/* ============================================================
   DESIGN SYSTEM — CYBERPUNK DARK
   Colors: slate-950 bg | indigo accent | emerald accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

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

:root {
  --bg-950:       #020617;
  --bg-900:       #0f172a;
  --bg-800:       #1e293b;
  --bg-700:       #253347;
  --surface:      rgba(15, 23, 42, 0.85);
  --surface-hover:rgba(30, 41, 59, 0.9);

  --indigo-400:   #818cf8;
  --indigo-500:   #6366f1;
  --indigo-600:   #4f46e5;

  --emerald-400:  #34d399;
  --emerald-500:  #10b981;
  --emerald-600:  #059669;

  --violet-500:   #8b5cf6;

  --text-primary: #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:   #475569;

  --border:       rgba(99,102,241,0.2);
  --border-em:    rgba(52,211,153,0.3);
  --glow-indigo:  rgba(99,102,241,0.35);
  --glow-emerald: rgba(52,211,153,0.3);

  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;

  --transition:   all 0.28s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-950);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SCROLLBAR ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-950); }
::-webkit-scrollbar-thumb { background: var(--indigo-600); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--indigo-400); }

/* ── SELECTION ────────────────────────────────────────────── */
::selection { background: rgba(99,102,241,0.35); color: #fff; }

/* ── UTILITY ──────────────────────────────────────────────── */
.mono { font-family: 'JetBrains Mono', monospace; }
.gradient-text {
  background: linear-gradient(135deg, var(--indigo-400) 0%, var(--emerald-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-violet {
  background: linear-gradient(135deg, var(--violet-500) 0%, var(--indigo-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--emerald-400);
  background: rgba(52,211,153,0.08);
  border: 1px solid var(--border-em);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 1rem;
}
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ── NAVBAR ───────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  padding: 16px 0;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(2,6,23,0.7);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#navbar .nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem; font-weight: 700;
  text-decoration: none;
}
.nav-logo .bracket { color: var(--indigo-400); }
.nav-logo .name { color: var(--text-primary); }
.nav-logo .dot { color: var(--emerald-400); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  color: var(--text-secondary); font-size: 0.875rem; font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--indigo-400);
  transform: scaleX(0); transition: transform 0.25s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  background: linear-gradient(135deg, var(--indigo-600), var(--indigo-500));
  color: #fff !important; padding: 8px 20px;
  border-radius: 8px; font-size: 0.85rem !important;
  transition: var(--transition) !important;
  box-shadow: 0 0 20px rgba(99,102,241,0.25);
}
.nav-cta:hover {
  box-shadow: 0 0 30px rgba(99,102,241,0.5) !important;
  transform: translateY(-1px);
}
.nav-cta::after { display: none !important; }

/* ── HERO SECTION ─────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99,102,241,0.15) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 80% 80%, rgba(52,211,153,0.08) 0%, transparent 60%);
}
.grid-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(99,102,241,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}
.hero-content {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr auto;
  gap: 60px; align-items: center;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 1.5rem;
}
.status-dot {
  width: 8px; height: 8px;
  background: var(--emerald-400);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald-400);
  animation: pulse-dot 2.5s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--emerald-400); }
  50% { opacity: 0.6; box-shadow: 0 0 20px var(--emerald-400); }
}
.hero-eyebrow span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; color: var(--emerald-400);
  letter-spacing: 0.1em;
}
.hero-name {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.hero-title {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.hero-title strong { color: var(--indigo-400); font-weight: 600; }
.hero-description {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 520px; margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 10px;
  font-size: 0.9rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  border: none; transition: var(--transition);
  letter-spacing: 0.02em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--indigo-600), var(--indigo-500));
  color: #fff;
  box-shadow: 0 0 30px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 40px rgba(99,102,241,0.5);
}
.btn-secondary {
  background: transparent;
  color: var(--emerald-400);
  border: 1px solid var(--border-em);
}
.btn-secondary:hover {
  background: rgba(52,211,153,0.08);
  box-shadow: 0 0 20px rgba(52,211,153,0.2);
  transform: translateY(-2px);
}
.hero-badge-wrap {
  display: flex; flex-direction: column; gap: 14px;
  min-width: 220px;
}
.hero-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.hero-badge:hover {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 20px var(--glow-indigo);
}
.hero-badge .badge-label {
  font-size: 0.7rem; color: var(--text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 4px;
}
.hero-badge .badge-value {
  font-size: 1.5rem; font-weight: 800;
  line-height: 1;
}
.hero-badge .badge-sub {
  font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px;
}
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  animation: float-scroll 2.5s ease-in-out infinite;
  cursor: pointer; z-index: 2;
}
@keyframes float-scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
.hero-scroll span { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.15em; }
.hero-scroll svg { color: var(--indigo-400); }

/* ── CONTACT STRIP ────────────────────────────────────────── */
#contact-strip {
  background: linear-gradient(135deg, rgba(99,102,241,0.12) 0%, rgba(52,211,153,0.08) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.contact-strip-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 40px; flex-wrap: wrap;
}
.contact-item {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  transition: var(--transition);
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
}
.contact-item:hover {
  background: rgba(99,102,241,0.1);
  border-color: var(--border);
}
.contact-item .c-icon { font-size: 1.2rem; }
.contact-item .c-label { font-size: 0.78rem; color: var(--text-muted); display: block; letter-spacing: 0.08em; }
.contact-item .c-value { font-size: 0.92rem; font-weight: 600; color: var(--text-primary); }
.strip-separator {
  width: 1px;
  height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── SECTION GENERIC ──────────────────────────────────────── */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 500px; margin: 0 auto;
}

/* ── SKILLS / CV SECTION ──────────────────────────────────── */
#skills { background: var(--bg-950); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--indigo-500), var(--emerald-400));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.skill-card:hover { border-color: rgba(99,102,241,0.4); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.skill-icon { font-size: 1.6rem; }
.skill-cat { font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; font-family: 'JetBrains Mono', monospace; }
.skill-card-title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.tech-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.tech-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; padding: 3px 10px;
  border-radius: 50px;
  border: 1px solid; font-weight: 500;
  transition: var(--transition);
}
.pill-indigo { border-color: rgba(99,102,241,0.4); color: var(--indigo-400); background: rgba(99,102,241,0.08); }
.pill-emerald { border-color: rgba(52,211,153,0.3); color: var(--emerald-400); background: rgba(52,211,153,0.06); }
.pill-violet { border-color: rgba(139,92,246,0.3); color: var(--violet-500); background: rgba(139,92,246,0.06); }
.pill-slate { border-color: rgba(148,163,184,0.2); color: var(--text-secondary); background: rgba(148,163,184,0.05); }

/* EXPERIENCE TIMELINE */
.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 768px) { .cv-grid { grid-template-columns: 1fr; } }
.cv-col-title {
  font-size: 1rem; font-weight: 700; color: var(--indigo-400);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 24px; letter-spacing: 0.05em;
  display: flex; align-items: center; gap: 8px;
}
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 1px; background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -27px; top: 4px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--indigo-400);
  box-shadow: 0 0 8px var(--indigo-400);
}
.timeline-date {
  font-size: 0.72rem; color: var(--emerald-400);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 4px; letter-spacing: 0.08em;
}
.timeline-role { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.timeline-company { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 6px; }
.timeline-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* EDUCATION BLOCK */
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.edu-card:hover { border-color: rgba(52,211,153,0.4); }
.edu-degree { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }
.edu-school { font-size: 0.82rem; color: var(--indigo-400); margin: 3px 0; }
.edu-year { font-size: 0.72rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

/* ── PROJECTS SECTION ─────────────────────────────────────── */
#projects { background: var(--bg-900); position: relative; overflow: hidden; }
#projects::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.project-card {
  background: rgba(15,23,42,0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex; flex-direction: column;
  transition: var(--transition);
  position: relative; overflow: hidden;
  backdrop-filter: blur(12px);
}
.project-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.04) 0%, rgba(52,211,153,0.02) 100%);
  opacity: 0; transition: opacity 0.3s;
  pointer-events: none;
}
.project-card:hover {
  border-color: rgba(99,102,241,0.5);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 30px rgba(99,102,241,0.12);
}
.project-card:hover::before { opacity: 1; }
.project-card-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 16px;
}
.project-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  border: 1px solid var(--border);
}
.p-icon-indigo { background: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.3); }
.p-icon-emerald { background: rgba(52,211,153,0.12); border-color: rgba(52,211,153,0.3); }
.p-icon-violet { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.3); }
.project-type-badge {
  font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
  padding: 4px 10px; border-radius: 50px;
  border: 1px solid;
}
.badge-saas { border-color: rgba(99,102,241,0.4); color: var(--indigo-400); background: rgba(99,102,241,0.08); }
.badge-desktop { border-color: rgba(52,211,153,0.3); color: var(--emerald-400); background: rgba(52,211,153,0.06); }
.badge-mobile { border-color: rgba(139,92,246,0.3); color: var(--violet-500); background: rgba(139,92,246,0.06); }
.badge-c2 { border-color: rgba(239,68,68,0.3); color: #f87171; background: rgba(239,68,68,0.06); }
.badge-web { border-color: rgba(251,191,36,0.3); color: #fbbf24; background: rgba(251,191,36,0.06); }
.badge-ai { border-color: rgba(52,211,153,0.4); color: var(--emerald-400); background: rgba(52,211,153,0.08); }

.project-title {
  font-size: 1.2rem; font-weight: 800;
  margin-bottom: 10px; letter-spacing: -0.01em;
}
.project-tech-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.project-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem; font-weight: 500;
  padding: 3px 9px; border-radius: 50px;
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--indigo-400); background: rgba(99,102,241,0.06);
}
.project-tag.em { border-color: rgba(52,211,153,0.3); color: var(--emerald-400); background: rgba(52,211,153,0.05); }
.project-desc {
  font-size: 0.855rem; color: var(--text-secondary);
  line-height: 1.75; flex: 1; margin-bottom: 20px;
}
.project-desc strong { color: var(--text-primary); font-weight: 600; }
.project-features { margin-bottom: 22px; }
.feature-item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.82rem; color: var(--text-secondary);
  margin-bottom: 6px;
}
.feature-item::before {
  content: '▸';
  color: var(--emerald-400); flex-shrink: 0;
  margin-top: 1px;
}
.project-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 9px;
  font-size: 0.85rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  border: none; transition: var(--transition);
  width: fit-content; margin-top: auto;
}
.cta-demo {
  background: linear-gradient(135deg, var(--indigo-600), var(--indigo-500));
  color: #fff;
  box-shadow: 0 0 20px rgba(99,102,241,0.25);
}
.cta-demo:hover { box-shadow: 0 4px 30px rgba(99,102,241,0.5); transform: translateY(-2px); }
.cta-download {
  background: transparent;
  color: var(--emerald-400);
  border: 1px solid var(--border-em);
}
.cta-download:hover { background: rgba(52,211,153,0.08); transform: translateY(-2px); box-shadow: 0 0 20px var(--glow-emerald); }
.cta-video {
  background: transparent;
  color: var(--violet-500);
  border: 1px solid rgba(139,92,246,0.3);
}
.cta-video:hover { background: rgba(139,92,246,0.08); transform: translateY(-2px); }

/* ── SCADA HIGHLIGHT CARD ─────────────────────────────────── */
.project-card.card-highlight {
  border-color: rgba(52,211,153,0.3);
  background: rgba(15,23,42,0.95);
}
.project-card.card-highlight:hover {
  border-color: rgba(52,211,153,0.6);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(52,211,153,0.15);
}

/* ── ABOUT SECTION ────────────────────────────────────────── */
#about { background: var(--bg-950); }
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.about-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 20px;
  text-align: center; transition: var(--transition);
}
.about-stat:hover { border-color: rgba(99,102,241,0.4); }
.about-stat .num { font-size: 2rem; font-weight: 800; line-height: 1; }
.about-stat .lbl { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.about-text h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 1.2rem; letter-spacing: -0.02em; }
.about-text p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.85; margin-bottom: 1rem; }
.about-text p strong { color: var(--text-primary); }
.about-text p a { color: var(--indigo-400); text-decoration: none; }
.about-text p a:hover { color: var(--indigo-400); text-decoration: underline; }

/* ── CONTACT SECTION ──────────────────────────────────────── */
#contact {
  background: linear-gradient(180deg, var(--bg-900) 0%, var(--bg-950) 100%);
  padding: 100px 0 80px;
}
.contact-box {
  max-width: 720px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 60px rgba(99,102,241,0.1);
  position: relative; overflow: hidden;
}
.contact-box::before {
  content: '';
  position: absolute; top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.contact-box h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 0.8rem; letter-spacing: -0.02em; }
.contact-box p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 2.5rem; max-width: 480px; margin-left: auto; margin-right: auto; }
.contact-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  background: var(--bg-950);
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
}
footer p { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
footer a { color: var(--indigo-400); text-decoration: none; }

/* ── ANIMATIONS ───────────────────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── NOISE OVERLAY ────────────────────────────────────────── */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9998;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
/* Hamburger Toggle button (hidden on desktop) */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1000;
}
.nav-toggle .hamburger {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: background 0.2s ease;
}
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.25s ease, top 0.25s ease;
}
.nav-toggle .hamburger::before { top: -6px; }
.nav-toggle .hamburger::after { top: 6px; }

/* When menu is open (X state) */
.nav-open .nav-toggle .hamburger {
  background: transparent;
}
.nav-open .nav-toggle .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-open .nav-toggle .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-badge-wrap { flex-direction: row; min-width: auto; flex-wrap: wrap; }
  .hero-badge { flex: 1; min-width: 140px; }
  
  /* Show hamburger button */
  .nav-toggle { display: block; }
  
  /* Mobile Menu overlay drawer */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(2, 6, 23, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 40px;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 998;
    box-shadow: none;
  }
  
  .nav-open .nav-links {
    right: 0;
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.6);
  }
  
  .nav-links a {
    font-size: 1.1rem;
  }
  
  .nav-links a::after { display: none; }
  
  /* Disable body scrolling when menu is open */
  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 768px) {
  .strip-separator { display: none; }
  .contact-strip-inner { gap: 12px; justify-content: center; }
  .contact-item { padding: 8px 12px; }
}

@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-box { padding: 36px 24px; }
  .contact-strip-inner { gap: 16px; }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .contact-btns {
    flex-direction: column;
    width: 100%;
  }
  .contact-btns .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .nav-links {
    width: 100%;
    border-left: none;
  }
  .hero-badge {
    padding: 12px 16px;
  }
  .hero-badge .badge-value {
    font-size: 1.25rem;
  }
  .hero-badge .badge-sub {
    font-size: 0.72rem;
  }
}