/* ========================================
   GOLDPAINTERS WEBSITE - MAIN STYLESHEET
   ======================================== */

:root {
  /* Primary Colors */
  --primary-dark: #0B1F3A;
  --primary-gold: #D4AF37;
  
  /* Secondary Colors */
  --secondary-charcoal: #2C2C2C;
  --secondary-light-gray: #F4F4F4;
  
  /* Base Colors */
  --white: #FFFFFF;
  --text-dark: #333333;
  --text-light: #666666;
  --border-light: #E0E0E0;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Georgia', serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.25rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.2s ease;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-dark);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: darken(--primary-gold, 10%);
}

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

/* ========================================
   NAVIGATION BAR
   ======================================== */

nav {
  background-color: var(--primary-dark);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  backdrop-filter: blur(10px);
  background-color: rgba(11, 31, 58, 0.98);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: bold;
  color: var(--primary-gold);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-links a {
  color: var(--white);
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding-bottom: 5px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-gold);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-gold) 0%, transparent 100%);
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: var(--font-size-lg);
  cursor: pointer;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  font-size: var(--font-size-sm);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background-color: var(--primary-gold);
  color: var(--primary-dark);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background-color: #ffd966;
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(212, 175, 55, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.2);
  transition: left 0.3s ease;
  z-index: 0;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary-dark {
  background-color: var(--primary-dark);
  color: var(--primary-gold);
  border-color: var(--primary-gold);
}

.btn-primary-dark:hover {
  background-color: var(--primary-gold);
  color: var(--primary-dark);
}

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

.btn-secondary:hover {
  background-color: var(--primary-gold);
  color: var(--primary-dark);
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-md);
}

/* ========================================
   CONTAINER & SECTIONS
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  font-size: var(--font-size-md);
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.8) 0%, rgba(212, 175, 55, 0.2) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%230B1F3A" width="1200" height="600"/><g opacity="0.1"><rect x="50" y="100" width="200" height="300" fill="white"/><rect x="300" y="80" width="150" height="350" fill="white"/><rect x="550" y="120" width="200" height="280" fill="white"/><rect x="850" y="100" width="180" height="320" fill="white"/></g></svg>');
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(11, 31, 58, 0.5) 0%, rgba(11, 31, 58, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  text-align: center;
  z-index: 2;
  animation: fadeInUp 1s ease-out;
  color: var(--white);
}

.hero-content h1 {
  font-size: var(--font-size-3xl);
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  letter-spacing: 2px;
}

.hero-content .tagline {
  font-size: var(--font-size-xl);
  color: var(--primary-gold);
  margin-bottom: var(--spacing-2xl);
  font-style: italic;
  font-weight: 300;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   CARDS & GRID
   ======================================== */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
  border-color: rgba(212, 175, 55, 0.3);
}

.card-header {
  background-color: var(--secondary-light-gray);
  padding: var(--spacing-lg);
  text-align: center;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-gold);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-body h3 {
  margin-bottom: var(--spacing-md);
}

.card-body p {
  margin-bottom: 0;
}

/* ========================================
   SERVICE SECTION
   ======================================== */

.service-name {
  color: var(--primary-dark);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.service-description {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--white);
  color: var(--primary-dark);
  border: 2px solid var(--primary-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--primary-gold);
  transition: left 0.3s ease;
  z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
  left: 0;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-gold);
  color: var(--primary-dark);
  border-color: var(--primary-gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(212, 175, 55, 0.2);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 300px;
  background-color: #e0e0e0;
}

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

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.15) rotate(0.5deg);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.95) 0%, rgba(11, 31, 58, 0.85) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  text-align: center;
  padding: var(--spacing-lg);
  backdrop-filter: blur(4px);
}

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

.portfolio-overlay-content {
  color: var(--white);
}

.portfolio-overlay-content .project-title {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-sm);
}

.portfolio-info {
  padding: var(--spacing-lg);
  background-color: var(--secondary-light-gray);
}

.portfolio-info h3 {
  margin-bottom: var(--spacing-sm);
}

.portfolio-category {
  display: inline-block;
  background-color: var(--primary-gold);
  color: var(--primary-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

/* ========================================
   FORM STYLES
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--primary-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
  background-color: var(--white);
  color: var(--text-dark);
  position: relative;
  z-index: 1;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1), inset 0 0 0 2px rgba(212, 175, 55, 0.05);
  background-color: rgba(212, 175, 55, 0.02);
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

/* ========================================
   TESTIMONIALS
   ======================================== */

.testimonial {
  background-color: var(--secondary-light-gray);
  padding: var(--spacing-lg);
  border-left: 4px solid var(--primary-gold);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.testimonial-text {
  margin-bottom: var(--spacing-md);
  font-style: italic;
  color: var(--text-dark);
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-dark);
}

.testimonial-rating {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   FOOTER
   ======================================== */

footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--white);
  display: block;
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary-gold);
  padding-left: var(--spacing-xs);
}

.footer-contact-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  transition: var(--transition);
  cursor: pointer;
  font-weight: bold;
  position: relative;
  overflow: hidden;
}

.social-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.social-icon:hover::before {
  width: 100px;
  height: 100px;
}

.social-icon:hover {
  background-color: var(--white);
  transform: translateY(-5px) rotate(5deg);
  box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.footer-bottom {
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  text-align: center;
  padding-top: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   UTILITY COMPONENTS
   ======================================== */

.scroll-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background-color: var(--primary-gold);
  color: var(--primary-dark);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  font-size: 1.5rem;
  z-index: 999;
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  animation: scaleInUp 0.3s ease-out;
}

.scroll-to-top:hover {
  background-color: #ffd966;
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(212, 175, 55, 0.4);
}

.whatsapp-btn {
  position: fixed;
  bottom: var(--spacing-lg);
  right: 70px;
  background-color: #25D366;
  color: var(--white);
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  z-index: 998;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
  transition: var(--transition);
  text-decoration: none;
  animation: scaleInUp 0.5s ease-out 0.2s both;
}

.whatsapp-btn:hover {
  background-color: #20BA5A;
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
  margin: var(--spacing-2xl) 0;
}

.stat {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-gold);
  font-family: var(--font-heading);
  transition: var(--transition);
  display: inline-block;
}

.stat:hover .stat-number {
  transform: scale(1.1);
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.stat-label {
  color: var(--text-light);
  margin-top: var(--spacing-sm);
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

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

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleInUp {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(212, 175, 55, 0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
  animation: slideInFromLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInFromRight 0.6s ease-out;
}

/* ========================================
   MODAL STYLES
   ======================================== */

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  animation: fadeIn 0.3s ease-out;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  color: var(--text-light);
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--primary-gold);
}

.modal-header {
  margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
  color: var(--primary-dark);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: var(--spacing-md);
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--primary-dark);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.show {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content .tagline {
    font-size: var(--font-size-lg);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .whatsapp-btn {
    right: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-content .tagline {
    font-size: var(--font-size-md);
  }

  .section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .portfolio-filter {
    gap: var(--spacing-sm);
  }

  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--spacing-md);
  }
}