:root {
  --delta-navy: #071b31;
  --delta-navy-2: #0b2b47;
  --delta-teal: #18b8b0;
  --delta-teal-dark: #087d78;
  --delta-bg: #f1f6f8;
  --delta-line: #d9e4ea;
  --delta-text: #20384d;
  --delta-muted: #617386;
}

.delta-hero {
  padding: 70px 0 56px;
  color: #fff;
  background:
    radial-gradient(circle at 15% 20%, rgba(24, 184, 176, .25), transparent 28%),
    radial-gradient(circle at 88% 72%, rgba(56, 117, 178, .18), transparent 30%),
    linear-gradient(135deg, #061426, #0b2c49);
}

.delta-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(290px, .75fr);
  gap: 38px;
  align-items: center;
}

.delta-hero h1 {
  margin: 8px 0 17px;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.35;
}

.delta-hero p {
  max-width: 800px;
  color: #d6e3eb;
  line-height: 2;
}

.delta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.delta-badges span {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  font-size: 11px;
}

.delta-visual {
  padding: 22px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  box-shadow: 0 28px 70px rgba(0,0,0,.22);
}

.delta-rack {
  display: flex;
  align-items: stretch;
  gap: 8px;
  min-height: 230px;
  padding: 22px;
  border-radius: 17px;
  background: #e8eef2;
  transform: none;
}

.delta-rack span {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 48px;
  padding: 12px 7px;
  border: 1px solid #b9c6cf;
  border-radius: 7px;
  color: #173047;
  background: #fff;
  font-size: 9px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(7,27,49,.08);
}

.delta-rack span:first-child {
  width: 75px;
  border-top: 8px solid var(--delta-teal);
}

.delta-rack b {
  color: var(--delta-teal-dark);
  font-size: 10px;
}

.delta-shell {
  padding: 55px 0 74px;
  background: var(--delta-bg);
}

.delta-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 26px;
  align-items: start;
}

.delta-panel,
.delta-side,
.delta-results,
.tools-hub-card,
.delta-info-card {
  border: 1px solid var(--delta-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(7,27,49,.07);
}

.delta-panel {
  padding: 28px;
}

.delta-panel h2,
.delta-results h2,
.delta-info-card h2 {
  margin: 0 0 9px;
  color: var(--delta-navy);
}

.delta-panel > p,
.delta-results > p,
.delta-info-card p,
.delta-side p {
  color: var(--delta-muted);
  line-height: 1.95;
}

.delta-fieldset {
  margin: 26px 0 0;
  padding: 0;
  border: 0;
}

.delta-fieldset legend {
  width: 100%;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--delta-line);
  color: var(--delta-navy);
  font-size: 17px;
  font-weight: 800;
}

.delta-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px;
}

.delta-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.delta-field label {
  color: var(--delta-text);
  font-size: 13px;
  font-weight: 750;
}

.delta-field small {
  min-height: 17px;
  color: #748596;
  font-size: 10px;
  line-height: 1.7;
}

.delta-field input,
.delta-field select {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  border: 1px solid #cad7df;
  border-radius: 10px;
  outline: none;
  color: #173047;
  background: #fff;
  font: inherit;
}

.delta-field input:focus,
.delta-field select:focus {
  border-color: var(--delta-teal);
  box-shadow: 0 0 0 4px rgba(24,184,176,.12);
}

.delta-check {
  flex-direction: row;
  align-items: center;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #cad7df;
  border-radius: 10px;
}

.delta-check input {
  width: 18px;
  min-height: 18px;
}

.delta-actions,
.delta-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 25px;
}

.delta-actions button,
.delta-result-actions button,
.delta-result-actions a {
  min-height: 46px;
  padding: 0 19px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.delta-primary {
  color: #fff;
  background: linear-gradient(135deg, #0a9992, #18b8b0);
}

.delta-secondary {
  color: #18354b;
  background: #e9f0f4;
}

.delta-error {
  margin: 0 0 20px;
  padding: 14px 16px;
  border: 1px solid #edb1b1;
  border-radius: 10px;
  color: #8d2020;
  background: #fff4f4;
}

.delta-side {
  position: sticky;
  top: 100px;
  padding: 24px;
}

.delta-side h3 {
  margin: 0 0 12px;
  color: var(--delta-navy);
}

.delta-side ul {
  margin: 0;
  padding-right: 20px;
  color: var(--delta-muted);
  line-height: 1.9;
}

.delta-note {
  margin-top: 20px;
  padding: 16px;
  border-right: 4px solid #e49a2d;
  border-radius: 10px;
  color: #6e470f;
  background: #fff8eb;
  font-size: 12px;
  line-height: 1.9;
}

.delta-results {
  scroll-margin-top: 90px;
  margin-top: 28px;
  padding: 28px;
}

.delta-result-cards {
  display: grid;
  gap: 17px;
  margin-top: 22px;
}

.delta-result-card {
  overflow: hidden;
  border: 1px solid var(--delta-line);
  border-radius: 15px;
  background: #fff;
}

.delta-result-card.featured {
  border-color: rgba(24,184,176,.65);
  box-shadow: 0 12px 30px rgba(24,184,176,.11);
}

.delta-result-head {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 15px 18px;
  color: #fff;
  background: var(--delta-navy-2);
}

.delta-result-card.featured .delta-result-head {
  background: linear-gradient(135deg, #087d78, #12aaa3);
}

.delta-result-head span {
  font-size: 11px;
  font-weight: 800;
}

.delta-result-head strong {
  direction: rtl;
  font-size: 15px;
}

.delta-result-card h3 {
  margin: 20px 20px 5px;
  color: var(--delta-navy);
  font-size: 24px;
  direction: ltr;
  text-align: right;
}

.delta-result-card > p {
  margin: 0 20px 18px;
  color: var(--delta-muted);
}

.delta-result-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 0 20px 18px;
}

.delta-result-stats div {
  padding: 13px;
  border: 1px solid #e1e9ee;
  border-radius: 10px;
  background: #f7fafb;
}

.delta-result-stats small {
  display: block;
  margin-bottom: 5px;
  color: #728395;
  font-size: 9px;
}

.delta-result-stats b {
  display: block;
  color: #173047;
  font-size: 11px;
  line-height: 1.8;
}

.delta-parts-list {
  margin: 0 20px 18px;
  padding: 0;
  border: 1px solid #e1e9ee;
  border-radius: 10px;
  list-style: none;
}

.delta-parts-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 15px;
  padding: 12px 14px;
  border-bottom: 1px solid #e8edf1;
}

.delta-parts-list li:last-child {
  border-bottom: 0;
}

.delta-parts-list span {
  direction: ltr;
  color: #173047;
  text-align: right;
  font-weight: 800;
}


.delta-parts-list small {
  grid-column: 1 / -1;
  color: #758596;
  font-size: 9px;
}

.delta-result-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  padding: 14px 20px;
  border-top: 1px solid #e6ecef;
  color: #627487;
  background: #f8fafb;
  font-size: 10px;
}

.delta-result-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.delta-whatsapp {
  color: #fff;
  background: #178b67;
}

.delta-info {
  padding: 0 0 72px;
  background: var(--delta-bg);
}

.delta-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.delta-info-card {
  padding: 25px;
}

.delta-info-card.full {
  grid-column: 1 / -1;
}

.delta-info-card ul {
  padding-right: 20px;
  color: var(--delta-muted);
  line-height: 1.9;
}

.delta-info-card a {
  color: var(--delta-teal-dark);
}

.delta-faq details {
  margin-bottom: 10px;
  overflow: hidden;
  border: 1px solid var(--delta-line);
  border-radius: 10px;
}

.delta-faq summary {
  padding: 15px 17px;
  color: var(--delta-navy);
  background: #f7fafb;
  cursor: pointer;
  font-weight: 800;
}

.delta-faq details p {
  margin: 0;
  padding: 0 17px 16px;
}

/* Tools hub */
.tools-hub-hero {
  padding: 68px 0 52px;
  color: #fff;
  background: linear-gradient(135deg, #061426, #0b2c49);
}

.tools-hub-hero h1 {
  margin: 7px 0 14px;
  font-size: clamp(32px, 4vw, 56px);
}

.tools-hub-hero p {
  max-width: 760px;
  color: #d8e4ec;
  line-height: 2;
}

.tools-hub {
  padding: 58px 0 75px;
  background: var(--delta-bg);
}

.tools-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.tools-hub-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.tools-hub-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 20px;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(135deg, #087d78, #18b8b0);
  font-size: 23px;
  font-weight: 900;
}

.tools-hub-card h2 {
  margin: 0 0 10px;
  color: var(--delta-navy);
  line-height: 1.55;
}

.tools-hub-card p {
  flex: 1;
  color: var(--delta-muted);
  line-height: 1.95;
}

.tools-hub-card ul {
  padding-right: 20px;
  color: #586d80;
  line-height: 1.9;
}

.tools-hub-card .btn {
  align-self: flex-start;
  margin-top: 14px;
}

@media (max-width: 980px) {
  .delta-hero-grid,
  .delta-layout {
    grid-template-columns: 1fr;
  }

  .delta-side {
    position: static;
  }

  .delta-result-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 690px) {
  .delta-hero {
    padding: 50px 0 42px;
  }

  .delta-form-grid,
  .delta-info-grid,
  .tools-hub-grid,
  .delta-result-stats {
    grid-template-columns: 1fr;
  }

  .delta-panel,
  .delta-results,
  .delta-info-card,
  .tools-hub-card {
    padding: 19px;
    border-radius: 13px;
  }

  .delta-info-card.full {
    grid-column: auto;
  }

  .delta-result-head {
    flex-direction: column;
  }

  .delta-actions > *,
  .delta-result-actions > * {
    flex: 1 1 100%;
  }
}