/* ==========================================================================
   RENAD SOBHY PORTFOLIO STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN SYSTEM & VARIABLE DEFINITIONS
   -------------------------------------------------------------------------- */
:root {
  /* Theme Transition speed */
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --box-shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.1);
  --box-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.15);
  --box-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.2);

  /* Default Dark Theme Variable Values */
  --bg-primary: #050805;
  --bg-secondary: #0c120c;
  --bg-accent: #0f160f;
  --primary-green: #1FA463;
  --primary-green-rgb: 31, 164, 99;
  --primary-green-glow: rgba(31, 164, 99, 0.12);
  --accent-green: #67C79A;
  --accent-green-glow: rgba(103, 199, 154, 0.18);
  --secondary-green: #2D8C63;
  --dark-green-tint: #163E2E;
  --text-primary: #F5FFF7;
  --text-secondary: #a0b0a0;
  --card-bg: #0D130D;
  --border-color: rgba(31, 164, 99, 0.15);
  --badge-bg: rgba(31, 164, 99, 0.1);

  /* Mascot Avatar Colors */
  --skin-tone: #F3C397;
  --hair-color: #2F2E41;
  --hair-color-accent: #3F3D56;
  --mascot-features: #1a1a1a;
  --blush-color: #FF8A8A;
  
  /* Floating shapes opacity */
  --bg-shape-opacity: 0.05;

  /* Ambient Glow Blobs colors */
  --blob-color-1: rgba(31, 164, 99, 0.05);
  --blob-color-2: rgba(103, 199, 154, 0.04);
  --blob-color-3: rgba(22, 62, 46, 0.04);
}

/* Light Theme Variables */
body.light-theme {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FCF8;
  --bg-accent: #EDF5ED;
  --primary-green: #2D8C63;
  --primary-green-rgb: 45, 140, 99;
  --primary-green-glow: rgba(45, 140, 99, 0.08);
  --accent-green: #1FA463;
  --accent-green-glow: rgba(31, 164, 99, 0.15);
  --secondary-green: #1FA463;
  --dark-green-tint: #163E2E;
  --text-primary: #101510;
  --text-secondary: #4e5a4e;
  --card-bg: #F7FBF7;
  --border-color: rgba(45, 140, 99, 0.15);
  --badge-bg: rgba(45, 140, 99, 0.08);
  
  --bg-shape-opacity: 0.07;

  /* Ambient Glow Blobs colors */
  --blob-color-1: rgba(31, 164, 99, 0.02);
  --blob-color-2: rgba(45, 140, 99, 0.02);
  --blob-color-3: rgba(103, 199, 154, 0.01);
}

/* --------------------------------------------------------------------------
   2. GLOBAL STYLES & RESET
   -------------------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

body.no-scroll {
  overflow: hidden;
}

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

ul {
  list-style: none;
}

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

/* --------------------------------------------------------------------------
   3. REUSABLE COMPONENTS & UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-accent {
  background-color: var(--bg-accent);
  transition: background-color var(--transition-slow);
  position: relative;
}

.section-header {
  margin-bottom: 60px;
}

.section-subtitle {
  font-family: var(--font-secondary);
  color: var(--primary-green);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 2px;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.title-underline {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
  margin: 16px auto 0 auto;
  border-radius: 2px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: 10px;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--primary-green);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-green);
  box-shadow: 0 6px 20px rgba(32, 224, 112, 0.4);
  transform: translateY(-2px);
}

.btn-primary svg {
  transition: transform var(--transition-normal);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

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

.btn-secondary:hover {
  background-color: var(--primary-green-glow);
  border-color: var(--primary-green);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   4. INTRO SPLASH SCREEN
   -------------------------------------------------------------------------- */
.splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.splash-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

.splash-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* Mascot SVG Animation */
.mascot-container {
  width: 130px;
  height: 130px;
  margin-bottom: 10px;
}

.mascot-svg {
  width: 100%;
  height: 100%;
}

.mascot-glow-circle {
  animation: mascot-glow-pulse 2s ease-in-out infinite alternate;
  transform-origin: center;
}

/* Rotating ambient sparkles */
.mascot-ambient-sparkles {
  animation: mascot-sparkle-rotate 8s linear infinite;
  transform-origin: 60px 60px;
}

/* Wink logic using opacity and scale keyframes */
.mascot-eye-right-normal-group {
  animation: mascot-wink 3s infinite;
  transform-origin: 70px 60px;
}

.mascot-eye-right-wink {
  animation: mascot-wink-inverse 3s infinite;
  opacity: 0;
  transform-origin: 70px 60px;
}

/* Sparkle appearing when winking */
.mascot-wink-sparkle {
  animation: mascot-sparkle-wink 3s infinite;
  transform-origin: 80px 56px;
  opacity: 0;
}

.mascot-smile {
  animation: mascot-smile-bounce 3s infinite ease-in-out;
}

@keyframes mascot-glow-pulse {
  0% {
    r: 52px;
    opacity: 0.4;
  }
  100% {
    r: 57px;
    opacity: 0.8;
    stroke: var(--accent-green);
  }
}

@keyframes mascot-sparkle-rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes mascot-wink {
  0%, 35%, 50%, 100% {
    opacity: 1;
    transform: scaleY(1);
  }
  40%, 45% {
    opacity: 0;
    transform: scaleY(0);
  }
}

@keyframes mascot-wink-inverse {
  0%, 35%, 50%, 100% {
    opacity: 0;
  }
  40%, 45% {
    opacity: 1;
  }
}

@keyframes mascot-sparkle-wink {
  0%, 38%, 47%, 100% {
    opacity: 0;
    transform: scale(0);
  }
  41%, 44% {
    opacity: 1;
    transform: scale(1.2);
  }
}

@keyframes mascot-smile-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(0.5px);
  }
}

/* Splash Text & Progress Bar */
.splash-text {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  animation: splash-text-reveal 1.5s ease forwards 0.3s;
}

.splash-loader-bar {
  width: 160px;
  height: 3px;
  background-color: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 10px;
}

.splash-progress {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
  border-radius: 2px;
  animation: splash-progress-fill 2.6s cubic-bezier(0.1, 0.8, 0.1, 1) forwards;
}

@keyframes splash-text-reveal {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes splash-progress-fill {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   5. ANIMATED BACKGROUND LAYER
   -------------------------------------------------------------------------- */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Ambient mesh gradient blobs */
.bg-glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.85;
  transition: background-color var(--transition-slow);
  will-change: transform;
}

.blob-1 {
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background-color: var(--blob-color-1);
  animation: blob-drift-1 40s infinite alternate ease-in-out;
}

.blob-2 {
  bottom: -15%;
  left: -10%;
  width: 700px;
  height: 700px;
  background-color: var(--blob-color-2);
  animation: blob-drift-2 50s infinite alternate ease-in-out;
}

.blob-3 {
  top: 40%;
  left: 30%;
  width: 500px;
  height: 500px;
  background-color: var(--blob-color-3);
  animation: blob-drift-3 45s infinite alternate ease-in-out;
}

@keyframes blob-drift-1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-80px, 60px) scale(1.1); }
  100% { transform: translate(40px, -40px) scale(0.9); }
}

@keyframes blob-drift-2 {
  0% { transform: translate(0, 0) scale(0.9); }
  50% { transform: translate(70px, -90px) scale(1.15); }
  100% { transform: translate(-50px, 50px) scale(1); }
}

@keyframes blob-drift-3 {
  0% { transform: translate(0, 0) scale(1.05); }
  50% { transform: translate(-50px, -50px) scale(0.85); }
  100% { transform: translate(50px, 30px) scale(1.1); }
}

.bg-shape {
  position: absolute;
  color: var(--primary-green);
  opacity: var(--bg-shape-opacity);
  will-change: transform, opacity;
  transition: opacity var(--transition-slow), color var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Layered parallax-like CSS floating animations based on speed data attribute */
.bg-shape[data-speed="slow"] {
  animation: float-drift-slow var(--float-duration, 35s) ease-in-out infinite alternate;
  animation-delay: var(--float-delay, 0s);
}

.bg-shape[data-speed="medium"] {
  animation: float-drift-medium var(--float-duration, 25s) ease-in-out infinite alternate;
  animation-delay: var(--float-delay, 0s);
}

.bg-shape[data-speed="fast"] {
  animation: float-drift-fast var(--float-duration, 18s) ease-in-out infinite alternate;
  animation-delay: var(--float-delay, 0s);
}

.shape-text {
  font-family: var(--font-secondary);
  font-size: 2.2rem;
  font-weight: 800;
  user-select: none;
}

.shape-svg {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Specific SVG element styles and micro-animations */
.bg-shape svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 1.5;
  transition: transform var(--transition-normal);
}

/* Sparkle pulse & spin */
.shape-sparkle svg {
  animation: pulse-spin 8s linear infinite;
  transform-origin: center;
}

/* Idea bulb filament pulse */
.shape-idea .bulb-filament {
  animation: filament-glow 2.5s ease-in-out infinite alternate;
}

/* Chat bubble gentle tilt */
.shape-chat svg {
  animation: gentle-tilt 6s ease-in-out infinite alternate;
}

/* DSLR camera outline gentle scale pulse */
.shape-camera svg {
  animation: gentle-pulse 7s ease-in-out infinite alternate;
}

/* Animated timeline line tracks */
.shape-timeline-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
  width: 180px;
  opacity: calc(var(--bg-shape-opacity) * 1.5);
  animation: line-slide 15s linear infinite;
  will-change: transform, opacity;
}

.shape-dot {
  background-color: var(--primary-green);
  border-radius: 50%;
  filter: blur(1px);
  animation: pulse-dot 4s ease-in-out infinite alternate;
}

/* Layered parallax drifting keyframes using translate3d for hardware-acceleration */
@keyframes float-drift-slow {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(0.9);
    opacity: calc(var(--bg-shape-opacity) * 0.75);
  }
  50% {
    transform: translate3d(-25px, 30px, 0) rotate(15deg) scale(1.05);
    opacity: calc(var(--bg-shape-opacity) * 1.25);
  }
  100% {
    transform: translate3d(15px, -15px, 0) rotate(-10deg) scale(0.95);
    opacity: calc(var(--bg-shape-opacity) * 0.75);
  }
}

@keyframes float-drift-medium {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
    opacity: calc(var(--bg-shape-opacity) * 0.9);
  }
  50% {
    transform: translate3d(35px, -25px, 0) rotate(-20deg) scale(1.1);
    opacity: calc(var(--bg-shape-opacity) * 1.4);
  }
  100% {
    transform: translate3d(-20px, 15px, 0) rotate(15deg) scale(0.9);
    opacity: calc(var(--bg-shape-opacity) * 0.9);
  }
}

@keyframes float-drift-fast {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(0.95);
    opacity: calc(var(--bg-shape-opacity) * 1);
  }
  50% {
    transform: translate3d(-40px, -40px, 0) rotate(35deg) scale(1.15);
    opacity: calc(var(--bg-shape-opacity) * 1.5);
  }
  100% {
    transform: translate3d(30px, 30px, 0) rotate(-35deg) scale(0.9);
    opacity: calc(var(--bg-shape-opacity) * 1);
  }
}

@keyframes pulse-spin {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.25); }
  100% { transform: rotate(360deg) scale(1); }
}

@keyframes filament-glow {
  0% { opacity: 0.3; stroke-width: 1.5; }
  100% { opacity: 1; stroke-width: 2.5; stroke: var(--accent-green); }
}

@keyframes gentle-tilt {
  0% { transform: rotate(-5deg); }
  100% { transform: rotate(5deg); }
}

@keyframes gentle-pulse {
  0% { transform: scale(0.93); }
  100% { transform: scale(1.07); }
}

@keyframes pulse-dot {
  0% { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.2); opacity: 1; }
}

@keyframes line-slide {
  0% { transform: translate3d(-60px, 0, 0) scaleX(0.8); opacity: 0; }
  20% { opacity: calc(var(--bg-shape-opacity) * 1.5); }
  80% { opacity: calc(var(--bg-shape-opacity) * 1.5); }
  100% { transform: translate3d(120px, 0, 0) scaleX(1.2); opacity: 0; }
}

/* --------------------------------------------------------------------------
   6. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(var(--primary-green-rgb), 0.02);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.header.scrolled {
  background-color: rgba(var(--bg-primary-rgb, 5, 8, 5), 0.85);
  height: 70px;
}

.header-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
}

.logo-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2.5px solid var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-green-glow);
  transition: transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
  will-change: transform;
}

.logo-letters {
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary-green);
  letter-spacing: -0.5px;
  line-height: 1;
  transition: color var(--transition-normal);
}

.logo-text {
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  transition: color var(--transition-normal);
}

.logo-accent {
  color: var(--primary-green);
  transition: color var(--transition-normal);
}

/* Hover effects for monogram logo */
.logo-brand:hover .logo-circle {
  transform: scale(1.08);
  background-color: var(--primary-green);
  border-color: var(--primary-green);
}

.logo-brand:hover .logo-letters {
  color: #FFFFFF;
}

/* Navigation Menu */
.nav-list {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-green);
  transition: width var(--transition-normal);
}

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

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

/* Header Action buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.theme-toggle-btn:hover {
  background-color: var(--primary-green-glow);
  color: var(--primary-green);
  border-color: var(--primary-green);
}

/* Display Moon/Sun according to state */
.sun-icon {
  display: none;
}

.moon-icon {
  display: block;
}

body.light-theme .sun-icon {
  display: block;
}

body.light-theme .moon-icon {
  display: none;
}

/* Hamburger mobile button */
.menu-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  padding: 4px;
  z-index: 110;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-normal);
  transform-origin: center;
}

/* Hamburger transition state */
.menu-toggle-btn.open .hamburger-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle-btn.open .hamburger-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   7. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  z-index: 1;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--badge-bg);
  color: var(--primary-green);
  padding: 8px 16px;
  border-radius: 30px;
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
  transition: all var(--transition-slow);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary-green);
  border-radius: 50%;
  animation: pulse-dot 1.5s infinite alternate;
}

@keyframes pulse-dot {
  0% { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 1; }
}

.hero-title {
  font-family: var(--font-secondary);
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent-green);
  margin-bottom: 24px;
}

.hero-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-info-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.hero-info-item svg {
  color: var(--primary-green);
}

.hero-ctas {
  display: flex;
  gap: 16px;
}

/* Hero Creative Visual Layer */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-glow-layer {
  position: absolute;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-green-glow) 0%, transparent 70%);
  filter: blur(30px);
  z-index: -1;
  animation: visual-glow-pulse 6s ease-in-out infinite alternate;
}

@keyframes visual-glow-pulse {
  0% { transform: scale(0.9) translate(-10px, -10px); }
  100% { transform: scale(1.1) translate(10px, 10px); }
}

.creative-visual-box {
  width: 85%;
  height: 85%;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background-color: rgba(var(--primary-green-rgb), 0.02);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--box-shadow-lg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Floating social previews */
.social-card-preview {
  position: absolute;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--box-shadow-md);
  transition: all var(--transition-normal);
  cursor: default;
}

.social-card-preview:hover {
  transform: translateY(-4px) scale(1.03);
  border-color: var(--primary-green);
}

.sc-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: rgba(var(--primary-green-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.sc-text {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.sc-1 {
  top: 15%;
  left: -10%;
  animation: float-preview-1 5s ease-in-out infinite alternate;
}

.sc-2 {
  bottom: 20%;
  right: -12%;
  animation: float-preview-2 6s ease-in-out infinite alternate;
}

.sc-3 {
  top: 45%;
  left: 45%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

/* Circle Progress Graphics */
.creative-graph-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 5px solid var(--border-color);
  border-top-color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  bottom: 12%;
  left: 10%;
  animation: spin-graph 20s linear infinite;
}

.cgc-inner {
  text-align: center;
  animation: spin-graph-reverse 20s linear infinite;
}

.cgc-number {
  font-family: var(--font-secondary);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-green);
  display: block;
}

.cgc-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

@keyframes spin-graph {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spin-graph-reverse {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}

@keyframes float-preview-1 {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

@keyframes float-preview-2 {
  0% { transform: translateY(0); }
  100% { transform: translateY(15px); }
}

/* --------------------------------------------------------------------------
   8. ABOUT ME SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: flex-start;
  gap: 56px;
}

.about-narrative {
  display: flex;
  flex-direction: column;
}

.about-headline {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 20px;
  position: relative;
  padding-left: 16px;
}

.about-headline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--primary-green);
  border-radius: 2px;
}

.about-paragraph {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.about-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.meta-badge {
  background-color: var(--badge-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.badge-icon {
  font-size: 1rem;
}

.about-highlights-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-item-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-green);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

.highlight-item-card:hover {
  border-color: var(--primary-green);
  transform: translateX(6px);
  box-shadow: var(--box-shadow-md);
}

.hl-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background-color: var(--primary-green-glow);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hl-item-info h4 {
  font-family: var(--font-secondary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.hl-item-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   9. SKILLS SECTION
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.skills-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 30px 24px;
  transition: all var(--transition-normal);
}

.skills-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-green);
  box-shadow: var(--box-shadow-md);
}

.skills-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background-color: var(--primary-green-glow);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.skills-card h3 {
  font-family: var(--font-secondary);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skills-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skills-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--primary-green);
  border-radius: 50%;
  display: inline-block;
  opacity: 0.8;
}

/* Toolkit subsection */
.tools-subsection {
  margin-top: 40px;
  text-align: center;
}

.tools-subtitle {
  font-family: var(--font-secondary);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.tools-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.tool-chip {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-normal);
  cursor: default;
}

.tool-chip:hover {
  border-color: var(--primary-green);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-sm);
}

.tool-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.tool-dot.green { background-color: #00C853; }
.tool-dot.design { background-color: #FF9100; }
.tool-dot.social { background-color: #2979FF; }
.tool-dot.video { background-color: #F50057; }
.tool-dot.admin { background-color: #651FFF; }

/* --------------------------------------------------------------------------
   10. PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.project-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-normal);
}

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

.project-tag {
  display: inline-block;
  background-color: var(--badge-bg);
  color: var(--primary-green);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.project-card-title {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.project-card-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-green);
}

.project-link svg {
  transition: transform var(--transition-normal);
}

.project-link:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   11. EXPERIENCE TIMELINE
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--border-color) 0%, var(--primary-green) 50%, var(--border-color) 100%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  margin-bottom: 60px;
  display: flex;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 30px;
  width: 16px;
  height: 16px;
  background-color: var(--bg-primary);
  border: 4px solid var(--primary-green);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 10px var(--primary-green);
}

.timeline-left {
  left: 0;
  justify-content: flex-end;
  padding-right: 48px;
}

.timeline-left .timeline-dot {
  right: -8px;
}

.timeline-right {
  left: 50%;
  justify-content: flex-start;
  padding-left: 48px;
}

.timeline-right .timeline-dot {
  left: -8px;
}

.timeline-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 30px;
  width: 100%;
  max-width: 400px;
  transition: all var(--transition-normal);
}

.timeline-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-green);
  box-shadow: var(--box-shadow-md);
}

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

.timeline-date {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-green);
}

.timeline-company {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--primary-green-glow);
  padding: 4px 10px;
  border-radius: 4px;
}

.timeline-role {
  font-family: var(--font-secondary);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.timeline-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-bullets li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 14px;
}

.timeline-bullets li::before {
  content: '•';
  color: var(--primary-green);
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   12. SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.service-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px 30px;
  transition: all var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-green);
  box-shadow: var(--box-shadow-md);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-sm);
  background-color: var(--primary-green-glow);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-card h3 {
  font-family: var(--font-secondary);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Special highlight for middle card / core skill */
.service-icon-accent {
  position: relative;
  background-image: linear-gradient(135deg, var(--card-bg) 0%, rgba(var(--primary-green-rgb), 0.05) 100%);
  border-color: rgba(var(--primary-green-rgb), 0.3);
}

/* --------------------------------------------------------------------------
   13. CAREER OBJECTIVE SECTION
   -------------------------------------------------------------------------- */
.objective-wrapper {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  padding: 60px 40px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  overflow: hidden;
}

.objective-quote-mark {
  font-family: var(--font-secondary);
  font-size: 8rem;
  line-height: 1;
  color: var(--primary-green);
  opacity: 0.08;
  position: absolute;
  top: -20px;
  left: 30px;
  pointer-events: none;
}

.objective-title {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--primary-green);
}

.objective-statement {
  font-family: var(--font-secondary);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.objective-author {
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   14. CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: flex-start;
}

.contact-info-title {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-info-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background-color: var(--primary-green-glow);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-text span:nth-child(1) {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.method-text a,
.method-text span:nth-child(2) {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.method-text a:hover {
  color: var(--primary-green);
}

/* Social links styling */
.social-links-container h4 {
  font-family: var(--font-secondary);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.social-icon:hover {
  background-color: var(--primary-green);
  color: #FFFFFF;
  border-color: var(--primary-green);
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 200, 83, 0.2);
}

/* Contact Form Styling */
.contact-form-col {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--box-shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px var(--primary-green-glow);
}

.btn-submit {
  width: 100%;
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   15. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 30px 0;
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

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

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.back-to-top:hover {
  color: var(--primary-green);
}

.back-to-top svg {
  transition: transform var(--transition-normal);
}

.back-to-top:hover svg {
  transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   16. SCROLL FADE-IN ANIMATION (Intersection Observer)
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay modifiers for grids */
.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }

/* --------------------------------------------------------------------------
   17. RESPONSIVE MEDIA QUERIES (RESPONSIVENESS)
   -------------------------------------------------------------------------- */

@media (max-width: 991px) {
  html {
    font-size: 15px;
  }
  
  .section-padding {
    padding: 80px 0;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-info-grid {
    justify-content: center;
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .hero-visual-wrapper {
    max-width: 450px;
    margin: 0 auto;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-image-wrapper {
    max-width: 380px;
    margin: 0 auto;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .timeline-line {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 45px;
    padding-right: 0;
    margin-bottom: 40px;
  }

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

  .timeline-left .timeline-dot,
  .timeline-right .timeline-dot {
    left: 12px;
  }

  .timeline-right {
    left: 0;
  }
  
  .timeline-card {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  /* Hamburger menu navigation */
  .menu-toggle-btn {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 100px 30px;
    transition: right var(--transition-slow);
    z-index: 105;
    box-shadow: var(--box-shadow-lg);
  }
  
  .nav.open {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 24px;
  }
  
  .nav-link {
    font-size: 1.1rem;
  }
  
  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .about-highlights-stack {
    gap: 12px;
  }
  
  .contact-form-col {
    padding: 24px;
  }
  
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  
  .btn {
    width: 100%;
  }
}