/* ═══════════════════════════════════════════════
   PORTFOLIO CMS — MAIN CSS
   Dark premium, indigo accent, Syne + DM Sans
═══════════════════════════════════════════════ */

:root {
  --bg: #050816;
  --bg-1: #0d1117;
  --bg-2: #12161e;
  --bg-3: #1a1f2e;
  --border: rgba(255,255,255,0.07);
  --border-light: rgba(255,255,255,0.12);
  --text: #ffffff;
  --text-muted: #7a8094;
  --text-dim: #8892a4;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99,102,241,0.25);
  --accent-2: #06b6d4;
  --success: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.6);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── NAVBAR ─────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem 2rem;
  transition: var(--transition);
}
.site-nav.scrolled {
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 2rem;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
}
.brand-dot { color: var(--accent); font-size: 0.8rem; }
.nav-links { display: flex; gap: 2rem; margin-left: auto; }
.nav-links a {
  font-size: 0.9rem; color: var(--text-muted); letter-spacing: 0.02em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.available-pill {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0.85rem; border-radius: 999px;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  color: var(--success); font-size: 0.8rem;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--success);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: var(--text);
  border-radius: 2px; transition: var(--transition);
}

/* ── HERO ───────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
  padding-top: 80px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-blob {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.15;
}
.hero-blob-1 {
  width: 600px; height: 600px; top: -100px; right: -100px;
  background: radial-gradient(circle, var(--accent), transparent);
}
.hero-blob-2 {
  width: 400px; height: 400px; bottom: 50px; left: -50px;
  background: radial-gradient(circle, var(--accent-2), transparent);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 4rem; width: 100%;
}
.hero-content { flex: 1; max-width: 600px; }
.hero-eyebrow {
  display: flex; align-items: center; gap: 1rem;
  color: var(--accent-light); font-size: 0.85rem;
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.5rem;
}
.eyebrow-line { width: 40px; height: 1px; background: var(--accent); }
.hero-title {
  font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800; line-height: 1.05; margin-bottom: 1rem;
}
.hero-name {
  background: linear-gradient(135deg, var(--accent-light), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.2rem; color: var(--text-muted); margin-bottom: 0.75rem;
}
.hero-bio { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 2rem; max-width: 480px; }
.hero-actions { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }
.hero-stats { display: flex; align-items: center; gap: 2rem; }
.stat-item { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--accent-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-lbl { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-image-wrap {
  position: relative; flex-shrink: 0;
}
.hero-image-frame {
  width: 340px; height: 380px; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border-light);
  background: var(--bg-2);
}
.hero-img { width: 100%; height: 100%; object-fit: cover; }
.hero-image-glow {
  position: absolute; inset: -20px; border-radius: var(--radius-lg);
  background: radial-gradient(circle at center, var(--accent-glow), transparent 70%);
  z-index: -1;
}
.hero-social {
  position: absolute; left: 2rem; bottom: 3rem; z-index: 2;
  display: flex; flex-direction: column; gap: 1rem;
}
.hero-social a {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.85rem;
  transition: all var(--transition);
}
.hero-social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── BUTTONS ────────────────────────────────── */
.btn-primary-site {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.75rem; border-radius: var(--radius);
  background: var(--accent); color: #fff;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition);
}
.btn-primary-site:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-outline-site {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--border-light); color: var(--text);
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition);
}
.btn-outline-site:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ── SECTIONS ───────────────────────────────── */
.section { padding: 6rem 2rem; }
.section-dark { background: var(--bg-1); }
.container { max-width: 1200px; margin: 0 auto; }
.container-sm { max-width: 800px; margin: 0 auto; }
.section-header { margin-bottom: 3.5rem; }
.section-label {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.1;
}

/* ── ABOUT ──────────────────────────────────── */
.about-grid { max-width: 760px; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; font-size: 1.05rem; }
.about-meta { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 1.5rem; }
.about-meta-item { color: var(--text-muted); font-size: 0.9rem; }

/* ── PROJECTS ───────────────────────────────── */
.project-filters {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.4rem 1rem; border-radius: 999px;
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.85rem; cursor: pointer;
  transition: all var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.75rem;
}
.proj-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
}
.proj-card:hover {
  border-color: var(--border-light); transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.proj-card--featured { border-color: rgba(99,102,241,0.3); }
.proj-card-img-wrap { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-3); }
.proj-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.proj-card:hover .proj-card-img-wrap img { transform: scale(1.05); }
.proj-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 3rem; color: var(--text-dim); }
.proj-overlay {
  position: absolute; inset: 0; background: rgba(99,102,241,0.6);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.proj-card:hover .proj-overlay { opacity: 1; }
.proj-overlay-icon { font-size: 2rem; color: #fff; }
.proj-card-body { padding: 1.5rem; }
.proj-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; }
.proj-cat { font-size: 0.78rem; color: var(--accent-light); text-transform: uppercase; letter-spacing: 0.08em; }
.proj-featured-badge { color: var(--warn); }
.proj-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.proj-title a:hover { color: var(--accent-light); }
.proj-desc { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1rem; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1rem; }
.proj-tag {
  padding: 0.2rem 0.6rem; border-radius: 4px;
  background: var(--bg-3); color: var(--text-muted);
  font-size: 0.75rem;
}
.proj-links { display: flex; gap: 1rem; }
.proj-link { font-size: 0.85rem; color: var(--accent-light); transition: color var(--transition); }
.proj-link:hover { color: var(--accent); }

/* ── SKILLS ─────────────────────────────────── */
.skills-tabs {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem;
}
.skill-tab {
  padding: 0.4rem 1rem; border-radius: 999px;
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.85rem; cursor: pointer;
  transition: all var(--transition);
}
.skill-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.skills-panel { display: none; }
.skills-panel.active { display: block; }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.skill-item { }
.skill-header { display: flex; justify-content: space-between; margin-bottom: 0.5rem; }
.skill-name { font-size: 0.9rem; font-weight: 500; display: flex; align-items: center; gap: 0.4rem; }
.s-icon { font-size: 1rem; }
.skill-pct { font-family: var(--font-display); font-size: 0.8rem; color: var(--text-muted); }
.skill-track {
  height: 4px; background: var(--bg-3); border-radius: 4px; overflow: hidden;
}
.skill-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 4px; width: 0; transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── TESTIMONIALS ───────────────────────────── */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.75rem; }
.testimonial-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  transition: all var(--transition);
}
.testimonial-card--featured { border-color: rgba(99,102,241,0.4); }
.testimonial-stars { color: var(--warn); margin-bottom: 1rem; letter-spacing: 0.1em; }
.testimonial-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.author-avatar-placeholder {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700;
}
.author-info { display: flex; flex-direction: column; }
.author-info strong { font-size: 0.9rem; }
.author-info span { font-size: 0.8rem; color: var(--text-muted); }

/* ── CONTACT ────────────────────────────────── */
.contact-box { text-align: center; padding: 4rem 2rem; }
.contact-title {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; margin-bottom: 1rem;
}
.contact-sub { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 2rem; }
.contact-email {
  display: inline-block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700;
  color: var(--accent-light); border-bottom: 2px solid transparent;
  transition: border-color var(--transition); margin-bottom: 2rem;
}
.contact-email:hover { border-color: var(--accent-light); }
.contact-social { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.contact-social-link {
  padding: 0.5rem 1.25rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-muted);
  font-size: 0.85rem; transition: all var(--transition);
}
.contact-social-link:hover { border-color: var(--accent); color: var(--accent); }

/* ── FOOTER ─────────────────────────────────── */
.site-footer {
  padding: 2rem; border-top: 1px solid var(--border);
  text-align: center; color: var(--text-dim); font-size: 0.85rem;
}

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 768px) {
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-image-wrap { display: none; }
  .hero-social { display: none; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 60px; left: 0; right: 0; padding: 1.5rem;
    background: var(--bg-1); border-bottom: 1px solid var(--border);
    gap: 1rem;
  }
  .hamburger { display: flex; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}