:root {
  --ink: #042740;
  --ink-soft: #405269;
  --blue: #0876c9;
  --cyan: #00bbc9;
  --pale: #eef7fb;
  --line: #dce6ee;
  --white: #ffffff;
  --radius: 1.35rem;
  --shadow: 0 24px 70px rgba(7, 26, 47, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; }
.section { padding: 7.5rem 0; position: relative; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: .5rem; left: .5rem; z-index: 200; padding: .8rem 1rem; background: var(--ink); color: white; transform: translateY(-150%); border-radius: .5rem; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; border-bottom: 1px solid transparent; transition: .25s ease; }
.site-header.scrolled { background: rgba(255,255,255,.92); backdrop-filter: blur(18px); border-color: rgba(7,26,47,.08); }
.nav-wrap { min-height: 5.25rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { display: block; width: 9rem; height: auto; }
.nav-menu { display: flex; align-items: center; gap: 2rem; font-weight: 600; font-size: .92rem; }
.nav-menu > a:not(.nav-cta) { color: #31445b; transition: color .2s ease; }
.nav-menu > a:not(.nav-cta):hover { color: var(--blue); }
.language-switch { display: inline-flex; align-items: center; gap: .35rem; padding: .45rem .62rem; border: 1px solid var(--line); border-radius: .58rem; background: rgba(255,255,255,.72); font-size: .8rem; font-weight: 700; line-height: 1; }
.language-switch:hover { border-color: #a8c6e8; background: white; }
.nav-cta { padding: .78rem 1.12rem; color: white; background: var(--ink); border-radius: .65rem; }
.menu-toggle { display: none; border: 0; background: transparent; padding: .5rem; }
.menu-toggle span:not(.sr-only) { display: block; width: 1.5rem; height: 2px; background: var(--ink); margin: 5px 0; }

.hero { min-height: 100svh; padding-top: 10rem; padding-bottom: 2rem; overflow: hidden; background: linear-gradient(180deg, #f7fbfd 0%, #fff 75%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(7,26,47,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(7,26,47,.04) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 70%); }
.hero-glow { position: absolute; width: 34rem; height: 34rem; border-radius: 50%; filter: blur(90px); background: rgba(54,200,223,.16); right: 3%; top: 8%; }
.hero-grid { position: relative; display: block; }
.hero-copy { max-width: 61rem; padding-top: 2.5rem; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.35rem; color: var(--blue); font-size: .78rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow > span { width: 1.8rem; height: 1px; background: currentColor; }
h1, h2, h3 { font-family: "Manrope", sans-serif; line-height: 1.08; margin-top: 0; letter-spacing: -.045em; }
h1 { font-size: clamp(3.25rem, 6vw, 5.75rem); margin-bottom: 1.75rem; }
h1 em { color: var(--blue); font-style: normal; }
h2 { font-size: clamp(2.25rem, 4.5vw, 4.1rem); margin-bottom: 1.5rem; }
.hero-lead { max-width: 48rem; margin: 0 0 2.2rem; color: var(--ink-soft); font-size: 1.18rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.button { min-height: 3.25rem; display: inline-flex; align-items: center; justify-content: center; gap: .85rem; padding: .86rem 1.2rem; border: 1px solid transparent; border-radius: .7rem; cursor: pointer; font-weight: 700; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--blue); box-shadow: 0 12px 28px rgba(18,102,227,.22); }
.button-primary:hover { background: #0d58c7; }
.button-ghost { border-color: var(--line); background: rgba(255,255,255,.72); }
.button-light { color: var(--ink); background: white; }
.hero-tags { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 2.25rem; }
.hero-tags span { padding: .35rem .65rem; border: 1px solid var(--line); border-radius: 2rem; color: #526279; background: rgba(255,255,255,.7); font-size: .8rem; }
.proof-strip { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 5rem; border-top: 1px solid var(--line); }
.proof-strip p { margin: 0; padding: 1.35rem 1.5rem; border-right: 1px solid var(--line); }
.proof-strip p:last-child { border: 0; }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { font-size: .92rem; }
.proof-strip span { color: #728196; font-size: .77rem; }

.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 4rem; margin-bottom: 4rem; }
.section-heading h2 { margin: 0; }
.section-heading > p { max-width: 35rem; margin: 0 0 .5rem; color: var(--ink-soft); font-size: 1.05rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.service-card { --card-accent-a: var(--cyan); --card-accent-b: #63dfd9; position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 34rem; padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: white; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card::before { content: ""; position: absolute; inset: 0 0 auto; height: .28rem; background: linear-gradient(90deg, var(--card-accent-a), var(--card-accent-b)); }
.service-card:nth-child(1) { background: linear-gradient(145deg, #ffffff 0%, #eefcfb 100%); border-color: #cfecea; }
.service-card:nth-child(2) { --card-accent-a: #00a9d4; --card-accent-b: #4d8ff3; background: linear-gradient(145deg, #f5fcff 0%, #eaf3ff 100%); border-color: #cfe0f5; }
.service-card:nth-child(3) { --card-accent-a: #4d8ff3; --card-accent-b: #7d70e8; background: linear-gradient(145deg, #ffffff 0%, #f0f3ff 100%); border-color: #d9dcf4; }
.service-card:hover { transform: translateY(-7px); border-color: #a8c6e8; box-shadow: var(--shadow); }
.service-card.featured { border-color: #cfe0f5; }
.service-card h3 { margin-bottom: 1rem; font-size: 1.55rem; }
.service-card > p { color: var(--ink-soft); margin-top: 0; }
.training-highlight { margin: .1rem 0 .7rem; padding: 1rem; border: 1px solid #bfe6e4; border-radius: .8rem; background: rgba(223,247,245,.78); }
.training-highlight strong, .training-highlight span { display: block; }
.training-highlight strong { margin-bottom: .4rem; color: #075e69; font-size: .93rem; line-height: 1.35; }
.training-highlight span { color: #405f68; font-size: .82rem; line-height: 1.5; }
.service-list-label { display: block; margin: .35rem 0 -.2rem; color: #6054c8; font-size: .72rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.service-card ul { list-style: none; padding: 0; margin: 1rem 0 2rem; }
.service-card li { position: relative; padding: .45rem 0 .45rem 1.25rem; color: #405269; font-size: .9rem; }
.service-card li::before { content: ""; position: absolute; top: 1rem; left: 0; width: .38rem; height: .38rem; border-radius: 50%; background: var(--cyan); }
.service-card > a { margin-top: auto; color: var(--blue); font-weight: 700; font-size: .9rem; }

.expertise { overflow: hidden; color: white; background: var(--ink); }
.expertise::after { content: ""; position: absolute; width: 36rem; height: 36rem; border: 1px solid rgba(54,200,223,.13); border-radius: 50%; left: -16rem; bottom: -22rem; box-shadow: 0 0 0 5rem rgba(54,200,223,.025), 0 0 0 10rem rgba(54,200,223,.02); }
.expertise-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: 7rem; align-items: center; }
.eyebrow.light { color: var(--cyan); }
.expertise-copy > p:not(.eyebrow) { max-width: 34rem; color: #aabaca; font-size: 1.05rem; }
.expertise-copy .button { margin-top: 1.3rem; }
.expertise-list { border-top: 1px solid rgba(255,255,255,.15); }
.expertise-list > div { display: grid; grid-template-columns: .5rem 1fr auto; gap: 1rem; align-items: center; padding: 1.35rem .3rem; border-bottom: 1px solid rgba(255,255,255,.15); }
.expertise-list span { width: .5rem; height: .5rem; border-radius: 50%; background: var(--cyan); }
.expertise-list strong { font-size: 1.05rem; }
.expertise-list small { color: #8fa2b4; }

.method { background: #fbfdfe; }
.section-heading.compact { margin-bottom: 4.5rem; }
.process-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; list-style: none; padding: 0; margin: 0; }
.process-grid::before { content: ""; position: absolute; top: 1.45rem; left: 3%; right: 3%; height: 1px; background: var(--line); }
.process-grid li { position: relative; padding-right: 2.2rem; }
.process-grid li > span { position: relative; z-index: 1; display: block; width: .8rem; height: .8rem; margin: 1.05rem 0 3rem; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 .35rem #fbfdfe; }
.process-grid h3 { margin-bottom: .7rem; font-size: 1.35rem; }
.process-grid p { margin: 0; color: var(--ink-soft); font-size: .9rem; }
.method-banner { display: flex; align-items: center; justify-content: space-between; gap: 3rem; margin-top: 5rem; padding: 2rem 2.2rem; border-radius: var(--radius); color: white; background: linear-gradient(120deg, #0f64db, #0a3f8c); box-shadow: 0 18px 50px rgba(18,102,227,.22); }
.method-label { display: block; margin-bottom: .4rem; color: #bfeaf0; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.method-banner p { margin: 0; font-weight: 700; font-size: 1.08rem; }
.method-banner i { color: var(--cyan); font-style: normal; padding: 0 .45rem; }
.method-result { color: #c9d9ea; font-size: .9rem; }

.reproducibility { overflow: hidden; }
.repro-grid { display: block; }
.repro-copy { max-width: 64rem; }
.repro-copy > p:not(.eyebrow) { color: var(--ink-soft); font-size: 1.05rem; }
.repro-copy > p { max-width: 53rem; }
.repro-copy blockquote { max-width: 53rem; margin: 2rem 0 0; padding: 1.3rem 1.4rem; border-left: 3px solid var(--cyan); background: var(--pale); font-weight: 600; }

.about { background: #f5f9fc; }
.about-grid { display: block; }
.about-copy { max-width: 64rem; }
.about-copy > p { max-width: 53rem; }
.about-lead { color: var(--ink); font-size: 1.15rem; font-weight: 500; }
.about-copy > p:not(.eyebrow):not(.about-lead) { color: var(--ink-soft); }
.about-values { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.about-values span { padding: .55rem .75rem; border: 1px solid #cfdde7; border-radius: .55rem; background: white; color: #354b62; font-size: .8rem; font-weight: 600; }

.contact { color: white; background: #0a2541; }
.contact::before { content: ""; position: absolute; inset: 0; opacity: .1; background: radial-gradient(circle at 20% 20%, var(--cyan), transparent 30%), radial-gradient(circle at 75% 70%, var(--blue), transparent 35%); }
.contact-grid { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 7rem; align-items: start; }
.contact-copy > p:not(.eyebrow) { max-width: 34rem; color: #acbdcd; }
.contact-form { padding: 2rem; border-radius: 1.5rem; background: white; color: var(--ink); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form label { display: block; margin-bottom: 1rem; font-size: .78rem; font-weight: 700; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: .4rem; padding: .8rem .85rem; border: 1px solid #ccd9e3; border-radius: .55rem; color: var(--ink); background: #fbfdff; outline: none; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(18,102,227,.12); }
.contact-form textarea { resize: vertical; }
.contact-form .button { width: 100%; border: 0; }
.form-note, .form-status { text-align: center; font-size: .72rem; }
.form-note { margin: .8rem 0 0; color: #75869a; }
.form-status { min-height: 1.3rem; margin: .35rem 0 0; color: #0a7c73; font-weight: 600; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form button:disabled { cursor: wait; opacity: .7; }

.site-footer { color: #98aabc; background: #061525; }
.footer-top { min-height: 8rem; display: grid; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: center; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { width: fit-content; padding: .32rem .55rem; border-radius: .55rem; background: white; }
.footer-brand .brand-logo { width: 8.2rem; }
.footer-top > p { margin: 0; }
.footer-top nav { display: flex; gap: 1.4rem; font-size: .82rem; }
.footer-top nav a:hover { color: white; }
.footer-bottom { min-height: 4.5rem; display: flex; justify-content: space-between; align-items: center; font-size: .72rem; }
.footer-bottom div { display: flex; gap: 1.2rem; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .section { padding: 6rem 0; }
  .hero-grid, .expertise-grid, .contact-grid { grid-template-columns: 1fr; gap: 4rem; }
  .hero { padding-top: 9rem; }
  .hero-grid { gap: 3.5rem; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem 1.5rem; }
  .process-grid::before { display: none; }
  .contact-grid { gap: 3rem; }
  .footer-top { grid-template-columns: 1fr; gap: 1rem; padding: 2rem 0; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 2rem, 42rem); }
  .section { padding: 4.8rem 0; }
  .nav-wrap { min-height: 4.5rem; }
  .brand-logo { width: 8rem; }
  .menu-toggle { display: block; position: relative; z-index: 102; }
  .nav-menu { position: fixed; inset: 0; z-index: 101; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.4rem; padding: 5rem 2rem; background: white; transform: translateX(100%); transition: transform .3s ease; font-size: 1.3rem; }
  .nav-menu.open { transform: translateX(0); }
  .language-switch { font-size: 1rem; }
  .nav-cta { margin-top: 1rem; font-size: 1rem; }
  h1 { font-size: clamp(2.8rem, 13vw, 4.2rem); }
  .hero { min-height: auto; padding-top: 8rem; }
  .hero-lead { font-size: 1.05rem; }
  .hero-actions .button { width: 100%; }
  .proof-strip { grid-template-columns: 1fr 1fr; margin-top: 3.5rem; }
  .proof-strip p { border-bottom: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; margin-bottom: 2.5rem; }
  .expertise-list > div { grid-template-columns: 2rem 1fr; }
  .expertise-list small { grid-column: 2; }
  .process-grid { grid-template-columns: 1fr; }
  .method-banner { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .method-banner p { line-height: 1.8; }
  .method-banner i { padding: 0 .2rem; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 1.25rem; }
  .footer-top nav { flex-wrap: wrap; }
  .footer-bottom { padding: 1.2rem 0; flex-direction: column; align-items: flex-start; gap: .8rem; }
}