:root {
  --navy: #071b2f;
  --navy-2: #0b2943;
  --blue: #0f5d82;
  --teal: #14b8a6;
  --teal-dark: #0f9488;
  --mint: #dff8f3;
  --sky: #e9f4fa;
  --ink: #132334;
  --muted: #5d6c79;
  --line: #dce7ec;
  --white: #fff;
  --shadow: 0 20px 60px rgba(7, 27, 47, .11);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.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: 12px; left: 12px; z-index: 999; background: var(--white); color: var(--navy); padding: 10px 16px; border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(220,231,236,.75); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand img { width: 200px; height: 70px; object-fit: cover; object-position: center; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { text-decoration: none; font-size: .93rem; font-weight: 650; color: #314456; transition: color .2s ease; }
.main-nav a:hover { color: var(--teal-dark); }
.main-nav .nav-cta { padding: 11px 18px; border-radius: 999px; background: var(--navy); color: var(--white); }
.menu-toggle { display: none; border: 0; background: transparent; width: 44px; height: 44px; padding: 10px; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--navy); transition: .2s ease; }

.hero { min-height: 720px; position: relative; overflow: hidden; display: grid; align-items: center; padding: 92px 0 108px; background: linear-gradient(135deg, #f8fcfd 0%, #edf8f7 48%, #f4f8fb 100%); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 72px; align-items: center; position: relative; z-index: 2; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); opacity: .55; }
.hero-glow-one { width: 520px; height: 520px; background: radial-gradient(circle, rgba(20,184,166,.20), transparent 68%); right: -100px; top: -160px; }
.hero-glow-two { width: 420px; height: 420px; background: radial-gradient(circle, rgba(15,93,130,.14), transparent 70%); left: -170px; bottom: -170px; }
.eyebrow { margin: 0 0 16px; color: var(--teal-dark); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.1; letter-spacing: -.035em; }
h1 { max-width: 740px; margin-bottom: 24px; color: var(--navy); font-size: clamp(3rem, 6vw, 5.3rem); }
h1 span { color: var(--teal-dark); }
h2 { margin-bottom: 20px; color: var(--navy); font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { color: var(--navy); font-size: 1.35rem; }
.hero-lead { max-width: 670px; margin: 0; color: #43586a; font-size: 1.19rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 13px 22px; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-weight: 750; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); color: var(--white); box-shadow: 0 12px 26px rgba(20,184,166,.24); }
.button-ghost { border-color: #b9cbd3; background: rgba(255,255,255,.56); color: var(--navy); }
.button-light { background: var(--white); color: var(--navy); }
.proof-list { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; margin: 30px 0 0; list-style: none; color: #506475; font-size: .9rem; font-weight: 650; }
.proof-list li::before { content: "✓"; margin-right: 8px; color: var(--teal-dark); }
.hero-visual { position: relative; min-height: 480px; display: grid; place-items: center; }
.visual-card { width: min(440px, 100%); padding: 24px; border: 1px solid rgba(255,255,255,.8); border-radius: 32px; background: rgba(7,27,47,.96); color: var(--white); box-shadow: 0 38px 80px rgba(7,27,47,.24); transform: rotate(2deg); }
.visual-topbar { display: flex; gap: 7px; padding-bottom: 34px; }
.visual-topbar span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.34); }
.metric-row { display: flex; align-items: center; justify-content: space-between; }
.metric-row small { display: block; color: #9fb2c2; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.metric-row strong { display: block; margin-top: 5px; font-size: 2rem; }
.metric-icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 16px; background: rgba(20,184,166,.16); color: #67e2d4; font-size: 1.5rem; }
.chart { height: 190px; display: flex; align-items: end; gap: 14px; margin-top: 36px; padding: 26px 22px 0; border-radius: 20px; background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.07)); }
.chart span { flex: 1; height: var(--h); border-radius: 9px 9px 3px 3px; background: linear-gradient(180deg, #58e1d3, #0c6d78); }
.visual-pills { display: flex; gap: 10px; margin-top: 18px; }
.visual-pills span { padding: 8px 10px; border-radius: 9px; background: rgba(255,255,255,.08); color: #cbd9e2; font-size: .76rem; }
.floating-note { position: absolute; right: -16px; bottom: 60px; padding: 14px 18px; border-radius: 16px; background: var(--white); box-shadow: var(--shadow); color: var(--navy); font-weight: 780; }

.section { padding: 108px 0; }
.section-soft { background: #f4f8fa; }
.section-heading { max-width: 760px; margin-bottom: 50px; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.challenge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.challenge-card { padding: 28px 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
.challenge-card > span { display: block; margin-bottom: 34px; color: var(--teal-dark); font-weight: 850; }
.challenge-card h3 { margin-bottom: 12px; font-size: 1.15rem; }
.challenge-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.service-card { position: relative; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.service-card.featured { background: linear-gradient(145deg, #eefbf8, #f7fbfc); border-color: #a9e5dc; }
.service-label { position: absolute; top: 20px; right: 20px; padding: 6px 10px; border-radius: 999px; background: var(--navy); color: var(--white); font-size: .7rem; font-weight: 750; }
.service-icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 16px; background: var(--mint); color: var(--teal-dark); font-size: 1.6rem; font-weight: 900; }
.service-card p { color: var(--muted); }
.service-card ul { padding-left: 20px; margin: 23px 0 28px; color: #405365; }
.service-card li { margin: 7px 0; }
.service-card > a { color: var(--teal-dark); text-decoration: none; font-weight: 780; }
.service-card > a span { margin-left: 5px; }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark h2 { color: var(--white); }
.section-dark .eyebrow { color: #59daca; }
.method-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 88px; align-items: start; }
.method-copy > p:not(.eyebrow) { max-width: 480px; color: #b6c6d1; font-size: 1.07rem; }
.method-copy .button { margin-top: 20px; }
.steps { padding: 0; margin: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 58px 1fr; gap: 20px; padding: 0 0 28px; margin-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.13); }
.steps li > span { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid rgba(89,218,202,.42); border-radius: 50%; color: #59daca; font-weight: 850; }
.steps h3 { margin-bottom: 7px; color: var(--white); }
.steps p { margin: 0; color: #aebfcb; }
.use-cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.use-case { min-height: 230px; display: flex; flex-direction: column; justify-content: end; padding: 26px; border-radius: 22px; background: linear-gradient(155deg, #f2f9fa, #e5f3f2); }
.use-case:nth-child(even) { background: linear-gradient(155deg, #f3f7fb, #e6eef7); }
.use-case > span { margin-bottom: auto; color: var(--teal-dark); font-size: .75rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.use-case h3 { margin-bottom: 10px; }
.use-case p { margin: 0; color: var(--muted); font-size: .92rem; }
.about-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: center; }
.about-image { overflow: hidden; border-radius: 28px; box-shadow: var(--shadow); }
.about-image img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.about-copy > p:not(.eyebrow) { color: var(--muted); font-size: 1.03rem; }
.values { display: grid; gap: 14px; margin-top: 30px; }
.values div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.values strong { color: var(--navy); }
.values span { color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { padding: 22px 44px 22px 0; color: var(--navy); font-weight: 760; cursor: pointer; list-style: none; position: relative; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 8px; top: 18px; color: var(--teal-dark); font-size: 1.5rem; font-weight: 400; }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { margin: 0; padding: 0 48px 22px 0; color: var(--muted); }
.contact-section { padding: 104px 0; background: linear-gradient(135deg, #0b2943, #071b2f); color: var(--white); }
.contact-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 74px; align-items: start; }
.contact-copy h2 { color: var(--white); }
.contact-copy > p:not(.eyebrow) { max-width: 500px; color: #bccbd5; font-size: 1.08rem; }
.contact-direct { display: grid; gap: 8px; margin-top: 28px; }
.contact-direct a { color: #66e2d3; text-decoration: none; font-weight: 750; }
.contact-form { padding: 34px; border: 1px solid rgba(255,255,255,.13); border-radius: 24px; background: rgba(255,255,255,.07); }
.contact-form label { display: grid; gap: 7px; margin-bottom: 18px; color: #e5eef3; font-size: .86rem; font-weight: 700; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; outline: none; background: rgba(255,255,255,.09); color: var(--white); padding: 13px 14px; transition: border .2s ease, background .2s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: #58d9ca; background: rgba(255,255,255,.12); }
.contact-form textarea::placeholder { color: #91a5b4; }
.contact-form .button { border: 0; }
.form-note { margin: 14px 0 0; color: #95a9b8; font-size: .76rem; }
.site-footer { padding: 64px 0 24px; background: #041321; color: #aebec9; }
.footer-grid { display: grid; grid-template-columns: 1.45fr .8fr 1fr .7fr; gap: 40px; }
.footer-grid > div { display: grid; align-content: start; gap: 9px; }
.footer-grid img { width: 200px; height: 70px; margin-bottom: 6px; object-fit: cover; object-position: center; filter: brightness(0) invert(1); opacity: .92; }
.footer-grid p { margin: 0; }
.footer-grid strong { color: var(--white); margin-bottom: 8px; }
.footer-grid a { color: #aebec9; text-decoration: none; }
.footer-grid a:hover { color: #62dccc; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .82rem; }
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .main-nav { position: absolute; top: 77px; left: 20px; right: 20px; display: none; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: var(--shadow); }
  .main-nav.open { display: grid; }
  .main-nav a { padding: 12px 14px; }
  .main-nav .nav-cta { margin-top: 4px; text-align: center; }
  .hero-grid, .method-grid, .about-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 72px; }
  .hero-grid { gap: 35px; }
  .hero-visual { min-height: 400px; }
  .challenge-grid, .use-cases { grid-template-columns: repeat(2, 1fr); }
  .method-grid, .about-grid, .faq-grid, .contact-grid { gap: 46px; }
  .about-image { max-width: 620px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .brand img { width: 150px; }
  .section { padding: 78px 0; }
  .hero { min-height: auto; padding: 58px 0 82px; }
  h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  h2 { font-size: 2.2rem; }
  .hero-lead { font-size: 1.03rem; }
  .hero-actions .button { width: 100%; }
  .proof-list { display: grid; gap: 8px; }
  .hero-visual { min-height: 340px; }
  .visual-card { padding: 20px; border-radius: 24px; transform: none; }
  .chart { height: 150px; gap: 9px; }
  .floating-note { right: -4px; bottom: 16px; font-size: .8rem; }
  .challenge-grid, .services-grid, .use-cases, .field-row { grid-template-columns: 1fr; }
  .service-card { padding: 28px 24px; }
  .service-label { position: static; display: inline-flex; margin-bottom: 20px; }
  .values div { grid-template-columns: 1fr; gap: 4px; }
  .contact-form { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
}

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