/* =============================================================
   Kamal's Server — Public Site Styles
   ============================================================= */

:root {
  --hero-gradient: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
  --card-bg: rgba(99, 102, 241, 0.04);
  --card-border: rgba(99, 102, 241, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
}

[data-md-color-scheme="default"] {
  --card-bg: rgba(99, 102, 241, 0.035);
  --card-border: rgba(99, 102, 241, 0.12);
}

html { scroll-behavior: smooth; }

/* ─── Logo animation ─── */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(99, 102, 241, 0.3)); }
  50% { filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.5)); }
}

/* ─── Hero Section ─── */
.hero-section {
  position: relative;
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
  border-radius: var(--radius);
  background: var(--hero-gradient);
  color: #fff;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(255,255,255,0.06) 0%, transparent 40%);
  animation: hero-shimmer 8s ease-in-out infinite;
}

@keyframes hero-shimmer {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.hero-section h1 {
  color: #fff !important;
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.hero-section p {
  color: rgba(255,255,255,0.9) !important;
  font-size: 1.1rem;
  max-width: 600px;
  position: relative;
  z-index: 1;
}

.hero-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  min-width: 90px;
}

.hero-stat-value { font-size: 1.5rem; font-weight: 700; line-height: 1; }
.hero-stat-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.8; margin-top: 0.25rem; }

/* ─── Feature Grid ─── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--hero-gradient);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

.feature-card:hover::before { opacity: 1; }

.feature-card-icon { font-size: 1.8rem; margin-bottom: 0.5rem; display: block; }

.feature-card h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1rem;
  color: var(--md-typeset-color);
}

.feature-card p { margin: 0; font-size: 0.85rem; opacity: 0.75; line-height: 1.4; }

/* ─── Tech Stack Grid ─── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

.tech-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.tech-item span:last-child { font-size: 0.8rem; font-weight: 500; opacity: 0.85; }

/* ─── Mermaid ─── */
.mermaid { text-align: center; margin: 1.5rem 0; }

.diagram-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

/* ─── Jump Links ─── */
.jump-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.jump-links a {
  display: inline-block;
  padding: 0.3em 0.8em;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  font-size: 0.8rem;
  transition: all 0.15s ease;
}

.jump-links a:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: #818cf8;
}

/* ─── Project Cards ─── */
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1rem 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.1);
}

.project-card h3 { margin: 0 0 0.25rem 0; }
.project-card .meta { font-size: 0.8rem; opacity: 0.6; margin-bottom: 0.5rem; }
.project-card p { margin: 0; font-size: 0.9rem; }
.project-card .tags { display: flex; gap: 0.3rem; flex-wrap: wrap; margin-top: 0.75rem; }
.project-card .tag {
  font-size: 0.7rem;
  padding: 0.15em 0.5em;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.1);
  color: #818cf8;
}