/* ==========================================================================
   NUR AJI PURNOMO - PORTFOLIO DESIGN SYSTEM
   Concept & Aesthetic inspired by ahmadsaif.web.id
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES & THEME TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Light Theme - Inspired by AI Recruit Pro Aesthetic */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-muted: #f1f5f9;
  --bg-inverted: #0f172a;
  
  --border-color: #e2e8f0;
  --border-color-hover: #2563eb;
  --border-accent: #2563eb;
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-accent: #2563eb;
  --text-inverted: #ffffff;
  
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.14);
  --surface-glow: rgba(37, 99, 235, 0.04);
  
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --nav-height: 70px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. BASE RESET & TYPOGRAPHY
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: #ffffff;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.08), transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(56, 189, 248, 0.07), transparent 35%),
    radial-gradient(circle, rgba(15, 23, 42, 0.055) 1.1px, transparent 1.1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  background-position: 0 0, 0 0, 0 0;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 15% 45%, rgba(37, 99, 235, 0.04), transparent 25%),
    radial-gradient(circle at 85% 75%, rgba(56, 189, 248, 0.04), transparent 25%);
  pointer-events: none;
  z-index: 0;
}

/* Noise overlay background for digital brutalist texture */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
}

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

ul {
  list-style: none;
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 3.75rem 0;
}

.section-padding + .section-padding {
  padding-top: 3rem;
}

/* --------------------------------------------------------------------------
   3. SECTION HEADERS & TAGLINES
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 720px;
}

.section-tagline {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-accent);
  display: inline-block;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: none;
}

.header-line {
  width: 44px;
  height: 3px;
  background-color: var(--accent-color);
  margin-top: 0.5rem;
  border-radius: 999px;
}

/* --------------------------------------------------------------------------
   4. NEO-BRUTALIST BUTTONS & ACCESSIBLE TOUCH TARGETS
   -------------------------------------------------------------------------- */
.brutalist-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.65rem 1.4rem;
  min-height: 42px;
  background-color: var(--accent-color);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 1vw, 0.825rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--accent-color);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}

.brutalist-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

.brutalist-btn i {
  transition: transform var(--transition-fast);
}

.brutalist-btn:hover i {
  transform: translateY(2px);
}

.brutalist-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.65rem 1.4rem;
  min-height: 42px;
  background-color: #ffffff;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 1vw, 0.825rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

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

.brutalist-btn-outline:hover {
  transform: translateY(-2px);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.brutalist-btn-inverted {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border: 1px solid var(--bg-primary);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.brutalist-btn-inverted:hover {
  transform: translateY(-2px);
  background-color: var(--text-accent);
  color: #000;
  border-color: var(--text-accent);
}

/* --------------------------------------------------------------------------
   5. STICKY NAVBAR HEADER (AI Recruit Pro Clean Aesthetic)
   -------------------------------------------------------------------------- */
.navbar-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}

.nav-left-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 102;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 102;
}



/* Desktop Menu Links */
.nav-menu {
  display: none;
}

@media (min-width: 992px) {
  .nav-menu {
    display: block;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

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

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  position: relative;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-accent);
  background-color: rgba(37, 99, 235, 0.07);
}

/* Dropdown Navigation Menu (AI Recruit Pro Style) */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-arrow {
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: 105;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(4px);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-item i {
  font-size: 0.85rem;
  color: var(--text-accent);
  width: 16px;
  text-align: center;
}

.dropdown-item:hover {
  color: var(--text-accent);
  background-color: rgba(37, 99, 235, 0.07);
}

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

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

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

/* Hamburger Mobile Toggle Button */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  z-index: 102;
  transition: all var(--transition-fast);
}

.hamburger-btn:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-muted);
}

@media (min-width: 992px) {
  .hamburger-btn {
    display: none;
  }
}

.hamburger-bar {
  width: 18px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

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

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

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

/* Mobile Drawer Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  gap: 1rem;
  transform: translateY(-150%);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 99;
}

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

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

.mobile-nav-link:hover {
  color: var(--text-accent);
  background-color: rgba(37, 99, 235, 0.07);
}

/* Mobile Dropdown Groups */
.mobile-dropdown-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border-color);
}

.mobile-group-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-accent);
  padding: 0.2rem 0.5rem;
}

.mobile-nav-sublink {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-nav-sublink i {
  color: var(--text-accent);
  font-size: 0.85rem;
  width: 16px;
}

.mobile-nav-sublink:hover {
  color: var(--text-accent);
  background-color: rgba(37, 99, 235, 0.07);
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: 5rem 0 6rem;
  border-bottom: none;
  overflow: hidden;
}

/* Custom Luminous Mesh Gradient Orbs (Bold, Vibrant & Clearly Visible Background Lighting) */
.hero-mesh-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(35px);
  opacity: 0.92;
  pointer-events: none;
}

/* Left Luminous Royal Indigo Orb */
.hero-orb-left {
  top: 10%;
  left: -6%;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.42) 0%, rgba(99, 102, 241, 0.22) 50%, transparent 75%);
  animation: orbDriftLeft 14s ease-in-out infinite alternate;
}

/* Right Soft Sky Blue & Indigo Orb */
.hero-orb-right {
  bottom: 0%;
  right: -4%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.45) 0%, rgba(37, 99, 235, 0.22) 50%, transparent 75%);
  animation: orbDriftRight 16s ease-in-out infinite alternate;
}

@keyframes orbDriftLeft {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(35px, -25px) scale(1.08); }
}

@keyframes orbDriftRight {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, 20px) scale(1.1); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-text-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Role Subtag - Clean Eyebrow Accent (Human Developer Design) */
.hero-subtag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-accent);
  background: transparent;
  border: none;
  border-left: 3px solid var(--text-accent);
  padding: 0.15rem 0 0.15rem 0.75rem;
  border-radius: 0;
  margin-bottom: 1rem;
  width: fit-content;
  text-transform: none;
}

.hero-subtag-dot {
  display: none;
}

.hero-headline {
  font-size: clamp(1.75rem, 3.8vw, 3.1rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0.01em;
  margin-bottom: 0.75rem;
  max-width: 640px;
}

/* Typewriter Roles Box */
.hero-typewriter-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: 1.25rem;
  min-height: 1.5rem;
}

.typewriter-cursor {
  display: inline-block;
  width: 7px;
  height: 1.1rem;
  background-color: var(--text-accent);
  animation: blink 1s infinite;
}

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

.hero-bio-summary {
  font-size: 0.935rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.hero-actions .brutalist-btn,
.hero-actions .brutalist-btn-outline {
  min-width: 190px;
}

/* Social Media Icon Row */
.hero-social-strip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-icon-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  background-color: var(--bg-card-hover);
}

/* Hero Profile Frame inspired by ahmadsaif.web.id */
.hero-image-wrapper {
  display: flex;
  justify-content: center;
}

@media (min-width: 992px) {
  .hero-image-wrapper {
    justify-content: flex-end;
  }
}

/* Pure Standalone Profile Cutout (No Background Boxes or Shapes) */
.hero-profile-frame {
  position: relative;
  width: 310px;
  height: 420px;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
}

.hero-profile-frame::before {
  content: '';
  position: absolute;
  inset: 12% 5% 0 5%;
  background: radial-gradient(circle at 50% 65%, rgba(37, 99, 235, 0.22) 0%, rgba(56, 189, 248, 0.1) 55%, transparent 80%);
  filter: blur(24px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

@media (min-width: 768px) {
  .hero-profile-frame {
    width: 370px;
    height: 480px;
  }
}

/* Hide any background shape elements completely */
.hero-circle-backdrop {
  display: none;
}

/* Standalone Cutout Portrait (100% Original Natural Skin Tone & Facial Features) */
.hero-profile-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 16px 36px rgba(15, 23, 42, 0.14));
  transition: transform var(--transition-slow);
}

.hero-profile-frame:hover .hero-profile-img {
  transform: translateY(-6px) scale(1.02);
}

/* Floating Micro Cards Styling */
.hero-floating-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 10px;
  padding: 0.45rem 0.75rem;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08), 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: all var(--transition-medium);
  white-space: nowrap;
}

.hero-floating-card:hover {
  transform: translateY(-4px) scale(1.03) !important;
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.16), 0 4px 12px rgba(15, 23, 42, 0.06);
  border-color: rgba(37, 99, 235, 0.35);
}

.floating-card-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.floating-card-icon.icon-blue {
  background-color: rgba(37, 99, 235, 0.1);
  color: #2563eb;
}

.floating-card-icon.icon-indigo {
  background-color: rgba(99, 102, 241, 0.1);
  color: #6366f1;
}

.floating-card-icon.icon-emerald {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.floating-card-info {
  display: flex;
  flex-direction: column;
}

.floating-card-title {
  font-size: 0.675rem;
  font-weight: 500;
  color: #64748b;
  line-height: 1.2;
}

.floating-card-val {
  font-size: 0.8rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.25;
}

/* Floating Card Positions & Animations */
.card-top-left {
  top: 1%;
  left: -12%;
  animation: floatSlow 5s ease-in-out infinite alternate;
}

.card-top-right {
  top: 1%;
  right: -12%;
  animation: floatReverse 6s ease-in-out infinite alternate;
}

.card-bottom-right {
  bottom: 2%;
  right: -18%;
  animation: floatSlow 7s ease-in-out infinite alternate;
}

@media (min-width: 992px) {
  .card-top-left {
    top: 1%;
    left: -22%;
  }
  .card-top-right {
    top: 1%;
    right: -24%;
  }
  .card-bottom-right {
    bottom: 2%;
    right: -24%;
  }
}

@keyframes floatSlow {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

@keyframes floatReverse {
  0% { transform: translateY(0); }
  100% { transform: translateY(8px); }
}

/* Floating Email Action Button (Pojok Kanan Bawah Screen) */
.floating-email-fab {
  position: fixed;
  bottom: 2.2rem;
  right: 2.2rem;
  z-index: 990;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.45), 0 4px 12px rgba(15, 23, 42, 0.18);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.floating-email-fab:hover {
  transform: translateY(-5px) scale(1.08);
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  box-shadow: 0 16px 35px rgba(37, 99, 235, 0.55), 0 6px 16px rgba(15, 23, 42, 0.22);
  color: #ffffff;
}

.floating-email-fab::after {
  content: 'Email Me';
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%) scale(0.9);
  background: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.floating-email-fab:hover::after {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

@media (max-width: 768px) {
  .floating-email-fab {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 52px;
    height: 52px;
    font-size: 1.25rem;
  }
}

.frame-corner-tag {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   7. INFINITE MARQUEE TICKER
   -------------------------------------------------------------------------- */
.marquee-ticker-section {
  padding: 1.1rem 0;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  white-space: nowrap;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeSlow 35s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 0 1.5rem;
}

.marquee-item {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition-fast);
}

.marquee-item:hover {
  color: var(--text-primary);
}

.marquee-bullet {
  font-size: 0.85rem;
  color: var(--text-accent);
}

@keyframes marqueeSlow {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   8. ABOUT SECTION & CARDS
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.industrial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  backdrop-filter: blur(14px);
}

.industrial-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.09);
}

.card-heading {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.about-bio-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0.6rem;
}

/* Stats Quad Grid */
.stats-quad-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.stat-item-box {
  background-color: var(--bg-muted);
  border: 1px solid var(--border-color);
  padding: 0.6rem 0.5rem;
  border-radius: var(--radius-xs);
  text-align: center;
  transition: border-color var(--transition-fast);
}

.stat-item-box:hover {
  border-color: var(--border-color-hover);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 0.1rem;
}

.stat-label-text {
  font-family: var(--font-heading);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

/* Progress Fill Bar */
.progress-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.progress-track {
  width: 100%;
  height: 5px;
  background-color: var(--bg-muted);
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background-color: var(--text-primary);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   9. SKILLS GRID
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

.skill-card-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-normal);
}

.skill-card-item:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.1);
}

.skill-icon-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

.skill-icon-box {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background-color: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: all var(--transition-fast);
}

.skill-card-item:hover .skill-icon-box {
  background-color: #2563eb;
  color: #ffffff;
  transform: scale(1.05);
}

/* Custom SVG mask fallback for Flutter Icon when FontAwesome fa-flutter is invoked */
i.fa-flutter,
i.fa-brands.fa-flutter {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  background-color: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14.314 0L2.3 12 6 15.7 21.686 0h-7.372zM6 15.7L14.314 24h7.372L13.372 15.7 6 15.7zM14.314 12l3.686 3.7L21.686 12h-7.372z'/%3E%3C/svg%3E") no-repeat center / contain;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14.314 0L2.3 12 6 15.7 21.686 0h-7.372zM6 15.7L14.314 24h7.372L13.372 15.7 6 15.7zM14.314 12l3.686 3.7L21.686 12h-7.372z'/%3E%3C/svg%3E") no-repeat center / contain;
}

.tech-pill {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  background-color: var(--bg-muted);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 6px;
  text-transform: none;
  letter-spacing: 0.01em;
}

.skill-title-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.skill-meta-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.skill-level-badge {
  font-family: var(--font-heading);
  font-size: 0.675rem;
  font-weight: 700;
  color: var(--text-accent);
  text-transform: none;
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   10. PROJECTS GRID - MODERN SHOWCASE & BROWSER MOCKUP DESIGN
   -------------------------------------------------------------------------- */
.projects-section {
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.projects-section-header {
  margin-bottom: 2.5rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  line-height: 1.6;
  max-width: 650px;
}

/* 6-Column Symmetrical Grid for 5 Uniform Cards (3 on row 1, 2 centered on row 2) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

@media (min-width: 992px) {
  /* Row 1: 3 cards (each spans 2 columns) */
  .projects-grid > .project-card-item:nth-child(1),
  .projects-grid > .project-card-item:nth-child(2),
  .projects-grid > .project-card-item:nth-child(3) {
    grid-column: span 2;
  }
  /* Row 2: 2 cards centered (cols 2-3 and 4-5) */
  .projects-grid > .project-card-item:nth-child(4) {
    grid-column: 2 / span 2;
  }
  .projects-grid > .project-card-item:nth-child(5) {
    grid-column: 4 / span 2;
  }
}

@media (max-width: 991px) and (min-width: 680px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .projects-grid > .project-card-item {
    grid-column: span 1 !important;
  }
  .projects-grid > .project-card-item:last-child {
    grid-column: 1 / -1 !important;
    max-width: 540px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 679px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .projects-grid > .project-card-item {
    grid-column: auto !important;
  }
}

/* Uniform Project Card Box (Matches screenshot) */
.project-card-item {
  background-color: #ffffff;
  border: 1.5px solid #bfdbfe;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.05);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.project-card-item:hover {
  border-color: #3b82f6;
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.12);
}

/* Top Window Address Bar */
.project-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background-color: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  user-select: none;
}

.window-address-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 500;
  color: #334155;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 86%;
}

.window-address-pill i {
  font-size: 0.75rem;
  color: #0f172a;
}

.window-action-icon {
  font-size: 0.72rem;
  color: #64748b;
  transition: color var(--transition-fast);
}

.project-card-item:hover .window-action-icon {
  color: #2563eb;
}

/* Project Image Container */
.project-img-container {
  width: 100%;
  height: 195px;
  position: relative;
  overflow: hidden;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform var(--transition-slow);
}

.project-card-item:hover .project-cover-img {
  transform: scale(1.03);
}

/* Card Body */
.project-body {
  padding: 1.15rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-meta-category {
  font-size: 0.78rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.45rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  line-height: 1.4;
}

.project-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 0.5rem;
  color: #2563eb;
  transition: color var(--transition-fast);
}

.project-card-item:hover .project-card-title {
  color: #1d4ed8;
}

.project-card-desc {
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.55;
  margin-bottom: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 5.25rem;
}

/* Tech Stack Pills */
.project-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tech-pill {
  font-size: 0.72rem;
  font-weight: 500;
  color: #334155;
  background-color: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.project-card-item:hover .tech-pill {
  border-color: #bfdbfe;
  background-color: #eff6ff;
  color: #2563eb;
}

/* Footer Action Links */
.project-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid #e2e8f0;
}

.project-action-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: #1e293b;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.project-action-link:hover {
  color: #2563eb;
}

.project-action-link i {
  font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   11. CERTIFICATES SECTION
   -------------------------------------------------------------------------- */
.cert-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.filter-tab-btn {
  padding: 0.5rem 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab-btn:hover,
.filter-tab-btn.active {
  background-color: var(--text-accent);
  color: #ffffff;
  border-color: var(--text-accent);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.certs-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.85rem;
}

.cert-card-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-normal);
}

.cert-card-item:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.1);
}

.cert-img-box {
  width: 100%;
  height: 135px;
  overflow: hidden;
  background-color: var(--bg-secondary);
  cursor: pointer;
}

.cert-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.cert-img-box:hover .cert-thumbnail {
  transform: scale(1.04);
}

.cert-body-content {
  padding: 0.85rem 1rem;
}

.cert-badge-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  border: 1px solid var(--border-color);
}

.badge-competition {
  background-color: rgba(234, 179, 8, 0.12);
  color: #eab308;
  border-color: rgba(234, 179, 8, 0.3);
}

.badge-huawei {
  background-color: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

.badge-course {
  background-color: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.cert-item-title {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1.35;
}

.cert-issuer-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   12. JOURNEY / EXPERIENCE & EDUCATION
   -------------------------------------------------------------------------- */
.journey-section {
  border-bottom: 1px solid var(--border-color);
}

.journey-dual-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 992px) {
  .journey-dual-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.journey-column-title {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.timeline-items-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid var(--border-color);
}

.timeline-entry {
  position: relative;
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: calc(-1rem - 5px);
  top: 6px;
  width: 8px;
  height: 8px;
  background-color: var(--text-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.22);
}

.timeline-date-tag {
  font-family: var(--font-heading);
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.timeline-entry-title {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 0.15rem;
}

.timeline-organization {
  font-size: 0.775rem;
  color: var(--text-accent);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.timeline-entry-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   13. INVERTED CV BANNER
   -------------------------------------------------------------------------- */
.inverted-cv-banner {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 1.75rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.cv-banner-flex {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .cv-banner-flex {
    flex-direction: row;
    align-items: center;
  }
}

.cv-subtag {
  font-family: var(--font-heading);
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.7;
  margin-bottom: 0.35rem;
}

.cv-headline {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--bg-primary);
}

@media (min-width: 768px) {
  .cv-headline {
    font-size: 1.85rem;
  }
}

/* --------------------------------------------------------------------------
   14. SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.85rem;
}

.service-card-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-normal);
}

.service-card-item:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.1);
}

.service-icon-wrapper {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.65rem;
  transition: all var(--transition-fast);
}

.service-card-item:hover .service-icon-wrapper {
  background-color: #2563eb;
  color: #ffffff;
  transform: scale(1.05);
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.service-card-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   15. CONTACT SECTION & GRID CARDS
   -------------------------------------------------------------------------- */
.contact-intro-subtitle {
  font-size: 0.925rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-top: -1rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.contact-channel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.35rem 1.45rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-normal);
  backdrop-filter: blur(14px);
}

.contact-channel-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.1);
}

.contact-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 0.95rem;
}

.contact-card-icon.icon-blue {
  background-color: rgba(37, 99, 235, 0.08);
  color: #2563eb;
}

.contact-card-icon.icon-emerald {
  background-color: rgba(16, 185, 129, 0.08);
  color: #10b981;
}

.contact-card-icon.icon-indigo {
  background-color: rgba(99, 102, 241, 0.08);
  color: #6366f1;
}

.contact-card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.contact-card-label {
  font-family: var(--font-heading);
  font-size: 0.685rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-card-value {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
  margin-bottom: 0.35rem;
  word-break: break-all;
}

.contact-card-value:hover {
  color: var(--text-accent);
}

.contact-card-sub {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 1.25rem;
}

.contact-card-btn {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

.contact-card-socials {
  margin-top: auto;
  padding-top: 0.25rem;
  width: 100%;
  justify-content: flex-start;
}

.industrial-contact-form {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.35rem 1.5rem;
  border-radius: var(--radius-sm);
}

.form-group-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.form-field-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.form-label-text {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.form-input-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input-control:focus {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

textarea.form-input-control {
  min-height: 95px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   16. FOOTER & MISC MODALS / TOASTS
   -------------------------------------------------------------------------- */
.footer-bar {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.footer-content-flex {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-content-flex {
    flex-direction: row;
    text-align: left;
  }
}

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

/* Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background-color: var(--text-primary);
  color: #ffffff;
  border: 1px solid var(--text-primary);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
  transition: all var(--transition-fast);
  z-index: 980;
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top-btn:hover {
  transform: translateY(-4px);
  background-color: var(--text-accent);
  color: #ffffff;
  border-color: var(--text-accent);
  box-shadow: 0 12px 25px rgba(37, 99, 235, 0.4);
}

@media (max-width: 768px) {
  .back-to-top-btn {
    bottom: 5.4rem;
    right: 1.6rem;
    width: 42px;
    height: 42px;
  }
}

/* Toast Box Notification */
.toast-box {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.toast-box.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Certificate Lightbox Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-content-img {
  max-width: 90%;
  max-height: 85vh;
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-xs);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.modal-close-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
}

/* ==========================================================================
   ADMIN MANAGEMENT PANEL STYLES
   ========================================================================== */

/* Helper utilities */
.hidden {
  display: none !important;
}

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

.spin-slow {
  animation: spinSlow 12s linear infinite;
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 1. Admin Login Auth Overlay */
.admin-auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 11, 0.92);
  backdrop-filter: blur(12px);
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.admin-login-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-accent);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px var(--accent-glow);
  padding: 2.5rem 2rem;
  position: relative;
}

.admin-card-header {
  margin-bottom: 1.75rem;
  text-align: center;
}

.admin-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.admin-card-sub {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.admin-login-error {
  background-color: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  padding: 0.6rem 0.9rem;
  font-size: 0.825rem;
  border-radius: var(--radius-xs);
  margin-top: 0.75rem;
}

/* 2. Fullscreen Admin Dashboard */
.admin-dashboard-wrapper {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  z-index: 11000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-header-bar {
  height: var(--nav-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.admin-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-header-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background-color: var(--accent-glow);
  color: var(--text-accent);
  border: 1px solid var(--border-accent);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
}

.admin-header-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
}

.admin-header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* 3. Admin Layout Body & Sidebar */
.admin-body-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.admin-sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.75rem;
  overflow-y: auto;
}

.admin-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.admin-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  padding: 0.8rem 1rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  position: relative;
}

.admin-tab-btn i {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
}

.admin-tab-btn:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.admin-tab-btn.active {
  background-color: var(--bg-muted);
  color: var(--text-accent);
  border-color: var(--border-accent);
  box-shadow: inset 3px 0 0 var(--text-accent);
}

.badge-unread {
  margin-left: auto;
  background-color: #ef4444;
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

/* 4. Main Content Panes */
.admin-content-pane {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-y: auto;
  background-color: var(--bg-primary);
}

.admin-pane {
  display: none;
  max-width: 1100px;
  margin: 0 auto;
}

.admin-pane.active {
  display: block;
}

.admin-pane-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.admin-pane-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.admin-pane-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 5. Stats Cards */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.admin-stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.admin-stat-icon {
  width: 50px;
  height: 50px;
  background-color: var(--accent-glow);
  border: 1px solid var(--border-accent);
  color: var(--text-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.admin-stat-val {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1;
}

.admin-stat-lbl {
  font-size: 0.775rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.35rem;
}

/* 6. Admin Card Box & Data Tables */
.admin-card-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
}

.admin-card-box h3 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-table-wrapper {
  overflow-x: auto;
}

.admin-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.admin-data-table th {
  background-color: var(--bg-muted);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.admin-data-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.admin-data-table tr:hover td {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
}

.admin-data-table tr.unread-row td {
  font-weight: 600;
  color: var(--text-primary);
  background-color: rgba(56, 189, 248, 0.04);
}

/* 7. Admin Items Management Cards Grid */
.admin-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.admin-item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  transition: border-color var(--transition-fast);
}

.admin-item-card:hover {
  border-color: var(--border-accent);
}

.admin-item-preview-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.admin-item-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.admin-item-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.admin-item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.admin-item-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.btn-admin-action {
  flex: 1;
  padding: 0.4rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

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

.btn-admin-action.delete:hover {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  color: #ef4444;
}

/* 8. CRUD Form Modal */
.admin-crud-card {
  width: 100%;
  max-width: 580px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-accent);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85);
  padding: 2rem;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

/* 9. Responsive Adjustments */
@media (max-width: 868px) {
  .admin-body-layout {
    flex-direction: column;
  }
  
  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    max-height: none;
    padding: 0.5rem 0.75rem;
  }
  
  .admin-content-pane {
    padding: 1.25rem 1rem;
  }
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE ENHANCEMENTS
   ========================================================================== */

/* Tablet Responsive Adjustments (769px - 991px) */
@media (max-width: 991px) and (min-width: 769px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .project-card-item.featured-wide {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
  }

  .project-card-item.featured-wide .project-showcase-wrapper {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .project-card-item.featured-wide .project-img-container {
    min-height: 240px;
    height: 240px;
  }

  /* Make 3rd non-featured project span full row on 2-col tablet so there is no dangling hole */
  .projects-grid > .project-card-item:not(.featured-wide):last-child {
    grid-column: 1 / -1;
  }
}

/* 1. Global Container & Mobile Layout (< 768px) */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
  }

  .container {
    padding: 0 1rem;
  }

  .section-padding {
    padding: 2.75rem 0;
  }

  .section-padding + .section-padding {
    padding-top: 2.25rem;
  }

  .section-title {
    font-size: clamp(1.4rem, 5.5vw, 1.85rem);
    line-height: 1.25;
  }

  .section-tagline {
    font-size: 0.725rem;
  }

  .section-header {
    margin-bottom: 1.25rem;
    gap: 0.35rem;
  }

  /* Sticky Navbar Header Mobile Polish */
  .navbar-header {
    height: 60px;
  }

  .navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .nav-logo {
    font-size: 0.95rem;
    font-weight: 800;
  }

  .mobile-menu {
    top: 60px;
    padding: 1rem 1.2rem;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.15);
  }

  .mobile-nav-link {
    font-size: 0.875rem;
    padding: 0.55rem 0.35rem;
  }

  /* Hero Section Mobile Optimization */
  .hero-section {
    padding: 2.25rem 0 3rem;
    min-height: auto;
  }

  .hero-grid {
    gap: 2rem;
  }

  .hero-headline {
    font-size: clamp(1.75rem, 7vw, 2.35rem);
    line-height: 1.12;
    margin-bottom: 0.5rem;
  }

  .hero-subtag {
    font-size: 0.75rem;
    padding: 0.1rem 0 0.1rem 0.6rem;
    margin-bottom: 0.75rem;
  }

  .hero-typewriter-box {
    font-size: 0.825rem;
    margin-bottom: 0.85rem;
    min-height: 1.25rem;
  }

  .hero-bio-summary {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
  }

  .hero-actions .brutalist-btn,
  .hero-actions .brutalist-btn-outline {
    width: 100%;
    justify-content: center;
    min-height: 40px;
    font-size: 0.8rem;
  }

  .hero-social-strip {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .social-icon-btn {
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
  }

  /* Hero Profile Frame & Mobile Inset Floating Cards */
  .hero-image-wrapper {
    display: flex;
    justify-content: center;
  }

  .hero-profile-frame {
    width: 280px;
    height: 360px;
    margin: 0 auto;
  }

  .hero-floating-card {
    padding: 0.35rem 0.6rem;
    border-radius: 8px;
    gap: 0.5rem;
  }

  .floating-card-icon {
    width: 26px;
    height: 26px;
    font-size: 0.725rem;
    border-radius: 6px;
  }

  .floating-card-title {
    font-size: 0.575rem;
  }

  .floating-card-val {
    font-size: 0.7rem;
  }

  .card-top-left {
    top: -16px;
    left: 0;
  }

  .card-top-right {
    top: -16px;
    right: 0;
  }

  .card-bottom-right {
    bottom: 4px;
    right: 0;
  }

  /* Stats Quad Grid on Phones */
  .stats-quad-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-top: 0.75rem;
  }

  .stat-item-box {
    padding: 0.6rem 0.4rem;
  }

  .stat-number {
    font-size: 1.15rem;
  }

  .stat-label-text {
    font-size: 0.6rem;
  }

  /* About Card Mobile Padding */
  .industrial-card {
    padding: 1.15rem 1rem;
    border-radius: var(--radius-sm);
  }

  .about-bio-text {
    font-size: 0.825rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }

  /* 2-Column Responsive Layout for Skills, Certs & Services on Mobile */
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .skill-card-item {
    padding: 0.75rem 0.85rem;
    border-radius: var(--radius-sm);
  }

  .skill-icon-row {
    margin-bottom: 0.45rem;
  }

  .skill-icon-box {
    width: 30px;
    height: 30px;
    font-size: 1rem;
    border-radius: 6px;
  }

  .skill-title-name {
    font-size: 0.85rem;
    margin-bottom: 0.15rem;
  }

  .skill-meta-flex {
    font-size: 0.7rem;
  }

  /* Projects Grid Mobile Optimization */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .project-card-item {
    border-radius: var(--radius-md);
  }

  .project-card-item.featured-wide {
    grid-template-columns: 1fr;
  }

  .project-card-item.featured-wide .project-showcase-wrapper {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .project-img-container,
  .project-card-item.featured-wide .project-img-container {
    min-height: 185px;
    height: 185px;
  }

  .project-body {
    padding: 1.15rem 1rem;
  }

  .project-card-title {
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
  }

  .project-card-item.featured-wide .project-card-title {
    font-size: 1.15rem;
  }

  .project-card-desc {
    font-size: 0.825rem;
    line-height: 1.48;
    margin-bottom: 0.75rem;
  }

  .project-card-item:not(.featured-wide) .project-card-desc {
    min-height: auto;
    -webkit-line-clamp: unset;
  }

  .btn-project-action {
    flex: 1;
    justify-content: center;
    font-size: 0.75rem;
    padding: 0.4rem 0.65rem;
  }

  .btn-project-link {
    font-size: 0.725rem;
    padding: 0.3rem 0.65rem;
  }

  /* Certificate Filter Bar Touch Scroll */
  .cert-filter-bar {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0.4rem;
    margin-bottom: 1rem;
  }

  .cert-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-tab-btn {
    flex: 0 0 auto;
    padding: 0.4rem 0.75rem;
    font-size: 0.675rem;
  }

  .certs-grid-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .cert-card-item {
    border-radius: var(--radius-sm);
  }

  .cert-img-box {
    height: 105px;
  }

  .cert-body-content {
    padding: 0.65rem 0.75rem;
  }

  .cert-badge-tag {
    font-size: 0.55rem;
    padding: 0.1rem 0.35rem;
    margin-bottom: 0.3rem;
  }

  .cert-item-title {
    font-size: 0.775rem;
    line-height: 1.3;
    margin-bottom: 0.15rem;
  }

  .cert-issuer-meta {
    font-size: 0.675rem;
  }

  /* Journey / Timeline Mobile */
  .journey-dual-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .journey-column-title {
    font-size: 1.05rem;
    margin-bottom: 1rem;
    padding-bottom: 0.35rem;
  }

  .timeline-items-list {
    gap: 1rem;
    padding-left: 0.85rem;
  }

  .timeline-entry-title {
    font-size: 0.875rem;
  }

  .timeline-organization {
    font-size: 0.725rem;
    margin-bottom: 0.3rem;
  }

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

  /* Inverted CV Banner Mobile */
  .inverted-cv-banner {
    padding: 1.5rem 0;
  }

  .cv-banner-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .cv-headline {
    font-size: 1.35rem;
  }

  .brutalist-btn-inverted {
    width: 100%;
    justify-content: center;
    padding: 0.7rem 1.25rem;
    font-size: 0.725rem;
  }

  /* Services Grid Mobile */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .service-card-item {
    padding: 0.85rem 0.95rem;
    border-radius: var(--radius-sm);
  }

  .service-icon-wrapper {
    width: 32px;
    height: 32px;
    font-size: 1rem;
    margin-bottom: 0.45rem;
    border-radius: 6px;
  }

  .service-card-title {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
  }

  .service-card-desc {
    font-size: 0.775rem;
    line-height: 1.4;
  }

  /* Contact Cards Mobile Layout */
  .contact-intro-subtitle {
    font-size: 0.825rem;
    margin-top: -0.35rem;
    margin-bottom: 1.25rem;
  }

  .contact-cards-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .contact-channel-card {
    padding: 1.15rem 1rem;
  }

  .contact-card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    margin-bottom: 0.65rem;
  }

  .contact-card-value {
    font-size: 0.95rem;
  }

  .contact-card-sub {
    font-size: 0.775rem;
    margin-bottom: 1rem;
  }

  /* Floating Action Buttons Mobile Positioning */
  .back-to-top-btn {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }
}

/* 2. Extra Small Mobile Phones (< 400px) */
@media (max-width: 400px) {
  .hero-headline {
    font-size: 1.65rem;
  }

  .hero-profile-frame {
    width: 250px;
    height: 320px;
  }

  .card-top-left {
    top: -16px;
    left: 0;
  }

  .card-top-right {
    top: -16px;
    right: 0;
  }

  .card-bottom-right {
    bottom: 4px;
    right: 0;
  }

  .skills-grid,
  .certs-grid-container,
  .services-grid {
    grid-template-columns: 1fr;
  }
}