/* ═══════════════════════════════════════════
   PORTFOLIO v2 — GitHub Dark Theme
   Colors: #0d1117 bg, #0A84FF accent, #c9d1d9 text
   Font:   JetBrains Mono (code), Inter (body)
   ═══════════════════════════════════════════ */

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

:root {
  --bg:        #0d1117;
  --bg-card:   #161b22;
  --bg-hover:  #1c2129;
  --border:    #30363d;
  --accent:    #0A84FF;
  --accent-dim:#0a84ff33;
  --text:      #c9d1d9;
  --text-dim:  #8b949e;
  --text-bright:#f0f6fc;
  --green:     #3fb950;
  --red:       #f85149;
  --yellow:    #d29922;
  --mono:      'JetBrains Mono', 'Fira Code', monospace;
  --sans:      'Inter', -apple-system, sans-serif;
  --max-w:     1100px;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border) var(--bg);
}

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

::selection { background: var(--accent); color: #fff; }

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--text-bright); }

img { max-width: 100%; display: block; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  background: rgba(13,17,23,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, padding .3s;
}
.nav.scrolled { border-color: var(--border); padding: 12px 32px; }

.nav__logo {
  font-family: var(--mono); font-weight: 700; font-size: 20px;
  color: var(--text-bright); text-decoration: none;
}
.brace { color: var(--accent); }

.nav__links { display: flex; gap: 28px; }
.nav__links a {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  color: var(--text-dim); text-decoration: none; position: relative;
  transition: color .2s;
}
.nav__links a:hover, .nav__links a.active { color: var(--accent); }
.nav__links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width .3s;
}
.nav__links a:hover::after, .nav__links a.active::after { width: 100%; }

.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__burger span {
  width: 24px; height: 2px; background: var(--text);
  transition: transform .3s, opacity .3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── HERO ─── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; position: relative;
  padding: 120px 32px 80px;
}

.hero__canvas {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none; opacity: .25;
}

.hero__content { position: relative; z-index: 1; text-align: center; max-width: 720px; }

.hero__label {
  font-family: var(--mono); font-size: 15px; color: var(--accent);
  margin-bottom: 12px; letter-spacing: 1px;
}

.hero__name {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(36px, 7vw, 64px);
  color: var(--text-bright); line-height: 1.1; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-bright) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__typing {
  font-family: var(--mono); font-size: clamp(16px, 3vw, 22px);
  color: var(--text-dim); min-height: 34px; margin-bottom: 24px;
}
.caret {
  animation: blink .8s step-end infinite; color: var(--accent);
  font-weight: 300;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__bio {
  font-size: 16px; color: var(--text-dim); line-height: 1.8;
  margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto;
}

.hero__cta { display: flex; gap: 16px; justify-content: center; margin-bottom: 40px; }

.hero__socials { display: flex; gap: 20px; justify-content: center; }
.hero__socials a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); color: var(--text-dim);
  transition: all .25s;
}
.hero__socials a:hover {
  color: var(--accent); border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px var(--accent-dim);
}
.hero__socials svg { width: 18px; height: 18px; fill: currentColor; }

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); text-align: center;
}
.hero__scroll span {
  font-family: var(--mono); font-size: 11px; color: var(--text-dim);
  letter-spacing: 2px; text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 40px; background: var(--border);
  margin: 8px auto 0; position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: ''; position: absolute; top: -40px; left: 0;
  width: 1px; height: 40px; background: var(--accent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown { 0% { top: -40px; } 100% { top: 40px; } }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 14px; font-weight: 500;
  padding: 12px 28px; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent; transition: all .25s;
  text-decoration: none;
}
.btn--primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn--primary:hover {
  background: transparent; color: var(--accent);
  box-shadow: 0 0 20px var(--accent-dim);
}
.btn--ghost {
  background: transparent; color: var(--text); border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--sm { padding: 8px 18px; font-size: 13px; }
.btn--lg { padding: 16px 36px; font-size: 15px; }

/* ─── DIVIDER ─── */
.divider { padding: 0 24px; max-width: var(--max-w); margin: 0 auto; }
.divider__line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .3;
}

/* ─── SECTION ─── */
.section { padding: 100px 0; }

.section__heading {
  font-family: var(--mono); font-size: clamp(20px, 4vw, 28px);
  color: var(--text-bright); margin-bottom: 48px;
}
.hash { color: var(--accent); margin-right: 8px; }

.sub-heading {
  font-family: var(--mono); font-size: 20px; color: var(--text-bright);
}

/* ─── ABOUT ─── */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about__text p { margin-bottom: 16px; color: var(--text-dim); font-size: 15px; }
.about__text strong { color: var(--text-bright); }

.terminal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
}
.terminal__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: #1c2129; border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot--red { background: var(--red); }
.dot--yellow { background: var(--yellow); }
.dot--green { background: var(--green); }
.terminal__title {
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
  margin-left: auto;
}
.terminal__body {
  padding: 20px; font-family: var(--mono); font-size: 13px;
  line-height: 1.8;
}
.terminal__body p { color: var(--text-dim); margin-bottom: 8px; }
.prompt { color: var(--green); margin-right: 8px; }
pre { white-space: pre-wrap; }
code { color: var(--text); }
.json-key { color: #79c0ff; }
.json-val { color: #a5d6ff; }
.json-bool { color: #ff7b72; }

/* ─── SKILLS GRID ─── */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 28px; transition: all .3s;
}
.skill-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 30px var(--accent-dim);
  transform: translateY(-4px);
}
.skill-card__head { margin-bottom: 12px; }
.skill-card__head h3 {
  font-family: var(--mono); font-size: 16px; font-weight: 600;
  color: var(--text-bright); margin-bottom: 4px;
}
.skill-card__sub {
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
  font-style: italic;
}
.skill-card p { font-size: 14px; color: var(--text-dim); margin-bottom: 16px; line-height: 1.6; }

.skill-card__icons { margin-bottom: 16px; }
.skill-card__icons img { height: 40px; }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  padding: 4px 10px; border-radius: 20px;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(10,132,255,.15);
}

/* ─── PROJECTS ─── */
.project-featured {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px;
  align-items: center; margin-bottom: 60px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.project-featured__img {
  background: linear-gradient(135deg, #161b22 0%, #0d2137 100%);
  display: flex; align-items: center; justify-content: center;
  min-height: 300px; padding: 40px;
}
.project-featured__placeholder {
  color: var(--accent); opacity: .4; width: 160px;
}
.project-featured__info { padding: 32px 32px 32px 0; }
.project-featured__label {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px;
}
.project-featured__info h3 {
  font-family: var(--mono); font-size: 24px; font-weight: 700;
  color: var(--text-bright); margin-bottom: 12px;
}
.project-featured__info p { font-size: 15px; color: var(--text-dim); margin-bottom: 20px; line-height: 1.7; }
.project-featured__links { display: flex; gap: 12px; margin-top: 20px; }

.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 28px; transition: all .3s;
  display: flex; flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent); transform: translateY(-4px);
  box-shadow: 0 4px 30px var(--accent-dim);
}
.project-card__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
}
.folder-icon { width: 36px; height: 36px; color: var(--accent); }
.external-link {
  width: 20px; height: 20px; color: var(--text-dim);
  transition: color .2s;
}
.external-link:hover { color: var(--accent); }
.project-card h4 {
  font-family: var(--mono); font-size: 16px; font-weight: 600;
  color: var(--text-bright); margin-bottom: 10px;
}
.project-card p { font-size: 14px; color: var(--text-dim); margin-bottom: 20px; flex: 1; line-height: 1.6; }

/* ─── TIMELINE ─── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 1px; background: var(--border);
}

.tl-item { position: relative; margin-bottom: 40px; }
.tl-dot {
  position: absolute; left: -32px; top: 6px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
  z-index: 1;
}
.tl-item:first-child .tl-dot {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-dim);
}

.tl-date {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  margin-bottom: 4px;
}
.tl-content h4 {
  font-family: var(--mono); font-size: 17px; font-weight: 600;
  color: var(--text-bright); margin-bottom: 4px;
}
.tl-company { font-size: 14px; color: var(--text-dim); display: block; margin-bottom: 10px; }
.tl-content p { font-size: 14px; color: var(--text-dim); line-height: 1.7; }

/* ─── CONTACT ─── */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact__text p { font-size: 16px; color: var(--text-dim); margin-bottom: 28px; line-height: 1.8; }

.contact__info { display: flex; flex-direction: column; gap: 20px; }
.contact__row { display: flex; flex-direction: column; gap: 4px; }
.contact__label {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 1px;
}
.contact__row a, .contact__row span { color: var(--text-dim); font-size: 15px; }
.contact__row a:hover { color: var(--accent); }

.contact__socials { display: flex; gap: 16px; margin-top: 8px; }
.contact__socials a {
  font-family: var(--mono); font-size: 13px; color: var(--text-dim);
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 6px;
  transition: all .2s;
}
.contact__socials a:hover { border-color: var(--accent); color: var(--accent); }

/* ─── FOOTER ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0; text-align: center;
}
.footer p { font-family: var(--mono); font-size: 13px; color: var(--text-dim); }
.footer__copy { margin-top: 8px; font-size: 12px; color: #484f58; }

/* ─── ANIMATIONS ─── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  animation: fadeUp .7s ease forwards;
  animation-delay: var(--d, 0s);
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.slide-in {
  opacity: 0; transform: translateY(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.slide-in.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(13,17,23,.97); padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }
  .nav__burger { display: flex; }

  .about { grid-template-columns: 1fr; }
  .project-featured { grid-template-columns: 1fr; }
  .project-featured__info { padding: 24px; }
  .project-featured__img { min-height: 200px; }
  .contact { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .hero { padding: 100px 20px 60px; }
  .hero__bio br.hide-mobile { display: none; }
  .hero__scroll { display: none; }
  .nav { padding: 14px 20px; }
  .section { padding: 70px 0; }
}

@media (max-width: 480px) {
  .hero__cta { flex-direction: column; align-items: center; }
  .hero__socials { flex-wrap: wrap; justify-content: center; }
  .project-featured__links { flex-direction: column; }
}