/*
Theme Name: Mr. English
Theme URI: https://mrenglish.com.br
Author: Mr. English
Author URI: https://mrenglish.com.br
Description: Tema personalizado para Mr. English - Escola de Inglês em Salvador
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: mrenglish
Tags: education, language-school, responsive, modern
*/

/* ===================================
   Design System - CSS Variables
   =================================== */
:root {
  /* Colors - Primary Palette */
  --color-primary: hsl(3, 99%, 44%);
  --color-primary-foreground: hsl(0, 0%, 100%);
  --color-secondary: hsl(3, 99%, 44%);
  --color-secondary-foreground: hsl(0, 0%, 100%);
  
  /* Background Colors */
  --color-background: hsl(0, 0%, 100%);
  --color-foreground: hsl(222.2, 84%, 4.9%);
  --color-card: hsl(0, 0%, 100%);
  --color-card-foreground: hsl(222.2, 84%, 4.9%);
  
  /* Muted Colors */
  --color-muted: hsl(210, 40%, 96.1%);
  --color-muted-foreground: hsl(215.4, 16.3%, 46.9%);
  
  /* Accent Colors */
  --color-accent: hsl(210, 40%, 96.1%);
  --color-accent-foreground: hsl(222.2, 47.4%, 11.2%);
  
  /* Border & Input */
  --color-border: hsl(214.3, 31.8%, 91.4%);
  --color-input: hsl(214.3, 31.8%, 91.4%);
  --color-ring: hsl(222.2, 84%, 4.9%);
  
  /* Destructive */
  --color-destructive: hsl(0, 84.2%, 60.2%);
  --color-destructive-foreground: hsl(0, 0%, 100%);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 80px 0;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 4px 20px hsla(3, 99%, 44%, 0.3);
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: var(--color-foreground);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--section-padding);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 30px hsla(3, 99%, 44%, 0.5);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-secondary-foreground);
  box-shadow: var(--shadow-glow);
}

.btn-secondary:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 30px hsla(3, 99%, 44%, 0.5);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
}

h2 {
  font-size: clamp(28px, 4vw, 48px);
}

h3 {
  font-size: clamp(24px, 3vw, 36px);
}

p {
  margin-bottom: 16px;
  line-height: 1.8;
}

/* ===================================
   Header / Navigation
   =================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: 16px 0;
}

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

.site-logo img {
  height: 50px;
  width: auto;
}

.main-navigation ul {
  display: flex;
  gap: 32px;
  list-style: none;
}

.main-navigation a {
  font-weight: 600;
  color: var(--color-foreground);
  position: relative;
}

.main-navigation a:hover {
  color: var(--color-primary);
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.main-navigation a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-foreground);
}

/* ===================================
   Hero Section
   =================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: 80px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(220, 38, 38, 0.3));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 20px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  margin-bottom: 24px;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  margin-bottom: 40px;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

/* ===================================
   Cards
   =================================== */
.card {
  background-color: var(--color-card);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.card-title {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--color-foreground);
}

.card-description {
  color: var(--color-muted-foreground);
  line-height: 1.8;
}

/* ===================================
   Grid Layouts
   =================================== */
.grid {
  display: grid;
  gap: 32px;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ===================================
   Forms
   =================================== */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 16px;
  font-family: var(--font-sans);
  transition: border-color 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
  background-color: var(--color-foreground);
  color: white;
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  color: var(--color-primary);
  margin-bottom: 16px;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 8px;
}

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

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  transition: transform 0.3s ease;
}

.social-link:hover {
  transform: scale(1.1);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  .main-navigation {
    display: none;
  }
  
  .main-navigation.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: var(--shadow-lg);
    padding: 20px;
  }
  
  .main-navigation.active ul {
    flex-direction: column;
    gap: 16px;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }
  
  .hero-section {
    min-height: 80vh;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.bg-muted {
  background-color: var(--color-muted);
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-32 {
  margin-bottom: 32px;
}

.mb-48 {
  margin-bottom: 48px;
}

.mt-48 {
  margin-top: 48px;
}