/* ==========================================================================
   Eren Elektronik — responsive styles
   ========================================================================== */

/* Wide desktop adjustments */
@media (max-width: 1240px) {
  .header-phone {
    display: none;
  }
}

/* Small desktop / large tablet */
@media (max-width: 1080px) {
  .primary-nav ul {
    gap: 20px;
  }

  .header-inner {
    gap: 24px;
  }
}

@media (max-width: 980px) {
  .primary-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-actions {
    margin-left: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .hero-copy {
    padding-bottom: clamp(36px, 6vw, 56px);
  }

  .hero-facts {
    margin-top: 40px;
  }

  .hero-media {
    min-height: clamp(420px, 56vw, 560px);
    padding-inline: clamp(20px, 8vw, 80px);
  }

  .about-grid,
  .b2b-grid,
  .contact-band-grid,
  .coverage-grid,
  .form-layout,
  .contact-layout,
  .page-hero-grid,
  .detail-grid,
  .story-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .about-grid {
    gap: 40px;
  }

  .about-media {
    max-width: 720px;
  }

  .page-hero-grid {
    gap: 32px;
  }

  .page-meta {
    max-width: 460px;
  }

  .detail-grid {
    gap: 36px;
  }

  .detail-media {
    order: 0 !important;
    max-width: 560px;
  }

  .detail-copy {
    order: 1 !important;
  }

  .category-detail.is-reversed .detail-media {
    order: 0;
  }

  .story-media {
    max-width: 560px;
    order: 0;
  }

  .story-copy {
    order: 1;
  }

  .story-grid .story-copy {
    order: 0;
  }

  .story-grid .story-media {
    order: 1;
  }

  .form-intro {
    max-width: 620px;
  }

  .cta-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
}

/* Tablet */
@media (max-width: 820px) {
  .section-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .section-head .lede {
    max-width: 52ch;
  }

  .category-row {
    grid-template-columns: 32px minmax(0, 1fr) 104px 40px;
    gap: 16px;
  }

  .cat-thumb {
    width: 104px;
    height: 78px;
  }

  .cat-arrow {
    width: 40px;
    height: 40px;
  }

  .value-grid,
  .reason-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .value-grid .value,
  .reason {
    padding: 20px 0;
    border-top: 1px solid var(--line);
  }

  .value-grid .value:first-child,
  .reason:first-child {
    border-top: 1px solid var(--line-strong);
  }

  .value p,
  .reason p {
    max-width: 52ch;
  }

  .process {
    grid-template-columns: minmax(0, 1fr);
    border-top: 1px solid var(--line-strong);
  }

  .process-step,
  .process-step + .process-step {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-step:last-child {
    border-bottom: 0;
  }

  .process-step p {
    max-width: 52ch;
  }

  .fact-row {
    gap: 18px;
  }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-brand p {
    max-width: 42ch;
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .map-panel {
    aspect-ratio: 16 / 10;
  }
}

/* Large phone */
@media (max-width: 640px) {
  :root {
    --section: clamp(64px, 12vw, 88px);
  }

  .header-inner {
    min-height: 70px;
  }

  .brand img {
    height: 34px;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(2.7rem, 12.6vw, 4rem);
  }

  .hero h1 .line-2 > span {
    padding-left: 0;
  }

  .hero .lede {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-actions .text-link {
    align-self: flex-start;
  }

  .hero-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding-top: 28px;
  }

  .hero-facts > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    margin: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-facts > div:last-child {
    border-bottom: 0;
  }

  .hero-facts dd {
    margin: 0;
    font-size: 1rem;
    text-align: right;
  }

  .hero-media {
    min-height: 360px;
    padding: 40px 28px 0;
  }

  .hero-media-tag {
    top: 18px;
    left: 18px;
  }

  .hero-media-caption {
    right: 18px;
    bottom: 16px;
  }

  .category-row {
    grid-template-columns: 26px minmax(0, 1fr) 72px 36px;
    gap: 12px;
    padding: 18px 0;
  }

  .cat-main h3 {
    font-size: clamp(1.35rem, 5.8vw, 1.75rem);
  }

  .cat-main p {
    margin-top: 6px;
    font-size: 0.8125rem;
  }

  .cat-thumb {
    width: 72px;
    height: 72px;
  }

  .cat-arrow {
    width: 36px;
    height: 36px;
  }

  .cat-arrow svg {
    width: 13px;
    height: 13px;
  }

  .about-media figcaption {
    flex-direction: column;
    gap: 4px;
  }

  .fact-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding-top: 10px;
  }

  .fact-row > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .fact-row > div:last-child {
    border-bottom: 0;
  }

  .fact-row dd {
    margin: 0;
    font-size: 1rem;
    text-align: right;
  }

  .b2b-copy .btn {
    width: 100%;
  }

  .capability {
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 14px;
  }

  .contact-item {
    grid-template-columns: minmax(0, 1fr) 24px;
    gap: 10px;
    padding: 16px 0;
  }

  .contact-item .label {
    grid-column: 1 / -1;
    font-size: 0.625rem;
  }

  .contact-item .value {
    font-size: 1rem;
  }

  .page-hero {
    padding-top: 32px;
  }

  .page-hero h1 {
    font-size: clamp(2.4rem, 10vw, 3.2rem);
  }

  .page-meta {
    max-width: none;
  }

  .detail-media-tag {
    top: 12px;
    left: 12px;
  }

  .detail-copy .btn {
    width: 100%;
  }

  .coverage-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .coverage-facts > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line-dark);
  }

  .coverage-facts > div:last-child {
    border-bottom: 0;
  }

  .coverage-facts dd {
    margin: 0;
    font-size: 1.0625rem;
    text-align: right;
  }

  .cta-actions .btn {
    flex: 1 1 100%;
  }

  .form-panel {
    padding: 20px;
  }

  .form-actions .btn {
    width: 100%;
  }

  .footer-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-col h3 {
    margin-bottom: 8px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

  .map-panel {
    aspect-ratio: auto;
    min-height: 0;
  }

  .map-panel iframe {
    height: 300px;
  }

  .map-card {
    position: static;
    max-width: none;
    border: 0;
    border-top: 1px solid var(--line);
  }
}

/* Small phone */
@media (max-width: 400px) {
  .container {
    width: min(100% - 36px, var(--container));
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 2.75rem);
  }

  .category-row {
    grid-template-columns: 24px minmax(0, 1fr) 36px;
  }

  .cat-thumb {
    display: none;
  }

  .mobile-nav a {
    font-size: 1.8rem;
  }

  .mobile-menu-foot .btn {
    margin-left: 0;
    width: 100%;
  }
}

/* Phone landscape / short viewports */
@media (max-height: 560px) and (max-width: 980px) {
  .mobile-nav {
    margin-top: 20px;
  }

  .mobile-nav a {
    padding: 8px 0;
    font-size: 1.5rem;
  }

  .mobile-menu-foot {
    padding-top: 24px;
  }
}