/* ═══════════════════════════════════════════════════════════════
   YASH PRATAP SINGH — PORTFOLIO
   Design System: Cinematic Dark × Electric Lime
   Typography: Syne (Display) + Plus Jakarta Sans (Body)
═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Colors — Dark Mode */
  --bg-primary:    #080808;
  --bg-secondary:  #0f0f0f;
  --bg-card:       #111111;
  --bg-card-hover: #161616;
  --bg-glass:      rgba(255,255,255,0.04);
  --bg-glass-hover:rgba(255,255,255,0.07);

  --accent:        #C8FF00;
  --accent-dim:    rgba(200,255,0,0.15);
  --accent-glow:   rgba(200,255,0,0.35);

  --text-primary:  #F0EDE8;
  --text-secondary:#9A9590;
  --text-muted:    #5A5550;

  --border:        rgba(255,255,255,0.07);
  --border-accent: rgba(200,255,0,0.3);

  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(200,255,0,0.12) 0%, transparent 70%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --container:   1200px;
  --gap:         clamp(16px, 3vw, 32px);

  /* Motion */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:    0.2s;
  --dur-med:     0.4s;
  --dur-slow:    0.7s;

  /* Radius */
  --r-sm:  8px;
  --r-md:  16px;
  --r-lg:  24px;
  --r-xl:  32px;
  --r-full:9999px;
}

/* Light Mode Override */
body.light-mode {
  --bg-primary:    #F8F6F2;
  --bg-secondary:  #EFECE7;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #F5F3EF;
  --bg-glass:      rgba(0,0,0,0.03);
  --bg-glass-hover:rgba(0,0,0,0.06);
  --accent:        #5A8A00;
  --accent-dim:    rgba(90,138,0,0.12);
  --accent-glow:   rgba(90,138,0,0.25);
  --text-primary:  #1A1A1A;
  --text-secondary:#5A5550;
  --text-muted:    #9A9590;
  --border:        rgba(0,0,0,0.08);
  --border-accent: rgba(90,138,0,0.3);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(90,138,0,0.1) 0%, transparent 70%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--dur-med) var(--ease-out),
              color var(--dur-med) var(--ease-out);
}

body.loading { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, textarea { font-family: inherit; }

::selection { background: var(--accent); color: #080808; }

/* ── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: var(--r-full); }

/* ── NOISE OVERLAY ──────────────────────────────────────────── */
.noise-overlay {
  position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ── CUSTOM CURSOR ──────────────────────────────────────────── */
.cursor { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 10000; mix-blend-mode: difference; }
.cursor-dot {
  position: absolute; width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--dur-fast) var(--ease-out),
              width var(--dur-fast) var(--ease-out),
              height var(--dur-fast) var(--ease-out);
}
.cursor-ring {
  position: absolute; width: 36px; height: 36px;
  border: 1.5px solid var(--accent); border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.12s var(--ease-out),
              width 0.25s var(--ease-out),
              height 0.25s var(--ease-out),
              opacity 0.25s;
  opacity: 0.6;
}
.cursor.hovering .cursor-ring { width: 56px; height: 56px; opacity: 1; }
.cursor.clicking .cursor-dot { transform: translate(-50%, -50%) scale(2); }
@media (hover: none) { .cursor { display: none; } }

/* ── LOADER ─────────────────────────────────────────────────── */
.loader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; }
.loader-logo {
  width: 80px; height: 80px; border-radius: var(--r-md);
  background: var(--accent); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 32px;
  animation: loaderPulse 1.5s ease-in-out infinite;
}
.loader-initials {
  font-family: var(--font-display); font-weight: 800; font-size: 1.5rem;
  color: #080808; letter-spacing: -0.02em;
}
.loader-bar-wrap {
  width: 200px; height: 2px; background: var(--border);
  border-radius: var(--r-full); overflow: hidden; margin: 0 auto 16px;
}
.loader-bar {
  height: 100%; width: 0%; background: var(--accent);
  border-radius: var(--r-full);
  transition: width 0.1s linear;
}
.loader-text {
  font-size: 0.75rem; color: var(--text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  font-family: var(--font-display);
}
@keyframes loaderPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { transform: scale(1.05); box-shadow: 0 0 30px 10px var(--accent-dim); }
}

/* ── NAVIGATION ─────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 clamp(16px, 4vw, 48px);
  transition: background var(--dur-med) var(--ease-out),
              backdrop-filter var(--dur-med),
              border-color var(--dur-med);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-color: var(--border);
}
body.light-mode .nav.scrolled { background: rgba(248,246,242,0.85); }
.nav-inner {
  max-width: var(--container); margin: 0 auto;
  height: 72px; display: flex; align-items: center; gap: 32px;
}
.nav-logo {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-display); font-weight: 800; font-size: 1.1rem;
  letter-spacing: -0.02em; color: var(--text-primary);
  flex-shrink: 0;
}
.nav-logo-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: dotBlink 2s ease-in-out infinite;
}
@keyframes dotBlink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.nav-links {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto;
}
.nav-link {
  font-size: 0.85rem; font-weight: 500; color: var(--text-secondary);
  padding: 8px 14px; border-radius: var(--r-full);
  transition: color var(--dur-fast), background var(--dur-fast);
  letter-spacing: 0.01em;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary); background: var(--bg-glass);
}
.nav-link.active { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); background: var(--bg-glass);
  border: 1px solid var(--border);
  transition: all var(--dur-fast);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--border-accent); }
.theme-toggle svg { width: 16px; height: 16px; }
body.dark-mode .icon-sun { display: block; }
body.dark-mode .icon-moon { display: none; }
body.light-mode .icon-sun { display: none; }
body.light-mode .icon-moon { display: block; }
.btn-resume {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em;
  padding: 10px 20px; border-radius: var(--r-full);
  background: var(--accent); color: #080808;
  transition: transform var(--dur-fast) var(--ease-spring),
              box-shadow var(--dur-fast);
}
.btn-resume:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-resume svg { width: 14px; height: 14px; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: var(--r-sm); background: var(--bg-glass);
  border: 1px solid var(--border);
}
.nav-toggle span {
  display: block; width: 20px; height: 1.5px;
  background: var(--text-primary); border-radius: 2px;
  transition: all var(--dur-fast) var(--ease-out);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── CONTAINER ──────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

/* ── SECTION BASE ───────────────────────────────────────────── */
.section { padding: var(--section-pad) 0; position: relative; }
.section-header { margin-bottom: clamp(48px, 6vw, 80px); }
.section-tag {
  display: inline-block;
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.03em; color: var(--text-primary);
}
.section-title em {
  font-style: normal; color: var(--accent);
  position: relative;
}

/* ── REVEAL ANIMATIONS ──────────────────────────────────────── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0; transform: translateY(40px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1; transform: translate(0);
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.02em; padding: 16px 32px; border-radius: var(--r-full);
  background: var(--accent); color: #080808;
  transition: transform var(--dur-fast) var(--ease-spring),
              box-shadow var(--dur-fast), gap var(--dur-fast);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px var(--accent-glow);
  gap: 16px;
}
.btn-primary svg { width: 18px; height: 18px; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.02em; padding: 15px 32px; border-radius: var(--r-full);
  border: 1px solid var(--border); color: var(--text-primary);
  transition: all var(--dur-fast) var(--ease-out);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-dim);
}
.tag {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.05em; padding: 5px 12px; border-radius: var(--r-full);
  background: var(--bg-glass); border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--dur-fast);
}
.tag:hover { border-color: var(--border-accent); color: var(--accent); }

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 120px clamp(16px, 4vw, 48px) 80px;
  background: var(--bg-primary);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-hero); pointer-events: none;
}
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.4; pointer-events: none;
}
.hero-glow {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(80px); opacity: 0.15;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation: glowFloat 8s ease-in-out infinite;
}
.hero-glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #7B68EE 0%, transparent 70%);
  bottom: -100px; left: -100px;
  animation: glowFloat 10s ease-in-out infinite reverse;
}
@keyframes glowFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px,-20px) scale(1.05); }
  66% { transform: translate(-20px,30px) scale(0.95); }
}
.hero-content {
  position: relative; z-index: 2;
  max-width: var(--container); margin: 0 auto; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-secondary);
  padding: 8px 18px; border-radius: var(--r-full);
  border: 1px solid var(--border); background: var(--bg-glass);
  backdrop-filter: blur(10px); margin-bottom: 32px;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: badgePulse 2s ease-in-out infinite;
}
@keyframes badgePulse {
  0%,100% { box-shadow: 0 0 8px var(--accent); }
  50% { box-shadow: 0 0 20px var(--accent), 0 0 40px var(--accent-dim); }
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 800; line-height: 0.95;
  letter-spacing: -0.04em; margin-bottom: 24px;
  display: flex; flex-direction: column;
}
.hero-name-first { color: var(--text-primary); }
.hero-name-last {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--text-muted);
  transition: -webkit-text-stroke-color var(--dur-med);
}
.hero-name-last:hover { -webkit-text-stroke-color: var(--accent); }
.hero-role {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 600; color: var(--text-secondary);
  margin-bottom: 28px; flex-wrap: wrap;
}
.role-prefix { color: var(--text-muted); }
.typewriter-wrap { display: flex; align-items: center; gap: 2px; }
.typewriter { color: var(--accent); }
.typewriter-cursor {
  color: var(--accent); font-weight: 300;
  animation: cursorBlink 1s step-end infinite;
}
@keyframes cursorBlink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-tagline {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-secondary); line-height: 1.7;
  max-width: 560px; margin-bottom: 40px;
}
.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats {
  display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
}
.hero-stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800; color: var(--text-primary); line-height: 1;
  letter-spacing: -0.03em;
}
.stat-plus { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.05em; margin-top: 4px; }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-scroll-hint {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollHint 2s ease-in-out infinite;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@keyframes scrollHint { 0%,100%{opacity:0.5;transform:translateX(-50%) translateY(0)} 50%{opacity:1;transform:translateX(-50%) translateY(6px)} }

/* ═══════════════════════════════════════════════════════════════
   ABOUT SECTION
═══════════════════════════════════════════════════════════════ */
.about { background: var(--bg-secondary); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 80px); align-items: start;
}
.about-card-wrap { display: flex; flex-direction: column; gap: 20px; }
.about-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 32px;
  transition: border-color var(--dur-med), transform var(--dur-med) var(--ease-out);
}
.about-card:hover { border-color: var(--border-accent); transform: translateY(-4px); }
.about-card-inner { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.about-avatar {
  position: relative; width: 72px; height: 72px; flex-shrink: 0;
}
.avatar-ring {
  position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--accent); opacity: 0.5;
  animation: avatarSpin 8s linear infinite;
}
@keyframes avatarSpin { to { transform: rotate(360deg); } }
.avatar-initials {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-dim), var(--bg-glass));
  border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1.2rem;
  color: var(--accent); letter-spacing: -0.02em;
}
.avatar-glow {
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  animation: avatarGlow 3s ease-in-out infinite;
}
@keyframes avatarGlow { 0%,100%{opacity:0.5} 50%{opacity:1} }
.about-card-name {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: 1rem; color: var(--text-primary); letter-spacing: -0.01em;
}
.about-card-role { display: block; font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.about-card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.about-quote-card {
  background: var(--bg-card); border: 1px solid var(--border-accent);
  border-radius: var(--r-lg); padding: 28px;
  position: relative; overflow: hidden;
}
.about-quote-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
  pointer-events: none;
}
.quote-icon { width: 24px; height: 24px; color: var(--accent); margin-bottom: 12px; opacity: 0.7; }
.about-quote-card p {
  font-size: 0.9rem; line-height: 1.7; color: var(--text-secondary);
  font-style: italic; margin-bottom: 12px;
}
.quote-author { font-size: 0.75rem; color: var(--accent); font-weight: 600; letter-spacing: 0.05em; }
.about-bio {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem); line-height: 1.8;
  color: var(--text-secondary); margin-bottom: 20px;
}
.about-highlights { display: flex; flex-direction: column; gap: 16px; margin: 32px 0; }
.highlight-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 16px 20px; border-radius: var(--r-md);
  background: var(--bg-glass); border: 1px solid var(--border);
  transition: all var(--dur-fast);
}
.highlight-item:hover { border-color: var(--border-accent); background: var(--bg-glass-hover); }
.highlight-icon {
  width: 40px; height: 40px; border-radius: var(--r-sm);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.highlight-icon svg { width: 18px; height: 18px; color: var(--accent); }
.highlight-item strong { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.highlight-item span { font-size: 0.82rem; color: var(--text-muted); }
.about-langs { display: flex; gap: 20px; flex-wrap: wrap; }
.lang-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--text-secondary);
  padding: 8px 16px; border-radius: var(--r-full);
  background: var(--bg-glass); border: 1px solid var(--border);
}
.lang-flag { font-size: 1rem; }

/* ═══════════════════════════════════════════════════════════════
   SKILLS SECTION
═══════════════════════════════════════════════════════════════ */
.skills { background: var(--bg-primary); }
.skills-tabs {
  display: flex; gap: 8px; margin-bottom: 48px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-full); padding: 6px;
  width: fit-content;
}
.skills-tab {
  font-family: var(--font-display); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.03em; padding: 10px 24px; border-radius: var(--r-full);
  color: var(--text-muted);
  transition: all var(--dur-fast) var(--ease-out);
}
.skills-tab.active { background: var(--accent); color: #080808; }
.skills-tab:hover:not(.active) { color: var(--text-primary); background: var(--bg-glass); }
.skills-panel { display: none; }
.skills-panel.active { display: block; }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.skill-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px;
  transition: all var(--dur-med) var(--ease-out);
}
.skill-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.skill-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.skill-icon {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.skill-icon svg { width: 16px; height: 16px; color: var(--accent); }
.skill-name { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.skill-bar-wrap {
  height: 4px; background: var(--border); border-radius: var(--r-full);
  overflow: hidden; margin-bottom: 8px;
}
.skill-bar {
  height: 100%; width: 0%; border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--accent), rgba(200,255,0,0.6));
  transition: width 1.2s var(--ease-out);
}
.skill-level { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.05em; }
.skills-tags-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.skill-tag-card {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; border-radius: var(--r-md);
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 0.85rem; font-weight: 500; color: var(--text-secondary);
  transition: all var(--dur-fast);
  cursor: default;
}
.skill-tag-card:hover {
  border-color: var(--border-accent); color: var(--text-primary);
  background: var(--bg-card-hover); transform: translateY(-2px);
}
.stag-icon { font-size: 1.1rem; }
.soft-skills-grid {
  display: flex; gap: 32px; flex-wrap: wrap; justify-content: center;
}
.soft-skill { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.soft-skill-ring {
  position: relative; width: 100px; height: 100px;
}
.soft-skill-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 6; }
.ring-fill {
  fill: none; stroke: var(--accent); stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 251.2;
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 1.5s var(--ease-out);
}
.soft-skill-pct {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-family: var(--font-display); font-size: 1rem; font-weight: 800;
  color: var(--text-primary);
}
.soft-skill-name { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); text-align: center; }

/* ═══════════════════════════════════════════════════════════════
   EXPERIENCE SECTION
═══════════════════════════════════════════════════════════════ */
.experience { background: var(--bg-secondary); }
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 40px 1fr; gap: 24px; }
.timeline-marker { display: flex; flex-direction: column; align-items: center; padding-top: 28px; }
.timeline-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-dim);
  flex-shrink: 0; z-index: 1;
  transition: transform var(--dur-fast) var(--ease-spring);
}
.timeline-item:hover .timeline-dot { transform: scale(1.4); }
.timeline-line {
  width: 1px; flex: 1; min-height: 40px;
  background: linear-gradient(to bottom, var(--accent-dim), var(--border));
  margin-top: 8px;
}
.timeline-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 32px;
  margin-bottom: 24px;
  transition: all var(--dur-med) var(--ease-out);
  cursor: pointer;
}
.timeline-card:hover, .timeline-card:focus {
  border-color: var(--border-accent);
  transform: translateX(8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  outline: none;
}
.timeline-card-header { margin-bottom: 20px; }
.timeline-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.timeline-period { font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.05em; }
.timeline-badge {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 10px; border-radius: var(--r-full);
  background: var(--bg-glass); border: 1px solid var(--border);
  color: var(--text-muted);
}
.timeline-badge-accent { background: var(--accent-dim); border-color: var(--border-accent); color: var(--accent); }
.timeline-role {
  font-family: var(--font-display); font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.timeline-company { font-size: 0.88rem; color: var(--accent); font-weight: 600; }
.timeline-achievements { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.timeline-achievements li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6;
}
.ach-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0; margin-top: 7px;
}
.timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ═══════════════════════════════════════════════════════════════
   EDUCATION SECTION
═══════════════════════════════════════════════════════════════ */
.education { background: var(--bg-primary); }
.edu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.edu-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 36px;
  position: relative; overflow: hidden;
  transition: all var(--dur-med) var(--ease-out);
}
.edu-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.edu-card-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.edu-card-accent-2 {
  background: linear-gradient(90deg, #7B68EE, transparent);
}
.edu-icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.edu-icon svg { width: 24px; height: 24px; color: var(--accent); }
.edu-period { font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.05em; display: block; margin-bottom: 8px; }
.edu-degree {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 6px;
}
.edu-institution { display: block; font-size: 0.88rem; color: var(--accent); font-weight: 600; margin-bottom: 4px; }
.edu-location { display: block; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 16px; }
.edu-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.edu-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ═══════════════════════════════════════════════════════════════
   ACHIEVEMENTS SECTION
═══════════════════════════════════════════════════════════════ */
.achievements { background: var(--bg-secondary); }
.stats-banner {
  display: flex; align-items: center; justify-content: space-around;
  flex-wrap: wrap; gap: 24px;
  background: var(--bg-card); border: 1px solid var(--border-accent);
  border-radius: var(--r-xl); padding: 40px;
  margin-bottom: 48px;
  position: relative; overflow: hidden;
}
.stats-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
  pointer-events: none;
}
.stat-banner-item { text-align: center; position: relative; z-index: 1; }
.sbi-num {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; color: var(--accent); line-height: 1;
  letter-spacing: -0.03em;
}
.sbi-plus { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.sbi-label { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; letter-spacing: 0.03em; }
.stat-banner-divider { width: 1px; height: 60px; background: var(--border); }
.awards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 48px; }
.award-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 32px;
  position: relative; overflow: hidden;
  transition: all var(--dur-med) var(--ease-out);
}
.award-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.award-glow {
  position: absolute; top: -40px; right: -40px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity var(--dur-med);
}
.award-card:hover .award-glow { opacity: 2; }
.award-icon { font-size: 2.5rem; margin-bottom: 16px; }
.award-title {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 12px;
}
.award-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.award-metric { display: flex; align-items: baseline; gap: 8px; }
.metric-num {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 800;
  color: var(--accent); letter-spacing: -0.03em;
}
.metric-label { font-size: 0.78rem; color: var(--text-muted); }
.books-section { }
.books-title {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 20px; letter-spacing: -0.02em;
}
.books-grid { display: flex; gap: 16px; flex-wrap: wrap; }
.book-card {
  display: flex; align-items: center; gap: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
  transition: all var(--dur-fast);
}
.book-card:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.book-spine { width: 8px; height: 100%; min-height: 64px; background: var(--accent); flex-shrink: 0; }
.book-spine-2 { background: #7B68EE; }
.book-content {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
}
.book-icon { font-size: 1.4rem; }
.book-content strong { display: block; font-size: 0.88rem; font-weight: 700; color: var(--text-primary); }
.book-content span { font-size: 0.75rem; color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════════
   CONTACT SECTION
═══════════════════════════════════════════════════════════════ */
.contact { background: var(--bg-primary); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px); align-items: start;
}
.contact-intro {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem); color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 40px;
}
.contact-links { display: flex; flex-direction: column; gap: 12px; margin-bottom: 40px; }
.contact-link {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; border-radius: var(--r-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: all var(--dur-fast) var(--ease-out);
}
.contact-link:hover {
  border-color: var(--border-accent);
  transform: translateX(8px);
  background: var(--bg-card-hover);
}
.contact-link-icon {
  width: 44px; height: 44px; border-radius: var(--r-sm);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-link-icon svg { width: 18px; height: 18px; color: var(--accent); }
.contact-link-text { flex: 1; }
.contact-link-label { display: block; font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 2px; }
.contact-link-value { display: block; font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.contact-link-arrow { width: 18px; height: 18px; color: var(--text-muted); transition: transform var(--dur-fast), color var(--dur-fast); }
.contact-link:hover .contact-link-arrow { transform: translateX(4px); color: var(--accent); }
.btn-download-resume {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-size: 0.88rem; font-weight: 700;
  letter-spacing: 0.03em; padding: 16px 28px; border-radius: var(--r-full);
  border: 1.5px solid var(--accent); color: var(--accent);
  transition: all var(--dur-fast) var(--ease-spring);
}
.btn-download-resume:hover {
  background: var(--accent); color: #080808;
  transform: translateY(-3px); box-shadow: 0 12px 32px var(--accent-glow);
}
.btn-download-resume svg { width: 18px; height: 18px; }
.contact-form-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 40px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.form-input, .form-textarea {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 14px 18px;
  font-size: 0.9rem; color: var(--text-primary);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  resize: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.btn-submit {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.03em; padding: 16px 32px; border-radius: var(--r-full);
  background: var(--accent); color: #080808;
  transition: all var(--dur-fast) var(--ease-spring);
}
.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 12px 32px var(--accent-glow); }
.btn-submit svg { width: 18px; height: 18px; }
.form-success {
  display: none; align-items: center; gap: 10px;
  padding: 14px 20px; border-radius: var(--r-md);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  font-size: 0.88rem; color: var(--accent); font-weight: 600;
}
.form-success.show { display: flex; }
.form-success svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════ */
.footer {
  padding: 32px 0; border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-left { display: flex; align-items: center; gap: 16px; }
.footer-logo {
  font-family: var(--font-display); font-weight: 800; font-size: 1rem;
  color: var(--accent); letter-spacing: -0.02em;
}
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }
.footer-made { font-size: 0.78rem; color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 480px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    background: var(--bg-secondary); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 24px;
    transform: translateY(-100%); opacity: 0;
    transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-med);
    pointer-events: none; z-index: 999;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-link { padding: 14px 20px; font-size: 1rem; border-radius: var(--r-md); }
  .nav-toggle { display: flex; }
  .btn-resume span { display: none; }
  .btn-resume { padding: 10px 14px; }
  .hero-stats { gap: 20px; }
  .hero-stat-divider { display: none; }
  .skills-tabs { flex-wrap: wrap; border-radius: var(--r-lg); }
  .soft-skills-grid { gap: 20px; }
  .stats-banner { padding: 28px 20px; }
  .stat-banner-divider { display: none; }
  .timeline-item { grid-template-columns: 24px 1fr; gap: 16px; }
  .timeline-card { padding: 24px; }
  .contact-form-wrap { padding: 28px 20px; }
  .br-desktop { display: none; }
}

@media (max-width: 480px) {
  .hero-name { font-size: clamp(2.8rem, 12vw, 4rem); }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .skills-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ── UTILITY ────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}