/* ═══════════════════════════════════════
   PORTFOLIO — Cinematic UI
   Theme: neon-green (#00f5a0) + blue (#00b4f5)
   Fonts: Space Mono (body) + Syne (headings)
   ═══════════════════════════════════════ */

:root {
  --bg:          #080b10;
  --surface:     #0e1420;
  --border:      #1c2536;
  --accent:      #00f5a0;
  --accent2:     #00b4f5;
  --text:        #e8edf5;
  --muted:       #5a6a80;
  --glow:        0 0 24px rgba(0,245,160,.32);
  --glow2:       0 0 24px rgba(0,180,245,.28);
  --card-glow:   0 8px 32px rgba(0,245,160,.08);
  --radius:      8px;
  --radius-lg:   14px;
  --t:           .28s cubic-bezier(.4,0,.2,1);
  --t-fast:      .16s cubic-bezier(.4,0,.2,1);
  --t-spring:    .45s cubic-bezier(.175,.885,.32,1.275);
  /* 3D tilt custom props — set by JS */
  --rx: 0deg;
  --ry: 0deg;
}

/* ─── RESET ──────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }

/* ─── BASE ───────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  overflow-x: hidden;
  line-height: 1.6;
}

/* subtle noise grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' 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: 9999;
  opacity: .3;
}

/* faint dot-grid */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,160,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,160,.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ─── SCROLL PROGRESS BAR ────────────── */
#scrollProgress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: 9998;
  transition: width .08s linear;
  box-shadow: 0 0 8px rgba(0,245,160,.4);
}

/* ─── CURSOR GLOW (desktop) ──────────── */
#cursorGlow {
  position: fixed;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,160,.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%,-50%);
  opacity: 0;
  transition: opacity .4s ease;
  will-change: transform;
}
#cursorGlow.active { opacity: 1; }

/* ─── TYPOGRAPHY ─────────────────────── */
h1,h2,h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.05;
}
a { color: inherit; text-decoration: none; }

/* ─── FOCUS-VISIBLE for keyboard a11y ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ─── LAYOUT ─────────────────────────── */
.container { max-width: 1080px; margin: 0 auto; }

section {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ─── SECTION LABEL ──────────────────── */
.section-label {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .6rem;
}
.section-label::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 3rem;
}

/* ─── BUTTONS ────────────────────────── */
.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  font-family: 'Space Mono', monospace;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}

/* ripple flash on click */
.btn-primary::after,
.btn-outline::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.18);
  transform: scale(0);
  border-radius: inherit;
  transition: transform .35s cubic-bezier(.4,0,.2,1), opacity .35s;
  opacity: 0;
}
.btn-primary:active::after,
.btn-outline:active::after {
  transform: scale(3);
  opacity: 1;
  transition: none;
}

/* magnetic pull — offset set by JS */
.magnetic {
  transition: transform var(--t-spring);
}
.magnetic:hover {
  transform: translate(var(--mx, 0), var(--my, 0));
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
}
.btn-primary:hover {
  box-shadow: var(--glow);
  transform: translateY(-3px);
}
.btn-primary:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent2);
  color: var(--accent2);
  transform: translateY(-3px);
}

.btn-full { width: 100%; justify-content: center; }

/* ─── TAGS ───────────────────────────── */
.tag {
  display: inline-block;
  font-size: .63rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .22rem .6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  transition: all var(--t-fast);
}
.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ═══════════════════════════════════════
   NAV — glassmorphic sticky bar
   ═══════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8,11,16,.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--t), background var(--t);
}
nav.scrolled {
  border-bottom-color: rgba(0,245,160,.2);
  background: rgba(8,11,16,.92);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent);
}
.nav-logo span { color: var(--text); }

.nav-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  flex-shrink: 0;
  transition: box-shadow var(--t);
}
.nav-logo:hover .nav-logo-img {
  box-shadow: 0 0 12px rgba(0,245,160,.3);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--t);
}
/* elastic underline */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-spring);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }
/* active section highlight */
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: .5rem 1.2rem;
  font-family: 'Space Mono', monospace;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--t);
}
.nav-cta:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: var(--glow);
  transform: translateY(-2px);
}

/* hamburger — mobile only */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform var(--t), opacity var(--t);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  z-index: 1;
  overflow: hidden;
}

/* cinematic radial light behind hero */
#hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(0,245,160,.06) 0%, transparent 65%);
  pointer-events: none;
  animation: slowPulse 10s ease-in-out infinite alternate;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .4rem 1rem;
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  animation: blurIn .7s ease both;
  transition: border-color var(--t);
}
.hero-badge:hover { border-color: var(--accent); }

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease infinite;
  flex-shrink: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: 1.5rem;
  animation: blurIn .7s .1s ease both;
}
h1 .line1 { display: block; color: var(--text); }
h1 .line2 {
  display: block;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  animation: blurIn .7s .2s ease both;
}
.hero-desc strong {
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: blurIn .7s .3s ease both;
}

.exploring-badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(0,180,245,.08);
  border: 1px solid rgba(0,180,245,.25);
  border-radius: var(--radius);
  padding: .5rem 1rem;
  font-size: .72rem;
  color: var(--accent2);
  letter-spacing: .1em;
  margin-top: 1.5rem;
  animation: blurIn .7s .4s ease both;
  transition: border-color var(--t), box-shadow var(--t);
}
.exploring-badge:hover {
  border-color: rgba(0,180,245,.5);
  box-shadow: var(--glow2);
}

.pulse-b {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  animation: blink 2s ease infinite;
  flex-shrink: 0;
}

/* floating info card — desktop ≥1100px */
.hero-card {
  position: absolute;
  right: 4rem;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(14,20,32,.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  width: 240px;
  animation: float 6s ease-in-out infinite, blurIn .8s .5s ease both;
  display: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.hero-card:hover {
  border-color: rgba(0,245,160,.3);
  box-shadow: var(--card-glow);
}
@media (min-width: 1100px) { .hero-card { display: block; } }

.hc-label {
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hc-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .6rem 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
}
.hc-stat:last-child { border-bottom: none; }
.hc-stat:hover { background: rgba(0,245,160,.03); }
.hc-stat .l { font-size: .7rem; color: var(--muted); }
.hc-stat .v { font-size: .8rem; font-weight: 700; color: var(--accent); }

/* ═══════════════════════════════════════
   STATS ROW
   ═══════════════════════════════════════ */
.stats-wrap {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.stat-item {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: background var(--t);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(0,245,160,.02); }

/* gradient underline on hover */
.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.stat-item:hover::before { transform: scaleX(1); }

.stat-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2.8rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: .4rem;
  letter-spacing: -.04em;
  will-change: contents;
  transition: transform var(--t);
}
/* pop animation class applied by JS */
.stat-num.pop {
  animation: scalePop .35s cubic-bezier(.175,.885,.32,1.275);
}
.stat-label {
  font-size: .7rem;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-cat {
  background: rgba(14,20,32,.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: border-color var(--t), box-shadow var(--t), transform .35s cubic-bezier(.25,.46,.45,.94);
  transform-style: preserve-3d;
  perspective: 800px;
}
.skill-cat:hover {
  border-color: var(--accent);
  box-shadow: var(--card-glow);
}
/* 3D tilt driven by JS custom props */
.skill-cat[data-tilt]:hover {
  transform: perspective(800px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-4px);
}

.skill-cat-head {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.5rem;
}

.sk-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,245,160,.08);
  border: 1px solid rgba(0,245,160,.2);
  border-radius: var(--radius);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform var(--t), box-shadow var(--t);
}
.skill-cat:hover .sk-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 16px rgba(0,245,160,.15);
}

.sk-cat-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: .95rem;
}

.sk-bars { display: flex; flex-direction: column; gap: .9rem; }

.sk-bar-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: .3rem;
}
.sk-name { font-size: .72rem; color: var(--muted); }
.sk-pct  { font-size: .72rem; color: var(--accent); font-weight: 700; }

.bar-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
  will-change: width;
  position: relative;
}
/* shimmer sweep on bars */
.bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.18) 50%, transparent 100%);
  animation: shimmer 2s 1.3s ease-in-out 1;
}

/* tech pill cloud */
/* tech cloud wrapper — replaces inline styles */
.tech-cloud-wrap { margin-top: 3rem; }
.tech-cloud-label { margin-bottom: 1rem; }

.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}
.tech-pill {
  font-size: .7rem;
  letter-spacing: .08em;
  padding: .4rem .9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  text-transform: uppercase;
  transition: all var(--t);
  cursor: default;
}
.tech-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 12px rgba(0,245,160,.1);
}

/* ═══════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════ */

/* GitHub status badge */
.gh-status {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(0,245,160,.06);
  border: 1px solid rgba(0,245,160,.18);
  border-radius: 999px;
  padding: .4rem 1rem;
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .1em;
  margin-bottom: 1.5rem;
}
.gh-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease infinite;
}
.gh-status.error            { border-color: rgba(255,80,80,.3); }
.gh-status.error .gh-dot    { background: #ff5050; animation: none; }
.gh-status.ready            { border-color: rgba(0,245,160,.3); }
.gh-status.ready .gh-dot    { animation: none; }

/* topic filter buttons */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
}
.filter-btn {
  font-family: 'Space Mono', monospace;
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--t);
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,245,160,.06);
}

/* skeleton loading */
.loading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.skeleton-card {
  height: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.04) 50%, transparent 100%);
  animation: shimmer 1.4s infinite;
}

.empty-state {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.8;
}
.empty-state span { font-size: 2rem; display: block; margin-bottom: 1rem; }
.empty-state a    { color: var(--accent); }

/* project card grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: transform .35s cubic-bezier(.25,.46,.45,.94), border-color var(--t), box-shadow var(--t);
  will-change: transform;
  transform-style: preserve-3d;
  perspective: 800px;
}

/* gradient top-border */
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.project-card:hover {
  border-color: rgba(0,245,160,.3);
  box-shadow: var(--card-glow);
}
.project-card[data-tilt]:hover {
  transform: perspective(800px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);
}
.project-card:hover::before { transform: scaleX(1); }

.proj-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.proj-num   { font-size: .65rem; color: var(--muted); letter-spacing: .15em; }
.proj-stars { display: flex; align-items: center; gap: .3rem; font-size: .68rem; color: var(--muted); }
.proj-stars .star { color: #f5c518; }

.proj-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: .8rem;
  word-break: break-word;
}
.proj-desc {
  flex: 1;
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}
.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1.5rem;
}
.proj-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  flex-wrap: wrap;
  gap: .4rem;
}

.proj-link {
  font-size: .72rem;
  color: var(--accent);
  letter-spacing: .1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: gap var(--t), color var(--t);
}
.proj-link:hover { gap: .8rem; }

.proj-link--detail {
  color: var(--accent2);
  border: 1px solid rgba(0,180,245,.3);
  border-radius: 4px;
  padding: .2rem .6rem;
  font-size: .68rem;
}
.proj-link--detail:hover {
  background: rgba(0,180,245,.08);
  gap: .4rem;
}

.proj-updated { font-size: .62rem; color: var(--muted); }

/* ═══════════════════════════════════════
   EDUCATION
   ═══════════════════════════════════════ */
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid transparent;
  transition: border-color var(--t), transform .35s cubic-bezier(.25,.46,.45,.94), box-shadow var(--t);
  transform-style: preserve-3d;
  perspective: 800px;
}
.edu-card:hover {
  border-color: var(--accent);
  border-left-color: var(--accent);
  box-shadow: var(--card-glow);
}
.edu-card[data-tilt]:hover {
  transform: perspective(800px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-4px);
}

.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}

.edu-degree { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.05rem; margin-bottom: .3rem; }
.edu-school { font-size: .78rem; color: var(--accent); }
.edu-year   { font-size: .7rem; color: var(--muted); white-space: nowrap; }
.edu-desc   { font-size: .78rem; color: var(--muted); line-height: 1.75; }
.edu-tags   { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }

/* ═══════════════════════════════════════
   BLOGS
   ═══════════════════════════════════════ */
.blog-card-cat {
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  border: 1px solid;
  border-radius: 999px;
  padding: .22rem .6rem;
  display: inline-block;
  width: fit-content;
  margin-bottom: .9rem;
}
.bcat-green { color: var(--accent); border-color: rgba(0,245,160,.3); }
.bcat-blue  { color: var(--accent2); border-color: rgba(0,180,245,.3); }

.blog-featured {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  margin-bottom: 1.5rem;
}
.blog-featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.blog-featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,160,.04) 0%, transparent 55%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t);
}
.blog-featured:hover {
  border-color: rgba(0,245,160,.35);
  transform: translateY(-4px);
  box-shadow: var(--card-glow);
}
.blog-featured:hover::before { transform: scaleX(1); }
.blog-featured:hover::after  { opacity: 1; }

.bf-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(7rem, 16vw, 11rem);
  line-height: 1;
  color: rgba(0,245,160,.07);
  letter-spacing: -.06em;
  padding: 3rem 2rem 3rem 3rem;
  user-select: none;
  flex-shrink: 0;
  transition: color .4s;
  border-right: 1px solid var(--border);
}
.blog-featured:hover .bf-num { color: rgba(0,245,160,.15); }

.bf-body { padding: 2.5rem 3rem; }

.bf-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: .8rem 0 1rem;
  color: var(--text);
}

.bf-excerpt {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.85;
  max-width: 540px;
  margin-bottom: 1.8rem;
}

.bf-foot { display: flex; align-items: center; gap: 2rem; }
.bf-date { font-size: .68rem; color: var(--muted); letter-spacing: .1em; }
.bf-read {
  font-size: .72rem;
  color: var(--accent);
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: letter-spacing var(--t);
}
.blog-featured:hover .bf-read { letter-spacing: .2em; }

.blogs-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.blog-item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.blog-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.blog-item:hover {
  background: rgba(0,245,160,.02);
  transform: translateY(-3px);
  box-shadow: var(--card-glow);
}
.blog-item:hover::after { transform: scaleX(1); }

.bi-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1;
  color: rgba(0,245,160,.07);
  letter-spacing: -.05em;
  padding: 2.5rem 1.5rem 2.5rem 2rem;
  user-select: none;
  flex-shrink: 0;
  transition: color .4s;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.blog-item:hover .bi-num { color: rgba(0,245,160,.18); }

.bi-body { padding: 2rem; }
.bi-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(.95rem, 2vw, 1.15rem);
  line-height: 1.25;
  margin: .7rem 0 .8rem;
  color: var(--text);
}
.bi-excerpt { font-size: .76rem; color: var(--muted); line-height: 1.8; margin-bottom: 1.4rem; }
.bi-foot { display: flex; align-items: center; gap: 1.5rem; }
.bi-date { font-size: .65rem; color: var(--muted); letter-spacing: .08em; }
.bi-read {
  font-size: .68rem;
  color: var(--accent2);
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: letter-spacing var(--t);
}
.blog-item:hover .bi-read { letter-spacing: .16em; }

/* ═══════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════ */
#contact {
  background: transparent;
  border-top-color: transparent;
  border-bottom-color: transparent;
  position: relative;
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 60vw; height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,160,.05) 0%, transparent 60%);
  pointer-events: none;
  animation: slowPulse 8s ease-in-out infinite alternate;
  z-index: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-desc {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 2rem;
}

.contact-links { display: flex; flex-direction: column; }

.contact-link {
  display: flex;
  align-items: center;
  gap: .8rem;
  color: var(--muted);
  font-size: .78rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--t);
}
.contact-link:hover {
  color: var(--accent);
  padding-left: .5rem;
}

.ci {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  flex-shrink: 0;
  transition: all var(--t);
  background: var(--surface);
}
.contact-link:hover .ci {
  border-color: var(--accent);
  box-shadow: var(--glow);
  transform: scale(1.1) rotate(5deg);
  background: rgba(0,245,160,.1);
}

/* glassmorphic form card */
.contact-form-glass {
  background: rgba(14,20,32,.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: border-color var(--t), box-shadow var(--t);
}
.contact-form-glass:hover {
  border-color: rgba(0,245,160,.2);
  box-shadow: var(--card-glow);
}

.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(8,11,16,.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: .85rem;
  padding: 1rem 1.2rem;
  outline: none;
  resize: none;
  transition: all var(--t);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow:
    0 0 15px rgba(0,245,160,.15) inset,
    0 0 10px rgba(0,245,160,.1);
  background: #080b10;
}

.form-success {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(0,245,160,.08);
  border: 1px solid rgba(0,245,160,.3);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: .78rem;
  text-align: center;
}

.form-error {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255,80,80,.06);
  border: 1px solid rgba(255,80,80,.3);
  border-radius: var(--radius);
  color: #ff7070;
  font-size: .78rem;
  text-align: center;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
footer {
  position: relative;
  z-index: 1;
  padding: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
footer p       { font-size: .7rem; color: var(--muted); transition: color var(--t), text-shadow var(--t); }
footer p:hover { color: var(--text); text-shadow: 0 0 12px rgba(0,245,160,.2); }
footer p span  { color: var(--accent); }
.footer-handle { letter-spacing: .1em; }

/* ═══════════════════════════════════════
   KEYFRAME ANIMATIONS
   ═══════════════════════════════════════ */
@keyframes slowPulse {
  0%   { transform: translate(-50%,-50%) scale(.9); opacity: .5; }
  100% { transform: translate(-50%,-50%) scale(1.1); opacity: 1; }
}

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

@keyframes blurIn {
  from { opacity: 0; filter: blur(10px); transform: translateY(16px); }
  to   { opacity: 1; filter: blur(0);    transform: translateY(0); }
}

@keyframes float {
  0%,100% { transform: translateY(-50%) translateY(0); }
  50%     { transform: translateY(-50%) translateY(-12px); }
}

@keyframes blink {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: .4; transform: scale(.8); }
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes scalePop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; filter: blur(6px); transform: translateX(-40px); }
  to   { opacity: 1; filter: blur(0);   transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; filter: blur(6px); transform: translateX(40px); }
  to   { opacity: 1; filter: blur(0);   transform: translateX(0); }
}

/* ═══════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s cubic-bezier(.4,0,.2,1), transform .55s cubic-bezier(.4,0,.2,1), filter .55s;
  filter: blur(5px);
  will-change: opacity, transform, filter;
}
.reveal.visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}
/* direction-aware variants */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  filter: blur(5px);
  transition: opacity .55s cubic-bezier(.4,0,.2,1), transform .55s cubic-bezier(.4,0,.2,1), filter .55s;
  will-change: opacity, transform, filter;
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  filter: blur(5px);
  transition: opacity .55s cubic-bezier(.4,0,.2,1), transform .55s cubic-bezier(.4,0,.2,1), filter .55s;
  will-change: opacity, transform, filter;
}
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

/* ═══════════════════════════════════════
   RESPONSIVE — TABLET / MOBILE
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-cta   { display: none; }

  /* mobile nav drawer */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    background: rgba(8,11,16,.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    /* slide-in animation */
    animation: slideDown .3s ease;
  }
  .nav-links.open { display: flex; }

  /* stack stats */
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .stat-item:last-child { border-bottom: none; }

  /* single-column contact */
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

  /* single-column project/skeleton */
  .loading-grid,
  .projects-grid { grid-template-columns: 1fr; }

  /* blogs stack */
  .blog-featured { grid-template-columns: 1fr; }
  .bf-num { display: none; }
  .blogs-secondary { grid-template-columns: 1fr; }
  .blog-item { grid-template-columns: 1fr; }
  .bi-num { display: none; }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── SMALL PHONES ───────────────────── */
@media (max-width: 480px) {
  section { padding: 4rem 1.2rem; }
  h2      { margin-bottom: 2rem; }

  .hero-actions { flex-direction: column; }
  .btn-primary,
  .btn-outline  { width: 100%; justify-content: center; }

  /* About bento collapses fully */
  .about-bento-left,
  .about-bento-right {
    padding: 1.5rem;
  }
}

/* ─── REDUCED MOTION ─────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ═══════════════════════════════════════
   ABOUT SECTION — Creative Bento-Grid
   Two-column asymmetric grid with animated
   role rotator and highlight chip row.
   ═══════════════════════════════════════ */

/* Label spacing override */
.about-label { margin-bottom: 2rem; }

/* The bento grid — 2 columns on desktop, stacks on mobile */
.about-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  position: relative;
}

/* ── Left cell: heading + role rotator ── */
.about-bento-left {
  background: rgba(14,20,32,.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t), box-shadow var(--t);
}
.about-bento-left:hover {
  border-color: rgba(0,245,160,.25);
  box-shadow: var(--card-glow);
}
/* decorative gradient line on left edge */
.about-bento-left::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent2), transparent);
  border-radius: 2px;
}

.about-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
  position: relative;
}
/* gradient accent underline on about heading */
.about-heading::after {
  content: '';
  display: block;
  width: 60px; height: 3px;
  margin-top: .8rem;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  transition: width .5s cubic-bezier(.4,0,.2,1);
}
.about-bento-left:hover .about-heading::after { width: 120px; }

/* animated role rotator */
.about-role-wrap {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  margin-bottom: 1rem;
}
.about-role-prefix { color: var(--muted); }
.about-role-rotate {
  position: relative;
  display: inline-block;
  min-width: 200px;
  height: 1.4em;
  overflow: hidden;
}
.about-role-word {
  position: absolute;
  top: 0; left: 0;
  white-space: nowrap;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity .45s ease, transform .45s cubic-bezier(.4,0,.2,1);
}
.about-role-word.active {
  opacity: 1;
  transform: translateY(0);
}
.about-role-word.exit {
  opacity: 0;
  transform: translateY(-100%);
}

.about-tagline {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Right cell: description + exploring card ── */
.about-bento-right {
  background: rgba(14,20,32,.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
  transition: border-color var(--t), box-shadow var(--t);
}
.about-bento-right:hover {
  border-color: rgba(0,180,245,.2);
  box-shadow: var(--glow2);
}

.about-desc {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.85;
}

/* Currently exploring card inside about */
.currently-exploring {
  background: rgba(14,20,32,.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-left: 3px solid var(--accent);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  position: relative;
  overflow: hidden;
}
/* subtle inner shine */
.currently-exploring::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,160,.04) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t);
}
.currently-exploring:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-glow);
  border-color: rgba(0,245,160,.25);
}
.currently-exploring:hover::after { opacity: 1; }

.ce-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  padding-top: .2rem;
}
.ce-content { display: flex; flex-direction: column; gap: .3rem; }
.ce-tag {
  font-size: .72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
}
.ce-text {
  font-size: .88rem;
  font-weight: 700;
  color: var(--text);
}

/* ── Bottom row: highlight chips ── */
.about-bento-bottom {
  grid-column: 1 / -1;
}
.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.about-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.2rem;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(14,20,32,.4);
  backdrop-filter: blur(8px);
  transition: all var(--t);
  cursor: default;
}
.about-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(0,245,160,.12);
  transform: translateY(-2px);
}

/* Decorative orbit behind about section */
.about-orbit {
  position: absolute;
  top: 50%; right: -8%;
  transform: translateY(-50%);
  width: 320px; height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(0,245,160,.06);
  pointer-events: none;
  animation: orbitSpin 25s linear infinite;
}
.about-orbit::before {
  content: '';
  position: absolute;
  top: -4px; left: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(0,245,160,.4);
  transform: translateX(-50%);
}
@keyframes orbitSpin {
  0%   { transform: translateY(-50%) rotate(0deg); }
  100% { transform: translateY(-50%) rotate(360deg); }
}

/* ── About responsive collapse ── */
@media (max-width: 768px) {
  .about-bento {
    grid-template-columns: 1fr;
  }
  .about-bento-bottom {
    grid-column: 1;
  }
  .about-orbit { display: none; }
}
@media (max-width: 480px) {
  .about-bento-left,
  .about-bento-right {
    padding: 1.5rem;
  }
  .about-role-wrap {
    flex-direction: column;
    gap: .2rem;
  }
  .about-highlights {
    gap: .4rem;
  }
  .about-chip {
    padding: .45rem .8rem;
    font-size: .65rem;
  }
}