/* ==========================================================================
   DIV CHUDASAMA PORTFOLIO - ULTRA MODERN & LUXURY THEME SYSTEM
   Supports: Premium Light Mode + Midnight Dark Mode + Top-to-Bottom Image Scroll
   ========================================================================== */

/* --- CSS Variables: LIGHT THEME (Default / Luxury Modern) --- */
:root {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-2: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-navbar: rgba(255, 255, 255, 0.85);
  --bg-navbar-scrolled: rgba(248, 250, 252, 0.94);
  --bg-footer: #f1f5f9;
  --bg-input: #ffffff;
  
  --border-color: rgba(203, 213, 225, 0.7);
  --border-color-hover: rgba(37, 99, 235, 0.4);
  --border-highlight: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9);
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.25);
  --primary-text: #ffffff;
  
  --accent-cyan: #0284c7;
  --accent-purple: #7c3aed;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  
  --text-heading: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', var(--font-body);
  
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --shadow-card: 0 10px 30px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 20px 40px -10px rgba(37, 99, 235, 0.16), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  --shadow-navbar: 0 10px 30px rgba(15, 23, 42, 0.06);
  
  --mesh-orb-1: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(14, 165, 233, 0.08) 50%, transparent 75%);
  --mesh-orb-2: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, rgba(236, 72, 153, 0.06) 50%, transparent 75%);
  --mesh-orb-3: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 75%);
  --grid-line: rgba(15, 23, 42, 0.035);
}

/* --- DARK THEME OVERRIDES --- */
[data-theme="dark"] {
  --bg-body: #060913;
  --bg-surface: #0c1222;
  --bg-surface-2: #111a31;
  --bg-card: rgba(14, 22, 41, 0.72);
  --bg-card-hover: rgba(20, 32, 60, 0.85);
  --bg-navbar: rgba(8, 13, 27, 0.82);
  --bg-navbar-scrolled: rgba(6, 9, 19, 0.94);
  --bg-footer: #080d1a;
  --bg-input: rgba(255, 255, 255, 0.03);
  
  --border-color: rgba(255, 255, 255, 0.09);
  --border-color-hover: rgba(0, 229, 255, 0.4);
  --border-highlight: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15);
  
  --primary: #00e5ff;
  --primary-hover: #33ebff;
  --primary-glow: rgba(0, 229, 255, 0.35);
  --primary-text: #050b14;
  
  --accent-cyan: #38bdf8;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  
  --text-heading: #ffffff;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --shadow-card: 0 12px 35px 0 rgba(0, 0, 0, 0.45);
  --shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 229, 255, 0.16);
  --shadow-navbar: 0 10px 30px rgba(0, 0, 0, 0.45);
  
  --mesh-orb-1: radial-gradient(circle, rgba(0, 229, 255, 0.22) 0%, rgba(37, 99, 235, 0.15) 50%, transparent 80%);
  --mesh-orb-2: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, rgba(219, 39, 119, 0.12) 50%, transparent 80%);
  --mesh-orb-3: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 80%);
  --grid-line: rgba(255, 255, 255, 0.025);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 95px;
}

section[id] {
  scroll-margin-top: 95px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: background-color 0.35s ease, color 0.35s ease;
  overflow-wrap: break-word;
  word-break: break-word;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

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

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

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

/* --- Ambient Liquid Background Glow --- */
.ambient-glow-wrapper {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  will-change: transform;
}

.orb-1 {
  width: 650px;
  height: 650px;
  background: var(--mesh-orb-1);
  top: -150px;
  left: -100px;
  animation: liquidOrbit1 22s ease-in-out infinite alternate;
}

.orb-2 {
  width: 750px;
  height: 750px;
  background: var(--mesh-orb-2);
  top: 35%;
  right: -200px;
  animation: liquidOrbit2 28s ease-in-out infinite alternate;
}

.orb-3 {
  width: 600px;
  height: 600px;
  background: var(--mesh-orb-3);
  bottom: -120px;
  left: 20%;
  animation: liquidOrbit3 25s ease-in-out infinite alternate;
}

.glow-mesh-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 55px 55px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 30%, black 40%, transparent 80%);
}

.cursor-glow {
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
  transition: transform 0.08s ease-out;
  display: none;
}

@media (min-width: 1025px) {
  .cursor-glow {
    display: block;
  }
}

@keyframes liquidOrbit1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(120px, 80px) scale(1.08); }
  100% { transform: translate(40px, 160px) scale(0.96); }
}

@keyframes liquidOrbit2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, 100px) scale(1.12); }
  100% { transform: translate(-60px, -80px) scale(0.92); }
}

@keyframes liquidOrbit3 {
  0% { transform: translate(0, 0) scale(0.95); }
  50% { transform: translate(80px, -60px) scale(1.08); }
  100% { transform: translate(-40px, 40px) scale(1); }
}

/* --- Glassmorphism Component Styles --- */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card), var(--border-highlight);
  position: relative;
  transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(18px) saturate(170%);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card), var(--border-highlight);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* --- About Me Profile Showcase Card & Interactions --- */
.about-profile-card {
  position: relative;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.35s ease,
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.35s ease;
  overflow: hidden;
}

.about-profile-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover), 0 10px 30px -10px rgba(37, 99, 235, 0.15);
}

[data-theme="dark"] .about-profile-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover), 0 0 35px rgba(0, 229, 255, 0.18);
}

/* Profile Photo Avatar Frame & Zoom */
.about-avatar-wrapper {
  position: relative;
  flex-shrink: 0;
}

.about-avatar-frame {
  width: 5.25rem;
  height: 5.25rem;
  border-radius: 1.25rem;
  overflow: hidden;
  border: 2px solid rgba(37, 99, 235, 0.28);
  padding: 3px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.08));
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.18);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 640px) {
  .about-avatar-frame {
    width: 6.25rem;
    height: 6.25rem;
    border-radius: 1.5rem;
  }
}

[data-theme="dark"] .about-avatar-frame {
  border-color: rgba(0, 229, 255, 0.35);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(14, 22, 41, 0.9));
  box-shadow: 0 10px 30px -5px rgba(0, 229, 255, 0.22);
}

.about-profile-card:hover .about-avatar-frame {
  border-color: var(--primary);
  transform: scale(1.04);
  box-shadow: 0 15px 35px -5px var(--primary-glow);
}

.about-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: calc(1.25rem - 4px);
  filter: contrast(1.04) brightness(1.02);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 640px) {
  .about-avatar-img {
    border-radius: calc(1.5rem - 4px);
  }
}

.about-profile-card:hover .about-avatar-img {
  transform: scale(1.08);
}

/* Quote styling */
.about-quote-box {
  position: relative;
  padding-left: 1rem;
  border-left: 3px solid var(--primary);
  transition: border-color 0.3s ease;
}

.glass-pill {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0.65rem 0;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

.glass-navbar {
  background: var(--bg-navbar);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-navbar), var(--border-highlight);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Scrolled state: smooth edge-to-edge backdrop shield, zero layout shift, zero jitter */
.navbar-wrapper.scrolled {
  background: var(--bg-navbar-scrolled);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
}

.navbar-wrapper.scrolled .glass-navbar {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.glass-btn {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  color: var(--text-heading);
  transition: all 0.25s ease;
  cursor: pointer;
}

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

/* --- Theme Toggle Switch Button --- */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-heading);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

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

.theme-toggle-btn .icon-sun,
.theme-toggle-btn .icon-moon {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  font-size: 1rem;
}

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

[data-theme="dark"] .theme-toggle-btn .icon-moon {
  display: none;
}
[data-theme="dark"] .theme-toggle-btn .icon-sun {
  display: block;
  color: #fbbf24;
}

/* --- Gradient Texts --- */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 60%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- High-End Buttons --- */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: var(--primary-text);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.7rem 1.45rem;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 20px var(--primary-glow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--primary-glow);
  filter: brightness(1.05);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-heading);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.7rem 1.45rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.btn-glass {
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-glass:hover {
  color: var(--text-heading);
  background: var(--bg-surface-2);
  border-color: var(--border-color);
}

/* --- Navigation Links --- */
.nav-link {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  position: relative;
  transition: all 0.2s ease;
  white-space: nowrap !important;
}

.nav-link:hover {
  color: var(--text-heading);
  background: var(--bg-surface-2);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.1);
}

[data-theme="dark"] .nav-link.active {
  background: rgba(0, 229, 255, 0.12);
}

/* --- Mobile Navigation Drawer --- */
.mobile-drawer.active {
  pointer-events: auto;
}

.mobile-drawer.active .drawer-backdrop {
  opacity: 1;
}

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

.mobile-nav-link {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
  background: var(--bg-surface-2);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--text-heading);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-line + .hamburger-line {
  margin-top: 5px;
}

.mobile-menu-btn.active .line-1 {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .line-2 {
  opacity: 0;
}

.mobile-menu-btn.active .line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section & Liquid Rings --- */
.hero-image-wrapper {
  perspective: 1000px;
}

.liquid-ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.ring-1 {
  width: 115%;
  height: 115%;
  border: 1px dashed var(--border-color-hover);
  animation: rotateRing 25s linear infinite;
}

.ring-2 {
  width: 128%;
  height: 128%;
  border: 1px solid var(--border-color);
  animation: rotateRing 35s linear infinite reverse;
}

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

.glass-hero-frame {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
}

/* --- Floating Tech Badges --- */
.floating-badge {
  position: absolute;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: 9999px;
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  color: var(--text-heading);
  pointer-events: auto;
  user-select: none;
  font-weight: 600;
}

.badge-wp {
  top: 8%;
  left: -8%;
  animation: floatBadge1 4.5s ease-in-out infinite alternate;
}

.badge-woo {
  top: 25%;
  right: -8%;
  animation: floatBadge2 5s ease-in-out infinite alternate 0.5s;
}

.badge-code {
  bottom: 25%;
  left: -10%;
  animation: floatBadge1 5.2s ease-in-out infinite alternate 1s;
}

.badge-speed {
  bottom: 12%;
  right: -6%;
  animation: floatBadge2 4.2s ease-in-out infinite alternate 1.5s;
}

@media (max-width: 1023px) {
  .floating-badge {
    display: none !important;
  }
}

@keyframes floatBadge1 {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-12px) rotate(-2deg); }
}

@keyframes floatBadge2 {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-14px) rotate(2deg); }
}

/* Dynamic Typing Cursor, Strict 2-Line Architecture & Height Stability Lock */
.hero-headline {
  line-height: 1.2;
  letter-spacing: -0.025em;
  /* Min-height prevents any vertical layout shift / jumping during typing/deleting */
  min-height: calc(2 * 1.2em + 0.5rem);
}

.hero-title-line1 {
  white-space: nowrap;
}

.hero-title-line2 {
  white-space: nowrap;
  min-width: 0;
}

.hero-prefix {
  color: var(--text-heading);
}

.typing-text-wrapper {
  display: inline-flex;
  align-items: baseline;
  position: relative;
  min-width: 1ch;
}

/* Shimmering Animated Gradient for Dynamic Typewriter */
.typing-text {
  display: inline-block;
  background: linear-gradient(120deg, #00e5ff 0%, #38bdf8 30%, #818cf8 65%, #00e5ff 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: typingGradientFlow 6s ease-in-out infinite;
  filter: drop-shadow(0 0 16px rgba(0, 229, 255, 0.28));
  font-weight: 900;
}

[data-theme="light"] .typing-text {
  background: linear-gradient(120deg, #0284c7 0%, #2563eb 35%, #7c3aed 70%, #0284c7 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(37, 99, 235, 0.18));
}

@keyframes typingGradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Glowing Neon Cyber Cursor */
.cursor-blink {
  display: inline-block;
  margin-left: 2px;
  font-weight: 300;
  color: #00e5ff;
  animation: cursorGlowPulse 0.75s ease-in-out infinite;
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.9), 0 0 20px rgba(0, 229, 255, 0.5);
  transform: translateY(-1px);
}

[data-theme="light"] .cursor-blink {
  color: #2563eb;
  text-shadow: 0 0 8px rgba(37, 99, 235, 0.6);
}

@keyframes cursorGlowPulse {
  0%, 100% {
    opacity: 1;
    transform: translateY(-1px) scaleY(1);
  }
  50% {
    opacity: 0.15;
    transform: translateY(-1px) scaleY(0.9);
  }
}

/* Strict Height Stabilization across All Breakpoints (Zero Layout Shift) */
@media (max-width: 420px) {
  .hero-headline {
    font-size: 1.28rem !important;
    line-height: 1.25 !important;
    min-height: 3.5rem !important;
  }
}

@media (min-width: 421px) and (max-width: 639px) {
  .hero-headline {
    font-size: 1.55rem !important;
    line-height: 1.22 !important;
    min-height: 4.1rem !important;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .hero-headline {
    min-height: 5.4rem !important;
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .hero-headline {
    min-height: 6.85rem !important;
  }
}

@media (min-width: 1280px) {
  .hero-headline {
    min-height: 7.25rem !important;
  }
}

/* --- Stat Chips --- */
.glass-stat-chip {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  min-width: 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

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

@media (max-width: 640px) {
  .glass-stat-chip {
    padding: 0.65rem 0.4rem !important;
    text-align: center;
  }
}

/* --- Skills Tags --- */
.skill-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-body);
  background: var(--bg-surface-2);
  padding: 0.42rem 0.78rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  cursor: default;
  user-select: none;
}

.skill-tag i {
  transition: transform 0.25s ease, color 0.25s ease;
}

@media (max-width: 640px) {
  .skill-tag {
    font-size: 0.7rem;
    padding: 0.32rem 0.58rem;
    gap: 0.35rem;
  }
}

.skill-tag:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
}

.skill-tag:hover i {
  transform: scale(1.18);
  color: var(--primary);
}

[data-theme="dark"] .skill-tag:hover {
  background: rgba(0, 229, 255, 0.12);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(0, 229, 255, 0.2);
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-heading);
  font-size: 0.95rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.social-icon-btn i {
  color: currentColor;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: transform 0.25s ease, color 0.25s ease;
  pointer-events: none;
}

.social-icon-btn:hover,
.social-icon-btn:focus,
.social-icon-btn:active {
  transform: translateY(-2px);
  outline: none;
}

.social-icon-btn:hover i,
.social-icon-btn:focus i,
.social-icon-btn:active i {
  transform: scale(1.15);
}

/* Dark Mode: Vibrant Cyan background with deep midnight black icon for MAXIMUM CONTRAST */
[data-theme="dark"] .social-icon-btn:hover,
[data-theme="dark"] .social-icon-btn:focus,
[data-theme="dark"] .social-icon-btn:active {
  background: #00e5ff !important;
  border-color: #00e5ff !important;
  color: #060913 !important;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.45);
}

[data-theme="dark"] .social-icon-btn:hover i,
[data-theme="dark"] .social-icon-btn:focus i,
[data-theme="dark"] .social-icon-btn:active i {
  color: #060913 !important;
}

/* Light Mode: Royal blue background with crisp white icon */
[data-theme="light"] .social-icon-btn:hover,
[data-theme="light"] .social-icon-btn:focus,
[data-theme="light"] .social-icon-btn:active {
  background: #2563eb !important;
  border-color: #2563eb !important;
  color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

[data-theme="light"] .social-icon-btn:hover i,
[data-theme="light"] .social-icon-btn:focus i,
[data-theme="light"] .social-icon-btn:active i {
  color: #ffffff !important;
}

.social-pill-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-heading);
  transition: all 0.25s ease;
}

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

/* --- Services Grid --- */
.glass-service-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card), var(--border-highlight);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.featured-service-card {
  border-color: rgba(124, 58, 237, 0.35);
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.12);
  transition: transform 0.3s ease;
}

.glass-service-card:hover .service-icon-box {
  transform: scale(1.08);
}

/* --- Filter Buttons --- */
.filter-btn {
  background: var(--bg-surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.1rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.filter-btn.active {
  background: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* ==========================================================================
   PROJECT CARD & SMOOTH TOP-TO-BOTTOM HOVER SCROLL ENGINE
   ========================================================================== */
.project-card {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

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

/* Mockup Container with Fixed Viewport Height */
.project-mockup-wrapper {
  position: relative;
  width: 100%;
  height: 250px; /* Fixed height window for the long webpage */
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background-color: var(--bg-surface-2);
  cursor: pointer;
}

/* Long Webpage Screenshot */
.project-preview-img {
  width: 100%;
  height: auto;
  min-height: 100%;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: cover;
  object-position: top center;
  transform: translateY(0);
  /* Smooth scroll down when hovered, smooth scroll back up when unhovered */
  transition: transform 3.8s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

/* When the card or mockup wrapper is hovered, scroll the entire screenshot down */
.project-card:hover .project-preview-img,
.project-mockup-wrapper:hover .project-preview-img {
  transform: translateY(calc(-100% + 250px));
}

/* Scroll Hint Pill Badge */
.hover-scroll-hint {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 20;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.project-card:hover .hover-scroll-hint {
  opacity: 0.15;
  transform: translateY(-4px);
}

/* Quick Action Overlay (Appears on Hover) */
.mockup-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 16px;
  z-index: 15;
}

.project-card:hover .mockup-overlay {
  opacity: 1;
  pointer-events: auto;
}

/* Modal Viewport & Top-to-Bottom Scroll */
.modal-image-container {
  position: relative;
  width: 100%;
  height: 400px; /* Fixed viewport window inside modal */
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.modal-image-container img {
  width: 100%;
  height: auto;
  min-height: 100%;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: cover;
  object-position: top center;
  transform: translateY(0);
  transition: transform 4.8s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.modal-image-container:hover img {
  transform: translateY(calc(-100% + 400px));
}

.modal-image-container .modal-scroll-hint {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 20;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-image-container:hover .modal-scroll-hint {
  opacity: 0.2;
}

/* --- Contact Form Inputs --- */
.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-heading);
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  outline: none;
  transition: all 0.25s ease;
  backdrop-filter: blur(10px);
}

textarea.form-input {
  padding-left: 1rem;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow), var(--border-highlight);
}

.form-input::placeholder {
  color: var(--text-dim);
  font-weight: 400;
}

.form-input option {
  background-color: var(--bg-surface);
  color: var(--text-heading);
}

/* --- Social Media Links & Pills --- */
.social-pill-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-color);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-body);
  text-decoration: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.social-pill-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

/* --- Footer Luxury Component (Dynamic Light / Dark Theme) --- */
.footer-wrapper {
  background: var(--bg-footer);
  border-top: 1px solid var(--border-color);
  color: var(--text-body);
  position: relative;
  z-index: 20;
  transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease;
}

.footer-wrapper h4 {
  color: var(--text-heading);
}

.footer-wrapper a:not(.social-icon-btn) {
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.footer-wrapper a:not(.social-icon-btn):hover {
  color: var(--primary);
  transform: translateX(2px);
}

.footer-wrapper p {
  color: var(--text-muted);
}

/* --- Floating WhatsApp CTA --- */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 45;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
  position: absolute;
  left: 64px;
  background: var(--text-heading);
  color: var(--bg-surface);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-10px);
  transition: all 0.25s ease;
}

.floating-whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 640px) {
  .floating-whatsapp-btn {
    bottom: 16px;
    left: 14px;
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
  .whatsapp-tooltip {
    display: none !important;
  }
}

/* ==========================================================================
   PIXEL-PERFECT SECTION SPACING SYSTEM
   Eliminates double-padding stacking (80px + 80px = 160px gap issue)
   ========================================================================== */
.site-section {
  padding-top: 2.25rem;    /* 36px on mobile */
  padding-bottom: 2.25rem; /* 36px on mobile -> 72px total balanced spacing between sections */
  position: relative;
}

@media (min-width: 768px) {
  .site-section {
    padding-top: 3rem;     /* 48px on tablet */
    padding-bottom: 3rem;  /* 48px on tablet -> 96px total balanced spacing */
  }
}

@media (min-width: 1024px) {
  .site-section {
    padding-top: 3.75rem;   /* 60px on desktop */
    padding-bottom: 3.75rem; /* 60px on desktop -> 120px total balanced spacing */
  }
}

/* --- Back to Top Button: 100% Dead Center & Pixel Perfect --- */
.back-to-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: none;
  box-shadow: 0 0 0 1px var(--border-color), var(--shadow-card);
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  z-index: 45;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.back-to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  color: var(--primary);
  box-shadow: 0 0 0 1.5px var(--primary), var(--shadow-card), 0 0 20px var(--primary-glow);
  transform: translateY(-3px);
}

.progress-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  pointer-events: none;
}

.progress-ring-bg {
  stroke: var(--border-color);
  opacity: 0.35;
}

.progress-ring-circle {
  stroke: var(--primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.1s linear;
}

.back-to-top-btn .arrow-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  stroke: currentColor;
  z-index: 2;
  transition: transform 0.25s ease, stroke 0.25s ease;
  pointer-events: none;
}

.back-to-top-btn:hover .arrow-icon {
  transform: translate(-50%, -56%);
  stroke: var(--primary);
}

@media (max-width: 640px) {
  .back-to-top-btn {
    bottom: 16px;
    right: 14px;
    width: 44px;
    height: 44px;
  }
  .back-to-top-btn .arrow-icon {
    width: 16px;
    height: 16px;
  }
}

/* --- Modal & Lightbox --- */
.project-modal.active {
  opacity: 1;
  pointer-events: auto;
}

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

.modal-card {
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-body);
}

/* --- Toast Notification --- */
.toast-notification.show {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -10px);
}

/* --- Mobile Responsive Rules --- */
@media (max-width: 768px) {
  .hero-section {
    padding-top: 6.5rem;
    min-height: auto;
  }
  
  .badge-wp, .badge-woo, .badge-code, .badge-speed {
    padding: 0.35rem 0.65rem;
    font-size: 0.7rem;
  }
  
  .badge-wp { left: 0; top: 5%; }
  .badge-woo { right: 0; top: 20%; }
  .badge-code { left: 0; bottom: 20%; }
  .badge-speed { right: 0; bottom: 8%; }

  .project-mockup-wrapper {
    height: 220px;
  }
  
  .modal-image-container {
    height: 280px;
  }

  .floating-whatsapp-btn {
    bottom: 16px;
    left: 16px;
    width: 48px;
    height: 48px;
  }
  
  .back-to-top-btn {
    bottom: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
  }
}