/* ==========================================================================
   CSS VARIABLES & THEME CONFIGURATION
   ========================================================================== */
:root {
  --bg-dark: #090d16;
  --bg-card: #0f172a;
  --bg-card-hover: #1e293b;
  --border-color: rgba(56, 189, 248, 0.15);
  --border-highlight: rgba(56, 189, 248, 0.4);

  --accent-cyan: #00f0ff;
  --accent-emerald: #10b981;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --terminal-bg: #030712;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
  --glow-emerald: 0 0 20px rgba(16, 185, 129, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 15% 15%, rgba(0, 240, 255, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

/* Selection */
::selection {
  background: var(--accent-cyan);
  color: #000;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Global */
section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0.75rem auto 0;
  font-size: 1.05rem;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 75px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.system-status-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding-top: 9.5rem;
  padding-bottom: 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-pretitle {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.hero-name {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-roles {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-roles span {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.hero-bio {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: var(--glow-cyan);
  border: 1px solid var(--accent-cyan);
}

.btn-primary:hover {
  background: #38bdf8;
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.7);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Terminal Widget in Hero */
.hero-terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  background: #111827;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.terminal-title {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 1.25rem;
  font-size: 0.85rem;
  color: #e2e8f0;
  line-height: 1.7;
}

.terminal-line {
  margin-bottom: 0.35rem;
}

.t-prompt {
  color: var(--accent-emerald);
  font-weight: 600;
}

.t-cmd {
  color: #fff;
}

.t-key {
  color: var(--accent-cyan);
}

.t-val {
  color: #cbd5e1;
}

/* Live Telemetry Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
}

.stat-item {
  text-align: center;
}

.stat-val {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   TECH STACK MATRIX
   ========================================================================== */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.stack-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stack-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.stack-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-cyan);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.stack-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
  color: var(--accent-cyan);
}

.stack-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #fff;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.stack-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-net { border-color: rgba(0, 240, 255, 0.3); color: var(--accent-cyan); }
.badge-sys { border-color: rgba(139, 92, 246, 0.3); color: #c084fc; }
.badge-iac { border-color: rgba(16, 185, 129, 0.3); color: var(--accent-emerald); }
.badge-mon { border-color: rgba(245, 158, 11, 0.3); color: var(--accent-amber); }

/* ==========================================================================
   ARCHITECTURE / DOMAINS SECTION
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.9) 0%, rgba(9, 13, 22, 0.9) 100%);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 2.25rem;
  transition: all 0.3s;
}

.service-card:hover {
  border-color: var(--accent-cyan);
}

.service-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.service-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.3rem;
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.service-list {
  list-style: none;
  margin-top: 1.25rem;
}

.service-list li {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.service-list li i {
  color: var(--accent-cyan);
  margin-top: 4px;
  font-size: 0.85rem;
}

/* ==========================================================================
   INTERACTIVE TERMINAL CONSOLE
   ========================================================================== */
.interactive-terminal {
  background: #020617;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  font-family: var(--font-mono);
  max-width: 900px;
  margin: 0 auto;
}

.cli-header {
  background: #0f172a;
  padding: 0.85rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cli-body {
  padding: 1.5rem;
  min-height: 280px;
  max-height: 400px;
  overflow-y: auto;
  font-size: 0.9rem;
  color: #f1f5f9;
}

.cli-output {
  margin-bottom: 1rem;
  white-space: pre-wrap;
}

.cli-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cli-prompt {
  color: var(--accent-cyan);
  font-weight: 600;
}

.cli-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ==========================================================================
   CONTACT & FOOTER
   ========================================================================== */
.contact-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(9, 13, 22, 0.9) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.5rem 0;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-name {
    font-size: 2.8rem;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 75px;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-links.active {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .section-title {
    font-size: 2rem;
  }
  .stats-bar {
    grid-template-columns: 1fr;
  }
}