/* ==========================================================================
   Archangelus Systems — design system
   Palette + type derived from the brand logomark (green → cyan dot gradient)
   ========================================================================== */

:root{
  /* brand gradient (sampled from logo4-1.png) */
  --green: #00d364;
  --cyan: #1ec4df;
  --gradient: linear-gradient(135deg, var(--green) 0%, var(--cyan) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(0,211,100,.16) 0%, rgba(30,196,223,.16) 100%);

  /* dark base */
  --navy-950: #060910;
  --navy-900: #0b0f1f;
  --navy-800: #121a30;
  --navy-700: #1b2540;
  --navy-600: #29365a;
  --line-dark: rgba(255,255,255,.09);

  /* light sections */
  --paper: #f5f7fb;
  --paper-line: #e3e8f1;
  --ink: #0d1220;
  --ink-soft: #4b5468;

  /* text on dark */
  --text: #eef2f9;
  --text-muted: #9aa5bd;

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-lg: 0 30px 60px -20px rgba(3,8,20,.5);
  --shadow-md: 0 16px 32px -12px rgba(3,8,20,.35);
  --container: 1180px;

  --font-display: "Comfortaa", "Segoe UI", system-ui, sans-serif;
  --font-body: "Manrope", "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html,body{ margin:0; padding:0; }
body{
  font-family: var(--font-body);
  background: var(--navy-900);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 .5em;
  font-weight: 700;
}
p{ margin: 0 0 1em; }
.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
section{ position: relative; }
.section-pad{ padding: 96px 0; }
@media (max-width: 720px){ .section-pad{ padding: 64px 0; } }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-body); font-weight:700; font-size:.78rem;
  letter-spacing:.12em; text-transform:uppercase;
  color: transparent; background: var(--gradient); -webkit-background-clip:text; background-clip:text;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background: var(--gradient); flex-shrink:0;
}

.h1{ font-size: clamp(2.2rem, 4.4vw, 3.6rem); }
.h2{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.h3{ font-size: clamp(1.25rem, 2vw, 1.5rem); }
.lede{ font-size: 1.15rem; color: var(--text-muted); max-width: 62ch; }
.on-light .lede{ color: var(--ink-soft); }

.gradient-text{
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 14px 26px; border-radius: 999px; font-weight:700; font-size: .98rem;
  border: 1px solid transparent; cursor:pointer; transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  font-family: var(--font-body);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--gradient); color: #06210f; box-shadow: 0 14px 30px -10px rgba(0,211,150,.45); }
.btn-primary:hover{ box-shadow: 0 18px 38px -10px rgba(0,211,150,.6); }
.btn-ghost{ background: rgba(255,255,255,.05); color: var(--text); border-color: rgba(255,255,255,.18); }
.btn-ghost:hover{ background: rgba(255,255,255,.1); }
.on-light .btn-ghost{ background: #fff; color: var(--ink); border-color: var(--paper-line); }
.on-light .btn-ghost:hover{ background: var(--paper); }
.btn-block{ width:100%; }

/* dot-matrix motif, echoes the logomark */
.dotfield{ position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:0; }
.dotfield svg{ position:absolute; opacity:.5; }

/* ===================== header ===================== */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(11,15,31,.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 78px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height: 28px; width:auto; }

.nav{ display:flex; align-items:center; gap:6px; }
.nav > li{ position:relative; }
.nav a.nav-link, .nav button.nav-link{
  display:flex; align-items:center; gap:6px;
  padding: 10px 16px; border-radius: 999px; font-weight:600; font-size:.92rem;
  color: var(--text-muted); background:none; border:none; cursor:pointer; font-family: var(--font-body);
}
.nav a.nav-link:hover, .nav button.nav-link:hover, .nav .has-dropdown:hover > .nav-link, .nav a.nav-link.active{
  color: var(--text); background: rgba(255,255,255,.06);
}
.nav .caret{ width:9px; height:9px; border-right:2px solid currentColor; border-bottom:2px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .15s ease; }
.has-dropdown:hover .caret{ transform: rotate(225deg) translateY(1px); }

.dropdown{
  position:absolute; top: calc(100% + 8px); left:50%; transform:translateX(-50%);
  width: 300px; background: var(--navy-800); border:1px solid var(--line-dark);
  border-radius: var(--radius-md); padding:8px; box-shadow: var(--shadow-lg);
  opacity:0; visibility:hidden; translate: 0 8px; transition: all .16s ease;
}
.has-dropdown:hover .dropdown{ opacity:1; visibility:visible; translate:0 0; }
.dropdown a{
  display:flex; gap:12px; align-items:flex-start; padding:10px 12px; border-radius:10px;
}
.dropdown a:hover{ background: rgba(255,255,255,.06); }
.dropdown .dot{ width:9px;height:9px;border-radius:50%; background:var(--gradient); margin-top:6px; flex-shrink:0; }
.dropdown strong{ display:block; font-size:.88rem; }
.dropdown span{ font-size:.78rem; color:var(--text-muted); }

.header-cta{ display:flex; align-items:center; gap:10px; }
.nav-toggle{
  display:none; background:none; border:1px solid var(--line-dark); border-radius:10px;
  width:44px; height:44px; color:var(--text); cursor:pointer; align-items:center; justify-content:center;
}

@media (max-width: 980px){
  .nav-desktop{ display:none; }
  .header-cta .btn-primary{ display:none; }
  .nav-toggle{ display:flex; }
}

.mobile-nav{
  display:none; position:fixed; inset: 78px 0 0 0; z-index:99; background: var(--navy-900);
  overflow-y:auto; padding: 12px 20px 40px;
}
.mobile-nav.open{ display:block; }
.mobile-nav a{ display:block; padding: 16px 4px; font-size:1.1rem; font-weight:700; border-bottom:1px solid var(--line-dark); }
.mobile-nav .sub{ padding-left:16px; }
.mobile-nav .sub a{ font-size:.95rem; font-weight:600; color: var(--text-muted); border-bottom:none; padding:10px 4px; }
.mobile-nav .btn{ margin-top:20px; }

/* ===================== hero ===================== */
.hero{
  padding: 84px 0 96px;
  background:
    radial-gradient(70% 60% at 82% -10%, rgba(30,196,223,.22), transparent),
    radial-gradient(50% 50% at 0% 100%, rgba(0,211,100,.14), transparent),
    var(--navy-900);
  overflow:hidden;
}
.hero .container{ display:grid; grid-template-columns: 1.1fr .9fr; gap:56px; align-items:center; position:relative; z-index:1; }
@media (max-width: 900px){ .hero .container{ grid-template-columns: 1fr; } }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 30px; }
.hero-stats{ display:flex; gap:32px; margin-top:44px; flex-wrap:wrap; }
.hero-stats .stat b{ display:block; font-family: var(--font-display); font-size:1.8rem; }
.hero-stats .stat span{ font-size:.82rem; color:var(--text-muted); }

.hero-visual{ position:relative; display:flex; align-items:center; justify-content:center; }
.hero-visual .ring{
  width: min(420px, 90%); aspect-ratio:1; border-radius:50%;
  border: 1px dashed rgba(255,255,255,.14); display:flex; align-items:center; justify-content:center;
  animation: spin 40s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.hero-visual .core{
  width:62%; aspect-ratio:1; border-radius:50%;
  background: var(--navy-800); border:1px solid var(--line-dark);
  display:flex; align-items:center; justify-content:center; box-shadow: var(--shadow-lg);
}
.hero-visual .core img{ width:58%; animation: float 5s ease-in-out infinite; }
@keyframes float{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-10px);} }
.hero-visual .chip{
  position:absolute; display:flex; align-items:center; gap:8px;
  background: var(--navy-800); border:1px solid var(--line-dark); border-radius:999px;
  padding:8px 14px; font-size:.78rem; font-weight:700; box-shadow: var(--shadow-md);
}
.hero-visual .chip .dot{ width:8px;height:8px;border-radius:50%; background:var(--gradient); }

/* ===================== cards ===================== */
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap:26px; }
.grid-2{ display:grid; grid-template-columns: repeat(2,1fr); gap:26px; }
@media (max-width: 900px){ .grid-3, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--navy-800); border:1px solid var(--line-dark); border-radius: var(--radius-lg);
  padding: 30px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover{ transform: translateY(-4px); border-color: rgba(30,196,223,.4); box-shadow: var(--shadow-md); }
.on-light .card{ background:#fff; border-color: var(--paper-line); }

.icon-tile{
  width:52px; height:52px; border-radius:14px; background: var(--gradient-soft);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
  border: 1px solid rgba(30,196,223,.25);
}
.icon-tile svg{ width:26px; height:26px; }

.system-card .tag{
  display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  color: var(--cyan); background: rgba(30,196,223,.12); padding:4px 10px; border-radius:999px; margin-bottom:14px;
}
.system-card h3{ margin-bottom:10px; }
.system-card p{ color:var(--text-muted); font-size:.95rem; }
.system-card .link-arrow{ display:inline-flex; align-items:center; gap:8px; font-weight:700; margin-top:14px; color:var(--text); }
.system-card:hover .link-arrow{ color: var(--cyan); }
.link-arrow svg{ width:16px; height:16px; transition: transform .2s ease; }
.system-card:hover .link-arrow svg{ transform: translateX(4px); }

/* section variants */
.on-light{ background: var(--paper); color: var(--ink); }
.on-light .text-muted{ color: var(--ink-soft); }
.on-dark{ background: var(--navy-900); }
.panel{ background: var(--navy-800); }
.text-muted{ color: var(--text-muted); }

.section-head{ max-width: 680px; margin-bottom: 48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* steps */
.steps{ display:grid; grid-template-columns: repeat(4,1fr); gap:20px; counter-reset: step; }
@media (max-width: 900px){ .steps{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .steps{ grid-template-columns: 1fr; } }
.step{ position:relative; padding: 26px 22px; border-radius: var(--radius-md); background: var(--navy-800); border:1px solid var(--line-dark); color: var(--text); }
.on-light .step{ background:#fff; border-color: var(--paper-line); }
.on-light .step .time{ color: var(--ink-soft); }
.step .num{
  font-family: var(--font-display); font-weight:700; font-size:1.6rem;
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:10px; display:block;
}
.step .time{ font-size:.75rem; color:var(--text-muted); font-weight:700; letter-spacing:.05em; }

/* feature list */
.checklist li{ display:flex; gap:12px; align-items:flex-start; padding:10px 0; border-bottom:1px solid var(--line-dark); }
.on-light .checklist li{ border-color: var(--paper-line); }
.checklist li:last-child{ border-bottom:none; }
.checklist .tick{ width:22px; height:22px; border-radius:50%; background:var(--gradient-soft); border:1px solid rgba(30,196,223,.3); flex-shrink:0; display:flex; align-items:center; justify-content:center; margin-top:2px; }
.checklist .tick svg{ width:12px; height:12px; }

/* stats bar */
.stats-bar{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
@media (max-width: 760px){ .stats-bar{ grid-template-columns: 1fr; } }
.stats-bar .stat{ text-align:center; padding: 34px 20px; border-radius: var(--radius-lg); background: var(--navy-800); border:1px solid var(--line-dark); color: var(--text); }
.on-light .stats-bar .stat{ background:#fff; border-color: var(--paper-line); }
.on-light .stats-bar .stat span{ color: var(--ink-soft); }
.stats-bar .stat b{ font-family: var(--font-display); font-size: 2.4rem; display:block; }
.stats-bar .stat span{ color: var(--text-muted); font-size:.92rem; }

/* specs table */
.specs{ width:100%; border-collapse: collapse; }
.specs tr{ border-bottom:1px solid var(--line-dark); }
.on-light .specs tr{ border-color: var(--paper-line); }
.specs tr:last-child{ border-bottom:none; }
.specs th, .specs td{ text-align:left; padding: 16px 10px; font-size:.95rem; }
.specs th{ color: var(--text-muted); font-weight:600; width:38%; }

/* values / team */
.value-card{ text-align:center; padding: 30px 20px; }
.team-card{ display:flex; gap:16px; align-items:center; }
.team-card .avatar{
  width:60px; height:60px; border-radius:50%; background: var(--gradient);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:700; color:#06210f; flex-shrink:0; font-size:1.1rem;
}
.team-card strong{ display:block; }
.team-card span{ color:var(--text-muted); font-size:.85rem; }

/* timeline (about/history) */
.timeline{ border-left: 2px solid var(--line-dark); padding-left: 28px; display:flex; flex-direction:column; gap:34px; }
.timeline .item{ position:relative; }
.timeline .item::before{
  content:""; position:absolute; left:-34px; top:4px; width:12px; height:12px; border-radius:50%; background: var(--gradient);
  box-shadow: 0 0 0 4px var(--navy-900);
}
.timeline .year{ font-family: var(--font-display); font-weight:700; color: var(--cyan); font-size:.95rem; }

/* CTA band */
.cta-band{
  border-radius: var(--radius-lg); padding: 56px; text-align:center;
  background: linear-gradient(135deg, rgba(0,211,100,.14), rgba(30,196,223,.14)), var(--navy-800);
  border: 1px solid rgba(30,196,223,.25);
}
.cta-band .btn-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top: 24px; }

/* contact / forms */
/* the info + form cards are always the dark theme internally, regardless of
   whether the section wrapping them is .on-light or .on-dark */
.contact-wrap{ display:grid; grid-template-columns: .85fr 1.15fr; gap:44px; align-items:start; color: var(--text); }
.on-light .contact-wrap .text-muted{ color: var(--text-muted); }
@media (max-width: 900px){ .contact-wrap{ grid-template-columns: 1fr; } }
.contact-info-card{ background: var(--navy-800); border:1px solid var(--line-dark); border-radius: var(--radius-lg); padding: 32px; }
.contact-info-card .row{ display:flex; gap:14px; padding: 16px 0; border-bottom:1px solid var(--line-dark); }
.contact-info-card .row:last-child{ border-bottom:none; }
.contact-info-card .row svg{ width:20px; height:20px; flex-shrink:0; margin-top:2px; color: var(--cyan); }
.contact-info-card strong{ display:block; font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; color:var(--text-muted); margin-bottom:2px; }
.social-row{ display:flex; gap:10px; margin-top:22px; }
.social-row a{ width:40px; height:40px; border-radius:50%; background: rgba(255,255,255,.06); border:1px solid var(--line-dark); display:flex; align-items:center; justify-content:center; }
.social-row a:hover{ background: var(--gradient); color:#06210f; }
.social-row svg{ width:18px; height:18px; }

.form-card{ background: var(--navy-800); border:1px solid var(--line-dark); border-radius: var(--radius-lg); padding: 36px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
@media (max-width: 560px){ .form-row{ grid-template-columns: 1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.85rem; font-weight:700; margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; padding: 13px 16px; border-radius: var(--radius-sm); border:1px solid var(--line-dark);
  background: var(--navy-900); color: var(--text); font-family: var(--font-body); font-size:.96rem;
}
.field input:focus, .field textarea:focus, .field select:focus{ outline:none; border-color: var(--cyan); }
.field textarea{ min-height: 130px; resize: vertical; }
.consent{ display:flex; gap:10px; align-items:flex-start; font-size:.85rem; color: var(--text-muted); }
.consent input{ margin-top:3px; width:auto; }
.hp-field{ position:absolute; left:-9999px; opacity:0; height:0; }
.form-msg{ padding: 14px 16px; border-radius: var(--radius-sm); font-size:.9rem; margin-bottom:18px; display:none; }
.form-msg.show{ display:block; }
.form-msg.ok{ background: rgba(0,211,100,.14); border:1px solid rgba(0,211,100,.4); }
.form-msg.err{ background: rgba(255,90,90,.12); border:1px solid rgba(255,90,90,.4); }

/* footer */
.site-footer{ background: var(--navy-950); border-top:1px solid var(--line-dark); padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:36px; }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h4{ font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-muted); margin-bottom:16px; }
.footer-grid li{ margin-bottom:10px; }
.footer-grid a:hover{ color: var(--cyan); }
.footer-bottom{
  margin-top: 48px; padding-top: 24px; border-top:1px solid var(--line-dark);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-size:.82rem; color: var(--text-muted);
}
.footer-bottom ul{ display:flex; gap:18px; flex-wrap:wrap; }

/* misc */
.badge-row{ display:flex; flex-wrap:wrap; gap:10px; }
.badge{ font-size:.78rem; font-weight:700; padding:7px 13px; border-radius:999px; background: rgba(255,255,255,.06); border:1px solid var(--line-dark); }
.on-light .badge{ background:#fff; border-color: var(--paper-line); }

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

.legal-content h2{ margin-top: 2em; }
.legal-content h3{ margin-top:1.4em; }
.legal-content p, .legal-content li{ color: var(--ink-soft); }
.legal-content ul{ list-style: disc; padding-left: 22px; margin-bottom: 1em; }
.legal-content{ max-width: 760px; }

.breadcrumb{ font-size:.85rem; color: var(--text-muted); margin-bottom: 18px; }
.breadcrumb a:hover{ color: var(--cyan); }

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--cyan); color:#06210f; padding:10px 16px; z-index:200; border-radius:0 0 10px 0; font-weight:700;
}
.skip-link:focus{ left:0; }