/**
 * Portfolio Kanjanat Main.css
 */

/* CSS Variables - Main Theme */
:root {
  --background-color: #ffffff;
  --default-color: #000000;
  --heading-color: #151515;
  --accent-color: #ffc451;
  --surface-color: #ffffff;
  --contrast-color: #312f2f;
  
  /* Navigation Colors */
  --nav-color: rgba(0, 0, 0, 0.905);
  --nav-hover-color: #ffc451;
  --nav-mobile-background-color: #ffffff;
  --nav-dropdown-background-color: #ffffff;
  --nav-dropdown-color: #212529;
  --nav-dropdown-hover-color: #ffc451;
  
  /* Additional Colors */
  --border-color: #e9ecef;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --light-gray: #f8f9fa;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --info-color: #17a2b8;
  
  /* Typography */
  --font-primary: 'Kanit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: 'Prompt', Arial, sans-serif;
  
  /* Spacing */
  --section-padding: 80px 0;
  --container-padding: 0 15px;
  --border-radius: 8px;
  --border-radius-lg: 15px;
  
  /* Transitions */
  --transition-default: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--default-color);
  background-color: var(--background-color);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--heading-color);
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: #000000;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition-default);
}

a:hover {
  color: var(--heading-color);
  text-decoration: underline;
}

/* Container and Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding: var(--container-padding);
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

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

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

.preloader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

.preloader-text {
  font-size: 1.1rem;
  color: var(--heading-color);
  font-weight: 500;
}

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

/* Header and Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--background-color);
  box-shadow: 0 2px 10px var(--shadow-color);
  z-index: 1000;
  transition: var(--transition-default);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--heading-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-item a {
  color: var(--nav-color);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-default);
  position: relative;
}

.nav-item a:hover,
.nav-item a.active {
  color: var(--nav-hover-color);
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--heading-color);
  transition: var(--transition-default);
}

/* Main Content */
.main {
  margin-top: 80px;
}

/* Hero Section */
.hero {
  padding: var(--section-padding);
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--background-color) 0%, var(--light-gray) 100%);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--heading-color), var(--accent-color));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--contrast-color);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-cta {
  animation: fadeInUp 1s ease 0.4s both;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: var(--transition-default);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--contrast-color);
}

.btn-primary:hover {
  background: var(--heading-color);
  color: var(--background-color);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px var(--shadow-color);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: var(--heading-color);
  color: var(--background-color);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Portfolio Grid */
.portfolio-section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--contrast-color);
  max-width: 600px;
  margin: 0 auto;
}

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

.filter-btn {
  padding: 8px 20px;
  background: transparent;
  color: var(--heading-color);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-default);
  font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-color);
  color: var(--contrast-color);
  border-color: var(--accent-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

/* Portfolio Cards */
.portfolio-card {
  background: var(--surface-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 5px 20px var(--shadow-color);
  transition: var(--transition-default);
  position: relative;
}

.portfolio-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition-default);
}

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

.portfolio-actions {
  display: flex;
  gap: 1rem;
}

.portfolio-actions .btn {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-category {
  display: inline-block;
  background: var(--accent-color);
  color: var(--contrast-color);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.portfolio-title {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.portfolio-description {
  color: var(--contrast-color);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-tag {
  background: var(--light-gray);
  color: var(--heading-color);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.portfolio-date {
  color: var(--contrast-color);
  font-size: 0.85rem;
}

.portfolio-views {
  color: var(--contrast-color);
  font-size: 0.85rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.pagination a,
.pagination span {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  color: var(--heading-color);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition-default);
}

.pagination a:hover,
.pagination .current {
  background: var(--accent-color);
  color: var(--contrast-color);
  border-color: var(--accent-color);
}

/* Loading */
.loading {
  text-align: center;
  padding: 2rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--nav-mobile-background-color);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: var(--transition-default);
    box-shadow: 0 5px 20px var(--shadow-color);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .portfolio-filters {
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 6px 15px;
    font-size: 0.9rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 10px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-actions {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .portfolio-meta {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.hidden { display: none; }
.visible { display: block; }

.d-flex { display: flex; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Smooth scrolling for iOS */
@supports (-webkit-overflow-scrolling: touch) {
  body {
    -webkit-overflow-scrolling: touch;
  }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #fff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffc451" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffc451" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23151515" opacity="0.05"/><circle cx="20" cy="80" r="0.5" fill="%23151515" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
  pointer-events: none;
}

/* Stats Section */
.stats-section {
  background: var(--light-gray);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.stat-card {
  background: var(--surface-color);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: 0 5px 20px var(--shadow-color);
  transition: var(--transition-default);
}

.stat-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--contrast-color);
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--heading-color) 0%, var(--contrast-color) 100%);
  color: var(--background-color);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--background-color);
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.cta-section .btn {
  background: var(--accent-color);
  color: var(--contrast-color);
  border: 2px solid var(--accent-color);
}

.cta-section .btn:hover {
  background: transparent;
  color: var(--accent-color);
}

/* About Section */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.skills {
  margin-top: 3rem;
}

.skills h3 {
  margin-bottom: 1.5rem;
}

.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-tag-large {
  background: var(--accent-color);
  color: var(--contrast-color);
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-default);
}

.tech-tag-large:hover {
  background: var(--heading-color);
  transform: translateY(-2px);
}

/* Contact Section */
.contact-content {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}

.contact-info,
.social-links,
.quick-contact {
  background: var(--surface-color);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 5px 20px var(--shadow-color);
  transition: var(--transition-default);
}

.contact-info:hover,
.social-links:hover,
.quick-contact:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.contact-info h3,
.social-links h3,
.quick-contact h3 {
  margin-bottom: 1.5rem;
  color: var(--heading-color);
  text-align: center;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--light-gray);
  border-radius: var(--border-radius);
  transition: var(--transition-default);
}

.contact-item:hover {
  background: var(--accent-color);
  color: var(--contrast-color);
  transform: translateX(5px);
}

.contact-item:hover .contact-icon {
  background: var(--surface-color);
  color: var(--accent-color);
}

.contact-item:hover .contact-details a,
.contact-item:hover .contact-details span {
  color: var(--contrast-color);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--contrast-color);
  transition: var(--transition-default);
}

.contact-details h4 {
  margin: 0 0 0.25rem 0;
  font-size: 1rem;
  color: var(--heading-color);
  transition: var(--transition-default);
}

.contact-details a,
.contact-details span {
  color: var(--contrast-color);
  text-decoration: none;
  transition: var(--transition-default);
}

.contact-details a:hover {
  color: var(--accent-color);
}

/* Social Links */
.social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-default);
  border: 2px solid transparent;
}

.social-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-decoration: none;
}

.social-link.facebook {
  background: #1877f2;
  color: white;
}

.social-link.facebook:hover {
  background: #166fe5;
  color: white;
}

.social-link.instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
}

.social-link.instagram:hover {
  background: linear-gradient(45deg, #e08429 0%, #d55a32 25%, #c21e39 50%, #b31f5c 75%, #a3167e 100%);
  color: white;
}

.social-link.github {
  background: #333;
  color: white;
}

.social-link.github:hover {
  background: #24292e;
  color: white;
}

.social-link.linkedin {
  background: #0077b5;
  color: white;
}

.social-link.linkedin:hover {
  background: #006396;
  color: white;
}

.social-link.twitter {
  background: #1da1f2;
  color: white;
}

.social-link.twitter:hover {
  background: #1991db;
  color: white;
}

.social-link.youtube {
  background: #ff0000;
  color: white;
}

.social-link.youtube:hover {
  background: #e60000;
  color: white;
}

.social-link i {
  font-size: 1.2rem;
}

/* Quick Contact */
.quick-contact {
  text-align: center;
}

.quick-contact p {
  color: var(--contrast-color);
  margin-bottom: 1.5rem;
}

.quick-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quick-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-default);
  border: 2px solid;
}

.quick-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-decoration: none;
}

.quick-btn.call {
  background: var(--success-color);
  color: white;
  border-color: var(--success-color);
}

.quick-btn.call:hover {
  background: #218838;
  border-color: #218838;
  color: white;
}

.quick-btn.email {
  background: var(--info-color);
  color: white;
  border-color: var(--info-color);
}

.quick-btn.email:hover {
  background: #138496;
  border-color: #138496;
  color: white;
}

.quick-btn.line {
  background: #00c300;
  color: white;
  border-color: #00c300;
}

.quick-btn.line:hover {
  background: #00a000;
  border-color: #00a000;
  color: white;
}

/* Contact Responsive */
@media (max-width: 768px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-info,
  .social-links,
  .quick-contact {
    padding: 1.5rem;
  }
  
  .social-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-methods {
    gap: 1rem;
  }
  
  .contact-item {
    padding: 0.75rem;
  }
  
  .contact-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--heading-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-default);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(255, 196, 81, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Contact Info */
.contact-info {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-link {
  color: var(--heading-color);
  text-decoration: none;
  transition: var(--transition-default);
}

.contact-link:hover {
  color: var(--accent-color);
}

.contact-link i {
  margin-right: 0.5rem;
}

/* ========================================
   Portfolio Detail Page Styles
======================================== */

/* Portfolio Detail Hero */
.portfolio-detail-hero {
  padding: 2rem 0;
  background: var(--light-gray);
}

.portfolio-detail-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.portfolio-main-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.portfolio-main-content .portfolio-description {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.portfolio-sidebar .portfolio-meta-item {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.portfolio-sidebar .portfolio-meta-item:last-child {
  border-bottom: none;
}

.portfolio-sidebar h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--heading-color);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.portfolio-sidebar .meta-value {
  color: var(--contrast-color);
}

/* Portfolio Gallery */
.portfolio-gallery {
  margin: 3rem 0;
}

.gallery-main {
  margin-bottom: 2rem;
}

.gallery-main img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-color);
}

.gallery-thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.gallery-thumb {
  cursor: pointer;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition-default);
  opacity: 0.7;
}

.gallery-thumb:hover,
.gallery-thumb.active {
  opacity: 1;
  transform: scale(1.05);
}

.gallery-thumb img {
  width: 100%;
  height: 100px;
  object-fit: cover;
}

/* Related Portfolios */
.related-portfolios {
  background: var(--light-gray);
  padding: var(--section-padding);
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  background: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumb-item a {
  color: var(--contrast-color);
  text-decoration: none;
  transition: var(--transition-default);
}

.breadcrumb-item a:hover {
  color: var(--accent-color);
}

.breadcrumb-separator {
  color: var(--contrast-color);
}

.breadcrumb-item.active {
  color: var(--heading-color);
  font-weight: 500;
}

/* Sidebar Details */
.sidebar-details {
  font-size: 0.9rem;
  color: var(--contrast-color);
}

.sidebar-details p {
  margin-bottom: 0.5rem;
}

/* Dynamic Category Color */
.portfolio-category[data-category-color] {
  background-color: attr(data-category-color);
}

/* Footer */
.footer {
  background: var(--heading-color);
  color: var(--background-color);
  padding: 2rem 0;
  text-align: center;
}

/* Responsive for Portfolio Detail */
@media (max-width: 768px) {
  .portfolio-detail-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .portfolio-main-content h1 {
    font-size: 2rem;
  }
  
  .gallery-thumbnails {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }
  
  .gallery-thumb img {
    height: 80px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .stat-card {
    padding: 1.5rem;
  }
  
  .stat-icon {
    font-size: 2rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
}

/* Portfolio Detail Additional Styles */
.portfolio-detail {
  padding: 120px 0 80px;
}

.portfolio-header {
  margin-bottom: 3rem;
}

.portfolio-breadcrumb {
  margin-bottom: 2rem;
}

.portfolio-featured-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-color);
  margin-bottom: 2rem;
}

.portfolio-info {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.portfolio-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: -3rem;
}

.project-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--surface-color);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--heading-color);
  transition: var(--transition-default);
}

.project-link:hover {
  border-color: var(--accent-color);
  background: var(--accent-color);
  color: var(--contrast-color);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  height: 200px;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-default);
}

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

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-default);
}

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

.gallery-overlay i {
  color: white;
  font-size: 1.5rem;
}

/* Gallery Modal */
.gallery-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease, background 0.4s ease;
}

.gallery-modal.active {
  opacity: 1;
  background: rgba(0, 0, 0, 0.95);
}

.gallery-modal-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.8) translateY(50px);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-modal.active .gallery-modal-content {
  transform: scale(1) translateY(0);
}

.gallery-close {
  position: absolute;
  top: -50px;
  right: 0;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10001;
  transition: all 0.3s ease;
  opacity: 0.8;
  transform: rotate(0deg);
}

.gallery-close:hover {
  color: var(--accent-color);
  opacity: 1;
  transform: rotate(90deg) scale(1.1);
}

.gallery-nav {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10001;
}

.gallery-prev,
.gallery-next {
  background: rgba(0, 0, 0, 0.7);
  border: none;
  color: white;
  font-size: 1.5rem;
  padding: 1rem;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: auto;
  margin: 0 1rem;
  opacity: 0.8;
  transform: scale(1);
}

.gallery-prev:hover,
.gallery-next:hover {
  background: var(--accent-color);
  color: var(--contrast-color);
  opacity: 1;
  transform: scale(1.1);
}

.gallery-prev:active,
.gallery-next:active {
  transform: scale(0.95);
}

.gallery-image-container {
  max-width: 100%;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gallery-image-container img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-image-container img.loaded {
  opacity: 1;
  transform: scale(1);
}

.gallery-counter {
  position: absolute;
  bottom: -50px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1rem;
  background: rgba(0, 0, 0, 0.7);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-modal.active .gallery-counter {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

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

.related-card {
  background: var(--surface-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 5px 20px var(--shadow-color);
  transition: var(--transition-default);
  text-decoration: none;
  color: inherit;
}

.related-card:hover {
  transform: translateY(-5px);
  text-decoration: none;
  color: inherit;
}

.related-image {
  height: 200px;
  overflow: hidden;
}

.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-content {
  padding: 1.5rem;
}

.share-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.share-btn {
  padding: 0.5rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-default);
  font-size: 1rem;
}

.share-btn.facebook {
  background: #3b5998;
  color: white;
}

.share-btn.twitter {
  background: #1da1f2;
  color: white;
}

.share-btn.copy {
  background: var(--accent-color);
  color: var(--contrast-color);
}

.share-btn:hover {
  opacity: 0.8;
}

/* Portfolio Detail Media Queries */
@media (max-width: 768px) {
  .portfolio-detail {
    padding: 100px 0 60px;
  }
  
  .portfolio-info {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .portfolio-featured-image {
    height: 250px;
  }
  
  .portfolio-content h1 {
    font-size: 2rem;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Gallery Modal Responsive */
  .gallery-modal-content {
    max-width: 95%;
    max-height: 95%;
  }
  
  .gallery-close {
    top: -40px;
    font-size: 1.5rem;
  }
  
  .gallery-prev,
  .gallery-next {
    font-size: 1.2rem;
    padding: 0.8rem;
    margin: 0 0.5rem;
  }
  
  .gallery-counter {
    bottom: -40px;
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
  }
  
  .gallery-image-container {
    max-height: 70vh;
  }
}

/* Extra Small Mobile - 480px and down */
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .gallery-item {
    height: 180px;
  }
  
  .gallery-modal-content {
    max-width: 98%;
    max-height: 98%;
  }
  
  .gallery-close {
    top: -35px;
    right: -5px;
    font-size: 1.3rem;
  }
  
  .gallery-prev,
  .gallery-next {
    font-size: 1rem;
    padding: 0.6rem;
    margin: 0 0.3rem;
  }
  
  .gallery-counter {
    bottom: -35px;
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
  }
  
  .gallery-image-container {
    max-height: 65vh;
  }
}

/* Timeline Styles */
.timeline-section {
  padding: 60px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  position: relative;
}

.timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 60 60"><g fill="none" fill-rule="evenodd"><circle cx="30" cy="30" r="1" fill="%23000" opacity="0.1"/></g></svg>') repeat;
  opacity: 0.5;
  pointer-events: none;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent-color), var(--heading-color));
  transform: translateX(-50%);
  border-radius: 2px;
  box-shadow: 0 0 15px rgba(255, 196, 81, 0.2);
}

.timeline-item {
  position: relative;
  margin: 1.5rem 0;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.timeline-item.animate {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: calc(50% + 1.5rem);
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: calc(50% + 1.5rem);
  margin-right: 0;
  text-align: left;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0.8rem;
  transform: translateX(-50%);
  z-index: 2;
}

.timeline-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--accent-color), #ffb347);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--heading-color);
  font-size: 1.2rem;
  box-shadow: 0 3px 15px rgba(255, 196, 81, 0.3);
  border: 3px solid var(--background-color);
  transition: all 0.3s ease;
}

.timeline-item.current .timeline-icon {
  background: linear-gradient(135deg, var(--heading-color), var(--contrast-color));
  color: var(--background-color);
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(21, 21, 21, 0.25);
}

.timeline-content {
  background: var(--background-color);
  padding: 1.2rem;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  position: relative;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.timeline-content:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 1rem;
  width: 0;
  height: 0;
  border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -20px;
  border-left-color: var(--background-color);
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -20px;
  border-right-color: var(--background-color);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.timeline-header h3 {
  color: var(--heading-color);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
  flex: 1;
}

.timeline-date {
  background: var(--accent-color);
  color: var(--heading-color);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(255, 196, 81, 0.25);
}

.timeline-item.current .timeline-date {
  background: var(--heading-color);
  color: var(--background-color);
}

.timeline-content p {
  color: var(--contrast-color);
  line-height: 1.5;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.timeline-item:nth-child(odd) .timeline-tags {
  justify-content: flex-end;
}

.timeline-item:nth-child(even) .timeline-tags {
  justify-content: flex-start;
}

.tag {
  background: var(--light-gray);
  color: var(--contrast-color);
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.tag:hover {
  background: var(--accent-color);
  color: var(--heading-color);
  border-color: var(--accent-color);
}

.category-tag {
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  border: none !important;
}

.category-tag:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.more-tag {
  background: var(--contrast-color) !important;
  color: var(--background-color) !important;
  font-weight: 600;
}

.more-tag:hover {
  background: var(--heading-color) !important;
  color: var(--background-color) !important;
}

/* Timeline Responsive Design */
@media (max-width: 768px) {
  .timeline::before {
    left: 25px;
  }

  .timeline-marker {
    left: 25px;
    transform: none;
  }

  .timeline-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .timeline-item {
    margin: 1rem 0;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 60px;
    margin-right: 0;
    text-align: left;
    padding: 1rem;
  }

  .timeline-content::before {
    top: 0.8rem;
    left: -10px;
    right: auto;
    border: 6px solid transparent;
    border-right-color: var(--background-color);
    border-left: none;
  }

  .timeline-tags {
    justify-content: flex-start !important;
  }

  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .timeline-header h3 {
    font-size: 1rem;
  }

  .timeline-date {
    align-self: flex-start;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
  }

  .timeline-content p {
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
  }
}

@media (max-width: 480px) {
  .timeline-section {
    padding: 40px 0;
  }

  .timeline {
    padding: 1rem 0;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-marker {
    left: 20px;
  }

  .timeline-icon {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
    border: 2px solid var(--background-color);
  }

  .timeline-item {
    margin: 0.8rem 0;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 50px;
    margin-right: 0;
    padding: 0.8rem;
  }

  .timeline-content {
    border-radius: 8px;
  }

  .timeline-header h3 {
    font-size: 0.95rem;
  }

  .timeline-content p {
    font-size: 0.8rem;
    line-height: 1.4;
  }

  .tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
  }

  .timeline-date {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }
}