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

:root {
  --bg:       #04060f;
  --bg2:      #080c1a;
  --surface:  rgba(255,255,255,0.04);
  --surface2: rgba(255,255,255,0.07);
  --border:   rgba(255,255,255,0.08);
  --text:     #e8edf8;
  --muted:    #6b7a99;
  --accent:   #4f8ef7;
  --accent2:  #7eb3ff;
  --white:    #ffffff;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius:   16px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

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

/* ═══════════════════════════════════════════
   CURSOR
═══════════════════════════════════════════ */
#cur-dot {
  width: 6px; height: 6px;
  background: var(--accent2);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 99999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px var(--accent2);
}
#cur-ring {
  width: 32px; height: 32px;
  border: 1px solid rgba(126,179,255,0.5);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width .3s, height .3s, border-color .3s;
}
body.hovered #cur-ring { width: 48px; height: 48px; border-color: var(--accent2); }

/* ═══════════════════════════════════════════
   SCROLL PROGRESS
═══════════════════════════════════════════ */
#scroll-bar {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2), #a8d4ff);
  z-index: 9999;
  transition: width .1s linear;
  box-shadow: 0 0 8px var(--accent2);
}

/* ═══════════════════════════════════════════
   CANVAS
═══════════════════════════════════════════ */
#canvas-bg {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
}

/* ═══════════════════════════════════════════
   ASTRONAUT
═══════════════════════════════════════════ */
.astronaut-wrap {
  position: fixed;
  z-index: 900;
  pointer-events: none;
  transition: left .9s cubic-bezier(.4,0,.2,1),
              top  .9s cubic-bezier(.4,0,.2,1),
              opacity .5s;
}
.astronaut-svg {
  width: 88px; height: 88px;
  animation: float 3.5s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.5));
  display: block;
}
.speech-bubble {
  position: absolute;
  bottom: 100%; left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: rgba(8,12,26,0.92);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  padding: .7rem 1rem;
  white-space: nowrap;
  font-size: .78rem;
  color: var(--text);
  opacity: 0;
  transition: opacity .4s, transform .4s;
  pointer-events: none;
}
.speech-bubble.show { opacity: 1; transform: translateX(-50%) translateY(-14px); }
.speech-bubble::after {
  content: '';
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(8,12,26,0.92);
}

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 5%;
  transition: background .4s, backdrop-filter .4s;
}
nav.scrolled {
  background: rgba(4,6,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800; font-size: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
.nav-logo span { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.nav-links {
  display: flex; list-style: none; gap: 2.5rem;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: .85rem; font-weight: 500; letter-spacing: .5px;
  transition: color var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent2);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  display: flex; align-items: center; gap: .5rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: .55rem 1.4rem; border-radius: 50px;
  font-family: var(--font-body); font-size: .85rem;
  cursor: none; text-decoration: none;
  transition: all var(--transition);
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 20px rgba(79,142,247,0.2); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: none; background: none; border: none;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  display: block; transition: var(--transition);
}

/* ═══════════════════════════════════════════
   SECTIONS & CONTAINERS
═══════════════════════════════════════════ */
section {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 7rem 0;
}
.container { max-width: 1160px; margin: 0 auto; padding: 0 5%; width: 100%; }

/* SECTION LABELS */
.sec-label {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .72rem; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 1.2rem;
}
.sec-label::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -1px; color: var(--white);
  margin-bottom: 1rem;
}
.sec-title span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .8rem 2rem; border-radius: 50px;
  font-family: var(--font-body); font-weight: 500; font-size: .9rem;
  cursor: none; text-decoration: none;
  transition: all var(--transition);
  position: relative; overflow: hidden;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6fa8ff);
  color: #fff;
  box-shadow: 0 0 24px rgba(79,142,247,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(79,142,247,0.5); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent2); color: var(--accent2); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
#hero { padding-top: 80px; overflow: hidden; min-height: 100vh; }
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 4rem;
  width: 100%; max-width: 1160px;
  margin: 0 auto; padding: 6rem 5%;
}
.hero-left { opacity: 0; transform: translateY(30px); animation: fadeUp .9s .3s forwards; }
.hero-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.25);
  color: var(--accent2);
  padding: .35rem 1rem; border-radius: 50px;
  font-size: .78rem; font-weight: 500; letter-spacing: .5px;
  margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: ''; width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
.hero-greeting {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -2px; margin-bottom: 1.2rem;
  color: var(--white);
  display: inline-block;
  will-change: transform;
}
.hero-greeting em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 60%, #a8d4ff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 600;
  color: var(--muted); margin-bottom: 1rem; letter-spacing: .5px;
}
#typed-text { color: var(--accent2); }
.typed-cursor { animation: blink 1s step-end infinite; color: var(--accent); }
.hero-desc { color: var(--muted); font-size: .95rem; line-height: 1.75; max-width: 420px; margin-bottom: 2.2rem; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-right {
  position: relative;
  display: flex; justify-content: center; align-items: center;
  opacity: 0; animation: fadeIn 1.2s .5s forwards;
}
#earth-canvas {
  width: 480px; height: 480px; border-radius: 50%;
  position: relative; z-index: 2;
  filter: drop-shadow(0 0 60px rgba(79,142,247,0.25));
}
.earth-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(79,142,247,0.12);
  animation: spin 20s linear infinite; pointer-events: none;
}
.earth-ring:nth-child(1) { width: 560px; height: 560px; animation-direction: reverse; animation-duration: 28s; }
.earth-ring:nth-child(2) { width: 640px; height: 640px; animation-duration: 40s; border-color: rgba(79,142,247,0.06); }

/* ═══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-text p { color: var(--muted); font-size: .95rem; line-height: 1.8; margin-bottom: 1rem; }
.about-text p strong { color: var(--text); font-weight: 500; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem;
  transition: border-color var(--transition), background var(--transition);
}
.stat-card:hover { border-color: rgba(79,142,247,0.3); background: var(--surface2); }
.stat-num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--accent2); line-height: 1; margin-bottom: .3rem; }
.stat-label { font-size: .78rem; color: var(--muted); }
.about-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem;
  position: relative; overflow: hidden;
}
.about-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top right, rgba(79,142,247,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.exp-row { display: flex; align-items: flex-start; gap: .9rem; padding: .9rem 0; border-bottom: 1px solid var(--border); }
.exp-row:last-of-type { border-bottom: none; }
.exp-icon { width: 36px; height: 36px; min-width: 36px; background: rgba(79,142,247,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.exp-title { font-size: .88rem; font-weight: 500; color: var(--text); margin-bottom: .15rem; }
.exp-sub { font-size: .75rem; color: var(--muted); }
.skills-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.skill-tag {
  background: rgba(79,142,247,0.1); border: 1px solid rgba(79,142,247,0.2);
  color: var(--accent2); padding: .3rem .85rem; border-radius: 50px;
  font-size: .75rem; font-weight: 500; font-family: var(--font-display);
  transition: all .2s;
}
.skill-tag:hover { background: rgba(79,142,247,0.2); transform: translateY(-1px); }

/* ═══════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════ */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem;
  position: relative; overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: none;
}
.project-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(79,142,247,0.07) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--transition);
}
.project-card:hover::before { opacity: 1; }
.project-card:hover { transform: translateY(-5px); border-color: rgba(79,142,247,0.3); box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.project-num { font-family: var(--font-display); font-size: .7rem; font-weight: 700; color: var(--accent); letter-spacing: 2px; margin-bottom: 1rem; }
.project-card h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--white); margin-bottom: .6rem; }
.project-card p { color: var(--muted); font-size: .85rem; line-height: 1.7; margin-bottom: 1.2rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem; }
.p-tag { background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--muted); padding: .2rem .7rem; border-radius: 4px; font-size: .72rem; font-family: var(--font-display); }
.project-links { display: flex; gap: .8rem; }
.p-link { color: var(--muted); font-size: .78rem; text-decoration: none; display: flex; align-items: center; gap: .3rem; transition: color .2s; }
.p-link:hover { color: var(--accent2); }
.project-card.featured { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.project-visual { height: 180px; background: linear-gradient(135deg, rgba(79,142,247,0.1), rgba(126,179,255,0.05)); border-radius: 12px; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 3.5rem; }

/* ═══════════════════════════════════════════
   SKILLS
═══════════════════════════════════════════ */
.skills-outer { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.skill-group { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 1.8rem; transition: border-color var(--transition); }
.skill-group:hover { border-color: rgba(79,142,247,0.25); }
.sg-title { font-family: var(--font-display); font-size: .85rem; font-weight: 700; color: var(--accent2); letter-spacing: .5px; margin-bottom: 1.5rem; display: flex; align-items: center; gap: .6rem; }
.skill-item-row { margin-bottom: 1rem; }
.si-top { display: flex; justify-content: space-between; margin-bottom: .4rem; }
.si-name { font-size: .82rem; color: var(--text); }
.si-pct { font-size: .75rem; color: var(--muted); }
.si-bar { height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; }
.si-fill { height: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); width: 0%; transition: width 1.2s cubic-bezier(.4,0,.2,1); }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.contact-desc { color: var(--muted); font-size: .95rem; line-height: 1.8; margin-bottom: 2rem; }
.contact-links { display: flex; flex-direction: column; gap: .8rem; }
.c-link { display: flex; align-items: center; gap: .8rem; color: var(--muted); text-decoration: none; font-size: .88rem; transition: color .2s; padding: .5rem 0; border-bottom: 1px solid var(--border); }
.c-link:hover { color: var(--accent2); }
.c-icon { width: 32px; height: 32px; min-width: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: .85rem; transition: background .2s, border-color .2s; }
.c-link:hover .c-icon { background: rgba(79,142,247,0.1); border-color: rgba(79,142,247,0.3); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .78rem; color: var(--muted); font-weight: 500; letter-spacing: .3px; }
.form-group input,
.form-group textarea {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  padding: .85rem 1.1rem; font-family: var(--font-body); font-size: .9rem;
  outline: none; resize: vertical;
  transition: border-color .25s, box-shadow .25s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: rgba(79,142,247,0.5); box-shadow: 0 0 0 3px rgba(79,142,247,0.08); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); opacity: .7; }
.form-submit { align-self: flex-start; }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
footer {
  position: relative; z-index: 1;
  text-align: center; padding: 2.5rem 5%;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: .8rem;
}

/* ═══════════════════════════════════════════
   REVEAL ANIMATIONS
═══════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ═══════════════════════════════════════════
   KEYFRAMES
═══════════════════════════════════════════ */
@keyframes fadeUp  { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn  { from{opacity:0} to{opacity:1} }
@keyframes float   { 0%,100%{transform:translateY(0) rotate(-2deg)} 50%{transform:translateY(-12px) rotate(2deg)} }
@keyframes pulse   { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }
@keyframes spin    { from{transform:rotate(0)} to{transform:rotate(360deg)} }
@keyframes blink   { 0%,100%{opacity:1} 50%{opacity:0} }
@keyframes ripple-exp { from{transform:scale(0);opacity:1} to{transform:scale(1);opacity:0} }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 5rem 5% 3rem; }
  .hero-right { display: none; }
  .about-grid, .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .skills-outer { grid-template-columns: 1fr 1fr; }
  .project-card.featured { grid-column: span 1; grid-template-columns: 1fr; }
  .project-visual { display: none; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 600px) {
  .skills-outer { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .hero-btns { flex-direction: column; width: fit-content; }
  #cur-dot, #cur-ring { display: none; }
  body { cursor: auto; }
}