/*
Theme Name: i3upgrade
Description: Věrná WordPress verze původního webu i3upgrade.cz.
Version: 1.5.0
*/

:root {
  --i3-blue: #113782;
  --i3-blue-light: #2878bd;
  --i3-gray: #555d66;
  --i3-text: #20252b;
  --i3-page: #eef1f4;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  color: var(--i3-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  background-color: var(--i3-page);
  background-image: url("assets/bg.png");
  background-repeat: no-repeat;
  background-position: right 28px bottom 24px;
  background-attachment: fixed;
  background-size: min(42vw, 672px) auto;
}

.site-header {
  min-height: 150px;
  background: #fff;
  border-bottom: 1px solid #dce1e6;
  box-shadow: 0 3px 15px rgb(22 34 47 / 8%);
  position: relative;
  z-index: 1;
}

.site-logo {
  display: block;
  width: 360px;
  height: 150px;
  background: url("assets/logo.png") no-repeat left top;
  background-size: contain;
}

.site-nav {
  position: absolute;
  right: 5vw;
  bottom: 25px;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: block;
  padding: 10px 20px;
  border-radius: 5px;
  color: var(--i3-gray);
  text-decoration: none;
  transition: color .2s, background-color .2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: #fff;
  background: var(--i3-blue);
}

.language-switcher {
  position: absolute;
  top: 10px;
  right: 5vw;
  display: flex;
  gap: 10px;
}

.language-switcher a { color: var(--i3-gray); }

.content {
  width: min(860px, calc(100% - 48px));
  min-height: 260px;
  margin: 40px auto 32px clamp(24px, 7vw, 120px);
  padding: 42px 48px;
  text-align: center;
  background: rgb(255 255 255 / 94%);
  border: 1px solid rgb(255 255 255 / 80%);
  border-radius: 12px;
  box-shadow: 0 12px 36px rgb(31 43 55 / 14%);
  backdrop-filter: blur(3px);
}

.content table { max-width: 100%; margin: 0 auto; }
.content img { max-width: 100%; height: auto; }
.content a {
  color: #075ea7;
  font-weight: 600;
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.content p { margin-block: .65em; }

.i3-section__header {
  max-width: 680px;
  margin: 0 auto 32px;
}

.i3-eyebrow {
  margin: 0 0 7px !important;
  color: var(--i3-blue-light);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.i3-section h1,
.i3-hero h1 {
  margin: 0;
  color: #17202a;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
}

.i3-lead,
.i3-hero__lead {
  color: #505b66;
  font-size: 19px;
}

.i3-timeline,
.i3-pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.i3-step {
  position: relative;
  padding: 20px 18px 24px;
  background: #f6f8fa;
  border: 1px solid #e0e5ea;
  border-radius: 12px;
}

.i3-step__number {
  position: absolute;
  top: 12px;
  left: 12px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: #fff;
  background: var(--i3-blue);
  border-radius: 50%;
  font-weight: 800;
}

.i3-step img {
  width: 100%;
  height: 118px;
  object-fit: contain;
}

.i3-step__time {
  color: var(--i3-blue-light);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.i3-step h2,
.i3-price-card h2,
.i3-stock-grid h2 {
  margin: 5px 0 8px;
  font-size: 20px;
}

.i3-step > p:last-child {
  color: #59636d;
  font-size: 15px;
}

.i3-offer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px 22px;
  margin: 0 0 34px;
  padding: 14px 20px;
  color: #103365;
  background: #e8f3ff;
  border: 1px solid #bbd8f5;
  border-radius: 10px;
}

.i3-price-card {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 28px 20px 22px;
  flex-direction: column;
  background: #fff;
  border: 1px solid #dce2e8;
  border-radius: 13px;
  box-shadow: 0 7px 20px rgb(35 48 61 / 8%);
}

.i3-price-card--featured {
  border: 2px solid var(--i3-blue-light);
  box-shadow: 0 10px 28px rgb(17 55 130 / 16%);
  transform: translateY(-6px);
}

.i3-price-card__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  padding: 5px 13px;
  color: #fff;
  background: var(--i3-blue);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  transform: translateX(-50%);
}

.i3-price-card__price {
  margin: 12px 0 4px !important;
  color: var(--i3-blue);
  font-size: 23px;
  font-weight: 800;
}

.i3-price-card__capacity {
  color: #59636d;
  font-size: 16px;
}

.i3-price-card__warranty {
  padding: 9px 0;
  border-block: 1px solid #edf0f3;
}

.i3-price-card ul {
  margin: 8px 0 22px;
  padding: 0;
  list-style: none;
  text-align: left;
}

.i3-price-card li {
  position: relative;
  margin: 10px 0;
  padding-left: 24px;
  color: #46515b;
  font-size: 14px;
}

.i3-price-card li::before {
  position: absolute;
  left: 2px;
  color: #218654;
  content: "✓";
  font-weight: 900;
}

.i3-button {
  display: inline-flex;
  min-height: 44px;
  margin-top: auto;
  padding: 10px 19px;
  align-items: center;
  justify-content: center;
  color: #fff !important;
  background: var(--i3-blue);
  border: 2px solid var(--i3-blue);
  border-radius: 7px;
  font-weight: 800 !important;
  text-decoration: none;
  transition: background .2s, border-color .2s, transform .2s;
}

.i3-button:hover {
  background: #1d62a4;
  border-color: #1d62a4;
  transform: translateY(-1px);
}

.i3-button--secondary {
  color: var(--i3-blue) !important;
  background: transparent;
}

.i3-button--large { margin-top: 28px; padding-inline: 30px; }

.i3-hero {
  max-width: 690px;
  margin: 0 auto;
  padding: 24px 0 6px;
}

.i3-hero__lead { margin: 22px auto !important; }

.i3-actions {
  display: flex;
  margin: 28px 0;
  justify-content: center;
  gap: 12px;
}

.i3-warning {
  display: grid;
  margin-top: 34px;
  padding: 15px 18px;
  grid-template-columns: auto 1fr;
  gap: 6px 18px;
  text-align: left;
  background: #fff6e5;
  border: 1px solid #f1d49d;
  border-radius: 9px;
}

.i3-warning strong { color: #8e4f00; }

.i3-media-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.i3-media-card {
  display: flex;
  min-height: 115px;
  padding: 17px;
  flex-direction: column;
  justify-content: space-between;
  color: #fff !important;
  text-align: left;
  background: linear-gradient(145deg, #113782, #2878bd);
  border-radius: 10px;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}

.i3-media-card:hover {
  box-shadow: 0 8px 18px rgb(17 55 130 / 24%);
  transform: translateY(-3px);
}

.i3-media-card__source { font-size: 17px; font-weight: 800; }
.i3-media-card span:last-child { font-size: 12px; }

.i3-gallery {
  display: grid;
  margin-top: 22px;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.i3-gallery img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 10px;
}

.i3-contact-primary,
.i3-contact-grid,
.i3-stock-grid {
  display: grid;
  gap: 16px;
}

.i3-contact-primary { grid-template-columns: repeat(2, 1fr); }
.i3-contact-grid { margin-top: 16px; grid-template-columns: repeat(3, 1fr); }
.i3-stock-grid { grid-template-columns: repeat(2, 1fr); }

.i3-contact-primary a,
.i3-contact-grid article,
.i3-stock-grid article {
  padding: 21px;
  text-align: left;
  background: #f6f8fa;
  border: 1px solid #e0e5ea;
  border-radius: 10px;
}

.i3-contact-primary a {
  display: grid;
  color: var(--i3-blue);
  text-decoration: none;
}

.i3-contact-primary small { color: #65707b; font-weight: 500; }
.i3-contact-primary strong { font-size: clamp(17px, 2vw, 22px); }

.i3-contact-grid h2,
.i3-contact-grid h3 { margin-top: 0; }
.i3-contact-grid h2 { color: var(--i3-blue); font-size: 18px; }
.i3-contact-grid h3 { color: #68737e; font-size: 13px; text-transform: uppercase; }
.i3-contact-grid p { color: #4d5862; font-size: 14px; }

.i3-team {
  margin: 0 0 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid #e3e7eb;
}

.i3-team > header {
  margin-bottom: 18px;
}

.i3-team > header h2 {
  margin: 0 0 4px;
  font-size: 25px;
}

.i3-team > header p {
  margin: 0;
  color: #63707b;
}

.i3-team-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.i3-team-card {
  display: flex;
  min-width: 0;
  padding: 14px 8px;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  background: #f7f9fb;
  border: 1px solid #e0e5ea;
  border-radius: 11px;
}

.i3-team-card img {
  width: 74px;
  height: 74px;
  object-fit: cover;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 3px 10px rgb(35 48 61 / 14%);
}

.i3-team-card h3 {
  margin: 0 0 3px;
  font-size: 15px;
  line-height: 1.2;
}

.i3-team-card p {
  margin: 0 0 6px !important;
  color: #65717c;
  font-size: 12px;
  line-height: 1.3;
}

.i3-team-card a {
  display: block;
  font-size: 11px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.i3-team-card:last-child:nth-child(odd) {
  width: auto;
  grid-column: auto;
}

.i3-stock {
  color: #258758;
  font-size: 18px;
}

.i3-stock-page { width: min(1050px, calc(100% - 48px)); }

.i3-stock-table-wrap {
  overflow-x: auto;
  border: 1px solid #dce2e8;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgb(35 48 61 / 7%);
}

.i3-stock-table {
  width: 100%;
  border: 0;
  border-collapse: collapse;
  text-align: left;
}

.i3-stock-table th {
  padding: 13px 15px;
  color: #fff;
  background: var(--i3-blue);
  font-size: 13px;
  letter-spacing: .02em;
}

.i3-stock-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #e5e9ed;
  font-size: 14px;
}

.i3-stock-table tbody tr:nth-child(even) { background: #f4f7f9; }
.i3-stock-table tbody tr:last-child td { border-bottom: 0; }
.i3-stock-table td:first-child { color: var(--i3-blue); font-weight: 800; }
.i3-stock-table td:nth-child(3) { font-weight: 800; white-space: nowrap; }
.i3-stock-table td:nth-child(4) { font-family: ui-monospace, monospace; }

.i3-stock-actions {
  display: flex;
  margin-top: 24px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 13px;
}

.i3-stock-actions > a:not(.i3-button) {
  padding: 8px;
  font-size: 13px;
}

.i3-tow-offer {
  display: grid;
  margin-top: 30px;
  padding: 24px 26px;
  grid-template-columns: minmax(190px, .8fr) minmax(260px, 1.4fr) auto;
  align-items: center;
  gap: 20px 28px;
  text-align: left;
  background: linear-gradient(135deg, #f3f7fb, #fff);
  border: 1px solid #ccd8e5;
  border-left: 5px solid var(--i3-blue-light);
  border-radius: 11px;
}

.i3-tow-offer h2 {
  margin: 3px 0 7px;
  font-size: 21px;
}

.i3-tow-offer__price {
  margin: 0 !important;
  color: var(--i3-blue);
  font-size: 18px;
  font-weight: 800;
}

.i3-tow-offer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.i3-tow-offer li {
  position: relative;
  margin: 6px 0;
  padding-left: 21px;
  color: #4d5862;
  font-size: 14px;
}

.i3-tow-offer li::before {
  position: absolute;
  left: 0;
  color: #218654;
  content: "✓";
  font-weight: 900;
}

.i3-tow-offer .i3-button {
  min-width: 155px;
  text-align: center;
}

.i3-about-note {
  display: flex;
  margin-top: 30px;
  padding: 18px 21px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  text-align: left;
  background: #f3f7fb;
  border-left: 4px solid var(--i3-blue-light);
  border-radius: 7px;
}

.i3-story__body {
  max-width: 860px;
  margin: 0 auto 2rem;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  border: 1px solid var(--i3-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--i3-shadow);
}

.i3-story__body p {
  margin: 0;
  color: var(--i3-text);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
}

.i3-story__body p + p {
  margin-top: 1.25rem;
}

.i3-story__approvals {
  max-width: 860px;
  margin-right: auto;
  margin-left: auto;
}

.i3-story__approvals .i3-about-note + .i3-about-note {
  margin-top: 1rem;
}

.i3-about-note h2 {
  margin: 0 0 5px;
  font-size: 17px;
}

.i3-about-note p {
  margin: 0 !important;
  color: #58636e;
  font-size: 14px;
}

.i3-about-note > a {
  flex: 0 0 auto;
  white-space: nowrap;
}

.i3-contact-form {
  margin-top: 24px;
  padding: 26px;
  text-align: left;
  background: #fff;
  border: 1px solid #dce2e8;
  border-radius: 12px;
  box-shadow: 0 7px 20px rgb(35 48 61 / 8%);
}

.i3-contact-form h2 { margin-top: 0; text-align: center; }

.i3-contact-form form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.i3-contact-form label {
  display: grid;
  gap: 6px;
  color: #39434d;
  font-size: 14px;
  font-weight: 700;
}

.i3-contact-form input,
.i3-contact-form textarea {
  width: 100%;
  padding: 11px 12px;
  color: var(--i3-text);
  background: #f8fafb;
  border: 1px solid #cfd6dd;
  border-radius: 6px;
  font: inherit;
}

.i3-contact-form input:focus,
.i3-contact-form textarea:focus {
  border-color: var(--i3-blue-light);
  box-shadow: 0 0 0 3px rgb(40 120 189 / 15%);
  outline: none;
}

.i3-contact-form__wide { grid-column: 1 / -1; }
.i3-honeypot { position: absolute !important; left: -10000px; }

.i3-form-notice {
  padding: 11px 14px;
  border-radius: 6px;
}

.i3-form-notice--success { color: #145c38; background: #e7f6ed; }
.i3-form-notice--error { color: #8b2929; background: #fdeaea; }

.copy {
  width: fit-content;
  min-width: 150px;
  margin: 0 0 40px clamp(24px, 7vw, 120px);
  padding: 10px 18px;
  border-radius: 5px;
  color: #fff;
  background: var(--i3-blue);
  text-align: center;
}

.copy a { color: #fff; text-decoration: none; }

.language-home {
  min-height: calc(100vh - 150px);
  display: grid;
  place-items: center;
}

.language-home__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.language-home__links a {
  padding: 14px 24px;
  border-radius: 5px;
  color: #fff;
  background: var(--i3-blue);
  text-decoration: none;
  font-size: 20px;
}

@media (max-width: 900px) {
  .site-header { padding-bottom: 16px; }
  .site-logo { width: 280px; height: 115px; }
  .site-nav { position: static; padding: 0 16px; }
  .site-nav ul { flex-wrap: wrap; gap: 4px; }
  .site-nav a { padding: 8px 10px; }
  .language-switcher { top: 8px; right: 12px; }
  body {
    background-position: right 12px bottom 18px;
    background-size: min(72vw, 520px) auto;
  }
  .content {
    width: calc(100% - 24px);
    margin: 20px auto;
    padding: 28px 16px;
    background: rgb(255 255 255 / 96%);
  }
  .copy { margin: 0 auto 32px; }
  .i3-timeline,
  .i3-pricing,
  .i3-contact-grid,
  .i3-stock-grid { grid-template-columns: 1fr; }
  .i3-price-card--featured { transform: none; }
  .i3-media-grid { grid-template-columns: repeat(2, 1fr); }
  .i3-gallery img { height: 190px; }
  .i3-contact-form form { grid-template-columns: 1fr; }
  .i3-contact-form__wide { grid-column: auto; }
  .i3-tow-offer { grid-template-columns: 1fr; }
  .i3-about-note { align-items: flex-start; flex-direction: column; }
  .i3-team-grid { grid-template-columns: repeat(2, 1fr); }
  .i3-team-card:last-child:nth-child(odd) {
    width: calc(50% - 5px);
    grid-column: 1 / -1;
    justify-self: center;
  }
}

@media (max-width: 560px) {
  .i3-actions,
  .i3-offer { align-items: stretch; flex-direction: column; }
  .i3-warning,
  .i3-contact-primary,
  .i3-gallery,
  .i3-media-grid { grid-template-columns: 1fr; }
  .i3-gallery img { height: auto; }
  .i3-team-grid { grid-template-columns: 1fr; }
  .i3-team-card {
    width: 100% !important;
    grid-column: auto !important;
  }
  .i3-stock-page { width: calc(100% - 24px); }
  .i3-stock-table th,
  .i3-stock-table td { padding: 10px; font-size: 12px; }
}