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

:root {
  --bg: #080c14;
  --bg2: #0d1220;
  --card: #111827;
  --card-border: rgba(99,102,241,0.15);
  --accent: #6366f1;
  --accent2: #a855f7;
  --accent3: #06b6d4;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --green: #22c55e;
  --radius: 16px;
  --font: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; }

/* ======= SCROLLBAR ======= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ======= NAV ======= */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 2rem;
  backdrop-filter: blur(20px);
  background: rgba(8,12,20,0.8);
  border-bottom: 1px solid rgba(99,102,241,0.1);
  transition: all 0.3s ease;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  font-family: var(--mono);
  font-size: 1.1rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted); font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.btn-nav {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; padding: 0.5rem 1.2rem;
  border-radius: 8px; font-size: 0.85rem; font-weight: 600;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-nav:hover { opacity: 0.9; transform: translateY(-1px); }

/* ======= HERO ======= */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: space-between;
  padding: 100px 4rem 4rem;
  max-width: 1200px; margin: 0 auto;
  gap: 3rem;
  position: relative;
}
.hero-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
}
.grid-overlay {
  position: absolute; inset: 0;
  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;
}
.glow {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.18;
}
.glow-1 {
  width: 600px; height: 600px;
  top: -150px; left: -100px;
  background: radial-gradient(circle, var(--accent), transparent);
  animation: floatGlow 8s ease-in-out infinite;
}
.glow-2 {
  width: 500px; height: 500px;
  bottom: -100px; right: -50px;
  background: radial-gradient(circle, var(--accent2), transparent);
  animation: floatGlow 10s ease-in-out infinite reverse;
}
@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, 30px); }
}

.hero-content { flex: 1; max-width: 580px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--green);
  padding: 0.4rem 1rem; border-radius: 50px;
  font-size: 0.8rem; font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease both;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%; background: var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

#hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900; line-height: 1.1;
  margin-bottom: 0.75rem;
  animation: fadeUp 0.6s 0.1s ease both;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  font-family: var(--mono);
  font-size: 1.3rem; color: var(--accent3);
  margin-bottom: 1.25rem; min-height: 2rem;
  animation: fadeUp 0.6s 0.2s ease both;
}
.cursor {
  animation: blink 0.8s step-end infinite;
  color: var(--accent);
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  color: var(--muted); font-size: 1.05rem;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s 0.3s ease both;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.6s 0.4s ease both;
}
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; padding: 0.85rem 2rem;
  border-radius: 10px; font-weight: 700; font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
  cursor: pointer; border: none;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}
.btn-primary.full-width { width: 100%; text-align: center; }
.btn-secondary {
  display: inline-block;
  border: 1px solid rgba(99,102,241,0.4);
  color: var(--text); padding: 0.85rem 2rem;
  border-radius: 10px; font-weight: 600; font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(99,102,241,0.08);
}

.hero-stats {
  display: flex; align-items: center; gap: 1.5rem;
  animation: fadeUp 0.6s 0.5s ease both;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 1.8rem; font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.75rem; color: var(--muted); }
.stat-divider { width: 1px; height: 40px; background: rgba(99,102,241,0.2); }

/* ======= CODE CARD ======= */
.hero-visual {
  flex: 0 0 auto;
  animation: fadeUp 0.6s 0.3s ease both;
}
.code-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden; min-width: 340px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.code-header {
  display: flex; align-items: center; gap: 0.4rem;
  background: #1a1f2e; padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.dot-r { width:12px;height:12px;border-radius:50%;background:#ff5f56; }
.dot-y { width:12px;height:12px;border-radius:50%;background:#ffbd2e; }
.dot-g { width:12px;height:12px;border-radius:50%;background:#27c93f; }
.file-name { font-family:var(--mono);font-size:0.75rem;color:var(--muted);margin-left:0.5rem; }
.code-body { padding: 1.5rem; font-family:var(--mono);font-size:0.85rem;line-height:1.8; }
.kw { color:#c084fc; }
.var { color:#67e8f9; }
.prop { color:#93c5fd; }
.str { color:#86efac; }
.cm { color:#475569; }

/* ======= SECTIONS COMMON ======= */
section:not(#hero) { padding: 6rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }

.section-tag {
  display: inline-block;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--accent);
  padding: 0.3rem 0.9rem; border-radius: 50px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 1.2rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800; margin-bottom: 0.75rem;
}
.section-sub { color: var(--muted); font-size: 1.05rem; margin-bottom: 3rem; }

/* ======= ABOUT ======= */
#about { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
.about-image-wrap { position: relative; display: flex; justify-content: center; }
.about-image-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.1));
  border-radius: 50%; filter: blur(40px);
}
.about-avatar-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
  z-index: 1;
}
.about-avatar {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
}
.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.avatar-ring {
  position: absolute;
  inset: -6px;
  z-index: 1;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  animation: spin 8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.about-badges-float { position: absolute; width: 100%; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.float-badge {
  position: absolute; background: var(--card);
  border: 1px solid var(--card-border);
  padding: 0.4rem 0.9rem; border-radius: 8px;
  font-size: 0.8rem; font-weight: 600; white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.float-badge.top-right { right: -30px; top: -80px; }
.float-badge.bottom-left { left: -30px; bottom: -80px; }
.about-text h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 1rem; }
.about-text p { color: var(--muted); margin-bottom: 1rem; }
.about-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.tag {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 0.35rem 0.85rem;
  border-radius: 8px; font-size: 0.82rem; font-weight: 500;
}

/* ======= SKILLS ======= */
#skills { background: var(--bg); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.skill-category {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}
.skill-category:hover {
  border-color: rgba(99,102,241,0.5);
  transform: translateY(-4px);
}
.skill-category h3 {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 1.25rem;
}
.skill-items { display: flex; flex-direction: column; gap: 0.65rem; }
.skill-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.9rem; color: var(--muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: color 0.2s;
}
.skill-item:hover { color: var(--text); }
.skill-icon { font-size: 1.1rem; }

/* ======= PROJECTS ======= */
#projects { background: var(--bg2); }
.projects-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.project-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}
.project-card:hover {
  border-color: rgba(99,102,241,0.5);
  transform: translateY(-4px);
}
.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.05));
  border-color: rgba(99,102,241,0.25);
}
.project-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.project-icon { font-size: 2rem; }
.project-links { display: flex; gap: 0.5rem; }
.project-link {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 8px; color: var(--muted); font-size: 1rem;
  transition: all 0.2s;
}
.project-link:hover { border-color: var(--accent); color: var(--accent); }
.project-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; }
.project-card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-tech span {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent);
  padding: 0.2rem 0.7rem;
  border-radius: 6px; font-size: 0.75rem; font-weight: 600;
}

/* ======= CONTACT ======= */
#contact { background: var(--bg); }
#contact .section-title, #contact .section-sub { text-align: center; }
#contact .section-tag { display: block; text-align: center; width: fit-content; margin: 0 auto 1.2rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon {
  font-size: 1.4rem; width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 12px; flex-shrink: 0;
}
.contact-label { font-size: 0.78rem; color: var(--muted); font-weight: 500; margin-bottom: 0.2rem; }
.contact-value { color: var(--text); font-weight: 600; font-size: 0.9rem; transition: color 0.2s; }
.contact-value:hover { color: var(--accent); }

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--muted); }
.form-group input,
.form-group textarea {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px; padding: 0.85rem 1rem;
  color: var(--text); font-family: var(--font); font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none; resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: #475569; }

/* ======= FOOTER ======= */
footer {
  background: var(--bg2);
  border-top: 1px solid rgba(99,102,241,0.1);
  padding: 2rem;
  text-align: center;
}
footer p { color: var(--muted); font-size: 0.85rem; }
.footer-sub { font-size: 0.75rem; margin-top: 0.3rem; opacity: 0.6; }

/* ======= ANIMATIONS ======= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ======= RESPONSIVE ======= */
@media (max-width: 900px) {
  #hero { flex-direction: column; padding: 100px 2rem 3rem; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { width: 100%; }
  .code-card { min-width: unset; width: 100%; max-width: 380px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .float-badge.top-right { right: 0; top: -70px; }
  .float-badge.bottom-left { left: 0; bottom: -70px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}