:root {
  --color-primary: #18181B;
  --color-secondary: #3F3F46;
  --color-accent: #2563EB;
  --color-neutral-dark: #09090B;
  --color-neutral-light: #FAFAFA;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 20px rgba(9,9,11,0.06);
  --shadow-md: 0 12px 40px -18px rgba(9,9,11,0.25);
  --shadow-lg: 0 30px 60px -30px rgba(9,9,11,0.35);
  --max-width: 1180px;
}

/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-neutral-light);
  line-height: 1.6;
  font-size: 16px;
  -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); }
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, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; margin-bottom: .75rem; }
p { margin: 0 0 1rem; }

/* === Layout helpers === */
.container { width: 100%; max-width: var(--max-width); margin-inline: auto; padding-inline: 1.25rem; }
.narrow { max-width: 780px; margin-inline: auto; }
.center { text-align: center; }
.muted { color: var(--color-secondary); }
.eyebrow { font-size: .875rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-accent); font-weight: 600; margin-bottom: 1rem; }
.section { padding-block: 4rem; }
.section-alt { background: #F4F4F5; }
.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-lede { max-width: 60ch; margin-inline: auto; margin-bottom: 3rem; color: var(--color-secondary); }

/* === Header / nav (glass) === */
.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 rgba(9,9,11,0.06);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { background: rgba(250,250,250,0.92); box-shadow: 0 8px 28px -20px rgba(9,9,11,0.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .75rem; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; display: block; }
.nav-toggle {
  background: none; border: 1px solid rgba(9,9,11,0.12);
  border-radius: 10px; padding: .5rem;
  color: var(--color-primary); cursor: pointer; display: inline-flex;
}
.primary-nav { display: none; }
.primary-nav a {
  color: var(--color-secondary); font-weight: 500; padding: .5rem .25rem;
  position: relative;
}
.primary-nav a::after {
  content: ''; position: absolute; left: .25rem; right: .25rem; bottom: .25rem; height: 2px;
  background: var(--color-accent); transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.primary-nav a:hover, .primary-nav a.is-current { color: var(--color-primary); }
.primary-nav a:hover::after, .primary-nav a.is-current::after { transform: scaleX(1); }
.primary-nav.is-open {
  display: flex; flex-direction: column; gap: 0;
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-neutral-light); padding: 1rem 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(9,9,11,0.06);
}
.primary-nav.is-open a { padding: .75rem 0; border-bottom: 1px solid rgba(9,9,11,0.06); }

@media (min-width: 768px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; gap: 1.75rem; align-items: center; }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .875rem 1.5rem; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: .975rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
  text-decoration: none; line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #1D4ED8);
  color: #fff;
  box-shadow: 0 12px 28px -12px rgba(37,99,235,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -14px rgba(37,99,235,0.7); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--color-primary);
  border-color: rgba(9,9,11,0.15);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--color-primary); color: var(--color-primary); }
.btn-on-dark.btn-primary { box-shadow: 0 12px 28px -12px rgba(0,0,0,0.5); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* === Hero (centered, saas-spotlight) === */
.hero { position: relative; padding-top: 4rem; padding-bottom: 4rem; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -20% 10% auto 10%; height: 60%;
  background: radial-gradient(ellipse at center, rgba(37,99,235,0.18), transparent 65%);
  filter: blur(20px); pointer-events: none; z-index: 0;
}
.hero-inner { position: relative; z-index: 1; text-align: center; max-width: 820px; margin-inline: auto; }
.hero__title { max-width: 22ch; margin-inline: auto; }
.hero__sub { max-width: 52ch; margin: 1rem auto 2rem; font-size: 1.125rem; color: var(--color-secondary); }
.hero__ctas { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.hero-visual { margin-top: 3.5rem; position: relative; z-index: 1; }
.hero-visual img {
  width: 100%; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(9,9,11,0.06);
}
@media (min-width: 768px) {
  .hero { padding-block: 6rem; }
  .hero-visual { margin-top: 4.5rem; }
}

/* === Cards grid === */
.cards-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--color-neutral-light);
  border: 1px solid rgba(9,9,11,0.08);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(37,99,235,0.1); color: var(--color-accent);
  margin-bottom: 1rem;
}
.card p { color: var(--color-secondary); margin-bottom: 0; }

/* === Testimonial === */
.testimonial {
  margin: 0; padding: 2rem;
  border-left: 3px solid var(--color-accent);
  background: #F4F4F5;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.testimonial p { font-size: 1.125rem; font-family: var(--font-heading); font-weight: 500; color: var(--color-primary); }
.testimonial cite { display: block; font-style: normal; color: var(--color-secondary); font-size: .9rem; margin-top: .75rem; }

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, var(--color-neutral-dark), #1F2937);
  color: var(--color-neutral-light);
  padding-block: 4.5rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(37,99,235,0.25), transparent 55%);
  pointer-events: none;
}
.cta-band .container { position: relative; }
.cta-band h2 { color: var(--color-neutral-light); }
.cta-band p { color: rgba(250,250,250,0.75); max-width: 55ch; margin-inline: auto; margin-bottom: 1.75rem; }

/* === Pricing === */
.pricing-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 900px) {
  .pricing-grid--3 { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
  .pricing-grid--2 { grid-template-columns: repeat(2, 1fr); }
}
.pricing-card {
  position: relative;
  background: var(--color-neutral-light);
  border: 1px solid rgba(9,9,11,0.1);
  border-radius: var(--radius);
  padding: 2.25rem;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pricing-card--featured {
  border: 2px solid var(--color-accent);
  box-shadow: 0 20px 45px -20px rgba(37,99,235,0.35);
}
.pricing-card__badge {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--color-accent); color: #fff;
  padding: .35rem .75rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; letter-spacing: .04em;
}
.pricing-card__plan { margin-bottom: .25rem; color: var(--color-secondary); font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.pricing-card__price { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; font-family: var(--font-heading); color: var(--color-primary); margin-bottom: 1rem; letter-spacing: -0.02em; }
.pricing-card__lede { color: var(--color-secondary); margin-bottom: 1.25rem; }
.pricing-card__features { list-style: none; padding: 0; margin: 0 0 1.75rem; display: flex; flex-direction: column; gap: .625rem; flex: 1; }
.pricing-card__features li { display: flex; gap: .625rem; align-items: flex-start; color: var(--color-primary); font-size: .975rem; }
.pricing-card__features li span { color: var(--color-accent); font-weight: 700; flex-shrink: 0; }
.pricing-card__cta { text-decoration: none; margin-top: auto; }
.pricing-card__cta .btn { width: 100%; }

/* === FAQ === */
.faq { display: flex; flex-direction: column; gap: .75rem; }
.faq details {
  background: var(--color-neutral-light);
  border: 1px solid rgba(9,9,11,0.08);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  transition: box-shadow .2s var(--ease);
}
.faq details[open] { box-shadow: var(--shadow-sm); }
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--color-primary);
  font-family: var(--font-heading); font-size: 1.05rem;
  list-style: none; position: relative; padding-right: 1.75rem;
}
.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-accent); font-weight: 400;
  transition: transform .2s var(--ease);
}
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: .75rem 0 0; color: var(--color-secondary); }

/* === Contact grid === */
.contact-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid--4 { grid-template-columns: repeat(4, 1fr); }
}
.contact-card {
  background: var(--color-neutral-light);
  border: 1px solid rgba(9,9,11,0.08);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-card p { color: var(--color-secondary); margin-bottom: 0; }

/* === Contact form === */
.contact-form {
  background: var(--color-neutral-light);
  border: 1px solid rgba(9,9,11,0.08);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 1.25rem;
}
.form-row { display: flex; flex-direction: column; gap: .4rem; }
.form-row label { font-weight: 600; font-size: .9rem; color: var(--color-primary); }
.form-row input, .form-row textarea {
  font-family: var(--font-body); font-size: 1rem;
  padding: .75rem .875rem;
  border: 1px solid rgba(9,9,11,0.15);
  border-radius: 10px;
  background: #fff;
  color: var(--color-primary);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form-row input:focus, .form-row 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; gap: .625rem; align-items: flex-start; font-size: .875rem; color: var(--color-secondary); }
.form-consent input { margin-top: .25rem; flex-shrink: 0; }
.contact-form .btn { align-self: flex-start; }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark);
  color: rgba(250,250,250,0.72);
  padding-block: 3.5rem 1.5rem;
  margin-top: 4rem;
}
.site-footer h4 { color: var(--color-neutral-light); }
.site-footer a { color: rgba(250,250,250,0.72); }
.site-footer a:hover { color: var(--color-neutral-light); }
.footer-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(250,250,250,0.08);
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1.2fr; gap: 3rem; } }
.logo-footer img { height: 64px; }
.footer-nav { display: flex; flex-direction: column; gap: .35rem; }
.footer-nav h4 { margin-bottom: .5rem; }
.footer-contact p { margin-bottom: .75rem; }
.legal-links { font-size: .875rem; margin-top: 1rem; }
.copyright { padding-top: 1.5rem; font-size: .875rem; color: rgba(250,250,250,0.55); }

/* === 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; border-radius: var(--radius);
  box-shadow: 0 20px 60px -10px rgba(0,0,0,0.5);
  max-width: 520px;
  font-size: .9rem;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; color: rgba(250,250,250,0.85); }
.cookie-banner__actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.cookie-banner__actions button {
  padding: .55rem 1rem; border-radius: 999px; border: 1px solid rgba(250,250,250,0.2);
  background: transparent; color: var(--color-neutral-light);
  font-family: var(--font-body); font-weight: 500; font-size: .875rem;
  cursor: pointer; transition: background .2s var(--ease);
}
.cookie-banner__actions button:hover { background: rgba(250,250,250,0.08); }
.cookie-banner__actions [data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); }
.cookie-banner__actions [data-cookie-accept]:hover { background: #1D4ED8; }
.cookie-banner__prefs { margin-top: 1rem; display: flex; flex-direction: column; gap: .5rem; padding-top: 1rem; border-top: 1px solid rgba(250,250,250,0.1); }
.cookie-banner__prefs label { display: flex; gap: .5rem; align-items: center; font-size: .875rem; }
.cookie-banner__prefs [data-cookie-save] {
  align-self: flex-start; margin-top: .5rem;
  padding: .5rem 1rem; border-radius: 999px;
  background: var(--color-accent); color: #fff; border: none; cursor: pointer;
  font-weight: 600; font-size: .875rem;
}

/* === 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; }
}