/*
Theme Name: SSHD Modern
Theme URI: https://sshd.cz
Author: SSHD Development Team
Author URI: https://sshd.cz
Description: Modern, responsive theme for Střední škola Horážďovice with mobile-first design
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: sshd-modern
Tags: education, school, responsive, modern, mobile-friendly

This theme, like WordPress, is licensed under the GPL.
*/

/* ============================================
   CSS VARIABLES - 4 Color Palette from Logo
   ============================================ */
:root {
  /* Primary Colors from Logo */
  --color-navy: #17375f;
  --color-blue: #1d71b8;
  --color-coral: #f6b09d;
  --color-white: #ffffff;
  
  /* Functional Colors */
  --color-text: #2c3e50;
  --color-text-light: #6c757d;
  --color-background: #f8f9fa;
  --color-border: #dee2e6;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
}

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

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

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */
.site-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
  background-color: var(--color-navy);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.site-logo {
  height: 50px;
  width: auto;
  transition: var(--transition);
}

@media (min-width: 768px) {
  .site-logo {
    height: 60px;
  }
}

.site-title {
  font-size: 1.25rem;
  color: var(--color-white);
  margin: 0;
  font-weight: 700;
}

@media (min-width: 768px) {
  .site-title {
    font-size: 1.5rem;
  }
}

.site-title a {
  color: var(--color-white);
  text-decoration: none;
}

.site-title a:hover {
  color: var(--color-coral);
  text-decoration: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background-color: var(--color-blue);
  border-color: var(--color-blue);
}

@media (min-width: 992px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Navigation Menu */
.main-navigation {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--color-navy);
  padding: var(--spacing-md);
  transition: right 0.3s ease;
  overflow-y: auto;
  z-index: 9999;
}

.main-navigation.active {
  right: 0;
}

@media (min-width: 992px) {
  .main-navigation {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    padding: 0;
    overflow-y: visible;
  }
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 9998;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 992px) {
  .menu-overlay {
    display: none;
  }
}

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

@media (min-width: 992px) {
  .primary-menu {
    display: flex;
    gap: var(--spacing-md);
  }
}

.primary-menu li {
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 992px) {
  .primary-menu li {
    margin-bottom: 0;
  }
}

.primary-menu a {
  color: var(--color-white);
  font-weight: 500;
  padding: 0.5rem 1rem;
  display: block;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.primary-menu a:hover,
.primary-menu .current-menu-item a {
  background-color: var(--color-blue);
  color: var(--color-white);
  text-decoration: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-blue) 100%);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero-section {
    min-height: 500px;
  }
}

@media (min-width: 1200px) {
  .hero-section {
    min-height: 600px;
  }
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../obrazky/student.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.hero-description {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: #e09a87;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(246, 176, 157, 0.4);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
  text-decoration: none;
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */
.content-section {
  padding: var(--spacing-lg) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-coral));
  border-radius: 2px;
}

.section-description {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-text-light);
  font-size: 1.125rem;
}

/* ============================================
   CARDS & GRID
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

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

@media (min-width: 992px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-md);
  transition: var(--transition);
  border-top: 4px solid var(--color-blue);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-blue);
}

.card-title {
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.card-link {
  color: var(--color-blue);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.card-link:hover {
  color: var(--color-navy);
  text-decoration: none;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-widget h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-coral);
}

.footer-widget p,
.footer-widget a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

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

.footer-widget ul {
  list-style: none;
  padding: 0;
}

.footer-widget ul li {
  margin-bottom: 0.5rem;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--color-coral);
  transform: translateY(-3px);
}

.social-link img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }

@media (max-width: 767px) {
  .hidden-mobile { display: none; }
}

@media (min-width: 768px) {
  .hidden-desktop { display: none; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   WORDPRESS SPECIFIC
   ============================================ */
.alignleft {
  float: left;
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.alignright {
  float: right;
  margin-left: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

/* ============================================
   ACCESSIBILITY
   ============================================ */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 8px;
  text-decoration: none;
  z-index: 10000;
}

.skip-link:focus {
  top: 0;
}

/* Focus styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-coral);
  outline-offset: 2px;
}

/* ============================================
   RESPONSIVE IMAGES & MEDIA
   ============================================ */
.wp-block-image img {
  border-radius: var(--border-radius);
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.5rem;
}

/* ============================================
   FORMS & SEARCH
   ============================================ */
.search-form {
  max-width: 600px;
  margin: 0 auto;
}

.search-input-group {
  display: flex;
  gap: var(--spacing-xs);
}

.search-field {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.search-field:focus {
  border-color: var(--color-blue);
  outline: none;
}

.search-submit {
  white-space: nowrap;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="range"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="time"],
input[type="datetime"],
input[type="datetime-local"],
input[type="color"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-blue);
  outline: none;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.error,
input.error,
textarea.error,
select.error {
  border-color: #dc3545;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   COMMENTS
   ============================================ */
.comments-area {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--color-border);
}

.comments-title {
  margin-bottom: var(--spacing-md);
}

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

.comment-list .comment {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius);
}

.comment-list .children {
  list-style: none;
  margin-left: var(--spacing-md);
}

.comment-author {
  font-weight: 600;
  color: var(--color-navy);
}

.comment-meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.comment-content {
  margin-top: var(--spacing-sm);
}

.reply {
  margin-top: var(--spacing-sm);
}

.reply a {
  font-size: 0.9rem;
  font-weight: 600;
}

.comment-form {
  margin-top: var(--spacing-md);
}

/* ============================================
   PAGINATION & NAVIGATION
   ============================================ */
.pagination,
.posts-pagination,
.post-navigation,
.comments-navigation {
  margin-top: var(--spacing-lg);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
  align-items: center;
}

.page-numbers {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
}

.page-numbers:hover,
.page-numbers.current {
  background-color: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
  text-decoration: none;
}

.post-navigation .nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

@media (max-width: 767px) {
  .post-navigation .nav-links {
    grid-template-columns: 1fr;
  }
}

.post-navigation a {
  display: block;
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.post-navigation a:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
  text-decoration: none;
}

.nav-subtitle {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.nav-title {
  display: block;
  font-weight: 600;
}

/* ============================================
   ENTRY META & FOOTER
   ============================================ */
.entry-meta,
.entry-footer {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.entry-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.cat-links,
.tags-links,
.edit-link {
  display: inline-block;
  margin-right: var(--spacing-sm);
}

/* ============================================
   POSTS GRID
   ============================================ */
.posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

@media (min-width: 992px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.posts-grid .card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.posts-grid .card-description {
  flex: 1;
}

.card-image {
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.card-image:hover img {
  transform: scale(1.05);
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
}

.page-title {
  margin-bottom: var(--spacing-sm);
}

.archive-description {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 1.125rem;
}

/* ============================================
   ERROR 404
   ============================================ */
.error-404 .page-header {
  border-bottom: none;
}

.error-404 .page-content {
  max-width: 700px;
  margin: 0 auto;
}

.error-404 ul {
  list-style: none;
  padding: 0;
}

.error-404 ul li {
  margin-bottom: 0.5rem;
}

.error-404 ul li::before {
  content: "→ ";
  color: var(--color-blue);
  font-weight: 600;
  margin-right: 0.5rem;
}

/* ============================================
   SCREEN READER TEXT
   ============================================ */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--color-background);
  border-radius: 3px;
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  clip: auto !important;
  clip-path: none;
  color: var(--color-navy);
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .mobile-menu-toggle,
  .menu-overlay,
  .site-footer,
  .comments-area,
  .nav-links {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  .site-header {
    position: static;
  }
}