/* ==========================================================================
   KINGSIDE INNOVATION - DAVID OGUNYADE PORTFOLIO STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Default Dark Luxury Theme */
  --bg-primary: #090a0f;
  --bg-secondary: #11131c;
  --bg-tertiary: #191c28;
  --bg-glass: rgba(17, 19, 28, 0.75);
  --bg-glass-card: rgba(255, 255, 255, 0.03);
  
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.35);
  --accent-hover: #3b82f6;
  --accent-red: #ff3b30;
  --accent-whatsapp: #25D366;
  --accent-whatsapp-glow: rgba(37, 211, 102, 0.4);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(255, 255, 255, 0.18);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.25);
  
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Syne', var(--font-main);
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-card: rgba(0, 0, 0, 0.03);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-highlight: rgba(0, 0, 0, 0.16);
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

body.menu-open {
  overflow: hidden !important;
  touch-action: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

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

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

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

/* Ambient Background Glow & Particle Animations */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  animation: floatGlow 14s infinite alternate ease-in-out;
}
.ambient-1 {
  top: -100px;
  right: -100px;
  width: 550px;
  height: 550px;
  background: rgba(37, 99, 235, 0.18);
}
.ambient-2 {
  bottom: 10%;
  left: -150px;
  width: 650px;
  height: 650px;
  background: rgba(255, 59, 48, 0.09);
  animation-delay: -7s;
}

@keyframes floatGlow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, 40px) scale(1.08);
  }
  100% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

/* Thin Grid Pattern Layer */
.bg-grid-pattern {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.8;
}
[data-theme="light"] .bg-grid-pattern {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.035) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
}

/* Desktop Cursor Follower Glow */
.cursor-glow {
  position: fixed;
  top: -175px;
  left: -175px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.22) 0%, rgba(37, 99, 235, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.4s ease;
  will-change: transform;
}
body.cursor-active .cursor-glow {
  opacity: 1;
}
@media (pointer: coarse), (max-width: 1024px) {
  .cursor-glow {
    display: none !important;
  }
}

/* 3D Depth Gradient Text Utility */
.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .text-gradient {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glassmorphism Panel Utility */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   3. Header & Navigation
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1500;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}
.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  height: 70px;
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  z-index: 2100;
}
.logo-accent {
  color: var(--accent-red);
  font-size: 1.8rem;
}
.logo-subtext {
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-left: 6px;
}

.desktop-nav {
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2100;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
  min-height: 44px;
  position: relative;
  overflow: hidden;
}
.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.btn .icon-move {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn:hover .icon-move {
  transform: translateX(5px);
}
.btn:active:not(:disabled) {
  transform: translateY(0) scale(0.97) !important;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  background: var(--bg-glass-card);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-highlight);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-whatsapp-nav {
  background: rgba(37, 211, 102, 0.12);
  color: var(--accent-whatsapp);
  border-color: rgba(37, 211, 102, 0.3);
}
.btn-whatsapp-nav:hover:not(:disabled) {
  background: var(--accent-whatsapp);
  color: #ffffff;
  box-shadow: 0 0 25px var(--accent-whatsapp-glow);
  transform: translateY(-3px);
}

/* Theme Switch Toggle */
.theme-toggle {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: var(--transition-fast);
}
.theme-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-highlight);
}

/* Hamburger Menu Toggle Button (Hidden on Desktop) */
.menu-toggle {
  display: none;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  transition: var(--transition-fast);
}
.menu-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-highlight);
}

/* --------------------------------------------------------------------------
   4. Mobile Navigation Drawer Overlay
   -------------------------------------------------------------------------- */
.mobile-drawer {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(9, 10, 15, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 2000;
  padding: 95px 24px 40px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

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

.mobile-drawer-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-drawer-link {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border-bottom: 1px solid var(--border-color);
  min-height: 48px;
}
.mobile-drawer-link:hover, .mobile-drawer-link.active {
  background: rgba(37, 99, 235, 0.12);
  color: #60a5fa;
  border-color: rgba(37, 99, 235, 0.3);
}

.mobile-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 30px;
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  padding-top: 130px;
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  width: 100%;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #60a5fa;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #38bdf8;
  border-radius: 50%;
  box-shadow: 0 0 10px #38bdf8;
  animation: pulse 2s infinite;
}

.location-tag {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero-title {
  font-size: clamp(2.5rem, 6.5vw, 5.2rem);
  line-height: 0.98;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title-accent {
  display: block;
  font-family: var(--font-main);
  font-weight: 400;
  text-transform: none;
  font-size: 0.45em;
  color: var(--text-secondary);
  letter-spacing: 0;
  margin-top: 12px;
  line-height: 1.3;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Staggered Entrance Animations */
.hero-animate {
  opacity: 0;
  transform: translateY(24px);
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-anim-1 { animation-delay: 0.1s; }
.hero-anim-2 { animation-delay: 0.25s; }
.hero-anim-3 { animation-delay: 0.4s; }
.hero-anim-4 { animation-delay: 0.55s; }
.hero-anim-5 { animation-delay: 0.7s; }

@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.hero-portrait-card {
  width: 100%;
  max-width: 460px;
  height: 540px;
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  transform-style: preserve-3d;
  transition: transform 0.25s ease-out, box-shadow 0.3s ease;
  will-change: transform;
}

.hero-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  filter: contrast(1.05) brightness(0.95);
  transition: transform var(--transition-smooth);
}

.hero-portrait-card:hover .hero-portrait-img {
  transform: scale(1.02);
}

/* Floating 3D Tech Badges */
.floating-3d-badge {
  position: absolute;
  padding: 10px 16px;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  z-index: 10;
  transform: translateZ(35px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.badge-top-right {
  top: 28px;
  right: -12px;
}
.badge-bottom-left {
  bottom: 100px;
  left: -12px;
}
.floating-3d-badge i {
  color: var(--accent-primary);
  font-size: 1.1rem;
}

.hero-overlay-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  padding: 20px;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateZ(25px);
}

.tag-info h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.tag-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Scroll Reveal Classes (IntersectionObserver) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px) scale(0.97);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.reveal-child {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--i, 1) * 80ms);
}
.reveal-on-scroll.is-visible .reveal-child {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   6. About Section
   -------------------------------------------------------------------------- */
.about-lead {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-weight: 500;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.pillar-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition-fast);
}
.pillar-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-2px);
}

.pillar-icon {
  font-size: 1.6rem;
  color: var(--accent-primary);
  margin-top: 2px;
}

.pillar-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}
.pillar-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   7. Services Section
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px auto;
}

.section-subtitle {
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  perspective: 1000px;
}

.service-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.25s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}
.service-card:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.service-glow-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--radius-lg);
  z-index: 1;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
}
.service-card:hover .service-glow-overlay {
  opacity: 1;
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.6rem;
  margin-bottom: 24px;
  transform: translateZ(20px);
  transition: transform 0.3s ease;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  transform: translateZ(15px);
}
.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  transform: translateZ(10px);
}

/* --------------------------------------------------------------------------
   8. Tech Stack Section
   -------------------------------------------------------------------------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
}

.tech-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}
.tech-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-5px) scale(1.04);
  background: var(--bg-tertiary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.tech-icon {
  font-size: 2.3rem;
  margin-bottom: 10px;
  transition: transform 0.3s ease;
}
.tech-card:hover .tech-icon {
  transform: scale(1.1);
}

.tech-card h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.tech-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   9. Projects & Case Studies
   -------------------------------------------------------------------------- */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: var(--bg-glass-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  min-height: 44px;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
  perspective: 1000px;
}

.work-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
}
.work-card:hover {
  transform: translateY(-8px) rotateX(1deg);
  border-color: var(--border-highlight);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(37, 99, 235, 0.2);
}

.work-img-wrapper {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
  perspective: 800px;
}

/* Floating Website Mockup Effect for Queens Delight Bakehouse & Featured Projects */
.work-card.featured-work-card .work-img {
  transform: scale(0.96) translateY(4px);
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}
.work-card.featured-work-card:hover .work-img {
  transform: scale(1.02) translateY(-6px) rotateX(2deg) rotateY(-2deg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 35px rgba(37, 99, 235, 0.35);
}

.work-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.work-card:not(.featured-work-card):hover .work-img {
  transform: scale(1.06);
}

.work-tag-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--border-color);
}

.badge-placeholder {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.work-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.work-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.work-title {
  font-size: 1.25rem;
}
.work-arrow {
  font-size: 1.2rem;
  color: var(--accent-primary);
}

.work-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.work-features-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.work-features-list span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.text-success { color: #22c55e; }

.work-stats-row {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   10. Why Work With Me Section
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.why-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.why-icon {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: 18px;
}

.why-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.why-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   11. Process Section
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
}

.process-card {
  padding: 28px;
  position: relative;
}

.process-step-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
  position: absolute;
  top: 16px;
  right: 20px;
}

.process-icon {
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.process-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.process-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   12. Estimator Section
   -------------------------------------------------------------------------- */
.estimator-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.estimator-box {
  padding: 36px;
}

.form-group {
  margin-bottom: 28px;
}
.form-label {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 12px;
  display: block;
}

.scope-pills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.scope-pill {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  text-align: center;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-fast);
  user-select: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scope-pill:hover {
  border-color: var(--border-highlight);
}
.scope-pill.active {
  background: rgba(37, 99, 235, 0.15);
  border-color: var(--accent-primary);
  color: #60a5fa;
}

.range-slider-wrapper {
  position: relative;
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-primary);
  outline: none;
  -webkit-appearance: none;
  accent-color: var(--accent-primary);
}

.range-values {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.summary-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 90px;
}

.summary-header h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.summary-header p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.estimate-price-display {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.estimate-deliverables {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.estimate-deliverables li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.check-icon {
  color: #22c55e;
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   13. Contact Section & Responsive Form Grids
   -------------------------------------------------------------------------- */
.contact-box-container {
  max-width: 960px;
  margin: 0 auto;
}

.contact-card-wrapper {
  padding: 36px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--border-color);
  padding-right: 36px;
}

.contact-info-col h3 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-primary);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-top: 14px;
}

.contact-icon {
  font-size: 1.6rem;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-status-banner {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.4;
  animation: fadeIn 0.3s ease-in-out;
}

.success-banner {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.error-banner {
  background: rgba(255, 59, 48, 0.15);
  border: 1px solid rgba(255, 59, 48, 0.3);
  color: #ff6b6b;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   14. Floating WhatsApp Widget & Modals
   -------------------------------------------------------------------------- */
.whatsapp-float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--accent-whatsapp);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 10px 25px var(--accent-whatsapp-glow);
  cursor: pointer;
  z-index: 1400;
  transition: var(--transition-bounce);
  border: none;
}
.whatsapp-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-pulse-dot {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: #22c55e;
  border: 2px solid var(--bg-primary);
  border-radius: 50%;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease;
}
.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.94) translateY(20px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}
.modal-backdrop.active .modal-content {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal-header-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(9, 10, 15, 0.85);
  border: 1px solid var(--border-color);
  color: #ffffff;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
}

.modal-body {
  padding: 32px;
}

.modal-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.modal-tag {
  background: rgba(37, 99, 235, 0.15);
  color: #60a5fa;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.modal-title {
  font-size: 2rem;
  margin-bottom: 14px;
}

.modal-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}

.modal-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.modal-metric-card {
  background: var(--bg-primary);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.modal-metric-card h4 {
  font-size: 1.4rem;
  color: var(--accent-primary);
  margin-bottom: 4px;
}
.modal-metric-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--bg-primary);
  padding: 80px 0 40px 0;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 320px;
  font-size: 0.95rem;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 36px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   16. COMPREHENSIVE RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Laptop & Tablet Breakdown (<= 1024px) */
@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }
  .desktop-only-btn {
    display: none !important;
  }
  .menu-toggle {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-meta, .hero-ctas {
    justify-content: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-portrait-card {
    max-width: 440px;
    height: 460px;
    margin: 0 auto;
  }
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .summary-card {
    position: static;
  }
  .contact-card-wrapper {
    grid-template-columns: 1fr;
  }
  .contact-info-col {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* Tablet Screens (768px - 820px) */
@media (max-width: 820px) {
  .section {
    padding: 80px 0;
  }
  .services-grid, .why-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .works-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  }
}

/* Standard Mobile Screens (<= 640px) */
@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
  .section {
    padding: 70px 0;
  }
  .hero {
    padding-top: 110px;
    padding-bottom: 60px;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-portrait-card {
    height: 380px;
  }
  .form-row-2col {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 14px;
  }
  .estimator-box, .summary-card, .contact-card-wrapper {
    padding: 24px 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  .whatsapp-float-btn {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }
}

/* Compact Mobile Screens (<= 480px, 430px, 414px, 390px, 375px) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-description {
    font-size: 1rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-portrait-card {
    height: 340px;
  }
  .services-grid, .why-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .modal-body {
    padding: 20px 16px;
  }
  .modal-header-img {
    height: 220px;
  }
}

/* Small Mobile Screens (<= 360px & 320px) */
@media (max-width: 360px) {
  .container {
    padding: 0 12px;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-portrait-card {
    height: 280px;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .logo-subtext {
    display: none;
  }
  .scope-pills {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   15. Accessibility & Reduced Motion Support
   -------------------------------------------------------------------------- */
@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;
  }
  .reveal-on-scroll, .reveal-child, .hero-animate {
    opacity: 1 !important;
    transform: none !important;
  }
  .cursor-glow {
    display: none !important;
  }
  .\33 d-tilt-card, #heroTiltCard, .floating-3d-badge, .work-card {
    transform: none !important;
  }
}