/* === Tokens === */
:root {
  --color-primary: #64748B;
  --color-secondary: #94A3B8;
  --color-accent: #F97316;
  --color-neutral-dark: #334155;
  --color-neutral-light: #F8FAFC;
  --color-border: rgba(51, 65, 85, 0.12);
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-lg: 24px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 30px 60px -30px rgba(51, 65, 85, 0.25);
  --max-content: 1160px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-neutral-dark);
  background: var(--color-neutral-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-neutral-dark); text-decoration-color: var(--color-secondary); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); letter-spacing: -0.01em; line-height: 1.2; margin: 0 0 1rem; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-primary); }
p { margin: 0 0 1rem; }

/* === Layout === */
.container { width: 100%; max-width: var(--max-content); margin: 0 auto; padding: 0 1.25rem; }
.container--narrow { max-width: 760px; }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 250, 252, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.75rem 1.25rem; max-width: var(--max-content); margin: 0 auto; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; display: block; }
.nav-toggle { background: none; border: 0; color: var(--color-neutral-dark); padding: 0.5rem; cursor: pointer; }
.primary-nav { display: none; flex-direction: column; gap: 0.75rem; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-neutral-light); border-bottom: 1px solid var(--color-border); padding: 1rem 1.25rem; }
.primary-nav.is-open { display: flex; }
.primary-nav a { text-decoration: none; font-weight: 500; padding: 0.35rem 0; color: var(--color-neutral-dark); }
.primary-nav a[aria-current="page"] { color: var(--color-accent); }
.primary-nav a:hover { color: var(--color-accent); }

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

/* === Hero (hero-card) === */
.hero {
  padding: 2.5rem 0;
  background: linear-gradient(180deg, rgba(100, 116, 139, 0.10), rgba(100, 116, 139, 0.02));
}
.hero-card__inner {
  background: var(--color-neutral-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  box-shadow: var(--shadow-card);
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  border: 1px solid var(--color-border);
}
.eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-primary); margin: 0 0 1rem; }
.hero-card__inner h1 { max-width: 28ch; margin-left: auto; margin-right: auto; }
.lede { font-size: 1.125rem; color: var(--color-primary); max-width: 52ch; margin-left: auto; margin-right: auto; margin-bottom: 1.75rem; }
.hero-card__figure { margin: 2rem 0 0; border-radius: var(--radius-md); overflow: hidden; }
.hero-card__figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

@media (min-width: 768px) {
  .hero { padding: 4.5rem 0; }
  .hero-card__inner { padding: 4rem 3.5rem; }
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  cursor: pointer;
}
.btn-primary { background: var(--color-neutral-dark); color: var(--color-neutral-light); }
.btn-primary:hover { background: var(--color-primary); color: var(--color-neutral-light); transform: translateY(-1px); }
.btn-accent { background: var(--color-accent); color: var(--color-neutral-light); }
.btn-accent:hover { background: #ea6a10; color: var(--color-neutral-light); transform: translateY(-1px); }

/* === Sections === */
.section { padding: 3rem 0; }
.section--narrow .container { max-width: 760px; }
.section--tint { background: rgba(100, 116, 139, 0.06); }
.section__title { text-align: center; margin-bottom: 2rem; }

@media (min-width: 768px) {
  .section { padding: 5rem 0; }
}

/* === Grid === */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid-2 { 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 === */
.card {
  background: var(--color-neutral-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(249, 115, 22, 0.10);
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--color-primary); margin: 0; }
a.card-link { text-decoration: none; color: inherit; display: block; }
a.card-link:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -25px rgba(51, 65, 85, 0.35); border-color: var(--color-accent); }
.card__more { display: inline-block; margin-top: 1rem; font-weight: 600; color: var(--color-accent); }

/* === Testimonial === */
.testimonial { text-align: center; margin: 0; padding: 0 1rem; }
.testimonial p { font-size: 1.25rem; line-height: 1.55; font-style: italic; color: var(--color-neutral-dark); position: relative; }
.testimonial cite { display: block; margin-top: 1rem; font-style: normal; font-weight: 600; color: var(--color-primary); font-size: 0.95rem; }

/* === CTA band === */
.cta-band { background: var(--color-primary); color: var(--color-neutral-light); padding: 3.5rem 0; text-align: center; }
.cta-band h2 { color: var(--color-neutral-light); }
.cta-band p { color: rgba(248, 250, 252, 0.9); max-width: 52ch; margin-left: auto; margin-right: auto; }

/* === Article detail === */
.article-detail { max-width: 65ch; margin: 3rem auto; padding: 0 1rem; }
.article-detail__header { margin-bottom: 2rem; }
.article-detail__header h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; margin-bottom: 1.25rem; }
.article-detail__sub { font-size: 1.2rem; color: var(--color-primary); line-height: 1.5; }
.article-detail__figure { margin: 2rem 0; }
.article-detail__figure img { aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius-sm); width: 100%; }
.article-detail h2 { font-size: 1.5rem; margin: 2.25rem 0 1rem; }
.article-detail p { font-size: 1.125rem; line-height: 1.75; margin-block: 1.25rem; }
.article-detail__footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.back-link { text-decoration: none; font-weight: 600; color: var(--color-accent); }
.back-link:hover { text-decoration: underline; }

/* === Contact form === */
.contact-form { display: grid; gap: 1.25rem; margin-top: 1.5rem; }
.form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label { font-weight: 500; font-size: 0.95rem; 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: var(--radius-sm);
  background: var(--color-neutral-light);
  color: var(--color-neutral-dark);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.18);
}
.form-consent { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9rem; color: var(--color-primary); line-height: 1.5; flex-wrap: wrap; }
.form-consent input { margin-top: 0.25rem; }
.contact-form .btn { justify-self: start; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: var(--color-neutral-light); padding: 3rem 0 1.5rem; margin-top: 3rem; }
.site-footer h4 { color: var(--color-neutral-light); margin-bottom: 1rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.footer-tagline { color: rgba(248, 250, 252, 0.75); margin-top: 0.5rem; }
.footer-nav, .footer-legal { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer a { color: rgba(248, 250, 252, 0.85); text-decoration: none; }
.site-footer a:hover { color: var(--color-accent); }
.site-footer address { font-style: normal; color: rgba(248, 250, 252, 0.85); line-height: 1.7; margin-bottom: 1rem; }
.footer-legal { margin-top: 1rem; font-size: 0.9rem; }
.logo--footer img { height: 64px; filter: brightness(0) invert(1); opacity: 0.9; }
.copyright { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(248, 250, 252, 0.12); font-size: 0.85rem; color: rgba(248, 250, 252, 0.6); }

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr 1.3fr; 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: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 50px -20px rgba(0, 0, 0, 0.4);
  max-width: 640px;
  margin: 0 auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; color: rgba(248, 250, 252, 0.9); font-size: 0.95rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner button {
  font: inherit;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.25);
  background: transparent;
  color: var(--color-neutral-light);
  cursor: pointer;
  font-size: 0.9rem;
}
.cookie-banner button:hover { background: rgba(248, 250, 252, 0.10); }
.cookie-banner [data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-neutral-light); }
.cookie-banner [data-cookie-accept]:hover { background: #ea6a10; }
.cookie-banner__prefs { margin-top: 1rem; 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 [data-cookie-save] { align-self: flex-start; margin-top: 0.5rem; background: var(--color-neutral-light); color: var(--color-neutral-dark); border-color: var(--color-neutral-light); }