/* ============================================
   TROLHA PORTO - STYLES.CSS
   Website Profissional para Construção Civil
   ============================================ */

/* ============================================
   CSS RESET & VARIABLES
   ============================================ */

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

:root {
  /* Cores */
  --primary-color: #2C5F2D;
  --secondary-color: #FF6B35;
  --neutral-color: #F8F9FA;
  --text-color: #212529;
  --white-color: #FFFFFF;
  --dark-color: #343A40;
  
  /* Gradients */
  --primary-gradient: linear-gradient(135deg, #2C5F2D 0%, #357a38 100%);
  --hero-overlay: linear-gradient(135deg, rgba(44, 95, 45, 0.8) 0%, rgba(53, 122, 56, 0.6) 100%);
  
  /* Tipografia */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 50px;
  
  /* Transitions */
  --transition-smooth: all 0.3s ease;
  --transition-fast: all 0.2s ease;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white-color);
  overflow-x: hidden;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.5rem;
}

/* Links */
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

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

/* Lists */
ul {
  list-style: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  gap: var(--spacing-xs);
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white-color);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--white-color);
}

.btn-secondary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
  background: #e55a2b;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

.btn-xl {
  padding: var(--spacing-lg) var(--spacing-xxl);
  font-size: 1.25rem;
  font-weight: 700;
}

/* ============================================
   SECTION STYLES
   ============================================ */

.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.section-title.white {
  color: var(--white-color);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: #6c757d;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle.white {
  color: rgba(255, 255, 255, 0.9);
}

.cta-center {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* ============================================
   HEADER
   ============================================ */

.header-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white-color);
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: var(--spacing-sm) 0;
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin: 0;
}

.header-btn {
  background: var(--primary-color);
  color: var(--white-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: var(--transition-smooth);
}

.header-btn:hover {
  background: #1e4220;
  transform: scale(1.05);
}

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

#hero {
  min-height: 100vh;
  background: 
    linear-gradient(135deg, rgba(44, 95, 45, 0.8) 0%, rgba(53, 122, 56, 0.7) 50%, rgba(44, 95, 45, 0.8) 100%),
    url('../images/hero_background.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-color: #2C5F2D;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white-color);
  position: relative;
  padding: var(--spacing-xl) 0;
}

.hero-content {
  max-width: 800px;
  padding: 0 var(--spacing-sm);
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.hero-experience {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

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

.badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  color: var(--white-color);
  font-weight: 600;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

#servicos {
  padding: var(--spacing-xxl) 0;
  background: var(--neutral-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.service-card {
  background: var(--white-color);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-smooth);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.service-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.service-card ul {
  text-align: left;
}

.service-card li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  padding-left: var(--spacing-md);
}

.service-card li:before {
  content: "✓";
  color: var(--primary-color);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.service-card li:last-child {
  border-bottom: none;
}

/* ============================================
   ADVANTAGES SECTION
   ============================================ */

#vantagens {
  padding: var(--spacing-xxl) 0;
  background: var(--primary-gradient);
  color: var(--white-color);
}

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

.advantage-item {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-smooth);
}

.advantage-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
}

.advantage-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.advantage-item h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.advantage-item p {
  opacity: 0.9;
  line-height: 1.5;
}

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

#portfolio {
  padding: var(--spacing-xxl) 0;
  background: var(--white-color);
}

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

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: var(--radius-xl);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-color);
  color: var(--white-color);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.gallery-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--white-color);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.badge-before,
.badge-after {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-before {
  background: #dc3545;
  color: var(--white-color);
}

.badge-after {
  background: var(--primary-color);
  color: var(--white-color);
}

.gallery-overlay h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

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

.social-cta p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

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

.social-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: var(--transition-smooth);
}

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

.social-btn.facebook {
  background: #1877f2;
  color: var(--white-color);
}

.social-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================
   ZONES SECTION
   ============================================ */

#zonas {
  padding: var(--spacing-xxl) 0;
  background: var(--neutral-color);
}

.zones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.zone-item {
  background: var(--white-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  border-left: 4px solid var(--primary-color);
  transition: var(--transition-smooth);
}

.zone-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.zone-note {
  text-align: center;
  font-style: italic;
  color: #6c757d;
  font-size: 0.9rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

#contacto {
  padding: var(--spacing-xxl) 0;
  background: var(--dark-color);
  color: var(--white-color);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.contact-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.contact-item h3 {
  margin-bottom: var(--spacing-sm);
}

.contact-link {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 1.125rem;
}

.contact-link:hover {
  color: #ff8c5a;
}

.final-ctas {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

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

.social-links p {
  margin-bottom: var(--spacing-sm);
}

.social-icon {
  display: inline-block;
  margin: 0 var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.social-icon:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

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

.floating-buttons {
  position: fixed;
  z-index: 999;
}

.floating-btn {
  position: fixed;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-smooth);
  animation: pulse 2s infinite;
}

.phone-btn {
  bottom: 20px;
  left: 20px;
  background: var(--primary-color);
  color: var(--white-color);
}

.whatsapp-btn {
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: var(--white-color);
}

.floating-btn:hover {
  transform: scale(1.1);
  animation: none;
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
}

.lightbox-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: var(--white-color);
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--secondary-color);
}

.lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white-color);
  text-align: center;
  background: rgba(0, 0, 0, 0.7);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
}

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

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(44, 95, 45, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(44, 95, 45, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(44, 95, 45, 0);
  }
}

.fade-item {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

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

/* ============================================
   UTILITIES
   ============================================ */

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

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

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

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

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

/* Mobile Pequeno (320px+) */
@media (min-width: 320px) {
  .hero-content h1 {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* Mobile Grande (375px+) */
@media (min-width: 375px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
}

/* Mobile XL (425px+) */
@media (min-width: 425px) {
  .hero-ctas {
    flex-direction: row;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .floating-btn {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
}

/* Tablet (768px+) */
@media (min-width: 768px) {
  html {
    font-size: 18px;
  }
  
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .zones-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .floating-btn {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop Pequeno (1024px+) */
@media (min-width: 1024px) {
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .zones-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  #hero {
    background-attachment: fixed;
  }
}

/* Desktop Grande (1440px+) */
@media (min-width: 1440px) {
  .container {
    max-width: 1400px;
  }
  
  .hero-content h1 {
    font-size: 3.5rem;
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop XL (1920px+) */
@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
  }
  
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   ACCESSIBILITY & FOCUS STATES
   ============================================ */

.btn:focus,
.filter-btn:focus,
.header-btn:focus,
.floating-btn:focus {
  outline: 3px solid var(--secondary-color);
  outline-offset: 2px;
}

.gallery-item:focus {
  outline: 3px solid var(--secondary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .service-card {
    border: 2px solid var(--text-color);
  }
  
  .advantage-item {
    border: 2px solid var(--white-color);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  #hero {
    background-attachment: scroll;
  }
}

/* Print styles */
@media print {
  .header-fixed,
  .floating-buttons,
  .lightbox {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .btn {
    background: none !important;
    color: var(--text-color) !important;
    border: 1pt solid var(--text-color);
  }
}