:root {
  --navy: #0b1530;
  --navy-2: #12204a;
  --blue: #2563eb;
  --cyan: #06b6d4;
  --ink: #0f172a;
  --muted: #5b6478;
  --line: #e4e8f1;
  --bg: #ffffff;
  --bg-alt: #f5f7fc;
  --grad: linear-gradient(135deg, var(--blue), var(--cyan));
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

.container { width: min(1180px, 100% - 32px); margin-inline: auto; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .8rem;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  font-weight: 700; font-size: .95rem;
  color: #fff; background: var(--grad);
  border: 0; cursor: pointer;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .3);
  transition: transform .2s, box-shadow .2s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(37, 99, 235, .4); }
.btn-sm { padding: .55rem 1.1rem; font-size: .9rem; }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.35); box-shadow: none; }
.btn-ghost:hover { background: rgba(255,255,255,.08); box-shadow: none; }
.btn-light { background: #fff; color: var(--navy); box-shadow: none; }
.btn-ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); box-shadow: none; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 21, 48, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; color: #fff; font-size: 1rem; letter-spacing: .06em; }
.brand strong { font-weight: 800; }
.brand span { font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a:not(.btn) { color: rgba(255,255,255,.8); font-weight: 600; font-size: .95rem; }
.nav-links a:not(.btn):hover { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: .25s; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(6,182,212,.25), transparent 60%),
              radial-gradient(900px 500px at -10% 110%, rgba(37,99,235,.35), transparent 60%),
              var(--navy);
  color: #fff;
  padding: clamp(4rem, 9vw, 7.5rem) 0;
  margin-top: -72px; padding-top: calc(clamp(4rem, 9vw, 7.5rem) + 72px);
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero .eyebrow { color: var(--cyan); }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 800; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.15rem; color: rgba(255,255,255,.78); max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: 1.4rem; list-style: none; padding: 0; margin: 2rem 0 0; color: rgba(255,255,255,.75); font-size: .92rem; }
.hero-points li::before { content: "✓"; color: var(--cyan); font-weight: 800; margin-right: .45rem; }

.hero-visual { display: grid; place-items: center; }
.orbit {
  position: relative; width: min(380px, 80vw); aspect-ratio: 1;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,.2);
}
.orbit::before {
  content: ""; position: absolute; inset: 18%;
  border-radius: 50%; border: 1px solid rgba(6,182,212,.35);
}
.core {
  position: absolute; inset: 34%;
  border-radius: 28px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.06);
  box-shadow: 0 0 80px rgba(6,182,212,.45);
  animation: pulse 4s ease-in-out infinite;
}
.chip {
  position: absolute;
  padding: .5rem .9rem; border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
  font-size: .82rem; font-weight: 600; white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}
.c1 { top: 4%; left: 50%; transform: translateX(-50%); }
.c2 { top: 46%; right: -14%; animation-delay: -1.5s; }
.c3 { bottom: 4%; left: 50%; transform: translateX(-50%); animation-delay: -3s; }
.c4 { top: 46%; left: -10%; animation-delay: -4.5s; }
@keyframes float { 50% { margin-top: -8px; } }
@keyframes pulse { 50% { box-shadow: 0 0 110px rgba(6,182,212,.65); } }

/* Sections */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-head p:last-child { color: var(--muted); }

.about { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: start; }
.about p { color: var(--muted); font-size: 1.05rem; }
.about strong { color: var(--ink); }

/* Services */
.services { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.12));
  margin-bottom: 1.1rem;
}
.icon svg { width: 26px; height: 26px; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon.sm { width: 44px; height: 44px; margin: 0; flex-shrink: 0; }
.icon.sm svg { width: 22px; height: 22px; }

/* Why */
.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.why-item { padding: 1.6rem; border-radius: var(--radius); border: 1px solid var(--line); }
.why-item p { color: var(--muted); font-size: .95rem; margin: 0; }
.num { display: block; font-size: 2rem; font-weight: 800; margin-bottom: .6rem; }
.num { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* CTA */
.cta { background: var(--grad); color: #fff; padding: 4rem 0; text-align: center; }
.cta p { color: rgba(255,255,255,.9); font-size: 1.1rem; }
.cta .hero-actions { justify-content: center; }

/* Contact */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: start; }
.contact-info > p { color: var(--muted); }
.contact-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.3rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-list span { display: block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.contact-list a { color: var(--ink); font-weight: 600; }
.contact-list a:hover { color: var(--blue); }

.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  box-shadow: var(--shadow);
  display: grid; gap: 1rem;
}
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form label { display: grid; gap: .4rem; font-size: .88rem; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; font: inherit; font-weight: 400; font-size: .95rem;
  padding: .75rem .9rem; border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--bg-alt); color: var(--ink);
  transition: border-color .2s, background .2s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--blue); background: #fff;
}
.contact-form .invalid { border-color: #dc2626; }
.form-note { margin: 0; font-size: .9rem; color: var(--muted); min-height: 1.2em; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,.7); padding: 4rem 0 0; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.site-footer .brand { margin-bottom: 1rem; }
.site-footer h4 { color: #fff; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: #fff; }
.legal { border-top: 1px solid rgba(255,255,255,.1); padding: 1.4rem 0; font-size: .82rem; color: rgba(255,255,255,.5); }
.legal p { margin: 0; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .about, .contact { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .why { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy); padding: .5rem 16px 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: .9rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-links .btn { margin-top: 1rem; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .brand { font-size: .9rem; }
}
@media (max-width: 560px) {
  .why, .footer-grid, .contact-form .row { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Logo */
.brand .logo { height: 58px; width: auto; }
.site-footer .logo-footer { height: 92px; width: auto; }
.core img { width: 96px; height: 96px; border-radius: 22px; }
@media (max-width: 760px) { .brand .logo { height: 50px; } }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }