/* -------------------------------------------------------------
   OrionaCore Embedded AI — business card site
   Compact, proportionate dark theme (AMD-inspired layout)
------------------------------------------------------------- */

:root {
  --bg: #0a0e17;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #eef1f7;
  --muted: #9aa4b8;
  --accent-a: #5eead4;
  --accent-b: #818cf8;
  --accent-c: #c084fc;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1160px;
  --header-h: 60px;
  --transition: 200ms cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent-b);
  color: #0a0e17;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header (compact, AMD-style) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 14, 23, 0.9);
  border-bottom: 1px solid var(--panel-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  color: #0a0e17;
  font-size: 0.8rem;
  font-weight: 700;
}
.brand-name { font-weight: 700; font-size: 0.88rem; letter-spacing: -0.01em; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}
.primary-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  opacity: 0.8;
  transition: opacity var(--transition);
  white-space: nowrap;
}
.primary-nav a:hover { opacity: 1; }
.primary-nav .btn { opacity: 1; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  padding: 6px 4px;
}
.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  opacity: 1 !important;
  padding: 2px 4px;
}
.lang-switch a.is-active { color: var(--accent-a); }
.lang-sep { color: var(--panel-border); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--panel-border);
  border-radius: 7px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 15px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  color: #0a0e17;
  box-shadow: 0 6px 18px -8px rgba(129, 140, 248, 0.6);
}
.btn-primary:hover { box-shadow: 0 8px 22px -6px rgba(129, 140, 248, 0.75); }
.btn-ghost {
  background: var(--panel);
  color: var(--text);
  border-color: var(--panel-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-small { padding: 8px 16px; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* ---------- Hero (compact, proportionate) ---------- */
.hero {
  position: relative;
  padding: 56px 0 48px;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(480px circle at 15% 0%, rgba(94, 234, 212, 0.14), transparent 60%),
    radial-gradient(420px circle at 85% 10%, rgba(129, 140, 248, 0.16), transparent 60%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0 0 18px;
  animation: fadeUp 600ms ease both;
}
.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-a);
  box-shadow: 0 0 0 0 rgba(94,234,212,0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(94,234,212,0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(94,234,212,0); }
  100% { box-shadow: 0 0 0 0 rgba(94,234,212,0); }
}

.hero-title {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 16px;
  animation: fadeUp 650ms 60ms ease both;
}
.text-gradient {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b) 55%, var(--accent-c));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  max-width: 560px;
  color: var(--muted);
  font-size: 0.98rem;
  margin: 0 0 28px;
  animation: fadeUp 650ms 120ms ease both;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: fadeUp 650ms 180ms ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Sections ---------- */
.section { padding: 48px 0; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--accent-a);
  font-weight: 700;
  margin: 0 0 8px;
}

[data-animate] { opacity: 0; transform: translateY(20px); transition: opacity 600ms ease, transform 600ms ease; }
[data-animate].in-view { opacity: 1; transform: translateY(0); }

/* ---------- Service tag strip ---------- */
.hub-tags {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.hub-tag {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  text-align: left;
}
.hub-tag strong { display: block; margin-bottom: 4px; font-size: 0.92rem; }
.hub-tag span { color: var(--muted); font-size: 0.82rem; }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: transform var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(129,140,248,0.4);
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  color: #0a0e17;
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.88rem; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}
.about-grid h2 { font-size: 1.5rem; margin: 0 0 14px; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.stat-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.stat-list li {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
}
.stat-list strong { display: block; font-size: 0.9rem; }
.stat-list span { color: var(--muted); font-size: 0.82rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr minmax(0, 360px);
  gap: 32px;
  align-items: start;
}
.contact-info h2 { font-size: 1.4rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.contact-email {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent-a);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.contact-email:hover { border-color: var(--accent-a); }

.contact-form {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 18px;
  display: grid;
  gap: 12px;
}
.field { display: grid; gap: 5px; }
.field label { font-size: 0.76rem; color: var(--muted); }
.field input,
.field textarea {
  width: 100%;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-family: inherit;
  font-size: 0.86rem;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { min-height: 72px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-b);
  box-shadow: 0 0 0 3px rgba(129,140,248,0.25);
}
.contact-form .btn { padding: 9px 18px; font-size: 0.82rem; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-alert {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.form-alert-success {
  background: rgba(94,234,212,0.12);
  border: 1px solid rgba(94,234,212,0.4);
  color: #a7f3ea;
}
.form-alert-error {
  background: rgba(248,113,113,0.12);
  border: 1px solid rgba(248,113,113,0.4);
  color: #fecaca;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--panel-border);
  padding: 22px 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}
.footer-inner p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .hub-tags { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; order: 3; }
  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(10,14,23,0.98);
    border-bottom: 1px solid var(--panel-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    margin-left: 0;
    transition: max-height var(--transition);
  }
  .primary-nav.is-open { max-height: 360px; }
  .primary-nav a {
    padding: 14px 20px;
    border-bottom: 1px solid var(--panel-border);
    opacity: 1;
  }
  .primary-nav .lang-switch { padding: 14px 20px; border-bottom: 1px solid var(--panel-border); }
  .primary-nav .btn { margin: 14px 20px; text-align: center; }
  .cards { grid-template-columns: 1fr; }
  .hub-tags { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 32px; }
  .section { padding: 36px 0; }
}

@media (max-width: 400px) {
  .container { padding: 0 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}