/* ==========================================================================
   Brandão & Pedroza Advogados - Premium Design System
   Conforme Provimento OAB 205/2021 - Sobriedade e Elegância
   ========================================================================== */

/* Imports */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* CSS Variables */
:root {
  --color-bg-primary: #051410;
  --color-bg-secondary: #0a1f1a;
  --color-bg-tertiary: #0e2922;
  --color-bg-card: rgba(10, 31, 26, 0.7);
  
  --color-accent: #c5a059;
  --color-accent-hover: #e0bb73;
  --color-accent-light: rgba(197, 160, 89, 0.15);
  
  --color-text-primary: #f4f6f5;
  --color-text-secondary: #a1aba7;
  --color-text-muted: #6e7d77;
  
  --border-subtle: rgba(197, 160, 89, 0.2);
  --border-focus: rgba(197, 160, 89, 0.6);
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --max-width: 1200px;
  --header-height: 80px;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-accent-light);
  border-radius: 4px;
  border: 2px solid var(--color-bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Reusable Typography & Layout Utilities */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-text-primary);
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  padding-bottom: 1.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background-color: var(--color-accent);
}

p {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 0;
}

/* Grid helper */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-decoration: none;
  border-radius: 4px;
  transition: var(--transition-smooth);
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background-color: rgba(5, 20, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: 70px;
}

.nav-container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.logo .brand-main {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.5px;
  line-height: 1;
}

.logo .brand-sub {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 4px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 400;
  transition: var(--transition-fast);
  letter-spacing: 0.5px;
  position: relative;
  padding: 0.25rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: var(--transition-smooth);
}

nav a:hover {
  color: var(--color-text-primary);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-height);
  background-image: linear-gradient(to bottom, rgba(5, 20, 16, 0.7), rgba(5, 20, 16, 0.95)), url('assets/environmental_law.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-content {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero-subtitle {
  font-family: var(--font-sans);
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  animation: fadeInDown 1s ease-out;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--color-text-primary);
  max-width: 900px;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 650px;
  margin-bottom: 1.5rem;
  font-weight: 300;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* About Section */
.about {
  background-color: var(--color-bg-secondary);
}

.about-img {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.about-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-smooth);
}

.about-img:hover img {
  transform: scale(1.03);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-label {
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.about-text h3 {
  font-size: 1.8rem;
  color: var(--color-text-primary);
}

.about-text p {
  text-align: justify;
}

/* Practice Areas Section */
.practices {
  background-color: var(--color-bg-primary);
}

.practice-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  padding: 3rem 2rem;
  border-radius: 4px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.practice-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background-color: var(--color-accent);
  transition: var(--transition-smooth);
}

.practice-card:hover {
  transform: translateY(-5px);
  border-color: rgba(197, 160, 89, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  background-color: var(--color-bg-tertiary);
}

.practice-card:hover::before {
  height: 100%;
}

.practice-icon {
  font-size: 2.25rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.practice-card h3 {
  font-size: 1.4rem;
  color: var(--color-text-primary);
}

.practice-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.practice-list {
  list-style: none;
  margin-top: 0.5rem;
}

.practice-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.practice-list li::before {
  content: '•';
  position: absolute;
  left: 0.5rem;
  color: var(--color-accent);
}

/* Partners Section */
.partners {
  background-color: var(--color-bg-secondary);
}

.partner-card {
  display: flex;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.partner-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(197, 160, 89, 0.3);
}

.partner-img {
  width: 40%;
  min-width: 220px;
  overflow: hidden;
  position: relative;
}

.partner-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition-smooth);
}

.partner-card:hover .partner-img img {
  transform: scale(1.05);
}

.partner-info {
  width: 60%;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.partner-name {
  font-size: 1.8rem;
  color: var(--color-text-primary);
}

.partner-role {
  font-family: var(--font-sans);
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.partner-oab {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  display: inline-block;
  align-self: flex-start;
}

.partner-bio {
  font-size: 0.95rem;
}

/* Articles Section */
.articles {
  background-color: var(--color-bg-primary);
}

.article-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: rgba(197, 160, 89, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.article-img {
  height: 200px;
  overflow: hidden;
}

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

.article-card:hover .article-img img {
  transform: scale(1.05);
}

.article-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.article-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-title {
  font-size: 1.3rem;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.article-desc {
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-link {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  transition: var(--transition-fast);
}

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

/* Contact Section */
.contact {
  background-color: var(--color-bg-secondary);
  position: relative;
}

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

.contact-item {
  display: flex;
  gap: 1.5rem;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
  width: 45px;
  height: 45px;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-details h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.contact-details p,
.contact-details a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.contact-form-container {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 3rem;
  border-radius: 4px;
}

.contact-form-container h3 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(197, 160, 89, 0.1);
}

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

/* Toast Message */
.toast {
  position: fixed;
  bottom: 2rem;
  right: -400px;
  background-color: var(--color-bg-tertiary);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 2rem;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: right 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1100;
}

.toast.show {
  right: 2rem;
}

.toast-icon {
  color: var(--color-accent);
  font-size: 1.25rem;
}

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

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 350px;
}

.footer-links h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-accent);
}

.oab-statement {
  font-size: 0.75rem;
  line-height: 1.5;
  margin-top: 1rem;
  color: var(--color-text-muted);
  border-top: 1px dashed var(--border-subtle);
  padding-top: 0.75rem;
  max-width: 600px;
}

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

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .grid-2 {
    gap: 3rem;
  }
  .partner-card {
    flex-direction: column;
  }
  .partner-img {
    width: 100%;
    height: 300px;
  }
  .partner-info {
    width: 100%;
    padding: 2.5rem 2rem;
  }
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  /* Navigation Mobile */
  .menu-toggle {
    display: block;
  }
  
  nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-primary);
    transition: var(--transition-smooth);
    padding: 3rem 2rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  }
  
  nav.active {
    left: 0;
  }
  
  nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 2.5rem;
  }
  
  nav a {
    font-size: 1.2rem;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .contact-form-container {
    padding: 2rem 1.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}