/* Young Technology — "Orbit Night" theme */
:root {
  --navy-950: #010f22;
  --navy-900: #011e3c;
  --navy-800: #062a52;
  --blue: #1a8cff;
  --cyan: #2fd3ff;
  --orange: #ff8a1f;
  --silver: #d6dde6;
  --text: #e8eef6;
  --muted: #a9bbd0;
  --line: rgba(160, 190, 225, 0.16);
  --card: rgba(12, 46, 88, 0.55);
  --radius: 16px;
  --display: "Exo 2", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--navy-900);
  color: var(--text);
  font: 400 1rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); }
a:hover { color: #8be6ff; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; letter-spacing: -0.01em; color: #fff; }
h1 { font-size: clamp(2.3rem, 5.4vw, 3.75rem); font-weight: 800; line-height: 1.05; margin-bottom: 22px; }
h3 { font-size: 1.375rem; font-weight: 700; margin-bottom: 10px; }
p { margin: 0; }
[hidden] { display: none !important; }

.wrap { width: min(1160px, 100% - 48px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--orange); color: #1a0d00; padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }

.eyebrow {
  font: 600 .8rem/1 var(--display);
  text-transform: uppercase; letter-spacing: .22em;
  color: var(--orange); margin-bottom: 16px;
}
.section-title { font-size: clamp(1.9rem, 3.4vw, 2.5rem); font-weight: 700; margin-bottom: 44px; max-width: 680px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 700 1rem/1 var(--display); letter-spacing: .01em;
  padding: 16px 28px; border-radius: 999px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--orange); color: #1a0d00; box-shadow: 0 8px 24px -10px rgba(255, 138, 31, .7); }
.btn-primary:hover { color: #1a0d00; box-shadow: 0 12px 30px -10px rgba(255, 138, 31, .9); }
.btn-ghost { border-color: rgba(47, 211, 255, .5); color: var(--text); font-weight: 600; }
.btn-ghost:hover { color: #fff; background: rgba(26, 140, 255, .15); }
.btn-sm { padding: 11px 20px; font-size: .95rem; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(1, 15, 34, .9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { width: 200px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a:not(.btn) { color: var(--silver); font-weight: 500; font-size: .95rem; text-decoration: none; }
.nav-links a:not(.btn):hover { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 12px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .2s; }

/* Hero */
.hero { background: radial-gradient(ellipse 55% 70% at 82% 45%, rgba(26, 140, 255, .24), transparent 70%), var(--navy-950); padding: clamp(64px, 9vw, 104px) 0; }
.hero-grid { display: flex; flex-wrap: wrap; align-items: center; gap: 48px; }
.hero-copy { flex: 999 1 520px; min-width: 0; }
.lede { font-size: 1.19rem; color: var(--muted); max-width: 560px; margin-bottom: 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-art { flex: 1 1 260px; position: relative; display: grid; place-items: center; }
.hero-art img { position: relative; width: min(300px, 70vw); animation: float 6s ease-in-out infinite; filter: drop-shadow(0 20px 40px rgba(0, 0, 0, .45)); }
.badge-glow { position: absolute; width: 340px; height: 340px; max-width: 90vw; max-height: 90vw; border-radius: 50%; background: radial-gradient(circle, rgba(47, 211, 255, .28), transparent 65%); }
@keyframes float { 50% { transform: translateY(-12px); } }

/* Strip */
.strip { background: var(--navy-800); border-block: 1px solid var(--line); }
.strip-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; padding-block: 26px; text-align: center; }
.strip-grid strong { display: block; font: 700 1.25rem/1.3 var(--display); color: #fff; }
.strip-grid span { font-size: .9rem; color: var(--muted); }

/* Sections */
.section { padding: clamp(72px, 9vw, 96px) 0; }
.section-dark { background: var(--navy-950); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: rgba(47, 211, 255, .45); transform: translateY(-3px); }
.card > p { color: var(--muted); margin-bottom: 18px; }
.card ul { margin: 0; padding-left: 18px; color: var(--silver); font-size: .95rem; }
.icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; }
.icon svg { width: 26px; height: 26px; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.i-blue { background: var(--blue); } .i-blue svg { stroke: #fff; }
.i-silver { background: var(--silver); } .i-silver svg { stroke: var(--navy-900); }
.i-orange { background: var(--orange); } .i-orange svg { stroke: #1a0d00; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.steps li { border-top: 2px solid var(--c); padding-top: 20px; }
.steps p { color: var(--muted); }
.steps h3 { font-size: 1.25rem; margin: 6px 0 8px; }
.step-num { display: block; font: 800 2.25rem/1.2 var(--display); color: var(--c); }
.step-blue { --c: var(--cyan); } .step-silver { --c: var(--silver); } .step-orange { --c: var(--orange); }

/* About */
.about { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.about > div { flex: 999 1 480px; min-width: 0; }
.about .section-title { margin-bottom: 18px; }
.about-text { font-size: 1.06rem; color: var(--muted); }
.values { flex: 1 1 300px; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.values li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; color: var(--muted); }
.values strong { color: #fff; }

/* Contact */
.contact { background: radial-gradient(ellipse 60% 90% at 10% 100%, rgba(26, 140, 255, .22), transparent 70%), var(--navy-950); }
.contact-grid { display: flex; flex-wrap: wrap; gap: 48px; }
.contact-grid > div { flex: 1 1 340px; }
.contact-grid .section-title { margin-bottom: 14px; }
.contact-lede { color: var(--muted); font-size: 1.06rem; }
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; }
.contact-list li { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 12px 0; border-top: 1px solid var(--line); color: var(--silver); }
.contact-list span { width: 96px; color: var(--muted); font-size: .9rem; }
.form { flex: 999 1 460px; min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 14px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.form label { display: grid; gap: 6px; font-size: .88rem; font-weight: 500; color: var(--silver); }
.opt { color: var(--muted); font-weight: 400; }
.form input, .form select, .form textarea { font: inherit; font-size: 1rem; color: #fff; background: var(--navy-950); border: 1px solid rgba(160, 190, 225, .3); border-radius: 10px; padding: 12px 14px; width: 100%; }
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(47, 211, 255, .2); }
.form .btn { justify-self: start; }
.form-note { font-size: .95rem; min-height: 1.5em; color: var(--muted); }
.form-note.ok { color: #7ee2a8; }
.form-note.error { color: #ffb4a6; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--navy-950); }
.footer-grid { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 30px; font-size: .9rem; color: var(--muted); }
.footer-grid img { width: 150px; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* Phone & tablet menu */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy-950); border-bottom: 1px solid var(--line); padding: 8px 24px 22px; display: none; }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 16px; }
  .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); }
  .hero-art { order: -1; }
  .hero-art img { width: 170px; }
  .badge-glow { width: 220px; height: 220px; }
}
@media (max-width: 480px) {
  .wrap { width: calc(100% - 32px); }
  .brand img { width: 165px; }
  .card, .form { padding: 22px; }
  .cards { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-art img { animation: none; }
  .card, .btn { transition: none; }
}