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

:root {
  --bg: #050810;
  --bg2: #090d1a;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.08);
  --border-glow: rgba(99,102,241,0.4);
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --accent3: #06b6d4;
  --green: #10b981;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --gradient2: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', sans-serif;
  --font-code: 'Fira Code', monospace;
  --nav-h: 72px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
}

/* ===== CURSOR ===== */
.cursor, .cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: opacity 0.3s;
  will-change: transform;
}
.cursor {
  width: 8px; height: 8px;
  background: var(--accent);
  top: -4px; left: -4px;
  transition: transform 0.1s;
}
.cursor-follower {
  width: 32px; height: 32px;
  border: 1.5px solid rgba(99,102,241,0.5);
  top: -16px; left: -16px;
  transition: transform 0.15s ease-out, border-color 0.3s;
}
.cursor.active { transform: scale(2.5); background: var(--accent2); }
.cursor-follower.active { border-color: var(--accent2); transform: scale(0.7); }

/* ===== BACKGROUND ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.bg-glow {
  position: fixed; border-radius: 50%; filter: blur(120px); z-index: 0; pointer-events: none;
  animation: glow-float 8s ease-in-out infinite;
}
.glow-1 { width: 600px; height: 600px; background: rgba(99,102,241,0.12); top: -200px; right: -200px; animation-delay: 0s; }
.glow-2 { width: 500px; height: 500px; background: rgba(139,92,246,0.1); bottom: 10%; left: -150px; animation-delay: 3s; }
.glow-3 { width: 400px; height: 400px; background: rgba(6,182,212,0.08); bottom: 30%; right: 20%; animation-delay: 6s; }

@keyframes glow-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(5,8,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; width: 100%; margin: 0 auto;
  padding: 0 32px;
  display: flex; align-items: center; gap: 40px;
}
.nav-logo {
  font-size: 1.5rem; font-weight: 800; color: var(--text);
  text-decoration: none; letter-spacing: -0.5px;
  flex-shrink: 0;
}
.nav-logo .dot { color: var(--accent); }
.nav-links {
  list-style: none; display: flex; gap: 32px; margin-left: auto;
}
.nav-links a {
  color: var(--text-dim); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transition: transform var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }
.btn-nav {
  text-decoration: none; color: var(--text);
  background: var(--accent); padding: 8px 20px;
  border-radius: 8px; font-size: 0.875rem; font-weight: 600;
  transition: var(--transition); flex-shrink: 0;
}
.btn-nav:hover { background: var(--accent2); transform: translateY(-1px); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: none; padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99;
  background: rgba(5,8,16,0.98); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%); opacity: 0;
  transition: var(--transition); pointer-events: none;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-menu ul { list-style: none; padding: 24px 32px; display: flex; flex-direction: column; gap: 20px; }
.mobile-menu a { color: var(--text-dim); text-decoration: none; font-size: 1.1rem; font-weight: 500; }

/* ===== SECTIONS ===== */
section { position: relative; z-index: 1; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 120px 32px; }
.section-label {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 12px; font-family: var(--font-code);
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  line-height: 1.1; letter-spacing: -1px; margin-bottom: 64px;
}

/* ===== GRADIENT & OUTLINE TEXT ===== */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.outline-text {
  -webkit-text-stroke: 2px rgba(99,102,241,0.5);
  color: transparent;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff; font-weight: 600;
  padding: 14px 28px; border-radius: 12px; text-decoration: none;
  font-size: 0.95rem; transition: var(--transition);
  border: none; cursor: none;
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(99,102,241,0.4); }
.btn-ghost {
  display: inline-flex; align-items: center;
  color: var(--text-dim); font-weight: 600;
  padding: 14px 28px; border-radius: 12px; text-decoration: none;
  font-size: 0.95rem; transition: var(--transition);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(99,102,241,0.4); background: var(--surface); }
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}
#hero .section-inner { /* override */  }

.hero-content {
  max-width: 1200px; margin: 0 auto; padding: 100px 32px 80px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.25);
  color: var(--green); font-size: 0.8rem; font-weight: 600;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px; background: var(--green);
  border-radius: 50%; animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -2px;
  margin-bottom: 20px;
  animation: fade-up 0.8s ease both;
}
.hero-sub {
  font-size: 1.1rem; color: var(--text-dim); max-width: 480px;
  margin-bottom: 36px; line-height: 1.7;
  animation: fade-up 0.8s 0.1s ease both;
}
.hero-cta {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fade-up 0.8s 0.2s ease both;
}
.hero-stats {
  display: flex; gap: 0; align-items: center;
  animation: fade-up 0.8s 0.3s ease both;
}
.stat { display: flex; flex-direction: column; padding: 0 24px; }
.stat:first-child { padding-left: 0; }
.stat-num { font-size: 1.5rem; font-weight: 800; letter-spacing: -1px; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Code Card */
.hero-visual {
  position: relative;
  animation: fade-up 0.8s 0.2s ease both;
}
.code-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
  position: relative; z-index: 2;
}
.code-card-header {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }
.code-filename {
  font-family: var(--font-code); font-size: 0.8rem;
  color: var(--text-muted); margin-left: 8px;
}
.code-body {
  padding: 24px; font-family: var(--font-code);
  font-size: 0.875rem; line-height: 1.8; overflow-x: auto;
}
code { font-family: var(--font-code); }
.kw { color: #c792ea; }
.var { color: #82aaff; }
.key { color: #89ddff; }
.str { color: #c3e88d; }
.bool { color: #f78c6c; }

.floating-badge {
  position: absolute; background: rgba(9,13,26,0.9);
  border: 1px solid var(--border); border-radius: 100px;
  padding: 8px 16px; font-size: 0.8rem; font-weight: 600;
  backdrop-filter: blur(10px); white-space: nowrap;
  animation: float 4s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.badge-react { top: -20px; right: -30px; animation-delay: 0s; border-color: rgba(97,218,251,0.3); color: #61dafb; }
.badge-node  { bottom: 40px; right: -40px; animation-delay: 1.5s; border-color: rgba(74,184,74,0.3); color: #4ab84a; }
.badge-docker{ bottom: -20px; left: 20px; animation-delay: 0.8s; border-color: rgba(0,151,210,0.3); color: #0097d2; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--text-muted); font-size: 0.75rem; letter-spacing: 2px;
  text-transform: uppercase; animation: fade-up 1s 0.6s ease both;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== ABOUT ===== */
#about { background: var(--bg2); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start;
}
.about-text p {
  color: var(--text-dim); line-height: 1.8; margin-bottom: 20px; font-size: 1.05rem;
}
.about-text strong { color: var(--text); }
.about-links { display: flex; gap: 16px; margin-top: 32px; }
.about-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-dim); text-decoration: none;
  border: 1px solid var(--border); padding: 10px 20px;
  border-radius: 10px; font-size: 0.875rem; font-weight: 500;
  transition: var(--transition);
}
.about-link:hover {
  color: var(--accent); border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.06);
}
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.info-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 20px;
  transition: var(--transition);
}
.info-card:hover {
  border-color: var(--border-glow);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.info-icon { font-size: 1.5rem; }
.info-title { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 1px; }
.info-val { font-size: 0.95rem; font-weight: 600; color: var(--text); }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.skill-category {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: var(--border-glow);
  background: var(--surface-hover);
}
.skill-cat-title {
  font-size: 1rem; font-weight: 700; margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.skill-cat-icon { font-size: 1.2rem; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-tag {
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent); padding: 6px 14px; border-radius: 100px;
  font-size: 0.825rem; font-weight: 500; font-family: var(--font-code);
  transition: var(--transition);
}
.skill-tag:hover {
  background: rgba(99,102,241,0.2); border-color: var(--accent);
  transform: translateY(-1px);
}

/* ===== PROJECTS ===== */
#projects { background: var(--bg2); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition); position: relative;
}
.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(99,102,241,0.15);
}
.project-card.featured {
  border-color: rgba(99,102,241,0.3);
  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(139,92,246,0.04));
}
.project-card-inner { padding: 28px; height: 100%; display: flex; flex-direction: column; }
.project-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.project-number { font-family: var(--font-code); font-size: 0.8rem; color: var(--accent); font-weight: 600; }
.project-links { display: flex; gap: 12px; }
.project-link {
  color: var(--text-muted); transition: color var(--transition);
  display: flex; align-items: center;
}
.project-link:hover { color: var(--accent); }
.project-badge {
  display: inline-block; background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.3); color: var(--accent);
  font-size: 0.7rem; font-weight: 700; padding: 3px 10px;
  border-radius: 100px; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 12px;
}
.project-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.project-desc { color: var(--text-dim); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; flex: 1; }
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.project-tech span {
  font-family: var(--font-code); font-size: 0.75rem;
  color: var(--text-muted); background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); padding: 3px 10px; border-radius: 6px;
}

/* ===== CONTACT ===== */
.contact-sub { color: var(--text-dim); font-size: 1.05rem; max-width: 500px; margin-bottom: 56px; margin-top: -40px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-form-wrap {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-dim); }
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 16px;
  color: var(--text); font-family: var(--font); font-size: 0.9rem;
  transition: var(--transition); resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--accent);
  background: rgba(99,102,241,0.06);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex; align-items: center; gap: 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 20px;
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--border-glow); transform: translateX(4px); }
.contact-icon { font-size: 1.5rem; }
.contact-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-value { color: var(--text); font-weight: 500; text-decoration: none; font-size: 0.95rem; }
.contact-value:hover { color: var(--accent); }

.availability-banner {
  display: flex; align-items: center; gap: 12px;
  background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius-sm); padding: 16px 20px;
  color: var(--green); font-size: 0.875rem; font-weight: 500;
}
.avail-dot {
  width: 8px; height: 8px; background: var(--green);
  border-radius: 50%; flex-shrink: 0;
  animation: pulse-green 2s infinite;
}

/* ===== FOOTER ===== */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-copy { color: var(--text-muted); font-size: 0.875rem; }
.footer-gh {
  color: var(--text-muted); text-decoration: none; font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-gh:hover { color: var(--accent); }

/* ===== ANIMATIONS ===== */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; padding: 80px 32px; }
  .hero-visual { max-width: 480px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .section-inner { padding: 80px 24px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .stat-divider { display: none; }
  .about-cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { letter-spacing: -1px; }
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-ghost { text-align: center; justify-content: center; }
}