/* ============================================
   PPG-EEB PUCRS - Discentes & Docentes
   Sistema de Design
   ============================================ */

:root {
  /* Paleta verde mata + tons terrosos */
  --color-primary: #2d5a3d;          /* Verde mata */
  --color-primary-dark: #1a3a26;     /* Verde profundo */
  --color-primary-light: #4a8060;    /* Verde folha */
  --color-accent: #d4a574;           /* Bege terra */
  --color-accent-dark: #a67c52;      /* Marrom terra */
  --color-leaf: #7fb069;              /* Verde claro */
  --color-water: #5b9aa0;             /* Azul água */

  --color-bg: #faf8f3;                /* Fundo creme */
  --color-bg-alt: #f0ebe0;            /* Fundo creme escuro */
  --color-surface: #ffffff;
  --color-text: #1a2820;
  --color-text-muted: #5a6b5e;
  --color-border: #e0d9c7;

  --shadow-sm: 0 1px 3px rgba(26, 58, 38, 0.08);
  --shadow-md: 0 4px 12px rgba(26, 58, 38, 0.10);
  --shadow-lg: 0 12px 32px rgba(26, 58, 38, 0.15);
  --shadow-xl: 0 24px 60px rgba(26, 58, 38, 0.20);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Fraunces', 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --container: 1280px;
  --header-height: 80px;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  font-weight: 500;
  margin-bottom: 12px;
  padding: 6px 14px;
  background: rgba(127, 176, 105, 0.15);
  border-radius: 100px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 640px;
  margin-bottom: 48px;
}

.section-header {
  margin-bottom: 56px;
}

/* ============================================
   HEADER / NAVEGAÇÃO
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(250, 248, 243, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(250, 248, 243, 0.95);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-family: var(--font-display);
}

.logo-mark {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-leaf) 100%);
  border-radius: 12px;
  color: white;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 26px;
  height: 26px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-size: 1.125rem;
  font-weight: 700;
}

.logo-text span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 10px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 100px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: rgba(45, 90, 61, 0.08);
  color: var(--color-primary-dark);
}

.nav-link.active {
  background: var(--color-primary-dark);
  color: white;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-left: 8px;
  transition: all var(--transition-fast);
}

.lang-switch:hover {
  border-color: var(--color-primary);
  background: rgba(45, 90, 61, 0.04);
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  transition: background var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(45, 90, 61, 0.08);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  position: relative;
  transition: all var(--transition-base);
}

.mobile-toggle span::before,
.mobile-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  transition: all var(--transition-base);
}

.mobile-toggle span::before { top: -7px; }
.mobile-toggle span::after { top: 7px; }

.mobile-toggle.active span {
  background: transparent;
}

.mobile-toggle.active span::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-toggle.active span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top right, rgba(127, 176, 105, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(212, 165, 116, 0.12) 0%, transparent 50%),
    var(--color-bg);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  animation: fadeUp 0.8s var(--transition-slow) backwards;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(45, 90, 61, 0.08);
  border: 1px solid rgba(45, 90, 61, 0.15);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-leaf);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(127, 176, 105, 0.2);
  animation: pulse 2s infinite;
}

.hero-title {
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-leaf) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 560px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeUp 0.8s var(--transition-slow) 0.2s backwards;
}

.hero-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-leaf) 50%, var(--color-accent) 100%);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.hero-card-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.hero-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(127, 176, 105, 0.15);
  border-radius: 10px;
  color: var(--color-primary);
}

.research-lines {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.research-line {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.research-line:hover {
  transform: translateX(4px);
  background: rgba(127, 176, 105, 0.08);
}

.research-line-mark {
  width: 4px;
  align-self: stretch;
  border-radius: 100px;
}

.research-line:nth-child(1) .research-line-mark { background: var(--color-primary); }
.research-line:nth-child(2) .research-line-mark { background: var(--color-leaf); }
.research-line:nth-child(3) .research-line-mark { background: var(--color-accent); }

.research-line-content {
  flex: 1;
}

.research-line-name {
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.research-line-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.research-line-arrow {
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.research-line:hover .research-line-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* Decorative botanical SVG elements */
.botanical-decoration {
  position: absolute;
  pointer-events: none;
  opacity: 0.5;
}

.botanical-decoration.top-right {
  top: -40px;
  right: -40px;
  width: 200px;
  color: var(--color-leaf);
  animation: float 6s ease-in-out infinite;
}

.botanical-decoration.bottom-left {
  bottom: -60px;
  left: -60px;
  width: 240px;
  color: var(--color-accent);
  animation: float 8s ease-in-out infinite reverse;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(45, 90, 61, 0.08);
  color: var(--color-primary-dark);
}

.btn-ghost:hover {
  background: rgba(45, 90, 61, 0.15);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.btn-arrow svg {
  transition: transform var(--transition-fast);
}

.btn-arrow:hover svg {
  transform: translateX(4px);
}

/* ============================================
   CARDS GRID (D&D, Cursos, Serviços)
   ============================================ */
.cards-section {
  position: relative;
}

.cards-section.alt {
  background: var(--color-bg-alt);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-leaf) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card:hover::after {
  transform: scaleX(1);
}

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(127, 176, 105, 0.15) 0%, rgba(45, 90, 61, 0.08) 100%);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(-3deg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-leaf) 100%);
  color: white;
}

.card-title {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.card-description {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 24px;
  flex: 1;
  line-height: 1.6;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 0;
  margin-bottom: 20px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.card-meta-row {
  display: flex;
  justify-content: space-between;
}

.card-meta-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

.card-meta-value {
  color: var(--color-primary-dark);
  font-weight: 600;
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ============================================
   SEARCH & FILTERS (Página Discentes)
   ============================================ */
.page-header {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 40px;
  background: linear-gradient(180deg, rgba(127, 176, 105, 0.1) 0%, transparent 100%);
}

.page-header h1 {
  margin-bottom: 12px;
}

.page-header .lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 720px;
}

.search-bar {
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  background: rgba(250, 248, 243, 0.95);
  backdrop-filter: blur(12px);
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.search-bar-inner {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input-wrapper {
  flex: 1;
  min-width: 280px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition-fast);
  color: var(--color-text);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(45, 90, 61, 0.1);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.filter-select {
  padding: 14px 40px 14px 20px;
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6b5e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
}

.filter-select:hover {
  border-color: var(--color-primary);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(45, 90, 61, 0.1);
}

.results-count {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(127, 176, 105, 0.12);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--color-primary-dark);
  font-weight: 500;
  font-family: var(--font-mono);
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--color-bg-alt);
  border-radius: 100px;
  margin-bottom: 32px;
  width: fit-content;
}

.tab {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab:hover {
  color: var(--color-primary-dark);
}

.tab.active {
  background: var(--color-primary-dark);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* People grid */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.person-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.person-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-leaf);
}

.person-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-leaf) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.person-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
  line-height: 1.3;
}

.person-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.person-info {
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.5;
}

.person-info strong {
  color: var(--color-text-muted);
  font-weight: 500;
}

.person-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 12px;
}

.person-tag.mestrado {
  background: rgba(127, 176, 105, 0.18);
  color: var(--color-primary-dark);
}

.person-tag.doutorado {
  background: rgba(91, 154, 160, 0.18);
  color: #2d5a60;
}

.person-tag.alumni {
  background: rgba(212, 165, 116, 0.25);
  color: var(--color-accent-dark);
}

.person-tag.docente {
  background: rgba(45, 90, 61, 0.15);
  color: var(--color-primary-dark);
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-muted);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  opacity: 0.4;
}

.empty-state h3 {
  margin-bottom: 8px;
  color: var(--color-text);
}

/* ============================================
   RESEARCH LINES - Página Linhas
   ============================================ */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.research-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.research-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.research-card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-leaf) 100%);
  position: relative;
  overflow: hidden;
}

.research-card:nth-child(2) .research-card-image {
  background: linear-gradient(135deg, var(--color-leaf) 0%, var(--color-water) 100%);
}

.research-card:nth-child(3) .research-card-image {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
}

.research-card-image svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.research-card-body {
  padding: 32px;
}

.research-card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.research-card-title {
  margin-bottom: 16px;
}

.research-card-desc {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.research-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.research-topic {
  padding: 5px 12px;
  background: rgba(127, 176, 105, 0.12);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--color-primary-dark);
  font-weight: 500;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top left, rgba(127, 176, 105, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(212, 165, 116, 0.18) 0%, transparent 50%),
    var(--color-primary-dark);
  color: white;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.04) 0%, transparent 8%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.04) 0%, transparent 8%),
    radial-gradient(circle at 60% 20%, rgba(255,255,255,0.03) 0%, transparent 6%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta h2 {
  color: white;
  margin-bottom: 16px;
}

.cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

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

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer .logo {
  color: white;
  margin-bottom: 16px;
}

.footer .logo-text span {
  color: rgba(255, 255, 255, 0.6);
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-col h4 {
  color: white;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   COOKIES BANNER
   ============================================ */
.cookies-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 480px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  z-index: 999;
  transform: translateY(120%);
  transition: transform var(--transition-slow);
}

.cookies-banner.show {
  transform: translateY(0);
}

.cookies-banner h4 {
  font-family: var(--font-display);
  margin-bottom: 8px;
  font-size: 1.125rem;
  color: var(--color-primary-dark);
}

.cookies-banner p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.cookies-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.cookies-actions .btn-arrow {
  font-size: 0.8125rem;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 40, 32, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 1100;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  padding: 40px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-base);
  position: relative;
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg);
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-alt);
}

.modal h3 {
  margin-bottom: 16px;
  padding-right: 40px;
}

.modal p {
  color: var(--color-text-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

/* ============================================
   ANIMAÇÕES
   ============================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .nav-list,
  .lang-switch {
    display: none;
  }

  .nav.mobile-open .nav-list,
  .nav.mobile-open .lang-switch {
    display: flex;
  }

  .nav.mobile-open {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 32px 24px;
    gap: 0;
    align-items: stretch;
    border-top: 1px solid var(--color-border);
  }

  .nav.mobile-open .nav-list {
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
  }

  .nav.mobile-open .nav-link {
    padding: 16px 20px;
    font-size: 1rem;
    border-radius: 12px;
  }

  .nav.mobile-open .lang-switch {
    align-self: flex-start;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cookies-banner {
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 20px;
  }

  .modal {
    padding: 28px 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .logo-text strong {
    font-size: 1rem;
  }

  .logo-text span {
    display: none;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 100px;
  border: 3px solid var(--color-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* ============================================
   QUALIS PAGE
   ============================================ */
.qualis-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  padding: 100px 0 60px;
}

.qualis-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  margin-bottom: 16px;
}

.qualis-hero p {
  font-size: 1.125rem;
  opacity: 0.85;
  max-width: 720px;
}

.qualis-toolbar {
  position: sticky;
  top: var(--header-height);
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  backdrop-filter: blur(8px);
  background: rgba(247, 243, 236, 0.92);
}

.qualis-toolbar-inner {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.qualis-search {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  transition: var(--transition-fast);
}

.qualis-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.qualis-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  color: var(--color-text);
}

.qualis-filter {
  padding: 10px 14px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-fast);
}

.qualis-filter:hover { border-color: var(--color-primary-light); }

.qualis-section { padding: 60px 0; }

.qualis-table-wrap {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.qualis-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.qualis-table thead {
  background: var(--color-primary);
  color: white;
}

.qualis-table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.qualis-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-bg-alt);
  color: var(--color-text);
}

.qualis-table tbody tr {
  transition: background 0.15s ease;
}

.qualis-table tbody tr:hover {
  background: var(--color-bg);
}

.qualis-table tbody tr:last-child td { border-bottom: none; }

.qualis-strate {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.qualis-strate.a1 { background: #1a3a26; color: white; }
.qualis-strate.a2 { background: #2d5a3d; color: white; }
.qualis-strate.a3 { background: #4a8060; color: white; }
.qualis-strate.a4 { background: #7fb069; color: var(--color-primary-dark); }
.qualis-strate.b1 { background: #d4a574; color: var(--color-primary-dark); }
.qualis-strate.b2 { background: #c69862; color: var(--color-primary-dark); }
.qualis-strate.b3 { background: #a67c52; color: white; }
.qualis-strate.b4 { background: #8a6440; color: white; }
.qualis-strate.c { background: #999; color: white; }

.qualis-ranking {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.qualis-rank-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.qualis-rank-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.qualis-rank-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--color-primary);
}

.qualis-rank-card .area-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}

.qualis-rank-card .area-count {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.qualis-strate-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.qualis-strate-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.qualis-strate-pill .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  transition: var(--transition-base);
}

.admin-fab:hover {
  transform: scale(1.08);
  background: var(--color-primary-dark);
}

.admin-fab svg {
  width: 24px; height: 24px;
}

.admin-panel {
  position: fixed;
  top: 0;
  right: -480px;
  width: min(480px, 100vw);
  height: 100vh;
  background: var(--color-bg);
  box-shadow: var(--shadow-xl);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-panel.open { right: 0; }

.admin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 36, 64, 0.4);
  opacity: 0;
  pointer-events: none;
  z-index: 190;
  transition: opacity 0.3s ease;
}

.admin-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.admin-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-surface);
}

.admin-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.admin-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.admin-close:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.admin-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.admin-tab {
  flex: 1;
  padding: 14px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
  position: relative;
  transition: var(--transition-fast);
}

.admin-tab.active {
  color: var(--color-primary);
  background: var(--color-bg);
}

.admin-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-primary);
}

.admin-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.admin-item {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-fast);
}

.admin-item:hover {
  border-color: var(--color-primary-light);
}

.admin-item-info {
  flex: 1;
  min-width: 0;
}

.admin-item-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-item-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.admin-item-actions {
  display: flex;
  gap: 4px;
}

.admin-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.admin-icon-btn:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.admin-icon-btn.danger:hover {
  color: #c0392b;
  background: #fceae8;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-field input,
.admin-field select,
.admin-field textarea {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: white;
  color: var(--color-text);
  transition: var(--transition-fast);
}

.admin-field input:focus,
.admin-field select:focus,
.admin-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.admin-field textarea { resize: vertical; min-height: 80px; }

.admin-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.admin-btn {
  padding: 11px 18px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

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

.admin-btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.admin-btn-ghost:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.admin-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.admin-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-primary-dark);
  color: white;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  font-size: 0.9rem;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.admin-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 600px) {
  .admin-panel { width: 100vw; right: -100vw; }
  .admin-fab { bottom: 16px; right: 16px; }
}