/* Paginity — sistema visual 2026
   Referencia: landing premium oscura sobre fotografía de paisaje. */

:root {
  --panel: #0b090a;
  --panel-deep: #080708;
  --ink: #f4f3f1;
  --ink-2: #b7b4b2;
  --ink-3: #858184;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);
  --white: #fff;
  --shell-pad: 14px;
  --gutter: 52px;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: #05060a url('hero.jpg') center top / cover fixed no-repeat;
  color: var(--ink);
  padding: var(--shell-pad);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv11', 'ss01';
}

.shell {
  max-width: 1600px;
  margin: 0 auto;
  background: var(--panel);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .55);
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- nav ---------- */
.nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 26px var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); }
.brand img { width: 26px; height: 26px; object-fit: contain; }
.brand span { font-size: 14px; font-weight: 500; letter-spacing: -.02em; }
.nav-links { display: flex; gap: 28px; justify-content: center; padding: 0 34px; }
.nav-links a {
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
  font-size: 12.5px;
  transition: color .18s ease;
}
.nav-links a:hover { color: #fff; }
.nav-right { display: flex; gap: 20px; align-items: center; justify-content: flex-end; padding-left: 18px; }
.nav-right .link {
  color: rgba(255, 255, 255, .86);
  text-decoration: none;
  font-size: 12.5px;
}
.nav-right .link:hover { color: #fff; }

/* ---------- botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--white);
  color: #111;
  font-size: 12.5px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, opacity .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); opacity: .92; }
.btn-ghost {
  background: rgba(255, 255, 255, .13);
  color: #fff;
  border-color: rgba(255, 255, 255, .34);
  backdrop-filter: blur(8px);
}
.btn-lg { padding: 13px 24px; font-size: 13.5px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg,
      rgba(78, 79, 88, .42) 0%,
      rgba(60, 60, 68, .34) 38%,
      rgba(12, 10, 12, .82) 78%,
      var(--panel) 100%),
    url('hero.jpg') center 42% / cover no-repeat;
}
.hero-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 78px var(--gutter) 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 6px;
  background: rgba(10, 10, 14, .42);
  border: 1px solid rgba(255, 255, 255, .22);
  backdrop-filter: blur(10px);
  font-size: 11px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .96);
}
.eyebrow img { width: 13px; height: 13px; object-fit: contain; }
h1 {
  margin: 26px auto 0;
  max-width: 660px;
  font-size: clamp(38px, 4.6vw, 58px);
  font-weight: 300;
  line-height: .99;
  letter-spacing: -.045em;
  color: #f7f6f4;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .4);
}
h1 em { font-style: normal; color: rgba(255, 255, 255, .8); }
.sub {
  margin: 22px auto 0;
  max-width: 500px;
  font-size: 13.5px;
  line-height: 1.62;
  color: rgba(255, 255, 255, .74);
}
.hero-cta { display: flex; gap: 11px; margin-top: 26px; flex-wrap: wrap; justify-content: center; }
.hero-note { margin-top: 20px; font-size: 11.5px; color: rgba(255, 255, 255, .7); letter-spacing: .02em; }

/* fila de clientes */
.clients {
  padding: 0 var(--gutter) 46px;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}
.clients-off { padding-bottom: 46px; }
.clients-label {
  text-align: center;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 22px;
}
.clients-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
  text-align: center;
}
.client {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -.01em;
  color: rgba(255, 255, 255, .66);
  transition: color .2s ease;
}
.client:hover { color: rgba(255, 255, 255, .82); }
.client small { display: block; font-size: 10px; font-weight: 400; letter-spacing: .09em; text-transform: uppercase; color: rgba(255, 255, 255, .45); margin-top: 4px; }

/* ---------- secciones ---------- */
section { position: relative; }
.sec { padding: 84px 0; border-top: 1px solid var(--line); }
.sec-label {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 22px;
}
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 54px; }
.sec-head h2 {
  font-size: clamp(26px, 2.7vw, 34px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -.035em;
  max-width: 460px;
}
.sec-head p { font-size: 13px; line-height: 1.65; color: var(--ink-2); max-width: 430px; }

/* ---------- como funciona ---------- */
.how { display: grid; grid-template-columns: .92fr 1.08fr; gap: 58px; align-items: start; }
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 34px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,.08));
}
.step { position: relative; padding-bottom: 30px; }
.step::before {
  content: '';
  position: absolute;
  left: -30px; top: 3px;
  width: 15px; height: 15px;
  background: var(--ink);
  border-radius: 2px;
}
.step:not(:last-of-type)::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, .11);
}
.step h3 { font-size: 14px; font-weight: 500; letter-spacing: -.01em; margin-bottom: 7px; }
.step p { font-size: 11.5px; line-height: 1.6; color: var(--ink-3); max-width: 330px; }
.how .btn { margin-top: 8px; }

/* mockup dashboard */
.mock {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: #0e0d10;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
}
.mock-top {
  height: 118px;
  background: linear-gradient(180deg, rgba(20,22,28,.2), rgba(11,9,10,.94)), url('hero.jpg') center 30% / cover;
  display: flex; align-items: flex-end;
  padding: 14px 16px;
}
.mock-top .t { font-size: 13px; font-weight: 500; }
.mock-top .s { font-size: 10px; color: var(--ink-3); margin-top: 2px; }
.mock-body { display: grid; grid-template-columns: 128px 1fr; min-height: 268px; }
.mock-side { border-right: 1px solid var(--line); padding: 14px 12px; }
.mock-side .item { font-size: 10.5px; color: var(--ink-3); padding: 6px 8px; border-radius: 5px; }
.mock-side .item.on { background: rgba(255, 255, 255, .07); color: var(--ink); }
.mock-main { padding: 14px 16px; }
.mock-row {
  display: grid; grid-template-columns: 1.4fr 1fr .8fr;
  gap: 10px; padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 10.5px; color: var(--ink-2);
  align-items: center;
}
.mock-row.head { color: var(--ink-3); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; border-bottom-color: var(--line-2); }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 9px; letter-spacing: .04em; }
.pill.ok { background: rgba(34, 197, 94, .14); color: #86efac; }
.pill.wait { background: rgba(234, 179, 8, .14); color: #fde68a; }
.pill.new { background: rgba(59, 130, 246, .16); color: #93c5fd; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.mock-stat { border: 1px solid var(--line); border-radius: 7px; padding: 9px 10px; }
.mock-stat b { display: block; font-size: 15px; font-weight: 500; letter-spacing: -.02em; }
.mock-stat span { font-size: 9px; color: var(--ink-3); letter-spacing: .06em; text-transform: uppercase; }

/* ---------- precios ---------- */
.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.price {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 24px 28px;
  background: rgba(255, 255, 255, .018);
  display: flex; flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
.price:hover { border-color: var(--line-2); transform: translateY(-2px); }
.price.pop { background: rgba(255, 255, 255, .055); border-color: rgba(255, 255, 255, .34); position: relative; }
.pop-badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: #fff; color: #111; font-size: 9.5px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px; white-space: nowrap;
}
.price { position: relative; }
.price .tag { font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.price.pop .tag { color: #fff; }
.price h3 { font-size: 17px; font-weight: 500; margin: 12px 0 4px; letter-spacing: -.02em; }
.price .amount { font-size: 30px; font-weight: 300; letter-spacing: -.04em; margin: 10px 0 4px; }
.price .amount small { font-size: 12px; color: var(--ink-3); letter-spacing: 0; }
.price .desc { font-size: 11.5px; line-height: 1.6; color: var(--ink-3); margin-bottom: 18px; min-height: 54px; }
.price ul { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.price li { font-size: 11.5px; line-height: 1.5; color: var(--ink-2); padding-left: 18px; position: relative; }
.price li::before {
  content: ''; position: absolute; left: 0; top: 6px;
  width: 5px; height: 5px; border-radius: 50%; background: rgba(255, 255, 255, .45);
}
.price li.lead { color: var(--ink); font-weight: 500; padding-left: 0; }
.price li.lead::before { display: none; }
.price .btn { margin-top: auto; justify-content: center; }
.price-note { text-align: center; margin-top: 32px; font-size: 12px; color: var(--ink-3); }
.price-note a { color: var(--ink); }

/* ---------- proyectos ---------- */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.project {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, .02);
  transition: border-color .2s ease;
}
.project:hover { border-color: var(--line-2); }
.project .shot { aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--line); }
.project .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.project .body { padding: 20px 22px 24px; }
.project h3 { font-size: 16px; font-weight: 500; letter-spacing: -.02em; }
.project .meta { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 6px 0 12px; }
.project p { font-size: 12px; line-height: 1.62; color: var(--ink-2); margin-bottom: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chip { font-size: 9.5px; letter-spacing: .06em; padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-2); }
.project a.visit { font-size: 12px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-2); padding-bottom: 2px; }

/* ---------- razones ---------- */
.reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.reason { background: var(--panel); padding: 26px 24px 30px; }
.reason .n { font-size: 10px; letter-spacing: .16em; color: var(--ink-3); }
.reason h3 { font-size: 14px; font-weight: 500; margin: 14px 0 8px; letter-spacing: -.01em; }
.reason p { font-size: 11.5px; line-height: 1.62; color: var(--ink-3); }

/* ---------- faq ---------- */
.faq { max-width: 780px; }
details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
details summary {
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 400;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--ink);
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: '+'; font-size: 17px; color: var(--ink-3); font-weight: 300; }
details[open] summary::after { content: '−'; }
details p { font-size: 12.5px; line-height: 1.7; color: var(--ink-2); margin-top: 12px; max-width: 640px; }

/* ---------- cta final ---------- */
.cta-final {
  text-align: center;
  padding: 96px var(--gutter);
  background:
    linear-gradient(180deg, var(--panel) 0%, rgba(10, 9, 11, .72) 46%, rgba(8, 7, 9, .95) 100%),
    url('hero.jpg') center 62% / cover no-repeat;
  border-top: 1px solid var(--line);
}
.cta-final h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 300; letter-spacing: -.04em; line-height: 1.04; max-width: 560px; margin: 0 auto; }
.cta-final p { font-size: 13px; color: rgba(255, 255, 255, .72); margin: 18px auto 26px; max-width: 440px; line-height: 1.6; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); background: var(--panel-deep); }
.foot {
  max-width: var(--max); margin: 0 auto; padding: 36px var(--gutter);
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.foot .brand span { font-size: 13px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot a { color: var(--ink-3); text-decoration: none; font-size: 11.5px; }
.foot a:hover { color: var(--ink); }
.foot .copy { font-size: 11px; color: #5b5759; }

/* ---------- pagina de cobro ---------- */
.pay-hero {
  background:
    linear-gradient(180deg, rgba(70,72,80,.4) 0%, rgba(14,12,14,.9) 72%, var(--panel) 100%),
    url('hero.jpg') center 40% / cover no-repeat;
  padding: 0 0 60px;
}
.pay-hero .nav { margin-bottom: 40px; }
.pay-head { text-align: center; padding: 0 var(--gutter); }
.pay-head h1 { font-size: clamp(28px, 3.4vw, 40px); margin-top: 18px; }
.pay-wrap { max-width: 620px; margin: -34px auto 0; padding: 0 var(--gutter) 80px; position: relative; z-index: 3; }
.pay-card {
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: #100e11;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
  overflow: hidden;
}
.pay-card .top { padding: 26px 28px 22px; border-bottom: 1px solid var(--line); }
.pay-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 10px; letter-spacing: .13em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px;
}
.pay-status.pendiente { background: rgba(234, 179, 8, .13); color: #fde68a; }
.pay-status.pagado { background: rgba(34, 197, 94, .14); color: #86efac; }
.pay-status.vencido { background: rgba(239, 68, 68, .14); color: #fca5a5; }
.pay-card h2 { font-size: 19px; font-weight: 500; letter-spacing: -.025em; margin: 14px 0 6px; }
.pay-card .cliente { font-size: 12.5px; color: var(--ink-3); }
.pay-amount { padding: 24px 28px; display: flex; align-items: baseline; justify-content: space-between; border-bottom: 1px solid var(--line); }
.pay-amount .n { font-size: 40px; font-weight: 300; letter-spacing: -.045em; }
.pay-amount .n span { font-size: 14px; color: var(--ink-3); margin-left: 6px; letter-spacing: 0; }
.pay-amount .venc { font-size: 11.5px; color: #a6a1a3; text-align: right; line-height: 1.55; }
.pay-detail { padding: 22px 28px; border-bottom: 1px solid var(--line); }
.pay-detail h4 { font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.pay-detail ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.pay-detail li { font-size: 12px; line-height: 1.5; color: var(--ink-2); padding-left: 16px; position: relative; }
.pay-detail li::before { content: ''; position: absolute; left: 0; top: 6px; width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.4); }
.pay-meta { padding: 18px 28px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; border-bottom: 1px solid var(--line); }
.pay-meta div { font-size: 11.5px; }
.pay-meta .k { color: var(--ink-3); display: block; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 3px; }
.pay-actions { padding: 24px 28px 26px; }
.pay-actions .btn { width: 100%; justify-content: center; font-size: 14px; padding: 15px 24px; }
.pay-secure { text-align: center; font-size: 11px; color: #9c9799; margin-top: 14px; line-height: 1.6; }
.pay-alt { margin-top: 20px; padding-top: 20px; border-top: 1px dashed var(--line-2); }
.pay-alt h4 { font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.pay-alt .row { display: flex; justify-content: space-between; font-size: 11.5px; padding: 4px 0; color: var(--ink-2); }
.pay-alt .row b { font-weight: 500; color: var(--ink); font-variant-numeric: tabular-nums; }
.pay-help { text-align: center; margin-top: 24px; font-size: 12px; color: var(--ink-3); }
.pay-help a { color: var(--ink); }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.rv.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  :root { --gutter: 26px; }
  .nav { grid-template-columns: auto 1fr; }
  .nav-links { display: none; }
  .sec-head { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .how { grid-template-columns: 1fr; gap: 40px; }
  .prices, .projects, .reasons { grid-template-columns: 1fr; }
  .reasons { border-radius: 12px; }
  .hero { min-height: 560px; }
  .client { font-size: 13.5px; }
  .client small { font-size: 9.5px; color: rgba(255, 255, 255, .55); letter-spacing: .06em; }
  .clients-row { gap: 14px; }
  .hero-body { padding-top: 54px; }
  .sec { padding: 62px 0; }
  .clients-row { gap: 26px; }
}
@media (max-width: 560px) {
  body { padding: 8px; }
  .nav-right .link { display: none; }
  h1 { font-size: 33px; }
  .pay-amount { flex-direction: column; gap: 10px; align-items: flex-start; }
  .pay-amount .venc { text-align: left; }
  .pay-meta { grid-template-columns: 1fr; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
}