/* ============================================================
   Desiccant Calculator – Eurostat Group
   Brand colours:
     Primary / CTA  #1b9ac6
     Text dark      #293647
     Text muted     #8f96a0
     Background     #f5f8fa
     Border         #dde4ec
   ============================================================ */

/* ---- CSS custom properties --------------------------------- */
:root {
  --dc-primary:     #1b9ac6;
  --dc-primary-dk:  #157fa8;
  --dc-text:        #293647;
  --dc-muted:       #8f96a0;
  --dc-bg:          #f5f8fa;
  --dc-border:      #dde4ec;
  --dc-white:       #ffffff;
  --dc-radius:      6px;
  --dc-radius-lg:   10px;
}

/* ============================================================
   LANDING PAGE WRAPPERS
   ============================================================ */

/* Hero */
.desiccant-calc-hero {
  background: linear-gradient(135deg, #1b9ac6 0%, #157fa8 100%);
  border-radius: var(--dc-radius-lg);
  padding: 48px 40px;
  margin-bottom: 0;
  color: #fff;
}

.desiccant-calc-hero__eyebrow {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  opacity: .8;
  margin: 0 0 10px;
}

.desiccant-calc-hero__title {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 14px;
  line-height: 1.2;
  color: #fff;
}

.desiccant-calc-hero__sub {
  font-size: .95rem;
  opacity: .9;
  line-height: 1.6;
  max-width: 640px;
  margin: 0;
}

/* Landing outer */
.desiccant-calc-landing {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Info grid */
.desiccant-calc-info {
  margin-top: 48px;
}

.desiccant-calc-info__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.desiccant-calc-info__card {
  background: var(--dc-white);
  border: 1px solid var(--dc-border);
  border-radius: var(--dc-radius-lg);
  padding: 24px;
}

.desiccant-calc-info__icon {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.desiccant-calc-info__card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--dc-text);
  margin: 0 0 8px;
}

.desiccant-calc-info__card p {
  font-size: .85rem;
  color: var(--dc-muted);
  line-height: 1.6;
  margin: 0 0 12px;
}

.desiccant-calc-info__link {
  font-size: .85rem;
  font-weight: 600;
  color: var(--dc-primary);
  text-decoration: none;
}

.desiccant-calc-info__link:hover {
  color: var(--dc-primary-dk);
  text-decoration: underline;
}

/* ============================================================
   CTA BANNER (MBB product pages)
   ============================================================ */

.desiccant-calc-cta-banner {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #e8f6fc;
  border: 1px solid #b3dfee;
  border-left: 4px solid var(--dc-primary);
  border-radius: var(--dc-radius-lg);
  padding: 20px 22px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.desiccant-calc-cta-banner__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--dc-primary);
}

.desiccant-calc-cta-banner__icon svg {
  width: 100%;
  height: 100%;
}

.desiccant-calc-cta-banner__body {
  flex: 1;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.desiccant-calc-cta-banner__body strong {
  font-size: .95rem;
  color: var(--dc-text);
  font-weight: 700;
}

.desiccant-calc-cta-banner__body span {
  font-size: .85rem;
  color: var(--dc-muted);
  line-height: 1.45;
}

.desiccant-calc-cta-banner__btn {
  background: var(--dc-primary);
  color: #fff;
  border-radius: var(--dc-radius);
  padding: 10px 22px;
  font-size: .875rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s;
  flex-shrink: 0;
}

.desiccant-calc-cta-banner__btn:hover {
  background: var(--dc-primary-dk);
  color: #fff;
  text-decoration: none;
}

/* ============================================================
   CALCULATOR WIDGET (product pages + landing)
   ============================================================ */

.desiccant-calc {
  font-family: inherit;
  color: var(--dc-text);
  background: var(--dc-bg);
  border: 1px solid var(--dc-border);
  border-radius: var(--dc-radius-lg);
  padding: 36px 28px;
  margin: 32px 0;
}

.desiccant-calc__inner {
  max-width: 820px;
  margin: 0 auto;
}

/* ---- Title -------------------------------------------------- */
.desiccant-calc__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--dc-text);
}

.desiccant-calc__intro {
  font-size: .875rem;
  color: var(--dc-muted);
  margin: 0 0 28px;
  line-height: 1.55;
}

/* ---- Form rows ---------------------------------------------- */
.desiccant-calc__row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.desiccant-calc__label {
  min-width: 210px;
  font-weight: 600;
  font-size: .875rem;
  padding-top: 8px;
  color: var(--dc-text);
  flex-shrink: 0;
}

/* ---- Dimension inputs --------------------------------------- */
.desiccant-calc__dim-inputs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.desiccant-calc__dim-field {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.desiccant-calc__dim-field input {
  width: 130px;
  padding: 8px 10px;
  border: 1px solid var(--dc-border);
  border-radius: var(--dc-radius);
  font-size: .9rem;
  color: var(--dc-text);
  background: var(--dc-white);
  transition: border-color .18s, box-shadow .18s;
}

.desiccant-calc__dim-field input::placeholder {
  color: var(--dc-muted);
  font-size: .83rem;
}

.desiccant-calc__dim-field input:focus {
  outline: none;
  border-color: var(--dc-primary);
  box-shadow: 0 0 0 3px rgba(27,154,198,.15);
}

/* ---- Generic input wrap ------------------------------------- */
.desiccant-calc__input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.desiccant-calc__input-wrap input {
  width: 100px;
  padding: 8px 10px;
  border: 1px solid var(--dc-border);
  border-radius: var(--dc-radius);
  font-size: .9rem;
  color: var(--dc-text);
  background: var(--dc-white);
  transition: border-color .18s, box-shadow .18s;
}

.desiccant-calc__input-wrap input:focus {
  outline: none;
  border-color: var(--dc-primary);
  box-shadow: 0 0 0 3px rgba(27,154,198,.15);
}

.desiccant-calc__unit {
  font-size: .78rem;
  color: var(--dc-muted);
}

/* ---- Radio buttons ------------------------------------------ */
.desiccant-calc__radio-group {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 6px;
}

.desiccant-calc__radio {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: .875rem;
  color: var(--dc-text);
}

.desiccant-calc__radio em {
  font-size: .78rem;
  color: var(--dc-muted);
}

.desiccant-calc__radio input[type="radio"] {
  accent-color: var(--dc-primary);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

/* ---- Advanced panel ----------------------------------------- */
.desiccant-calc__advanced {
  margin-bottom: 22px;
}

.desiccant-calc__advanced-toggle {
  background: none;
  border: none;
  color: var(--dc-primary);
  font-size: .8rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.desiccant-calc__advanced-toggle:hover { color: var(--dc-primary-dk); }

.desiccant-calc__caret {
  transition: transform .18s;
  display: inline-block;
}

.desiccant-calc__advanced-toggle[aria-expanded="true"] .desiccant-calc__caret {
  transform: rotate(180deg);
}

.desiccant-calc__advanced-panel {
  margin-top: 10px;
  padding: 14px 16px;
  background: #e8f6fc;
  border-radius: var(--dc-radius);
  border-left: 3px solid var(--dc-primary);
}

.desiccant-calc__hint {
  font-size: .8rem;
  color: var(--dc-muted);
  margin: 0 0 8px;
  line-height: 1.5;
}

/* ---- Submit button ------------------------------------------ */
.desiccant-calc__row--submit { padding-left: 226px; }

@media (max-width: 640px) {
  .desiccant-calc__row--submit { padding-left: 0; }
}

.desiccant-calc__btn-calculate {
  background: var(--dc-primary);
  color: #fff;
  border: none;
  border-radius: var(--dc-radius);
  padding: 12px 36px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .02em;
  transition: background .18s, transform .1s, box-shadow .18s;
  box-shadow: 0 2px 8px rgba(27,154,198,.3);
}

.desiccant-calc__btn-calculate:hover {
  background: var(--dc-primary-dk);
  box-shadow: 0 4px 14px rgba(27,154,198,.4);
}

.desiccant-calc__btn-calculate:active  { transform: scale(.97); }
.desiccant-calc__btn-calculate:disabled {
  opacity: .55;
  cursor: not-allowed;
  box-shadow: none;
}

/* ---- Loader ------------------------------------------------- */
.desiccant-calc__loader {
  display: flex;
  gap: 7px;
  justify-content: center;
  padding: 28px 0;
}

.desiccant-calc__loader span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--dc-primary);
  animation: dc-bounce 1s infinite alternate;
}

.desiccant-calc__loader span:nth-child(2) { animation-delay: .2s; }
.desiccant-calc__loader span:nth-child(3) { animation-delay: .4s; }

@keyframes dc-bounce {
  from { transform: translateY(0);    opacity: 1; }
  to   { transform: translateY(-10px); opacity: .3; }
}

/* ---- Error -------------------------------------------------- */
.desiccant-calc__error {
  background: #fdecea;
  border: 1px solid #f5c6cb;
  color: #721c24;
  border-radius: var(--dc-radius);
  padding: 12px 16px;
  font-size: .875rem;
  margin-top: 14px;
}

/* ---- Results ----------------------------------------------- */
.desiccant-calc__results {
  margin-top: 36px;
  border-top: 2px solid var(--dc-primary);
  padding-top: 28px;
}

.desiccant-calc__results-header { margin-bottom: 22px; }

.desiccant-calc__results-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dc-text);
  margin: 0 0 4px;
}

.desiccant-calc__moisture-info {
  font-size: .875rem;
  color: var(--dc-muted);
  margin: 0;
}

.desiccant-calc__moisture-info strong {
  color: var(--dc-primary);
}

/* ---- Product cards ------------------------------------------ */
.desiccant-calc__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.desiccant-calc__card {
  background: var(--dc-white);
  border: 1px solid var(--dc-border);
  border-radius: var(--dc-radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow .18s, border-color .18s;
}

.desiccant-calc__card:hover {
  border-color: var(--dc-primary);
  box-shadow: 0 4px 16px rgba(27,154,198,.12);
}

/* Badge */
.desiccant-calc__card-badge {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  padding: 3px 9px;
  border-radius: 20px;
  align-self: flex-start;
}

.desiccant-calc__card-badge--silicagel      { background: #e3f6fb; color: #1b9ac6; }
.desiccant-calc__card-badge--molecularsieve { background: #e8f5e9; color: #2e7d32; }
.desiccant-calc__card-badge--clay           { background: #fff3e0; color: #e65100; }

/* Image */
.desiccant-calc__card-img-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--dc-radius);
  background: var(--dc-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.desiccant-calc__card-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Title & ref */
.desiccant-calc__card-title {
  font-weight: 600;
  font-size: .875rem;
  color: var(--dc-text);
  line-height: 1.35;
}

.desiccant-calc__card-ref {
  font-size: .72rem;
  color: var(--dc-muted);
  font-family: monospace;
  margin-top: -6px;
}

/* Required mass */
.desiccant-calc__card-required {
  font-size: .85rem;
  color: var(--dc-text);
}

.desiccant-calc__card-required strong {
  font-size: 1.05rem;
  color: var(--dc-primary);
}

/* Sachet combination */
.desiccant-calc__card-sachets {
  background: var(--dc-bg);
  border-radius: var(--dc-radius);
  padding: 10px 12px;
  font-size: .8rem;
  color: var(--dc-muted);
  line-height: 1.7;
}

.desiccant-calc__card-sachets strong {
  display: block;
  margin-bottom: 3px;
  color: var(--dc-text);
  font-size: .78rem;
}

.desiccant-calc__sachet-line::before {
  content: '→ ';
  color: var(--dc-primary);
}

/* Price */
.desiccant-calc__card-price {
  font-size: .875rem;
  color: var(--dc-text);
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--dc-border);
}

.desiccant-calc__price-label {
  font-size: .7rem;
  color: var(--dc-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-right: 3px;
}

.desiccant-calc__card-price strong {
  color: var(--dc-primary);
  font-size: 1rem;
}

/* CTA */
.desiccant-calc__card-btn {
  display: block;
  text-align: center;
  background: var(--dc-primary);
  color: #fff;
  border-radius: var(--dc-radius);
  padding: 9px 14px;
  font-size: .83rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .18s;
}

.desiccant-calc__card-btn:hover {
  background: var(--dc-primary-dk);
  color: #fff;
  text-decoration: none;
}

/* ---- HIC banner -------------------------------------------- */
.desiccant-calc__hic-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #e8f6fc;
  border: 1px solid #b3dfee;
  border-left: 4px solid var(--dc-primary);
  border-radius: var(--dc-radius-lg);
  padding: 16px 20px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  font-size: .875rem;
  color: var(--dc-text);
  line-height: 1.5;
}

.desiccant-calc__hic-icon { font-size: 1.4rem; flex-shrink: 0; }

.desiccant-calc__hic-banner > div { flex: 1; min-width: 180px; }

.desiccant-calc__hic-banner strong { color: var(--dc-text); }

.desiccant-calc__hic-btn {
  background: var(--dc-primary);
  color: #fff;
  border-radius: var(--dc-radius);
  padding: 8px 18px;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s;
  flex-shrink: 0;
}

.desiccant-calc__hic-btn:hover {
  background: var(--dc-primary-dk);
  color: #fff;
  text-decoration: none;
}

/* ---- Disclaimer -------------------------------------------- */
.desiccant-calc__disclaimer {
  font-size: .75rem;
  color: var(--dc-muted);
  text-align: center;
  margin-top: 4px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .desiccant-calc                { padding: 20px 14px; }
  .desiccant-calc__row           { flex-direction: column; gap: 8px; }
  .desiccant-calc__label         { min-width: auto; padding-top: 0; }
  .desiccant-calc__row--submit   { padding-left: 0; }
  .desiccant-calc__cards         { grid-template-columns: 1fr; }
  .desiccant-calc-hero           { padding: 28px 20px; }
  .desiccant-calc-hero__title    { font-size: 1.5rem; }
  .desiccant-calc-cta-banner     { flex-direction: column; align-items: flex-start; }
}