/* ═══════════════════════════════════════════════════════════════
   NARENDRA M PORTFOLIO — styles.css
   Theme: Bold Gradient / Creative
   Supports: dark | light | off-white  (via data-theme on <html>)
   ═══════════════════════════════════════════════════════════════ */

/* ── Google Fonts fallback (loaded in HTML) ── */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* ════════════════════════════════════════════════════════════════
   1. DESIGN TOKENS — DARK THEME (default)
   ════════════════════════════════════════════════════════════════ */
[data-theme="dark"] {
  --bg:            #0f0a1e;
  --bg-surface:    #16102e;
  --bg-card:       rgba(22, 16, 46, 0.65);
  --bg-card-hover: rgba(30, 22, 60, 0.80);
  --border:        rgba(139, 92, 246, 0.18);
  --border-hover:  rgba(139, 92, 246, 0.50);
  --text-primary:  #f0eaff;
  --text-secondary:#b8b0d0;
  --text-muted:    #7a7090;
  --text-code:     #a78bfa;

  --accent-1:      #8b5cf6;   /* violet */
  --accent-2:      #06b6d4;   /* cyan   */
  --accent-3:      #f472b6;   /* pink   */
  --grad-main:     linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --grad-card:     linear-gradient(135deg, rgba(139,92,246,.12) 0%, rgba(6,182,212,.08) 100%);
  --grad-text:     linear-gradient(135deg, #a78bfa 0%, #38bdf8 60%, #f472b6 100%);

  --blob-1: rgba(139, 92, 246, 0.35);
  --blob-2: rgba(6, 182, 212, 0.25);
  --blob-3: rgba(244, 114, 182, 0.20);
  --grid-color: rgba(139, 92, 246, 0.05);

  --shadow-sm:  0 2px 8px rgba(0,0,0,.35);
  --shadow-md:  0 8px 32px rgba(0,0,0,.45);
  --shadow-lg:  0 24px 64px rgba(0,0,0,.55);
  --shadow-accent: 0 0 40px rgba(139, 92, 246, 0.25);

  --timeline-dot-active: #8b5cf6;
  --timeline-line: linear-gradient(to bottom, #8b5cf6, #06b6d4, rgba(6,182,212,0));

  --nav-bg: rgba(15, 10, 30, 0.85);
  --badge-bg: rgba(139, 92, 246, 0.15);
  --badge-text: #c4b5fd;
  --pill-bg: rgba(6, 182, 212, 0.12);
  --pill-text: #67e8f9;
}

/* ════════════════════════════════════════════════════════════════
   2. DESIGN TOKENS — LIGHT THEME
   ════════════════════════════════════════════════════════════════ */
[data-theme="light"] {
  --bg:            #ffffff;
  --bg-surface:    #f3f0ff;
  --bg-card:       rgba(255, 255, 255, 0.75);
  --bg-card-hover: rgba(245, 240, 255, 0.92);
  --border:        rgba(139, 92, 246, 0.20);
  --border-hover:  rgba(139, 92, 246, 0.55);
  --text-primary:  #1a1030;
  --text-secondary:#4a3d6a;
  --text-muted:    #8070a0;
  --text-code:     #7c3aed;

  --accent-1:      #7c3aed;
  --accent-2:      #0891b2;
  --accent-3:      #db2777;
  --grad-main:     linear-gradient(135deg, #7c3aed 0%, #0891b2 100%);
  --grad-card:     linear-gradient(135deg, rgba(124,58,237,.08) 0%, rgba(8,145,178,.05) 100%);
  --grad-text:     linear-gradient(135deg, #7c3aed 0%, #0891b2 60%, #db2777 100%);

  --blob-1: rgba(139, 92, 246, 0.18);
  --blob-2: rgba(8, 145, 178, 0.14);
  --blob-3: rgba(219, 39, 119, 0.12);
  --grid-color: rgba(124, 58, 237, 0.04);

  --shadow-sm:  0 2px 8px rgba(0,0,0,.08);
  --shadow-md:  0 8px 32px rgba(0,0,0,.12);
  --shadow-lg:  0 24px 64px rgba(0,0,0,.15);
  --shadow-accent: 0 0 40px rgba(124, 58, 237, 0.15);

  --timeline-dot-active: #7c3aed;
  --timeline-line: linear-gradient(to bottom, #7c3aed, #0891b2, rgba(8,145,178,0));

  --nav-bg: rgba(255, 255, 255, 0.88);
  --badge-bg: rgba(124, 58, 237, 0.10);
  --badge-text: #6d28d9;
  --pill-bg: rgba(8, 145, 178, 0.10);
  --pill-text: #0369a1;
}

/* ════════════════════════════════════════════════════════════════
   3. DESIGN TOKENS — OFF-WHITE / EDITORIAL THEME
   ════════════════════════════════════════════════════════════════ */
[data-theme="offwhite"] {
  --bg:            #faf8f5;
  --bg-surface:    #f0ece6;
  --bg-card:       rgba(250, 248, 245, 0.80);
  --bg-card-hover: rgba(240, 236, 230, 0.95);
  --border:        rgba(120, 80, 40, 0.18);
  --border-hover:  rgba(120, 80, 40, 0.45);
  --text-primary:  #1c1410;
  --text-secondary:#5c4838;
  --text-muted:    #9c8070;
  --text-code:     #b45309;

  --accent-1:      #b45309;
  --accent-2:      #0f766e;
  --accent-3:      #9333ea;
  --grad-main:     linear-gradient(135deg, #b45309 0%, #0f766e 100%);
  --grad-card:     linear-gradient(135deg, rgba(180,83,9,.08) 0%, rgba(15,118,110,.05) 100%);
  --grad-text:     linear-gradient(135deg, #b45309 0%, #0f766e 60%, #9333ea 100%);

  --blob-1: rgba(180, 83, 9, 0.12);
  --blob-2: rgba(15, 118, 110, 0.10);
  --blob-3: rgba(147, 51, 234, 0.08);
  --grid-color: rgba(180, 83, 9, 0.04);

  --shadow-sm:  0 2px 8px rgba(0,0,0,.06);
  --shadow-md:  0 8px 32px rgba(0,0,0,.08);
  --shadow-lg:  0 24px 64px rgba(0,0,0,.10);
  --shadow-accent: 0 0 40px rgba(180, 83, 9, 0.12);

  --timeline-dot-active: #b45309;
  --timeline-line: linear-gradient(to bottom, #b45309, #0f766e, rgba(15,118,110,0));

  --nav-bg: rgba(250, 248, 245, 0.92);
  --badge-bg: rgba(180, 83, 9, 0.10);
  --badge-text: #92400e;
  --pill-bg: rgba(15, 118, 110, 0.10);
  --pill-text: #0f766e;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
::selection { background: var(--accent-1); color: #fff; }

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent-1);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 3px; }

/* ════════════════════════════════════════════════════════════════
   5. SCROLL PROGRESS BAR
   ════════════════════════════════════════════════════════════════ */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad-main);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ════════════════════════════════════════════════════════════════
   6. ANIMATED BACKGROUND
   ════════════════════════════════════════════════════════════════ */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: drift 20s ease-in-out infinite alternate;
  will-change: transform;
}
.blob-1 {
  width: clamp(300px, 50vw, 700px);
  height: clamp(300px, 50vw, 700px);
  background: var(--blob-1);
  top: -15%; left: -10%;
  animation-duration: 22s;
}
.blob-2 {
  width: clamp(250px, 40vw, 600px);
  height: clamp(250px, 40vw, 600px);
  background: var(--blob-2);
  top: 40%; right: -12%;
  animation-duration: 18s;
  animation-delay: -6s;
}
.blob-3 {
  width: clamp(200px, 35vw, 500px);
  height: clamp(200px, 35vw, 500px);
  background: var(--blob-3);
  bottom: -10%; left: 30%;
  animation-duration: 25s;
  animation-delay: -12s;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(40px, -30px) scale(1.05); }
  66%  { transform: translate(-30px, 40px) scale(0.95); }
  100% { transform: translate(20px, -20px) scale(1.02); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ════════════════════════════════════════════════════════════════
   7. NAVIGATION
   ════════════════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-initials {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--grad-main);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.05em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.logo-initials:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--badge-bg);
}
.nav-link.active { color: var(--accent-1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.icon-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--badge-bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s, transform 0.2s;
}
.icon-btn:hover { color: var(--text-primary); transform: scale(1.05); }

/* Sun/Moon toggle */
[data-theme="dark"]  .icon-sun  { display: none; }
[data-theme="dark"]  .icon-moon { display: block; }
[data-theme="light"] .icon-sun  { display: block; }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="offwhite"] .icon-sun  { display: block; }
[data-theme="offwhite"] .icon-moon { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--badge-bg);
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 65px;
  background: var(--bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2rem;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }

.mobile-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.2s;
}
.mobile-link:hover { color: var(--accent-1); padding-left: 0.5rem; }

/* ════════════════════════════════════════════════════════════════
   8. BUTTONS
   ════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  transition: all 0.25s ease;
  white-space: nowrap;
  min-height: 44px;
}
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; min-height: 36px; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139,92,246,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139,92,246,.5);
}

.btn-outline {
  background: transparent;
  color: var(--accent-1);
  border: 1.5px solid var(--accent-1);
}
.btn-outline:hover {
  background: var(--badge-bg);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--badge-bg);
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ════════════════════════════════════════════════════════════════
   9. LAYOUT UTILITIES
   ════════════════════════════════════════════════════════════════ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.section {
  padding: clamp(5rem, 10vw, 8rem) 0;
}

.section-full {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.subsection-title {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}
.subsection-title.centered { text-align: center; }

/* ════════════════════════════════════════════════════════════════
   10. GLASS CARD
   ════════════════════════════════════════════════════════════════ */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}
.glass-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  transform: translateY(-4px);
}
.glass-card:hover::before { opacity: 1; }

/* ════════════════════════════════════════════════════════════════
   11. SCROLL REVEAL
   ════════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s 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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ════════════════════════════════════════════════════════════════
   12. HERO
   ════════════════════════════════════════════════════════════════ */
.hero {
  padding-top: 80px;
  padding-bottom: 4rem;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

/* Availability pill */
.availability-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--pill-bg);
  color: var(--pill-text);
  border: 1px solid rgba(6,182,212,.25);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.availability-pill::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(6,182,212,.4); }
  50% { box-shadow: 0 0 0 6px rgba(6,182,212,0); }
}

/* Hero name */
.hero-name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Typing role */
.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.role-prefix { color: var(--text-muted); }
.typing-text {
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-weight: 600;
}
.cursor {
  color: var(--accent-1);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* Hero tagline */
.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

/* Hero CTAs */
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

/* Hero socials */
.hero-socials {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.social-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--badge-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}
.social-icon:hover {
  background: var(--grad-main);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}
.social-icon svg { width: 20px; height: 20px; }

/* Portrait card */
.hero-portrait-wrap { flex-shrink: 0; }

.portrait-card {
  position: relative;
  width: clamp(260px, 28vw, 360px);
  border-radius: 24px;
  overflow: visible;
}

.portrait-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
}

.portrait-img-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* Monogram fallback */
.portrait-monogram {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--grad-main);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  color: rgba(255,255,255,0.9);
  font-family: var(--font-mono);
  letter-spacing: -0.05em;
}

/* Caption overlay */
.portrait-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,.75) 0%, transparent 100%);
  padding: 2rem 1rem 1rem;
  border-radius: 0 0 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.portrait-caption span { display: block; color: #fff; }
.portrait-caption span:first-child { font-weight: 700; font-size: 1rem; }
.portrait-caption span:last-child { font-size: 0.75rem; opacity: 0.8; font-family: var(--font-mono); }

/* Floating chips */
.portrait-chips {
  position: absolute;
  top: 0; right: -1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.portrait-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-code);
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  animation: float 4s ease-in-out infinite alternate;
}
.portrait-chip:nth-child(2) { animation-delay: 0.7s; }
.portrait-chip:nth-child(3) { animation-delay: 1.4s; }
.portrait-chip:nth-child(4) { animation-delay: 2.1s; }

@keyframes float {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

/* 3D tilt — pointer-fine only */
@media (pointer: fine) {
  .portrait-card { transition: transform 0.15s ease; }
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
}
.scroll-cue-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-1);
  animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.4; }
}

/* ════════════════════════════════════════════════════════════════
   13. STATS STRIP
   ════════════════════════════════════════════════════════════════ */
.stats-section {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item { padding: 1rem; }
.stat-value {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  font-family: var(--font-mono);
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-weight: 500;
}

/* ════════════════════════════════════════════════════════════════
   14. ABOUT
   ════════════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3rem;
}
.summary-list li {
  display: flex;
  gap: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.summary-list li::before {
  content: '▶';
  color: var(--accent-1);
  font-size: 0.6rem;
  flex-shrink: 0;
  margin-top: 0.55em;
}

.other-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.other-skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  transition: all 0.25s ease;
}
.other-skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}
.other-skill-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.other-skill-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Sidebar */
.sidebar-card { height: fit-content; }
.sidebar-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.details-list { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.5rem; }
.details-list dt {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.1rem;
}
.details-list dd {
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.details-list dd a { color: var(--accent-1); }
.details-list dd a:hover { text-decoration: underline; }

.interests-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.tag-cloud-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag-mini {
  font-size: 0.75rem;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-mono);
}

/* ════════════════════════════════════════════════════════════════
   15. EXPERIENCE TIMELINE
   ════════════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0; bottom: 0;
  width: 3px;
  background: var(--timeline-line);
  border-radius: 3px;
}

.timeline-item {
  position: relative;
  padding-bottom: 4rem;
}
.timeline-item:last-child { padding-bottom: 0; }

/* Timeline dot */
.timeline-dot {
  position: absolute;
  left: -2.75rem;
  top: 0.25rem;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent-1);
  border: 3px solid var(--bg);
  transition: box-shadow 0.3s ease;
}
.timeline-dot.current {
  background: var(--timeline-dot-active);
  animation: pulse-timeline 2.5s ease-in-out infinite;
}
@keyframes pulse-timeline {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139,92,246,.5); }
  50% { box-shadow: 0 0 0 10px rgba(139,92,246,0); }
}

/* Timeline card */
.timeline-card { }
.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 0.5rem;
}
.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.timeline-duration {
  font-size: 0.75rem;
  color: var(--accent-2);
  background: var(--pill-bg);
  border-radius: 100px;
  padding: 0.15rem 0.6rem;
  font-family: var(--font-mono);
}
.timeline-location {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.timeline-company {
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.timeline-role {
  font-size: 0.9rem;
  color: var(--accent-1);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-bottom: 1rem;
}
.timeline-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.highlights-list {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.highlights-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.75rem;
  line-height: 1.6;
}
.highlights-list li::before {
  content: '—';
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Achievements panel */
.achievements-panel {
  background: var(--grad-card);
  border: 1px solid var(--border-hover);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}
.achievements-panel h4 {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.85rem;
}
.achievements-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.achievements-list li {
  font-size: 0.875rem;
  color: var(--text-primary);
  display: flex;
  gap: 0.75rem;
  line-height: 1.6;
}
.achievements-list li::before {
  content: '✦';
  color: var(--accent-1);
  flex-shrink: 0;
  font-size: 0.65rem;
  margin-top: 0.4em;
}

/* Tech chips */
.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tech-chip {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.tech-chip:hover {
  background: var(--accent-1);
  color: #fff;
  border-color: transparent;
}

/* ════════════════════════════════════════════════════════════════
   16. PROJECTS
   ════════════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.75rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-header {
  margin-bottom: 1rem;
}
.project-org-period {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.project-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.1rem;
}
.project-featured {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--accent-3);
  background: rgba(244,114,182,.1);
  border-radius: 100px;
  padding: 0.2rem 0.6rem;
  margin-top: 0.3rem;
}

.project-overview {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* Collapsible responsibilities */
.project-responsibilities {
  margin-bottom: 1rem;
}
.project-responsibilities summary {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-1);
  cursor: pointer;
  padding: 0.4rem 0;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.project-responsibilities summary::before {
  content: '▶';
  font-size: 0.55rem;
  transition: transform 0.2s;
}
.project-responsibilities[open] summary::before { transform: rotate(90deg); }
.project-responsibilities ul {
  padding-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.project-responsibilities li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.6rem;
  line-height: 1.55;
}
.project-responsibilities li::before {
  content: '–';
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Impact callout */
.project-impact {
  background: var(--grad-card);
  border-left: 3px solid var(--accent-2);
  border-radius: 0 8px 8px 0;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.project-impact strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.project-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ════════════════════════════════════════════════════════════════
   17. SKILLS
   ════════════════════════════════════════════════════════════════ */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
  margin-bottom: 4rem;
}

.skill-group {
  margin-bottom: 2.5rem;
}
.skill-group:last-child { margin-bottom: 0; }

.skill-group-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.skill-group-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.skill-group-icon {
  width: 28px; height: 28px;
  background: var(--badge-bg);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
}
.skill-group-icon svg { width: 14px; height: 14px; }

.skill-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.skill-item { }
.skill-item-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}
.skill-name { font-size: 0.82rem; color: var(--text-secondary); }
.skill-pct { font-size: 0.75rem; font-family: var(--font-mono); color: var(--text-muted); }

.skill-bar-bg {
  height: 6px;
  background: var(--badge-bg);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--grad-main);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Radar chart */
.radar-wrap {
  text-align: center;
}
#radar-chart {
  max-width: 100%;
  height: auto;
}

/* Tag cloud */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}
.skill-tag {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.75rem;
  transition: all 0.2s ease;
  cursor: default;
}
.skill-tag:hover {
  background: var(--accent-1);
  color: #fff;
  border-color: transparent;
  transform: scale(1.05);
}

/* ════════════════════════════════════════════════════════════════
   18. GITHUB REPOS
   ════════════════════════════════════════════════════════════════ */
.github-repos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.repo-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.repo-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-1);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.repo-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex: 1;
  line-height: 1.6;
  margin-bottom: 1rem;
}
.repo-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.repo-lang-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
}

/* Skeleton loader */
.repos-skeleton {
  display: contents;
}
.skeleton-card {
  height: 160px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  animation: shimmer 1.5s ease-in-out infinite alternate;
}
@keyframes shimmer {
  0%   { opacity: 0.5; }
  100% { opacity: 1; }
}

.github-cta { text-align: center; margin-top: 1.5rem; }

/* ════════════════════════════════════════════════════════════════
   19. EDUCATION & AWARDS
   ════════════════════════════════════════════════════════════════ */
.edu-awards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.edu-item {
  padding: 1.25rem;
  border-left: 3px solid var(--accent-1);
  margin-bottom: 1.5rem;
}
.edu-item:last-child { margin-bottom: 0; }
.edu-degree {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.edu-field {
  font-size: 0.85rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
}
.edu-institution {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.2rem;
}
.edu-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.award-item {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1rem;
  transition: all 0.25s ease;
}
.award-item:last-child { margin-bottom: 0; }
.award-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.award-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}
.award-meta {
  font-size: 0.75rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
}
.award-note { font-size: 0.82rem; color: var(--text-secondary); }

/* ════════════════════════════════════════════════════════════════
   20. CONTACT
   ════════════════════════════════════════════════════════════════ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-blurb {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--badge-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  flex-shrink: 0;
}
.contact-item-icon svg { width: 20px; height: 20px; }
.contact-item-text { }
.contact-item-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.15rem;
}
.contact-item-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.contact-item-value a {
  color: var(--accent-1);
  transition: color 0.2s;
}
.contact-item-value a:hover { text-decoration: underline; }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group input, .form-group textarea {
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 44px;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(139,92,246,.15);
}
.form-group input.invalid, .form-group textarea.invalid {
  border-color: #ef4444;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.field-error {
  font-size: 0.75rem;
  color: #ef4444;
  min-height: 1rem;
}

/* Submit button states */
.btn-spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.btn.loading .btn-text { display: none; }
.btn.loading .btn-spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-status {
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.5rem;
  border-radius: 8px;
  padding: 0.5rem;
}
.form-status.success {
  background: rgba(34,197,94,.15);
  color: #22c55e;
}
.form-status.error {
  background: rgba(239,68,68,.15);
  color: #ef4444;
}

/* ════════════════════════════════════════════════════════════════
   21. FOOTER
   ════════════════════════════════════════════════════════════════ */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-socials { display: flex; gap: 0.6rem; }

/* ════════════════════════════════════════════════════════════════
   22. BACK TO TOP
   ════════════════════════════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover { transform: translateY(-3px); }

/* ════════════════════════════════════════════════════════════════
   23. FILE:// ERROR BANNER
   ════════════════════════════════════════════════════════════════ */
.file-error-banner {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #1a0a0a;
  color: #fca5a5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  font-family: var(--font-mono);
}
.file-error-banner h1 { color: #ef4444; margin-bottom: 1rem; }
.file-error-banner code {
  background: #2a0a0a;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════════════════════
   24. RESPONSIVE BREAKPOINTS
   ════════════════════════════════════════════════════════════════ */

/* ── ≤ 1024px ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-portrait-wrap { order: -1; display: flex; justify-content: center; }
  .portrait-card { width: clamp(220px, 60vw, 320px); }
  .portrait-chips { right: -0.5rem; }

  .about-grid { grid-template-columns: 1fr; }
  .about-sidebar { order: -1; }

  .skills-layout { grid-template-columns: 1fr; }
  .radar-wrap { max-width: 400px; margin: 0 auto; }

  .edu-awards-grid { gap: 2rem; }
  .contact-layout { grid-template-columns: 1fr; }

  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
}

/* ── ≤ 768px ── */
@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
  .edu-awards-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .nav-container { padding: 0.75rem 1.25rem; }
  .portrait-chips { display: none; }
}

/* ── ≤ 390px ── */
@media (max-width: 390px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-name { letter-spacing: -0.04em; }
  .btn { font-size: 0.82rem; padding: 0.65rem 1.2rem; }
  .glass-card { padding: 1.25rem; }
}

/* ── Ultrawide ── */
@media (min-width: 1600px) {
  .container { max-width: 1400px; }
  .hero-inner { max-width: 1400px; }
}

/* ════════════════════════════════════════════════════════════════
   25. REDUCED MOTION
   ════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  html { scroll-behavior: auto; }
}