/* ═══════════════════════════════════════════════════════
   HARSHIT RATHAUR PORTFOLIO — style.css
   Theme: White · Purple · Alternating Sections · Glassmorphism
═══════════════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  /* Light (white) section surface */
  --bg-light:        #ffffff;
  --bg-light-card:   #f7f3fc;
  --text-on-light:   #1f1530;
  --text-on-light-dim: #6b6178;

  /* Purple section surface */
  --bg-purple:       #6b3fa0;
  --bg-purple-soft:  #5a3389;
  --bg-purple-card:  #7a4bb0;
  --text-on-purple:  #ffffff;
  --text-on-purple-dim: #e3d4f5;

  /* Accent (used on both) */
  --accent:          #8b4fd1;
  --accent-bright:   #a566e8;
  --accent-light:    #c9a9fa;

  /* Legacy aliases kept so existing rules keep working */
  --black:       var(--bg-light);
  --black-soft:  var(--bg-purple);
  --black-card:  var(--bg-purple-card);
  --blue:        var(--accent);
  --blue-bright: var(--accent-bright);
  --cyan:        var(--accent);
  --cyan-soft:   var(--accent-bright);
  --white:       var(--text-on-light);
  --white-dim:   var(--text-on-light-dim);

  --glass-bg:    rgba(139,79,209,0.05);
  --glass-border:rgba(139,79,209,0.15);
  --glow-blue:   0 0 40px rgba(139,79,209,0.25);
  --glow-cyan:   0 0 40px rgba(139,79,209,0.2);
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;
  --font-display:'Syne', sans-serif;
  --font-body:   'Space Grotesk', sans-serif;
  --font-mono:   'DM Mono', monospace;
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition:  0.3s var(--ease-smooth);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-light);
  color: var(--text-on-light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: none; border: none; background: none; font-family: inherit; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-light-card); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ── Custom Cursor ── */
.cursor-dot, .cursor-ring {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  top: 0; left: 0;
}
.cursor-ring {
  width: 32px; height: 32px;
  border: 1.5px solid rgba(139,79,209,0.5);
  top: 0; left: 0;
  transition: width 0.2s, height 0.2s, border-color 0.2s;
}
.cursor-ring.hover { width: 48px; height: 48px; border-color: var(--cyan); }

/* ── Scroll Progress ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  z-index: 1000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ── Loader ── */
.loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 9990;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-smooth), visibility 0.6s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2rem;
  letter-spacing: -1px;
  white-space: nowrap;
}
.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(139,79,209,0.12);
  border-radius: 1px;
  margin: 0 auto 1rem;
  overflow: hidden;
}
.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  width: 0%;
  transition: width 0.05s linear;
}
.loader-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--white-dim);
  letter-spacing: 0.1em;
}

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

/* ── Glass ── */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: none;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::before { opacity: 1; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-bright));
  color: #fff;
  box-shadow: 0 4px 24px rgba(183,148,246,0.35);
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(183,148,246,0.55), var(--glow-blue);
  transform: translateY(-2px);
}
.btn-ghost {
  color: var(--white);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.82rem; }
.full-width { width: 100%; justify-content: center; }

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 1.25rem 0;
  transition: padding 0.4s var(--ease-smooth), background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.75rem 0;
  border-bottom-color: var(--glass-border);
  box-shadow: 0 4px 24px rgba(139,79,209,0.08);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo-bracket { color: var(--cyan); }
.nav-links {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-link {
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white-dim);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: var(--transition);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 5rem;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.aurora {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(139,79,209,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(165,102,232,0.14) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 10%, rgba(139,79,209,0.1) 0%, transparent 50%);
  animation: auroraShift 12s ease-in-out infinite alternate;
}
@keyframes auroraShift {
  0% { opacity: 0.8; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05) rotate(2deg); }
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(139,79,209,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,79,209,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hero > .container, .hero > .hero-content, .hero > .hero-image-wrap {
  position: relative; z-index: 2;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: clamp(1.5rem, 5vw, 3rem);
  padding-right: clamp(1.5rem, 5vw, 3rem);
}
/* Re-position non-grid elements */
.hero-canvas, .aurora, .hero-grid { grid-column: 1 / -1; grid-row: 1; }
.hero-content { grid-column: 1; grid-row: 1; }
.hero-image-wrap { grid-column: 2; grid-row: 1; justify-self: center; }
.hero-scroll-hint { grid-column: 1 / -1; grid-row: 2; justify-self: center; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(201,169,250,0.25);
  background: rgba(201,169,250,0.06);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--cyan);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s var(--ease-smooth) both;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #00e676;
  box-shadow: 0 0 8px #00e676;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px #00e676; }
  50% { box-shadow: 0 0 16px #00e676; }
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -3px;
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.8s 0.1s var(--ease-smooth) both;
}
.hero-greeting {
  display: block;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--white-dim);
  margin-bottom: 0.25rem;
}
.hero-name {
  display: block;
  font-size: clamp(3rem, 6vw, 5.5rem);
  background: linear-gradient(135deg, var(--white) 30%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s 0.2s var(--ease-smooth) both;
}
.role-prefix { color: var(--white-dim); }
.typing-wrap { display: flex; align-items: center; gap: 2px; color: var(--cyan); font-weight: 600; }
.cursor-blink { animation: blink 1s step-end infinite; color: var(--cyan); }
@keyframes blink { 50% { opacity: 0; } }
.hero-bio {
  color: var(--white-dim);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.8;
  animation: fadeInUp 0.8s 0.3s var(--ease-smooth) both;
}
.hero-bio strong { color: var(--white); }
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s 0.4s var(--ease-smooth) both;
}
.hero-socials {
  display: flex;
  gap: 0.75rem;
  animation: fadeInUp 0.8s 0.5s var(--ease-smooth) both;
}
.social-link {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--white-dim);
  transition: var(--transition);
}
.social-link svg { width: 16px; height: 16px; }
.social-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(201,169,250,0.08);
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}

/* Hero Image */
.hero-image-wrap {
  position: relative;
  width: min(380px, 90%);
  animation: fadeInRight 1s 0.3s var(--ease-smooth) both;
}
.hero-image-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, rgba(183,148,246,0.2) 0%, transparent 70%);
  animation: glowPulse 4s ease-in-out infinite alternate;
}
@keyframes glowPulse {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.1); }
}
.hero-image-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  inset: 0;
  margin: auto;
}
.ring-1 {
  width: 110%; height: 110%;
  border-color: rgba(183,148,246,0.2);
  animation: rotateRing 20s linear infinite;
}
.ring-2 {
  width: 125%; height: 125%;
  border-color: rgba(201,169,250,0.12);
  animation: rotateRing 30s linear infinite reverse;
}
.ring-3 {
  width: 140%; height: 140%;
  border-color: rgba(201,169,250,0.06);
  animation: rotateRing 40s linear infinite;
}
@keyframes rotateRing { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.hero-image-frame {
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  position: relative;
  z-index: 1;
  aspect-ratio: 1 / 1;
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.95) contrast(1.05);
}
.hero-badge-float {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(6,8,16,0.85);
  backdrop-filter: blur(10px);
  font-size: 0.75rem;
  animation: floatBadge 4s ease-in-out infinite alternate;
}
.badge-float-1 { bottom: 12%; left: -15%; animation-delay: 0s; }
.badge-float-2 { top: 10%; right: -15%; animation-delay: 1s; }
@keyframes floatBadge { 0% { transform: translateY(0); } 100% { transform: translateY(-8px); } }
.badge-icon { font-size: 1.25rem; }
.badge-val { font-weight: 700; font-size: 1rem; color: var(--cyan); }
.badge-lbl { color: var(--white-dim); font-size: 0.7rem; }

/* Hero Scroll Hint */
.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1rem;
  animation: fadeIn 1s 1s var(--ease-smooth) both;
}
.hero-scroll-hint span { font-size: 0.7rem; color: var(--white-dim); font-family: var(--font-mono); letter-spacing: 0.1em; }
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--cyan), 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; }
}

/* ── Sections ── */
.section {
  padding: clamp(5rem, 10vw, 8rem) 0;
  position: relative;
}
.section-dark {
  background: var(--bg-purple);
  color: var(--text-on-purple);
}
.section-dark .section-label { color: var(--text-on-purple); }
.section-dark .section-title { color: var(--text-on-purple); }
.section-dark .section-quote { color: var(--text-on-purple-dim); }
.section-dark .glass {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
}
.section-dark .skill-group-label,
.section-dark .timeline-company,
.section-dark .badge,
.section-dark .project-desc,
.section-dark .project-title,
.section-dark .skill-name,
.section-dark .filter-btn,
.section-dark .edu-degree,
.section-dark .edu-institution,
.section-dark .edu-period {
  color: var(--text-on-purple);
}
.section-dark .skill-name,
.section-dark .project-title,
.section-dark .edu-degree { color: var(--text-on-purple); }
.section-dark .project-desc,
.section-dark .timeline-achievements li,
.section-dark .skill-group-label {
  color: var(--text-on-purple-dim);
}
.section-dark .filter-btn {
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  color: var(--text-on-purple-dim);
}
.section-dark .filter-btn:hover,
.section-dark .filter-btn.active {
  background: #ffffff;
  border-color: #ffffff;
  color: var(--accent);
}
.section-dark .badge {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
  color: #ffffff;
}
.section-dark .edu-status.done {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  color: var(--text-on-purple-dim);
}
.section-dark .project-link { color: #ffffff; }
.section-dark .project-link:hover { color: var(--text-on-purple-dim); }
.section-dark .project-link.muted { color: var(--text-on-purple-dim); }
.section-dark .cert-card.glass { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }
.section-dark .cert-issuer { color: var(--text-on-purple-dim); }
.section-dark .cert-name { color: var(--text-on-purple); }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 3rem;
}
.section-quote {
  font-style: italic;
  color: var(--white-dim);
  max-width: 600px;
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

/* ── Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-text p {
  color: var(--white-dim);
  margin-bottom: 1.25rem;
  line-height: 1.85;
}
.about-text strong { color: var(--white); }
.about-text .btn { margin-top: 0.5rem; }
.about-lead {
  font-size: 1.15rem;
  color: var(--white) !important;
  line-height: 1.7 !important;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat-card {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  border-color: rgba(201,169,250,0.2);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-plus {
  font-size: 1.5rem;
  color: var(--cyan);
  font-weight: 700;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--white-dim);
  margin-top: 0.4rem;
  letter-spacing: 0.05em;
}

/* ── Skills ── */
.skills-categories { display: flex; flex-direction: column; gap: 3rem; }
.skill-group-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--white-dim);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.skill-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.skill-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: default;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(183,148,246,0.1), rgba(201,169,250,0.05));
  opacity: 0;
  transition: opacity 0.3s;
}
.skill-card:hover {
  border-color: rgba(201,169,250,0.3);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), var(--glow-cyan);
}
.skill-card:hover::before { opacity: 1; }
.skill-icon { font-size: 1.15rem; }
.skill-name { color: var(--white); }

/* ── Timeline (Experience) ── */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5rem; bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--blue), var(--cyan), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}
.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 1.75rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid var(--black);
  box-shadow: 0 0 12px var(--cyan);
  transform: translateX(-5.5px);
}
.timeline-content {
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.timeline-content:hover {
  border-color: rgba(201,169,250,0.2);
  transform: translateX(4px);
}
.timeline-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.timeline-company-logo {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--font-display);
}
.timeline-company-logo img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.timeline-meta { flex: 1; }
.timeline-role {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.timeline-company { color: var(--cyan); font-size: 0.9rem; font-weight: 500; margin-bottom: 0.3rem; }
.timeline-period {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--white-dim);
}
.period-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--white-dim); }
.timeline-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.timeline-badge.current {
  background: rgba(0,230,118,0.12);
  border: 1px solid rgba(0,230,118,0.3);
  color: #00e676;
}
.timeline-achievements {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.timeline-achievements li {
  padding-left: 1.25rem;
  position: relative;
  color: var(--white-dim);
  font-size: 0.9rem;
}
.timeline-achievements li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* ── Projects ── */
.project-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.45rem 1.25rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--white-dim);
  transition: var(--transition);
  cursor: none;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 4px 16px rgba(183,148,246,0.3);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201,169,250,0.2);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), var(--glow-blue);
}
.project-card.hidden { display: none; }
.project-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.project-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-smooth);
}
.project-card:hover .project-img { transform: scale(1.06); }
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6,8,16,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-award {
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffd700;
  background: rgba(255,215,0,0.12);
  border: 1px solid rgba(255,215,0,0.3);
  padding: 0.4rem 1rem;
  border-radius: 100px;
}
.project-body { padding: 1.5rem; }
.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(183,148,246,0.12);
  border: 1px solid rgba(183,148,246,0.25);
  color: var(--blue-bright);
  letter-spacing: 0.03em;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.project-desc {
  font-size: 0.875rem;
  color: var(--white-dim);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.project-desc strong { color: var(--white); }
.project-links { display: flex; gap: 1rem; }
.project-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan);
  transition: color 0.2s;
}
.project-link:hover { color: var(--white); }
.project-link.muted { color: var(--white-dim); cursor: default; }

/* ── Certifications ── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: default;
}
.cert-card:hover {
  border-color: rgba(201,169,250,0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), var(--glow-cyan);
}
.cert-card.cert-award:hover {
  border-color: rgba(255,215,0,0.3);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 24px rgba(255,215,0,0.15);
}
.cert-icon { font-size: 1.5rem; flex-shrink: 0; }
.cert-body { flex: 1; }
.cert-issuer {
  font-size: 0.72rem;
  color: var(--white-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}
.cert-name {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
}
.cert-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  flex-shrink: 0;
  text-transform: uppercase;
}
.cert-badge.verified {
  background: rgba(201,169,250,0.08);
  border: 1px solid rgba(201,169,250,0.2);
  color: var(--cyan);
}
.cert-badge.award {
  background: rgba(255,215,0,0.1);
  border: 1px solid rgba(255,215,0,0.3);
  color: #ffd700;
}

/* ── Education ── */
.edu-timeline { display: flex; flex-direction: column; gap: 1.25rem; }
.edu-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.edu-card:hover {
  border-color: rgba(201,169,250,0.2);
  transform: translateX(8px);
}
.edu-logo-wrap {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 0.75rem;
}
.edu-logo { width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.edu-info { flex: 1; }
.edu-degree {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.edu-institution { color: var(--cyan); font-size: 0.875rem; margin-bottom: 0.2rem; }
.edu-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--white-dim);
}
.edu-period.pursuing { color: #00e676; }
.edu-status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  flex-shrink: 0;
}
.edu-status.current {
  background: rgba(0,230,118,0.1);
  border: 1px solid rgba(0,230,118,0.25);
  color: #00e676;
}
.edu-status.done {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--white-dim);
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-intro {
  color: var(--white-dim);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  transition: var(--transition);
}
.contact-item:hover {
  border-color: rgba(201,169,250,0.2);
  transform: translateX(4px);
}
.contact-item-icon { font-size: 1.25rem; }
.contact-item-label { font-size: 0.72rem; color: var(--white-dim); font-family: var(--font-mono); letter-spacing: 0.08em; }
.contact-item-val { font-weight: 500; font-size: 0.9rem; }
.contact-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.contact-social-btn {
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--white-dim);
  transition: var(--transition);
}
.contact-social-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(201,169,250,0.06);
}
.contact-form {
  padding: 2rem;
  border-radius: var(--radius-xl);
}
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--white-dim);
  letter-spacing: 0.04em;
}
.form-input {
  width: 100%;
  background: rgba(139,79,209,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input::placeholder { color: rgba(107,97,120,0.5); }
.form-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(139,79,209,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-success, .form-error { display: none; margin-top: 1rem; font-size: 0.875rem; text-align: center; }
.form-success { color: #00e676; }
.form-error { color: #ff5252; }
.hidden { display: none; }

/* ── Footer ── */
.footer {
  background: var(--bg-purple);
  color: var(--text-on-purple);
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.footer-aurora {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: radial-gradient(ellipse 100% 100% at 50% 100%, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -1px;
  margin-bottom: 0.5rem;
  color: var(--text-on-purple);
}
.footer-logo .logo-bracket { color: var(--text-on-purple-dim); }
.footer-tagline { font-size: 0.8rem; color: var(--text-on-purple-dim); line-height: 1.6; }
.footer-center { text-align: center; }
.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-on-purple-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: #ffffff; }
.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.55); }
.back-to-top {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: var(--text-on-purple-dim);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.back-to-top:hover {
  border-color: #ffffff;
  color: #ffffff;
  background: rgba(255,255,255,0.15);
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(255,255,255,0.2);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ── Magnetic ── */
.magnetic { will-change: transform; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 7rem;
  }
  .hero-content { grid-column: 1; grid-row: 1; }
  .hero-image-wrap {
    grid-column: 1; grid-row: 2;
    width: min(280px, 70%);
    margin: 0 auto;
  }
  .hero-scroll-hint { grid-row: 3; }
  .hero-badge, .hero-actions, .hero-socials { justify-content: center; }
  .hero-bio { margin: 0 auto 2rem; }
  .badge-float-1 { left: -5%; }
  .badge-float-2 { right: -5%; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav-links { display: none; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0; background: rgba(255,255,255,0.98); border-top: 1px solid var(--glass-border); padding: 1rem 0; box-shadow: 0 12px 24px rgba(139,79,209,0.1); }
  .nav-links.open { display: flex; }
  .nav-link { padding: 0.75rem 2rem; border-radius: 0; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .edu-card { flex-wrap: wrap; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}