/* SIMMER landing
   Dirección visual: "BRANDING AND INSPO (VIBE)/LAND PAGE" (refs 1-3) adaptada a la marca
   real de SIMMER. Blancos, mucho aire, sans geométrica, botones pill, tarjetas
   redondeadas con sombra suave, mockups de UI flotantes en el hero, sección oscura
   como remate y footer negro.
   Acento: terracota #c2410c, tomado del pase real de Google Wallet y de simmer-site/logo.png.
   Verde menta descartado — se explica en el reporte de la tarea. */

:root {
  /* superficies */
  --canvas: #ffffff;
  --tint: #faf6f3;      /* secciones alternas, muy claras */
  --panel: #ffffff;
  --ink: #17110d;       /* texto principal */
  --ink-2: #4b4038;     /* texto secundario */
  --ink-3: #6d5f54;     /* texto terciario / captions */
  --line: #e8ded6;
  --line-strong: #d8c9bd;

  /* marca */
  --brand: #2563eb;     /* azul del logo */
  --brand-ink: #1e3a8a; /* azul oscuro, para texto sobre blanco (AA) */
  --brand-soft: #eff6ff;
  --gold: #38bdf8;      /* cian del gradiente del icono */

  /* remates oscuros */
  --dark: #0a0a0a;
  --dark-2: #171717;
  --on-dark: #f7f1ec;
  --on-dark-2: #c4b6ab;

  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(23, 17, 13, .06), 0 4px 12px rgba(23, 17, 13, .05);
  --shadow: 0 2px 4px rgba(23, 17, 13, .05), 0 12px 32px rgba(23, 17, 13, .08);
  --shadow-lg: 0 4px 8px rgba(23, 17, 13, .06), 0 24px 60px rgba(23, 17, 13, .12);

  --maxw: 1180px;
  --gutter: 24px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Inter", "Manrope", ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 6.2vw, 3.9rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}
.on-dark :focus-visible, .site-footer :focus-visible { outline-color: var(--gold); }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 18px;
  border-radius: 999px; font-weight: 600; text-decoration: none;
  transition: top .15s ease;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 12px 24px;
  border-radius: 999px; border: 1.5px solid transparent;
  font: inherit; font-weight: 650; font-size: .97rem; line-height: 1.2;
  text-decoration: none; white-space: nowrap;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn-lg { min-height: 52px; padding: 15px 30px; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); transform: translateY(-1px); }
.btn-outline { background: var(--canvas); color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--ink); background: var(--tint); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--tint); }
.btn-invert { background: #fff; color: var(--dark); }
.btn-invert:hover { background: var(--brand-soft); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 20px;
  min-height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  min-height: 44px; padding-right: 6px;
}
.brand-mark { height: 40px; width: auto; border-radius: 10px; }
.brand-name { font-weight: 800; letter-spacing: .12em; font-size: .98rem; }
.site-nav { margin-inline: auto; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
  display: block; padding: 9px 13px; border-radius: 999px;
  text-decoration: none; font-size: .93rem; font-weight: 550; color: var(--ink-2);
}
.site-nav a:hover { background: var(--tint); color: var(--ink); }
.header-cta { display: flex; align-items: center; gap: 8px; }

/* ---------- hero ---------- */
.hero { padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 9vw, 120px); overflow: hidden; }
.hero-grid {
  display: grid; gap: clamp(40px, 6vw, 72px);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); }
}

.hero-logo { margin-bottom: 20px; }
.eyebrow {
  display: inline-block; margin-bottom: 18px;
  font-size: .74rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
  color: var(--brand-ink);
  background: var(--brand-soft);
  padding: 7px 14px; border-radius: 999px;
}
.eyebrow-on-dark { color: #ffd9c4; background: rgba(251, 191, 36, .12); }

.lede {
  margin-top: 22px; max-width: 54ch;
  font-size: clamp(1.02rem, 1.9vw, 1.16rem); color: var(--ink-2);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { margin-top: 16px; font-size: .88rem; color: var(--ink-3); }

.hero-points { margin-top: 34px; display: grid; gap: 10px; }
.hero-points li {
  position: relative; padding-left: 28px;
  font-size: .95rem; color: var(--ink-2);
}
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--brand-soft);
  border: 1.5px solid var(--brand);
}

/* mockups flotantes: puro CSS, sin imágenes, para que pese poco */
.hero-visual { position: relative; min-height: 480px; }
@media (min-width: 1000px) { .hero-visual { min-height: 560px; } }

.mock {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.chat {
  position: relative; z-index: 2;
  width: min(100%, 380px);
  margin-inline: auto;
  overflow: hidden;
}
.chat-head {
  display: flex; align-items: center; gap: 11px;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
  background: var(--tint);
}
.chat-avatar {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 800;
}
.chat-title { display: flex; flex-direction: column; line-height: 1.3; }
.chat-title strong { font-size: .95rem; }
.chat-title span { font-size: .78rem; color: #15803d; font-weight: 600; }
.chat-body {
  display: flex; flex-direction: column; gap: 9px;
  padding: 16px;
  background: #efe7e0;
}
.msg {
  max-width: 86%; padding: 10px 13px;
  border-radius: 14px; font-size: .87rem; line-height: 1.45;
  box-shadow: 0 1px 1px rgba(23, 17, 13, .07);
}
.msg.in { align-self: flex-start; background: #fff; border-bottom-left-radius: 4px; }
.msg.out { align-self: flex-end; background: var(--brand-soft); border-bottom-right-radius: 4px; }
.msg.receipt {
  align-self: flex-end; max-width: 90%;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 13px;
}
.receipt-row {
  display: flex; justify-content: space-between; gap: 14px;
  font-size: .8rem; color: var(--ink-2);
}
.receipt-row + .receipt-row { margin-top: 5px; }
.receipt-row.total {
  margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line-strong);
  font-weight: 750; color: var(--ink);
}
.receipt-link {
  display: inline-block; margin-top: 10px;
  background: var(--brand); color: #fff;
  font-size: .78rem; font-weight: 650;
  padding: 5px 13px; border-radius: 999px;
}

.ticket {
  position: absolute; z-index: 3;
  left: 0; bottom: 8px;
  width: 168px; padding: 14px 16px;
  background: var(--dark); color: var(--on-dark);
  border-color: var(--dark);
}
.ticket-label {
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); font-weight: 700;
}
.ticket-id { font-size: 1.5rem; font-weight: 800; line-height: 1.1; margin-top: 2px; }
.ticket-items { margin-top: 8px; font-size: .78rem; color: var(--on-dark-2); line-height: 1.4; }
.ticket-time { margin-top: 8px; font-size: .72rem; color: var(--gold); font-weight: 600; }

.pill-note {
  position: absolute; z-index: 3; right: 0; top: 34px;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px;
  font-size: .82rem; font-weight: 600;
}
.pill-note .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #15803d; box-shadow: 0 0 0 3px rgba(21, 128, 61, .18);
}

@media (max-width: 999px) {
  .hero-visual { min-height: 0; display: grid; gap: 18px; justify-items: start; }
  .chat { width: 100%; }
  .ticket, .pill-note { position: static; }
  .ticket { width: auto; }
  .pill-note { grid-row: 1; }
}
@media (max-width: 520px) {
  .ticket { width: 100%; }
}

/* ---------- integraciones ---------- */
.integrations { border-block: 1px solid var(--line); background: var(--tint); }
.integrations .container { padding-block: 30px; }
.integrations-lead {
  text-align: center; font-size: .78rem; font-weight: 700;
  letter-spacing: .13em; text-transform: uppercase; color: var(--ink-3);
}
.integrations-list {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px 12px; margin-top: 16px;
}
.integrations-list li {
  font-weight: 700; font-size: 1rem; color: #7a6c60;
  letter-spacing: .01em;
}
.integrations-scope {
  display: block; font-weight: 500; font-size: .74rem;
  color: var(--ink-3); letter-spacing: 0;
}
.integrations-note {
  max-width: 58ch; margin: 16px auto 0;
  text-align: center; font-size: .82rem; color: var(--ink-3);
}

/* ---------- secciones ---------- */
.section { padding-block: clamp(56px, 9vw, 116px); }
.section-tint { background: var(--tint); }
.section-head { max-width: 66ch; margin-bottom: clamp(32px, 5vw, 56px); }
.section-sub { margin-top: 18px; font-size: 1.05rem; color: var(--ink-2); }

/* pasos */
.steps { display: grid; gap: 20px; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px 30px;
  box-shadow: var(--shadow-sm);
}
.step-num {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--ink); color: #fff;
  font-size: .88rem; font-weight: 800; letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}
.step h3 { margin-top: 18px; }
.step p { margin-top: 10px; font-size: .95rem; color: var(--ink-2); }

/* sección oscura */
.section-dark { background: var(--dark); color: var(--on-dark); }
.dark-grid { display: grid; gap: 36px; }
@media (min-width: 900px) { .dark-grid { grid-template-columns: 1.05fr .95fr; gap: 56px; } }
.dark-sub { margin-top: 20px; color: var(--on-dark-2); font-size: 1.05rem; }
.rule-card {
  margin: 30px 0 0; padding: 22px 24px;
  background: rgba(255, 255, 255, .06);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.rule-card p { font-size: 1.12rem; font-weight: 600; line-height: 1.45; }
.dark-note { margin-top: 16px; font-size: .88rem; color: var(--on-dark-2); }
.dark-list { display: grid; gap: 16px; align-content: center; }
.dark-list li {
  background: var(--dark-2); border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-sm); padding: 18px 20px;
  font-size: .95rem; color: var(--on-dark-2);
}
.dark-list strong { display: block; color: var(--on-dark); font-weight: 700; margin-bottom: 3px; }

/* tarjetas */
.cards { display: grid; gap: 18px; }
@media (min-width: 680px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px 28px;
  box-shadow: var(--shadow-sm);
}
.card h3 { font-size: 1.05rem; }
.card p { margin-top: 9px; font-size: .94rem; color: var(--ink-2); }

/* lealtad */
.loyalty-grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) { .loyalty-grid { grid-template-columns: 1.1fr .9fr; gap: 64px; } }
.loyalty-copy h2 { font-size: clamp(1.55rem, 3.2vw, 2.3rem); }
.loyalty-copy > p { margin-top: 18px; color: var(--ink-2); }
.loyalty-copy h3 {
  margin-top: 30px; font-size: .8rem; font-weight: 750;
  letter-spacing: .11em; text-transform: uppercase; color: var(--ink-3);
}
.checklist, .pending-list { margin-top: 14px; display: grid; gap: 11px; }
.checklist li, .pending-list li {
  position: relative; padding-left: 30px; font-size: .96rem; color: var(--ink-2);
}
.checklist li::before, .pending-list li::before {
  position: absolute; left: 0; top: 0; font-weight: 800; font-size: 1rem;
}
.checklist li::before { content: "\2713"; color: #15803d; }
.pending-list li::before { content: "\25CB"; color: var(--brand); }
.fineprint {
  margin-top: 26px; padding: 18px 20px;
  background: var(--brand-soft); border-radius: var(--radius-sm);
  font-size: .93rem; color: #7c2d12;
}
.loyalty-visual { margin: 0; }
.loyalty-visual img {
  border-radius: var(--radius); box-shadow: var(--shadow);
  width: 100%; max-width: 420px; margin-inline: auto;
}
.loyalty-card {
  width: 100%; max-width: 420px; margin-inline: auto;
  border-radius: var(--radius); box-shadow: var(--shadow);
  background: linear-gradient(160deg, #1e3a8a 0%, #0a0a0a 100%);
  padding: 32px 24px; text-align: center;
}
.loyalty-card-title {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em;
  color: var(--gold); text-transform: uppercase;
}
.loyalty-stamps {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 10px; margin: 20px 0;
}
.loyalty-stamps .stamp {
  width: 100%; aspect-ratio: 1; border-radius: 50%;
  border: 2px dashed rgba(56, 189, 248, .4);
  background: rgba(37, 99, 235, .15);
}
.loyalty-logo img { margin-inline: auto; border-radius: 12px; }
.loyalty-brand {
  margin-top: 12px; font-weight: 800; font-size: 1.3rem;
  color: #fff; letter-spacing: .08em;
}
.loyalty-tagline {
  margin-top: 4px; font-size: .72rem; font-weight: 600;
  letter-spacing: .12em; color: var(--gold);
}
.loyalty-visual figcaption {
  margin-top: 14px; text-align: center;
  font-size: .84rem; color: var(--ink-3);
}

/* precios */
.pricing { display: grid; gap: 20px; align-items: start; }
@media (min-width: 820px) { .pricing { grid-template-columns: 1fr 1fr; gap: 24px; } }
.plan {
  position: relative;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 28px 32px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.plan-featured { border-color: var(--brand); box-shadow: var(--shadow); }
.plan-badge {
  display: inline-block; align-self: flex-start; margin-bottom: 14px;
  background: var(--brand); color: #fff;
  font-size: .7rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
}
.plan-name { font-size: 1.02rem; font-weight: 700; color: var(--ink-2); }
.plan-price { margin-top: 10px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.plan-price .amount {
  font-size: clamp(2rem, 5vw, 2.6rem); font-weight: 800; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.plan-price .per { font-size: 1rem; color: var(--ink-3); font-weight: 600; }
.plan-note { margin-top: 8px; font-size: .84rem; color: var(--ink-3); min-height: 2.6em; }
.plan-list { margin: 22px 0 26px; display: grid; gap: 10px; }
.plan-list li {
  position: relative; padding-left: 26px; font-size: .93rem; color: var(--ink-2);
}
.plan-list li::before {
  content: "\2713"; position: absolute; left: 0; top: 0;
  color: var(--brand-ink); font-weight: 800;
}
.plan .btn { margin-top: auto; }

/* CTA final */
.cta-band {
  background: var(--dark); color: var(--on-dark);
  padding-block: clamp(56px, 8vw, 96px);
}
.cta-inner { text-align: center; max-width: 62ch; }
.cta-inner h2 { color: #fff; }
.cta-inner p { margin-top: 18px; color: var(--on-dark-2); font-size: 1.05rem; }
.cta-inner .hero-actions { justify-content: center; }
.cta-inner :focus-visible { outline-color: var(--gold); }

/* footer */
.site-footer { background: #12100e; color: var(--on-dark-2); padding-top: clamp(44px, 6vw, 68px); }
.footer-grid { display: grid; gap: 32px; padding-bottom: 40px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; } }
.footer-brand img { border-radius: 10px; }
.footer-name {
  margin-top: 14px; font-weight: 800; letter-spacing: .12em;
  color: #fff; font-size: .98rem;
}
.footer-blurb { margin-top: 10px; font-size: .92rem; max-width: 34ch; }
.footer-col h2 {
  font-size: .76rem; font-weight: 750; letter-spacing: .12em;
  text-transform: uppercase; color: #fff;
}
.footer-col ul { margin-top: 8px; display: grid; font-size: .92rem; }
.footer-col li a, .footer-col li {
  display: flex; align-items: center; min-height: 44px;
}
.footer-col a { text-decoration: none; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-block: 22px 28px;
}
.footer-bottom p { font-size: .8rem; color: #8d8177; }

/* ---------- responsive header ---------- */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .header-cta { margin-left: auto; }
  .header-cta .btn-ghost { display: none; }
}
@media (max-width: 420px) {
  :root { --gutter: 18px; }
  .header-cta .btn { padding: 10px 18px; font-size: .9rem; }
  .hero-actions .btn { width: 100%; }
}