:root {
    color-scheme: dark;
    --background: #020617;
    --surface: #0b1224;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --blue: #38bdf8;
    --line: #1e293b;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
::selection { background: #075985; color: #fff; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a, input, textarea { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a, button { touch-action: manipulation; }
button:disabled { cursor: wait; opacity: .6; }
img { display: block; max-width: 100%; }
svg { display: block; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; }
h2 { font-size: clamp(32px, 3.5vw, 46px); letter-spacing: -.045em; line-height: 1.16; text-wrap: balance; }
h3 { font-size: 21px; letter-spacing: -.025em; line-height: 1.4; }
p { color: var(--muted); }
ul, ol { list-style: none; margin: 0; padding: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 6px; }
.container { width: min(1248px, calc(100% - 96px)); margin-inline: auto; }
.section { padding-block: 112px; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: var(--blue); font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 22px; height: 1px; background: currentColor; }
.section-heading { display: grid; grid-template-columns: 1.25fr 1fr; align-items: end; gap: 72px; margin-bottom: 56px; }
.section-heading h2 { margin-top: 22px; }
.section-heading > p { max-width: 420px; padding-bottom: 3px; }
.arrow { width: 20px; height: 20px; flex-shrink: 0; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 28px; min-height: 52px; padding: 12px 22px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 600; transition: background .2s, border-color .2s; }
.button-primary { background: #0ea5e9; color: #020617; }
.button-primary:hover { background: #38bdf8; }
.text-link { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; font-size: 14px; font-weight: 500; }
.text-link:hover { color: var(--blue); }
.skip-link { position: fixed; top: 12px; left: 20px; z-index: 100; padding: 12px 20px; background: var(--text); color: var(--background); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

/* A quiet, persistent navigation with the same treatment on every screen. */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--background); border-bottom: 1px solid var(--line); }
.nav-shell { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: 32px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; min-height: 44px; }
.brand-logo { display: block; width: 180px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links > a { display: flex; align-items: center; min-height: 44px; font-size: 13px; color: #b5c0d0; transition: color .2s; }
.nav-links > a:hover { color: var(--text); }
.nav-links .nav-contact { gap: 18px; margin-left: 10px; padding: 4px 17px; border: 1px solid #334155; border-radius: 4px; color: var(--text); }
.nav-contact:hover { border-color: var(--blue); }
.menu-button { display: none; }

/* Typography carries the opening; the blue accent belongs to the message. */
.hero { padding-top: 90px; }
.hero-grid { display: grid; grid-template-columns: 1.85fr 1fr; gap: 64px; align-items: end; padding-block: 34px 66px; }
h1 { font-size: clamp(54px, 6.5vw, 88px); letter-spacing: -.065em; line-height: 1.08; }
h1 span { display: block; }
h1 .accent { color: var(--blue); }
.hero-intro { padding-bottom: 6px; }
.hero-intro > p { max-width: 360px; font-size: 17px; line-height: 1.8; }
.hero-intro .button { margin-top: 30px; }
.hero-note { display: block; margin-top: 17px; color: var(--muted); font-size: 12px; }
.hero-baseline { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 24px; border-top: 1px solid var(--line); }
.hero-baseline p { font-size: 12px; }
.hero-baseline p span { padding-inline: 14px; color: #475569; }
.hero-baseline .text-link { font-size: 12px; color: #cbd5e1; white-space: nowrap; }
.hero-baseline .arrow { width: 16px; height: 16px; }

.clients { padding-block: 40px 46px; background: var(--surface); border-block: 1px solid var(--line); }
.clients-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); align-items: start; gap: 48px; }
.clients-label { padding-top: 12px; }
.clients h2 { font-size: 15px; letter-spacing: -.015em; }
.clients p { margin-top: 7px; font-size: 12px; }
.client-logos { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); align-items: center; gap: 24px 36px; }
.client-logos a { display: flex; justify-content: center; align-items: center; min-width: 0; min-height: 72px; opacity: .72; transition: opacity .25s; }
.client-logos a:hover, .client-logos a:focus-visible { opacity: 1; }
.client-logos img { object-fit: contain; width: auto; max-width: min(145px, 100%); max-height: 34px; filter: grayscale(1) brightness(0) invert(1); transition: filter .25s; }
.client-logos a:hover img, .client-logos a:focus-visible img { filter: none; }
.client-logos .tanta { max-height: 46px; max-width: 125px; }
.client-logos .pulsitor { max-height: 40px; max-width: 145px; filter: grayscale(1); }

.service { display: grid; grid-template-columns: 64px 1fr 1.12fr; gap: 32px; padding-block: 36px 40px; border-top: 1px solid var(--line); }
.service:last-child { border-bottom: 1px solid var(--line); }
.service-number { color: var(--blue); font-size: 12px; font-variant-numeric: tabular-nums; padding-top: 7px; }
.service h3 { font-size: 27px; letter-spacing: -.035em; }
.service-type { margin-top: 10px; color: var(--muted); font-size: 12px; }
.service-description > p { font-size: 15px; max-width: 520px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 21px; }
.service-tags li { color: #cbd5e1; font-size: 11px; }
.service-tags li::before { content: '·'; color: var(--blue); margin-right: 8px; }

.approach { background: var(--surface); border-block: 1px solid var(--line); }
.approach-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; }
.approach-intro h2 { margin-block: 24px; }
.approach-intro > p { max-width: 340px; font-size: 15px; }
.approach-intro .text-link { margin-top: 24px; }
.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 42px 38px; }
.principles article { border-top: 1px solid #334155; padding-top: 20px; }
.principles h3 { font-size: 18px; margin-bottom: 12px; }
.principles p { font-size: 14px; }
.principle-mark { display: block; color: var(--blue); font-size: 12px; margin-bottom: 22px; }

.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.process-list li { padding-top: 21px; border-top: 1px solid #334155; counter-increment: step; }
.process-list li::before { content: '0' counter(step); display: block; margin-bottom: 34px; color: var(--blue); font-size: 12px; font-variant-numeric: tabular-nums; }
.process-list h3 { margin-bottom: 13px; font-size: 19px; }
.process-list p { font-size: 14px; }
.technologies { padding-block: 48px; border-block: 1px solid var(--line); }
.technology-layout { display: grid; grid-template-columns: 1fr 2fr; align-items: center; gap: 48px; }
.technologies h2 { font-size: 16px; letter-spacing: -.015em; }
.technologies p { font-size: 12px; margin-top: 6px; }
.technology-list { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 26px; }
.technology-list li { font-size: 16px; font-weight: 500; letter-spacing: -.025em; color: #cbd5e1; }

.contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 112px; }
.contact-intro h2 { margin-top: 24px; font-size: clamp(38px, 4vw, 54px); }
.contact-intro > p { margin-top: 25px; max-width: 370px; font-size: 15px; }
.contact-email { display: inline-flex; gap: 22px; align-items: center; margin-top: 34px; padding-bottom: 8px; border-bottom: 1px solid #334155; font-size: 22px; letter-spacing: -.03em; }
.contact-email:hover { color: var(--blue); border-color: var(--blue); }
.company-details { margin-top: 43px; color: var(--muted); font-size: 12px; font-style: normal; line-height: 1.9; }
.company-details strong { font-weight: 500; color: #cbd5e1; }
.contact-form { padding-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { margin-bottom: 25px; }
.field label { display: block; margin-bottom: 10px; font-size: 13px; font-weight: 500; }
input, textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid #334155; border-radius: 3px; background: var(--surface); color: var(--text); font-size: 14px; transition: border-color .2s; }
input::placeholder, textarea::placeholder { color: #94a3b8; opacity: .8; }
input:hover, textarea:hover { border-color: #64748b; }
input:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: 2px; border-color: transparent; }
textarea { min-height: 160px; resize: vertical; }
.form-footer { display: flex; gap: 20px; justify-content: space-between; align-items: center; }
.form-footer p { font-size: 11px; max-width: 180px; }
.form-status { margin-top: 20px; font-size: 14px; }
.form-status[data-state='success'] { color: #6ee7b7; }
.form-status[data-state='error'] { color: #fda4af; }
.honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.site-footer { border-top: 1px solid var(--line); padding-block: 34px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { display: inline-flex; align-items: center; min-height: 44px; }
.footer-brand .brand-logo { width: 136px; }
.footer-row p, .footer-row > a { font-size: 11px; color: var(--muted); }
.footer-row > a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
.footer-row > a:hover { color: var(--text); }
.footer-row .arrow { width: 15px; height: 15px; }

@media (min-width: 1500px) { .hero { padding-top: 105px; } .hero-grid { padding-bottom: 82px; } }
@media (max-width: 1100px) {
    .container { width: calc(100% - 64px); }
    .nav-links { gap: 18px; }
    .nav-links .nav-contact { margin-left: 0; }
    .hero-grid { gap: 40px; grid-template-columns: 1.6fr 1fr; }
    h1 { font-size: clamp(54px, 7vw, 76px); }
    .hero-intro > p { font-size: 15px; }
    .clients-layout { grid-template-columns: 180px minmax(0, 1fr); gap: 30px; }
    .client-logos { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 24px; }
    .client-logos img { max-width: 115px; max-height: 28px; }
    .client-logos .tanta { max-width: 100px; max-height: 40px; }
    .approach-layout { gap: 60px; }
    .contact-layout { gap: 64px; }
}
@media (max-width: 900px) {
    .nav-shell { min-height: 76px; flex-wrap: wrap; gap: 0; }
    .menu-button { display: inline-flex; gap: 12px; align-items: center; justify-content: center; background: transparent; color: var(--text); min-height: 44px; padding: 10px 0 10px 16px; border: 0; font-size: 13px; }
    .menu-icon { width: 20px; height: 14px; position: relative; border-block: 1px solid currentColor; }
    .menu-button[aria-expanded='true'] .menu-icon { border-color: transparent; }
    .menu-button[aria-expanded='true'] .menu-icon::before, .menu-button[aria-expanded='true'] .menu-icon::after { content: ''; position: absolute; top: 5px; left: 0; width: 20px; height: 1px; background: currentColor; transform: rotate(45deg); }
    .menu-button[aria-expanded='true'] .menu-icon::after { transform: rotate(-45deg); }
    .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 32px 24px; max-height: calc(100dvh - 76px); overflow-y: auto; background: var(--background); border-bottom: 1px solid var(--line); }
    .nav-links.is-open { display: flex; }
    .nav-links > a { padding: 10px 0; font-size: 15px; }
    .nav-links .nav-contact { justify-content: space-between; padding-inline: 15px; margin-top: 10px; }
    .hero { padding-top: 64px; }
    .hero-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 48px; }
    h1 { font-size: clamp(54px, 9vw, 80px); }
    .hero-intro { display: grid; grid-template-columns: 1.3fr 1fr; column-gap: 40px; align-items: start; }
    .hero-intro > p { grid-row: span 2; font-size: 16px; max-width: 420px; }
    .hero-intro .button { margin-top: 3px; justify-self: start; }
    .hero-note { margin-top: 12px; }
    .clients-layout { grid-template-columns: 1fr; gap: 24px; }
    .clients-label { display: flex; align-items: center; gap: 16px; padding-top: 0; }
    .clients-label p { margin: 0; }
    .client-logos a { justify-content: flex-start; }
    .section { padding-block: 80px; }
    .section-heading { gap: 40px; }
    .service { grid-template-columns: 40px 1fr 1.15fr; gap: 22px; }
    .service h3 { font-size: 22px; }
    .approach-layout { grid-template-columns: 1fr; gap: 40px; }
    .approach-intro > p { max-width: 520px; }
    .approach-intro h2 { max-width: 480px; }
    .principles { gap: 32px; }
    .process-list { grid-template-columns: 1fr 1fr; gap: 36px; }
    .technology-layout { grid-template-columns: 1fr; gap: 25px; }
    .technology-list { justify-content: flex-start; gap: 20px 32px; }
    .contact-layout { gap: 40px; }
    .contact-email { font-size: 20px; gap: 15px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-footer { flex-direction: column-reverse; align-items: flex-start; gap: 14px; }
    .form-footer p { max-width: none; }
}
@media (max-width: 600px) {
    html { scroll-padding-top: 94px; }
    .container { width: calc(100% - 40px); }
    .nav-shell { min-height: 72px; }
    .nav-links { padding-inline: 20px; max-height: calc(100dvh - 72px); }
    .brand-logo { width: 156px; }
    .hero { padding-top: 46px; }
    .eyebrow { font-size: 10px; gap: 9px; letter-spacing: .1em; }
    .hero-grid { padding-top: 27px; gap: 27px; padding-bottom: 32px; }
    h1 { font-size: clamp(42px, 10.2vw, 61px); letter-spacing: -.055em; }
    .hero-intro { display: block; }
    .hero-intro > p { font-size: 15px; max-width: 360px; }
    .hero-intro .button { margin-top: 24px; }
    .hero-note { font-size: 11px; }
    .hero-baseline { padding-block: 18px; }
    .hero-baseline p { font-size: 10px; }
    .hero-baseline p span { padding-inline: 6px; }
    .hero-baseline .text-link { font-size: 11px; gap: 7px; }
    .clients { padding-block: 28px; }
    .clients-label { display: block; }
    .clients-label p { margin-top: 5px; }
    .client-logos { grid-template-columns: 1fr 1fr; gap: 12px 28px; }
    .client-logos a { justify-content: center; }
    .client-logos img { max-width: 130px; max-height: 29px; }
    .clients-layout { gap: 20px; }
    .section { padding-block: 64px; }
    .section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 35px; }
    .section-heading h2 { margin-top: 18px; }
    .section-heading > p { font-size: 14px; }
    .service { grid-template-columns: 27px 1fr; gap: 15px; padding-block: 26px 30px; }
    .service-number { padding-top: 3px; font-size: 11px; }
    .service h3 { font-size: 23px; }
    .service-type { margin-top: 5px; font-size: 11px; }
    .service-description { grid-column: 2; }
    .service-description > p { font-size: 14px; }
    .service-tags { gap: 6px 15px; margin-top: 16px; }
    .service-tags li { font-size: 10px; }
    .principles { grid-template-columns: 1fr; gap: 28px; }
    .principles article { position: relative; padding-left: 38px; }
    .principle-mark { position: absolute; left: 0; top: 23px; }
    .principles h3 { margin-bottom: 9px; }
    .process-list { gap: 30px 22px; }
    .process-list li::before { margin-bottom: 22px; }
    .process-list h3 { font-size: 17px; }
    .process-list p { font-size: 13px; }
    .technologies { padding-block: 32px; }
    .technology-list { gap: 16px 26px; }
    .technology-list li { font-size: 15px; }
    .contact-layout { grid-template-columns: 1fr; gap: 38px; }
    .contact-intro h2 { font-size: 40px; }
    .contact-intro > p { margin-top: 21px; }
    .contact-email { margin-top: 26px; font-size: 23px; }
    .company-details { margin-top: 26px; }
    .contact-form { border-top: 1px solid var(--line); padding-top: 30px; }
    input, textarea { font-size: 16px; }
    .form-footer .button { width: 100%; justify-content: space-between; }
    .footer-row { flex-wrap: wrap; gap: 12px; }
    .footer-row p { order: 3; flex-basis: 100%; font-size: 10px; }
    .site-footer { padding-block: 24px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}
@media (hover: none) {
    .client-logos a { opacity: 1; }
    .client-logos img, .client-logos .pulsitor { filter: none; }
}