/* ==========================================================================
   XANDER TREVOR TENGARI - OFFICIAL PORTFOLIO STYLESHEET
   Inspired by Reference 1 (Otokogi League) & Reference 2 (Pokemon Card 30th)
   ========================================================================== */

@import url('./tokens.css');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Teko:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

::selection {
  background-color: rgba(0, 242, 254, 0.3);
  color: #ffffff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

button {
  font-family: inherit;
  border: none;
  background: transparent;
  cursor: pointer;
  outline: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   CANVAS DYNAMIC BACKGROUND (Inspired by Ref 2 GradientGL Canvas)
   ========================================================================== */
#gradient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: var(--z-canvas);
  pointer-events: none;
  opacity: 0.65;
  transition: opacity var(--transition-slow);
}

[data-theme="light"] #gradient-canvas {
  opacity: 0.35;
}

/* Diagonal Athletic Speed Hatches (Inspired by Ref 1 Otokogi League) */
.ambient-grid {
  position: fixed;
  inset: 0;
  background-image: 
    repeating-linear-gradient(
      -45deg,
      var(--border-subtle) 0,
      var(--border-subtle) 1px,
      transparent 1px,
      transparent 32px
    ),
    repeating-linear-gradient(
      -45deg,
      rgba(0, 242, 254, 0.06) 0,
      rgba(0, 242, 254, 0.06) 2px,
      transparent 2px,
      transparent 160px
    );
  mask-image: radial-gradient(circle at 50% 35%, black 40%, rgba(0, 0, 0, 0.5) 75%, transparent 95%);
  -webkit-mask-image: radial-gradient(circle at 50% 35%, black 40%, rgba(0, 0, 0, 0.5) 75%, transparent 95%);
  pointer-events: none;
  z-index: var(--z-canvas);
  opacity: 0.65;
  transition: opacity var(--transition-slow);
}

[data-theme="light"] .ambient-grid {
  background-image: 
    repeating-linear-gradient(
      -45deg,
      rgba(0, 0, 0, 0.045) 0,
      rgba(0, 0, 0, 0.045) 1px,
      transparent 1px,
      transparent 32px
    ),
    repeating-linear-gradient(
      -45deg,
      rgba(0, 102, 204, 0.04) 0,
      rgba(0, 102, 204, 0.04) 2px,
      transparent 2px,
      transparent 160px
    );
  opacity: 0.55;
}

/* ==========================================================================
   INTRO LOADING SCREEN (Inspired by Ref 2 TopIntroLoading)
   ========================================================================== */
.intro-loader {
  position: fixed;
  inset: 0;
  background-color: var(--bg-app);
  z-index: var(--z-loader);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

.intro-loader.is-loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-emblem {
  position: relative;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.loader-orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px dashed rgba(0, 242, 254, 0.4);
  animation: spinOrbit 8s linear infinite;
}

.loader-glow-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent-cyan);
  border-right-color: var(--accent-purple);
  animation: spinRing 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.loader-monogram {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}

.loader-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.loader-progress-wrap {
  width: 220px;
  height: 4px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  margin-top: var(--space-sm);
}

.loader-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  transition: width 0.15s ease-out;
}

.loader-counter {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  letter-spacing: 1px;
}

@keyframes spinOrbit {
  100% { transform: rotate(360deg); }
}

@keyframes spinRing {
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   NAVIGATION HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-header);
  transition: background var(--transition-smooth), border-color var(--transition-smooth), transform var(--transition-fast);
}

.site-header.is-scrolled {
  background: var(--bg-glass-heavy);
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-badge {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
  transition: transform var(--transition-spring), box-shadow var(--transition-fast);
}

.logo-badge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-holo);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.site-logo:hover .logo-badge {
  transform: translateY(-2px) scale(1.04);
  box-shadow: var(--shadow-glow-cyan);
}

.site-logo:hover .logo-badge::before {
  opacity: 1;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-info {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.site-logo:hover .logo-name {
  color: var(--accent-cyan);
}

.logo-domain {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

/* Desktop Navigation (Ref 2 dual flip text) */
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  padding: var(--space-xs) var(--space-sm);
  overflow: hidden;
  display: inline-block;
  height: 28px;
}

.nav-link-inner {
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-text-front,
.nav-text-back {
  display: block;
  height: 28px;
  line-height: 28px;
  white-space: nowrap;
}

.nav-text-back {
  color: var(--accent-cyan);
}

.nav-link:hover .nav-link-inner,
.nav-link.is-active .nav-link-inner {
  transform: translateY(-28px);
}

.nav-link.is-active .nav-text-back {
  font-weight: 700;
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.6);
}

/* Header Action Group */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* CV Download Quick Button */
.btn-download-quick {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.45rem 0.9rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-download-quick .badge-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
}

.btn-download-quick:hover {
  background: var(--accent-cyan);
  color: #080c14;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
  transform: translateY(-1px);
}

.btn-download-quick:hover .badge-type {
  background: rgba(0, 0, 0, 0.2);
  color: #080c14;
}

/* Day/Night Theme Switcher (Ref 2 Style) */
.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
  transform: scale(1.05);
}

.theme-icon-sun,
.theme-icon-moon {
  position: absolute;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

[data-theme="dark"] .theme-icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

[data-theme="light"] .theme-icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

[data-theme="light"] .theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Mobile Hamburger Menu */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  position: relative;
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: absolute;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-line:nth-child(1) { transform: translateY(-5px); }
.hamburger-line:nth-child(2) { transform: translateY(5px); }

.mobile-menu-btn.is-active .hamburger-line:nth-child(1) {
  transform: rotate(45deg);
}
.mobile-menu-btn.is-active .hamburger-line:nth-child(2) {
  transform: rotate(-45deg);
}

/* Mobile Drawer (Ref 1 popup style) */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: calc(var(--z-header) - 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-2xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s;
}

.mobile-nav-drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 2.2rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.is-active {
  color: var(--accent-cyan);
  transform: scale(1.05);
}

/* ==========================================================================
   LAYOUT CONTAINERS & SHARED SECTION STYLES
   ========================================================================== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Section Header (Ref 1 Japanese Championship Style) */
.section-header-block {
  margin-bottom: var(--space-3xl);
  position: relative;
}

.section-watermark-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-accent);
}

.section-title-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
  position: relative;
}

.section-title-en {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-primary);
}

.section-title-jp {
  font-family: var(--font-jp);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 3px;
  position: relative;
}

.section-title-jp::before {
  content: '/ ';
  color: var(--accent-cyan);
}

.section-subhead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-top: var(--space-sm);
}

.section-divider-line {
  margin-top: var(--space-md);
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-purple) 35%, transparent 80%);
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   HERO SECTION (High-Impact Typography & Top Slider / Highlight Banners)
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.hero-meta-strip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(6, 214, 160, 0.12);
  border: 1px solid rgba(6, 214, 160, 0.35);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.status-pulsing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 214, 160, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(6, 214, 160, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 214, 160, 0); }
}

.hero-title-kana {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 4px;
  margin-bottom: var(--space-2xs);
}

/* Massive Typographic Name (Ref 1 & 2 inspired) */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 7.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  position: relative;
}

.hero-name-gradient {
  background: linear-gradient(135deg, #ffffff 10%, #c4d7ec 50%, #9cb8da 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

[data-theme="light"] .hero-name-gradient {
  background: linear-gradient(135deg, #0f172a 10%, #1e293b 50%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-name-accent {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 242, 254, 0.4));
}

.hero-role-title {
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.role-tag-highlight {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-bio {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero-bio strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Hero CTA Cluster */
.hero-cta-cluster {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.9rem 1.8rem;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.9rem 1.8rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-glass-hover);
  color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 242, 254, 0.15);
}

.btn-ghost-social {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-ghost-social:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.2);
}

/* Quick Stats Showcase Grid (Inspired by Ref 1 Top Match / Ranking Boxes) */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

@media (max-width: 900px) {
  .hero-stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-showcase-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-spring), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-showcase-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0.6;
}

.stat-showcase-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25), 0 0 20px rgba(0, 242, 254, 0.15);
}

.stat-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.stat-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
}

.stat-badge.gold {
  background: rgba(255, 183, 3, 0.12);
  color: var(--accent-gold);
  border-color: rgba(255, 183, 3, 0.35);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: var(--space-2xs);
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-narrative {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.about-narrative p strong {
  color: var(--text-primary);
}

.about-focus-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.focus-pill {
  padding: 6px 14px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.focus-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.about-cards-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.profile-highlight-box {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.profile-highlight-box .box-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: var(--space-md);
}

.profile-highlight-box h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.profile-highlight-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ==========================================================================
   FEATURED WORKS / PROJECTS (Interactive 3D Cards inspired by Ref 2)
   ========================================================================== */
.project-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.filter-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-card);
}

.filter-tab-btn.is-active {
  background: var(--accent-cyan);
  color: #080c14;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.4);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

/* Interactive Project Card Structure (Smooth Lift & Subtle Ambient Glow) */
.project-card-3d-wrap {
  display: flex;
  flex-direction: column;
}

.project-card {
  position: relative;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35), 0 0 24px rgba(0, 242, 254, 0.18);
}

/* Inert Glare Layer */
.project-card-glare {
  display: none;
}

/* Media / Preview Image Container */
.project-media-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-surface);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img {
  transform: scale(1.05);
}

.project-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 12, 20, 0.95) 100%);
  pointer-events: none;
}

.project-status-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.project-status-badge.live {
  background: rgba(6, 214, 160, 0.2);
  border: 1px solid rgba(6, 214, 160, 0.6);
  color: #06d6a0;
}

.project-status-badge.pm {
  background: rgba(255, 183, 3, 0.2);
  border: 1px solid rgba(255, 183, 3, 0.6);
  color: #ffb703;
}

.project-category-tag {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(8, 12, 20, 0.85);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-accent);
}

/* Card Body */
.project-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2xs);
  line-height: 1.3;
}

.project-subtitle {
  font-size: 0.9rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.project-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

/* Tech Stack Pill Cluster */
.project-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-lg);
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-pill.highlight {
  border-color: rgba(0, 242, 254, 0.4);
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
}

.project-card:hover .tech-pill {
  border-color: var(--border-card);
}

/* Card Actions */
.project-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
}

.btn-card-primary,
.btn-card-details {
  flex: 1 1 0px;
  min-width: 0;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  box-sizing: border-box;
  transition: all var(--transition-fast);
}

.btn-card-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: 1px solid transparent;
}

.btn-card-primary:hover {
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.4);
  transform: translateY(-1px);
}

.btn-card-details {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  font-weight: 600;
}

.btn-card-details:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.btn-card-primary svg,
.btn-card-details svg {
  flex-shrink: 0;
}

/* ==========================================================================
   PROJECT DEEP DIVE MODAL
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(0, 242, 254, 0.15);
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.is-active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: var(--space-xl) var(--space-xl) var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-magenta);
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.modal-feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.modal-feature-item {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.modal-feature-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.modal-feature-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   EXPERIENCE SECTION (Timeline & Cards)
   ========================================================================== */
.experience-timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.experience-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan) 0%, var(--accent-purple) 60%, transparent 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-2xl);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(-1 * var(--space-2xl) + 5px);
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-app);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  transition: transform var(--transition-spring), background var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.35);
  background: var(--accent-cyan);
}

.timeline-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-spring), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-card:hover {
  transform: translateX(6px);
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25), 0 0 20px rgba(0, 242, 254, 0.12);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.timeline-role {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-org {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-top: 2px;
}

.timeline-date-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-surface-elevated);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.timeline-date-chip.current {
  color: var(--accent-green);
  border-color: rgba(6, 214, 160, 0.35);
  background: rgba(6, 214, 160, 0.08);
}

.timeline-bullets {
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.timeline-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: 1rem;
}

/* ==========================================================================
   EDUCATION & ACHIEVEMENTS SECTION
   ========================================================================== */
.edu-achieve-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: var(--space-2xl);
}

.edu-column,
.achieve-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.subheading-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.subheading-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.subheading-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-primary);
}

/* Education Cards */
.edu-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-spring), border-color var(--transition-fast);
}

.edu-card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-primary);
}

.edu-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
}

.edu-school {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.edu-degree {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-top: 2px;
}

.edu-metric-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-sm) 0;
}

.edu-gpa-badge {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background: rgba(0, 242, 254, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.edu-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.edu-scholarship-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--bg-surface-elevated);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-subtle);
  margin-top: var(--space-xs);
}

/* Honors & Awards Cards Grid */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.award-item-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  transition: all var(--transition-fast);
}

.award-item-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.award-rank-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.award-rank-badge.gold {
  border-color: var(--accent-gold);
  background: rgba(255, 183, 3, 0.12);
}

.award-rank-badge.silver {
  border-color: #cbd5e1;
  background: rgba(203, 213, 225, 0.12);
}

.award-rank-badge.cyan {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.12);
}

.award-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.award-issuer {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.award-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  margin-top: 4px;
}

/* ==========================================================================
   SKILLS & TECH STACK SECTION
   ========================================================================== */
.skills-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.skill-cluster-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-spring), border-color var(--transition-fast);
}

.skill-cluster-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
}

.cluster-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border-subtle);
}

.cluster-icon {
  color: var(--accent-cyan);
}

.cluster-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cluster-skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.skill-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.skill-name {
  font-weight: 600;
  color: var(--text-primary);
}

.skill-level-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
}

.skill-bar-track {
  width: 100%;
  height: 6px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-bar-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   CONTACT SECTION (Redirect Cards & Direct Actions)
   ========================================================================== */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-2xl);
}

.contact-cards-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-redirect-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: all var(--transition-fast);
}

.contact-redirect-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 0 20px rgba(0, 242, 254, 0.15);
}

.contact-card-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
}

.contact-channel-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  transition: all var(--transition-fast);
}

.contact-redirect-card:hover .contact-channel-icon {
  background: var(--accent-cyan);
  color: #080c14;
}

.contact-channel-meta {
  min-width: 0;
}

.contact-channel-name {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-channel-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.btn-contact-action {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-contact-action:hover {
  background: var(--accent-cyan);
  color: #080c14;
  border-color: var(--accent-cyan);
}

.btn-copy-action {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}

.btn-copy-action:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* CV Download Callout Banner */
.cv-download-banner {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1) 0%, rgba(157, 78, 221, 0.15) 100%);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cv-banner-content h4 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cv-banner-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.cv-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(0, 242, 254, 0.15);
  border-radius: 4px;
  color: var(--accent-cyan);
  margin-top: 6px;
}

/* Quick Message Form Card */
.message-form-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.message-form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2xs);
}

.message-form-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-bio-col p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 420px;
  margin-top: var(--space-sm);
}

.footer-nav-col h5,
.footer-links-col h5 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-link-list a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-link-list a:hover {
  color: var(--accent-cyan);
}

.footer-bottom-bar {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-hosting-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cyan);
}

/* Floating Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.back-to-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--accent-cyan);
  color: #080c14;
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-3px);
}

/* Toast Notification (Copy feedback) */
.copy-toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow-cyan);
  z-index: var(--z-toast);
  pointer-events: none;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s;
}

.copy-toast.is-show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media screen and (max-width: 1080px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .about-grid,
  .edu-achieve-grid,
  .contact-layout-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .section-title-en {
    font-size: 2.8rem;
  }

  .hero-name {
    font-size: 4rem;
  }
}

@media screen and (max-width: 640px) {
  :root {
    --header-height: 68px;
  }

  .header-container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .section-title-en {
    font-size: 2.2rem;
  }

  .hero-name {
    font-size: 3rem;
  }

  .hero-role-title {
    font-size: 1.15rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta-cluster {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .cv-download-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-redirect-card {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-card-actions {
    margin-top: var(--space-xs);
    justify-content: flex-end;
  }
}