:root {
  --color-primary: #0891B2;
  --color-secondary: #22D3EE;
  --color-accent: #22C55E;
  --color-neutral-dark: #164E63;
  --color-neutral-light: #ECFEFF;
  --color-ink: #0B2A33;
  --color-muted: #55707A;
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-card: 18px;
  --radius-btn: 999px;
  --shadow-sm: 0 2px 20px rgba(11, 42, 51, 0.06);
  --shadow-md: 0 12px 40px -12px rgba(11, 42, 51, 0.18);
  --shadow-lg: 0 30px 60px -30px rgba(8, 145, 178, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-hover: cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Base === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s var(--ease-hover); }
a:hover { color: var(--color-neutral-dark); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); letter-spacing: -0.02em; line-height: 1.15; 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; }
p { margin: 0 0 1rem; }
.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }
.narrow { max-width: 780px; margin-inline: auto; }
.eyebrow { display: inline-block; font-family: var(--font-heading); font-weight: 600; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-primary); padding: .35rem .8rem; border: 1px solid rgba(8, 145, 178, .25); border-radius: 999px; background: var(--color-neutral-light); margin-bottom: 1.25rem; }

/* === Header / Nav === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(22, 78, 99, 0.08);
  transition: background .3s var(--ease-hover), box-shadow .3s var(--ease-hover);
}
.site-header.scrolled { background: rgba(255, 255, 255, 0.92); box-shadow: 0 8px 30px -20px rgba(11, 42, 51, .25); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .9rem; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; }
.logo--footer img { height: 64px; }
.nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--color-neutral-dark); border-radius: 2px; transition: transform .2s var(--ease-hover), opacity .2s var(--ease-hover); }
.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; flex-direction: column; gap: .25rem; width: 100%; padding: 1rem 0; }
.primary-nav.is-open { display: flex; }
.primary-nav a { position: relative; padding: .6rem 0; font-family: var(--font-heading); font-weight: 500; color: var(--color-neutral-dark); }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .logo--footer img { height: 72px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; flex-direction: row; align-items: center; gap: 2rem; width: auto; padding: 0; }
  .primary-nav a { padding: .25rem 0; }
  .primary-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease-hover); }
  .primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
}

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .95rem 1.5rem; border-radius: var(--radius-btn); font-family: var(--font-heading); font-weight: 600; font-size: .98rem; border: 1px solid transparent; cursor: pointer; transition: transform .2s var(--ease-hover), box-shadow .2s var(--ease-hover), background .2s var(--ease-hover); }
.btn--sm { padding: .55rem 1rem; font-size: .85rem; }
.btn--primary { background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: #fff; box-shadow: 0 10px 30px -12px rgba(8, 145, 178, .55); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(8, 145, 178, .65); color: #fff; }
.btn--ghost { background: rgba(255,255,255,.6); color: var(--color-neutral-dark); border-color: rgba(22, 78, 99, .18); }
.btn--ghost:hover { transform: translateY(-2px); background: #fff; }
.btn:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 3px; }

/* === Hero === */
.hero { position: relative; padding-block: 4rem 2rem; overflow: hidden; background: linear-gradient(180deg, var(--color-neutral-light) 0%, #fff 90%); }
.hero--inner { padding-block: 3rem 1rem; }
.hero__glow { position: absolute; inset: -20% -10% auto -10%; height: 60%; background: radial-gradient(60% 60% at 50% 0%, rgba(34, 211, 238, .35), transparent 70%), radial-gradient(40% 40% at 80% 20%, rgba(34, 197, 94, .18), transparent 70%); pointer-events: none; z-index: 0; }
.hero__inner { position: relative; z-index: 1; text-align: center; }
.hero__sub { font-size: 1.15rem; color: var(--color-muted); max-width: 56ch; margin-inline: auto; margin-bottom: 2rem; }
.hero__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-bottom: 3rem; }
.hero__visual { max-width: 960px; margin: 0 auto; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid rgba(22, 78, 99, .08); }
.hero__visual img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }

@media (min-width: 768px) {
  .hero { padding-block: 6rem 3rem; }
  .hero h1 { max-width: 20ch; margin-inline: auto; }
}

/* === Proof strip === */
.proof-strip { padding-block: 2rem; border-block: 1px solid rgba(22, 78, 99, .08); background: #fff; }
.proof-strip__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; text-align: center; }
.proof-strip__grid div { display: flex; flex-direction: column; gap: .15rem; }
.proof-strip__grid strong { font-family: var(--font-heading); font-size: 1.5rem; color: var(--color-neutral-dark); font-weight: 700; }
.proof-strip__grid span { color: var(--color-muted); font-size: .9rem; }
@media (min-width: 768px) { .proof-strip__grid { grid-template-columns: repeat(4, 1fr); } }

/* === Sections === */
.section { padding-block: 4rem; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head p { color: var(--color-muted); }
.intro .narrow p { font-size: 1.08rem; color: var(--color-ink); }
.intro .narrow { text-align: center; }

/* === Cards / Highlights === */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 700px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } }
.card { background: #fff; border: 1px solid rgba(22, 78, 99, .08); border-radius: var(--radius-card); padding: 1.75rem; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease-hover), box-shadow .25s var(--ease-hover); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card__icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--color-neutral-light), rgba(34, 211, 238, .25)); color: var(--color-primary); margin-bottom: 1rem; }
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--color-muted); margin: 0; }

/* === Testimonial === */
.testimonial blockquote { margin: 0; text-align: center; padding: 2.5rem 1rem; border-top: 1px solid rgba(22, 78, 99, .08); border-bottom: 1px solid rgba(22, 78, 99, .08); }
.testimonial p { font-family: var(--font-heading); font-size: clamp(1.25rem, 2.4vw, 1.6rem); font-weight: 500; color: var(--color-neutral-dark); line-height: 1.4; max-width: 60ch; margin: 0 auto 1.25rem; }
.testimonial cite { font-style: normal; color: var(--color-muted); font-size: .95rem; }

/* === CTA band === */
.cta-band { background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: #fff; padding-block: 3.5rem; border-radius: 0; margin-block: 2rem; }
.cta-band__inner { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }
.cta-band h2 { color: #fff; margin-bottom: .5rem; }
.cta-band p { color: rgba(236, 254, 255, .85); margin: 0; max-width: 52ch; }
.cta-band .btn--primary { background: #fff; color: var(--color-primary); box-shadow: 0 10px 30px -12px rgba(0,0,0,.35); }
.cta-band .btn--primary:hover { background: var(--color-neutral-light); color: var(--color-neutral-dark); }
@media (min-width: 768px) { .cta-band__inner { flex-direction: row; align-items: center; justify-content: space-between; } }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: .75rem; }
.faq-list details { background: #fff; border: 1px solid rgba(22, 78, 99, .1); border-radius: 14px; padding: 1rem 1.25rem; transition: box-shadow .25s var(--ease-hover), border-color .25s var(--ease-hover); }
.faq-list details[open] { box-shadow: var(--shadow-sm); border-color: rgba(8, 145, 178, .3); }
.faq-list summary { list-style: none; cursor: pointer; font-family: var(--font-heading); font-weight: 600; color: var(--color-neutral-dark); position: relative; padding-right: 2rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 1.5rem; color: var(--color-primary); transition: transform .2s var(--ease-hover); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin-top: .75rem; color: var(--color-muted); }

/* === Contact band === */
.contact-band-sec { background: var(--color-neutral-light); border-block: 1px solid rgba(22, 78, 99, .08); text-align: center; }
.contact-line { font-size: 1.05rem; color: var(--color-neutral-dark); }

/* === Form === */
.form-section { background: linear-gradient(180deg, #fff, var(--color-neutral-light)); }
.contact-form { background: #fff; border-radius: var(--radius-card); border: 1px solid rgba(22, 78, 99, .08); padding: 1.75rem; box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: .35rem; }
.form-row label { font-family: var(--font-heading); font-weight: 500; color: var(--color-neutral-dark); font-size: .92rem; }
.form-row input, .form-row textarea { font: inherit; padding: .8rem 1rem; border: 1px solid rgba(22, 78, 99, .18); border-radius: 12px; background: #fff; color: var(--color-ink); transition: border-color .2s var(--ease-hover), box-shadow .2s var(--ease-hover); }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(8, 145, 178, .15); }
.form-consent { display: flex; align-items: flex-start; gap: .6rem; font-size: .88rem; color: var(--color-muted); }
.form-consent input { margin-top: .25rem; }
@media (min-width: 700px) { .contact-form { padding: 2.25rem; } }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(236, 254, 255, .8); padding-block: 3rem 1.5rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.site-footer h4 { color: #fff; margin-bottom: .75rem; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; }
.site-footer a { display: block; color: rgba(236, 254, 255, .8); padding: .2rem 0; }
.site-footer a:hover { color: #fff; }
.site-footer address { font-style: normal; margin-bottom: .5rem; }
.legal-links { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(236, 254, 255, .12); }
.copyright { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(236, 254, 255, .12); font-size: .85rem; color: rgba(236, 254, 255, .55); }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1.3fr; } }

/* === 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); border-radius: 16px; padding: 1.25rem; box-shadow: 0 20px 50px -15px rgba(0,0,0,.45); max-width: 560px; }
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 .9rem; font-size: .92rem; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner__actions .btn--ghost { color: #fff; border-color: rgba(255,255,255,.25); background: transparent; }
.cookie-banner__actions .btn--ghost:hover { background: rgba(255,255,255,.08); }
.cookie-banner__actions .btn--primary { background: var(--color-accent); color: #052E13; }
.cookie-banner__actions .btn--primary:hover { background: #16A34A; color: #fff; }
.cookie-banner__prefs { display: flex; flex-direction: column; gap: .5rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.15); }
.cookie-banner__prefs label { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.cookie-banner__prefs [data-cookie-save] { margin-top: .5rem; align-self: flex-start; background: var(--color-accent); color: #052E13; }

/* === Reveal / motion === */
.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; }
}