/* ==========================================================================
   Design System & Modern CSS - Fabricio Junior Portfolio
   ========================================================================== */

:root {
  /* Font Families */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Color Palette - Light Mode Default */
  --color-scheme: light;
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-elevated: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.82);

  --border-color: rgba(226, 232, 240, 0.9);
  --border-color-hover: rgba(99, 102, 241, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --accent-primary: #6366f1;       /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #0ea5e9;     /* Sky */
  --accent-tertiary: #10b981;      /* Emerald */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
  --accent-game-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --accent-subtle: rgba(99, 102, 241, 0.08);

  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.06), 0 4px 8px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 32px -8px rgba(15, 23, 42, 0.08), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 28px rgba(99, 102, 241, 0.22);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  --header-height: 76px;
  color-scheme: light;
}

/* Dark Mode Tokens */
[data-theme="dark"] {
  --color-scheme: dark;
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-elevated: #1e293b;
  --bg-card: rgba(17, 24, 39, 0.78);
  --bg-card-hover: rgba(30, 41, 59, 0.88);
  --bg-glass: rgba(11, 15, 25, 0.85);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(129, 140, 248, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-light: #64748b;

  --accent-primary: #818cf8;
  --accent-primary-hover: #a5b4fc;
  --accent-secondary: #38bdf8;
  --accent-tertiary: #34d399;
  --accent-gradient: linear-gradient(135deg, #818cf8 0%, #38bdf8 100%);
  --accent-game-gradient: linear-gradient(135deg, #fbbf24 0%, #f87171 100%);
  --accent-subtle: rgba(129, 140, 248, 0.12);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 35px rgba(129, 140, 248, 0.25);

  color-scheme: dark;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
}

/* Background Ambient Glows */
.bg-ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.glow-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  transition: opacity var(--transition-slow);
}

[data-theme="dark"] .glow-circle {
  opacity: 0.18;
}

.glow-circle-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #6366f1 0%, transparent 70%);
  top: -120px;
  right: -100px;
}

.glow-circle-2 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, #0ea5e9 0%, transparent 70%);
  top: 40%;
  left: -120px;
}

.glow-circle-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #10b981 0%, transparent 70%);
  bottom: 5%;
  right: 10%;
}

/* Typography & Global Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  background: var(--accent-subtle);
  color: var(--accent-primary);
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff !important;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary) !important;
  border-color: var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.btn-game {
  background: var(--accent-game-gradient);
  color: #ffffff !important;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.25);
}

.btn-game:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--accent-gradient);
  color: #ffffff;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: rotate(15deg);
}

.theme-icon-sun {
  display: none;
}

.theme-icon-moon {
  display: block;
}

[data-theme="dark"] .theme-icon-sun {
  display: block;
}

[data-theme="dark"] .theme-icon-moon {
  display: none;
}

/* Mobile Toggle */
.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
}

/* Mobile Navigation Drawer */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav .nav-link {
  font-size: 1.1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-color);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5rem;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.4);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(0.9); opacity: 0; }
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero-subtitle-role {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.typing-cursor {
  display: inline-block;
  color: var(--accent-primary);
  font-weight: 300;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.avatar-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 32px;
  padding: 8px;
  background: var(--accent-gradient);
  box-shadow: var(--shadow-lg);
  transform: rotate(-2deg);
  transition: transform var(--transition-normal);
}

.avatar-wrapper:hover {
  transform: rotate(0deg) scale(1.02);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
  background-color: var(--bg-secondary);
}

.floating-badge {
  position: absolute;
  padding: 0.75rem 1.15rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2;
  animation: float 4s ease-in-out infinite alternate;
}

.floating-badge-top {
  top: -15px;
  left: -25px;
}

.floating-badge-bottom {
  bottom: -20px;
  right: -20px;
  animation-delay: 2s;
}

.badge-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.badge-icon-cresol {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
}

.badge-icon-games {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

.badge-text {
  display: flex;
  flex-direction: column;
}

.badge-title {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-subtitle {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* ==========================================================================
   Quick Stats Ribbon
   ========================================================================== */
.stats-ribbon {
  padding: 2.5rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  margin-bottom: 4rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-value {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Projects & Games Showcase
   ========================================================================== */
.projects-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}

.project-card.featured {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 10px 30px -5px rgba(245, 158, 11, 0.15);
}

.project-badge-featured {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.project-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.4rem;
  box-shadow: var(--shadow-sm);
}

.icon-palavrax { background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%); color: #fff; }
.icon-palavraoculta { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); color: #fff; }
.icon-palavra500 { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: #fff; }
.icon-taerrado { background: linear-gradient(135deg, #ef4444 0%, #991b1b 100%); color: #fff; }
.icon-tacerto { background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%); color: #fff; }
.icon-fitmatch { background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%); color: #fff; }
.icon-selffit { background: linear-gradient(135deg, #06b6d4 0%, #0284c7 100%); color: #fff; }
.icon-links { background: linear-gradient(135deg, #64748b 0%, #334155 100%); color: #fff; }

.project-title {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.project-link-main {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.project-link-main:hover {
  color: var(--accent-primary-hover);
  transform: translateX(3px);
}

/* ==========================================================================
   Tech Stack & Skills
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.skill-category-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.skill-header-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  color: var(--accent-primary);
  font-size: 1.4rem;
}

.skill-category-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.skill-items-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.skill-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-subtle);
}

/* ==========================================================================
   Timeline / Career & Education
   ========================================================================== */
.timeline-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.timeline-column-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.timeline-column-title i {
  color: var(--accent-primary);
}

.timeline-track {
  position: relative;
  padding-left: 2rem;
}

.timeline-track::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

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

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 0 4px var(--bg-primary);
  transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-primary);
}

.timeline-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.timeline-content-card:hover {
  border-color: var(--border-color-hover);
  transform: translateX(4px);
}

.timeline-year-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: var(--accent-subtle);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
}

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.timeline-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   About Me Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-text-content p {
  font-size: 1.05rem;
  line-height: 1.7;
}

.about-highlights-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.about-highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.highlight-icon {
  font-size: 1.35rem;
  color: var(--accent-primary);
}

.highlight-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.about-quote-box {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem;
  font-style: italic;
  color: var(--text-secondary);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--border-color-hover);
  transform: translateX(4px);
}

.contact-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-card-title {
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-card-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.contact-form-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

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

/* ==========================================================================
   Google AdSense Container
   ========================================================================== */
.ads-wrapper {
  margin: 3.5rem auto;
  text-align: center;
  max-width: 970px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  padding: 0.75rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 3.5rem 0 2rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  margin-top: 5rem;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-nav a {
  font-size: 0.925rem;
  color: var(--text-muted);
}

.footer-nav a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-content {
    align-items: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .timeline-section-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

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

  .section {
    padding: 4rem 0;
  }

  .avatar-wrapper {
    width: 260px;
    height: 260px;
  }

  .floating-badge {
    display: none; /* Hide floating badges on small screens for clarity */
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}