/* ══════════════════════════════════════════════════════════
   Rahul Kumar – Premium Portfolio 2.0
   5 Themes: Cyberpunk · Ocean · Aurora · Ember · Daylight
   ══════════════════════════════════════════════════════════ */

/* ─── THEME: CYBERPUNK ─── */
[data-theme="cyberpunk"] {
  --bg: #07060e;
  --bg-alt: #0d0b1e;
  --surface: rgba(14, 12, 34, 0.94);
  --surface-hover: rgba(22, 18, 52, 0.96);
  --glass: rgba(14, 12, 34, 0.6);
  --glass-strong: rgba(14, 12, 34, 0.82);
  --glass-border: rgba(139, 92, 246, 0.18);
  --border: rgba(139, 92, 246, 0.12);
  --border-hover: rgba(139, 92, 246, 0.35);
  --text: #ede9fe;
  --text-soft: #a8a0c8;
  --text-softer: #6e6490;
  --primary: #a855f7;
  --primary-rgb: 168, 85, 247;
  --primary-soft: rgba(168, 85, 247, 0.12);
  --primary-strong: #9333ea;
  --accent: #22d3ee;
  --accent-rgb: 34, 211, 238;
  --accent-soft: rgba(34, 211, 238, 0.1);
  --gradient-start: #a855f7;
  --gradient-mid: #ec4899;
  --gradient-end: #22d3ee;
  --glow: rgba(168, 85, 247, 0.35);
  --glow-accent: rgba(34, 211, 238, 0.3);
  --particle-color: 168, 85, 247;
  --card-shine: linear-gradient(135deg, rgba(168,85,247,0.07) 0%, transparent 50%);
  --hero-gradient:
    radial-gradient(ellipse at 15% 50%, rgba(168,85,247,0.16) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(34,211,238,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 55% 85%, rgba(236,72,153,0.08) 0%, transparent 45%);
  --scrollbar-track: #0d0b1e;
  --scrollbar-thumb: rgba(168,85,247,0.3);
  --selection-bg: rgba(168,85,247,0.25);
  --selection-text: #e9d5ff;
  --mobile-nav-bg: #07060efa;
}

/* ─── THEME: OCEAN ─── */
[data-theme="ocean"] {
  --bg: #020c1b;
  --bg-alt: #071a30;
  --surface: rgba(7, 26, 48, 0.94);
  --surface-hover: rgba(12, 36, 64, 0.96);
  --glass: rgba(7, 26, 48, 0.6);
  --glass-strong: rgba(7, 26, 48, 0.82);
  --glass-border: rgba(100, 255, 218, 0.15);
  --border: rgba(100, 255, 218, 0.1);
  --border-hover: rgba(100, 255, 218, 0.3);
  --text: #ccd6f6;
  --text-soft: #8892b0;
  --text-softer: #5a6580;
  --primary: #64ffda;
  --primary-rgb: 100, 255, 218;
  --primary-soft: rgba(100, 255, 218, 0.08);
  --primary-strong: #38d9a9;
  --accent: #57cbff;
  --accent-rgb: 87, 203, 255;
  --accent-soft: rgba(87, 203, 255, 0.08);
  --gradient-start: #64ffda;
  --gradient-mid: #38bdf8;
  --gradient-end: #57cbff;
  --glow: rgba(100, 255, 218, 0.25);
  --glow-accent: rgba(87, 203, 255, 0.2);
  --particle-color: 100, 255, 218;
  --card-shine: linear-gradient(135deg, rgba(100,255,218,0.05) 0%, transparent 50%);
  --hero-gradient:
    radial-gradient(ellipse at 20% 50%, rgba(100,255,218,0.1) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(87,203,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(100,255,218,0.05) 0%, transparent 45%);
  --scrollbar-track: #071a30;
  --scrollbar-thumb: rgba(100,255,218,0.25);
  --selection-bg: rgba(100,255,218,0.2);
  --selection-text: #ccd6f6;
  --mobile-nav-bg: #020c1bfa;
}

/* ─── THEME: AURORA ─── */
[data-theme="aurora"] {
  --bg: #050816;
  --bg-alt: #0b0f28;
  --surface: rgba(11, 15, 40, 0.94);
  --surface-hover: rgba(18, 24, 58, 0.96);
  --glass: rgba(11, 15, 40, 0.6);
  --glass-strong: rgba(11, 15, 40, 0.82);
  --glass-border: rgba(16, 185, 129, 0.15);
  --border: rgba(16, 185, 129, 0.1);
  --border-hover: rgba(16, 185, 129, 0.3);
  --text: #e0f2fe;
  --text-soft: #93c5fd;
  --text-softer: #5b7eb0;
  --primary: #10b981;
  --primary-rgb: 16, 185, 129;
  --primary-soft: rgba(16, 185, 129, 0.1);
  --primary-strong: #059669;
  --accent: #818cf8;
  --accent-rgb: 129, 140, 248;
  --accent-soft: rgba(129, 140, 248, 0.1);
  --gradient-start: #10b981;
  --gradient-mid: #06b6d4;
  --gradient-end: #818cf8;
  --glow: rgba(16, 185, 129, 0.25);
  --glow-accent: rgba(129, 140, 248, 0.2);
  --particle-color: 16, 185, 129;
  --card-shine: linear-gradient(135deg, rgba(16,185,129,0.05) 0%, transparent 50%);
  --hero-gradient:
    radial-gradient(ellipse at 25% 45%, rgba(16,185,129,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 25%, rgba(129,140,248,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 85%, rgba(56,189,248,0.06) 0%, transparent 45%);
  --scrollbar-track: #0b0f28;
  --scrollbar-thumb: rgba(16,185,129,0.25);
  --selection-bg: rgba(16,185,129,0.2);
  --selection-text: #e0f2fe;
  --mobile-nav-bg: #050816fa;
}

/* ─── THEME: EMBER ─── */
[data-theme="ember"] {
  --bg: #150808;
  --bg-alt: #1e0e0e;
  --surface: rgba(30, 14, 14, 0.94);
  --surface-hover: rgba(44, 20, 20, 0.96);
  --glass: rgba(30, 14, 14, 0.6);
  --glass-strong: rgba(30, 14, 14, 0.82);
  --glass-border: rgba(251, 146, 60, 0.15);
  --border: rgba(251, 146, 60, 0.1);
  --border-hover: rgba(251, 146, 60, 0.3);
  --text: #fde8d8;
  --text-soft: #c8a08a;
  --text-softer: #8a6050;
  --primary: #fb923c;
  --primary-rgb: 251, 146, 60;
  --primary-soft: rgba(251, 146, 60, 0.1);
  --primary-strong: #ea580c;
  --accent: #f472b6;
  --accent-rgb: 244, 114, 182;
  --accent-soft: rgba(244, 114, 182, 0.1);
  --gradient-start: #fb923c;
  --gradient-mid: #ef4444;
  --gradient-end: #f472b6;
  --glow: rgba(251, 146, 60, 0.25);
  --glow-accent: rgba(244, 114, 182, 0.2);
  --particle-color: 251, 146, 60;
  --card-shine: linear-gradient(135deg, rgba(251,146,60,0.05) 0%, transparent 50%);
  --hero-gradient:
    radial-gradient(ellipse at 20% 50%, rgba(251,146,60,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(244,114,182,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 85%, rgba(239,68,68,0.06) 0%, transparent 45%);
  --scrollbar-track: #1e0e0e;
  --scrollbar-thumb: rgba(251,146,60,0.25);
  --selection-bg: rgba(251,146,60,0.2);
  --selection-text: #fde8d8;
  --mobile-nav-bg: #150808fa;
}

/* ─── THEME: DAYLIGHT (LIGHT) ─── */
[data-theme="daylight"] {
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-hover: rgba(255, 255, 255, 0.98);
  --glass: rgba(255, 255, 255, 0.65);
  --glass-strong: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(99, 102, 241, 0.15);
  --border: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(99, 102, 241, 0.25);
  --text: #0f172a;
  --text-soft: #475569;
  --text-softer: #94a3b8;
  --primary: #6366f1;
  --primary-rgb: 99, 102, 241;
  --primary-soft: rgba(99, 102, 241, 0.08);
  --primary-strong: #4f46e5;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;
  --accent-soft: rgba(6, 182, 212, 0.08);
  --gradient-start: #6366f1;
  --gradient-mid: #a855f7;
  --gradient-end: #06b6d4;
  --glow: rgba(99, 102, 241, 0.18);
  --glow-accent: rgba(6, 182, 212, 0.15);
  --particle-color: 99, 102, 241;
  --card-shine: linear-gradient(135deg, rgba(99,102,241,0.04) 0%, transparent 50%);
  --hero-gradient:
    radial-gradient(ellipse at 15% 50%, rgba(99,102,241,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(6,182,212,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 55% 85%, rgba(168,85,247,0.04) 0%, transparent 45%);
  --scrollbar-track: #f1f5f9;
  --scrollbar-thumb: rgba(99,102,241,0.2);
  --selection-bg: rgba(99,102,241,0.15);
  --selection-text: #312e81;
  --mobile-nav-bg: #f8fafcfa;
  color-scheme: light;
}

/* ─── SHARED TOKENS ─── */
:root {
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
  --shadow-glow: 0 8px 32px var(--glow);
  --transition: 300ms var(--ease-out);
  --transition-fast: 160ms var(--ease-out);
}

/* Light theme shadow overrides */
[data-theme="daylight"] {
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow: 0 8px 32px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
  --shadow-glow: 0 8px 32px rgba(99,102,241,0.1);
}

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

body {
  font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
  line-height: 1.65;
  transition: background 500ms ease, color 400ms ease;
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ─── PARTICLE CANVAS ─── */
.particle-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
  opacity: 0.5;
  transition: opacity 500ms ease;
}
[data-theme="daylight"] .particle-canvas { opacity: 0.25; }

/* ─── CURSOR ─── */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  border-radius: 50%;
  will-change: transform;
}
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  box-shadow: 0 0 14px var(--glow);
  transform: translate(-50%, -50%);
  transition: width 250ms var(--ease-spring), height 250ms var(--ease-spring), background 200ms;
}
.cursor-ring {
  width: 42px; height: 42px;
  border: 1.5px solid var(--primary);
  opacity: 0.3;
  transform: translate(-50%, -50%);
  transition: width 350ms var(--ease-spring), height 350ms var(--ease-spring), border-color 250ms, opacity 250ms;
}
.cursor-ring.is-hover {
  width: 68px; height: 68px;
  border-color: var(--accent);
  opacity: 0.55;
}
.cursor-dot.is-hover {
  width: 14px; height: 14px;
  background: var(--accent);
}

/* ─── SCROLL PROGRESS ─── */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 3px;
  z-index: 1001;
  background: rgba(0,0,0,0.05);
}
.scroll-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  transform: scaleX(0); transform-origin: left;
  box-shadow: 0 0 12px var(--glow);
}

/* ─── TOAST ─── */
.toast {
  position: fixed; bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(120%);
  padding: 12px 28px;
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-pill);
  font-size: 0.85rem; font-weight: 500;
  color: var(--text);
  z-index: 9998;
  opacity: 0;
  transition: transform 500ms var(--ease-spring), opacity 350ms;
  box-shadow: var(--shadow-lg);
}
.toast--visible { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ─── THEME PANEL ─── */
.theme-panel {
  position: fixed; right: 24px; bottom: 24px;
  z-index: 999;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.theme-panel__toggle {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hover);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  box-shadow: var(--shadow), 0 0 24px var(--glow);
  transition: var(--transition);
  z-index: 2;
}
.theme-panel__toggle:hover {
  transform: scale(1.12) rotate(20deg);
  box-shadow: var(--shadow-lg), 0 0 40px var(--glow);
}
.theme-panel__drawer {
  position: absolute; bottom: 68px; right: 0;
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-width: 190px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transform: translateY(12px) scale(0.92);
  transition: all 350ms var(--ease-spring);
}
.theme-panel__drawer.is-open {
  opacity: 1; visibility: visible;
  transform: translateY(0) scale(1);
}
.theme-panel__label {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-softer); margin-bottom: 14px; font-weight: 700;
}
.theme-options { display: flex; flex-direction: column; gap: 4px; }
.theme-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: 0.85rem; font-weight: 500;
}
.theme-btn:hover, .theme-btn.active { background: var(--primary-soft); }
.theme-btn.active { color: var(--primary); font-weight: 700; }
.theme-swatch {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(128,128,128,0.2);
  flex-shrink: 0;
  transition: transform 250ms var(--ease-spring), box-shadow 250ms;
}
.theme-btn:hover .theme-swatch { transform: scale(1.15); }
.theme-btn.active .theme-swatch { box-shadow: 0 0 12px var(--glow); border-color: var(--primary); }
.theme-btn--cyberpunk .theme-swatch { background: linear-gradient(135deg, #a855f7, #22d3ee); }
.theme-btn--ocean .theme-swatch { background: linear-gradient(135deg, #64ffda, #57cbff); }
.theme-btn--aurora .theme-swatch { background: linear-gradient(135deg, #10b981, #818cf8); }
.theme-btn--ember .theme-swatch { background: linear-gradient(135deg, #fb923c, #f472b6); }
.theme-btn--daylight .theme-swatch { background: linear-gradient(135deg, #6366f1, #06b6d4); border-color: rgba(0,0,0,0.1); }

/* ─── NAVIGATION ─── */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%;
  z-index: 900; padding: 14px 0;
  transition: transform 450ms var(--ease-out), background 350ms, box-shadow 350ms;
}
.site-header::before {
  content: ''; position: absolute; inset: 0;
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  opacity: 0; transition: opacity 350ms;
}
.site-header.is-scrolled::before { opacity: 1; }
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.site-header.is-hidden { transform: translateY(-100%); }

.nav {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 1;
}
.nav__logo {
  display: flex; align-items: center; gap: 4px;
  font-size: 1.5rem; font-weight: 800;
  letter-spacing: -0.03em;
}
.nav__logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 14px var(--glow);
  animation: pulse-glow 2.5s ease-in-out infinite;
}
.nav__links {
  display: flex; gap: 6px; align-items: center;
}
.nav__link {
  padding: 8px 18px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--radius-pill);
  transition: var(--transition);
  position: relative;
}
.nav__link::after {
  content: ''; position: absolute;
  bottom: 2px; left: 50%;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 2px;
  transition: width 350ms var(--ease-spring), left 350ms var(--ease-spring);
}
.nav__link:hover { color: var(--text); background: var(--primary-soft); }
.nav__link:hover::after, .nav__link.is-active::after { width: 22px; left: calc(50% - 11px); }
.nav__link.is-active { color: var(--primary); }

.nav__actions { display: flex; align-items: center; gap: 12px; }
.nav__hire-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff; font-weight: 600; font-size: 0.85rem;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--glow);
  position: relative; overflow: hidden;
}
.nav__hire-btn::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
}
.nav__hire-btn:hover::before { animation: btn-shine 700ms ease forwards; }
.nav__hire-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--glow);
}
.nav__hire-btn i { font-size: 0.75rem; transition: transform 350ms var(--ease-spring); }
.nav__hire-btn:hover i { transform: translateX(5px); }

[data-theme="daylight"] .nav__hire-btn { color: #fff; }

.nav__toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; height: 24px; justify-content: center; z-index: 10;
}
.nav__toggle-bar {
  width: 100%; height: 2.5px;
  background: var(--text); border-radius: 4px;
  transition: var(--transition); transform-origin: center;
}
.nav__toggle.is-open .nav__toggle-bar:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav__toggle.is-open .nav__toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.is-open .nav__toggle-bar:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ─── GRADIENT & HIGHLIGHT ─── */
.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  background-size: 200% 200%;
  animation: gradient-shift 6s ease infinite;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.highlight { color: var(--primary); font-weight: 600; }

/* ─── SECTION ─── */
.section {
  padding: 120px 0;
  position: relative; z-index: 1;
}
.section--alt { background: var(--bg-alt); }
.section__header { text-align: center; margin-bottom: 68px; }
.section__header--row {
  display: flex; align-items: flex-start; justify-content: space-between;
  text-align: left; gap: 32px; flex-wrap: wrap;
}
.section__eyebrow {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--primary); margin-bottom: 14px;
  padding: 6px 18px;
  background: var(--primary-soft);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
}
.section__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.12; margin-bottom: 16px;
}
.section__subtitle {
  font-size: 1.05rem; color: var(--text-soft);
  max-width: 560px; margin: 0 auto; line-height: 1.75;
}
.section__header--row .section__subtitle { margin: 0; }

/* ─── KEYFRAMES ─── */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px var(--glow), 0 0 3px var(--glow); }
  50% { box-shadow: 0 0 24px var(--glow), 0 0 8px var(--glow); }
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(2deg); }
}
@keyframes float-offset {
  0%, 100% { transform: translateY(0) rotate(3deg); }
  50% { transform: translateY(-18px) rotate(-3deg); }
}
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes slide-down {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
}
@keyframes shape-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -50px) scale(1.08); }
  66% { transform: translate(-30px, 25px) scale(0.94); }
}
@keyframes shape-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-45px, 35px) scale(0.92); }
  66% { transform: translate(30px, -35px) scale(1.06); }
}
@keyframes hero-ring-spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes btn-shine {
  to { transform: translateX(100%); }
}
@keyframes card-border-glow {
  0%, 100% { border-color: var(--border); }
  50% { border-color: var(--border-hover); }
}

/* Scroll-triggered hero animations */
.anim-fade-up {
  opacity: 0; transform: translateY(44px);
  animation: anim-fade-up-kf 850ms var(--ease-out) forwards;
  animation-delay: calc(var(--d, 0) * 130ms + 200ms);
}
@keyframes anim-fade-up-kf { to { opacity: 1; transform: translateY(0); } }

.anim-scale-in {
  opacity: 0; transform: scale(0.82);
  animation: anim-scale-in-kf 1000ms var(--ease-spring) forwards;
  animation-delay: calc(var(--d, 0) * 130ms + 500ms);
}
@keyframes anim-scale-in-kf { to { opacity: 1; transform: scale(1); } }

/* Intersection observer animations */
[data-animate] {
  opacity: 0;
  transition: opacity 750ms var(--ease-out), transform 750ms var(--ease-out);
}
[data-animate="fade-up"] { transform: translateY(50px); }
[data-animate="fade-left"] { transform: translateX(60px); }
[data-animate="fade-right"] { transform: translateX(-60px); }
[data-animate="scale-in"] { transform: scale(0.88); }
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 120px 0 60px;
  position: relative; overflow: hidden;
}
.hero__bg-shapes {
  position: absolute; inset: 0;
  pointer-events: none; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: var(--hero-gradient);
  pointer-events: none; z-index: 0;
}
.shape {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: 0.35;
  will-change: transform;
}
.shape--1 {
  width: 550px; height: 550px;
  top: -12%; left: -6%;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.3), transparent 70%);
  animation: shape-float-1 20s ease-in-out infinite;
}
.shape--2 {
  width: 450px; height: 450px;
  bottom: -12%; right: -6%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.22), transparent 70%);
  animation: shape-float-2 24s ease-in-out infinite;
}
.shape--3 {
  width: 350px; height: 350px;
  top: 48%; left: 48%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.12), transparent 70%);
  animation: shape-float-1 16s ease-in-out infinite reverse;
}
[data-theme="daylight"] .shape { opacity: 0.2; }

.hero__inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 80px; align-items: center;
  position: relative; z-index: 1;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 22px;
  background: var(--primary-soft);
  border: 1px solid rgba(var(--primary-rgb), 0.18);
  border-radius: var(--radius-pill);
  font-size: 0.82rem; font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px; width: fit-content;
}
.hero__badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--glow);
  animation: pulse-glow 2.5s ease-in-out infinite;
}
.hero__title {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 900; line-height: 1.06;
  letter-spacing: -0.04em; margin-bottom: 18px;
}
.hero__title-line {
  display: block; color: var(--text-soft);
  font-size: 0.42em; font-weight: 500;
  letter-spacing: 0.02em; margin-bottom: 6px;
}
.hero__title-name { display: block; }
.hero__typed-wrap {
  font-size: 1.3rem; font-weight: 400;
  margin-bottom: 22px; color: var(--text-soft);
  min-height: 2rem;
}
.hero__typed {
  color: var(--accent); font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}
.hero__typed-cursor {
  color: var(--primary);
  animation: cursor-blink 1s step-end infinite;
  font-weight: 300; margin-left: 2px;
}
.hero__subtitle {
  font-size: 1.05rem; color: var(--text-soft);
  line-height: 1.8; margin-bottom: 34px; max-width: 540px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero__stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.stat-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem; color: var(--text-soft);
  transition: var(--transition);
}
.stat-chip:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.stat-chip i { color: var(--primary); font-size: 0.85rem; }

.hero__stack { display: flex; align-items: center; gap: 16px; }
.hero__stack-label {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--text-softer); font-weight: 700;
}
.hero__stack-icons { display: flex; gap: 8px; }
.stack-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1.15rem; color: var(--text-soft);
  transition: all 350ms var(--ease-spring);
}
.stack-icon:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-5px) scale(1.08);
  box-shadow: 0 8px 24px var(--glow);
}

/* ─── HERO CARD ─── */
.hero__visual {
  position: relative;
  display: flex; justify-content: center; align-items: center;
}
.hero-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  max-width: 320px; width: 100%;
  transition: transform 400ms var(--ease-out), box-shadow 400ms;
  overflow: visible;
  box-shadow: var(--shadow);
}
.hero-card:hover {
  transform: translateY(-10px) !important;
  box-shadow: var(--shadow-lg), 0 0 40px var(--glow);
}
.hero-card__glow {
  position: absolute; inset: -3px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--accent-rgb), 0.12));
  z-index: -1; filter: blur(28px);
  opacity: 0.4; transition: opacity 500ms;
}
.hero-card:hover .hero-card__glow { opacity: 0.75; }

.hero-card__rings { position: absolute; top: 50%; left: 50%; pointer-events: none; }
.ring {
  position: absolute; top: 50%; left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(var(--primary-rgb), 0.08);
}
.ring--1 { width: 360px; height: 360px; animation: hero-ring-spin 28s linear infinite; }
.ring--2 { width: 440px; height: 440px; border-color: rgba(var(--accent-rgb), 0.06); animation: hero-ring-spin 38s linear infinite reverse; }
.ring--3 { width: 520px; height: 520px; border-color: rgba(var(--primary-rgb), 0.04); animation: hero-ring-spin 52s linear infinite; }
[data-theme="daylight"] .ring { border-color: rgba(var(--primary-rgb), 0.06); }

.hero-card__avatar-wrap {
  width: 120px; height: 120px;
  margin: 0 auto 22px;
  border-radius: 50%; padding: 4px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  background-size: 200% 200%;
  animation: gradient-shift 4s ease infinite;
  box-shadow: 0 0 32px var(--glow);
}
.hero-card__avatar {
  width: 100%; height: 100%;
  border-radius: 50%; object-fit: cover;
  border: 3px solid var(--bg);
  transition: transform 500ms var(--ease-spring);
}
.hero-card__avatar:hover { transform: scale(1.06); }
.hero-card__name { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.hero-card__role { font-size: 0.85rem; color: var(--text-soft); margin-bottom: 18px; }
.hero-card__tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.hero-card__tags span {
  padding: 5px 14px;
  background: var(--primary-soft);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: var(--radius-pill);
  font-size: 0.74rem; font-weight: 500; color: var(--primary);
  transition: var(--transition);
}
.hero-card__tags span:hover { background: rgba(var(--primary-rgb), 0.18); transform: translateY(-2px); }
.hero-card__signal {
  display: flex; align-items: center; gap: 8px;
  justify-content: center;
  font-size: 0.82rem; color: var(--text-soft);
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34,197,94,0.5);
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Floating badges */
.float-badge {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-pill);
  font-size: 0.82rem; font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow);
  z-index: 2;
}
.float-badge i { color: var(--primary); }
.float-badge--top { top: 8%; right: -12%; animation: float 4.5s ease-in-out infinite; }
.float-badge--bottom { bottom: 12%; left: -12%; animation: float-offset 5.5s ease-in-out infinite; }

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 8px; z-index: 2;
}
.scroll-hint__mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--text-softer);
  border-radius: 14px;
  display: flex; justify-content: center; padding-top: 8px;
}
.scroll-hint__wheel {
  width: 4px; height: 8px;
  background: var(--primary); border-radius: 4px;
  animation: slide-down 1.6s ease-in-out infinite;
}
.scroll-hint__label {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--text-softer); font-weight: 600;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all 350ms var(--ease-spring);
  position: relative; overflow: hidden;
}
.btn i { font-size: 0.85rem; }
.btn--primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  box-shadow: 0 4px 22px var(--glow);
}
.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 36px var(--glow);
}
.btn-glow {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: translateX(-100%);
}
.btn--primary:hover .btn-glow { animation: btn-shine 650ms ease forwards; }
.btn--outline {
  background: transparent;
  border: 2px solid var(--border-hover);
  color: var(--text);
}
.btn--outline:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px var(--glow);
  background: var(--primary-soft);
}
.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
}
.btn--ghost:hover {
  border-color: var(--border-hover); color: var(--text);
  background: var(--primary-soft);
  transform: translateY(-2px);
}
.btn--sm { padding: 8px 18px; font-size: 0.8rem; }
.btn--full { width: 100%; justify-content: center; }

.icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-soft); font-size: 0.85rem;
  transition: all 300ms var(--ease-spring);
}
.icon-btn:hover {
  border-color: var(--primary); color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-3px) rotate(-5deg);
  box-shadow: 0 6px 20px var(--glow);
}

/* ─── ABOUT BENTO ─── */
.about-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.bento-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 450ms var(--ease-out);
  overflow: hidden; position: relative;
}
.bento-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--card-shine);
  pointer-events: none; opacity: 0;
  transition: opacity 450ms;
}
.bento-card:hover::before { opacity: 1; }
.bento-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow), 0 0 24px var(--glow);
}
.bento-card__inner { padding: 28px; }
.bento-icon {
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(var(--accent-rgb), 0.06));
  border-radius: var(--radius-md);
  font-size: 1.25rem; color: var(--primary);
  margin-bottom: 18px;
  transition: transform 350ms var(--ease-spring);
}
.bento-card:hover .bento-icon { transform: scale(1.1) rotate(-5deg); }
.bento-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.bento-card p { color: var(--text-soft); font-size: 0.92rem; line-height: 1.7; }
.bento-card p + p { margin-top: 10px; }
.bento-card--bio { grid-column: span 2; }
.bento-card--stats { grid-column: span 3; }

.location-name { font-weight: 600; color: var(--text) !important; font-size: 1rem !important; }
.location-sub { font-size: 0.85rem !important; margin-top: 4px !important; }

.focus-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.focus-pill {
  padding: 8px 16px;
  background: var(--primary-soft);
  border: 1px solid rgba(var(--primary-rgb), 0.1);
  border-radius: var(--radius-pill);
  font-size: 0.82rem; font-weight: 500;
  transition: all 300ms var(--ease-spring);
}
.focus-pill:hover { border-color: var(--primary); transform: translateY(-3px) scale(1.04); }

.edu-degree { font-weight: 600; color: var(--text) !important; font-size: 1rem !important; }
.edu-college { font-size: 0.88rem !important; margin-top: 4px !important; }
.edu-meta-row { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.edu-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: var(--primary-soft);
  border-radius: var(--radius-pill);
  font-size: 0.78rem; font-weight: 500; color: var(--text-soft);
}
.edu-badge i { color: var(--primary); }
.edu-badge--gold { color: #eab308; }
.edu-badge--gold i { color: #eab308; }

.quick-stats { display: flex; gap: 48px; justify-content: center; padding: 24px 0; }
.quick-stat { text-align: center; }
.quick-stat__num {
  display: block;
  font-size: 3rem; font-weight: 900;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  background-size: 200% 200%;
  animation: gradient-shift 5s ease infinite;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1; margin-bottom: 6px;
}
.quick-stat__label { font-size: 0.82rem; color: var(--text-softer); font-weight: 500; }

/* ─── SKILLS ─── */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 450ms var(--ease-out);
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--card-shine);
  pointer-events: none; opacity: 0;
  transition: opacity 450ms;
}
.skill-card:hover::before { opacity: 1; }
.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow), 0 0 28px var(--glow);
}
.skill-card--wide { grid-column: span 3; }
.skill-card__icon {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(var(--accent-rgb), 0.06));
  border-radius: var(--radius-md);
  font-size: 1.35rem; color: var(--primary);
  margin-bottom: 22px;
  transition: transform 350ms var(--ease-spring);
}
.skill-card:hover .skill-card__icon { transform: scale(1.1) rotate(-5deg); }
.skill-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 18px; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.skill-tag {
  padding: 6px 14px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 500;
  color: var(--text-soft);
  transition: all 300ms var(--ease-spring);
}
.skill-tag:hover { border-color: var(--border-hover); color: var(--text); transform: translateY(-2px); }
.skill-tag--primary {
  background: var(--primary-soft);
  border-color: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
}
.skill-tag--accent {
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.15);
  color: var(--accent);
}

.skill-bars { display: flex; flex-direction: column; gap: 16px; }
.skill-bar span {
  font-size: 0.78rem; color: var(--text-soft);
  font-weight: 500; display: block; margin-bottom: 6px;
}
.skill-bar__track {
  width: 100%; height: 7px;
  background: rgba(var(--primary-rgb), 0.06);
  border-radius: 7px; overflow: hidden;
}
.skill-bar__fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  background-size: 200% 100%;
  animation: gradient-shift 4s ease infinite;
  border-radius: 7px;
  transition: width 1.4s var(--ease-out);
  box-shadow: 0 0 10px var(--glow);
}
.skill-bar__fill.is-visible { width: var(--w); }

.soft-skills-list { display: flex; flex-direction: column; gap: 12px; }
.soft-skill {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.9rem; color: var(--text-soft);
  padding: 12px 18px;
  background: var(--glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all 350ms var(--ease-spring);
}
.soft-skill:hover {
  border-color: var(--border-hover);
  transform: translateX(8px);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.soft-skill i { color: var(--primary); width: 20px; text-align: center; }

.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.strength-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 14px; text-align: center;
  padding: 28px 16px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 400ms var(--ease-spring);
}
.strength-item:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 12px 36px var(--glow);
}
.strength-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft);
  border-radius: 50%;
  font-size: 1.3rem; color: var(--primary);
  transition: transform 350ms var(--ease-spring);
}
.strength-item:hover .strength-icon { transform: scale(1.15) rotate(-10deg); }
.strength-item span { font-size: 0.85rem; font-weight: 500; color: var(--text-soft); }

/* ─── PROJECTS ─── */
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; align-self: flex-start; margin-top: 8px; }
.filter-chip {
  padding: 8px 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.82rem; font-weight: 500;
  color: var(--text-soft);
  transition: all 300ms var(--ease-spring);
}
.filter-chip:hover { border-color: var(--border-hover); color: var(--text); transform: translateY(-2px); }
.filter-chip--active {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 18px var(--glow);
  transform: translateY(-2px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.project-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex; flex-direction: column;
  transition: all 450ms var(--ease-out);
  overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--card-shine);
  pointer-events: none; opacity: 0;
  transition: opacity 450ms;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 32px var(--glow);
}
.project-card__glow {
  position: absolute; top: -40px; right: -40px;
  width: 130px; height: 130px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.12), transparent 70%);
  filter: blur(32px); pointer-events: none;
  opacity: 0; transition: opacity 500ms;
}
.project-card:hover .project-card__glow { opacity: 1; }
.project-card--featured {
  border-color: rgba(var(--primary-rgb), 0.25);
  background: linear-gradient(135deg, var(--surface), rgba(var(--primary-rgb), 0.03));
}
.project-card__badge {
  position: absolute; top: 16px; right: 16px;
  padding: 4px 14px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 700;
  color: #fff; z-index: 1;
  box-shadow: 0 4px 12px var(--glow);
}
.project-card__top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 16px;
}
.project-card__header { display: flex; align-items: center; gap: 12px; }
.project-icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(var(--accent-rgb), 0.06));
  border-radius: var(--radius-sm);
  font-size: 1.15rem; color: var(--primary);
  transition: transform 350ms var(--ease-spring);
}
.project-card:hover .project-icon { transform: scale(1.1) rotate(-5deg); }
.project-pill {
  padding: 4px 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(var(--accent-rgb), 0.12);
  border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 600; color: var(--accent);
}
.project-card__corner-links { display: flex; gap: 6px; }
.project-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.project-card > p {
  color: var(--text-soft); font-size: 0.9rem;
  line-height: 1.65; margin-bottom: 14px; flex-grow: 1;
}
.project-features { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.project-features li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.84rem; color: var(--text-soft); line-height: 1.55;
}
.project-features li::before {
  content: '▸'; color: var(--primary);
  font-weight: 700; flex-shrink: 0; margin-top: 1px;
}
.project-card__footer { margin-top: auto; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.project-tech span {
  padding: 4px 10px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 500; color: var(--text-softer);
  transition: var(--transition);
}
.project-tech span:hover { border-color: var(--border-hover); color: var(--text-soft); }
.project-card__actions { display: flex; gap: 8px; }
.project-card.is-hidden { display: none; }

/* ─── TIMELINE ─── */
.timeline {
  position: relative; max-width: 800px;
  margin: 0 auto; padding-left: 52px;
}
.timeline__track {
  position: absolute; left: 22px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
  border-radius: 2px;
}
.timeline__item { position: relative; padding-bottom: 52px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute; left: -52px; top: 0;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: 50%;
  font-size: 0.95rem; color: var(--primary);
  box-shadow: 0 0 18px var(--glow);
  z-index: 1;
  transition: transform 350ms var(--ease-spring);
}
.timeline__item:hover .timeline__dot { transform: scale(1.15); }
.timeline__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 400ms var(--ease-out);
  position: relative;
}
.timeline__card::before {
  content: ''; position: absolute; left: 0; top: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
  border-radius: 3px 0 0 3px;
  opacity: 0; transition: opacity 400ms;
}
.timeline__card:hover::before { opacity: 1; }
.timeline__card:hover {
  border-color: var(--border-hover);
  transform: translateX(8px);
  box-shadow: var(--shadow);
}
.timeline__year {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-soft);
  border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 600;
  color: var(--primary); margin-bottom: 14px;
}
.timeline__card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.timeline__sub { font-size: 0.85rem; color: var(--accent); font-weight: 500; margin-bottom: 10px; }
.timeline__card > p:last-of-type { color: var(--text-soft); font-size: 0.9rem; line-height: 1.7; }
.timeline__tags { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.timeline__tags span {
  padding: 4px 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 500; color: var(--text-softer);
}

/* ─── BLOG ─── */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 450ms var(--ease-out);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.blog-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  background-size: 200% 100%;
  animation: gradient-shift 4s ease infinite;
  opacity: 0; transition: opacity 400ms;
}
.blog-card:hover::before { opacity: 1; }
.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow), 0 0 20px var(--glow);
}
.blog-card__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.blog-tag {
  padding: 4px 12px;
  background: var(--primary-soft);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 600; color: var(--primary);
}
.blog-tag--accent { background: var(--accent-soft); border-color: rgba(var(--accent-rgb), 0.12); color: var(--accent); }
.blog-tag--green { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.15); color: #22c55e; }
.blog-date { font-size: 0.78rem; color: var(--text-softer); display: flex; align-items: center; gap: 6px; }
.blog-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.blog-card > p { color: var(--text-soft); font-size: 0.88rem; line-height: 1.65; flex-grow: 1; margin-bottom: 18px; }
.blog-card__footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--text-softer); }
.blog-author, .blog-read { display: flex; align-items: center; gap: 6px; }

/* ─── CONTACT ─── */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-info__text { margin-bottom: 32px; }
.contact-info__text h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.contact-info__text p { color: var(--text-soft); font-size: 0.95rem; line-height: 1.75; }
.contact-links { display: flex; flex-direction: column; gap: 10px; }
.contact-link {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 350ms var(--ease-spring);
}
.contact-link:hover {
  border-color: var(--border-hover);
  transform: translateX(10px);
  box-shadow: var(--shadow-sm), 0 0 16px var(--glow);
}
.contact-link__icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(var(--accent-rgb), 0.06));
  border-radius: var(--radius-sm);
  font-size: 1.15rem; color: var(--primary);
  flex-shrink: 0;
  transition: transform 350ms var(--ease-spring);
}
.contact-link:hover .contact-link__icon { transform: scale(1.1) rotate(-5deg); }
.contact-link__body { display: flex; flex-direction: column; }
.contact-link__label { font-size: 0.72rem; color: var(--text-softer); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }
.contact-link__value { font-size: 0.9rem; font-weight: 500; color: var(--text); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-soft); margin-bottom: 8px; }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap--textarea { align-items: flex-start; }
.input-icon {
  position: absolute; left: 16px;
  color: var(--text-softer); font-size: 0.85rem;
  z-index: 1; pointer-events: none;
  transition: color 250ms;
}
.input-icon--top { top: 16px; }
.input-wrap input, .input-wrap textarea {
  width: 100%; padding: 14px 16px 14px 46px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-size: 0.9rem;
  transition: border-color 350ms, box-shadow 350ms;
  outline: none;
}
.input-wrap input::placeholder, .input-wrap textarea::placeholder { color: var(--text-softer); }
.input-wrap input:focus, .input-wrap textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft), 0 0 18px var(--glow);
}
.input-wrap input:focus ~ .input-icon,
.input-wrap textarea:focus ~ .input-icon { color: var(--primary); }
.input-wrap textarea { resize: vertical; min-height: 130px; }
.form-hint {
  text-align: center; font-size: 0.78rem;
  color: var(--text-softer); margin-top: 18px;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 44px 0;
  border-top: 1px solid var(--border);
  position: relative; z-index: 1;
  background: var(--bg-alt);
}
.site-footer__inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-logo { font-size: 1.5rem; font-weight: 800; }
.footer-logo__dot {
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--primary);
  margin-left: 2px; vertical-align: top;
}
.footer-brand p { font-size: 0.85rem; color: var(--text-softer); }
.footer-links { display: flex; gap: 12px; }
.footer-link {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 1.05rem; color: var(--text-soft);
  transition: all 350ms var(--ease-spring);
}
.footer-link:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-4px) rotate(-5deg);
  box-shadow: 0 8px 24px var(--glow);
}

/* ─── MODAL ─── */
.modal {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 350ms, visibility 350ms;
}
.modal--open { opacity: 1; visibility: visible; }
.modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
[data-theme="daylight"] .modal__backdrop { background: rgba(0,0,0,0.3); }
.modal__panel {
  position: relative;
  background: var(--surface-hover);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: 44px; max-width: 620px; width: 90%;
  max-height: 85vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.88) translateY(24px);
  transition: transform 450ms var(--ease-spring);
}
.modal--open .modal__panel { transform: scale(1) translateY(0); }
.modal__close {
  position: absolute; top: 16px; right: 16px;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-soft);
  transition: all 300ms var(--ease-spring);
}
.modal__close:hover { border-color: var(--primary); color: var(--primary); transform: rotate(90deg); }
.modal__content h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.modal__description { color: var(--text-soft); font-size: 0.92rem; line-height: 1.65; margin-bottom: 24px; }
.modal__section { margin-bottom: 22px; }
.modal__section h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 12px; color: var(--primary); }
.modal__list { display: flex; flex-direction: column; gap: 6px; }
.modal__list li { font-size: 0.88rem; color: var(--text-soft); padding-left: 18px; position: relative; }
.modal__list li::before { content: '▸'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.modal__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.modal__tags li {
  padding: 4px 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.78rem; color: var(--text-soft);
}
.modal__links { display: flex; gap: 10px; margin-top: 26px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 968px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero__content { order: 2; }
  .hero__visual { order: 1; }
  .hero__cta, .hero__stats, .hero__stack { justify-content: center; }
  .hero__subtitle { margin: 0 auto 32px; }
  .hero__badge { margin: 0 auto 24px; }

  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__links.is-open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0;
    background: var(--mobile-nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 5;
    align-items: center; justify-content: center; gap: 12px;
    animation: mobile-nav-in 350ms var(--ease-out) forwards;
  }
  @keyframes mobile-nav-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
  }
  .nav__links.is-open .nav__link { font-size: 1.6rem; padding: 14px 28px; }
  .nav__hire-btn { display: none; }

  .about-bento { grid-template-columns: 1fr; }
  .bento-card--bio, .bento-card--stats { grid-column: span 1; }
  .skills-grid { grid-template-columns: 1fr; }
  .skill-card--wide { grid-column: span 1; }
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .section__header--row { flex-direction: column; }
  .filter-chips { margin-top: 0; }
  .site-footer__inner { flex-direction: column; gap: 20px; text-align: center; }
  .footer-brand { flex-direction: column; }
  .timeline { padding-left: 44px; }
  .timeline__dot { left: -44px; width: 38px; height: 38px; font-size: 0.85rem; }
  .timeline__track { left: 19px; }
  .float-badge--top { right: 0; top: -5%; }
  .float-badge--bottom { left: 0; bottom: 5%; }
}

@media (max-width: 640px) {
  .section { padding: 80px 0; }
  .hero { padding: 100px 0 40px; }
  .hero__title { font-size: clamp(2rem, 10vw, 3.2rem); }
  .quick-stats { gap: 24px; }
  .quick-stat__num { font-size: 2.2rem; }
  .form-row { grid-template-columns: 1fr; }
  .hero-card { max-width: 280px; padding: 28px 24px; }
  .ring--1, .ring--2, .ring--3 { display: none; }
  .float-badge { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .theme-panel { right: 16px; bottom: 16px; }
  .theme-panel__toggle { width: 48px; height: 48px; }

  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
  a, button { cursor: pointer; }
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ─── SELECTION ─── */
::selection { background: var(--selection-bg); color: var(--selection-text); }

/* ─── SMOOTH THEME TRANSITION ─── */
*:not(.scroll-progress__bar):not(.cursor-dot):not(.cursor-ring) {
  transition-property: background-color, border-color, color, box-shadow, opacity, transform;
  transition-duration: 400ms;
  transition-timing-function: var(--ease-out);
}
/* Override for elements that need different transition timing */
.btn, .icon-btn, .filter-chip, .nav__link, .contact-link,
.stack-icon, .soft-skill, .theme-btn, .footer-link,
.bento-card, .skill-card, .project-card, .blog-card,
.timeline__card, .hero-card, .float-badge {
  transition-duration: 350ms;
}