/* ═══════════════════════════════════════════
   FADILDEV v2 — Dark Minimal + Terminal Aesthetic
   Inspired by: Linear, Vercel, x.AI
   ═══════════════════════════════════════════ */

/* ─── Reset & Variables ─── */
:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --border: #222222;
  --border-hover: #333333;
  --text: #ededed;
  --text-dim: #888888;
  --text-muted: #555555;
  --accent: #00ffaa;
  --accent-dim: rgba(0, 255, 170, 0.1);
  --accent-glow: rgba(0, 255, 170, 0.3);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1100px;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

/* ─── NAV ─── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
#nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 10, 10, 0.95);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: 0.2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta {
  font-size: 0.82rem;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent); }
.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: color 0.2s, transform 0.2s;
  margin-right: 4px;
}
.nav-icon:hover { color: var(--accent); transform: translateY(-1px); }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px 0; transition: all 0.3s; border-radius: 2px; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: center;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 24px 40px;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

/* Terminal card */
.hero-terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.terminal-bar {
  background: #1a1a1a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-dot.red { background: #ff5f57; }
.term-dot.yellow { background: #febc2e; }
.term-dot.green { background: #28c840; }
.term-title {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 2;
}
.terminal-body h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin: 4px 0 12px;
  font-family: var(--font-sans);
}
.terminal-body p { color: var(--text-dim); margin: 4px 0; }
.terminal-role { color: var(--accent) !important; font-weight: 500; min-height: 1.6em; }
.terminal-desc { color: var(--text-dim) !important; font-size: 0.82rem; margin-top: 8px !important; line-height: 1.6; }
.t-green { color: var(--accent); }
.cursor { animation: blink 1s infinite; color: var(--accent); }
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

.hero-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { box-shadow: 0 0 20px var(--accent-glow); transform: translateY(-1px); }
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Hero photo */
.hero-right { display: flex; justify-content: center; align-items: center; }
.hero-photo-area { position: relative; width: 280px; height: 280px; }
.hero-photo-wrap {
  width: 200px; height: 200px;
  border-radius: 50%;
  overflow: hidden;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--border);
  transition: border-color 0.3s;
}
.hero-photo-wrap:hover { border-color: var(--accent); }
.hero-photo { width: 100%; height: 100%; object-fit: cover; }
.photo-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 240px; height: 240px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 4s ease-in-out infinite;
}
@keyframes pulse-glow { 0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); } 50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); } }

/* Floating badges */
.float-badge {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  animation: float 3s ease-in-out infinite;
}
.fb-1 { top: 10%; right: 5%; animation-delay: 0s; }
.fb-2 { top: 5%; left: 15%; animation-delay: 0.5s; }
.fb-3 { bottom: 15%; right: 0%; animation-delay: 1s; }
.fb-4 { bottom: 5%; left: 10%; animation-delay: 1.5s; }
.fb-5 { top: 50%; right: -5%; animation-delay: 2s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Scroll hint */
.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 40px;
}
.scroll-hint span { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--text-muted), transparent); animation: scroll-anim 2s infinite; }
@keyframes scroll-anim { 0% { opacity: 1; transform: scaleY(1); } 100% { opacity: 0; transform: scaleY(0.3); transform-origin: top; } }

/* ─── SECTIONS ─── */
.section {
  padding: 100px 24px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.section.active { opacity: 1; transform: translateY(0); }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -0.5px;
}
.section-sub { color: var(--text-dim); margin-top: -24px; margin-bottom: 32px; }

/* ─── ABOUT ─── */
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; align-items: start; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; font-size: 0.92rem; }
.about-stats { display: flex; flex-direction: column; gap: 24px; }
.stat {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: border-color 0.3s;
}
.stat:hover { border-color: var(--accent); }
.stat-num { display: block; font-size: 2rem; font-weight: 700; color: var(--accent); font-family: var(--font-mono); }
.stat-label { font-size: 0.78rem; color: var(--text-dim); margin-top: 4px; display: block; }

/* ─── TIMELINE ─── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -32px; top: 8px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 8px var(--accent-dim);
}
.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.3s;
}
.timeline-content:hover { border-color: var(--border-hover); }
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}
.timeline-content h3 { font-size: 1.1rem; margin: 8px 0 4px; font-weight: 600; }
.timeline-role { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 12px; }
.timeline-content ul { padding-left: 20px; }
.timeline-content li { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 6px; line-height: 1.6; }

/* ─── SKILLS ─── */
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 32px; }
.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s;
}
.cap-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); }
.cap-icon { font-size: 1.5rem; margin-bottom: 12px; }
.cap-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }
.cap-card p { font-size: 0.82rem; color: var(--text-dim); line-height: 1.6; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-dim);
  transition: all 0.2s;
}
.tag-cloud span:hover { border-color: var(--accent); color: var(--accent); }

/* ─── CERTIFICATES ─── */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s;
}
.cert-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.cert-date { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); margin-bottom: 8px; }
.cert-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.cert-card > p { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 12px; }
.cert-card ul { padding-left: 16px; }
.cert-card li { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 4px; }

/* ─── GAMES ─── */
.games-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.3s;
}
.game-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0, 255, 170, 0.05); }
.game-icon { font-size: 2rem; }
.game-title { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.game-desc { font-size: 0.75rem; color: var(--text-muted); }

/* ─── CONTACT ─── */
.contact-grid { display: flex; flex-wrap: wrap; gap: 16px; }
.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.2s;
}
.contact-item:hover { border-color: var(--accent); color: var(--accent); }
.contact-item svg { color: var(--accent); flex-shrink: 0; }

/* ─── FOOTER ─── */
footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}
footer p { font-size: 0.78rem; color: var(--text-muted); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { order: -1; }
  .hero-photo-area { width: 200px; height: 200px; margin: 0 auto; }
  .hero-photo-wrap { width: 150px; height: 150px; }
  .photo-glow { width: 180px; height: 180px; }
  .float-badge { display: none; }
  .terminal-body h1 { font-size: 1.2rem; }
  .hero-buttons { flex-direction: column; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-stats { flex-direction: row; flex-wrap: wrap; gap: 12px; }
  .stat { flex: 1; min-width: 100px; }
  .cap-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .games-grid { grid-template-columns: 1fr; }
  .section h2 { font-size: 1.5rem; }
}