/* Variables */

:root {
    --navy: #071a3b;
    --navy-2: #102b58;
    --red: #df2027;
    --red-dark: #b5161c;
    --cream: #f5f3ee;
    --white: #fff;
    --text: #101a2c;
    --muted: #5c687d;
    --line: #d8dde6;
    --surface: #f7f8fa;
    --success: #167548;
    --danger: #b4232b;
    --radius: 14px;
    --shadow: 0 20px 55px rgba(5,21,49,.14);
    --header-height: 76px;
}

/* Reset y base */

*,*::before,*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
    margin: 0;
    overflow-x: hidden;
    font-family: ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color: var(--text);
    background: #eceef2;
    line-height: 1.5;
}

body.dialog-open {
    overflow: hidden;
}

img {
    max-width: 100%;
}

button,input,textarea,select {
    font: inherit;
}

button,a {
    -webkit-tap-highlight-color: transparent;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: .55;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 200;
    padding: 10px 14px;
    color: #fff;
    background: var(--navy);
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: none;
}

main {
    max-width: 1480px;
    margin: auto;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--red);
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: .17em;
    text-transform: uppercase;
}

/* Header */

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 8px clamp(14px,4vw,60px);
    color: #fff;
    background: rgba(7,26,59,.97);
    backdrop-filter: blur(14px);
    box-shadow: 0 4px 22px rgba(0,0,0,.16);
}

.brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 13px;
    text-decoration: none;
}

.brand-logo-wrap {
    flex: 0 0 54px;
    width: 54px;
    height: 54px;
    overflow: hidden;
    border-radius: 50%;
    background: #000;
}

.brand-logo {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-caption {
    font-size: .85rem;
    font-weight: 750;
    letter-spacing: .04em;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ghost-button,.cart-button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 17px;
  color: #fff;
  transition: transform .18s,background .18s,border-color .18s;
}

.ghost-button {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
}

.cart-button {
  background: var(--red);
  font-weight: 850;
}

.ghost-button:hover {
  background: rgba(255,255,255,.16);
}

.cart-button:hover {
  background: #f0272e;
}

.ghost-button:active,.cart-button:active {
  transform: translateY(1px);
}

.cart-button span {
  display: inline-grid;
  place-items: center;
  min-width: 23px;
  height: 23px;
  margin-left: 7px;
  padding: 0 6px;
  border-radius: 999px;
  background: #fff;
  color: var(--navy);
  font-size: .78rem;
}

.cart-button span.bump {
  animation: bump .3s ease;
}

/* Portada */

.cover {
  position: relative;
  max-width: 790px;
  margin: clamp(14px,3vw,38px) auto 0;
  overflow: hidden;
  background: var(--navy);
  box-shadow: var(--shadow);
}

.cover>img {
  display: block;
  width: 100%;
  height: auto;
}

.realstep-badge {
  position: absolute;
  top: 4%;
  right: 4%;
  padding: 11px 15px;
  text-align: right;
  color: #fff;
  background: rgba(7,26,59,.9);
  border-left: 4px solid var(--red);
  box-shadow: 0 6px 24px rgba(0,0,0,.2);
}

.realstep-badge span {
  display: block;
  font-size: .58rem;
  letter-spacing: .17em;
  opacity: .8;
  text-transform: uppercase;
}

.realstep-badge strong {
  letter-spacing: .05em;
}

.cover-actions {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  margin: -18px auto clamp(40px,6vw,76px);
}

.cover-cta {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 13px 26px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 10px 28px rgba(223,32,39,.28);
  transition: transform .18s ease,background .18s ease,box-shadow .18s ease;
}

.cover-cta:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(223,32,39,.34);
}

.cover-cta:active {
  transform: translateY(0);
}

/* Introducción */

.intro-panel {
  margin: 0 clamp(12px,4vw,60px) 30px;
  padding: clamp(25px,4vw,42px);
  display: grid;
  grid-template-columns: minmax(0,1.25fr) minmax(280px,.75fr);
  gap: 42px;
  align-items: center;
  color: #fff;
  background: linear-gradient(135deg,var(--navy),var(--navy-2));
  border-radius: var(--radius);
}

.intro-panel h2 {
  margin: 0;
  max-width: 750px;
  font-size: clamp(2rem,5vw,4rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.commercial-highlights {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  list-style: none;
}

.commercial-highlights li {
  position: relative;
  padding: 12px 12px 12px 30px;
  color: #dce4f2;
  background: rgba(255,255,255,.07);
  border-radius: 8px;
  font-size: .86rem;
}

.commercial-highlights li::before {
  content: "✓";
  position: absolute;
  left: 11px;
  color: #ff6267;
  font-weight: 900;
}

/* Productos */

.product-list {
  display: grid;
  gap: 36px;
  padding: 0 clamp(12px,4vw,60px) 90px;
}

.product-shell {
  display: grid;
  grid-template-columns: minmax(0,760px) minmax(320px,1fr);
  gap: 26px;
  align-items: start;
  padding: 24px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.catalog-page {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--cream);
}

.catalog-page img {
  display: block;
  width: 100%;
}

.order-panel {
  position: sticky;
  top: calc(var(--header-height) + 18px);
  padding: 28px;
  border-top: 5px solid var(--red);
  background: var(--surface);
  border-radius: 0 0 10px 10px;
}

.order-panel h2 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: clamp(1.45rem,3vw,1.85rem);
  line-height: 1.08;
}

.product-code {
  margin: 0;
  color: var(--muted);
  font-size: .82rem;
}

.product-code strong,.product-code span {
  display: block;
}

.product-code strong {
  color: var(--navy);
  font-size: .9rem;
}

.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0;
}

.price-card {
  padding: 15px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 9px;
}

.price-card.featured {
  border-color: #b9c6d9;
  background: #f2f5f9;
}

.price-card span {
  display: block;
  color: var(--muted);
  font-size: .69rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.price-card strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
  font-size: clamp(1rem,2vw,1.2rem);
}

.price-card small {
  color: var(--muted);
}

.curve-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.field-label {
  display: block;
  margin: 22px 0 9px;
  color: var(--navy);
  font-size: .74rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.curve-options {
  display: grid;
  gap: 8px;
}

.curve-option {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
}

.curve-option:has(input:checked) {
  border-color: var(--red);
  box-shadow: inset 0 0 0 1px var(--red);
}

.curve-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--red);
}

.curve-option small {
  color: var(--muted);
}

.composition {
  margin-top: 12px;
  padding: 14px;
  border-left: 3px solid var(--navy);
  background: #e9eef5;
  color: #32405a;
  font-size: .82rem;
  line-height: 1.7;
}

.quantity-row {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  align-items: center;
  gap: 8px;
}

.qty-button,.qty-value {
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
}

.qty-button {
  font-size: 1.4rem;
}

.qty-value {
  font-weight: 900;
}

.primary-button,.secondary-button,.danger-button {
  min-height: 48px;
  border-radius: 8px;
  padding: 11px 17px;
  font-weight: 850;
}

.primary-button {
  border: 1px solid var(--red);
  background: var(--red);
  color: #fff;
}

.primary-button:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.secondary-button {
  border: 1px solid var(--navy);
  background: #fff;
  color: var(--navy);
}

.danger-button {
  border: 1px solid #e4b9bd;
  background: #fff;
  color: var(--danger);
}

.order-panel>.primary-button {
  width: 100%;
  margin-top: 22px;
}

.full {
  width: 100%;
}

/* Carrito */

.cart-drawer,.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  visibility: hidden;
  opacity: 0;
  transition: opacity .2s,visibility .2s;
}

.cart-drawer.open,.modal.open {
  visibility: visible;
  opacity: 1;
}

.drawer-backdrop,.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,11,26,.72);
  backdrop-filter: blur(4px);
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(560px,96vw);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  transform: translateX(100%);
  transition: transform .25s;
}

.cart-drawer.open .drawer-panel {
  transform: none;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.drawer-header h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.4rem,4vw,1.8rem);
}

.icon-button {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: #eef1f5;
  color: var(--navy);
  font-size: 1.8rem;
  line-height: 1;
}

.cart-items {
  flex: 1;
  overflow: auto;
  padding: 12px 24px;
}

.empty-cart {
  padding: 50px 12px;
  text-align: center;
  color: var(--muted);
}

.cart-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.cart-item-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.cart-item h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1rem;
}

.cart-item p {
  margin: 5px 0;
  color: var(--muted);
  font-size: .79rem;
}

.cart-composition {
  line-height: 1.5;
}

.remove-item {
  min-height: 42px;
  border: 0;
  background: transparent;
  color: var(--danger);
  font-size: .76rem;
  font-weight: 850;
}

.cart-item-bottom {
  margin-top: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.cart-quantity {
  display: grid;
  grid-template-columns: 40px 38px 40px;
  align-items: center;
  text-align: center;
}

.cart-quantity button {
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 1.2rem;
}

.cart-quantity span {
  font-weight: 850;
}

.cart-line-total {
  text-align: right;
}

.cart-line-total span,.cart-line-total strong {
  display: block;
}

.cart-line-total span {
  color: var(--muted);
  font-size: .74rem;
}

.cart-line-total strong {
  color: var(--navy);
}

.cart-summary {
  padding: 20px 24px;
  border-top: 1px solid var(--line);
  background: #f7f8fb;
}

.cart-summary>div:not(.cart-actions) {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.grand-total {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 1.2rem;
  color: var(--navy);
}

.commercial-note {
  margin: 14px 0;
  color: var(--muted);
  font-size: .74rem;
  line-height: 1.5;
}

.cart-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.cart-actions .primary-button {
  grid-column: 1/-1;
}

/* Modal y formulario */

.modal {
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal-card {
  position: relative;
  width: min(850px,96vw);
  max-height: 94vh;
  overflow: auto;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transform: translateY(18px);
  transition: transform .2s;
}

.modal.open .modal-card {
  transform: none;
}

#checkout-form {
  padding: 24px;
}

.form-intro {
  margin: 0 0 20px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-grid label {
  display: grid;
  align-content: start;
  gap: 7px;
  color: var(--navy);
  font-size: .78rem;
  font-weight: 800;
}

.form-grid input,.form-grid textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfbfc;
  outline: none;
}

.form-grid textarea {
  resize: vertical;
}

.form-grid [aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px rgba(180,35,43,.12);
}

.field-error {
  min-height: 1.1em;
  color: var(--danger);
  font-size: .72rem;
  font-weight: 650;
}

.wide {
  grid-column: 1/-1;
}

.checkout-preview {
  margin: 20px 0;
  padding: 17px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: #e9eef5;
  border-radius: 8px;
  color: var(--navy);
}

.form-note {
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}

.submit-status {
  min-height: 25px;
  margin: 8px 0;
  font-size: .84rem;
  font-weight: 700;
}

.submit-status.error {
  color: var(--danger);
}

.submit-status.sending {
  color: var(--navy);
}

.success-panel {
  padding: clamp(28px,6vw,60px);
  text-align: center;
}

.success-panel h2 {
  color: var(--navy);
  font-size: clamp(1.7rem,4vw,2.4rem);
}

.success-panel p {
  max-width: 620px;
  margin: 0 auto 25px;
  color: var(--muted);
  line-height: 1.7;
}

.success-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  margin: auto;
  border-radius: 50%;
  background: #dff4e9;
  color: var(--success);
  font-size: 2rem;
  font-weight: 900;
}

/* Toast y feedback */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 120;
  max-width: min(90vw,520px);
  transform: translate(-50%,20px);
  padding: 13px 18px;
  border-radius: 8px;
  color: #fff;
  background: var(--navy);
  opacity: 0;
  visibility: hidden;
  transition: .2s;
  box-shadow: var(--shadow);
  text-align: center;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%,0);
}

/* Footer */

.site-footer {
  padding: clamp(38px,6vw,72px) clamp(18px,5vw,72px) 24px;
  color: #dbe4f2;
  background: #04142f;
}

.footer-grid {
  max-width: 1400px;
  margin: auto;
  display: grid;
  grid-template-columns: 1.1fr .8fr 1.1fr;
  gap: clamp(28px,5vw,70px);
}

.footer-grid h2 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 1rem;
}

.footer-grid p,.footer-grid li {
  color: #adbbd0;
  font-size: .85rem;
  line-height: 1.6;
}

.footer-logo-wrap {
  display: block;
  width: 76px;
  height: 76px;
  overflow: hidden;
  border-radius: 50%;
  background: #000;
}

.footer-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-links,.footer-info {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li,.footer-info li {
  margin-bottom: 9px;
}

.footer-links a {
  display: inline-block;
  min-height: 38px;
  color: #fff;
  text-underline-offset: 4px;
}

.footer-links a:hover {
  color: #ff6a6f;
}

.footer-bottom {
  max-width: 1400px;
  margin: 40px auto 0;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(255,255,255,.13);
  color: #8f9db3;
  font-size: .76rem;
}

/* Utilidades */

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Media queries */

@media (max-width:980px) {
  .product-shell {
    grid-template-columns: 1fr;
  }

  .order-panel {
    position: static;
  }

  .intro-panel {
    grid-template-columns: 1fr;
  }

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

  .footer-grid section:last-child {
    grid-column: 1/-1;
  }
}

@media (max-width:680px) {
  :root {
    --header-height: 66px;
  }

  .topbar {
    padding: 7px 12px;
  }

  .brand-logo-wrap {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
  }

  .brand-caption {
    font-size: .74rem;
  }

  .ghost-button {
    display: none;
  }

  .cart-button {
    padding: 9px 13px;
  }

  .cover {
    margin-top: 12px;
  }

  .realstep-badge {
    padding: 7px 9px;
  }

  .realstep-badge strong {
    font-size: .8rem;
  }

  .cover-actions {
    margin-top: -12px;
    margin-bottom: 32px;
  }

  .cover-cta {
    min-height: 46px;
    padding: 12px 21px;
    font-size: .8rem;
  }

  .intro-panel {
    gap: 24px;
    padding: 24px;
  }

  .commercial-highlights {
    grid-template-columns: 1fr;
  }

  .product-list {
    gap: 18px;
    padding-bottom: 55px;
  }

  .product-shell {
    padding: 9px;
    gap: 9px;
    border-radius: 8px;
  }

  .order-panel {
    padding: 22px 14px;
  }

  .price-grid {
    grid-template-columns: 1fr;
  }

  .drawer-panel {
    width: 100%;
  }

  .drawer-header,.cart-items,.cart-summary {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cart-item-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .cart-line-total {
    text-align: left;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .wide {
    grid-column: auto;
  }

  .checkout-preview {
    flex-direction: column;
  }

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

  .footer-grid section:last-child {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .cart-actions {
    grid-template-columns: 1fr;
  }

  .cart-actions .primary-button {
    grid-column: auto;
  }
}

@media (max-width:360px) {
  .brand-caption {
    max-width: 68px;
    line-height: 1.15;
  }

  .cart-button {
    font-size: .8rem;
  }

  .order-panel {
    padding-inline: 10px;
  }

  .quantity-row {
    grid-template-columns: 46px 1fr 46px;
  }
}

/* Accesibilidad y reducción de movimiento */

:focus-visible {
  outline: 3px solid #58a6ff;
  outline-offset: 3px;
}

.form-grid input:focus-visible,.form-grid textarea:focus-visible {
  outline: 3px solid rgba(16,74,139,.28);
  border-color: var(--navy);
}

@keyframes bump {
  50% {
    transform: scale(1.22);
  }
}

@media (prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto;
  }

  *,*::before,*::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}