/* =============================================
   Milan Yadav — Portfolio Stylesheet
   style.css
   ============================================= */

:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #181818;
  --accent: #79d7ff;
  --accent2: #ff6b35;
  --text: #f0ede8;
  --muted: #888;
  --border: rgba(255,255,255,0.08);
  --card: #151515;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

/* ── Custom Cursor ─────────────────────────── */
.cursor {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transition: transform 0.15s ease;
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transition: all 0.3s ease;
  opacity: 0.5;
}
.cursor.clicked { transform: scale(2); }
.cursor-ring.hovered { width: 56px; height: 56px; opacity: 0.2; }

/* ── Noise Overlay ─────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: 0.4;
}

/* ── Navigation ────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 4rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10,10,10,0.7);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-decoration: none;
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 0.5rem 1.5rem;
  background: var(--accent);
  color: #000;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none; cursor: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--accent2); }

/* ── Hero ──────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 4rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(232,255,71,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,255,71,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 900px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
}
.hero-tag span {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(5rem, 14vw, 12rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.hero-name .accent { color: var(--accent); }

.hero-title {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--muted);
  margin-bottom: 2rem;
}
.hero-desc {
  max-width: 520px;
  color: rgba(240,237,232,0.6);
  font-size: 0.875rem;
  line-height: 1.8;
  margin-bottom: 3rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  padding: 0.875rem 2.5rem;
  background: var(--accent);
  color: #000;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none; text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: none;
}
.btn-primary:hover { transform: translate(-3px,-3px); box-shadow: 5px 5px 0 var(--accent2); }

.btn-ghost {
  padding: 0.875rem 2.5rem;
  background: transparent;
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
  cursor: none;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-scroll {
  position: absolute; bottom: 3rem; right: 4rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--muted); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-stats {
  position: absolute; right: 4rem; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 2rem;
}
.stat { text-align: right; }
.stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }

/* ── Sections ──────────────────────────────── */
section { padding: 6rem 4rem; position: relative; z-index: 1; }
.section-header { margin-bottom: 4rem; }
.section-num {
  font-size: 0.65rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.5rem;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0.02em;
}
.section-line {
  width: 60px; height: 2px;
  background: var(--accent);
  margin-top: 1rem;
}

/* ── About ─────────────────────────────────── */
#about { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.about-text p { color: rgba(240,237,232,0.7); margin-bottom: 1.5rem; font-size: 0.9rem; line-height: 1.9; }
.about-text .highlight { color: var(--accent); font-style: italic; }
.about-sidebar { display: flex; flex-direction: column; gap: 2rem; }
.info-item { border-left: 2px solid var(--accent); padding-left: 1rem; }
.info-label { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.25rem; }
.info-value { color: var(--text); font-size: 0.875rem; }

/* ── Projects ──────────────────────────────── */
#projects { background: var(--bg); }
.filter-bar {
  display: flex; gap: 0.75rem; flex-wrap: wrap;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.4rem 1.25rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: none;
  transition: all 0.2s;
}
.filter-btn.active,
.filter-btn:hover { background: var(--accent); color: #000; border-color: var(--accent); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5px;
  background: var(--border);
}
.project-card {
  background: var(--card);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
  cursor: none;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.project-card:hover { background: #1a1a1a; }
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover .project-arrow { transform: translate(4px, -4px); color: var(--accent); }

.project-tag {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  background: rgba(232,255,71,0.08);
  color: var(--accent);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(232,255,71,0.15);
}
.project-title {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}
.project-desc { color: var(--muted); font-size: 0.825rem; line-height: 1.8; margin-bottom: 2rem; }
.project-stack { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem; }
.stack-tag {
  padding: 0.2rem 0.6rem;
  background: var(--bg3);
  color: var(--muted);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
}
.project-links { display: flex; justify-content: space-between; align-items: center; }
.project-link {
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  transition: color 0.2s;
}
.project-link:hover { color: var(--accent); }
.project-arrow { font-size: 1.2rem; transition: all 0.3s; }

/* ── Skills ────────────────────────────────── */
#skills { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.skills-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; }
.skill-category { margin-bottom: 3rem; }
.skill-category-title {
  font-size: 0.65rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 1rem;
}
.skill-category-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.skill-item { margin-bottom: 1.25rem; }
.skill-meta { display: flex; justify-content: space-between; margin-bottom: 0.4rem; }
.skill-name { font-size: 0.825rem; color: var(--text); }
.skill-pct { font-size: 0.7rem; color: var(--accent); }
.skill-bar { height: 2px; background: var(--bg3); position: relative; overflow: hidden; }
.skill-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.tech-cloud { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.tech-pill {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  transition: all 0.2s;
  cursor: none;
}
.tech-pill:hover { border-color: var(--accent); color: var(--accent); background: rgba(232,255,71,0.05); }

/* ── Contact ───────────────────────────────── */
#contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 6rem; }
.contact-info p { color: var(--muted); font-size: 0.875rem; line-height: 1.9; margin-bottom: 2.5rem; }
.contact-links { display: flex; flex-direction: column; gap: 1rem; }
.contact-link {
  display: flex; align-items: center; gap: 1rem;
  text-decoration: none; color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem 1.5rem;
  border: 1px solid var(--border);
  transition: all 0.25s;
}
.contact-link:hover { border-color: var(--accent); color: var(--text); background: rgba(232,255,71,0.04); }
.contact-link-icon { font-size: 1.1rem; color: var(--accent); width: 20px; }

/* ── Form ──────────────────────────────────── */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-label { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.form-input,
.form-textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 0.875rem;
  padding: 0.875rem 1.25rem;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
  cursor: none;
}
.form-input:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-textarea { min-height: 140px; }
.form-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.875rem;
  padding: 0.875rem 1.25rem;
  outline: none;
  transition: border-color 0.2s;
  cursor: none;
  appearance: none;
}
.form-select:focus { border-color: var(--accent); }
.form-select option { background: var(--bg3); }
.form-submit {
  padding: 1rem 2.5rem;
  background: var(--accent);
  color: #000;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  cursor: none;
  transition: all 0.25s;
  align-self: flex-start;
  position: relative;
  overflow: hidden;
}
.form-submit:hover { transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--accent2); }
.form-submit.loading { opacity: 0.6; pointer-events: none; }
.form-status {
  padding: 0.75rem 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  display: none;
}
.form-status.success { background: rgba(99,153,34,0.1); border: 1px solid rgba(99,153,34,0.3); color: #97c459; display: block; }
.form-status.error   { background: rgba(226,75,74,0.1); border: 1px solid rgba(226,75,74,0.3); color: #f09595; display: block; }

/* ── Footer ────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg2);
}
.footer-text { font-size: 0.7rem; letter-spacing: 0.1em; color: var(--muted); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.7rem; letter-spacing: 0.1em; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ── Scroll Reveal Animations ──────────────── */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Mobile Responsive ─────────────────────── */
@media (max-width: 900px) {
  nav { padding: 1.25rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 5rem 1.5rem; }
  #hero { padding: 7rem 1.5rem 4rem; }
  .hero-stats { display: none; }
  .about-grid,
  .skills-layout,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
  .hero-scroll { display: none; }
}