/* ==========================================================================
   ETBJ - Main Stylesheet
   Escola Técnica Bom Jesus
   ========================================================================== */

@import url('design-tokens.css');
@import url('components.css');
@import url('pages.css');

/* ==========================================================================
   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-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-brand-primary-hover);
  text-decoration: underline;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-neutral-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.lead {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-neutral-700);
}

.small { font-size: var(--font-size-sm); }
.text-muted { color: var(--color-neutral-500); }

/* Lists */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li { margin-bottom: var(--space-2); }

/* Blockquote */
blockquote {
  border-left: 4px solid var(--color-brand-primary);
  padding-left: var(--space-4);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--color-neutral-600);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-neutral-200);
  z-index: var(--z-fixed);
  transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

/* Logo */
.site-logo {
  flex-shrink: 0;
}

.site-logo img {
  height: 48px;
  width: auto;
}

.site-logo.mobile-logo {
  display: none;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: var(--nav-link-padding-y) var(--nav-link-padding-x);
  font-size: var(--nav-font-size);
  font-weight: var(--nav-font-weight);
  color: var(--color-neutral-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-brand-primary);
  background-color: var(--color-brand-primary-light);
  text-decoration: none;
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  list-style: none;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown .nav-link {
  padding: var(--space-2) var(--space-4);
  font-weight: var(--font-weight-normal);
}

.nav-dropdown .nav-link:hover {
  background-color: var(--color-neutral-100);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height-md);
  padding: 0 var(--btn-padding-x-md);
  font-size: var(--btn-font-size-md);
  font-weight: var(--btn-font-weight);
  border-radius: var(--btn-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-brand-primary-hover);
  border-color: var(--color-brand-primary-hover);
  color: var(--color-white);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-brand-primary);
  color: var(--color-brand-primary);
}

.btn-outline:hover {
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary);
  text-decoration: none;
}

.btn-sm {
  height: var(--btn-height-sm);
  padding: 0 var(--btn-padding-x-sm);
  font-size: var(--btn-font-size-sm);
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: 0 var(--btn-padding-x-lg);
  font-size: var(--btn-font-size-lg);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-fixed);
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-neutral-900);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */

.breadcrumb {
  background-color: var(--color-neutral-50);
  border-bottom: 1px solid var(--color-neutral-200);
  padding: var(--space-4) 0;
  font-size: var(--breadcrumb-font-size);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--breadcrumb-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--breadcrumb-gap);
  color: var(--color-neutral-600);
}

.breadcrumb-item:not(:last-child)::after {
  content: var(--breadcrumb-separator);
  color: var(--color-neutral-400);
}

.breadcrumb-item:last-child {
  color: var(--color-neutral-900);
  font-weight: var(--font-weight-medium);
}

.breadcrumb-link:hover {
  color: var(--color-brand-primary);
  text-decoration: underline;
}

/* ==========================================================================
   PAGE HEADER / HERO
   ========================================================================== */

.page-header {
  padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-8);
  background-color: var(--color-neutral-50);
  border-bottom: 1px solid var(--color-neutral-200);
}

.page-title {
  margin-bottom: var(--space-2);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-600);
  max-width: 700px;
}

/* Home Hero */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-white) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('../images/hero-pattern.svg') no-repeat center;
  background-size: cover;
  opacity: 0.05;
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 600px;
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-600);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ==========================================================================
   SECTIONS
   ========================================================================== */

.section {
  padding: var(--space-16) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-20) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  text-align: center;
  color: var(--color-neutral-600);
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background: var(--color-white);
  border: var(--card-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--card-shadow);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  aspect-ratio: var(--post-image-aspect);
  object-fit: cover;
}

.card-body {
  padding: var(--card-padding);
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-snug);
}

.card-title a {
  color: var(--color-neutral-900);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--color-brand-primary);
  text-decoration: underline;
}

.card-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
  margin-bottom: var(--space-3);
}

.card-excerpt {
  font-size: var(--font-size-base);
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: var(--post-excerpt-lines);
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-brand-primary);
}

.card-link:hover {
  gap: var(--space-2);
  text-decoration: none;
}

/* Course Card Variant */
.course-card .card-body {
  padding: var(--space-5);
}

.course-card .card-title {
  font-size: var(--font-size-base);
}

/* Comunicação Card */
.comunicacao-card .card-meta {
  flex-wrap: wrap;
}

.comunicacao-card .card-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary);
}

/* ==========================================================================
   GRID LAYOUTS
   ========================================================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cards-grid,
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SIDEBAR WIDGETS
   ========================================================================== */

.sidebar-widget {
  background: var(--color-white);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.widget-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-brand-primary);
}

.widget-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget-menu li {
  margin-bottom: var(--space-1);
}

.widget-menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-neutral-700);
  transition: all var(--transition-fast);
}

.widget-menu a:hover,
.widget-menu a.active {
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary);
  text-decoration: none;
}

/* Newsletter Widget */
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.newsletter-input {
  flex: 1;
}

.newsletter-note {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
}

/* Contact Info Widget */
.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
}

.contact-info i {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-brand-primary);
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-600);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-700);
  margin-bottom: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--input-padding-x);
  font-size: var(--input-font-size);
  font-family: inherit;
  line-height: var(--line-height-normal);
  color: var(--color-neutral-900);
  background-color: var(--input-bg);
  border: var(--input-border);
  border-radius: var(--input-radius);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--color-brand-primary-light);
}

.form-textarea {
  min-height: 120px;
  padding-top: var(--space-3);
  resize: vertical;
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error-500);
  margin-top: var(--space-1);
}

.form-help {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
  margin-top: var(--space-1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Checkbox/Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check-input {
  flex-shrink: 0;
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand-primary);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  margin-bottom: var(--space-4);
}

.footer-logo img {
  height: 48px;
}

.footer-description {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.footer-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-menu li {
  margin-bottom: var(--space-2);
}

.footer-menu a {
  color: var(--footer-text);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-menu a:hover {
  color: var(--footer-link-hover);
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-neutral-800);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
}

.footer-credits a {
  color: var(--color-neutral-400);
}

.footer-credits a:hover {
  color: var(--footer-link-hover);
}

/* ==========================================================================
   BACK TO TOP
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brand-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
  border: none;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-brand-primary-hover);
  transform: translateY(-4px);
  color: var(--color-white);
  text-decoration: none;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-brand {
    grid-column: span 2;
    max-width: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: var(--header-height-mobile);
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + var(--space-6)) var(--space-6) var(--space-6);
    gap: var(--space-6);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    overflow-y: auto;
    z-index: var(--z-fixed);
  }
  
  .main-nav.open {
    right: 0;
  }
  
  .nav-menu {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    padding: var(--space-3) var(--space-4);
    border-radius: 0;
    border-bottom: 1px solid var(--color-neutral-100);
  }
  
  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-neutral-50);
    border-radius: 0;
    padding: var(--space-2) 0 0 var(--space-4);
    display: none;
  }
  
  .nav-item.open .nav-dropdown {
    display: block;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-actions {
    display: none;
  }
  
  .mobile-menu-toggle + .header-actions {
    display: flex;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-brand {
    grid-column: auto;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .hero {
    padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10);
  }
  
  .section {
    padding: var(--space-12) 0;
  }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  .site-header,
  .site-footer,
  .back-to-top,
  .btn,
  .hero-actions,
  .sidebar {
    display: none !important;
  }
  
  .page-header {
    padding-top: 0;
  }
  
  body {
    font-size: 12pt;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
}