/* ==========================================================================
   Dharuniga K. S. - Professional Portfolio Stylesheet
   Modern, Clean, Recruiter-Ready & High-Performance Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens (Dark & Light Themes)
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0a0f1d;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-input: #111827;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(99, 102, 241, 0.25);
  --border-highlight: rgba(99, 102, 241, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-highlight: #e0e7ff;

  /* Brand Accents & Gradients */
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --secondary-gradient: linear-gradient(135deg, #3b82f6 0%, #2dd4bf 100%);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #a855f7;

  /* Shadows & Glassmorphism */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);
  --backdrop-blur: blur(14px);

  /* Typography Scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Layout & Spacing */
  --container-width: 1200px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-input: #f8fafc;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-accent: rgba(79, 70, 229, 0.2);
  --border-highlight: rgba(79, 70, 229, 0.35);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-highlight: #1e1b4b;

  --primary-500: #4f46e5;
  --primary-600: #4338ca;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
  --secondary-gradient: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 35px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Ambient Background Blobs */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.35;
  transition: opacity 0.5s ease;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1 0%, rgba(99, 102, 241, 0) 70%);
  top: -100px;
  left: 20%;
}

.glow-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #06b6d4 0%, rgba(6, 182, 212, 0) 70%);
  bottom: 10%;
  right: 5%;
}

[data-theme="light"] .ambient-glow {
  opacity: 0.18;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

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

button, input, textarea {
  font-family: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-accent);
}

/* Text Gradients & Highlights */
.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.highlight-text {
  color: var(--primary-500);
  font-weight: 600;
}

/* Section Common Styles */
.section {
  padding-block: 90px;
  position: relative;
}

.section-alt {
  background-color: var(--bg-secondary);
  border-block: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-500);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 16px;
}

.section-line {
  width: 60px;
  height: 4px;
  background: var(--primary-gradient);
  margin: 0 auto;
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   3. Buttons & Component Utilities
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

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

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

.btn-outline:hover {
  background-color: rgba(99, 102, 241, 0.1);
  border-color: var(--primary-500);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-accent);
  color: var(--primary-500);
}

.btn-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-500);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  transition: all var(--transition-fast);
}

.btn-text:hover {
  background: rgba(99, 102, 241, 0.2);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   4. Site Header & Sticky Navbar
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="light"] .site-header {
  background: rgba(248, 250, 252, 0.88);
}

.nav-container {
  max-width: var(--container-width);
  height: 100%;
  margin-inline: auto;
  padding-inline: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.brand-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--primary-gradient);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.brand-name {
  font-family: var(--font-heading);
  color: var(--text-primary);
}

.brand-dot {
  color: var(--accent-cyan);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-block: 6px;
  transition: color var(--transition-fast);
}

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

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

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

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Theme Switcher */
.theme-btn .moon-icon {
  display: none;
}

.theme-btn .sun-icon {
  display: block;
}

[data-theme="light"] .theme-btn .moon-icon {
  display: block;
}

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

.theme-btn svg {
  width: 20px;
  height: 20px;
}

/* Hamburger for Mobile */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  z-index: 1001;
}

.hamburger-btn .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-btn.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-block: 80px 70px;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

/* Availability Badge */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
  margin-bottom: 20px;
}

.status-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.5;
}

.hero-description {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

/* Quick Meta Pills */
.hero-quick-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.quick-pill:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.quick-pill.copy-btn {
  cursor: pointer;
}

.quick-pill .copy-hint {
  font-size: 0.72rem;
  padding: 2px 6px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-500);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Profile Card Showcase */
.hero-visual {
  display: flex;
  justify-content: center;
}

.profile-card {
  width: 100%;
  max-width: 400px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.profile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
}

.profile-avatar-wrapper {
  position: relative;
  width: 110px;
  height: 110px;
  margin: 0 auto 20px;
}

.profile-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 3px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 2;
}

.avatar-letters {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.avatar-ring {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #6366f1, #06b6d4, #10b981, #6366f1);
  opacity: 0.5;
  animation: rotateRing 10s linear infinite;
  z-index: 1;
}

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

.profile-name {
  font-size: 1.45rem;
  margin-bottom: 4px;
}

.profile-role {
  font-size: 0.92rem;
  color: var(--primary-500);
  font-weight: 600;
  margin-bottom: 12px;
}

.college-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.mini-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.mini-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.dot.java { background-color: #f97316; }
.dot.sql { background-color: #06b6d4; }
.dot.html { background-color: #3b82f6; }
.dot.iot { background-color: #10b981; }

.profile-stats {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

/* --------------------------------------------------------------------------
   6. About Me & Strengths Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.about-card.main-about {
  padding: 36px;
}

.card-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.card-heading svg {
  color: var(--primary-500);
}

.about-text {
  font-size: 1.02rem;
  margin-bottom: 18px;
  line-height: 1.7;
}

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

.languages-box {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lang-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.lang-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.lang-pill {
  font-size: 0.88rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.sub-heading {
  font-size: 1.25rem;
  margin-bottom: 20px;
}

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

.strength-card {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.strength-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.strength-icon.blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.strength-icon.green { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.strength-icon.purple { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.strength-icon.amber { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }

.strength-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.strength-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   7. Technical Skills Section
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-category-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cat-icon.java-icon { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.cat-icon.web-icon { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.cat-icon.sql-icon { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }
.cat-icon.tools-icon { background: rgba(168, 85, 247, 0.15); color: #a855f7; }

.category-title {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.category-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.skill-items-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.skill-pill-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.skill-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-level-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--primary-500);
}

.skill-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
}

.skill-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.tools-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tool-tag:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.tool-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-purple);
}

/* --------------------------------------------------------------------------
   8. Featured Projects Section
   -------------------------------------------------------------------------- */
.projects-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.project-featured-card {
  position: relative;
  padding: 40px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.featured-badge {
  position: absolute;
  top: 18px;
  right: 24px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--primary-500);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-main-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.project-category {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.project-title {
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  margin-bottom: 16px;
}

.project-summary {
  font-size: 1.02rem;
  margin-bottom: 22px;
  line-height: 1.65;
}

.project-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
}

.highlight-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.highlight-point svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 3px;
}

.highlight-point strong {
  color: var(--text-primary);
}

.tech-stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tech-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-highlight);
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Mockup Window UI */
.mockup-window {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.mockup-header {
  background: var(--bg-tertiary);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.window-dot.red { background-color: #ef4444; }
.window-dot.yellow { background-color: #f59e0b; }
.window-dot.green { background-color: #10b981; }

.window-title {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-left: 8px;
}

.mockup-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bins-status-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 14px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bin-card.warning-state {
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.05);
}

.bin-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bin-name {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
}

.bin-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.bin-badge.safe {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.bin-badge.warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.bin-badge.danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.bin-gauge {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.gauge-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.gauge-fill.safe { background-color: var(--accent-emerald); }
.gauge-fill.warning { background-color: var(--accent-amber); }
.gauge-fill.danger { background-color: #ef4444; }

.bin-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.bin-bottom strong {
  color: var(--text-primary);
}

.sim-control-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.sim-status-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Secondary Projects */
.secondary-projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.project-mini-card {
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.folder-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mini-project-title {
  font-size: 1.22rem;
}

.mini-project-desc {
  font-size: 0.92rem;
  line-height: 1.6;
}

.mini-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
}

.mini-tech-stack span {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   9. Education & Milestones Section
   -------------------------------------------------------------------------- */
.timeline-container {
  max-width: 860px;
  margin: 0 auto 60px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.marker-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-gradient);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
  flex-shrink: 0;
}

.marker-line {
  width: 2px;
  height: 100%;
  background: var(--border-subtle);
  margin-top: 8px;
}

.timeline-content {
  padding: 30px;
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.timeline-badge.current {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-500);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.timeline-location {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.timeline-title {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.timeline-institution {
  font-size: 1rem;
  color: var(--primary-500);
  font-weight: 600;
  margin-bottom: 14px;
}

.timeline-desc {
  font-size: 0.95rem;
  margin-bottom: 18px;
  line-height: 1.6;
}

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

.timeline-tags span {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* Achievements Block */
.achievements-block {
  max-width: 960px;
  margin-inline: auto;
  padding-top: 40px;
}

.sub-heading-center {
  text-align: center;
  font-size: 1.55rem;
  margin-bottom: 8px;
}

.sub-desc-center {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.achievements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.achievement-card {
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.achieve-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.achieve-icon.gold { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.achieve-icon.cyan { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }

.achieve-body h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.achieve-body p {
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 12px;
}

.achieve-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-500);
  background: rgba(99, 102, 241, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   10. Recruiter & Contact Hub
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.contact-card,
.form-card {
  padding: 36px;
}

.contact-card-title,
.form-card-title {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.contact-card-text {
  font-size: 0.98rem;
  margin-bottom: 28px;
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon.email-bg { background: rgba(99, 102, 241, 0.15); color: #6366f1; }
.contact-icon.phone-bg { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.contact-icon.location-bg { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }

.contact-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  overflow: hidden;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-value:hover {
  color: var(--primary-500);
}

.copy-icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.copy-icon-btn:hover {
  color: var(--primary-500);
  border-color: var(--primary-500);
  background: var(--bg-primary);
}

.timezone-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary-500);
}

.contact-resume-box {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.06);
  border: 1px dashed var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.resume-box-title {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

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

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.form-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
}

.required {
  color: #ef4444;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-error {
  display: none;
  font-size: 0.78rem;
  color: #ef4444;
  font-weight: 500;
}

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

/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: 48px 36px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-center {
  text-align: center;
}

.copyright-text {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.built-with {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.back-to-top:hover {
  color: var(--primary-500);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   12. Modals (Project Deep-Dive & Printable Resume)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.modal-card {
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header-sticky {
  position: sticky;
  top: -32px;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  z-index: 10;
  margin-top: -32px;
  padding-top: 32px;
}

.modal-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-500);
  margin-bottom: 4px;
}

.modal-title {
  font-size: 1.45rem;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  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);
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.modal-section h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.modal-section p {
  font-size: 0.94rem;
  line-height: 1.6;
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.step-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-body strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.step-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.modal-bullet-list {
  list-style: disc;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-bullet-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

/* Resume Document Styling */
.resume-modal-card {
  max-width: 780px;
}

.resume-document {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 36px 40px;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.resume-doc-header {
  text-align: center;
}

.resume-doc-name {
  font-size: 1.8rem;
  margin-bottom: 6px;
}

.resume-doc-contact {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.resume-divider {
  border: none;
  height: 1px;
  background: var(--border-subtle);
  margin-block: 4px;
}

.resume-doc-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.resume-sec-title {
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-500);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4px;
}

.resume-sec-text {
  font-size: 0.92rem;
  line-height: 1.6;
}

.resume-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.95rem;
}

.resume-entry-date,
.resume-entry-tag {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.resume-entry-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.resume-entry-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.resume-skill-list,
.resume-bullet-list {
  list-style: disc;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.resume-skill-list strong {
  color: var(--text-primary);
}

.resume-strengths-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   13. Floating Toast Notification
   -------------------------------------------------------------------------- */
.toast-notification {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 12px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-accent);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
}

.toast-message {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   14. Print Media Queries (Optimized Physical & PDF Resume Output)
   -------------------------------------------------------------------------- */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt;
  }

  .site-header,
  .hero-section,
  .section,
  .site-footer,
  .ambient-glow,
  .toast-notification,
  .modal-backdrop:not(#resumeModal),
  .modal-header,
  .modal-footer {
    display: none !important;
  }

  #resumeModal {
    position: static !important;
    background: transparent !important;
    backdrop-filter: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    padding: 0 !important;
    display: block !important;
  }

  .resume-modal-card {
    max-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    background: transparent !important;
  }

  .resume-document {
    background: #ffffff !important;
    color: #000000 !important;
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
  }

  .resume-sec-title {
    color: #111827 !important;
    border-bottom: 1px solid #d1d5db !important;
  }

  p, span, li, h1, h2, h3, h4 {
    color: #111827 !important;
  }
}

/* --------------------------------------------------------------------------
   15. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-description {
    margin-inline: auto;
  }

  .hero-actions,
  .hero-quick-meta {
    justify-content: center;
  }

  .about-grid,
  .project-main-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .hamburger-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    align-items: flex-start;
    border-top: 1px solid var(--border-subtle);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    font-size: 1.15rem;
    padding-block: 8px;
  }

  .skills-grid,
  .secondary-projects-grid,
  .strengths-grid,
  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .section {
    padding-block: 60px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .modal-card {
    padding: 20px 16px;
  }

  .resume-document {
    padding: 20px 16px;
  }
}