/* ==========================================================================
   Gabriel Queiroz — Design System & Main Stylesheet
   Paleta: Petróleo (#173E43), Papel (#F4F0E8), Grafite (#242424), 
           Areia (#D8C7B3), Dourado (#A78957), Branco (#FFFFFF)
   Tipografia: Newsreader (expressiva/editorial) + Inter (neutra/estrutural)
   ========================================================================== */

/* --- Fontes Locais --- */
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/newsreader/Newsreader_60pt-Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/assets/fonts/newsreader/Newsreader_60pt-Medium.ttf') format('truetype');
}

@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/newsreader/Newsreader_60pt-Italic.ttf') format('truetype');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/inter/Inter_28pt-Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/assets/fonts/inter/Inter_28pt-Medium.ttf') format('truetype');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/fonts/inter/Inter_28pt-SemiBold.ttf') format('truetype');
}

/* --- Variáveis e Tokens --- */
:root {
  --gq-petroleo: #173E43;
  --gq-petroleo-dark: #0f2c30;
  --gq-papel: #F4F0E8;
  --gq-papel-alt: #EAE4D7;
  --gq-grafite: #242424;
  --gq-grafite-muted: #555555;
  --gq-areia: #D8C7B3;
  --gq-areia-light: #EFE7DC;
  --gq-dourado: #A78957;
  --gq-dourado-hover: #917547;
  --gq-branco: #FFFFFF;

  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-subtle: 0 4px 20px rgba(23, 62, 67, 0.06);
  --shadow-card: 0 10px 30px rgba(23, 62, 67, 0.08);

  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem; /* ~17px */
  line-height: 1.7;
  color: var(--gq-grafite);
  background-color: var(--gq-papel);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Acessibilidade / Skip Link --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--gq-petroleo);
  color: var(--gq-papel);
  padding: 0.75rem 1.5rem;
  z-index: 9999;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

/* --- Tipografia --- */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
  color: var(--gq-petroleo);
}

h1, .display-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.02em;
}

h2, .section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--gq-grafite);
}

.label {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--gq-dourado);
  display: inline-block;
}

/* --- Estrutura & Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 840px;
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background-color: var(--gq-papel-alt);
}

.section-dark {
  background-color: var(--gq-petroleo);
  color: var(--gq-papel);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--gq-papel);
}

.section-dark .label {
  color: var(--gq-areia);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

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

/* --- Componentes de Botão e Links --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--gq-dourado);
  color: var(--gq-branco);
}

.btn-primary:hover {
  background-color: var(--gq-dourado-hover);
  color: var(--gq-branco);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(167, 137, 87, 0.25);
}

.btn-petroleo {
  background-color: var(--gq-petroleo);
  color: var(--gq-papel);
}

.btn-petroleo:hover {
  background-color: var(--gq-petroleo-dark);
  color: var(--gq-papel);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--gq-petroleo);
  color: var(--gq-petroleo);
}

.btn-outline:hover {
  background-color: var(--gq-petroleo);
  color: var(--gq-papel);
}

.btn-outline-light {
  background-color: transparent;
  border-color: var(--gq-areia);
  color: var(--gq-papel);
}

.btn-outline-light:hover {
  background-color: var(--gq-areia);
  color: var(--gq-petroleo);
}

/* --- Cards Editoriais --- */
.card {
  background-color: var(--gq-branco);
  border: 1px solid var(--gq-areia);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition-smooth);
}

.card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--gq-dourado);
}

.card-dark {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: rgba(216, 199, 179, 0.2);
  color: var(--gq-papel);
}

.card-dark:hover {
  border-color: var(--gq-areia);
  background-color: rgba(255, 255, 255, 0.08);
}

/* --- Header & Navegação --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(244, 240, 232, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(216, 199, 179, 0.6);
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
}

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

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo img {
  height: 40px;
  max-width: 220px;
  width: auto;
  display: block;
}

/* --- Article Cards Padronizados --- */
.article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
  background-color: var(--gq-branco);
  border: 1px solid var(--gq-areia);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--gq-dourado);
}

.article-card-cover {
  display: block;
  aspect-ratio: 16 / 10;
  width: 100%;
  overflow: hidden;
  background-color: var(--gq-papel-alt);
  position: relative;
  flex-shrink: 0;
}

.article-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.article-card:hover .article-card-cover img {
  transform: scale(1.04);
}

.article-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gq-petroleo) 0%, var(--gq-petroleo-dark) 100%);
  color: var(--gq-papel);
}

.article-card-placeholder img {
  width: 44px;
  height: 44px;
  opacity: 0.6;
}

.article-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--gq-grafite-muted);
  margin-bottom: 0.75rem;
}

.article-card-category {
  color: var(--gq-dourado);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-card-title {
  font-size: 1.25rem;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 2.7em;
}

.article-card-title a {
  color: var(--gq-petroleo);
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-card-title a:hover {
  color: var(--gq-dourado);
}

.article-card-excerpt {
  font-size: 0.9375rem;
  color: var(--gq-grafite-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  max-height: 4.8em;
}

.article-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(216, 199, 179, 0.4);
}

.article-card-link {
  color: var(--gq-petroleo);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.2s ease, color 0.2s ease;
}

.article-card-link:hover {
  color: var(--gq-dourado);
  gap: 0.55rem;
}

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

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gq-grafite);
  text-decoration: none;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gq-petroleo);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--gq-dourado);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--gq-petroleo);
  color: var(--gq-papel);
  padding: var(--spacing-xl) 0 3rem;
  border-top: 1px solid rgba(216, 199, 179, 0.2);
}

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

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gq-areia);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(216, 199, 179, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--gq-areia);
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--gq-grafite);
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--gq-grafite);
  background-color: var(--gq-branco);
  border: 1px solid var(--gq-areia);
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--gq-petroleo);
  box-shadow: 0 0 0 3px rgba(23, 62, 67, 0.12);
}

.form-error {
  color: #b91c1c;
  font-size: 0.8125rem;
  margin-top: 0.375rem;
}

/* --- Accordion (FAQ) --- */
.accordion-item {
  border-bottom: 1px solid var(--gq-areia);
  padding: 1.5rem 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--gq-petroleo);
  text-align: left;
  cursor: pointer;
  padding: 0.5rem 0;
}

.accordion-content {
  display: none;
  padding-top: 1rem;
  color: var(--gq-grafite);
  line-height: 1.7;
}

.accordion-item.open .accordion-content {
  display: block;
}

.accordion-icon {
  transition: transform 0.25s ease;
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

/* --- Banner de Notificação Flash --- */
.flash-container {
  margin-bottom: 2rem;
}

.flash-message {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flash-success {
  background-color: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.flash-error {
  background-color: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

.footer-logo {
  width: 234px;
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Portrait Frames (Hero & Sobre) --- */
.hero-portrait-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.hero-portrait-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 28px 28px 8px 28px;
  overflow: hidden;
  border: 1px solid rgba(216, 199, 179, 0.3);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  background-color: var(--gq-petroleo-dark);
}

.hero-portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s ease;
}

.hero-portrait-wrapper:hover .hero-portrait-frame img {
  transform: scale(1.02);
}

.hero-portrait-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  right: 20px;
  background: rgba(244, 240, 232, 0.96);
  backdrop-filter: blur(10px);
  color: var(--gq-petroleo);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gq-areia);
  box-shadow: var(--shadow-card);
  z-index: 2;
}

.about-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4rem;
  align-items: start;
}

.about-sidebar {
  position: -webkit-sticky;
  position: sticky;
  top: 100px;
  align-self: start;
  z-index: 10;
}

.about-portrait-card {
  background: var(--gq-branco);
  border: 1px solid var(--gq-areia);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-card);
}

.about-portrait-frame {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--gq-papel-alt);
  margin-bottom: 1rem;
}

.about-portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

@media (max-width: 992px) {
  .hero-portrait-wrapper {
    margin-top: 1.5rem;
    max-width: 380px;
  }

  .hero-portrait-badge {
    position: static;
    margin-top: 1rem;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-sidebar {
    position: static;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }

  .about-portrait-card {
    position: static;
    max-width: 100%;
    margin: 0 auto;
  }
}

/* --- Classes de Layout Responsivo --- */
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.split-grid-unequal {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.split-grid-start {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}

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

.cta-button-group {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* --- Responsividade Global --- */
@media (max-width: 992px) {
  .hero-grid,
  .split-grid-unequal,
  .split-grid-start,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .site-header {
    padding: 1rem 0;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    background-color: var(--gq-papel);
    flex-direction: column;
    align-items: stretch;
    padding: 2rem 1.5rem 3rem;
    gap: 1.25rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    border-bottom: 1px solid var(--gq-areia);
    z-index: 9999;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 0;
    font-size: 1.125rem;
    border-bottom: 1px solid rgba(216, 199, 179, 0.3);
  }

  .nav-menu .btn {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
    padding: 0.875rem 1.5rem;
  }

  .header-inner nav {
    display: contents;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    color: var(--gq-petroleo);
    cursor: pointer;
    margin-left: auto;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .display-title {
    font-size: clamp(2rem, 8vw, 2.75rem);
    line-height: 1.2;
  }

  .section-title {
    font-size: clamp(1.6rem, 6vw, 2rem);
    line-height: 1.25;
  }

  .lead {
    font-size: 1.1rem;
    line-height: 1.6;
  }

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

  .grid {
    gap: 1.5rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 1.5rem;
  }

  .cta-button-group {
    flex-direction: column;
    width: 100%;
  }

  .cta-button-group .btn {
    width: 100%;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 2.75rem 0;
  }

  .brand-logo img {
    height: 34px;
    max-width: 180px;
  }

  .footer-logo {
    width: 190px;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}