/* ==========================================================================
   MARS — Komponenty | css/components.css
   Tlačidlá, karty, badge, formuláre, navigácia
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

.btn--secondary {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
  padding: 11px 24px;
}

.btn--secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.btn--sm {
  padding: 8px 16px;
  font-size: var(--font-size-small);
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.badge--green {
  background-color: var(--color-badge-green-bg);
  color: var(--color-badge-green-text);
}

.badge--blue {
  background-color: var(--color-badge-blue-bg);
  color: var(--color-badge-blue-text);
}

.badge--amber {
  background-color: var(--color-badge-amber-bg);
  color: var(--color-badge-amber-text);
}

/* ---------- Card ---------- */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  transition: box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--gap-md);
  font-size: 24px;
}

.card__title {
  font-size: var(--font-size-h3);
  margin-bottom: var(--gap-sm);
}

.card__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
  transition: box-shadow var(--transition-normal);
}

.nav--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  font-weight: var(--font-weight-bold);
  font-size: 18px;
  color: var(--color-primary-dark);
}

.nav__logo:hover {
  color: var(--color-primary-dark);
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--gap-xl);
}

.nav__link {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
}

.nav__lang {
  display: flex;
  gap: 4px;
  font-size: var(--font-size-xs);
}

.nav__lang-btn {
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.nav__lang-btn:hover,
.nav__lang-btn--active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary-dark);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.nav__hamburger--open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger--open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger--open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--gap-lg);
    gap: var(--gap-md);
    box-shadow: var(--shadow-md);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__cta-desktop {
    display: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 64px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.hero__content {
  max-width: none;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  margin-bottom: var(--gap-lg);
}

.hero__tag-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-text-muted);
  flex-shrink: 0;
}

.hero__title {
  margin-bottom: var(--gap-lg);
}

.hero__perex {
  font-size: 18px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--gap-xl);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
}

@media (max-width: 768px) {
  .hero {
    padding-top: calc(var(--nav-height) + 32px);
    padding-bottom: 32px;
  }

  .hero__perex {
    font-size: var(--font-size-body);
  }
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-xl);
  counter-reset: step;
}

.step {
  counter-increment: step;
  text-align: center;
  padding: var(--gap-lg);
}

.step__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: var(--font-weight-bold);
  font-size: 18px;
  margin: 0 auto var(--gap-md);
}

.step__title {
  margin-bottom: var(--gap-sm);
}

.step__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

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

/* ---------- Machine Table ---------- */
.machine-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.machine-table thead {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.machine-table th {
  padding: 14px var(--gap-lg);
  text-align: left;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.machine-table td {
  padding: 12px var(--gap-lg);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-small);
}

.machine-table tbody tr:last-child td {
  border-bottom: none;
}

.machine-table tbody tr:hover {
  background-color: var(--color-bg-secondary);
}

.machine-table .machine-category {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .machine-table {
    font-size: var(--font-size-small);
  }

  .machine-table th,
  .machine-table td {
    padding: 10px 12px;
  }
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding-left: var(--gap-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--gap-lg);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--gap-xl) + 3px);
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-primary-light);
}

.timeline__year {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: var(--font-size-small);
  margin-bottom: 2px;
}

.timeline__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* ---------- Value Cards ---------- */
.value-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-lg);
  margin-top: var(--gap-2xl);
}

.value-card {
  text-align: center;
  padding: var(--gap-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.value-card__icon {
  font-size: 32px;
  margin-bottom: var(--gap-sm);
}

.value-card__title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--gap-sm);
}

.value-card__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

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

/* ---------- References ---------- */
.ref-category {
  margin-bottom: var(--gap-xl);
}

.ref-category__title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--gap-md);
  padding-bottom: var(--gap-sm);
  border-bottom: 2px solid var(--color-primary-light);
}

.ref-category__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.ref-tag {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.ref-tag:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.ref-tag--highlight {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ---------- Blog Card ---------- */
.blog-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-bg-secondary);
}

.blog-card__body {
  padding: var(--gap-lg);
}

.blog-card__tag {
  margin-bottom: var(--gap-sm);
}

.blog-card__title {
  font-size: 18px;
  margin-bottom: var(--gap-sm);
}

.blog-card__perex {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  margin-bottom: var(--gap-md);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.blog-card__link {
  font-weight: var(--font-weight-medium);
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-2xl);
}

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

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}

.contact-info__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 18px;
}

.contact-info__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-info__value {
  font-weight: var(--font-weight-medium);
}

.contact-info__value a {
  color: var(--color-text);
}

.contact-info__value a:hover {
  color: var(--color-primary);
}

.form-group {
  margin-bottom: var(--gap-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  margin-bottom: 6px;
}

.form-label--required::after {
  content: ' *';
  color: #dc3545;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  font-size: var(--font-size-body);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(24, 95, 165, 0.1);
}

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

.form-error {
  color: #dc3545;
  font-size: var(--font-size-xs);
  margin-top: 4px;
  display: none;
}

.form-error--visible {
  display: block;
}

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

.form-file {
  position: relative;
}

.form-file__input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  cursor: pointer;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

.form-file__input:hover {
  border-color: var(--color-primary);
}

/* ---------- Checkbox ---------- */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: var(--font-size-small);
  line-height: 1.5;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-checkbox__text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-success {
  display: none;
  padding: var(--gap-lg);
  background-color: var(--color-badge-green-bg);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-badge-green-text);
}

.form-success--visible {
  display: block;
}

/* ---------- Map ---------- */
.contact-map {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-top: var(--gap-xl);
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 0;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
}

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

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--gap-2xl);
  padding-bottom: var(--gap-2xl);
}

.footer__brand-name {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--gap-sm);
}

.footer__brand-tagline {
  font-size: var(--font-size-small);
  margin-bottom: var(--gap-md);
}

.footer__brand-legal {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

.footer__heading {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--gap-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.footer__link {
  font-size: var(--font-size-small);
}

.footer__contact-item {
  font-size: var(--font-size-small);
  margin-bottom: var(--gap-sm);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--gap-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--gap-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--gap-sm);
    text-align: center;
  }
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background-color: var(--color-primary-dark);
  padding: 20px 0;
}

.trust-bar__items {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.trust-bar__number {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: 1;
}

.trust-bar__label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* ---------- Cert Cards ---------- */
.cert-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  text-align: center;
}

.cert-card__badge {
  display: inline-block;
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--gap-md);
  letter-spacing: 0.5px;
}

.cert-card__title {
  font-size: var(--font-size-body);
  margin-bottom: var(--gap-sm);
}

/* ---------- Form Row (two columns) ---------- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-md);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Nav Phone ---------- */
.nav__phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  white-space: nowrap;
}

.nav__phone:hover {
  color: var(--color-primary-hover);
}

/* ---------- Table responsive ---------- */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .trust-bar__items {
    gap: 24px;
  }

  .trust-bar__number {
    font-size: 22px;
  }

  .nav__phone {
    display: none;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .trust-bar__items {
    gap: 16px;
  }

  .trust-bar__number {
    font-size: 18px;
  }

  .grid--4 {
    grid-template-columns: 1fr;
  }
}