/* =============================================
   PARTH AGARWAL PORTFOLIO — MAIN STYLESHEET
   Apple-Inspired Glassmorphism UI + Intro Screen
   ============================================= */

/* ---- Google Fonts & CSS Reset ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

/* =============================================
   CSS CUSTOM PROPERTIES (THEME TOKENS)
   ============================================= */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;

  /* Minimalist Black & Live Dot Matrix Theme (Default) */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.28);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.70);
  --text-muted: rgba(255, 255, 255, 0.40);
  
  --accent-1: #ffffff;      /* Pure White */
  --accent-2: #e5e5e5;      /* Silver */
  --accent-3: #d4d4d4;      /* Platinum */
  --accent-4: #a3a3a3;      /* Chrome */
  
  --gradient-hero: linear-gradient(135deg, #ffffff, #a3a3a3, #525252);
  --gradient-text: linear-gradient(135deg, #ffffff, #e5e5e5, #a3a3a3);
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.95), 0 0 1px rgba(255, 255, 255, 0.15);
  --shadow-nav: 0 2px 30px rgba(0, 0, 0, 0.95);
  --shadow-glow: 0 0 60px rgba(255, 255, 255, 0.15);
  --pill-bg: rgba(255, 255, 255, 0.08);
  --pill-border: rgba(255, 255, 255, 0.20);
  --pill-text: #ffffff;
  --orb-1: rgba(255, 255, 255, 0.04);
  --orb-2: rgba(255, 255, 255, 0.03);
  --orb-3: rgba(255, 255, 255, 0.03);
  --orb-4: rgba(255, 255, 255, 0.02);
  --nav-bg: rgba(0, 0, 0, 0.85);
  --input-bg: rgba(255, 255, 255, 0.04);
  --input-border: rgba(255, 255, 255, 0.18);
  --input-focus: rgba(255, 255, 255, 0.40);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --surface: rgba(255, 255, 255, 0.80);
  --surface-hover: rgba(255, 255, 255, 0.95);
  --border: rgba(15, 23, 42, 0.12);
  --border-strong: rgba(15, 23, 42, 0.25);
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.72);
  --text-muted: rgba(15, 23, 42, 0.45);
  --accent-1: #0f172a;
  --accent-2: #334155;
  --accent-3: #475569;
  --accent-4: #64748b;
  --gradient-hero: linear-gradient(135deg, #0f172a, #334155, #64748b);
  --gradient-text: linear-gradient(135deg, #0f172a, #334155, #64748b);
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-nav: 0 2px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 60px rgba(0, 0, 0, 0.10);
  --pill-bg: rgba(15, 23, 42, 0.08);
  --pill-border: rgba(15, 23, 42, 0.20);
  --pill-text: #0f172a;
  --orb-1: rgba(15, 23, 42, 0.04);
  --orb-2: rgba(15, 23, 42, 0.03);
  --orb-3: rgba(15, 23, 42, 0.03);
  --orb-4: rgba(15, 23, 42, 0.02);
  --nav-bg: rgba(248, 250, 252, 0.85);
  --input-bg: rgba(255, 255, 255, 0.85);
  --input-border: rgba(15, 23, 42, 0.18);
  --input-focus: rgba(15, 23, 42, 0.35);
}

/* =============================================
   BASE STYLES
   ============================================= */
body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =============================================
   APPLE UI INTRO SPLASH SCREEN
   ============================================= */
/* =============================================
   LIVE BLACK CANVAS & DOT MATRIX INTRO SPLASH
   ============================================= */
.intro-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  overflow: hidden;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
}

.intro-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-content-full {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 40px 24px;
  max-width: 840px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: introPopIn 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-title {
  font-size: clamp(3.75rem, 9.5vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 18px;
  color: #ffffff;
  position: relative;
  z-index: 4;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.95);
}

.intro-caption {
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 44px;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 4;
}

/* =============================================
   LIVE BLACK & DOT MATRIX CANVAS (MAIN PAGE)
   ============================================= */
.dot-matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  background-color: var(--bg-primary);
}

@keyframes introPopIn {
  from { opacity: 0; transform: scale(0.94) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.intro-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-4);
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
}

.intro-icon-spark {
  width: 14px; height: 14px;
  color: var(--accent-4);
  animation: spinSlow 12s linear infinite;
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.intro-title {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 12px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-caption {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 36px;
  letter-spacing: -0.01em;
}

.intro-loader-container {
  width: 220px;
  height: 4px;
  background: var(--surface-hover);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 28px;
  position: relative;
  border: 1px solid var(--border);
}

.intro-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--gradient-hero);
  border-radius: 4px;
  transition: width 0.05s linear;
  box-shadow: 0 0 12px var(--accent-1);
}

.intro-enter-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 50px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-card);
}

.intro-enter-btn:hover {
  transform: translateY(-2px) scale(1.04);
  background: var(--surface-hover);
  border-color: var(--accent-4);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

/* =============================================
   GLASS CARD BASE
   ============================================= */
.glass-card {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 32px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              background 0.3s ease,
              border-color 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

/* =============================================
   NAVBAR & THEME TOGGLE SVG
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-nav);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background-color: var(--surface);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
  letter-spacing: -0.01em;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--surface);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
  cursor: pointer;
  color: var(--text-primary);
}

.theme-toggle:hover { transform: scale(1.1); background: var(--surface-hover); }

.theme-icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .svg-sun { display: none; }
[data-theme="dark"] .svg-moon { display: block; color: #a5b4fc; }

[data-theme="light"] .svg-moon { display: none; }
[data-theme="light"] .svg-sun { display: block; color: #f59e0b; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font);
  letter-spacing: -0.01em;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  cursor: pointer;
  min-height: 48px;
}

.btn-primary {
  background: var(--gradient-hero);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.55);
}

.btn-glass {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  transform: translateY(-2px) scale(1.03);
  background: var(--surface-hover);
  border-color: var(--accent-4);
}

.btn-full { width: 100%; }

/* =============================================
   SECTION COMMON STYLES
   ============================================= */
.section {
  padding: 120px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-4);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 56px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================
   SCROLL REVEAL ANIMATION
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.10s; }
.reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal:nth-child(4) { transition-delay: 0.20s; }
.reveal:nth-child(5) { transition-delay: 0.25s; }

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content { max-width: 580px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.7);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.3); }
}

.hero-name {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-intro {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-intro strong { color: var(--text-secondary); }

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-scroll {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scroll-line {
  width: 40px; height: 1px;
  background: var(--text-muted);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { width: 40px; opacity: 0.5; }
  50% { width: 60px; opacity: 1; }
}

/* Intro Avatar Ring */
.intro-avatar-ring {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1));
  margin-bottom: 24px;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.intro-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 480px;
}

.hero-card-glow {
  position: absolute;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.30;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.25; transform: scale(1); }
  50% { opacity: 0.40; transform: scale(1.1); }
}

/* Standalone Profile Picture (No Container) */
.hero-portrait-img-standalone {
  position: relative;
  z-index: 2;
  width: auto;
  max-width: 360px;
  height: 480px;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.85));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
}

.hero-portrait-img-standalone:hover {
  transform: translateY(-8px) scale(1.03);
  filter: drop-shadow(0 28px 50px rgba(0, 0, 0, 0.95));
}

.hero-portrait-badge {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(8, 12, 20, 0.70);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .hero-portrait-badge {
  background: rgba(255, 255, 255, 0.80);
}

.floating-chip {
  position: absolute;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  box-shadow: var(--shadow-card);
  animation: chipFloat 6s ease-in-out infinite;
  display: flex;
  align-items: center;
  gap: 8px;
}

.floating-chip svg {
  color: var(--accent-4);
  flex-shrink: 0;
}

.chip-1 { top: 10%; left: -10%; animation-delay: 0s; }
.chip-2 { top: 15%; right: -5%; animation-delay: -1.5s; }
.chip-3 { bottom: 20%; left: -15%; animation-delay: -3s; }
.chip-4 { bottom: 10%; right: -8%; animation-delay: -4.5s; }

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  text-align: center;
}

.about-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent-4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.about-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.about-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* =============================================
   EDUCATION TIMELINE
   ============================================= */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-2), var(--accent-3));
  opacity: 0.4;
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 28px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gradient-hero);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.5);
  z-index: 1;
}

.timeline-card { padding: 28px; }

.edu-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.edu-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.edu-period {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  text-align: right;
}

.edu-badge {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #22c55e;
  margin-top: 4px;
  text-align: right;
}

.edu-score {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: right;
}

.edu-school {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.edu-location {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.edu-degree {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* =============================================
   EXPERIENCE
   ============================================= */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.exp-card { padding: 28px; }

.exp-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.exp-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.exp-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.exp-period {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-align: right;
}

.exp-type {
  padding: 3px 10px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--pill-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.exp-role {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.exp-org {
  font-size: 0.875rem;
  color: var(--accent-4);
  font-weight: 600;
  margin-bottom: 16px;
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.exp-bullets li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
  line-height: 1.55;
}

.exp-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-4);
  font-size: 0.7rem;
  top: 3px;
}

/* =============================================
   PROJECTS
   ============================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card { padding: 28px; }

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-svg-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  background: var(--surface);
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid var(--border);
}

.project-title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 5px 12px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--pill-text);
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, background 0.2s ease;
}

.tag:hover {
  transform: scale(1.05);
  background: rgba(99, 102, 241, 0.25);
}

/* =============================================
   SKILLS
   ============================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skills-card { padding: 28px; }

.skills-cat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent-4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.skills-cat {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--pill-text);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

.pill:hover {
  transform: translateY(-2px) scale(1.03);
  background: rgba(99, 102, 241, 0.25);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.cert-pill {
  background: rgba(234, 179, 8, 0.12);
  border-color: rgba(234, 179, 8, 0.3);
  color: #eab308;
}

[data-theme="light"] .cert-pill {
  background: rgba(161, 123, 0, 0.10);
  border-color: rgba(161, 123, 0, 0.25);
  color: #a17800;
}

.cert-pill:hover {
  background: rgba(234, 179, 8, 0.22) !important;
}

/* =============================================
   CONTACT
   ============================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 28px;
  align-items: start;
}

.contact-card { padding: 32px; }
.contact-card h3, .contact-form-wrap h3 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.contact-items { display: flex; flex-direction: column; gap: 16px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all 0.25s ease;
  text-decoration: none;
}

.contact-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent-4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.contact-item-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 7px; }

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px var(--input-focus);
  background: var(--surface-hover);
}

.form-success {
  display: none;
  text-align: center;
  padding: 12px;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 12px;
  color: #22c55e;
  font-weight: 600;
  font-size: 0.9rem;
  animation: fadeIn 0.4s ease;
}

.form-success.visible { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
  background: var(--bg-secondary);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: 8px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
}

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-style: italic;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
}

.social-link:hover {
  transform: translateY(-4px) scale(1.1);
  background: var(--surface-hover);
  border-color: var(--accent-4);
  color: var(--accent-4);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* =============================================
   RESPONSIVE — MOBILE MENU OVERLAY
   ============================================= */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 4px;
    background: var(--nav-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-nav);
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-link { padding: 12px 16px; font-size: 1rem; }
}

/* =============================================
   RESPONSIVE — BREAKPOINTS
   ============================================= */

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 100px;
    gap: 50px;
  }
  .hero-content { max-width: 100%; }
  .hero-intro { max-width: 100%; }
  .hero-cta { justify-content: center; }
  .hero-scroll { justify-content: center; }
  .hero-visual { height: 440px; }
  .hero-portrait-img-standalone { max-width: 310px; max-height: 400px; }
  .chip-1 { left: 0%; top: 5%; }
  .chip-2 { right: 0%; top: 10%; }
  .chip-3 { left: 0%; bottom: 10%; }
  .chip-4 { right: 0%; bottom: 5%; }
  .exp-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section-title { margin-bottom: 36px; }
  .about-grid { grid-template-columns: 1fr; }
  .exp-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .timeline { padding-left: 28px; }
  .timeline-dot { left: -23px; }
  .glass-card { padding: 22px; }
  .hero { padding: 96px 20px 60px; gap: 32px; }
  
  .hero-visual {
    height: auto;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: relative;
    width: 100%;
  }

  .hero-chips-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    width: 100%;
    z-index: 3;
  }

  .floating-chip {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    animation: none !important;
    font-size: 0.75rem;
    padding: 6px 14px;
    margin: 2px;
    display: inline-flex !important;
  }

  .hero-portrait-img-standalone {
    width: 100%;
    max-width: 250px;
    height: auto;
    max-height: 330px;
    object-fit: contain;
    margin: 8px auto;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-name { font-size: 2.75rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { min-height: 52px; }
  
  .hero-portrait-img-standalone {
    max-width: 210px;
    max-height: 280px;
  }

  .floating-chip {
    font-size: 0.7rem;
    padding: 5px 12px;
  }
  .nav-container { height: 60px; padding: 0 16px; }
}

@media (min-width: 1440px) {
  .container { max-width: 1320px; }
  .hero { max-width: 1320px; }
}