@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- Design System & CSS Variables --- */
:root {
  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Default Theme: Professional Slate Dark */
  --bg-primary: hsl(220, 25%, 6%);
  --bg-secondary: hsl(220, 22%, 9%);
  --bg-gradient: radial-gradient(circle at top, hsl(218, 35%, 14%) 0%, hsl(220, 25%, 6%) 72%);
  
  --surface-glass: rgba(12, 18, 28, 0.64);
  --border-glass: rgba(148, 163, 184, 0.12);
  --border-active: rgba(96, 165, 250, 0.38);
  
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(214, 20%, 76%);
  --text-muted: hsl(215, 14%, 56%);
  
  --accent-primary: hsl(210, 100%, 68%);
  --accent-primary-rgb: 96, 165, 250;
  --accent-secondary: hsl(175, 82%, 44%);
  --accent-secondary-rgb: 20, 184, 166;
  --accent-tertiary: hsl(262, 83%, 68%);
  
  --shadow-sm: 0 2px 10px -4px rgba(2, 6, 23, 0.55);
  --shadow-md: 0 18px 42px -14px rgba(2, 6, 23, 0.65);
  --shadow-glow: 0 0 28px rgba(96, 165, 250, 0.14);
  
  --scroll-track: hsl(220, 25%, 6%);
  --scroll-thumb: hsl(215, 16%, 28%);
  --scroll-thumb-hover: hsl(210, 100%, 68%);
}

/* Light Mode Overrides */
:root[data-theme="light"] {
  --bg-primary: hsl(210, 20%, 96%);
  --bg-secondary: hsl(210, 24%, 99%);
  --bg-gradient: radial-gradient(circle at top, hsl(210, 30%, 94%) 0%, hsl(210, 20%, 96%) 100%);
  
  --surface-glass: rgba(255, 255, 255, 0.74);
  --border-glass: rgba(15, 23, 42, 0.08);
  --border-active: rgba(59, 130, 246, 0.28);
  
  --text-primary: hsl(222, 47%, 12%);
  --text-secondary: hsl(222, 20%, 35%);
  --text-muted: hsl(222, 14%, 52%);
  
  --accent-primary: hsl(213, 92%, 52%);
  --accent-primary-rgb: 59, 130, 246;
  --accent-secondary: hsl(175, 84%, 35%);
  --accent-secondary-rgb: 13, 148, 136;
  
  --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 14px 34px -10px rgba(15, 23, 42, 0.14);
  --shadow-glow: 0 0 24px rgba(59, 130, 246, 0.12);
  
  --scroll-track: hsl(210, 20%, 94%);
  --scroll-thumb: hsl(215, 12%, 78%);
  --scroll-thumb-hover: hsl(213, 92%, 52%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-block-size: 100dvb;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  text-wrap: balance;
}

p, span, li, a {
  font-weight: 400;
  text-wrap: pretty;
}

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

img, video {
  max-inline-size: 100%;
  block-size: auto;
  display: block;
  object-fit: cover;
}

/* --- Dynamic Custom Scrollbars --- */
::-webkit-scrollbar {
  inline-size: 10px;
}
::-webkit-scrollbar-track {
  background: var(--scroll-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: var(--radius-pill);
  border: 2px solid var(--scroll-track);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scroll-thumb-hover);
}

/* --- Core Page Layout & Structural Elements --- */
.container {
  inline-size: 100%;
  max-inline-size: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.hero-title,
.card-headline,
.dialog-body h3 {
  letter-spacing: -0.03em;
}

/* Glassmorphism Panel base */
.glass-panel {
  background: var(--surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-smooth), 
              box-shadow var(--transition-smooth), 
              transform var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-panel:hover {
  border-color: var(--border-active);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* Magnetic Glow overlay container */
.glow-wrapper {
  position: relative;
}
.glow-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(var(--accent-primary-rgb), 0.08),
    transparent 40%
  );
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.glow-card:hover::before {
  opacity: 1;
}

/* --- Interactive Fixed Navbar --- */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  background: var(--bg-primary);
  background: color-mix(in srgb, var(--bg-primary) 82%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-block-end: 1px solid var(--border-glass);
  transition: padding var(--transition-smooth), background var(--transition-smooth);
  padding-block: var(--space-md);
}

.navbar.shrink {
  padding-block: var(--space-xs);
  background: var(--bg-primary);
  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo-link {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-primary);
}

.logo-mark {
  display: inline-flex;
  inline-size: 2.35rem;
  block-size: 2.35rem;
  flex: 0 0 auto;
  border-radius: 16px;
  box-shadow: var(--shadow-glow);
}

.logo-mark svg {
  inline-size: 100%;
  block-size: 100%;
  display: block;
}

.logo-text {
  letter-spacing: -0.03em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.menu-toggle {
  display: none;
  inline-size: 42px;
  block-size: 42px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  transition: var(--transition-fast);
}

.menu-toggle span {
  display: block;
  inline-size: 18px;
  block-size: 2px;
  border-radius: 999px;
  background: var(--text-primary);
  transition: var(--transition-fast);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  display: block;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Theme Switcher Button */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  transition: var(--transition-fast);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-primary);
}

.theme-toggle svg {
  inline-size: 18px;
  block-size: 18px;
  fill: currentColor;
}

.sun-icon { display: none; }
:root[data-theme="light"] .moon-icon { display: none; }
:root[data-theme="light"] .sun-icon { display: block; }

/* --- Hero Section --- */
.hero {
  padding-block-start: calc(var(--space-xl) * 2.5);
  padding-block-end: var(--space-xl);
  position: relative;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--accent-primary-rgb), 0.08);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.25);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-primary);
  margin-block-end: var(--space-sm);
  box-shadow: 0 0 12px rgba(var(--accent-primary-rgb), 0.05);
}

.hero-badge-dot {
  inline-size: 6px;
  block-size: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 8px var(--accent-primary); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-block-end: var(--space-sm);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-inline-size: 560px;
  margin-block-end: var(--space-lg);
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-spring);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-primary);
  color: hsl(222, 47%, 4%);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(var(--accent-primary-rgb), 0.3);
  filter: brightness(1.05);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glass);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-secondary);
  transform: translateY(-3px);
}

/* Stats panel floating in Hero */
.hero-visual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.stat-card {
  padding: var(--space-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-block-size: 140px;
}

.stat-card:nth-child(3) {
  grid-column: span 2;
  min-block-size: 100px;
  flex-direction: row;
  align-items: center;
  gap: var(--space-md);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--accent-primary);
  line-height: 1;
  margin-block-end: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Bento Grid Section --- */
.bento-section {
  padding-block: var(--space-xl);
  position: relative;
}

.section-header {
  margin-block-end: var(--space-xl);
  text-align: center;
}

.section-title {
  font-size: 2.25rem;
  margin-block-end: var(--space-xs);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Bento Grid Core */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(160px, auto);
  gap: var(--space-md);
}

/* Individual Bento Cards */
.bento-card {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Card Sizes */
.size-2x2 { grid-column: span 2; grid-row: span 2; }
.size-4x2 { grid-column: span 4; grid-row: span 2; }
.size-3x2 { grid-column: span 3; grid-row: span 2; }
.size-2x3 { grid-column: span 2; grid-row: span 3; }
.size-6x2 { grid-column: span 6; grid-row: span 2; }
.size-6x3 { grid-column: span 6; grid-row: span 3; }

.card-title-group {
  margin-block-end: var(--space-md);
}

.card-icon {
  inline-size: 40px;
  block-size: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  display: grid;
  place-items: center;
  color: var(--accent-primary);
  margin-block-end: var(--space-sm);
  transition: var(--transition-fast);
}

.bento-card:hover .card-icon {
  background: rgba(var(--accent-primary-rgb), 0.08);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: scale(1.08);
}

.card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  margin-block-end: 4px;
}

.card-headline {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.25;
}

/* Card 1: About Me (Profile Details) */
.about-card-body {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-grow: 1;
}

.profile-img-container {
  inline-size: 100px;
  block-size: 100px;
  border-radius: 50%;
  border: 2px solid var(--border-glass);
  overflow: hidden;
  flex-shrink: 0;
  transition: var(--transition-spring);
  box-shadow: var(--shadow-sm);
}

.bento-card:hover .profile-img-container {
  transform: scale(1.05) rotate(3deg);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.about-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.about-interests {
  margin-block-start: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  border-block-start: 1px dashed var(--border-glass);
  padding-block-start: var(--space-xs);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Card 2: Cloud/AWS Architecture */
.cloud-visual {
  flex-grow: 1;
  display: grid;
  place-items: center;
  padding-block: var(--space-sm);
}

.cloud-svg {
  max-inline-size: 100%;
  block-size: 120px;
}

.cloud-pulse {
  animation: svg-pulse 3s ease-in-out infinite;
}

.cloud-data-flow {
  stroke-dasharray: 8;
  animation: data-dash 20s linear infinite;
}

@keyframes svg-pulse {
  0%, 100% { filter: drop-shadow(0 0 2px rgba(var(--accent-primary-rgb), 0.1)); }
  50% { filter: drop-shadow(0 0 12px rgba(var(--accent-primary-rgb), 0.4)); }
}

@keyframes data-dash {
  to { stroke-dashoffset: -1000; }
}

.cloud-specs {
  display: flex;
  justify-content: space-around;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-block-start: 1px solid var(--border-glass);
  padding-block-start: var(--space-xs);
}

/* Card 3: Skills Tech stack */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-start: var(--space-xs);
}

.skill-tag {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.skill-tag:hover {
  background: rgba(var(--accent-primary-rgb), 0.05);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.skill-level-dot {
  inline-size: 6px;
  block-size: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
}

/* Card 4: Academic Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-block-start: var(--space-sm);
  position: relative;
  padding-inline-start: var(--space-md);
}

.timeline::before {
  content: '';
  position: absolute;
  inset-block: 0;
  inset-inline-start: 5px;
  inline-size: 2px;
  background: linear-gradient(to bottom, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  opacity: 0.25;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  inset-inline-start: -22px;
  inset-block-start: 6px;
  inline-size: 12px;
  block-size: 12px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent-primary);
  transition: var(--transition-fast);
  z-index: 2;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.2);
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-secondary);
}

.timeline-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-block: 2px;
}

.timeline-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Card 5: Portfolio Grid */
.portfolio-intro {
  margin-block-start: var(--space-xs);
  max-inline-size: 60ch;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.portfolio-slider {
  margin-block-start: var(--space-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  flex-grow: 1;
}

.portfolio-theme-grid {
  grid-auto-rows: 1fr;
}

.portfolio-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(var(--accent-primary-rgb), 0.08);
  position: relative;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  background:
    radial-gradient(circle at top left, rgba(var(--accent-primary-rgb), 0.18), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.25)),
    #060816;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.portfolio-item img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
  opacity: 0.62;
  mix-blend-mode: screen;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(3, 5, 10, 0.98) 0%, rgba(3, 5, 10, 0.72) 46%, rgba(3, 5, 10, 0.24) 100%),
    radial-gradient(circle at top right, rgba(var(--accent-secondary-rgb), 0.16), transparent 35%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-sm);
  gap: 6px;
  transition: var(--transition-smooth);
  opacity: 1;
}

.portfolio-item:hover img {
  transform: scale(1.07);
  opacity: 0.75;
}

.portfolio-item:hover .portfolio-overlay {
  background:
    linear-gradient(to top, rgba(3, 5, 10, 0.99) 0%, rgba(3, 5, 10, 0.64) 46%, rgba(3, 5, 10, 0.12) 100%),
    radial-gradient(circle at top right, rgba(var(--accent-secondary-rgb), 0.24), transparent 35%);
}

.port-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.7);
}

.port-cat {
  font-size: 0.68rem;
  color: #f8fbff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.75);
}

.port-desc {
  font-size: 0.78rem;
  color: rgba(248, 251, 255, 0.86);
  line-height: 1.45;
  max-inline-size: 32ch;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}

.port-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-block-start: 2px;
}

.port-chip {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #f8fbff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.65);
}

/* Card 6: Contact & Connect */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

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

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.meta-icon {
  inline-size: 36px;
  block-size: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  display: grid;
  place-items: center;
  color: var(--accent-primary);
}

.meta-text-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.meta-text-value {
  font-size: 0.95rem;
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: var(--space-xs);
  margin-block-start: var(--space-sm);
}

.social-icon {
  inline-size: 40px;
  block-size: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  display: grid;
  place-items: center;
  transition: var(--transition-spring);
}

.social-icon:hover {
  border-color: var(--accent-primary);
  background: rgba(var(--accent-primary-rgb), 0.08);
  color: var(--accent-primary);
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-glow);
}

.social-icon svg {
  inline-size: 18px;
  block-size: 18px;
  fill: currentColor;
}

/* Glassmorphic Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group {
  position: relative;
}

.form-input {
  inline-size: 100%;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 12px rgba(var(--accent-primary-rgb), 0.1);
}

textarea.form-input {
  resize: vertical;
  min-block-size: 90px;
}

.form-submit {
  align-self: flex-start;
  padding: 10px 24px;
  font-size: 0.9rem;
}

.form-hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.form-status {
  margin: 0;
  min-block-size: 1.25rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.form-status.is-success {
  color: var(--accent-primary);
}

.form-status.is-error {
  color: #ff8a8a;
}

/* Card 7: Map card */
.map-card-wrapper {
  position: relative;
  inline-size: 100%;
  block-size: 100%;
  min-block-size: 260px;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.map-card-wrapper iframe {
  inline-size: 100%;
  block-size: 100%;
  border: 0;
  filter: grayscale(0.85) invert(0.9) contrast(1.2); /* Stylized dark map styling */
  transition: var(--transition-smooth);
}

:root[data-theme="light"] .map-card-wrapper iframe {
  filter: grayscale(0.3) contrast(1.1);
}

.map-card-wrapper:hover iframe {
  filter: none;
}

/* --- Portfolio Detail Dialog Overlay --- */
.detail-dialog {
  margin: auto;
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
  max-inline-size: 600px;
  inline-size: calc(100% - 32px);
  color: var(--text-primary);
  overflow: hidden;
}

.detail-dialog::backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
}

.dialog-header {
  position: relative;
  aspect-ratio: 16/9;
  background: #000;
}

.dialog-header img {
  inline-size: 100%;
  block-size: 100%;
}

.dialog-close {
  position: absolute;
  inset-block-start: 12px;
  inset-inline-end: 12px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  inline-size: 32px;
  block-size: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.dialog-close:hover {
  background: rgba(var(--accent-primary-rgb), 0.8);
  border-color: transparent;
  transform: rotate(90deg);
}

.dialog-body {
  padding: var(--space-lg);
}

.dialog-body h3 {
  font-size: 1.6rem;
  margin-block-end: var(--space-xs);
}

.dialog-cat {
  font-size: 0.8rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-block-end: var(--space-md);
}

.dialog-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-block-end: var(--space-md);
}

/* --- Footer --- */
footer {
  padding-block: var(--space-lg);
  border-block-start: 1px solid var(--border-glass);
  background: rgba(0, 0, 0, 0.15);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Performance-Optimized CSS Scroll-Driven Animations --- */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes reveal-up {
      from {
        opacity: 0;
        transform: translateY(40px) scale(0.96);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }
    
    .bento-card {
      animation: reveal-up auto linear both;
      animation-timeline: view();
      animation-range: entry 5% cover 30%;
    }
    
    .timeline-item {
      animation: reveal-up auto linear both;
      animation-timeline: view();
      animation-range: entry 10% cover 25%;
    }
    
    .map-card-wrapper {
      animation: reveal-up auto linear both;
      animation-timeline: view();
      animation-range: entry 5% cover 25%;
    }
  }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .size-6x2, .size-6x3 { grid-column: span 4; }
  .size-4x2 { grid-column: span 4; }
  .size-3x2 { grid-column: span 2; }
  .hero-layout {
    gap: var(--space-md);
  }
}

@media (max-width: 900px) {
  .nav-container {
    position: relative;
  }

  .logo-link {
    min-width: 0;
  }

  .theme-toggle {
    order: 2;
    flex: 0 0 auto;
    margin-inline-start: auto;
  }

  .menu-toggle {
    display: inline-flex;
    order: 3;
    flex: 0 0 auto;
    margin-inline-start: 0;
  }

  .nav-menu {
    display: none;
    position: absolute;
    inset-inline: 1rem;
    inset-block-start: calc(100% + 0.75rem);
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 0.75rem;
    border-radius: 18px;
    background: var(--bg-secondary);
    background: color-mix(in srgb, var(--bg-primary) 94%, transparent);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-md);
    z-index: 110;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu .nav-link {
    width: 100%;
    text-align: left;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    font-size: 1rem;
    color: var(--text-primary);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 2.25rem;
  }
  
  .container {
    padding-inline: 1rem;
  }

  .navbar {
    padding-block: 0.8rem;
  }

  .logo-link {
    font-size: 1.1rem;
    flex: 1 1 auto;
  }

  .logo-mark {
    inline-size: 2rem;
    block-size: 2rem;
  }

  .nav-container {
    gap: 0.75rem;
    position: relative;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .hero-visual {
    grid-row: 1;
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .hero {
    padding-block-start: calc(var(--space-xl) * 1.8);
  }

  .hero-content {
    text-align: left;
  }

  .hero-desc {
    max-inline-size: none;
    font-size: 1rem;
  }
  
  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: var(--space-sm);
  }
  
  .size-2x2, .size-4x2, .size-3x2, .size-2x3, .size-6x2, .size-6x3 {
    grid-column: span 1;
    grid-row: auto;
  }

  .glass-panel {
    border-radius: 14px;
  }

  .bento-card {
    padding: 1.1rem;
  }

  .stat-card {
    min-block-size: 96px;
    text-align: left;
    align-items: flex-start;
  }

  .stat-card:nth-child(3) {
    grid-column: auto;
    min-block-size: 96px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.72rem;
  }
  
  .about-card-body {
    flex-direction: column;
    text-align: center;
  }

  .about-desc {
    text-align: left;
  }

  .profile-img-container {
    inline-size: 84px;
    block-size: 84px;
  }

  .cloud-visual {
    padding-block: 0.4rem;
    overflow-x: auto;
  }

  .cloud-svg {
    block-size: auto;
    min-inline-size: 360px;
    inline-size: 100%;
  }

  .cloud-specs {
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
    text-align: left;
  }

  .skills-container {
    gap: 6px;
  }

  .skill-tag {
    font-size: 0.8rem;
    padding: 5px 10px;
  }
  
  .portfolio-slider {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .portfolio-item {
    aspect-ratio: 16 / 11;
  }

  .portfolio-slider {
    gap: 0.85rem;
  }

  .contact-info {
    gap: 0.9rem;
  }

  .meta-text-value,
  .timeline-title,
  .about-desc {
    font-size: 0.92rem;
  }

  .card-title-group,
  .portfolio-intro,
  .contact-info,
  .contact-form {
    text-align: left;
  }

  .cloud-visual {
    justify-items: start;
  }

  .profile-img-container {
    inline-size: 76px;
    block-size: 76px;
  }

  .nav-container {
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: 0.85rem;
  }

  .hero {
    padding-block-start: calc(var(--space-xl) * 1.4);
    padding-block-end: 2rem;
  }

  .hero-title {
    font-size: 2.35rem;
    line-height: 1.08;
  }

  .hero-desc {
    font-size: 0.94rem;
    text-align: left;
  }

  .hero-actions {
    align-items: stretch;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
  .size-2x2, .size-4x2, .size-3x2, .size-2x3, .size-6x2, .size-6x3 {
    grid-column: span 1;
  }

  .portfolio-slider {
    grid-template-columns: 1fr;
  }

  .portfolio-item {
    aspect-ratio: 4 / 3;
  }

  .portfolio-overlay {
    padding: 0.85rem;
  }

  .port-title {
    font-size: 1rem;
  }

  .port-desc {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .portfolio-intro {
    font-size: 0.9rem;
  }

  .card-headline {
    font-size: 1.2rem;
  }

  .contact-form {
    gap: 10px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .contact-meta-item {
    align-items: flex-start;
  }

  .meta-icon {
    inline-size: 32px;
    block-size: 32px;
  }

  .meta-text-title {
    font-size: 0.68rem;
  }

  .meta-text-value {
    line-height: 1.4;
  }

  .dialog-body {
    padding: 1.1rem;
  }

  .nav-menu {
    inset-inline: 0.85rem;
  }

  .menu-toggle {
    inline-size: 40px;
    block-size: 40px;
  }

  .hero-badge,
  .hero-actions,
  .portfolio-intro {
    text-align: left;
  }

  .cloud-svg {
    min-inline-size: 280px;
  }
}