/*
Theme Name: Maruf Portfolio 3D
Theme URI: https://mdmarufhossen71.site
Author: Md Maruf Hossen
Author URI: https://mdmarufhossen71.site
Description: A modern 3D portfolio WordPress theme for developers and digital marketers. Features stunning 3D particle effects, smooth animations, dark/light mode, and developer-focused design.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: maruf-portfolio
Tags: portfolio, 3d, developer, digital-marketer, dark-mode, responsive, modern
*/

/* ================================
   CSS VARIABLES & RESET
   ================================ */
:root {
  /* Core Colors - Deep Developer Dark */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2236;
  --bg-glass: rgba(26, 34, 54, 0.7);
  
  /* Accent Colors - Cyber Gradient */
  --accent-1: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --accent-glow: 0 0 20px rgba(99, 102, 241, 0.4);
  
  /* Text Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Border & Shadow */
  --border-color: rgba(99, 102, 241, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
  
  /* 3D Effect Variables */
  --perspective: 1000px;
  --rotate-x: 0deg;
  --rotate-y: 0deg;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Spacing */
  --nav-height: 80px;
  --section-padding: 120px;
}

/* Light Mode */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.8);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-color: rgba(99, 102, 241, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.5s ease;
}

::selection {
  background: var(--accent-1);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-2);
}

/* ================================
   3D PARTICLE CANVAS
   ================================ */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ================================
   CUSTOM CURSOR
   ================================ */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-1);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transition: transform 0.15s ease, opacity 0.15s ease;
  mix-blend-mode: difference;
}

.custom-cursor.hover {
  transform: scale(2.5);
  background: rgba(99, 102, 241, 0.2);
}

.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--accent-1);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
}

/* ================================
   NAVIGATION - ULTRA MODERN
   ================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  position: relative;
  z-index: 1001;
}

.logo-text-wrap {
  display: flex;
  align-items: center;
  gap: 2px;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.logo-dot {
  font-size: 1.5rem;
  color: var(--accent-3);
  animation: blink 1s infinite;
}

.logo-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: -4px;
}

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

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0.3rem;
  align-items: center;
}

.nav-link {
  position: relative;
  padding: 0.6rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link::before {
  content: '<';
  color: var(--accent-1);
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition-smooth);
}

.nav-link::after {
  content: '/>';
  color: var(--accent-1);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition-smooth);
}

.nav-link:hover::before,
.nav-link.active::before {
  opacity: 1;
  transform: translateX(0);
}

.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
  transform: translateX(0);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-1);
  background: rgba(99, 102, 241, 0.1);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  cursor: pointer;
  background: none;
  border: none;
}

.nav-dropdown-toggle i {
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}

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

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.5rem;
  min-width: 160px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) rotateX(-15deg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-card);
  transform-origin: top center;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) rotateX(0deg);
}

.nav-dropdown-menu .nav-link {
  padding: 0.7rem 1rem;
  border-radius: 8px;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.theme-toggle:hover {
  background: var(--accent-1);
  color: #fff;
  transform: rotate(180deg);
  box-shadow: var(--accent-glow);
}

.sun-icon,
.moon-icon {
  position: absolute;
  transition: var(--transition-smooth);
}

[data-theme="light"] .sun-icon {
  opacity: 0;
  transform: rotate(90deg);
}

[data-theme="light"] .moon-icon {
  opacity: 1;
  transform: rotate(0);
}

.moon-icon {
  opacity: 0;
  transform: rotate(-90deg);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.bar {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-smooth);
  border-radius: 2px;
}

.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================
   HERO SECTION - 3D
   ================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-1);
  margin-bottom: 1.5rem;
  animation: pulse-glow 2s infinite;
}

.hero-badge i {
  color: #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 5px rgba(99, 102, 241, 0.2); }
  50% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.4); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Hero Title */
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.typing-text {
  font-family: var(--font-mono);
  color: var(--accent-3);
  border-right: 3px solid var(--accent-3);
  animation: typing 3s steps(20) infinite, blink-caret 0.75s step-end infinite;
  white-space: nowrap;
  overflow: hidden;
  display: inline-block;
  vertical-align: bottom;
  max-width: 100%;
}

@keyframes typing {
  0%, 100% { width: 0; }
  50% { width: 100%; }
}

@keyframes blink-caret {
  50% { border-color: transparent; }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
  line-height: 1.8;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

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

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-bounce);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-1);
  border: 2px solid var(--accent-1);
}

.btn-outline:hover {
  background: var(--accent-1);
  color: #fff;
  transform: translateY(-3px);
}

/* Hero Visual - 3D Card */
.hero-visual {
  perspective: var(--perspective);
  display: flex;
  justify-content: center;
}

.hero-image-container {
  position: relative;
  width: 350px;
  height: 420px;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-glow);
  position: relative;
  z-index: 2;
}

.hero-image-container::before {
  content: '';
  position: absolute;
  inset: -10px;
  background: var(--accent-gradient);
  border-radius: 24px;
  z-index: 1;
  opacity: 0.5;
  filter: blur(20px);
}

.hero-image-container::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent-1);
  border-radius: 20px;
  z-index: 3;
  pointer-events: none;
}

/* Floating Elements */
.floating-card {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  z-index: 4;
  animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
  top: -20px;
  right: -30px;
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  bottom: 40px;
  left: -40px;
  animation-delay: 2s;
}

.floating-card:nth-child(3) {
  bottom: -20px;
  right: 20px;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

/* ================================
   SECTION STYLES
   ================================ */
.section-padding {
  padding: var(--section-padding) 0;
  position: relative;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 1rem;
  padding: 0.3rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 50px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

/* ================================
   ABOUT SECTION
   ================================ */
.about {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
  position: relative;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-intro {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: var(--transition-smooth);
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-1);
}

.skill-category h4 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-1);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.3rem 0;
  position: relative;
  padding-left: 1rem;
}

.skill-category li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-3);
  font-family: var(--font-mono);
}

/* Experience Card */
.experience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  position: sticky;
  top: 100px;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.experience-header h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.experience-duration {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-1);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
}

.experience-timeline {
  position: relative;
  padding-left: 1.5rem;
}

.experience-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-gradient);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.timeline-dot {
  position: absolute;
  left: -1.65rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--accent-1);
  border-radius: 50%;
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 3px var(--accent-1);
}

.timeline-content h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.timeline-content span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-3);
}

.timeline-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* ================================
   SERVICES SECTION
   ================================ */
.services {
  padding: var(--section-padding) 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  transition: var(--transition-smooth);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-1);
}

.service-card.featured {
  border-color: var(--accent-1);
  transform: scale(1.02);
}

.service-card.featured:hover {
  transform: scale(1.02) translateY(-10px);
}

.service-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-gradient);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-1);
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--accent-1);
  color: #fff;
  transform: rotateY(360deg);
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-card > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: bold;
}

.service-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================
   PORTFOLIO SECTION
   ================================ */
.portfolio {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-1);
  color: #fff;
  border-color: var(--accent-1);
  box-shadow: var(--accent-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.portfolio-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  aspect-ratio: 4/3;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.95) 0%, rgba(10, 14, 26, 0.5) 50%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-content h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.portfolio-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.portfolio-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.7rem;
  background: rgba(99, 102, 241, 0.3);
  color: var(--accent-1);
  border-radius: 50px;
}

/* ================================
   EXPERIENCE / SKILLS SECTION
   ================================ */
.experience {
  padding: var(--section-padding) 0;
}

.experience-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.skills-section h3,
.achievements-section h3 {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.skill-item {
  margin-bottom: 1.5rem;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.skill-header span:first-child {
  color: var(--text-primary);
}

.skill-header span:last-child {
  color: var(--accent-1);
}

.skill-bar {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 20px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-20px); }
  100% { transform: translateX(20px); }
}

/* Achievements */
.achievements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.achievement-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-1);
}

.achievement-icon {
  width: 50px;
  height: 50px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.2rem;
  color: var(--accent-1);
}

.achievement-card h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.achievement-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ================================
   TESTIMONIALS
   ================================ */
.testimonials {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.stars {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.testimonial-content > p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-1);
}

.author-info h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ================================
   ROI CALCULATOR
   ================================ */
.roi-calculator {
  padding: var(--section-padding) 0;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.calculator-panel,
.calculator-results {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
}

.calc-group {
  margin-bottom: 1.5rem;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.calc-group label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.calc-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-1);
  font-weight: 600;
}

.calc-group input[type="range"] {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
}

.calc-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent-gradient);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--accent-glow);
}

.calc-group select {
  width: 100%;
  padding: 0.8rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-primary);
  cursor: pointer;
}

.range-limits {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.result-card.highlight {
  border: 1px solid var(--accent-1);
}

.result-icon {
  width: 40px;
  height: 40px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  font-size: 1rem;
  flex-shrink: 0;
}

.result-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.result-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.plan-summary {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}

.plan-summary h4 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blueprint-list {
  list-style: none;
}

.blueprint-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.blueprint-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-1);
}

/* ================================
   CONTACT SECTION
   ================================ */
.contact {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-methods {
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.method-icon {
  width: 50px;
  height: 50px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.method-info h4 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.method-info a,
.method-info span {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.method-info a:hover {
  color: var(--accent-1);
}

/* Social Links */
.social-links {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.social-links a {
  width: 42px;
  height: 42px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.social-links a:hover {
  background: var(--accent-1);
  color: #fff;
  border-color: var(--accent-1);
  transform: translateY(-3px);
  box-shadow: var(--accent-glow);
}

.custom-icon {
  width: 18px;
  height: 18px;
}

/* Contact Form */
.contact-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
}

.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.6rem;
  left: 0.8rem;
  font-size: 0.75rem;
  color: var(--accent-1);
  background: var(--bg-card);
  padding: 0 0.4rem;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

/* ================================
   FOOTER
   ================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-top: 1rem;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
}

.footer-logo .logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo .logo-dot {
  color: var(--accent-3);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
  font-family: var(--font-mono);
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.6rem;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: var(--accent-1);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.footer-bottom i {
  color: #ef4444;
}

/* ================================
   WHATSAPP FLOAT
   ================================ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.8rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition-smooth);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 22px;
  height: 22px;
  background: #ef4444;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  border: 1px solid var(--border-color);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* ================================
   SCROLL ANIMATIONS
   ================================ */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ================================
   LIGHTBOX
   ================================ */
.portfolio-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.portfolio-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(10px);
}

.lightbox-container {
  position: relative;
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  z-index: 1;
  transform: scale(0.9);
  transition: transform 0.4s ease;
}

.portfolio-lightbox.active .lightbox-container {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  background: var(--accent-1);
  color: #fff;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1024px) {
  .hero-container,
  .about-content,
  .experience-content,
  .calculator-grid,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-image-container {
    width: 280px;
    height: 340px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
    --section-padding: 80px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right 0.4s ease;
    border-left: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 1rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-stats {
    gap: 1rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .skills-grid,
  .achievements-grid,
  .results-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .floating-card {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-image-container {
    width: 240px;
    height: 290px;
  }
}

/* ================================
   ADMIN BAR FIX
   ================================ */
body.admin-bar .site-header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar .site-header {
    top: 46px;
  }
}

/* ================================
   WORDPRESS DEFAULTS
   ================================ */
.wp-caption {
  max-width: 100%;
}

.wp-caption-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.alignleft {
  float: left;
  margin-right: 1rem;
}

.alignright {
  float: right;
  margin-left: 1rem;
}

.aligncenter {
  display: block;
  margin: 0 auto;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ================================
   PRELOADER
   ================================ */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-text {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-1);
  margin-bottom: 2rem;
}

.preloader-bar {
  width: 200px;
  height: 3px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.preloader-progress {
  width: 0%;
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  animation: loadProgress 2s ease forwards;
}

@keyframes loadProgress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}