/**
 * ============================================================================
 * CORE BASE & UTILITY STYLES - STYLE.CSS
 * Project: Malik Tayyab Jamil - Portfolio Architecture (Phase 1)
 * Target Environment: AWS S3 Static Website Hosting
 * Features: CSS Reset, Layout System, Typography Baseline, UI Components
 * ============================================================================
 */

/* ==========================================================================
 * 1. CSS MODERN RESET & BOX-SIZING
 * ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: var(--line-height-normal);
  color-scheme: light dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

section[id] {
  scroll-margin-top: calc(72px + var(--space-6));
}

/* Focused Accessibility Ring */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Reduced Motion Compliance */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
 * 2. TYPOGRAPHY SYSTEM & BASE ELEMENTS
 * ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  max-width: 70ch; /* Optimal line length for legibility */
}

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

a:hover {
  color: var(--color-accent-hover);
}

code, kbd, pre, samp {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}

img, svg, picture, video {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style-position: inside;
}

/* ==========================================================================
 * 3. LAYOUT CONTAINERS & GRID SYSTEM
 * ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ==========================================================================
 * 4. REUSABLE UI COMPONENTS & BUTTONS
 * ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-none);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 200ms ease, background-color 200ms ease, border-color 200ms ease, color 200ms ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #0F172A;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-text-secondary);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent-light);
  box-shadow: var(--shadow-sm);
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  white-space: nowrap;
}

.badge-gold {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.badge-aws {
  background-color: rgba(255, 153, 0, 0.15);
  color: var(--color-aws-orange);
  border: 1px solid rgba(255, 153, 0, 0.3);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Cards & Surfaces (Phase 7 Interaction Polish) */
.card, .project-card, .cert-card, .education-card, .skill-card, .timeline-content-card, .contact-form-card, .contact-info-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), border-color 300ms ease, box-shadow 300ms ease;
}

.card:hover, .project-card:hover, .cert-card:hover, .education-card:hover, .skill-card:hover, .timeline-content-card:hover, .contact-form-card:hover, .contact-info-panel:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
 * 5. PHASE 1 ARCHITECTURE & BLUEPRINT CANVAS STYLES
 * ========================================================================== */
.blueprint-header {
  padding: var(--space-12) 0 var(--space-8);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.blueprint-header h1 span {
  color: var(--color-accent);
}

.blueprint-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.meta-pill {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

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

/* Swatch Card */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.swatch-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.swatch-preview {
  height: 90px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.swatch-details {
  padding: var(--space-3);
}

.swatch-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.swatch-code {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.wcag-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.2);
  color: #fff;
  margin-left: auto;
}

/* Portrait Plan Spec Frame */
.portrait-spec-box {
  background: var(--color-surface);
  border: 2px dashed var(--color-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.portrait-spec-box::before {
  content: "ASSET SPECIFICATION & CROPPING STRATEGY";
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-accent);
  letter-spacing: 1px;
}

/* Spec Checklist Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
}

.spec-table th, .spec-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.spec-table th {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

.spec-table td code {
  color: var(--color-accent);
}

/* ==========================================================================
 * 6. SKIP LINK ACCESSIBILITY COMPONENT
 * ========================================================================== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: #0F172A;
  padding: 0.75rem 1.25rem;
  font-weight: var(--font-weight-bold);
  z-index: var(--z-loader);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid #0F172A;
}

/* ==========================================================================
 * 7. STICKY HEADER & NAVIGATION BAR
 * ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: var(--z-navbar);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

[data-theme="dark"] .site-header {
  background: rgba(2, 6, 23, 0.88);
  border-bottom-color: var(--color-border);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.9;
}

.brand-logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.5px;
}

/* Desktop Navigation Links */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
}

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

.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background-color: var(--color-accent);
  border-radius: var(--radius-pill);
}

/* Header Action Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}

/* Mobile Navigation Hamburger Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  border-color: var(--color-accent);
}

.hamburger-line {
  width: 18px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hamburger-line + .hamburger-line {
  margin-top: 4px;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-6);
  z-index: var(--z-dropdown);
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.mobile-nav-drawer.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
  color: var(--color-accent);
}

/* ==========================================================================
 * 8. HERO SECTION COMPONENTS
 * ========================================================================== */
.hero-section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: var(--space-12);
}

.hero-badge-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.hero-heading {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: var(--letter-spacing-tight);
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  font-family: var(--font-heading);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  max-width: 62ch;
}

/* CTA Buttons Group */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

/* Social Icon Buttons */
.social-icon-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1), background-color 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease;
  text-decoration: none;
}

.icon-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-surface-hover);
  transform: translateY(-3px) rotate(4deg);
  box-shadow: var(--shadow-sm);
}

.icon-btn:active {
  transform: translateY(0) scale(0.96) rotate(0deg);
}

.icon-btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-color: var(--color-accent);
}

/* Statistics Grid */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
}

/* Hero Portrait Frame */
.hero-portrait-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.portrait-frame {
  position: relative;
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.portrait-frame:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.hero-portrait-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  display: block;
}

.portrait-badge-overlay {
  position: absolute;
  bottom: -12px;
  right: -8px;
  z-index: 2;
  background: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}

[data-theme="dark"] .portrait-badge-overlay {
  background: var(--color-surface);
}

/* ==========================================================================
 * 9. ABOUT SECTION COMPONENTS & SPLIT LAYOUT
 * ========================================================================== */
.about-section {
  margin-bottom: var(--space-16);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-intro-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.about-intro-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.about-intro-text {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin: 0;
}

/* Personal Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  transition: all var(--transition-normal);
}

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

.info-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  flex-shrink: 0;
}

.info-card-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-card-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-top: 2px;
}

/* About Side Portrait Card */
.about-portrait-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.about-portrait-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.about-portrait-frame {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto var(--space-4) auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--color-accent-gold-soft);
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}

.about-portrait-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.about-portrait-caption {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.about-portrait-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* Quick Facts Grid */
.quick-facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.fact-card {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.fact-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.fact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-secondary) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.fact-card:hover::before {
  opacity: 1;
}

.fact-icon-wrapper {
  font-size: 32px;
  margin-bottom: var(--space-2);
  display: inline-block;
}

.fact-number-display {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent);
  font-family: var(--font-mono);
  line-height: 1.1;
  margin-bottom: var(--space-1);
}

.fact-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.fact-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

/* ==========================================================================
 * 10. SKILLS SECTION COMPONENTS
 * ========================================================================== */
.skills-section {
  margin-bottom: var(--space-16);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.skill-category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.skill-category-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.skill-category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  font-size: 22px;
  flex-shrink: 0;
}

.skill-category-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.skill-category-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-5);
}

/* Tech Badges Container */
.tech-badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  cursor: default;
  white-space: nowrap;
}

.tech-badge:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
 * 11. FEATURED PROJECTS COMPONENTS & GRID
 * ========================================================================== */
.projects-section {
  margin-bottom: var(--space-16);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-md);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

/* Thumbnail Frame */
.project-thumb-frame {
  position: relative;
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-surface-hover) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb-graphic {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

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

/* Status Badges on Cards */
.project-status-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.status-completed {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-in-progress {
  background: rgba(217, 119, 6, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.status-coming-soon {
  background: rgba(107, 114, 128, 0.15);
  color: #9ca3af;
  border: 1px solid rgba(107, 114, 128, 0.3);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

/* Featured Ribbon */
.featured-ribbon {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: var(--gradient-gold);
  color: #000000;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.3);
  z-index: 2;
  letter-spacing: 0.02em;
  transition: transform var(--transition-fast);
}

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

/* Card Body */
.project-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
}

.project-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

/* Action Buttons Grid in Footer */
.project-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.project-card-actions .btn {
  flex: 1;
  justify-content: center;
  font-size: var(--font-size-xs);
}

/* ==========================================================================
 * 12. ENGINEERING JOURNEY TIMELINE & RECRUITER HIGHLIGHTS
 * ========================================================================== */
.timeline-section {
  margin-bottom: var(--space-16);
  position: relative;
}

.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-6) 0;
}

/* Animated Central Timeline Track Line */
.timeline-track {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  margin-left: -1.5px;
  background: var(--color-border);
  z-index: 1;
  overflow: hidden;
}

.timeline-track::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-container.is-visible .timeline-track::after {
  transform: scaleY(1);
}

/* Timeline Item Wrapper */
.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
  width: 50%;
  padding: 0 var(--space-8);
  box-sizing: border-box;
}

.timeline-item.timeline-left {
  left: 0;
  text-align: right;
}

.timeline-item.timeline-right {
  left: 50%;
  text-align: left;
}

/* Central Node Circle */
.timeline-node {
  position: absolute;
  top: 16px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 6px var(--color-bg), var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 2;
  transition: all var(--transition-fast);
}

.timeline-left .timeline-node {
  right: -22px;
}

.timeline-right .timeline-node {
  left: -22px;
}

.timeline-item:hover .timeline-node {
  transform: scale(1.15);
  background: var(--color-accent);
  color: #000;
  box-shadow: 0 0 0 8px var(--color-bg), 0 0 16px var(--color-accent-gold-soft);
}

/* Timeline Content Card */
.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
}

.timeline-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.timeline-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.timeline-left .timeline-card-header {
  justify-content: flex-end;
}

.timeline-right .timeline-card-header {
  justify-content: flex-start;
}

.timeline-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.timeline-org {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.timeline-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

/* Timeline Mobile Responsiveness */
@media (max-width: 768px) {
  .timeline-track {
    left: 20px;
    margin-left: 0;
  }

  .timeline-item {
    width: 100%;
    padding-left: 60px;
    padding-right: 0;
  }

  .timeline-item.timeline-left,
  .timeline-item.timeline-right {
    left: 0;
    text-align: left;
  }

  .timeline-left .timeline-node,
  .timeline-right .timeline-node {
    left: -2px;
    right: auto;
  }

  .timeline-left .timeline-card-header {
    justify-content: flex-start;
  }
}

/* Recruiter Highlights Panel */
.achievements-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-top: var(--space-10);
  box-shadow: var(--shadow-md);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (max-width: 900px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .achievements-grid {
    grid-template-columns: 1fr;
  }
}

.achievement-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.achievement-icon {
  font-size: 20px;
  margin-bottom: 4px;
}

.achievement-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.achievement-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.achievement-sub {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ==========================================================================
 * 13. EDUCATION & PROFESSIONAL EXPERIENCE CARDS
 * ========================================================================== */
.edu-exp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

@media (max-width: 900px) {
  .edu-exp-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.edu-card, .exp-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.edu-card:hover, .exp-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.edu-header, .exp-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.edu-icon-badge, .exp-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(217, 119, 6, 0.12);
  border: 1px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

/* ==========================================================================
 * 14. LICENSES & CERTIFICATIONS GALLERY
 * ========================================================================== */
.certifications-section {
  margin-bottom: var(--space-16);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

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

.cert-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-5);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.cert-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.cert-logo-frame {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.cert-card:hover .cert-logo-frame {
  transform: scale(1.08);
  border-color: var(--color-accent);
}

.cert-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cert-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.cert-provider {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.cert-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cert-action {
  margin-top: auto;
}

/* ==========================================================================
 * 15. FINAL CALL-TO-ACTION (CTA) SECTION (PHASE 6)
 * ========================================================================== */
.cta-section {
  margin-bottom: var(--space-16);
  position: relative;
}

.cta-card {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.cta-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.cta-badge {
  margin-bottom: var(--space-4);
}

.cta-heading {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  font-family: var(--font-heading);
  line-height: var(--line-height-tight);
}

.cta-subheading {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 65ch;
  margin: 0 auto var(--space-8) auto;
  line-height: var(--line-height-relaxed);
}

.cta-buttons-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ==========================================================================
 * 16. CONTACT SECTION & MODERN FORM DESIGN (PHASE 6)
 * ========================================================================== */
.contact-section {
  margin-bottom: var(--space-16);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: start;
}

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

/* Contact Form Card */
.contact-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  transform: none !important;
}

.contact-form-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: none !important;
}

.contact-form-card .card-glare {
  display: none !important;
}

.form-group {
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  position: relative;
}

.form-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: 44px; /* Room for icon */
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  box-sizing: border-box;
}

textarea.form-control {
  padding-left: var(--space-4); /* No left icon inside textarea */
  resize: vertical;
  min-height: 120px;
}

.form-control::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form-control:hover {
  border-color: var(--color-text-secondary);
}

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

.input-wrapper:focus-within .input-icon {
  color: var(--color-accent);
}

/* Field Validation States */
.form-control.is-invalid {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.form-control.is-valid {
  border-color: #10b981 !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2) !important;
}

.form-error-msg {
  font-size: 12px;
  color: #ef4444;
  margin-top: 4px;
  font-family: var(--font-mono);
}

/* Form Feedback Notification Box */
.form-feedback-container {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition: all var(--transition-fast);
}

.feedback-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #065f46;
}

[data-theme="dark"] .feedback-success {
  color: #34d399;
}

.feedback-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

[data-theme="dark"] .feedback-error {
  color: #f87171;
}

.feedback-inner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.feedback-icon {
  font-size: 20px;
  flex-shrink: 0;
}

/* Button Loading Spinner */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(15, 23, 42, 0.2);
  border-top-color: #0F172A;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

.btn-success {
  background-color: #10b981 !important;
  border-color: #10b981 !important;
  color: #ffffff !important;
}

/* Contact Info Panel */
.contact-info-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

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

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-info-val {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-top: 2px;
}

.copy-email-btn {
  margin-top: var(--space-1);
  font-size: 11px;
  padding: 4px 10px;
}

/* ==========================================================================
 * 17. PRODUCTION SITE FOOTER (PHASE 6)
 * ========================================================================== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-12);
  padding-bottom: var(--space-8);
  margin-top: auto;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

@media (max-width: 550px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.footer-brand-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  max-width: 38ch;
}

.footer-heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

/* Floating Back-to-Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-lg);
  transition: opacity var(--transition-normal), transform var(--transition-fast), background-color var(--transition-fast);
  outline: none;
}

.back-to-top-btn:hover {
  background: var(--color-accent);
  color: #0F172A;
  transform: translateY(-4px) scale(1.08);
  box-shadow: var(--shadow-gold);
}


/* ==========================================================================
 * 18. DYNAMIC RESUME MODAL & PRINT ENGINE STYLES
 * ========================================================================== */
.resume-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.resume-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.resume-modal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

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

.resume-modal-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg);
}

.resume-modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.resume-modal-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-top: 2px;
}

.resume-modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: color var(--transition-fast);
}

.resume-modal-close:hover {
  color: var(--color-text-primary);
}

.resume-modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex-grow: 1;
  background: #ffffff;
  color: #0f172a;
}

.resume-paper {
  font-family: var(--font-body);
  color: #0f172a;
  line-height: 1.5;
}

.resume-name {
  font-size: 26px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 2px 0;
  letter-spacing: -0.02em;
}

.resume-subtitle {
  font-size: 13.5px;
  font-weight: 600;
  color: #0284c7;
  margin-bottom: 10px;
}

.resume-contact-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: #475569;
  padding-bottom: 12px;
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 18px;
}

.resume-contact-bar a {
  color: #0284c7;
  text-decoration: none;
}

.resume-section {
  margin-bottom: 18px;
}

.resume-section-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0f172a;
  border-bottom: 1.5px solid #cbd5e1;
  padding-bottom: 3px;
  margin-bottom: 10px;
}

.resume-text {
  font-size: 12.5px;
  color: #334155;
  margin: 0 0 6px 0;
}

.resume-item {
  margin-bottom: 12px;
}

.resume-item-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
}

.resume-item-sub {
  font-size: 12px;
  font-weight: 500;
  color: #0284c7;
  margin-bottom: 3px;
}

.resume-item-date {
  font-size: 11.5px;
  color: #64748b;
  font-weight: normal;
}

.resume-item-tags {
  font-size: 11px;
  color: #64748b;
  font-weight: normal;
}

.resume-list {
  margin: 4px 0 0 0;
  padding-left: 16px;
  font-size: 12px;
  color: #334155;
}

.resume-list li {
  margin-bottom: 2px;
}

.resume-skill-cat {
  font-size: 12px;
  margin-bottom: 4px;
  color: #334155;
}

.resume-cert-item {
  font-size: 12px;
  margin-bottom: 4px;
  color: #334155;
}

.resume-modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background: var(--color-bg);
  flex-wrap: wrap;
}

#printable-resume-container {
  display: none;
}

@media print {
  body > * {
    display: none !important;
  }

  #printable-resume-container {
    display: block !important;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff !important;
    color: #000000 !important;
    padding: 0;
    margin: 0;
  }

  .resume-paper {
    padding: 0;
    margin: 0;
  }
}