/* ─── Reset & Base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --bg-0:     #08090D;
  --bg-1:     #0F1117;
  --bg-2:     #161B27;
  --bg-3:     #1D2435;
  --border:   rgba(255,255,255,0.07);
  --border-2: rgba(255,255,255,0.12);

  --accent:   #3B82F6;
  --accent-2: #8B5CF6;
  --accent-glow: rgba(59,130,246,0.18);

  --text-1:   #F1F5F9;
  --text-2:   #94A3B8;
  --text-3:   #475569;

  --green:    #22C55E;
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 20px;

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Fira Code", monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ─── Layout Utilities ──────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow { max-width: 760px; }

.section {
  padding: 88px 0;
}

.section--sm { padding: 56px 0; }

/* ─── Navbar ────────────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(8,9,13,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-1);
  text-decoration: none;
}

.navbar__brand:hover { text-decoration: none; }

.navbar__brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  object-fit: cover;
}

.navbar__brand-dot {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.navbar__links a {
  color: var(--text-2);
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: var(--radius-s);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}

.navbar__links a:hover {
  color: var(--text-1);
  background: var(--bg-2);
}

.navbar__cta {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 600;
}

.navbar__cta:hover {
  background: #2563EB !important;
}

/* Mobile menu toggle */
.navbar__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-1);
  padding: 8px;
}

@media (max-width: 680px) {
  .navbar__toggle { display: flex; align-items: center; }
  .navbar__links {
    display: none;
    position: absolute;
    top: 61px;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    gap: 4px;
  }
  .navbar__links.open { display: flex; }
  .navbar__links a { display: block; padding: 10px 12px; }
}

/* ─── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  color: #93C5FD;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero__icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.hero__icon-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 28px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  box-shadow: 0 20px 60px rgba(59,130,246,0.3);
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero__title .gradient {
  background: linear-gradient(135deg, #93C5FD 0%, #C4B5FD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-m);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  text-decoration: none;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 30px rgba(59,130,246,0.3);
}

.btn--primary:hover {
  background: #2563EB;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(59,130,246,0.4);
  text-decoration: none;
}

.btn--secondary {
  background: var(--bg-2);
  color: var(--text-1);
  border: 1px solid var(--border-2);
}

.btn--secondary:hover {
  background: var(--bg-3);
  text-decoration: none;
}

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-2);
}

.btn--ghost:hover {
  color: var(--text-1);
  background: var(--bg-2);
  text-decoration: none;
}

/* ─── Section Header ────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header__title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-header__desc {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ─── Features Grid ─────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card__desc {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ─── Security Section ──────────────────────────────────────────────────── */
.security-section {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.security-grid__text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.security-grid__text p {
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 12px;
}

.security-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.security-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-2);
}

.security-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.security-visual {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.9;
  overflow: hidden;
}

.security-visual .comment { color: #475569; }
.security-visual .key     { color: #93C5FD; }
.security-visual .value   { color: #86EFAC; }
.security-visual .string  { color: #FDE68A; }
.security-visual .symbol  { color: #C4B5FD; }

@media (max-width: 768px) {
  .security-grid { grid-template-columns: 1fr; gap: 36px; }
}

/* ─── CTA Banner ────────────────────────────────────────────────────────── */
.cta-banner {
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.cta-banner p {
  color: var(--text-2);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Footer ────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  font-size: 0.85rem;
  color: var(--text-3);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
  font-weight: 600;
}

.footer__links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__links a {
  color: var(--text-3);
  transition: color 0.15s;
}

.footer__links a:hover {
  color: var(--text-2);
  text-decoration: none;
}

/* ─── Document Pages (Privacy, Terms) ──────────────────────────────────── */
.doc-page {
  padding: 64px 0 80px;
}

.doc-page__header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.doc-page__header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.doc-page__meta {
  color: var(--text-3);
  font-size: 0.9rem;
}

.doc-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text-1);
}

.doc-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-2);
}

.doc-body p {
  color: var(--text-2);
  margin-bottom: 14px;
  line-height: 1.8;
}

.doc-body ul, .doc-body ol {
  color: var(--text-2);
  padding-left: 20px;
  margin-bottom: 14px;
  line-height: 1.8;
}

.doc-body li { margin-bottom: 6px; }

.doc-body a { color: var(--accent); }

.doc-body strong { color: var(--text-1); }

.doc-highlight {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-s);
  padding: 16px 20px;
  margin: 20px 0;
}

.doc-highlight p { margin: 0; color: var(--text-2); font-size: 0.95rem; }

/* ─── Careers Page ──────────────────────────────────────────────────────── */
.careers-hero {
  padding: 72px 0 56px;
  text-align: center;
}

.careers-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.careers-hero p {
  color: var(--text-2);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 72px;
}

.value-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 24px;
}

.value-card__icon { font-size: 1.8rem; margin-bottom: 12px; }
.value-card__title { font-weight: 700; margin-bottom: 8px; }
.value-card__desc { color: var(--text-2); font-size: 0.875rem; line-height: 1.65; }

.positions-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

.position-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  transition: border-color 0.2s;
}

.position-card:hover { border-color: var(--border-2); }
.position-card__title { font-weight: 700; margin-bottom: 4px; }
.position-card__type { font-size: 0.8rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.position-card__desc { color: var(--text-2); font-size: 0.875rem; }

.no-positions {
  text-align: center;
  padding: 56px 24px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}

.no-positions__emoji { font-size: 3rem; margin-bottom: 16px; }
.no-positions h3 { font-weight: 700; margin-bottom: 8px; }
.no-positions p { color: var(--text-2); margin-bottom: 24px; }

/* ─── Misc ──────────────────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

.tag {
  display: inline-block;
  background: rgba(59,130,246,0.1);
  color: #93C5FD;
  border: 1px solid rgba(59,130,246,0.2);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ─── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .hero { padding: 64px 0 56px; }
  .section { padding: 60px 0; }
  .hero__actions { flex-direction: column; align-items: center; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

/* ─── Language Switcher ─────────────────────────────────────────────────── */
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 4px;
}

.lang-switcher__btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-s);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 10px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: var(--font);
  letter-spacing: 0.01em;
}

.lang-switcher__btn:hover {
  background: var(--bg-3);
  color: var(--text-1);
}

.lang-switcher__btn svg {
  transition: transform 0.2s;
}

.lang-switcher.open .lang-switcher__btn svg {
  transform: rotate(180deg);
}

.lang-switcher__menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-m);
  min-width: 120px;
  padding: 6px;
  list-style: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 200;
}

.lang-switcher.open .lang-switcher__menu {
  display: block;
}

.lang-switcher__menu li {
  display: block;
}

.lang-switcher__menu button {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 0.875rem;
  font-family: var(--font);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-s);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lang-switcher__menu button:hover {
  background: var(--bg-3);
  color: var(--text-1);
}

.lang-switcher__menu button.active {
  color: var(--accent);
}

.lang-switcher__menu button.active::after {
  content: "✓";
  font-size: 0.8rem;
}

@media (max-width: 680px) {
  .lang-switcher { margin-left: 0; }
  .lang-switcher__menu { right: 0; left: auto; }
}