:root {
  --color-primary: #0369A1;
  --color-secondary: #0EA5E9;
  --color-accent: #F97316;
  --color-neutral-dark: #0C4A6E;
  --color-neutral-light: #F0F9FF;
  --color-text: #0C2A3E;
  --color-muted: #4A6A82;
  --color-border: rgba(12, 74, 110, 0.12);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 16px;
  --shadow-sm: 0 2px 20px rgba(12, 42, 62, 0.06);
  --shadow-md: 0 20px 60px -25px rgba(12, 42, 62, 0.35);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); color: var(--color-text); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-secondary); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); line-height: 1.2; margin: 0 0 .75rem; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 1.25rem; }
.eyebrow { font-family: var(--font-heading); font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--color-secondary); margin: 0 0 1rem; }
.section-sub { color: var(--color-muted); font-size: 1.05rem; max-width: 56ch; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section-head .section-sub { margin-inline: auto; }

/* === Header / Nav (glass) === */
.site-header { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); background: rgba(240, 249, 255, 0.7); border-bottom: 1px solid transparent; transition: background .25s ease, box-shadow .25s ease, border-color .25s ease; }
.site-header.scrolled { background: rgba(255, 255, 255, 0.88); box-shadow: 0 4px 24px rgba(12, 42, 62, 0.08); border-bottom-color: var(--color-border); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 1.25rem; max-width: 1200px; margin-inline: auto; }
.logo img { display: block; height: 72px; width: auto; }
.logo--footer img { height: 64px; }
.nav-toggle { display: inline-flex; align-items: center; justify-content: center; background: none; border: 1px solid var(--color-border); color: var(--color-neutral-dark); border-radius: 10px; padding: .5rem; cursor: pointer; }
.primary-nav { display: none; }
.primary-nav a { font-family: var(--font-heading); font-weight: 500; font-size: .98rem; color: var(--color-neutral-dark); padding: .5rem 0; position: relative; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }

@media (min-width: 768px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; gap: 2rem; align-items: center; }
}
@media (max-width: 767px) {
  .primary-nav.is-open { display: flex; flex-direction: column; gap: .25rem; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 1rem 1.25rem 1.5rem; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
}

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-family: var(--font-heading); font-weight: 600; font-size: 1rem; padding: .9rem 1.5rem; border-radius: 999px; border: 1px solid transparent; cursor: pointer; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s ease, color .2s ease; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: #fff; box-shadow: 0 10px 30px -12px rgba(3, 105, 161, 0.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(3, 105, 161, 0.7); color: #fff; }
.btn-accent { background: var(--color-accent); color: #fff; box-shadow: 0 10px 30px -12px rgba(249, 115, 22, 0.55); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(249, 115, 22, 0.7); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-neutral-dark); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-neutral-light); transform: translateY(-2px); color: var(--color-neutral-dark); }
.btn:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 3px; }

/* === Hero split === */
.hero { position: relative; padding: 3.5rem 0 4rem; overflow: hidden; background: linear-gradient(135deg, rgba(14, 165, 233, 0.10), rgba(3, 105, 161, 0.08) 60%, rgba(249, 115, 22, 0.06)); }
.hero::before { content: ""; position: absolute; top: -120px; right: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(249, 115, 22, 0.18), transparent 70%); pointer-events: none; }
.hero::after { content: ""; position: absolute; bottom: -160px; left: -100px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(14, 165, 233, 0.18), transparent 70%); pointer-events: none; }
.hero-split__inner { position: relative; max-width: 1200px; margin-inline: auto; padding: 0 1.25rem; display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
.hero-split__text { order: 1; }
.hero-split__media { order: 2; }
.hero-split__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 20px; box-shadow: var(--shadow-md); }
.hero-sub { font-size: 1.15rem; color: var(--color-muted); max-width: 52ch; margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-split__inner--single { grid-template-columns: 1fr; max-width: 760px; }

@media (min-width: 900px) {
  .hero { padding: 6rem 0 7rem; }
  .hero-split__inner { grid-template-columns: 1.05fr 1fr; gap: 4rem; }
  .hero-split__text { order: 0; }
  .hero-split__media { order: 0; }
  .hero-split__media img { aspect-ratio: 4/5; }
}

/* === Intro === */
.intro { padding: 4rem 0; }
.intro__inner { max-width: 760px; margin-inline: auto; text-align: center; }
.intro__inner p:not(.section-sub) { color: var(--color-text); font-size: 1.05rem; text-align: left; }
.intro__inner .section-sub { margin: 0 auto 1.5rem; }

/* === Split feature (about page) === */
.split-feature { padding: 4rem 0; background: var(--color-neutral-light); }
.split-feature__inner { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
.split-feature__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-md); }
@media (min-width: 900px) {
  .split-feature__inner { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

/* === Highlights / cards === */
.highlights { padding: 4rem 0; }
.grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2, .grid-3, .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; border: 1px solid var(--color-border); 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 { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(3, 105, 161, 0.15)); color: var(--color-primary); margin-bottom: 1rem; }
.card p { color: var(--color-muted); margin-bottom: 0; font-size: .98rem; }
.card h3 { margin-bottom: .5rem; }

/* === Services === */
.services { padding: 4rem 0; background: var(--color-neutral-light); }
.services__layout { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
.services__diagram img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-sm); background: #fff; }
@media (min-width: 1024px) {
  .services__layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 2.5rem; }
}

/* === FAQ === */
.faq { padding: 4rem 0; }
.faq__list { max-width: 820px; margin-inline: auto; display: flex; flex-direction: column; gap: .75rem; }
.faq details { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem 1.5rem; box-shadow: var(--shadow-sm); transition: box-shadow .2s ease; }
.faq details[open] { box-shadow: var(--shadow-md); }
.faq summary { font-family: var(--font-heading); font-weight: 600; color: var(--color-neutral-dark); cursor: pointer; list-style: none; padding-right: 2rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 0; font-size: 1.4rem; color: var(--color-accent); transition: transform .25s ease; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 1rem; color: var(--color-muted); }

/* === Testimonial === */
.testimonial { padding: 4rem 0; background: linear-gradient(135deg, var(--color-neutral-dark), var(--color-primary)); color: #fff; }
.testimonial blockquote { max-width: 820px; margin: 0 auto; text-align: center; }
.testimonial blockquote p { font-family: var(--font-heading); font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: 500; line-height: 1.5; color: #fff; }
.testimonial cite { display: block; margin-top: 1.5rem; font-style: normal; font-size: .95rem; color: rgba(255, 255, 255, 0.8); }

/* === CTA band === */
.cta-band { padding: 3rem 0; }
.cta-band__inner { background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: #fff; border-radius: 24px; padding: 2.5rem; display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; box-shadow: var(--shadow-md); }
.cta-band__inner h2 { color: #fff; }
.cta-band__inner p { color: rgba(255, 255, 255, 0.85); margin-bottom: 0; }
@media (min-width: 768px) {
  .cta-band__inner { flex-direction: row; align-items: center; justify-content: space-between; padding: 3rem 3.5rem; }
  .cta-band__inner > div { flex: 1; }
}

/* === Stats === */
.stats { padding: 4rem 0; }
.stat-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card h3 { color: var(--color-accent); font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 700; }
.stat-card p { color: var(--color-muted); margin-bottom: 0; font-size: .98rem; }

/* === Contact === */
.contact-block { padding: 4rem 0; background: var(--color-neutral-light); }
.contact-block__inner { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; flex-direction: column; gap: 1.25rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-list__icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: #fff; color: var(--color-primary); flex-shrink: 0; border: 1px solid var(--color-border); }
.contact-list h3 { font-size: 1rem; margin-bottom: .25rem; }
.contact-list p { margin: 0; color: var(--color-muted); }
.contact-form { background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1.25rem; }
.field label { font-family: var(--font-heading); font-weight: 500; font-size: .95rem; color: var(--color-neutral-dark); }
.field input, .field textarea { font-family: var(--font-body); font-size: 1rem; padding: .75rem .9rem; border-radius: 10px; border: 1px solid var(--color-border); background: #fff; color: var(--color-text); transition: border-color .15s ease, box-shadow .15s ease; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-secondary); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18); }
@media (min-width: 900px) {
  .contact-block__inner { grid-template-columns: 1fr 1fr; gap: 3rem; }
}

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(240, 249, 255, 0.85); padding: 3.5rem 0 1.5rem; margin-top: 4rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer a { color: rgba(240, 249, 255, 0.85); }
.site-footer a:hover { color: var(--color-accent); }
.site-footer__grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
.site-footer ul, .legal-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .5rem; }
.legal-links { margin-top: 1rem; }
.site-footer address { font-style: normal; line-height: 1.7; }
.site-footer__base { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(240, 249, 255, 0.12); font-size: .9rem; color: rgba(240, 249, 255, 0.6); }
.site-footer__base p { margin: 0; }
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: 1.2fr 1fr 1.4fr; 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); box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55); max-width: 720px; margin-inline: auto; }
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: .95rem; color: rgba(240, 249, 255, 0.9); }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner__actions button { font-family: var(--font-heading); font-weight: 500; font-size: .9rem; padding: .55rem 1.1rem; border-radius: 999px; border: 1px solid rgba(240, 249, 255, 0.25); background: transparent; color: var(--color-neutral-light); cursor: pointer; transition: background .15s ease, transform .15s ease; }
.cookie-banner__actions button:hover { background: rgba(240, 249, 255, 0.1); }
.cookie-banner__actions button[data-cookie-accept] { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.cookie-banner__actions button[data-cookie-accept]:hover { background: #ea6a10; }
.cookie-banner__prefs { margin-top: 1rem; display: flex; flex-direction: column; gap: .5rem; padding-top: 1rem; border-top: 1px solid rgba(240, 249, 255, 0.18); }
.cookie-banner__prefs label { display: flex; gap: .5rem; align-items: center; font-size: .92rem; }
.cookie-banner__prefs button { align-self: flex-start; margin-top: .5rem; font-family: var(--font-heading); font-weight: 500; padding: .55rem 1.1rem; border-radius: 999px; border: 1px solid var(--color-accent); background: var(--color-accent); color: #fff; cursor: pointer; }

/* === 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; }
}