/* Cyberpoint — site styles. No external fonts, icons or scripts. */

:root {
  --bg: #0b1120;
  --bg-alt: #0f172a;
  --surface: #131c31;
  --surface-2: #18233b;
  --border: #23314f;
  --text: #e6ebf5;
  --text-muted: #9aa8c2;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-ink: #04121f;
  --radius: 12px;
  --max: 1160px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 650; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* Header */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 17, 32, .88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: .14em; font-size: .95rem; }
.brand:hover { text-decoration: none; }
.brand svg { width: 28px; height: 28px; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text-muted); font-size: .95rem; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.btn-primary, .nav a.btn-primary:hover { color: var(--accent-ink); }

.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; padding: 8px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); }
.menu summary::-webkit-details-marker { display: none; }
.menu summary svg { width: 22px; height: 22px; }
.menu-panel {
  position: absolute; right: 0; top: calc(100% + 10px); min-width: 220px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px; display: flex; flex-direction: column;
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
}
.menu-panel a { color: var(--text); padding: 10px 12px; border-radius: 8px; }
.menu-panel a:hover { background: var(--surface-2); text-decoration: none; }

@media (max-width: 860px) {
  .nav { display: none; }
  .menu { display: block; }
}

/* Buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: .98rem;
  border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #7dd3fc; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }

/* Hero */

.hero {
  position: relative; overflow: hidden;
  padding: 110px 0 90px;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(56, 189, 248, .16), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(14, 165, 233, .10), transparent 60%),
    var(--bg);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
}
.hero .container { position: relative; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.hero h1 { max-width: 820px; }
.hero .lead { font-size: 1.2rem; color: var(--text-muted); max-width: 700px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }


/* Sections */

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head p { color: var(--text-muted); font-size: 1.08rem; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column;
}
.card p { color: var(--text-muted); font-size: .98rem; }
.card ul { margin: auto 0 0; padding: 14px 0 0; list-style: none; border-top: 1px solid var(--border); }
.card li { font-size: .9rem; color: var(--text); padding: 3px 0 3px 18px; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: .75em; width: 7px; height: 7px; border-radius: 2px; background: var(--accent); }

.icon {
  width: 44px; height: 44px; border-radius: 10px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, .1); color: var(--accent); border: 1px solid rgba(56, 189, 248, .25);
}
.icon svg { width: 22px; height: 22px; }

/* Engagement models */

.model { position: relative; }
.model .tag { font-family: var(--mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.model.featured { border-color: rgba(56, 189, 248, .55); box-shadow: 0 0 0 1px rgba(56, 189, 248, .2) inset; }
.note { margin-top: 28px; color: var(--text-muted); font-size: .98rem; }

/* Approach steps */

.steps { counter-reset: step; }
.step { padding: 24px; border-left: 2px solid var(--border); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-family: var(--mono); color: var(--accent); font-size: .9rem; margin-bottom: 10px;
}
.step p { color: var(--text-muted); font-size: .96rem; margin: 0; }

/* About */

.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; gap: 32px; } }
.about p { color: var(--text-muted); }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 0; }
.fact { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.fact dt { font-size: 1.9rem; font-weight: 700; color: var(--text); line-height: 1.1; }
.fact dd { margin: 6px 0 0; color: var(--text-muted); font-size: .9rem; }

.principles { list-style: none; padding: 0; margin: 24px 0 0; }
.principles li { padding: 10px 0 10px 30px; position: relative; border-top: 1px solid var(--border); color: var(--text); }
.principles li::before {
  content: ""; position: absolute; left: 4px; top: 18px; width: 12px; height: 7px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}

/* CTA */

.cta {
  background:
    radial-gradient(600px 300px at 100% 0, rgba(56, 189, 248, .18), transparent 70%),
    var(--surface);
  border: 1px solid var(--border); border-radius: 18px; padding: 56px;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
}
@media (max-width: 860px) { .cta { grid-template-columns: 1fr; padding: 32px 24px; } }
.cta p { color: var(--text-muted); }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 12px; align-items: center; color: var(--text); }
.contact-list svg { width: 20px; height: 20px; color: var(--accent); flex: none; }

/* Footer */

.site-footer { border-top: 1px solid var(--border); padding: 36px 0; color: var(--text-muted); font-size: .9rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--text); }

/* Legal / text pages */

.page { padding: 72px 0 96px; }
.prose { max-width: 760px; }
.prose h2 { font-size: 1.35rem; margin-top: 2.2em; }
.prose p, .prose li { color: var(--text-muted); }
.prose address { font-style: normal; color: var(--text); margin-bottom: 1em; }
.todo { background: rgba(250, 204, 21, .12); color: #fde68a; padding: 1px 6px; border-radius: 4px; font-family: var(--mono); font-size: .9em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Contact form */

.form { display: grid; gap: 20px; margin: 32px 0 24px; max-width: 640px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; color: var(--text); font-size: .95rem; }
.field .opt { font-weight: 400; color: var(--text-muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(56, 189, 248, .25); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { color: var(--text-muted); font-size: .92rem; }
.form-errors { background: rgba(248, 113, 113, .1); border: 1px solid rgba(248, 113, 113, .4); border-radius: 10px; padding: 12px 18px; margin: 24px 0 0; max-width: 640px; }
.form-errors ul { margin: 0; padding-left: 18px; }
.form-errors li { color: #fecaca; }
.form .btn { justify-self: start; }