/* ==========================================================================
   TELTECH PERSONNALITÉ — BRAND BOOK INTERACTIVE DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color Palette Tokens */
  --color-black: #000000;
  --color-dark-surface: #0a0a0a;
  --color-graphite: #121212;
  --color-card-bg: #1a1a1a;
  --color-card-border: #2a2a2a;
  --color-gray-medium: #666666;
  --color-gray-light: #e5e5e5;
  --color-gray-hover: #333333;
  --color-white: #ffffff;
  
  --color-accent-glow: rgba(255, 255, 255, 0.15);
  --color-accent-border: rgba(255, 255, 255, 0.2);
  --color-danger: #ff4d4d;
  --color-success: #10b981;

  /* Typography */
  --font-brand: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Layout */
  --sidebar-width: 280px;
  --header-height: 70px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Mode Overrides */
body.light-theme {
  --color-black: #ffffff;
  --color-dark-surface: #f8f9fa;
  --color-graphite: #f1f3f5;
  --color-card-bg: #ffffff;
  --color-card-border: #e9ecef;
  --color-gray-medium: #6c757d;
  --color-gray-light: #212529;
  --color-gray-hover: #e2e8f0;
  --color-white: #0f172a;
  --color-accent-glow: rgba(0, 0, 0, 0.08);
  --color-accent-border: rgba(0, 0, 0, 0.15);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* App Container Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-dark-surface);
  border-right: 1px solid var(--color-card-border);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--color-card-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo-svg, .sidebar-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

body.light-theme .sidebar-logo-img,
body.light-theme .hero-logo-img,
body.light-theme .card-logo-img {
  filter: invert(1);
}

.sidebar-brand-title {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.sidebar-brand-sub {
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--color-gray-medium);
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-card-border) transparent;
}

.nav-group-title {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-gray-medium);
  margin: 16px 12px 8px 12px;
  font-weight: 700;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--color-gray-medium);
  text-decoration: none;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.nav-item:hover, .nav-item.active {
  color: var(--color-white);
  background-color: var(--color-card-bg);
}

.nav-item.active {
  border-left: 3px solid var(--color-white);
  padding-left: 11px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Header Navbar */
.top-header {
  position: fixed;
  top: 0;
  right: 0;
  left: var(--sidebar-width);
  height: var(--header-height);
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-card-border);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  transition: left var(--transition-normal);
}

.header-title-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-brand);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons & Interactive Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-card-border);
}

.btn-outline:hover {
  background-color: var(--color-card-bg);
  border-color: var(--color-white);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--color-card-border);
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-card-bg);
  border-color: var(--color-white);
}

/* Main Content Area */
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  flex: 1;
  padding: 40px 48px 80px 48px;
  max-width: 1400px;
}

/* Section Blocks */
.brand-section {
  margin-bottom: 80px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.section-tag {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--color-gray-medium);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-brand);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-lead {
  font-size: 1.15rem;
  color: var(--color-gray-medium);
  max-width: 800px;
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Cards & Layout Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.brand-card {
  background-color: var(--color-graphite);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.brand-card:hover {
  border-color: var(--color-accent-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-banner {
  background: linear-gradient(135deg, #000000 0%, #121212 100%);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
  margin-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
  pointer-events: none;
}

.hero-logo-svg, .hero-logo-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 24px;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.2));
}

.hero-brand-name {
  font-family: var(--font-brand);
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: 8px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.hero-brand-sub {
  font-family: var(--font-brand);
  font-size: 1.1rem;
  letter-spacing: 12px;
  color: var(--color-gray-medium);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-divider {
  width: 60px;
  height: 2px;
  background-color: var(--color-white);
  margin: 0 auto 24px auto;
}

.hero-tagline {
  font-size: 1.35rem;
  font-weight: 300;
  letter-spacing: 1px;
  max-width: 650px;
  margin-bottom: 32px;
}

/* Interactive Color Swatch */
.color-swatch-card {
  background-color: var(--color-graphite);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.color-swatch-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-white);
}

.color-swatch-preview {
  height: 120px;
  width: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 12px;
}

.color-swatch-info {
  padding: 16px;
}

.color-swatch-name {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.color-swatch-hex {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--color-gray-medium);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Interactive Logo Viewer & Grid */
.logo-viewer-box {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  position: relative;
}

.logo-grid-overlay {
  position: absolute;
  inset: 20px;
  border: 1px dashed rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.logo-grid-overlay::before {
  content: 'ÁREA DE PROTEÇÃO 1.5X';
  position: absolute;
  top: 8px;
  left: 12px;
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 1px;
}

/* Incorrect Usage Gallery */
.incorrect-card {
  background-color: var(--color-graphite);
  border: 1px solid rgba(255, 77, 77, 0.3);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  position: relative;
}

.incorrect-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: rgba(255, 77, 77, 0.2);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

/* Typography Playground */
.type-specimen {
  background-color: var(--color-graphite);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}

.type-label {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--color-gray-medium);
  margin-bottom: 12px;
}

.type-sample-title {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 2.4rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  word-break: break-word;
}

.type-sample-body {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-gray-light);
}

/* Interactive Mockups */
.mockup-container {
  perspective: 1000px;
}

.business-card-mockup {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1.75 / 1;
  background-color: #000000;
  border: 1px solid #333333;
  border-radius: 12px;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  position: relative;
  overflow: hidden;
}

.business-card-back {
  background: radial-gradient(circle at 90% 20%, rgba(255,255,255,0.06) 0%, rgba(0,0,0,1) 80%), #000000;
}

/* Real Business Card Mockup Display */
.card-real-wrapper {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  transition: all var(--transition-normal);
  background-color: #000000;
}

.card-real-wrapper:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: var(--color-white);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.85);
}

.card-real-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Media Download Container & Badges */
.media-box-relative {
  position: relative;
  overflow: hidden;
}

.download-media-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: all var(--transition-fast);
  z-index: 10;
  cursor: pointer;
}

.download-media-badge:hover {
  background-color: #ffffff;
  color: #000000;
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Partner Cards */
.partner-card {
  background-color: var(--color-graphite);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.partner-card:hover {
  border-color: var(--color-white);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.partner-img-wrapper {
  width: 100%;
  aspect-ratio: 3 / 4;
  position: relative;
  overflow: hidden;
  background-color: #050505;
}

.partner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-normal);
}

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

.partner-info {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.partner-name {
  font-family: var(--font-brand);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.partner-role {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--color-gray-medium);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.partner-contact {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-card-border);
  font-size: 0.9rem;
  color: var(--color-gray-light);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--color-white);
  color: var(--color-black);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* Print CSS Stylesheet */
@media print {
  .sidebar, .top-header, .btn, .header-actions, .toast-notification {
    display: none !important;
  }
  
  .main-content {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
  }

  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }

  .brand-card, .type-specimen, .hero-banner {
    border: 1px solid #cccccc !important;
    background-color: #ffffff !important;
    color: #000000 !important;
    box-shadow: none !important;
  }

  .brand-section {
    page-break-inside: avoid;
  }
}

/* Responsive Mobile Layout */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 0px;
  }

  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .top-header {
    left: 0;
  }

  .main-content {
    margin-left: 0;
    padding: 24px;
  }

  .grid-2, .grid-3, .grid-4, .grid-5 {
    grid-template-columns: 1fr;
  }
}