:root {
  --color-primary: #7C3AED;
  --color-secondary: #A78BFA;
  --color-accent: #06B6D4;
  --color-neutral-dark: #1E1B4B;
  --color-neutral-light: #FAF5FF;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-sm: 0 2px 20px rgba(30, 27, 75, 0.06);
  --shadow-md: 0 10px 40px -10px rgba(30, 27, 75, 0.18);
  --shadow-lg: 0 20px 60px -20px rgba(30, 27, 75, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* === Base === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-neutral-dark);
  background: var(--color-neutral-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
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: -0.02em; margin: 0 0 1rem; font-weight: 700; }
h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 1.25rem; }
.container.narrow { max-width: 760px; }
.muted { color: rgba(30, 27, 75, 0.65); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 600; color: var(--color-primary); margin-bottom: 0.75rem; }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 245, 255, 0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(30, 27, 75, 0.06);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.site-header.scrolled { background: rgba(250, 245, 255, 0.92); box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 0.75rem; gap: 1rem; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; display: block; }
@media (min-width: 768px) { .logo img { height: 96px; } }
.logo-footer img { height: 64px; }

.nav-toggle { background: transparent; border: 0; padding: 0.5rem; color: var(--color-neutral-dark); cursor: pointer; }
.primary-nav { display: none; }
.primary-nav a { color: var(--color-neutral-dark); font-weight: 500; padding: 0.4rem 0; position: relative; }
.primary-nav a:not(.btn)::after { content: ''; position: absolute; left: 0; bottom: -2px; height: 2px; width: 100%; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease); }
.primary-nav a:not(.btn):hover { text-decoration: none; }
.primary-nav a:not(.btn):hover::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }

.primary-nav.is-open {
  display: flex; flex-direction: column; gap: 0.5rem;
  position: absolute; top: 100%; left: 0; right: 0;
  padding: 1rem 1.25rem 1.5rem;
  background: var(--color-neutral-light);
  border-bottom: 1px solid rgba(30, 27, 75, 0.08);
  box-shadow: var(--shadow-md);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav { display: flex; align-items: center; gap: 1.75rem; }
}

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.5rem; border-radius: 999px; font-family: var(--font-heading); font-weight: 600; font-size: 1rem; border: 0; cursor: pointer; transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s ease; text-decoration: none; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), #5B21B6); color: #fff; box-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.6); }
.btn-primary:hover { box-shadow: 0 15px 40px -10px rgba(124, 58, 237, 0.75); }
.btn-accent { background: linear-gradient(135deg, var(--color-accent), #0891B2); color: #fff; box-shadow: 0 10px 30px -10px rgba(6, 182, 212, 0.6); }
.btn-ghost { background: transparent; color: var(--color-primary); border: 1.5px solid rgba(124, 58, 237, 0.35); }
.btn-ghost:hover { background: rgba(124, 58, 237, 0.06); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.9rem; }

/* === Hero === */
.hero { position: relative; padding-block: 4rem 3rem; text-align: center; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% 30% -10%;
  background: radial-gradient(circle at 50% 20%, rgba(6, 182, 212, 0.14), transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.18), transparent 55%);
  z-index: -1;
}
.hero h1 { max-width: 24ch; margin-inline: auto; }
.hero-sub { font-size: 1.15rem; max-width: 52ch; margin-inline: auto; color: rgba(30, 27, 75, 0.75); margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 3rem; }
.hero-image { margin-top: 2rem; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
@media (min-width: 768px) { .hero { padding-block: 6rem 4rem; } }

/* === Sections === */
.section { padding-block: 4rem; }
.section-alt { background: linear-gradient(180deg, rgba(167, 139, 250, 0.08), rgba(6, 182, 212, 0.05)); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head p { color: rgba(30, 27, 75, 0.7); }

/* === Grid & Cards === */
.grid { display: grid; gap: 1.5rem; 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 {
  background: #fff; padding: 1.75rem; border-radius: var(--radius-md);
  border: 1px solid rgba(30, 27, 75, 0.06);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card h3 { margin: 0.75rem 0 0.5rem; }
.card p { color: rgba(30, 27, 75, 0.75); margin: 0; font-size: 0.95rem; }
.card-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(6, 182, 212, 0.12)); color: var(--color-primary); }

/* === Testimonial === */
.testimonial { margin: 0; padding: 2rem; text-align: center; border-left: 4px solid var(--color-accent); background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.testimonial p { font-size: 1.15rem; font-style: italic; color: var(--color-neutral-dark); }
.testimonial cite { display: block; margin-top: 1rem; font-style: normal; font-weight: 600; color: var(--color-primary); }

/* === CTA band === */
.cta-band { padding-block: 4rem; text-align: center; background: linear-gradient(135deg, var(--color-neutral-dark), var(--color-primary)); color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.85); margin-bottom: 1.5rem; }
.cta-band .muted { color: rgba(255, 255, 255, 0.7); }

/* === FAQ === */
.faq details { background: #fff; border-radius: var(--radius-md); padding: 1.25rem 1.5rem; margin-bottom: 0.75rem; box-shadow: var(--shadow-sm); border: 1px solid rgba(30, 27, 75, 0.05); }
.faq summary { cursor: pointer; font-weight: 600; font-family: var(--font-heading); list-style: none; position: relative; padding-right: 2rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--color-primary); font-weight: 400; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 0.75rem; color: rgba(30, 27, 75, 0.75); }

/* === Pricing === */
.pricing-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }
.pricing-card { position: relative; padding: 2.25rem; border-radius: 16px; border: 1px solid rgba(30, 27, 75, 0.12); background: #fff; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.pricing-card--featured { border-color: var(--color-accent); border-width: 2px; box-shadow: var(--shadow-md); }
.pricing-card__badge { position: absolute; top: 1rem; right: 1rem; background: var(--color-accent); color: #fff; font-size: 0.75rem; font-weight: 600; padding: 0.3rem 0.75rem; border-radius: 999px; }
.pricing-card__plan { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-primary); margin-bottom: 0.5rem; }
.pricing-card__price { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; margin-bottom: 0.5rem; color: var(--color-neutral-dark); }
.pricing-card__lede { color: rgba(30, 27, 75, 0.7); margin-bottom: 1.25rem; font-size: 0.95rem; }
.pricing-card__features { list-style: none; padding: 0; margin: 0 0 1.75rem; flex-grow: 1; }
.pricing-card__features li { display: flex; gap: 0.6rem; padding: 0.4rem 0; font-size: 0.95rem; border-bottom: 1px solid rgba(30, 27, 75, 0.05); }
.pricing-card__features li span { color: var(--color-accent); font-weight: 700; }
.pricing-card__cta { width: 100%; }

/* === Contact form === */
.contact-form { display: grid; gap: 1.25rem; background: #fff; padding: 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label { font-weight: 600; font-size: 0.9rem; }
.form-row input, .form-row textarea { font: inherit; padding: 0.75rem 0.9rem; border: 1.5px solid rgba(30, 27, 75, 0.15); border-radius: 10px; background: var(--color-neutral-light); color: var(--color-neutral-dark); transition: border-color 0.2s; }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--color-primary); }
.form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: rgba(30, 27, 75, 0.75); }
.form-consent input { margin-top: 0.25rem; flex-shrink: 0; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(255, 255, 255, 0.75); padding-block: 3rem 1.5rem; margin-top: 4rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1.5fr; } }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer a { color: rgba(255, 255, 255, 0.8); }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer .muted { color: rgba(255, 255, 255, 0.6); }
.site-footer address { font-style: normal; margin-bottom: 1rem; }
.legal-links { margin-top: 1rem; }
.copyright { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 0.85rem; color: rgba(255, 255, 255, 0.55); text-align: center; }

/* === 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: var(--shadow-lg); max-width: 640px; margin-inline: auto;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 0.75rem; font-size: 0.9rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner button { font: inherit; font-size: 0.85rem; padding: 0.5rem 1rem; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.25); background: transparent; color: #fff; cursor: pointer; }
.cookie-banner [data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; font-weight: 600; }
.cookie-banner__prefs { margin-top: 1rem; display: grid; gap: 0.4rem; font-size: 0.85rem; }
.cookie-banner__prefs label { display: flex; align-items: center; gap: 0.5rem; }
.cookie-banner__prefs button { margin-top: 0.5rem; align-self: flex-start; }

/* === Scroll reveal === */
.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; }
}