:root {
  /* New theme: premium slate + violet/cyan accents */
  --bg: #070814;
  --bg-alt: #0d1025;

  --surface: rgba(14, 18, 44, 0.72);
  --surface-strong: rgba(14, 18, 44, 0.86);

  --accent: #a78bfa;         /* violet */
  --accent-2: #22d3ee;       /* cyan */
  --accent-soft: rgba(167, 139, 250, 0.14);
  --accent-soft-2: rgba(34, 211, 238, 0.12);

  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(232, 236, 255, 0.68);

  --border: rgba(255, 255, 255, 0.10);
  --border-2: rgba(167, 139, 250, 0.22);

  --radius-lg: 18px;
  --radius-xl: 28px;
  --max-width: 1100px;

  --shadow-lg: 0 18px 60px rgba(0, 0, 0, 0.65);
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.35);

  --focus: 0 0 0 4px rgba(167, 139, 250, 0.24);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;

  /* layered background (more depth) */
  background:
    radial-gradient(1000px 650px at 18% 8%, rgba(167, 139, 250, 0.22), transparent 60%),
    radial-gradient(900px 600px at 88% 18%, rgba(34, 211, 238, 0.16), transparent 55%),
    radial-gradient(1200px 800px at 50% 110%, rgba(255, 255, 255, 0.06), transparent 60%),
    linear-gradient(180deg, #070814 0%, #040513 60%, #03030e 100%);
}

a { color: inherit; text-decoration: none; }

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 26px 16px 56px;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 34px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(circle at 20% 10%, rgba(34, 211, 238, 0.95) 0, rgba(167, 139, 250, 0.25) 42%, rgba(7, 8, 20, 0.95) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 0 34px rgba(167, 139, 250, 0.22),
    0 0 44px rgba(34, 211, 238, 0.18);
}

.logo-text-main {
  font-weight: 650;
  letter-spacing: 0.10em;
  font-size: 14px;
  text-transform: uppercase;
}

.logo-text-sub {
  font-size: 11px;
  color: var(--muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-tag {
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  background: rgba(8, 10, 24, 0.55);
  backdrop-filter: blur(10px);
  white-space: nowrap;
}

/* Language switch */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(8, 10, 24, 0.62);
  backdrop-filter: blur(10px);
}

.lang-btn {
  border: none;
  background: transparent;
  color: rgba(232, 236, 255, 0.62);
  font-size: 11px;
  border-radius: 999px;
  padding: 5px 9px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.lang-btn:hover { transform: translateY(-1px); }

.lang-btn.active {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.22), rgba(34, 211, 238, 0.14));
  color: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

/* Main layout */
main {
  display: flex;
  flex-direction: column;
  gap: 42px;
}

/* Shared section styling */
section {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 18px 16px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}

section + section { margin-top: 10px; }

.section-header { margin-bottom: 10px; }

.section-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(232, 236, 255, 0.60);
  margin-bottom: 3px;
}

.section-title {
  font-size: 18px;
  letter-spacing: 0.01em;
}

.section-description {
  font-size: 13px;
  color: var(--muted);
  margin-top: 5px;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 28px;
  align-items: center;

  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);

  background:
    radial-gradient(700px 320px at 10% 0%, rgba(167, 139, 250, 0.14), transparent 60%),
    radial-gradient(700px 320px at 90% 10%, rgba(34, 211, 238, 0.12), transparent 55%),
    var(--surface-strong);

  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 25% 0, rgba(167, 139, 250, 0.18), transparent 55%),
    radial-gradient(circle at 85% 20%, rgba(34, 211, 238, 0.10), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.hero > * { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11px;
  border: 1px solid rgba(167, 139, 250, 0.30);
  background: linear-gradient(90deg, rgba(167, 139, 250, 0.16), rgba(34, 211, 238, 0.08));
  color: rgba(232, 236, 255, 0.72);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px rgba(167, 139, 250, 0.55), 0 0 18px rgba(34, 211, 238, 0.35);
}

.hero-title {
  margin-top: 14px;
  margin-bottom: 12px;
  font-size: clamp(30px, 4.2vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 14px;
  color: rgba(232, 236, 255, 0.70);
  max-width: 500px;
}

.hero-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Buttons */
.btn-primary,
.btn-ghost {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition:
    transform 0.14s ease,
    box-shadow 0.14s ease,
    background 0.14s ease,
    border-color 0.14s ease,
    filter 0.14s ease;
  background: none;
  color: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.95), rgba(34, 211, 238, 0.85));
  color: #060714;
  font-weight: 700;
  box-shadow:
    0 14px 30px rgba(167, 139, 250, 0.20),
    0 14px 30px rgba(34, 211, 238, 0.12);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow:
    0 18px 44px rgba(167, 139, 250, 0.26),
    0 18px 44px rgba(34, 211, 238, 0.18);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(10, 12, 28, 0.55);
  color: rgba(232, 236, 255, 0.72);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(14, 18, 44, 0.62);
  border-color: rgba(167, 139, 250, 0.35);
  transform: translateY(-1px);
}

.hero-note {
  margin-top: 12px;
  font-size: 11px;
  color: rgba(232, 236, 255, 0.58);
}

/* Hero card */
.hero-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 16px;

  background:
    radial-gradient(circle at top left, rgba(167, 139, 250, 0.18), transparent 55%),
    radial-gradient(circle at 90% 10%, rgba(34, 211, 238, 0.10), transparent 55%),
    rgba(10, 12, 28, 0.65);

  box-shadow: var(--shadow-soft);
}

.hero-card-title {
  font-size: 14px;
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.hero-card-text {
  font-size: 12px;
  color: rgba(232, 236, 255, 0.66);
  margin-bottom: 14px;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 11px;
}

.hero-metric {
  padding: 9px 11px;
  border-radius: 14px;
  border: 1px dashed rgba(167, 139, 250, 0.38);
  background: rgba(8, 10, 24, 0.55);
}

.hero-metric strong {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}

/* Grids / cards */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 10px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  padding: 13px 13px;
  background:
    linear-gradient(145deg, rgba(8, 10, 24, 0.78), rgba(14, 18, 44, 0.55));
  font-size: 13px;
  transition: transform 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 139, 250, 0.26);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.card-highlight {
  border-color: rgba(167, 139, 250, 0.26);
  background:
    radial-gradient(circle at top, rgba(167, 139, 250, 0.14), transparent 55%),
    linear-gradient(145deg, rgba(8, 10, 24, 0.82), rgba(14, 18, 44, 0.55));
}

.card-title {
  font-size: 13px;
  margin-bottom: 5px;
  font-weight: 700;
}

.card-tag {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: rgba(232, 236, 255, 0.70);
  background: rgba(8, 10, 24, 0.45);
  margin-bottom: 6px;
}

.card p { margin: 0; color: rgba(232, 236, 255, 0.66); }

/* Lists */
ul {
  padding-left: 18px;
  margin: 10px 0 0;
  font-size: 13px;
  color: rgba(232, 236, 255, 0.70);
}

ul li + li { margin-top: 6px; }

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 18px;
  align-items: flex-start;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  font-size: 13px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 11px;
  color: rgba(232, 236, 255, 0.62);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input,
textarea {
  font: inherit;
  padding: 11px 13px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 8, 20, 0.58);
  color: var(--text);
  outline: none;
  transition:
    border-color 0.14s ease,
    box-shadow 0.14s ease,
    background 0.14s ease;
}

textarea { resize: vertical; min-height: 92px; }

input:focus,
textarea:focus {
  border-color: rgba(167, 139, 250, 0.55);
  box-shadow: var(--focus);
  background: rgba(7, 8, 20, 0.72);
}

.contact-meta {
  font-size: 12px;
  color: rgba(232, 236, 255, 0.68);
}

.contact-meta-item + .contact-meta-item { margin-top: 10px; }

.contact-meta span {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(232, 236, 255, 0.52);
}

/* Special contact emphasis (kept but re-themed) */
#contact {
  border-color: rgba(167, 139, 250, 0.30);
  box-shadow:
    0 0 46px rgba(167, 139, 250, 0.16),
    0 0 46px rgba(34, 211, 238, 0.10),
    0 18px 44px rgba(0, 0, 0, 0.65);
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 10% 0, rgba(167, 139, 250, 0.22), transparent 55%),
    radial-gradient(circle at 90% 15%, rgba(34, 211, 238, 0.14), transparent 55%);
  opacity: 0.8;
  pointer-events: none;
}

#contact .contact-layout {
  position: relative;
  z-index: 1;
}

#contact .btn-primary {
  margin-top: 4px;
  width: 100%;
  justify-content: center;
  font-size: 15px;
  padding: 12px 20px;
  box-shadow:
    0 0 24px rgba(167, 139, 250, 0.26),
    0 0 24px rgba(34, 211, 238, 0.16),
    0 12px 28px rgba(0, 0, 0, 0.35);
}

#contact .btn-primary:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow:
    0 0 34px rgba(167, 139, 250, 0.34),
    0 0 34px rgba(34, 211, 238, 0.22),
    0 16px 34px rgba(0, 0, 0, 0.42);
}

/* Footer */
footer {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  font-size: 11px;
  color: rgba(232, 236, 255, 0.62);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
}

/* Responsive */
@media (max-width: 830px) {
  .hero { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 580px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  .grid { grid-template-columns: 1fr; }
  .page { padding-inline: 14px; }
  section { padding: 14px 12px; }
}

/* Accessibility: reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .btn-primary, .btn-ghost, .card, .lang-btn { transition: none !important; }
}