:root {
  --navy-950: #071c26;
  --navy-900: #0a2431;
  --navy-850: #0c2c3c;
  --navy-800: #113848;
  --navy-700: #1a4a5f;
  --orange-500: #ff914d;
  --orange-400: #ffa76f;
  --orange-100: #fff0e6;
  --white: #ffffff;
  --text: #f4f7f8;
  --muted: #a9bbc4;
  --muted-2: #7f98a4;
  --line: rgba(255,255,255,.10);
  --panel: rgba(255,255,255,.045);
  --panel-strong: rgba(255,255,255,.065);
  --shadow: 0 22px 70px rgba(0,0,0,.24);
  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 30px;
  --max: 1180px;
  --header-h: 82px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--navy-850);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -10;
  background:
    radial-gradient(circle at 80% 12%, rgba(255,145,77,.07), transparent 23%),
    radial-gradient(circle at 16% 34%, rgba(50,139,184,.08), transparent 28%),
    linear-gradient(180deg, var(--navy-900), var(--navy-850) 42%, var(--navy-950));
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.container { width: min(var(--max), 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; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.site-header.scrolled,
.site-header.menu-open {
  background: rgba(7,28,38,.90);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--line);
  box-shadow: 0 12px 44px rgba(0,0,0,.18);
}
.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: auto; height: 56px; object-fit: contain; }
.site-nav ul { display: flex; align-items: center; gap: 26px; list-style: none; }
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  text-decoration: none;
  color: #dce7eb;
  font-size: .78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .095em;
  transition: color .22s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 7px;
  height: 2px;
  background: var(--orange-500);
  transition: right .22s ease;
}
.site-nav a:hover,
.site-nav a.active { color: var(--white); }
.site-nav a:hover::after,
.site-nav a.active::after { right: 0; }
.nav-contact {
  border: 1px solid rgba(255,145,77,.34);
  border-radius: 999px;
  padding-inline: 16px !important;
  color: var(--orange-400) !important;
}
.nav-contact::after { display: none; }
.nav-contact:hover { background: rgba(255,145,77,.08); }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.025);
  border-radius: 12px;
  color: var(--white);
  cursor: pointer;
}
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform .22s ease, opacity .22s ease;
}
.site-header.menu-open .menu-toggle span { opacity: 0; }
.site-header.menu-open .menu-toggle::before { transform: translateY(6px) rotate(45deg); }
.site-header.menu-open .menu-toggle::after { transform: translateY(-6px) rotate(-45deg); }

/* Shared typography */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--orange-500);
  font-size: .76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .16em;
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: var(--orange-500); }
.display-title,
.page-title,
.section-title {
  line-height: 1.03;
  letter-spacing: -.045em;
}
.display-title { font-size: clamp(3rem, 6.1vw, 5.9rem); max-width: 830px; }
.page-title { font-size: clamp(2.7rem, 5.2vw, 4.9rem); max-width: 830px; }
.section-title { font-size: clamp(2rem, 4vw, 3.15rem); }
.accent { color: var(--orange-500); }
.lead { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.14rem); max-width: 720px; }
.kicker { color: var(--orange-500); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }

/* Buttons */
.actions { display: flex; gap: 13px; flex-wrap: wrap; }
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 23px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: .91rem;
  font-weight: 800;
  transition: transform .22s ease, background .22s ease, border-color .22s ease, color .22s ease, box-shadow .22s ease;
}
.btn-primary { background: var(--orange-500); color: var(--navy-950); }
.btn-primary:hover { transform: translateY(-2px); background: var(--orange-400); box-shadow: 0 14px 34px rgba(255,145,77,.16); }
.btn-secondary { background: rgba(255,255,255,.025); border-color: var(--line); color: var(--text); }
.btn-secondary:hover { transform: translateY(-2px); border-color: rgba(255,145,77,.42); color: var(--orange-400); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--orange-400); text-decoration: none; font-weight: 750; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

/* Home hero */
.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 138px 0 82px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero::after {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  right: -340px;
  top: 13%;
  border: 1px solid rgba(255,145,77,.09);
  border-radius: 50%;
  box-shadow: 0 0 0 120px rgba(255,255,255,.011), 0 0 0 240px rgba(255,255,255,.008);
  z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero-copy .display-title { margin-bottom: 26px; }
.hero-copy .lead { margin-bottom: 34px; }
.hero-visual { min-height: 550px; display: grid; place-items: center; position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  width: 74%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,145,77,.17), rgba(255,145,77,.035) 48%, transparent 72%);
  filter: blur(12px);
  animation: pulseGlow 6s ease-in-out infinite;
}
.hero-visual img { position: relative; width: min(560px, 100%);
   filter: drop-shadow(0 30px 52px rgba(0,0,0,.36));
    animation: float 7s ease-in-out infinite; }

/* Inner page hero */
.page-hero { padding: 158px 0 92px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-hero::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255,145,77,.10);
  border-radius: 50%;
  top: 66px;
  right: -120px;
  box-shadow: 0 0 0 80px rgba(255,255,255,.01), 0 0 0 160px rgba(255,255,255,.006);
}
.page-hero .page-title { margin-bottom: 22px; }
.page-hero .lead { margin-bottom: 30px; }

/* Trust / stats */
.trust-strip { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.015); }
.trust-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.trust-item { padding: 24px 28px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-size: .94rem; }
.trust-item span { display: block; color: var(--muted); font-size: .83rem; margin-top: 3px; }

/* Sections */
.section { padding: 104px 0; }
.section-tight { padding: 78px 0; }
.section-border { border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 38px; margin-bottom: 42px; }
.section-head .section-title { max-width: 700px; }
.section-head .lead { max-width: 470px; font-size: 1rem; }
.surface {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.card:hover { transform: translateY(-6px); border-color: rgba(255,145,77,.30); background: var(--panel-strong); }
.card-media { height: 225px; overflow: hidden; position: relative; background: var(--navy-950); }
.card-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(5,20,28,.72)); }
.card-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.86) contrast(1.02); transition: transform .55s ease, filter .4s ease; }
.card:hover .card-media img { transform: scale(1.04); filter: saturate(1); }
.card-body { padding: 26px; }
.card-body .kicker { margin-bottom: 8px; }
.card-body h3 { font-size: 1.3rem; line-height: 1.25; margin-bottom: 10px; }
.card-body p { color: var(--muted); font-size: .94rem; }
.card-body .text-link { margin-top: 18px; }

/* Feature rows */
.feature-row { display: grid; grid-template-columns: .88fr 1.12fr; gap: 54px; align-items: center; }
.feature-row.reverse { grid-template-columns: 1.12fr .88fr; }
.feature-row.reverse .feature-media { order: 2; }
.feature-media { min-height: 390px; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--navy-950); box-shadow: var(--shadow); }
.feature-media img { width: 100%; height: 100%; min-height: 390px; object-fit: cover; filter: saturate(.88) contrast(1.04); }
.feature-copy .section-title { margin-bottom: 18px; }
.feature-copy .lead { font-size: 1rem; margin-bottom: 24px; }
.clean-list { list-style: none; display: grid; gap: 12px; }
.clean-list li { color: #dce5e9; padding-left: 22px; position: relative; }
.clean-list li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--orange-500); position: absolute; left: 0; top: .72em; box-shadow: 0 0 0 5px rgba(255,145,77,.08); }

/* Data science page */
.ds-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.ds-card { padding: 30px; }
.ds-number { font-size: .76rem; color: var(--orange-500); font-weight: 850; letter-spacing: .14em; margin-bottom: 18px; }
.ds-card h3 { font-size: 1.35rem; margin-bottom: 10px; }
.ds-card p { color: var(--muted); }
.workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; counter-reset: steps; }
.workflow-step { min-height: 200px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.025); }
.workflow-step::before { counter-increment: steps; content: "0" counter(steps); display: block; color: var(--orange-500); font-size: .72rem; font-weight: 850; letter-spacing: .14em; margin-bottom: 28px; }
.workflow-step h3 { font-size: 1.07rem; margin-bottom: 9px; }
.workflow-step p { color: var(--muted); font-size: .9rem; }

/* About */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 58px; align-items: start; }
.year-mark { font-size: clamp(5rem,12vw,9rem); color: transparent; -webkit-text-stroke: 1px rgba(255,145,77,.32); line-height: .85; font-weight: 850; letter-spacing: -.06em; }
.about-copy .section-title { margin-bottom: 22px; }
.about-copy p { color: var(--muted); margin-bottom: 16px; }
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 36px; }
.value { padding: 22px; border-top: 1px solid rgba(255,145,77,.28); background: rgba(255,255,255,.018); }
.value h3 { font-size: 1rem; margin-bottom: 7px; }
.value p { font-size: .89rem; color: var(--muted); }

/* Portfolio */
.portfolio-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.portfolio-card { min-height: 320px; padding: 34px; display: flex; flex-direction: column; justify-content: end; position: relative; overflow: hidden; }
.portfolio-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(145deg, rgba(255,145,77,.055), transparent 52%); }
.portfolio-card > * { position: relative; }
.portfolio-card .kicker { margin-bottom: 8px; }
.portfolio-card h3 { font-size: 1.55rem; max-width: 420px; margin-bottom: 10px; }
.portfolio-card p { color: var(--muted); max-width: 510px; }
.portfolio-note { margin-top: 22px; color: var(--muted-2); font-size: .88rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 28px; align-items: stretch; }
.contact-main { padding: 44px; }
.contact-main .section-title { margin-bottom: 16px; }
.contact-main .lead { margin-bottom: 28px; }
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--orange-400);
  font-size: clamp(1.15rem,2vw,1.55rem);
  font-weight: 800;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-email:hover { color: var(--orange-500); }
.contact-aside { padding: 36px; display: flex; flex-direction: column; justify-content: space-between; }
.contact-aside h3 { font-size: 1.25rem; margin-bottom: 16px; }
.contact-aside p { color: var(--muted); }
.contact-meta { display: grid; gap: 16px; margin-top: 28px; }
.contact-meta div { padding-top: 16px; border-top: 1px solid var(--line); }
.contact-meta strong { display: block; font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--orange-500); margin-bottom: 4px; }
.contact-meta span { color: var(--muted); }

/* CTA */
.cta-section { padding: 0 0 104px; }
.cta {
  padding: 54px;
  border: 1px solid rgba(255,145,77,.22);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,145,77,.07), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}
.cta h2 { font-size: clamp(1.8rem,3.2vw,2.75rem); line-height: 1.14; letter-spacing: -.035em; max-width: 700px; }
.cta p { color: var(--muted); margin-top: 10px; max-width: 650px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: #061a23; padding: 46px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; }
.footer-brand img { height: 52px; width: auto; opacity: .93; }
.footer-brand p { margin-top: 12px; color: var(--muted-2); font-size: .84rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: end; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: .86rem; }
.footer-links a:hover { color: var(--orange-400); }
.footer-bottom { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: #6f8996; font-size: .8rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }
@keyframes pulseGlow { 0%,100% { opacity:.72; transform:scale(1); } 50% { opacity:1; transform:scale(1.05); } }

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

@media (max-width: 960px) {
  :root { --header-h: 74px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 20px;
    right: 20px;
    display: none;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(7,28,38,.98);
    box-shadow: var(--shadow);
  }
  .site-header.menu-open .site-nav { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav a { min-height: 46px; padding: 0 12px; }
  .site-nav a::after { display: none; }
  .nav-contact { border: 0; border-radius: 10px; color: var(--orange-400) !important; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: auto; margin-top: 10px; }
  .hero-visual img { width: min(460px, 88vw); margin-inline: auto; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-media { order: 0; }
  .workflow { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .year-mark { font-size: 7rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .container { width: min(100% - 28px, var(--max)); }
  .brand img { height: 48px; }
  .hero { min-height: auto; padding: 128px 0 70px; }
  .hero::after { display: none; }
  .hero-visual img { width: min(390px, 94vw); }
  .page-hero { padding: 132px 0 72px; }
  .section, .section-tight { padding: 76px 0; }
  .section-head { display: block; }
  .section-head .lead { margin-top: 16px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); padding-inline: 0; }
  .trust-item:last-child { border-bottom: 0; }
  .card-grid, .ds-grid, .portfolio-grid, .values-grid, .workflow { grid-template-columns: 1fr; }
  .feature-media, .feature-media img { min-height: 300px; }
  .cta { padding: 34px 26px; display: block; }
  .cta .actions { margin-top: 24px; }
  .contact-main, .contact-aside { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: start; }
  .footer-bottom { flex-direction: column; }
}