:root {
  --ink: #10243e;
  --ink-deep: #091727;
  --teal: #11a4b5;
  --lime: #93c83e;
  --paper: #f6f8f7;
  --white: #fff;
  --mist: #dce9e8;
  --line: rgba(16, 36, 62, .15);
  --serif: "Manrope", sans-serif;
  --sans: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
em { color: var(--teal); font-style: normal; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 100; top: -60px; left: 16px; padding: 10px 14px; background: white; color: var(--ink); border-radius: 4px; transition: top .2s; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; z-index: 50; inset: 0 0 auto; transition: background .3s, box-shadow .3s; }
.site-header.scrolled { background: rgba(246, 248, 247, .94); box-shadow: 0 1px 0 rgba(16,36,62,.12); backdrop-filter: blur(15px); }
.nav-shell { width: min(1400px, calc(100% - 64px)); height: 98px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { position: relative; z-index: 2; display: flex; width: 178px; height: 70px; align-items: center; padding: 8px 12px; border-radius: 3px; background: rgba(255,255,255,.96); overflow: hidden; box-shadow: 0 8px 30px rgba(9,23,39,.08); }
.brand img { width: 100%; height: 100%; object-fit: contain; }
nav { display: flex; align-items: center; gap: clamp(20px, 2.3vw, 38px); color: #fff; font-size: .92rem; font-weight: 500; }
.site-header.scrolled nav { color: var(--ink); }
nav > a:not(.nav-cta) { position: relative; }
nav > a:not(.nav-cta)::after { content: ""; position: absolute; inset: auto 0 -7px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .25s; }
nav > a:hover::after, nav > a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 12px 18px; border: 1px solid rgba(255,255,255,.55); border-radius: 2px; transition: background .2s, color .2s; }
.site-header.scrolled .nav-cta { border-color: var(--ink); }
.nav-cta:hover { background: #fff; color: var(--ink); }
.site-header.scrolled .nav-cta:hover { background: var(--ink); color: #fff; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 780px; height: 96vh; overflow: hidden; background: var(--ink-deep); color: white; }
.hero-media, .hero-overlay { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.88) contrast(1.02); }
.hero-overlay { background: linear-gradient(90deg, rgba(9,23,39,.96) 0%, rgba(9,23,39,.78) 40%, rgba(9,23,39,.16) 73%, rgba(9,23,39,.25) 100%), linear-gradient(0deg, rgba(9,23,39,.56), transparent 43%); }
.hero-grid { position: relative; z-index: 2; width: min(1400px, calc(100% - 64px)); height: 100%; margin: auto; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(230px, .45fr); align-items: center; gap: 80px; padding-top: 80px; }
.hero-copy { max-width: 790px; }
.eyebrow { margin: 0 0 24px; color: rgba(255,255,255,.72); font-size: .78rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow.dark { color: #517078; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 500; letter-spacing: -.055em; line-height: .98; }
h1 { font-size: clamp(3.6rem, 6.4vw, 6.5rem); }
h1 em { color: var(--lime); }
.hero-intro { max-width: 640px; margin: 32px 0 38px; color: rgba(255,255,255,.82); font-size: clamp(1.08rem, 1.5vw, 1.3rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 54px; padding: 0 23px; border-radius: 2px; font-size: .94rem; font-weight: 700; transition: transform .2s, background .2s, color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--lime); }
.button-primary:hover { background: #a9dc57; }
.text-link { display: inline-flex; gap: 13px; align-items: center; font-weight: 600; }
.text-link span { color: var(--teal); }
.hero-note { align-self: end; margin-bottom: 145px; max-width: 285px; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.35); }
.hero-note .note-index { display: block; margin-bottom: 12px; color: var(--lime); font-size: .75rem; letter-spacing: .15em; }
.hero-note p { margin: 0; color: rgba(255,255,255,.78); font-size: .95rem; line-height: 1.55; }
.hero-ribbon { position: absolute; z-index: 2; inset: auto 0 0; height: 68px; display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3.5vw, 62px); background: rgba(10,28,47,.85); border-top: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(8px); color: rgba(255,255,255,.75); text-transform: uppercase; font-size: .72rem; font-weight: 700; letter-spacing: .18em; }
.hero-ribbon i { width: 5px; height: 5px; background: var(--lime); border-radius: 50%; }

.section { width: min(1240px, calc(100% - 64px)); margin-inline: auto; }
.intro { position: relative; display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(60px, 9vw, 145px); padding-block: 145px; }
.section-number { position: absolute; top: 66px; left: 0; color: #6d878d; font-size: .75rem; letter-spacing: .15em; }
.intro h2, .method h2, .cta-section h2 { font-size: clamp(2.6rem, 4.7vw, 4.8rem); }
.intro-copy { padding-top: 58px; }
.intro-copy p { margin: 0 0 24px; color: #3b555d; font-size: 1.08rem; line-height: 1.8; }

.expertises { color: white; background: var(--ink); }
.expertises-head { display: grid; grid-template-columns: 1fr 360px; gap: 60px; align-items: end; padding-block: 110px 70px; }
.expertises-head h2, .engagements h2 { font-size: clamp(2.8rem, 5vw, 5.2rem); }
.expertises-head > p { margin: 0 0 10px; color: rgba(255,255,255,.68); font-size: 1.05rem; }
.expertise-list { display: grid; grid-template-columns: repeat(3, 1fr); width: min(1400px, calc(100% - 64px)); margin: auto; padding-bottom: 110px; }
.expertise-card { position: relative; min-height: 515px; padding: 44px 42px; border: 1px solid rgba(255,255,255,.14); transition: transform .3s, background .3s; }
.expertise-card + .expertise-card { border-left: 0; }
.expertise-card:hover { z-index: 2; transform: translateY(-8px); background: rgba(255,255,255,.04); }
.expertise-card.feature { background: var(--teal); color: #071d2c; border-color: var(--teal); }
.expertise-card.feature:hover { background: #20afbf; }
.card-number { color: rgba(255,255,255,.46); font-size: .72rem; letter-spacing: .16em; }
.feature .card-number { color: rgba(7,29,44,.6); }
.card-icon { position: absolute; top: 38px; right: 38px; font-size: 1.55rem; }
.expertise-card h3 { margin: 72px 0 24px; font-family: var(--serif); font-size: 2rem; font-weight: 500; line-height: 1.15; letter-spacing: -.04em; }
.expertise-card p { min-height: 92px; margin: 0; color: rgba(255,255,255,.67); }
.feature p { color: rgba(7,29,44,.77); }
.expertise-card ul { margin: 34px 0 0; padding: 22px 0 0; border-top: 1px solid rgba(255,255,255,.2); list-style: none; }
.feature ul { border-color: rgba(7,29,44,.2); }
.expertise-card li { position: relative; padding: 5px 0 5px 20px; font-size: .92rem; }
.expertise-card li::before { content: ""; position: absolute; left: 0; top: 14px; width: 7px; height: 1px; background: var(--lime); }
.feature li::before { background: var(--ink); }

.method { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(70px, 9vw, 150px); align-items: center; padding-block: 145px; }
.method-visual { position: relative; width: min(440px, 100%); aspect-ratio: 1; display: grid; place-items: center; }
.orbit { position: absolute; border: 1px solid rgba(16,36,62,.2); border-radius: 50%; }
.orbit-one { inset: 5%; }
.orbit-two { inset: 22%; border-color: rgba(17,164,181,.45); }
.method-core { position: relative; z-index: 2; width: 130px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--ink); text-align: center; line-height: 1.25; box-shadow: 0 22px 60px rgba(16,36,62,.18); }
.satellite { position: absolute; display: grid; place-items: center; width: 92px; aspect-ratio: 1; border-radius: 50%; background: white; box-shadow: 0 12px 40px rgba(16,36,62,.1); font-size: .78rem; font-weight: 700; }
.sat-one { top: 1%; right: 18%; }
.sat-two { left: 0; bottom: 18%; color: white; background: var(--teal); }
.sat-three { right: 1%; bottom: 16%; background: var(--lime); }
.steps { margin: 55px 0 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; padding: 21px 0; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li > span { padding-top: 3px; color: var(--teal); font-size: .72rem; letter-spacing: .12em; }
.steps h3 { margin: 0 0 5px; font-family: var(--serif); font-size: 1.25rem; font-weight: 600; }
.steps p { margin: 0; color: #587079; }

.engagements { color: white; background: var(--ink-deep); overflow: hidden; }
.engagements-inner { position: relative; padding-block: 120px; }
.engagements-inner::before { content: ""; position: absolute; width: 480px; height: 480px; right: -280px; top: -210px; border: 1px solid rgba(147,200,62,.25); border-radius: 50%; box-shadow: 0 0 0 90px rgba(17,164,181,.05), 0 0 0 180px rgba(147,200,62,.03); }
.engagements-title { max-width: 930px; }
.engagements h2 em { color: var(--lime); }
.commitments { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 80px; border-top: 1px solid rgba(255,255,255,.18); }
.commitment { padding: 35px 50px 8px 0; }
.commitment + .commitment { padding-left: 50px; border-left: 1px solid rgba(255,255,255,.18); }
.commitment span { color: var(--teal); font-size: .72rem; letter-spacing: .15em; }
.commitment h3 { margin: 24px 0 10px; font-family: var(--serif); font-size: 1.55rem; font-weight: 500; }
.commitment p { margin: 0; color: rgba(255,255,255,.63); }

.cta-section { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(65px, 8vw, 130px); align-items: start; padding-block: 140px; overflow: hidden; }
.cta-mark { position: absolute; right: -10px; top: -130px; color: rgba(16,36,62,.035); font-family: var(--serif); font-size: 32rem; font-weight: 600; line-height: 1; }
.contact-intro { max-width: 530px; margin: 32px 0 0; color: #4f6971; font-size: 1.04rem; }
.contact-form { position: relative; z-index: 1; padding: 38px; color: var(--ink); background: white; box-shadow: 0 24px 80px rgba(16,36,62,.11); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 22px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field > span { font-size: .83rem; font-weight: 700; }
.field b, .consent b { color: var(--teal); }
.field-full { grid-column: 1 / -1; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #c8d5d5; border-radius: 2px; color: var(--ink); background: #fbfcfc; font: inherit; font-size: .95rem; outline: none; transition: border-color .2s, box-shadow .2s, background .2s; }
.field input, .field select { min-height: 50px; padding: 0 14px; }
.field textarea { padding: 13px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); background: white; box-shadow: 0 0 0 3px rgba(17,164,181,.12); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #a83b3b; }
.consent { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; color: #4f6971; font-size: .8rem; line-height: 1.55; }
.consent input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--teal); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 30px; padding-top: 25px; border-top: 1px solid var(--line); }
.form-footer p { margin: 0; color: #6a7d82; font-size: .75rem; }
.form-status { min-height: 24px; margin-top: 18px; font-size: .9rem; font-weight: 600; }
.form-status.success { color: #2d6d2f; }
.form-status.error { color: #9c3131; }
.contact-form.is-sent .form-grid, .contact-form.is-sent .form-footer { opacity: .36; pointer-events: none; }
.button-dark { color: white; background: var(--ink); }
.button-dark:hover { background: var(--teal); }

footer { padding: 72px max(32px, calc((100% - 1240px)/2)) 28px; color: white; background: #07131f; }
.footer-top { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 70px; padding-bottom: 58px; }
.footer-brand img { width: 190px; height: 90px; padding: 10px; object-fit: contain; background: white; border-radius: 2px; }
.footer-brand p { margin: 18px 0 0; color: rgba(255,255,255,.56); font-size: .88rem; }
.footer-label { margin: 0 0 15px; color: rgba(255,255,255,.42); font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.footer-contact { display: flex; flex-direction: column; align-items: flex-start; }
.footer-contact a { border-bottom: 1px solid rgba(255,255,255,.35); }
address { font-style: normal; color: rgba(255,255,255,.75); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.43); font-size: .75rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .13s; }
.reveal-delay-2 { transition-delay: .24s; }

@media (max-width: 960px) {
  .nav-shell { width: min(100% - 36px, 1400px); height: 82px; }
  .brand { width: 150px; height: 60px; }
  .menu-toggle { position: relative; z-index: 3; display: grid; width: 46px; height: 42px; place-content: center; gap: 5px; border: 0; background: transparent; }
  .menu-toggle > span:not(.sr-only) { width: 24px; height: 2px; background: white; transition: transform .2s, opacity .2s; }
  .site-header.scrolled .menu-toggle > span:not(.sr-only), .menu-toggle[aria-expanded="true"] > span:not(.sr-only) { background: var(--ink); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 25px; padding: 100px 32px; color: var(--ink); background: rgba(246,248,247,.98); font-size: 1.4rem; transform: translateX(100%); transition: transform .3s; }
  nav.open { transform: translateX(0); }
  .nav-cta { margin-top: 18px; border-color: var(--ink); font-size: 1rem; }
  .hero { height: auto; min-height: 780px; }
  .hero-grid { width: min(100% - 40px, 1400px); grid-template-columns: 1fr; gap: 35px; align-content: center; padding-block: 130px 100px; }
  .hero-note { align-self: auto; margin: 0; }
  .hero-overlay { background: linear-gradient(90deg, rgba(9,23,39,.94), rgba(9,23,39,.55)), linear-gradient(0deg, rgba(9,23,39,.65), transparent); }
  .section { width: min(100% - 40px, 1240px); }
  .intro, .method, .cta-section { grid-template-columns: 1fr; gap: 45px; }
  .intro { padding-block: 115px 95px; }
  .intro-copy { padding-top: 0; }
  .expertises-head { grid-template-columns: 1fr; align-items: start; padding-block: 90px 50px; }
  .expertises-head > p { max-width: 520px; }
  .expertise-list { width: min(100% - 40px, 1400px); grid-template-columns: 1fr; }
  .expertise-card { min-height: auto; }
  .expertise-card + .expertise-card { border-left: 1px solid rgba(255,255,255,.14); border-top: 0; }
  .method { padding-block: 100px; }
  .method-visual { margin: auto; max-width: 400px; }
  .commitments { grid-template-columns: 1fr; }
  .commitment, .commitment + .commitment { padding: 28px 0; border-left: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .cta-section { padding-block: 105px; }
  .contact-form { padding: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  h1 { font-size: clamp(3rem, 14vw, 4.2rem); }
  .hero { min-height: 760px; }
  .hero-grid { padding-top: 110px; }
  .hero-ribbon { gap: 13px; height: 54px; font-size: .62rem; letter-spacing: .08em; }
  .hero-ribbon span:nth-of-type(2), .hero-ribbon i:nth-of-type(2) { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .intro h2, .method h2, .cta-section h2, .expertises-head h2, .engagements h2 { font-size: clamp(2.45rem, 12vw, 3.5rem); }
  .expertise-card { padding: 34px 28px; }
  .expertise-card p { min-height: auto; }
  .method-visual { max-width: 330px; }
  .satellite { width: 76px; font-size: .68rem; }
  .method-core { width: 112px; }
  .engagements-inner { padding-block: 90px; }
  .footer-top { grid-template-columns: 1fr; gap: 38px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .contact-form { padding: 24px 20px; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}