:root {
  --color-primary: #7C3AED;
  --color-secondary: #A78BFA;
  --color-accent: #CA8A04;
  --color-neutral-dark: #4C1D95;
  --color-neutral-light: #FAF5FF;
  --color-ink: #1F1235;
  --color-muted: #5A4B7A;
  --color-line: rgba(76, 29, 149, 0.12);
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 20px;
  --radius-sm: 10px;
  --shadow-card: 0 30px 60px -30px rgba(76, 29, 149, 0.35);
}

/* === Base === */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-neutral-light);
  background-image: radial-gradient(circle at 15% 0%, rgba(167, 139, 250, 0.22), transparent 55%), radial-gradient(circle at 85% 20%, rgba(124, 58, 237, 0.12), transparent 60%);
}
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; letter-spacing: -0.01em; margin: 0 0 0.75rem; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 1.25rem; }
.narrow { max-width: 760px; }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 245, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 0.75rem; gap: 1rem;
}
.logo img { height: 72px; width: auto; display: block; }
.logo--footer img { height: 72px; }
.nav-toggle {
  background: none; border: 0; padding: 0.5rem; cursor: pointer;
  display: inline-flex; flex-direction: column; gap: 5px; width: 40px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--color-neutral-dark); border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.primary-nav {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--color-neutral-light);
  border-bottom: 1px solid var(--color-line);
  display: none;
}
.primary-nav.is-open { display: block; }
.primary-nav ul { list-style: none; margin: 0; padding: 1rem 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.primary-nav a { display: block; padding: 0.5rem 0; color: var(--color-neutral-dark); font-weight: 500; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .logo--footer img { height: 80px; }
  .nav-toggle { display: none; }
  .primary-nav { position: static; display: block; background: transparent; border: 0; }
  .primary-nav ul { flex-direction: row; padding: 0; gap: 2rem; }
}

/* === Buttons === */
.btn {
  display: inline-block; padding: 0.85rem 1.6rem; border-radius: 999px;
  font-weight: 600; font-family: var(--font-heading); font-size: 1rem;
  border: 1px solid transparent; cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 12px 30px -12px rgba(124, 58, 237, 0.6); }
.btn-primary:hover { background: var(--color-neutral-dark); }
.btn-accent { background: var(--color-accent); color: #fff; box-shadow: 0 12px 30px -12px rgba(202, 138, 4, 0.6); }
.btn-accent:hover { background: #a06f04; }
.cta-row { margin-top: 1.5rem; }

/* === Hero card === */
.hero-card-section { padding-block: 2.5rem; }
.hero-card {
  max-width: 880px; margin-inline: auto;
  padding: 2rem 1.5rem; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-card);
  text-align: left;
  border: 1px solid var(--color-line);
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.78rem; font-weight: 600;
  color: var(--color-accent); margin: 0 0 1rem;
}
.hero-card h1 { margin-bottom: 1rem; }
.hero-card .lede { font-size: 1.15rem; color: var(--color-muted); max-width: 60ch; }
.hero-card__figure { margin: 2rem 0 0; border-radius: var(--radius-sm); overflow: hidden; }
.hero-card__figure img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }

@media (min-width: 768px) {
  .hero-card-section { padding-block: 4.5rem; }
  .hero-card { padding: 3.5rem; }
}

/* === Sections === */
.section { padding-block: 3rem; }
.section-head { text-align: center; margin-bottom: 2rem; max-width: 720px; margin-inline: auto; }
.section-sub { color: var(--color-muted); font-size: 1.05rem; }
.section-intro .narrow p { font-size: 1.08rem; }

@media (min-width: 768px) {
  .section { padding-block: 4.5rem; }
}

/* === Grid === */
.grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid { gap: 1.75rem; }
}

/* === Cards === */
.card {
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius);
  padding: 1.75rem; display: flex; flex-direction: column; gap: 0.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card h3 { margin: 0.25rem 0 0.4rem; }
.card p { color: var(--color-muted); margin: 0; font-size: 0.98rem; }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(124, 58, 237, 0.1); color: var(--color-primary);
}
.card-link { color: inherit; text-decoration: none; }
.card-link:hover { text-decoration: none; transform: translateY(-3px); box-shadow: 0 20px 40px -20px rgba(76, 29, 149, 0.3); border-color: var(--color-secondary); }
.card-link h3 { color: var(--color-primary); }

/* === Testimonial === */
.section-testimonial { text-align: center; }
.quote {
  margin: 0 auto; padding: 2rem 1rem; max-width: 720px;
  font-family: var(--font-heading);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.quote p {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.5; color: var(--color-neutral-dark);
  font-weight: 500;
}
.quote cite { display: block; margin-top: 1rem; font-style: normal; color: var(--color-muted); font-size: 0.95rem; }

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark));
  color: #fff; padding-block: 3rem; margin-block: 2rem;
  border-radius: var(--radius); margin-inline: 1rem;
}
.cta-band__inner { text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 55ch; margin-inline: auto; }
.cta-band .contact-line { font-size: 0.92rem; color: rgba(255,255,255,0.75); }

@media (min-width: 768px) {
  .cta-band { padding-block: 4rem; margin-inline: auto; max-width: 1100px; }
}

/* === Feature grid === */
.feature-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; align-items: center; }
.feature-grid__figure img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
@media (min-width: 900px) {
  .feature-grid { grid-template-columns: 1.1fr 1fr; gap: 3.5rem; }
}

/* === Contact info === */
.contact-dl { display: grid; gap: 0.9rem; margin: 0; padding: 0; }
.contact-dl > div {
  display: grid; grid-template-columns: 1fr; gap: 0.15rem;
  padding: 0.9rem 1.1rem; background: #fff;
  border-radius: var(--radius-sm); border: 1px solid var(--color-line);
}
.contact-dl dt { font-weight: 600; color: var(--color-neutral-dark); margin: 0; }
.contact-dl dd { margin: 0; color: var(--color-muted); }
@media (min-width: 640px) {
  .contact-dl > div { grid-template-columns: 160px 1fr; align-items: baseline; gap: 1rem; }
}

/* === Contact form === */
.contact-form { display: grid; gap: 1rem; background: #fff; padding: 1.75rem; border-radius: var(--radius); border: 1px solid var(--color-line); }
.form-row { display: grid; gap: 0.35rem; }
.form-row label { font-weight: 500; color: var(--color-neutral-dark); font-size: 0.95rem; }
.form-row input, .form-row textarea {
  font: inherit; padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-line); border-radius: var(--radius-sm);
  background: var(--color-neutral-light); color: var(--color-ink);
  width: 100%;
}
.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; gap: 0.6rem; align-items: flex-start;
  font-size: 0.9rem; color: var(--color-muted); line-height: 1.5;
}
.form-consent input { margin-top: 3px; }

/* === Article detail === */
.article-detail {
  max-width: 65ch; margin-inline: auto;
  padding: 2rem 1.25rem 3rem;
}
.article-detail__header { margin-bottom: 1.5rem; }
.article-detail__header h1 { font-size: clamp(1.85rem, 4vw, 2.85rem); line-height: 1.15; margin-bottom: 1rem; }
.article-detail__sub { font-size: 1.15rem; color: var(--color-muted); }
.article-detail__figure {
  margin-block: 2rem; border-radius: var(--radius-sm); overflow: hidden;
}
.article-detail__figure img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.article-detail p { font-size: 1.1rem; line-height: 1.75; margin-block: 1.25rem; }
.article-detail h2 { margin-top: 2.5rem; font-size: 1.5rem; }
.article-detail__footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--color-line); }
.back-link { color: var(--color-primary); font-weight: 500; }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark); color: rgba(255,255,255,0.85);
  padding-block: 3rem 1.5rem; margin-top: 3rem;
}
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.site-footer__grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.site-footer a { color: rgba(255,255,255,0.9); }
.site-footer a:hover { color: var(--color-secondary); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.site-footer address { font-style: normal; line-height: 1.7; margin-bottom: 1rem; }
.legal-links { margin-top: 0.75rem; font-size: 0.9rem; }
.footer-tag { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-top: 0.5rem; }
.site-footer__meta { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 2rem; padding-top: 1rem; font-size: 0.85rem; color: rgba(255,255,255,0.6); text-align: center; }
.logo--footer img { filter: brightness(0) invert(1); }

@media (min-width: 900px) {
  .site-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 1.4rem; border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.4);
  max-width: 640px;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: 0.95rem; line-height: 1.5; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner button {
  font: inherit; font-size: 0.9rem; padding: 0.55rem 1rem;
  border-radius: 999px; border: 1px solid rgba(255,255,255,0.25);
  background: transparent; color: var(--color-neutral-light); cursor: pointer;
}
.cookie-banner button[data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; font-weight: 600; }
.cookie-banner button:hover { border-color: var(--color-secondary); }
.cookie-banner__prefs { margin-top: 1rem; display: grid; gap: 0.5rem; }
.cookie-banner__prefs label { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.cookie-banner__prefs button { margin-top: 0.5rem; justify-self: start; }

@media (min-width: 640px) {
  .cookie-banner { left: auto; right: 1.5rem; bottom: 1.5rem; }
}