/*
Theme Name: Vzduchotechnika Veselý
Theme URI: https://vzduchotechnika-vesely.cz
Author: Vzduchotechnika Veselý
Description: Vlastní téma pro Vzduchotechnika Veselý — návrh, dodávka, montáž a servis vzduchotechniky.
Version: 1.2.3
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: vzduchotechnika-vesely
*/

/* =========================================================
   PROMĚNNÉ — barvy a fonty se dají snadno měnit tady
   ========================================================= */
:root {
  --color-dark: #12181f;
  --color-dark-alt: #0d1218;
  --color-accent: #3378c9;
  --color-accent-light: #5b9fe0;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-border: #e4e4e4;
  --color-text: #222222;
  --color-text-light: #888888;

  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-width: 1140px;
  --radius: 6px;
}

/* =========================================================
   RESET
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

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

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

h1, h2, h3 { font-family: var(--font-heading); margin: 0 0 0.5em; line-height: 1.25; }

p { margin: 0 0 1.2em; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   HLAVIČKA
   ========================================================= */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  background: var(--color-dark);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.site-brand:hover { opacity: 0.85; }

.site-brand img {
  width: 38px;
  height: 38px;
  filter: invert(1);
}

.site-brand span {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: #c7d0da;
  font-weight: 500;
  font-size: 14px;
}

.main-nav a:hover { color: #fff; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
}

.hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* =========================================================
   SEKCE OBECNĚ
   ========================================================= */
section {
  padding: 60px 0;
}

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

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  background: var(--color-accent);
  color: #fff;
  border: none;
  cursor: pointer;
}

.btn:hover { opacity: 0.9; }

/* =========================================================
   SLUŽBY — 4 boxy
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-box {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(18, 24, 31, 0.04);
  transition: transform 0.15s, box-shadow 0.15s;
}

.service-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(18, 24, 31, 0.08);
}

.service-box .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(51, 120, 201, 0.1);
  border-radius: 50%;
  font-size: 24px;
}

.service-box h3 {
  font-size: 15px;
  margin: 18px 0 6px;
}

.service-box p {
  font-size: 13px;
  color: var(--color-text-light);
  margin: 0;
}

/* =========================================================
   CO NABÍZÍME
   ========================================================= */
.quality-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.quality-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.quality-list li {
  font-size: 14px;
  padding-left: 24px;
  position: relative;
}

.quality-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.stat-box {
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
}

.stat-box .num {
  font-size: 46px;
  font-weight: 700;
  color: var(--color-accent-light);
}

.stat-box .label {
  font-size: 13px;
  color: #c7d0da;
  margin-top: 8px;
}

/* =========================================================
   O NÁS
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-grid img {
  border-radius: 50%;
  width: 380px;
  height: 380px;
  max-width: 100%;
  object-fit: cover;
  object-position: top;
  justify-self: center;
  border: 6px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.about-clients {
  font-size: 13.5px;
  color: var(--color-text-light);
}

/* =========================================================
   REFERENCE
   ========================================================= */
.reference-item {
  padding: 60px 0;
}

.reference-item:nth-child(odd) { background: var(--color-bg-alt); }
.reference-item:nth-child(even) { background: var(--color-dark); color: #fff; }

.reference-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.reference-item:nth-child(even) .reference-media { order: 2; }
.reference-item:nth-child(even) .reference-content { order: 1; }

.reference-media {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  height: 320px;
  overflow: hidden;
}

.reference-media > :first-child {
  grid-row: 1 / span 2;
}

.reference-media > :only-child {
  grid-column: 1 / -1;
  grid-row: 1 / -1;
}

.reference-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

.ph-img {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e9edf1, #d6dde3);
  border-radius: var(--radius);
  color: #7c8794;
  font-size: 13px;
  text-align: center;
  padding: 10px;
}

.reference-item:nth-child(even) .ph-img {
  background: linear-gradient(135deg, #232b35, #1a2129);
  color: #7c8794;
}

.reference-content h2 {
  font-size: 24px;
  margin-bottom: 14px;
}

.reference-content p {
  color: var(--color-text-light);
  margin: 0;
}

.reference-item:nth-child(even) .reference-content p { color: #c7d0da; }

.reference-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.reference-item:nth-child(even) .reference-facts { border-top-color: rgba(255, 255, 255, 0.15); }

.reference-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reference-facts span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
}

.reference-item:nth-child(even) .reference-facts span { color: #7c8794; }

.reference-facts strong {
  font-size: 15px;
  font-weight: 600;
}

/* =========================================================
   ÚVOD STRÁNKY (společný pro Reference, Články, Kontakty…)
   ========================================================= */
.page-intro,
.reference-intro {
  text-align: center;
  padding: 48px 0 28px;
}

.page-intro-label {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-intro h1,
.reference-intro h1 {
  font-size: clamp(28px, 4vw, 36px);
  margin-bottom: 0.35em;
}

.page-intro-text,
.reference-intro p {
  max-width: 620px;
  margin: 12px auto 0;
  color: var(--color-text-light);
  font-size: 16px;
  line-height: 1.65;
}

/* =========================================================
   ČLÁNKY — výpis
   ========================================================= */
.articles-section {
  padding: 20px 0 70px;
  background: var(--color-bg-alt);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(18, 24, 31, 0.04);
  transition: transform 0.15s, box-shadow 0.15s;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(18, 24, 31, 0.08);
}

.article-card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #e9edf1, #d6dde3);
  color: #7c8794;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-card-image--alt {
  background: linear-gradient(135deg, #dce8f5, #c5d9ef);
  color: #5a7a9e;
}

.article-card-image--dark {
  background: linear-gradient(135deg, #232b35, #1a2129);
  color: #8b96a3;
}

.article-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--color-text-light);
}

.article-meta--center {
  justify-content: center;
}

.article-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(51, 120, 201, 0.1);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.article-card h2 {
  font-size: 18px;
  line-height: 1.35;
  margin: 0 0 10px;
}

.article-card h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.article-card h2 a:hover {
  color: var(--color-accent);
}

.article-excerpt {
  flex: 1;
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-light);
}

.article-read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.article-read-more:hover {
  color: var(--color-accent-light);
}

/* =========================================================
   ČLÁNKY — detail
   ========================================================= */
.article-page {
  padding: 36px 0 70px;
}

.article-back {
  display: inline-block;
  margin-bottom: 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
}

.article-back:hover {
  color: var(--color-accent);
}

.article-header {
  max-width: 720px;
  margin: 0 auto 36px;
  text-align: center;
}

.article-header h1 {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
  margin-bottom: 0.5em;
}

.article-lead {
  margin: 0;
  font-size: 18px;
  line-height: 1.65;
  color: var(--color-text-light);
}

.article-reading-time {
  color: var(--color-text-light);
}

.article-featured {
  max-width: 860px;
  margin: 0 auto 40px;
  min-height: 280px;
}

.article-featured img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

.article-content {
  max-width: 680px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-text);
}

.article-content > *:first-child {
  margin-top: 0;
}

.article-content h2 {
  margin: 2.2em 0 0.75em;
  font-size: 22px;
  line-height: 1.3;
}

.article-content p {
  margin: 0 0 1.35em;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.35em;
  padding-left: 1.35em;
}

.article-content li {
  margin-bottom: 0.45em;
}

.article-content li strong {
  color: var(--color-text);
}

.article-content blockquote {
  margin: 2em 0;
  padding: 20px 24px;
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.article-content blockquote p {
  margin: 0;
  font-size: 16px;
  font-style: italic;
  color: var(--color-text);
}

.article-footer {
  max-width: 680px;
  margin: 48px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.article-back--footer {
  margin: 0;
}

/* =========================================================
   CTA
   ========================================================= */
.cta {
  text-align: center;
  background: var(--color-dark);
  color: #fff;
}

.cta h2 { color: #fff; }

.cta p {
  color: #c7d0da;
  max-width: 520px;
  margin: 0 auto 24px;
}

/* =========================================================
   KONTAKTNÍ STRÁNKA
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px;
}

.contact-info h2 { color: #fff; }

.contact-info > p { color: #c7d0da; }

.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 14px;
}

.contact-icon {
  flex: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: var(--color-accent-light);
}

.contact-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.contact-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #7c8794;
  margin-bottom: 3px;
}

.contact-info li a,
.contact-info li .value {
  color: #fff;
  font-size: 14.5px;
  font-weight: 500;
}

.contact-info li a:hover { color: var(--color-accent-light); }

.contact-form-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
}

.contact-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(51, 120, 201, 0.12);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* =========================================================
   PATIČKA
   ========================================================= */
.site-footer {
  background: var(--color-dark-alt);
  color: #8b96a3;
  text-align: center;
  padding: 28px 0;
  font-size: 12px;
}

.site-footer a { color: #c7d0da; }

.site-footer .footer-copy,
.site-footer .footer-ids {
  margin: 0;
}

.site-footer .footer-ids {
  margin-top: 8px;
  color: #6f7a87;
  letter-spacing: 0.02em;
}

.site-footer .footer-sep {
  margin: 0 0.35em;
  opacity: 0.7;
}

/* =========================================================
   RESPONZIVITA — MOBIL
   ========================================================= */
@media (max-width: 782px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark);
    z-index: 10;
  }

  .main-nav.is-open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 24px 20px;
  }

  .main-nav li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .main-nav a {
    display: block;
    padding: 14px 0;
  }

  .site-header { position: relative; }

  .menu-toggle { display: block; }

  section { padding: 40px 0; }

  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .quality-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-info,
  .contact-form-wrap {
    padding: 28px;
  }

  .quality-list { grid-template-columns: 1fr; }

  .about-grid img { width: 260px; height: 260px; }

  .about-grid > img { order: -1; }

  .reference-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .reference-item:nth-child(even) .reference-media,
  .reference-item:nth-child(even) .reference-content {
    order: initial;
  }

  .reference-media { height: 240px; }

  .articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .article-page { padding: 28px 0 50px; }

  .article-featured { min-height: 200px; }

  .article-content { font-size: 16px; }

  .article-lead { font-size: 17px; }

  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }

  .articles-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   WORDPRESS — VÝCHOZÍ PRVKY
   ========================================================= */
.main-nav .current-menu-item > a { color: #fff; }

.contact-form-wrap .wpcf7-form p { margin: 0; }

.contact-form-wrap .wpcf7-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  font-size: 14px;
}

.contact-form-wrap .wpcf7-form input[type="text"],
.contact-form-wrap .wpcf7-form input[type="email"],
.contact-form-wrap .wpcf7-form input[type="tel"],
.contact-form-wrap .wpcf7-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-family: inherit;
  font-size: 14px;
}

.contact-form-wrap .wpcf7-form textarea { min-height: 140px; resize: vertical; }

.contact-form-wrap .wpcf7-submit {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  background: var(--color-accent);
  color: #fff;
  border: none;
  cursor: pointer;
}