/* ==========================================================================
   MONTLAC — Promo landing: GMI Shield 500 (10 tanques 23kg + 1 galón gratis)
   Extends styles.css — brand tokens (--navy, --green, --blue, etc.) reused.
   ========================================================================== */

:root {
  --promo: #f2994a;
  --promo-dark: #d9782a;
}

body.promo-page { background: var(--white); }

/* ---------- Bare header for the landing (no full nav) ---------- */
.promo-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.promo-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.promo-header .brand img { height: 38px; filter: none; }
.promo-header-actions { display: flex; align-items: center; gap: 12px; }
.promo-header-actions a.back-link {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--muted);
  display: none;
}
@media (min-width: 620px) {
  .promo-header-actions a.back-link { display: inline-flex; align-items: center; gap: 6px; }
}

/* ---------- Promo hero ---------- */
.promo-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1c30 0%, #14304d 60%, #175a8a 100%);
  color: #fff;
  padding: 56px 0 60px;
}
.promo-hero__glow {
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,153,74,0.35), transparent 70%);
  top: -180px; right: -160px;
}
.promo-hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--promo);
  color: #1a1200;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.promo-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 18px;
}
.promo-hero h1 .hl { color: var(--promo); }
.promo-hero .lead {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-bottom: 30px;
}
.promo-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.16);
}
.trust-strip span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.trust-strip svg { width: 16px; height: 16px; stroke: var(--promo); flex-shrink: 0; }

/* Product visual with gift sticker */
.promo-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.promo-visual__glow {
  position: absolute;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,168,79,0.35), transparent 72%);
}
.promo-visual img {
  position: relative;
  width: 82%;
  max-width: 340px;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,0.45));
}
.gift-sticker {
  position: absolute;
  top: 6%;
  right: 6%;
  background: var(--promo);
  color: #1a1200;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.1;
  box-shadow: 0 12px 26px rgba(242,153,74,0.5);
  transform: rotate(8deg);
  border: 3px dashed rgba(26,18,0,0.25);
}
.gift-sticker .big { font-size: 1.5rem; }
.gift-sticker .small { font-size: 0.62rem; letter-spacing: 0.03em; text-transform: uppercase; margin-top: 2px; }

/* ---------- How it works ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-card {
  position: relative;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 34px 26px;
  padding-top: 54px;
}
.step-card .num {
  position: absolute;
  top: -18px; left: 26px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.step-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
.step-card p { font-size: 0.92rem; margin: 0; }

/* ---------- Offer breakdown ---------- */
.offer-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  max-width: 760px;
  margin: 0 auto;
}
.offer-box {
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
}
.offer-box--base {
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.offer-box--promo {
  background: var(--navy);
  color: #fff;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.offer-box--promo::before {
  content: "OFERTA";
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--promo);
  color: #1a1200;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 5px 14px;
  border-radius: 999px;
}
.offer-box .qty { font-family: var(--font-head); font-weight: 800; font-size: 2.2rem; margin: 6px 0 2px; }
.offer-box--promo .qty { color: var(--promo); }
.offer-box .qty-label { font-size: 0.85rem; opacity: 0.8; }
.offer-box .plus { font-size: 1.2rem; font-weight: 700; margin-top: 14px; display: block; }
.offer-box .bonus { font-family: var(--font-head); font-weight: 700; color: var(--promo); }
.offer-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 1.6rem;
}

.stock-note {
  text-align: center;
  font-size: 0.86rem;
  color: var(--muted);
  margin-top: 26px;
}

/* ---------- Benefits ---------- */
.benefit-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.benefit-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.benefit-item .icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: #e9f7ed;
  display: flex; align-items: center; justify-content: center;
}
.benefit-item .icon svg { width: 18px; height: 18px; stroke: var(--green-dark); }
.benefit-item h4 { font-size: 0.98rem; margin-bottom: 4px; }
.benefit-item p { font-size: 0.86rem; margin: 0; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq-item h4 {
  font-size: 1rem;
  margin: 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item h4::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--green-dark);
  flex-shrink: 0;
  transition: transform .2s ease;
}
.faq-item.is-open h4::after { transform: rotate(45deg); }
.faq-item p {
  font-size: 0.92rem;
  margin: 10px 0 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .3s ease, opacity .3s ease, margin .3s ease;
}
.faq-item.is-open p { max-height: 200px; opacity: 1; }

/* ---------- Order form ---------- */
.order-section {
  background: var(--navy);
  color: #fff;
}
.order-section h2, .order-section .eyebrow { color: #fff; }
.order-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.order-wrap .copy p { color: rgba(255,255,255,0.72); }
.order-summary {
  margin-top: 26px;
  padding: 20px 22px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
}
.order-summary div { display: flex; justify-content: space-between; padding: 6px 0; font-size: 0.9rem; color: rgba(255,255,255,0.75); }
.order-summary div strong { color: #fff; }
.order-summary .total { border-top: 1px dashed rgba(255,255,255,0.2); margin-top: 6px; padding-top: 12px; font-size: 1rem; }
.order-summary .total strong { color: var(--promo); }

.promo-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  color: var(--ink);
}
.promo-form .form-row select,
.promo-form .form-row input,
.promo-form .form-row textarea {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink);
}
.promo-form .form-row label { color: var(--navy); }
.promo-form .form-row input::placeholder, .promo-form .form-row textarea::placeholder { color: var(--muted); }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 940;
  background: #fff;
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 24px rgba(18,35,61,0.12);
  padding: 12px 16px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.sticky-cta .txt { font-family: var(--font-head); font-weight: 700; font-size: 0.86rem; color: var(--navy); }
.sticky-cta .txt span { display: block; font-size: 0.7rem; font-weight: 500; color: var(--muted); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .promo-hero .container { grid-template-columns: 1fr; }
  .promo-visual { order: -1; max-width: 280px; margin: 0 auto 10px; }
  .steps-grid { grid-template-columns: 1fr; }
  .offer-compare { grid-template-columns: 1fr; }
  .offer-arrow { transform: rotate(90deg); padding: 4px 0; }
  .benefit-list { grid-template-columns: 1fr; }
  .order-wrap { grid-template-columns: 1fr; }
  .sticky-cta { display: flex; }
  body.promo-page { padding-bottom: 78px; }
}

@media (max-width: 480px) {
  .gift-sticker { width: 96px; height: 96px; }
  .gift-sticker .big { font-size: 1.2rem; }
}