/* Página de servicio: facturación electrónica, TicketBAI, VeriFactu y TPV */
.billing-hero { background: radial-gradient(circle at 82% 23%, rgba(255,216,92,.42), transparent 29%), radial-gradient(circle at 64% 83%, rgba(188,235,220,.55), transparent 32%), var(--paper); }
.billing-hero::after { border-color: rgba(16,60,255,.12); }
.billing-hero .service-title { font-size: clamp(55px,6.1vw,88px); }
.billing-terminal { position: relative; z-index: 2; width: 100%; max-width: 550px; margin-inline: auto; padding: 26px; border: 1px solid rgba(10,21,36,.11); border-radius: 34px; background: rgba(255,255,255,.96); box-shadow: 0 34px 90px rgba(10,36,56,.15); transform: rotate(.7deg); }
.billing-terminal-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.billing-live { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border-radius: 99px; background: #e9f8f1; color: #14724f; font-size: 9px; font-weight: 850; }
.billing-live i { width: 7px; height: 7px; border-radius: 50%; background: #39c686; box-shadow: 0 0 0 5px rgba(57,198,134,.12); }
.billing-screen { margin-top: 17px; padding: 20px; border-radius: 21px; background: #081e2e; color: white; }
.billing-screen-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.billing-screen-head small, .billing-screen-head strong { display: block; }
.billing-screen-head small { color: rgba(255,255,255,.48); font-size: 8px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.billing-screen-head strong { margin-top: 4px; font-size: 16px; }
.billing-screen-head > b { color: var(--yellow); font-size: 28px; letter-spacing: -.04em; }
.billing-screen ul { margin: 20px 0 0; padding: 0; list-style: none; }
.billing-screen li { display: flex; justify-content: space-between; gap: 20px; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.11); color: rgba(255,255,255,.65); font-size: 10px; }
.billing-screen li strong { color: white; }
.billing-screen-action { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding: 12px 14px; border-radius: 12px; background: var(--blue); font-size: 10px; font-weight: 800; }
.billing-screen-action b { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--mint); color: #126348; }
.billing-modules { display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; margin-top: 10px; }
.billing-modules > span { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.billing-modules i { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 11px; background: #eff3ff; color: var(--blue); font-size: 9px; font-style: normal; font-weight: 900; }
.billing-modules small, .billing-modules b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.billing-modules small { margin-top: 11px; color: #7a8590; font-size: 8px; }
.billing-modules b { margin-top: 2px; font-size: 9px; }
.billing-receipt { position: absolute; right: -28px; bottom: -40px; width: 104px; padding: 18px 15px 15px; border-radius: 8px 8px 20px 20px; background: var(--yellow); box-shadow: 0 18px 40px rgba(6,29,45,.15); transform: rotate(5deg); }
.billing-receipt span { display: block; height: 4px; margin-bottom: 8px; border-radius: 9px; background: rgba(7,29,45,.2); }
.billing-receipt span:nth-child(2) { width: 70%; }
.billing-receipt b { display: grid; place-items: center; width: 35px; height: 35px; margin-top: 15px; background: white; color: var(--ink); font-size: 9px; }

.billing-context { background: var(--navy); color: white; }
.billing-context-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 95px; align-items: center; }
.billing-context h2 { max-width: 650px; margin: 0; font-size: clamp(48px,5.8vw,76px); line-height: 1; letter-spacing: -.06em; }
.billing-context h2 span { color: var(--yellow); }
.billing-context-grid > div:first-child > p:last-child { max-width: 560px; margin: 27px 0 0; color: rgba(255,255,255,.63); font-size: 15px; line-height: 1.75; }
.billing-context-list { border-top: 1px solid rgba(255,255,255,.18); }
.billing-context-list article { display: grid; grid-template-columns: auto 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.billing-context-list article > span { color: var(--yellow); font-size: 10px; font-weight: 900; }
.billing-context-list h3 { margin: 0; font-size: 18px; }
.billing-context-list p { margin: 8px 0 0; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.65; }

.billing-solutions { background: white; }
.billing-solutions .split-heading h2 em { color: var(--blue); font-style: normal; }
.billing-solution-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.billing-solution-card { position: relative; min-height: 305px; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: var(--paper); overflow: hidden; }
.billing-solution-card::after { content: ""; position: absolute; right: -52px; bottom: -67px; width: 155px; height: 155px; border: 1px solid rgba(16,60,255,.13); border-radius: 50%; }
.billing-card-number { color: #8b95a0; font-size: 10px; font-weight: 850; }
.billing-card-icon { display: grid; place-items: center; width: 55px; height: 55px; margin: 24px 0 28px; border-radius: 17px; background: white; color: var(--blue); font-size: 14px; font-weight: 900; }
.billing-solution-card h3 { max-width: 280px; margin: 0; font-size: 23px; line-height: 1.14; letter-spacing: -.04em; }
.billing-solution-card p { max-width: 320px; margin: 14px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.billing-solution-card-blue { border-color: transparent; background: var(--blue); color: white; }
.billing-solution-card-blue .billing-card-number, .billing-solution-card-blue p { color: rgba(255,255,255,.7); }
.billing-solution-card-blue .billing-card-icon { background: rgba(255,255,255,.14); color: white; }
.billing-solution-card-blue::after { border-color: rgba(255,255,255,.2); }
.billing-solution-card-yellow { border-color: transparent; background: var(--yellow); }
.billing-solution-card-mint { border-color: transparent; background: var(--mint); }

.billing-sectors { background: var(--paper); }
.billing-sectors-head { display: grid; grid-template-columns: 1fr .48fr; gap: 85px; align-items: end; margin-bottom: 55px; }
.billing-sectors-head h2 { margin: 0; font-size: clamp(44px,5.4vw,70px); line-height: 1.02; letter-spacing: -.06em; }
.billing-sectors-head h2 em { color: var(--blue); font-style: normal; }
.billing-sectors-head > p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.billing-sector-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.billing-sector-grid article { position: relative; min-height: 430px; padding: 30px; border-radius: 28px; overflow: hidden; }
.billing-sector-retail { background: var(--blue); color: white; }
.billing-sector-host { background: var(--yellow); color: var(--ink); }
.billing-sector-service { background: var(--mint); color: var(--ink); }
.billing-sector-label { display: flex; justify-content: space-between; align-items: center; padding-bottom: 22px; border-bottom: 1px solid currentColor; font-size: 10px; text-transform: uppercase; opacity: .75; }
.billing-sector-grid h3 { max-width: 330px; margin: 50px 0 28px; font-size: 29px; line-height: 1.08; letter-spacing: -.045em; }
.billing-sector-grid ul { position: relative; z-index: 2; margin: 0; padding: 0; list-style: none; }
.billing-sector-grid li { padding: 11px 0 11px 22px; border-top: 1px solid currentColor; font-size: 11px; opacity: .78; }
.billing-sector-grid li::before { content: "→"; position: absolute; margin-left: -22px; font-weight: 900; }
.billing-sector-mark { position: absolute; right: -15px; bottom: -55px; font-size: 205px; font-weight: 900; line-height: 1; opacity: .08; }

.billing-stack { background: #071d2d; color: white; }
.billing-stack-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: center; }
.billing-stack-copy h2 { margin: 0; font-size: clamp(47px,5.5vw,72px); line-height: 1; letter-spacing: -.06em; }
.billing-stack-copy h2 span { color: var(--yellow); }
.billing-stack-copy > p:not(.eyebrow) { max-width: 535px; margin: 27px 0 20px; color: rgba(255,255,255,.63); font-size: 15px; line-height: 1.75; }
.billing-stack-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 25px; padding: 28px; border: 1px solid rgba(255,255,255,.14); border-radius: 30px; background: rgba(255,255,255,.05); }
.billing-stack-device { position: relative; display: grid; place-items: center; min-height: 340px; border-radius: 22px; background: rgba(188,235,220,.09); }
.device-screen { position: relative; display: grid; align-content: center; width: 76%; height: 190px; padding: 25px; border: 9px solid #06141e; border-radius: 14px; background: var(--blue); }
.device-screen i { height: 8px; margin: 6px 0; border-radius: 9px; background: rgba(255,255,255,.27); }
.device-screen i:nth-child(2) { width: 72%; }
.device-screen i:nth-child(3) { width: 48%; }
.device-screen b { margin-top: 22px; color: var(--yellow); font-size: 26px; }
.device-base { position: absolute; width: 90px; height: 18px; margin-top: 250px; border-radius: 6px 6px 14px 14px; background: #06141e; }
.billing-stack-items { display: grid; align-content: center; }
.billing-stack-items > span { display: grid; grid-template-columns: auto 1fr; gap: 5px 14px; padding: 19px 0; border-top: 1px solid rgba(255,255,255,.12); }
.billing-stack-items > span:first-child { border-top: 0; }
.billing-stack-items i { grid-row: 1 / 3; color: var(--yellow); font-size: 9px; font-style: normal; font-weight: 900; }
.billing-stack-items b { font-size: 13px; }
.billing-stack-items small { color: rgba(255,255,255,.5); font-size: 10px; }

.billing-time { background: white; }
.billing-time-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 95px; align-items: center; }
.billing-time-card { padding: 28px; border: 1px solid var(--line); border-radius: 30px; background: var(--paper); box-shadow: 0 30px 75px rgba(10,36,56,.08); }
.billing-time-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.billing-time-head b { color: var(--blue); }
.billing-time-clock { display: grid; place-items: center; padding: 36px 20px; }
.billing-time-clock strong { font-size: 62px; letter-spacing: -.06em; }
.billing-time-clock span { margin-top: 7px; color: #14724f; font-size: 10px; font-weight: 800; }
.billing-time-people { display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; }
.billing-time-people > span { padding: 15px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.billing-time-people i { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 50%; background: var(--blue); color: white; font-size: 9px; font-style: normal; font-weight: 900; }
.billing-time-people b, .billing-time-people small { display: block; }
.billing-time-people b { margin-top: 12px; font-size: 10px; }
.billing-time-people small { margin-top: 3px; color: var(--ink-soft); font-size: 9px; }
.billing-time-copy h2 { margin: 0; font-size: clamp(43px,5vw,66px); line-height: 1.02; letter-spacing: -.06em; }
.billing-time-copy > p:not(.eyebrow) { margin: 25px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.billing-time-copy ul { margin: 24px 0 0; padding: 0; list-style: none; }
.billing-time-copy li { position: relative; padding: 12px 0 12px 27px; border-top: 1px solid var(--line); color: #4f5d6b; font-size: 12px; }
.billing-time-copy li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 900; }

.billing-method { background: var(--paper); }
.billing-coverage { background: #0d49e8; }
.billing-related { background: var(--paper); }
.billing-cta h2 { max-width: 930px; }

@media (max-width: 1100px) {
  .billing-context-grid, .billing-stack-grid, .billing-time-grid { gap: 55px; }
  .billing-solution-grid { grid-template-columns: repeat(2,1fr); }
  .billing-stack-panel { grid-template-columns: 1fr; }
  .billing-stack-device { min-height: 280px; }
}
@media (max-width: 900px) {
  .billing-context-grid, .billing-stack-grid, .billing-time-grid { grid-template-columns: 1fr; gap: 50px; }
  .billing-sectors-head { grid-template-columns: 1fr; gap: 24px; }
  .billing-sector-grid { grid-template-columns: 1fr; }
  .billing-sector-grid article { min-height: 350px; }
  .billing-terminal { max-width: 620px; }
  .billing-time-card { order: 2; }
}
@media (max-width: 640px) {
  .billing-hero .service-title { font-size: 47px; }
  .billing-terminal { padding: 19px; border-radius: 25px; transform: rotate(.2deg); }
  .billing-live { display: none; }
  .billing-screen-head > b { font-size: 23px; }
  .billing-modules, .billing-solution-grid, .billing-time-people { grid-template-columns: 1fr; }
  .billing-modules > span { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; align-items: center; }
  .billing-modules i { grid-row: 1 / 3; }
  .billing-receipt { right: -4px; bottom: -55px; }
  .billing-context h2, .billing-stack-copy h2 { font-size: 47px; }
  .billing-solution-card { min-height: 285px; padding: 25px; }
  .billing-sectors-head h2, .billing-time-copy h2 { font-size: 42px; }
  .billing-sector-grid article { min-height: 390px; padding: 25px; }
  .billing-stack-panel { padding: 20px; }
  .billing-time-clock strong { font-size: 50px; }
}