/* =======================================================
   DESIGN TOKENS & VARIABLES
   ======================================================= */
:root {
  /* Colors */
  --color-primary: #1A3626;      /* Dark Forest Green */
  --color-primary-light: #2A563D;
  --color-secondary: #8DA393;    /* Sage Green */
  --color-accent: #D4AF37;       /* Soft Gold / Champagne */
  
  --color-bg: #FAF8F5;           /* Warm Off-White */
  --color-surface: #FFFFFF;      /* Pure White for cards */
  --color-text: #333333;         /* Dark Gray for text */
  --color-text-light: #666666;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes */
  --fs-h1: clamp(2.5rem, 5vw, 4.5rem);
  --fs-h2: clamp(2rem, 4vw, 3rem);
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Shadows */
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 20px 40px rgba(26, 54, 38, 0.12);
  
  /* Layout */
  --container-width: 1140px;
  --section-padding: 6rem 0;
}

/* =======================================================
   BASE RESET
   ======================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* =======================================================
   REUSABLE CLASSES
   ======================================================= */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.grid {
  display: grid;
  gap: 2rem;
}

.section {
  padding: var(--section-padding);
}

.section-subtitle {
  display: block;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: var(--fs-h2);
  margin-bottom: 2rem;
}

.center {
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  font-size: var(--fs-body);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.btn-sm {
  padding: 0.75rem 1.5rem;
  font-size: var(--fs-small);
}

.btn-block {
  width: 100%;
}

/* =======================================================
   HEADER & NAVBAR
   ======================================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-normal);
  padding: 1.5rem 0;
  background: transparent;
}

.header.scroll-header {
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-surface);
  transition: var(--transition-fast);
}

.scroll-header .logo {
  color: var(--color-primary);
}

.logo-icon {
  color: var(--color-accent);
}

.nav-list {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-surface);
  transition: var(--transition-fast);
  position: relative;
}

.scroll-header .nav-link {
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  bottom: -4px;
  left: 0;
  transition: var(--transition-fast);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.scroll-header .btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}

.nav-toggle, .nav-close {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-surface);
}

.scroll-header .nav-toggle {
  color: var(--color-text);
}

/* =======================================================
   HERO SECTION
   ======================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(26, 54, 38, 0.9) 0%, rgba(26, 54, 38, 0.4) 100%);
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-data {
  max-width: 600px;
  color: var(--color-surface);
}

.hero-subtitle {
  display: inline-block;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

.hero-title {
  color: var(--color-surface);
  margin-bottom: 1.5rem;
}

.hero-title i {
  font-style: italic;
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* =======================================================
   SOBRE (ABOUT) SECTION
   ======================================================= */
.sobre-container {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.sobre-img-wrapper {
  position: relative;
  border-radius: 20px;
}

.img-decoration {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-secondary);
  border-radius: 20px;
  z-index: -1;
}

.sobre-img {
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.sobre-description {
  margin-bottom: 1.5rem;
  color: var(--color-text-light);
}

.sobre-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0,0,0,0.1);
}

.stat-number {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.stat-text {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.2;
}

/* =======================================================
   SERVIÇOS SECTION
   ======================================================= */
.servicos-container {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 3rem;
}

.servico-card {
  background: var(--color-surface);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border: 1px solid rgba(0,0,0,0.03);
}

.servico-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
}

.servico-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(141, 163, 147, 0.15); /* Secondary with opacity */
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.servico-card:hover .servico-icon {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.servico-title {
  margin-bottom: 1rem;
}

.servico-description {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* =======================================================
   CONTATO SECTION
   ======================================================= */
.contato {
  background-color: #F0EFEA;
}

.contato-container {
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contato-description {
  margin-bottom: 2.5rem;
  color: var(--color-text-light);
}

.contato-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.info-item i {
  font-size: 2rem;
  color: var(--color-primary);
}

.info-title {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
}

.info-text {
  color: var(--color-text-light);
}

/* Form */
.contato-form {
  background: var(--color-surface);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--color-bg);
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-surface);
}

/* =======================================================
   FOOTER
   ======================================================= */
.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 4rem;
}

.footer-container {
  grid-template-columns: 2fr 1fr;
  margin-bottom: 3rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-surface);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-description {
  max-width: 300px;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.social-link:hover {
  color: var(--color-surface);
}

.footer-title {
  color: var(--color-surface);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

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

.footer-link {
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-surface);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--fs-small);
}

/* =======================================================
   ANIMATIONS
   ======================================================= */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* =======================================================
   MEDIA QUERIES
   ======================================================= */
@media screen and (max-width: 992px) {
  .sobre-container,
  .contato-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .img-decoration {
    display: none;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --fs-h1: 2.5rem;
    --fs-h2: 2rem;
    --section-padding: 4rem 0;
  }
  
  .nav-toggle, .nav-close {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-surface);
    padding: 6rem 2rem;
    box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    transition: var(--transition-normal);
  }
  
  .nav.show-menu {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 2rem;
  }
  
  .nav-link {
    color: var(--color-text);
    font-size: 1.125rem;
  }
  
  .nav-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: var(--color-text);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn-outline {
    background-color: rgba(255,255,255,0.1);
  }
}