/* ============================================================
   TUDOPDF — Global Stylesheet
   Versão: 1.0
============================================================ */

/* ── VARIÁVEIS ── */
:root {
  --blue: #007BFF;
  --blue-dark: #0056b3;
  --blue-deeper: #003d80;
  --blue-light: #e8f2ff;
  --white: #ffffff;
  --gray-1: #f4f7fd;
  --gray-2: #e2e8f0;
  --gray-3: #94a3b8;
  --text: #1a2540;
  --text-muted: #64748b;
  --card-bg: #ffffff;
  --header-bg: rgba(255,255,255,0.92);
  --footer-bg: #0a1628;
  --shadow-sm: 0 2px 8px rgba(0,123,255,0.10);
  --shadow-md: 0 8px 32px rgba(0,123,255,0.15);
  --shadow-lg: 0 20px 60px rgba(0,123,255,0.20);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="dark"] {
  --blue-light: #0d1f3c;
  --gray-1: #111827;
  --gray-2: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --card-bg: #1e293b;
  --header-bg: rgba(10,22,40,0.95);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Open Sans', sans-serif;
  background: var(--gray-1);
  color: var(--text);
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ============================================================
   HEADER
============================================================ */
#header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-2);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Logo */
.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--blue);
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo span { color: var(--text); }
.logo-icon {
  width: 36px; height: 36px;
  background: var(--blue);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1.1rem;
}

/* Nav */
nav { display: flex; align-items: center; gap: 4px; flex: 1; }

.nav-item { position: relative; }

.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover,
.nav-item:hover > .nav-link { color: var(--blue); background: var(--blue-light); }
.nav-link .arrow { font-size: 0.65rem; transition: transform var(--transition); }
.nav-item:hover > .nav-link .arrow { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--card-bg);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  min-width: 580px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.nav-item:hover .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.dropdown-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.dropdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue);
  padding: 6px 10px 4px;
}
.dropdown-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
}
.dropdown-item:hover { background: var(--blue-light); color: var(--blue); }
.dropdown-item .di { font-size: 1rem; width: 20px; text-align: center; }

/* Header right */
.header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.theme-toggle {
  width: 38px; height: 38px;
  border: 1.5px solid var(--gray-2);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text);
}
.theme-toggle:hover { border-color: var(--blue); background: var(--blue-light); }

.btn-header {
  padding: 9px 20px;
  background: var(--blue);
  color: white;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(0,123,255,0.3);
}
.btn-header:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,123,255,0.4); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; margin-left: auto; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
#mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--card-bg);
  z-index: 999;
  padding: 84px 24px 24px;
  overflow-y: auto;
  flex-direction: column;
  gap: 6px;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
#mobile-nav.open { display: flex; }

.mobile-nav-section {
  padding: 12px 0 4px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue);
}
.mobile-nav-item {
  padding: 13px 16px;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  transition: background var(--transition);
  display: flex; justify-content: space-between; align-items: center;
}
.mobile-nav-item:hover { background: var(--blue-light); color: var(--blue); }

/* ============================================================
   FOOTER
============================================================ */
#footer {
  background: var(--footer-bg);
  color: rgba(255,255,255,0.7);
  padding: 64px 24px 24px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: white; margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 240px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
}
.social-btn:hover { background: var(--blue); transform: translateY(-3px); }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: white;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 0.83rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-watermark { font-size: 0.72rem; color: rgba(255,255,255,0.2); letter-spacing: 2px; text-transform: uppercase; }

/* ============================================================
   UTILS
============================================================ */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--blue-deeper); color: white;
  padding: 13px 28px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600; font-size: 0.88rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  z-index: 9999;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
  opacity: 0; pointer-events: none; white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

#back-top {
  position: fixed; bottom: 80px; right: 24px;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--blue); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 100;
}
#back-top.visible { opacity: 1; pointer-events: all; }
#back-top:hover { transform: translateY(-4px); }

/* ============================================================
   HOME — HERO
============================================================ */
#hero {
  position: relative;
  min-height: 90vh;
  background: linear-gradient(135deg, #003d80 0%, #007BFF 50%, #00b4d8 100%);
  display: flex; align-items: center;
  overflow: hidden;
  padding: 80px 24px;
}
.hero-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  animation: floatShape linear infinite;
}
.shape:nth-child(1) { width: 300px; height: 300px; top: -80px; right: -60px; animation-duration: 18s; }
.shape:nth-child(2) { width: 180px; height: 180px; bottom: 60px; left: -40px; animation-duration: 14s; animation-delay: -4s; }
.shape:nth-child(3) { width: 100px; height: 100px; top: 40%; left: 15%; animation-duration: 10s; animation-delay: -7s; }
.shape:nth-child(4) { width: 240px; height: 240px; bottom: -60px; right: 20%; animation-duration: 22s; animation-delay: -2s; }
.shape:nth-child(5) { width: 60px; height: 60px; top: 20%; right: 25%; animation-duration: 8s; animation-delay: -3s; }
@keyframes floatShape {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(120deg); }
  66% { transform: translateY(10px) rotate(240deg); }
}

.particle {
  position: absolute;
  opacity: 0.15;
  animation: driftUp linear infinite;
  pointer-events: none;
  user-select: none;
}
@keyframes driftUp {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.15; }
  90% { opacity: 0.15; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  width: 100%;
}

.hero-text { animation: fadeInUp 0.8s ease both; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.78rem; font-weight: 600;
  color: white; margin-bottom: 24px;
}
.hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4ade80;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.6; } }

.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.1; color: white; margin-bottom: 20px;
  animation: fadeInUp 0.8s 0.1s ease both;
}
.hero-title .accent { color: #ffd60a; }

.hero-subtitle {
  font-size: 1.05rem; color: rgba(255,255,255,0.85);
  line-height: 1.7; margin-bottom: 36px;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-search {
  position: relative; max-width: 480px;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.hero-search input {
  width: 100%;
  padding: 16px 56px 16px 20px;
  border: none; border-radius: 14px;
  font-size: 0.95rem; font-family: 'Open Sans', sans-serif;
  background: rgba(255,255,255,0.97); color: var(--text);
  outline: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transition: box-shadow var(--transition);
}
.hero-search input:focus { box-shadow: 0 8px 40px rgba(0,0,0,0.32); }
.hero-search input::placeholder { color: var(--gray-3); }
.hero-search-icon {
  position: absolute; right: 16px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem; pointer-events: none;
}

/* Autocomplete */
.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
  overflow: hidden;
  z-index: 10;
  display: none;
}
.search-results.show { display: block; }
.search-result-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  font-size: 0.88rem; color: var(--text);
  transition: background var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.search-result-item:hover { background: var(--blue-light); color: var(--blue); }
.search-result-item .sri { font-size: 1.1rem; width: 24px; text-align: center; }
.search-no-result { padding: 12px 16px; font-size: 0.85rem; color: var(--gray-3); text-align: center; }

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.8s 0.4s ease both; }
.btn-primary {
  padding: 14px 32px; background: white; color: var(--blue);
  border-radius: 12px;
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.btn-outline {
  padding: 14px 32px; background: transparent; color: white;
  border: 2px solid rgba(255,255,255,0.5); border-radius: 12px;
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-outline:hover { border-color: white; background: rgba(255,255,255,0.12); transform: translateY(-3px); }

/* Hero cards flutuantes */
.hero-visual { animation: fadeInUp 0.8s 0.2s ease both; }
.hero-card-stack { position: relative; height: 340px; }
.hero-card {
  position: absolute;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px; padding: 22px;
  color: white;
}
.hero-card:nth-child(1) { width: 220px; top: 30px; left: 10px; animation: cardFloat1 6s ease-in-out infinite; }
.hero-card:nth-child(2) { width: 265px; top: 65px; left: 65px; animation: cardFloat2 7s ease-in-out infinite; }
.hero-card:nth-child(3) { width: 205px; top: 12px; left: 145px; animation: cardFloat3 5s ease-in-out infinite; }
@keyframes cardFloat1 { 0%,100%{transform:rotate(-6deg) translateY(0)} 50%{transform:rotate(-6deg) translateY(-12px)} }
@keyframes cardFloat2 { 0%,100%{transform:rotate(2deg) translateY(0)} 50%{transform:rotate(2deg) translateY(-8px)} }
@keyframes cardFloat3 { 0%,100%{transform:rotate(8deg) translateY(0)} 50%{transform:rotate(8deg) translateY(-14px)} }
.hero-card .card-icon { font-size: 2rem; margin-bottom: 8px; }
.hero-card .card-label { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; }
.hero-card .card-sub { font-size: 0.75rem; opacity: 0.75; margin-top: 4px; }

/* ============================================================
   HOME — STATS
============================================================ */
#stats {
  background: var(--card-bg);
  border-bottom: 1px solid var(--gray-2);
  padding: 28px 24px;
}
.stats-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-around; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Montserrat', sans-serif; font-weight: 900;
  font-size: 2rem; color: var(--blue); line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; font-weight: 600; }
.stat-divider { width: 1px; height: 40px; background: var(--gray-2); }

/* ============================================================
   HOME — SECTION COMMONS
============================================================ */
.section { padding: 80px 24px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-badge {
  display: inline-block; background: var(--blue-light); color: var(--blue);
  border-radius: 50px; padding: 5px 16px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-family: 'Montserrat', sans-serif; font-weight: 900;
  font-size: clamp(1.8rem, 3vw, 2.8rem); color: var(--text);
  line-height: 1.2; margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-muted);
  max-width: 560px; margin: 0 auto; line-height: 1.7;
}

/* ============================================================
   HOME — TOOLS GRID
============================================================ */
#tools { background: var(--gray-1); }

.tools-controls {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  margin-bottom: 40px;
}
.tools-categories { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.cat-btn {
  padding: 7px 18px; border-radius: 50px;
  border: 2px solid var(--gray-2); background: var(--card-bg);
  color: var(--text-muted);
  font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.8rem;
  cursor: pointer; transition: all var(--transition);
}
.cat-btn.active, .cat-btn:hover { border-color: var(--blue); background: var(--blue); color: white; }

.tools-filter-bar { position: relative; max-width: 380px; width: 100%; }
.tools-filter-bar input {
  width: 100%; padding: 12px 48px 12px 18px;
  border: 2px solid var(--gray-2); border-radius: 12px;
  font-size: 0.9rem; font-family: 'Open Sans', sans-serif;
  background: var(--card-bg); color: var(--text); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tools-filter-bar input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,123,255,0.1); }
.tools-filter-icon { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--gray-3); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 20px;
}
.tool-card {
  background: var(--card-bg); border: 1px solid var(--gray-2);
  border-radius: var(--radius); padding: 28px 20px 24px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
}
.tool-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue) 0%, #00b4d8 100%);
  opacity: 0; transition: opacity var(--transition);
}
.tool-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue); }
.tool-card:hover::before { opacity: 0.05; }
.tool-card:hover .tool-icon { transform: scale(1.15) rotate(-5deg); }
.tool-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 14px;
  transition: transform var(--transition);
  position: relative; z-index: 1;
}
.tool-name {
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 0.85rem; color: var(--text); line-height: 1.3;
  position: relative; z-index: 1;
}
.tool-desc { font-size: 0.72rem; color: var(--text-muted); margin-top: 6px; position: relative; z-index: 1; }
.tool-card.hidden { display: none !important; }

/* "Em breve" badge */
.tool-card.coming-soon { opacity: 0.6; cursor: default; }
.tool-card.coming-soon:hover { transform: none; box-shadow: none; border-color: var(--gray-2); }
.soon-badge {
  position: absolute; top: 10px; right: 10px;
  background: var(--blue-light); color: var(--blue);
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 0.6rem; letter-spacing: 0.5px; text-transform: uppercase;
  padding: 3px 8px; border-radius: 50px;
  z-index: 2;
}

/* No results */
.tools-no-result {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.tools-no-result .icon { font-size: 3rem; margin-bottom: 12px; }
.tools-no-result p { font-size: 1rem; }

/* ============================================================
   HOME — WORKFLOW
============================================================ */
#workflow {
  background: linear-gradient(135deg, var(--blue-deeper) 0%, var(--blue) 100%);
  padding: 80px 24px;
  position: relative; overflow: hidden;
}
#workflow::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.workflow-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  position: relative; z-index: 1;
}
.workflow-text .section-badge { background: rgba(255,255,255,0.15); color: white; }
.workflow-text .section-title { color: white; }
.workflow-text .section-subtitle { color: rgba(255,255,255,0.8); max-width: none; text-align: left; }
.workflow-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.workflow-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px; padding: 22px;
  transition: background var(--transition), transform var(--transition);
}
.workflow-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-4px); }
.wc-icon { font-size: 1.8rem; margin-bottom: 10px; }
.wc-title { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; color: white; }
.wc-desc { font-size: 0.78rem; color: rgba(255,255,255,0.7); margin-top: 4px; line-height: 1.5; }

/* ============================================================
   HOME — TRUST
============================================================ */
#trust { background: var(--card-bg); padding: 80px 24px; }
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.trust-card {
  background: var(--gray-1); border-radius: var(--radius);
  padding: 32px; border: 1px solid var(--gray-2);
  transition: transform var(--transition), box-shadow var(--transition);
}
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 12px; letter-spacing: 2px; }
.trust-text { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.trust-author { display: flex; align-items: center; gap: 12px; }
.trust-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #00b4d8);
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.85rem; flex-shrink: 0;
}
.trust-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.88rem; }
.trust-role { font-size: 0.75rem; color: var(--text-muted); }

/* ============================================================
   HOME — SEO SECTION
============================================================ */
#seo-section { padding: 80px 24px; background: var(--gray-1); }
.seo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.seo-content h2 { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 1.7rem; color: var(--text); margin-bottom: 20px; line-height: 1.3; }
.seo-content h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.05rem; color: var(--blue); margin: 24px 0 10px; }
.seo-content p { color: var(--text-muted); line-height: 1.85; font-size: 0.95rem; }
.seo-features { display: flex; flex-direction: column; gap: 14px; }
.seo-feat {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--card-bg); border: 1px solid var(--gray-2);
  border-radius: 14px; padding: 18px 20px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.seo-feat:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); border-color: var(--blue); }
.seo-feat-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--blue-light); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.seo-feat-text h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; margin-bottom: 4px; }
.seo-feat-text p { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================================
   TOOL PAGE LAYOUT
============================================================ */
.tool-page-wrap {
  min-height: calc(100vh - 68px);
  background: var(--gray-1);
}

/* Topbar com breadcrumb */
.tool-topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--gray-2);
  padding: 0 24px;
}
.tool-topbar-inner {
  max-width: 1280px; margin: 0 auto;
  height: 50px;
  display: flex; align-items: center; gap: 8px;
  justify-content: space-between;
}
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--text-muted);
}
.breadcrumb a { color: var(--blue); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--gray-3); }

.tool-back-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 8px;
  border: 1.5px solid var(--gray-2);
  font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.78rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.tool-back-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }

/* Área do conteúdo da ferramenta */
.tool-content-area {
  max-width: 1280px; margin: 0 auto;
  padding: 40px 24px 60px;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .seo-grid { grid-template-columns: 1fr; gap: 40px; }
  .workflow-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .stat-divider { display: none; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .workflow-cards { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .hero-search { max-width: 100%; }
}

/* ============================================================
   MOBILE IMPROVEMENTS — TudoPDF SEO Update 2025
============================================================ */

/* Touch targets mínimos 44px */
.tool-card, .cat-btn, .btn-primary, .btn-outline, .nav-link,
.dropdown-item, .mobile-nav-item { min-height: 44px; }

/* Hero melhorado no mobile */
@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem !important; line-height: 1.25; }
  .hero-subtitle { font-size: .9rem; }
  .hero-ctas { flex-direction: column; gap: 10px; }
  .hero-ctas .btn-primary, .hero-ctas .btn-outline { width: 100%; text-align: center; }
  .hero-search input { font-size: 16px; } /* evita zoom no iOS */
  #tools-search { font-size: 16px; }
}

/* Grid de ferramentas — mínimo 1 coluna no mobile */
@media (max-width: 400px) {
  .tools-grid { grid-template-columns: 1fr 1fr !important; gap: 10px; }
  .tool-card { padding: 14px 10px; }
  .tool-icon { font-size: 1.6rem; }
  .tool-name { font-size: .78rem; }
  .tool-desc { font-size: .68rem; }
}

/* Stats responsivos */
@media (max-width: 520px) {
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-divider { display: none; }
  .stat-number { font-size: 1.6rem; }
}

/* Workflow cards */
@media (max-width: 480px) {
  .workflow-cards { grid-template-columns: 1fr 1fr; }
}

/* Trust cards */
@media (max-width: 480px) {
  .trust-grid { grid-template-columns: 1fr; }
}

/* Footer mobile */
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-col { margin-bottom: 8px; }
}

/* Back to top — melhor posição no mobile */
@media (max-width: 640px) {
  #back-top { bottom: 16px; right: 16px; width: 40px; height: 40px; font-size: 1rem; }
}

/* SEO section mobile */
@media (max-width: 640px) {
  .seo-grid { grid-template-columns: 1fr; }
  .seo-features { grid-template-columns: 1fr; }
}