*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #ffffff;
  --surface:  #f8fafc;
  --border:   #e2e8f0;
  --text:     #0f172a;
  --muted:    #64748b;
  --accent:   #6366f1;   /* indigo */
  --accent2:  #8b5cf6;
  --danger:   #ef4444;
  --gold:     #f59e0b;
  --code-bg:  #f1f5f9;
}

html, body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

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

/* ---- Nav ---- */
nav {
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* ---- Hero ---- */
main { max-width: 1000px; margin: 0 auto; padding: 0 32px; }

.hero {
  padding: 96px 0 80px;
  max-width: 680px;
  animation: fadeUp 0.6s ease both;
}

.hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  background: #eef2ff;
  color: var(--accent);
  border: 1px solid #c7d2fe;
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 11px 22px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  display: inline-block;
}
.btn-primary:hover { opacity: 0.88; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 11px 22px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Features ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-bottom: 80px;
  animation: fadeUp 0.6s 0.15s ease both;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.feature-icon { font-size: 1.5rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* ---- Page layout ---- */
.page-main {
  padding: 64px 0 80px;
  animation: fadeUp 0.5s ease both;
}

.page-header {
  margin-bottom: 48px;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.page-sub { color: var(--muted); font-size: 0.95rem; }

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.about-avatar { font-size: 2rem; margin-bottom: 12px; }
.about-card h3 { font-weight: 600; margin-bottom: 4px; }
.about-role { font-size: 0.8rem; color: var(--accent); font-weight: 500; margin-bottom: 10px; }
.about-card p { font-size: 0.85rem; color: var(--muted); }

.mission-box {
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border: 1px solid #c7d2fe;
  border-radius: 12px;
  padding: 32px;
}
.mission-box h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; }
.mission-box p { color: var(--muted); line-height: 1.7; }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.contact-icon { font-size: 1.2rem; margin-top: 2px; }
.contact-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 2px; }

.contact-form-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 13px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  outline: none;
}
.field textarea { height: 90px; resize: none; }

/* ---- Admin panel ---- */
.admin-warning {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 0.85rem;
  color: #92400e;
  margin-bottom: 28px;
  animation: fadeUp 0.4s ease both;
}

.admin-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px;
  animation: fadeUp 0.5s 0.1s ease both;
}

.admin-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.admin-icon { font-size: 2rem; }
.admin-header h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 4px; }

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.stat-num { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; color: var(--accent); }
.stat-label { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }

.flag-box {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.flag-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #92400e;
  margin-bottom: 8px;
  font-weight: 600;
}

.flag-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  color: #b45309;
  word-break: break-all;
}

.admin-hint {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.admin-hint code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--code-bg);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.82rem;
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 28px;
  font-size: 0.82rem;
  color: var(--muted);
}
footer a { color: var(--accent); }
footer a:hover { text-decoration: underline; }

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  nav { padding: 0 16px; }
  main { padding: 0 16px; }
  .features, .about-grid, .admin-stats { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 48px; }
}