ease-hover), color .2s var(--ease-hover);
  line-height: 1;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #27272A);
  color: var(--color-neutral-light);
  box-shadow: 0 10px 30px -12px rgba(24,24,27,0.5);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(37,99,235,0.55);
  background: linear-gradient(135deg, var(--color-accent), #1D4ED8);
  color: var(--color-neutral-light);
}
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.btn-sm { padding: .55rem 1rem; font-size: .9rem; }
.btn:focus-visible { outline: 3px solid rgba(37,99,235,0.4); outline-offset: 2px; }

/* === Sections === */
.section { padding: 4rem 0; }
.section--narrow .container { max-width: 780px; }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section__sub { color: var(--color-secondary); font-size: 1.05rem; margin: 0; }

@media (min-width: 768px) { .section { padding: 6rem 0; } }

/* === Grids & Cards === */
.grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .grid-3, .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 {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease-hover), box-shadow .25s var(--ease-hover), border-color .25s var(--ease-hover);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(37,99,235,0.35);
}
.card h3 { margin-top: .5rem; }
.card p { color: var(--color-secondary); margin: 0; }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37,99,235,0.14), rgba(37,99,235,0.06));
  color: var(--color-accent);
  margin-bottom: .5rem;
}

/* === Quote === */
.section--quote { background: linear-gradient(180deg, transparent, rgba(37,99,235,0.04)); }
.quote {
  max-width: 780px; margin: 0 auto;
  text-align: center;
  padding: 2rem 1rem;
}
.quote p {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  line-height: 1.45;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}
.quote cite {
  font-style: normal;
  font-size: .95rem;
  color: var(--color-muted);
  font-weight: 500;
}

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), #27272A 60%, var(--color-accent) 140%);
  color: var(--color-neutral-light);
  padding: 3.5rem 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 90% 20%, rgba(37,99,235,0.35), transparent 60%);
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  display: flex; flex-direction: column; gap: 1.5rem;
  align-items: flex-start;
}
.cta-band h2, .cta-band p { color: var(--color-neutral-light); }
.cta-band p { color: rgba(250,250,250,0.82); margin: 0; }
.cta-band .btn-primary {
  background: var(--color-neutral-light); color: var(--color-primary);
  box-shadow: 0 10px 30px -12px rgba(0,0,0,0.5);
}
.cta-band .btn-primary:hover {
  background: var(--color-accent); color: var(--color-neutral-light);
}
.cta-band__meta { font-size: .9rem; opacity: .8; }
@media (min-width: 768px) {
  .cta-band__inner { flex-direction: row; align-items: center; justify-content: space-between; gap: 3rem; }
  .cta-band__inner > div { max-width: 640px; }
}

/* === FAQ === */
.faq details {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
  transition: box-shadow .2s var(--ease-hover), border-color .2s var(--ease-hover);
}
.faq details[open] { box-shadow: var(--shadow-sm); border-color: rgba(37,99,235,0.35); }
.faq summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-primary);
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .25rem 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--color-accent);
  font-size: 1.35rem;
  font-weight: 400;
  transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: .75rem 0 0; color: var(--color-secondary); }

/* === Form === */
.card--form { padding: 2rem 1.5rem; }
@media (min-width: 768px) { .card--form { padding: 2.75rem; } }
.field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1.15rem; }
.field label {
  font-family: var(--font-heading);
  font-weight: 600; font-size: .9rem;
  color: var(--color-primary);
}
.field input, .field textarea {
  font: inherit;
  font-family: var(--font-body);
  padding: .75rem .9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  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-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.form-consent {
  display: flex; align-items: flex-start; gap: .6rem;
  font-size: .9rem; color: var(--color-secondary);
  margin-bottom: 1.25rem;
}
.form-consent input { margin-top: .2rem; }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark);
  color: rgba(250,250,250,0.82);
  padding: 3.5rem 0 1.5rem;
  margin-top: 2rem;
}
.site-footer h4 {
  color: var(--color-neutral-light);
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0 0 1rem;
}
.site-footer a { color: rgba(250,250,250,0.82); }
.site-footer a:hover { color: var(--color-neutral-light); }
.site-footer__grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer address { font-style: normal; line-height: 1.7; margin-bottom: 1rem; }
.footer-tag { color: rgba(250,250,250,0.7); max-width: 32ch; }
.footer-legal { margin-top: 1rem !important; display: flex !important; flex-wrap: wrap; gap: 1rem; font-size: .9rem; }
.footer-legal li { margin: 0; }
.logo--footer img { filter: brightness(0) invert(1); height: 60px; }
.site-footer__base {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(250,250,250,0.12);
  font-size: .85rem;
  color: rgba(250,250,250,0.6);
}
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: 1.2fr 1fr 1.2fr; gap: 3rem; }
  .logo--footer img { height: 72px; }
}

/* === Reveal (scroll animation) === */
.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; }
}

/* === 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 1.35rem;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.5);
  max-width: 620px;
  margin: 0 auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: .95rem; color: rgba(250,250,250,0.85); }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner .btn-ghost { color: var(--color-neutral-light); border-color: rgba(250,250,250,0.25); }
.cookie-banner .btn-ghost:hover { border-color: var(--color-neutral-light); }
.cookie-banner .btn-primary { background: var(--color-accent); color: var(--color-neutral-light); box-shadow: none; }
.cookie-banner .btn-primary:hover { background: #1D4ED8; }
.cookie-banner__prefs { margin-top: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.cookie-banner__prefs label { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.cookie-banner__prefs button { align-self: flex-start; margin-top: .5rem; }