/* ===== IRO Components — Scheme A: Industrial Engineering ===== */

/* ── Buttons ── */
.iro-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--iro-font-sans);
  font-size: 15px;
  font-weight: var(--iro-font-weight-semibold);
  line-height: 1.25;
  letter-spacing: 0.01em;
  border-radius: var(--iro-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}

.iro-button:hover,
.iro-button:focus-visible {
  text-decoration: none;
}

/* Primary: RFQ / CTA — steel blue solid */
.iro-button-primary {
  background: var(--iro-color-primary);
  border-color: var(--iro-color-primary);
  color: #ffffff;
  box-shadow: 0 1px 0 rgba(10, 14, 26, 0.12);
}

.iro-button-primary:hover {
  background: var(--iro-color-primary-hover);
  box-shadow: 0 2px 8px rgba(11, 30, 63, 0.18);
}

/* Secondary: outline */
.iro-button-secondary {
  background: #ffffff;
  color: var(--iro-color-primary);
  border-color: var(--iro-color-primary);
}

.iro-button-secondary:hover {
  background: var(--iro-color-primary-soft);
}

/* Submit / Form: cyan accent */
.iro-button-submit {
  background: var(--iro-color-accent);
  border-color: var(--iro-color-accent);
  color: #ffffff;
  box-shadow: 0 1px 0 rgba(8, 145, 178, 0.15);
}

.iro-button-submit:hover {
  background: var(--iro-color-accent-dark);
}

/* Ghost Light (Hero CTA on dark backgrounds) */
.iro-button-ghost-light {
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  background: transparent;
  color: #ffffff;
}

.iro-button-ghost-light:hover {
  border-color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
}

/* Small button variant */
.iro-button-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* ── Search Form ── */
.iro-search-form {
  display: flex;
  align-items: stretch;
}

.iro-search-form input[type="search"] {
  flex: 1;
  min-height: 44px;
  border-radius: var(--iro-radius-md) 0 0 var(--iro-radius-md);
  border-right: 0;
  padding: 0 14px;
}

.iro-search-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  min-height: 44px;
  border-radius: 0 var(--iro-radius-md) var(--iro-radius-md) 0;
  border: none;
  background: var(--iro-color-accent);
  color: #ffffff;
  font-family: var(--iro-font-sans);
  font-size: 14px;
  font-weight: var(--iro-font-weight-semibold);
  cursor: pointer;
  transition: background 0.18s ease;
  letter-spacing: 0.02em;
}

.iro-search-button:hover {
  background: var(--iro-color-accent-dark);
}

/* ── Sidebar ── */
.iro-sidebar-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.iro-sidebar-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--iro-color-primary);
  font-size: 16px;
  font-weight: var(--iro-font-weight-bold);
  color: var(--iro-color-ink);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.iro-sidebar-stack .iro-card {
  padding: 20px;
}

.iro-side-link-list,
.iro-side-link-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.iro-side-link-list a {
  display: block;
  padding: 7px 0;
  font-size: 14px;
  color: var(--iro-color-muted);
  transition: color 0.15s ease;
}

.iro-side-link-list a:hover {
  color: var(--iro-color-primary);
  text-decoration: none;
}

.iro-side-link-list ul a {
  padding-left: 14px;
  font-size: 13px;
}

/* Sidebar support (RFQ mini CTA) */
.iro-sidebar-support .iro-link-stack a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--iro-color-primary);
  font-weight: var(--iro-font-weight-semibold);
}

/* Sidebar RFQ card */
.iro-sidebar-rfq {
  background: var(--iro-color-primary);
  color: #ffffff;
  border-color: var(--iro-color-primary);
}

.iro-sidebar-rfq .iro-detail-side-title {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.iro-sidebar-rfq p,
.iro-side-note p {
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.iro-sidebar-rfq .iro-button-primary {
  background: #ffffff;
  color: var(--iro-color-primary);
  border-color: #ffffff;
  box-shadow: none;
}

.iro-sidebar-rfq .iro-button-secondary {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.iro-sidebar-rfq .iro-button-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ── Pagination ── */
.iro-pagelist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 36px 0 20px;
  list-style: none;
  padding: 0;
}

.iro-pagelist a,
.iro-pagelist span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  padding: 0 10px;
  border-radius: var(--iro-radius-md);
  border: 1px solid var(--iro-color-line);
  background: #fff;
  font-size: 14px;
  color: var(--iro-color-muted);
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.iro-pagelist a:hover {
  border-color: var(--iro-color-primary);
  color: var(--iro-color-primary);
  text-decoration: none;
}

.iro-pagelist .active {
  background: var(--iro-color-primary);
  border-color: var(--iro-color-primary);
  color: #fff;
  font-weight: var(--iro-font-weight-semibold);
}

.iro-pagelist .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Breadcrumb ── */
.iro-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--iro-color-muted);
  list-style: none;
  padding: 0;
  margin: 0;
}

.iro-breadcrumb a {
  color: var(--iro-color-muted);
}

.iro-breadcrumb a:hover {
  color: var(--iro-color-primary);
  text-decoration: none;
}

.iro-breadcrumb .iro-breadcrumb-sep {
  color: var(--iro-color-faint);
  user-select: none;
}

/* ── Tag List ── */
.iro-inline-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
}

.iro-inline-tag-list a {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--iro-radius-sm);
  background: var(--iro-color-soft-2);
  border: 1px solid var(--iro-color-line);
  font-size: 13px;
  color: var(--iro-color-muted);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.iro-inline-tag-list a:hover {
  border-color: var(--iro-color-primary);
  color: var(--iro-color-primary);
  text-decoration: none;
}

/* ── Note Box ── */
.iro-note-box {
  padding: 20px 24px;
  border-radius: var(--iro-radius-md);
  border: 1px solid var(--iro-color-line);
  background: var(--iro-color-soft);
  font-size: 15px;
  color: var(--iro-color-muted);
}

.iro-note-box .iro-button {
  margin-top: 12px;
}

/* ════════════════════════════════════════════════════════════════ */
/*  HEADER & FOOTER  (restored from pre-scheme-A baseline,         */
/*  re-coloured for scheme-A palette)                               */
/* ════════════════════════════════════════════════════════════════ */

/* ── Sticky Header ── */
.iro-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--iro-color-line);
}

/* ── Top Bar ── */
.iro-topbar {
  background: var(--iro-color-primary-dark);
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
}

.iro-topbar a {
  color: rgba(255, 255, 255, 0.86);
}

.iro-topbar a:hover {
  color: #ffffff;
}

.iro-topbar-inner,
.iro-header-main,
.iro-footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.iro-topbar-links,
.iro-footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

/* ── Header Main ── */
.iro-header-main {
  min-height: 84px;
}

.iro-logo img,
.iro-footer-logo img {
  display: block;
}

/* ── Navigation ── */
.iro-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.iro-nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--iro-radius-md);
  color: var(--iro-color-ink);
  font-weight: 600;
}

.iro-nav-list a:hover {
  background: var(--iro-color-soft);
  color: var(--iro-color-primary);
}

/* ── Footer ── */
.iro-footer {
  color: rgba(255, 255, 255, 0.86);
  background: var(--iro-color-footer);
}

.iro-footer a {
  color: rgba(255, 255, 255, 0.82);
}

.iro-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding: 56px 0 34px;
}

.iro-footer-brand,
.iro-footer-links {
  min-width: 0;
}

.iro-footer-copy {
  margin: 18px 0;
  color: rgba(255, 255, 255, 0.74);
}

.iro-footer-contact,
.iro-footer-links ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.iro-footer-contact li,
.iro-footer-links li {
  margin-bottom: 12px;
}

.iro-footer-contact span:first-child {
  display: inline-block;
  min-width: 72px;
  color: rgba(255, 255, 255, 0.52);
}

.iro-footer-links h2 {
  margin: 0 0 16px;
  font-size: 18px;
  color: #fff;
}

.iro-footer-links a {
  color: rgba(255, 255, 255, 0.78);
}

.iro-footer-links a:hover,
.iro-topbar a:hover,
.iro-footer-bottom-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.iro-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
}

.iro-footer-bottom a {
  color: rgba(255, 255, 255, 0.72);
}

.iro-footer-bottom p {
  margin: 0;
}

/* ── Header / Footer Responsive ── */
@media (max-width: 1023px) {
  .iro-header-main {
    flex-wrap: wrap;
    padding: 16px 0;
  }

  .iro-nav {
    width: 100%;
    order: 3;
  }

  .iro-footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .iro-topbar-inner,
  .iro-header-main,
  .iro-footer-bottom-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .iro-topbar-links,
  .iro-footer-bottom-links {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .iro-nav-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .iro-nav-list a,
  .iro-header-cta .iro-button {
    width: 100%;
  }
}