/* ============================================
   Dev Panda — Portfolio CSS
   main.css | public_html/css/main.css
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');

/* === TOKENS === */
:root {
  --bg-primary:    #0A0A0F;
  --bg-secondary:  #111118;
  --bg-card:       #16161F;
  --accent:        #00FF88;
  --accent-dim:    rgba(0, 255, 136, 0.12);
  --accent-glow:   rgba(0, 255, 136, 0.35);
  --text-primary:  #F0F0F0;
  --text-secondary:#8A8A9A;
  --text-muted:    #4A4A5A;
  --border:        rgba(255, 255, 255, 0.07);
  --border-accent: rgba(0, 255, 136, 0.3);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === NOISE TEXTURE OVERLAY === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
}

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

.nav-since {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

/* Radial glow background */
.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  width: 100%;
  text-align: center;
}

/* Terminal badge */
.terminal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.terminal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

/* Hero headline */
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.hero-headline .accent { color: var(--accent); }

/* Typewriter container */
.typewriter-wrap {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 28px;
  min-height: 2em;
}

.typewriter-wrap .cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Bio paragraph */
.hero-bio {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 48px;
  line-height: 1.75;
}

.hero-bio strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* CTA group */
.cta-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons — base */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

/* Primary — WhatsApp */
.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: #00e87a;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

/* Secondary — Call */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

/* Icon inside button */
.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Desktop-only: always show both; mobile shows smart CTA via JS */
.desktop-cta { display: flex; }
.mobile-cta  { display: none; }

/* === STATS STRIP === */
.stats-strip {
  position: relative;
  z-index: 1;
  padding: 60px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* === ABOUT SECTION === */
.about {
  position: relative;
  z-index: 1;
  padding: 100px 40px;
}

.section-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-text p:last-child { margin-bottom: 0; }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.skill-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.skill-tag:hover {
  border-color: var(--border-accent);
  color: var(--accent);
}

/* === CONTACT SECTION === */
.contact {
  position: relative;
  z-index: 1;
  padding: 80px 40px 120px;
}

.contact-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}

.contact-card .section-eyebrow { margin-bottom: 12px; }

.contact-card .section-title {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.contact-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 36px;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-full { width: 100%; justify-content: center; }

/* Phone display */
.phone-display {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.phone-display a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.phone-display a:hover { color: var(--accent); }

/* === FOOTER === */
.footer {
  position: relative;
  z-index: 1;
  padding: 24px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-copy span { color: var(--accent); }

.footer-since {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* === MOBILE FLOATING CTA === */
.float-cta {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  gap: 12px;
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .navbar { padding: 16px 20px; }

  .hero { padding: 100px 24px 60px; text-align: center; }

  .hero::after { width: 340px; height: 200px; }

  .cta-group.desktop-cta { display: none; }

  .float-cta {
    display: flex;
  }

  .stats-strip { padding: 48px 24px; }
  .stats-inner { grid-template-columns: 1fr; gap: 28px; }

  .about { padding: 70px 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }

  .contact { padding: 60px 24px 100px; }
  .contact-card { padding: 32px 24px; }

  .footer { padding: 20px 24px; flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 2.2rem; }
}