:root {
  --bg: #FFF7F0;
  --surface: #FFFFFF;
  --ink: #2B1B12;
  --muted: #7A6152;
  --line: rgba(43, 27, 18, 0.10);
  --brand: #C0673A;
  --brand-strong: #A9562D;
  --brand-2: #E7A15E;
  --brand-3: #F4CBA0;
  --grad: linear-gradient(135deg, #C0673A 0%, #E7A15E 55%, #F4CBA0 100%);
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 45px -20px rgba(96, 45, 15, 0.45);
  --shadow-soft: 0 10px 30px -18px rgba(96, 45, 15, 0.40);
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--brand-strong); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
header.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 247, 240, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
}

.brand span { font-size: 1.05rem; }

nav.menu { display: flex; align-items: center; gap: 22px; }

nav.menu a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

nav.menu a:hover { color: var(--brand-strong); }

.burger {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.btn svg { width: 20px; height: 20px; flex: none; }

.btn-primary {
  background: var(--brand-strong);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.85);
  color: var(--brand-strong);
  border-color: var(--line);
}

.btn-ghost:hover { transform: translateY(-2px); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brand-strong);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.7);
  padding: 7px 14px;
  border-radius: 999px;
  box-shadow: 0 8px 20px -12px rgba(60, 25, 8, 0.55);
}

/* Insignia oficial de Google Play */
.play-badge {
  display: inline-block;
  line-height: 0;
  transition: transform 0.15s ease;
}

.play-badge img {
  display: block;
  height: 60px;
  width: auto;
}

.play-badge:hover { transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--grad);
  color: #fff;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 340px at 88% 12%, rgba(255, 255, 255, 0.28), transparent 60%),
    radial-gradient(520px 320px at 6% 96%, rgba(122, 60, 25, 0.30), transparent 62%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 84px;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.2vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 18px 0 14px;
}

.hero p.lead {
  font-size: clamp(1.02rem, 2vw, 1.22rem);
  color: rgba(255, 255, 255, 0.95);
  max-width: 30ch;
  margin: 0 0 28px;
}

.hero .cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero .btn-primary { background: #fff; color: var(--brand-strong); }
.hero .btn-ghost { background: rgba(255, 255, 255, 0.16); color: #fff; border-color: rgba(255, 255, 255, 0.5); }

.note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero .phone {
  justify-self: center;
  width: min(320px, 80vw);
  border-radius: 34px;
  border: 8px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 40px 80px -30px rgba(60, 25, 8, 0.65);
  overflow: hidden;
  background: #fff;
}

.hero .phone img { width: 100%; }

/* ---------- Sections ---------- */
section { padding: 78px 0; }

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--brand);
  margin: 0 0 10px;
}

h2.title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.section-sub { color: var(--muted); max-width: 62ch; margin: 0 0 8px; }

.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* Features */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-soft);
  transition: transform .18s ease, box-shadow .18s ease;
}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.card .ico {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(192, 103, 58, 0.12);
  color: var(--brand-strong);
  font-size: 1.4rem;
  margin-bottom: 14px;
}

.card h3 { margin: 0 0 6px; font-size: 1.12rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }

/* Screens rail */
.rail {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 40px 4px 14px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.rail figure {
  flex: 0 0 auto;
  width: 230px;
  margin: 0;
  scroll-snap-align: center;
}

.rail img {
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  background: #fff;
}

.rail figcaption {
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
}

/* Split section (feature graphic) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.split img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.steps { counter-reset: step; margin: 26px 0 0; padding: 0; list-style: none; }

.steps li {
  position: relative;
  padding-left: 56px;
  margin-bottom: 20px;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.steps strong { display: block; }
.steps span { color: var(--muted); font-size: 0.95rem; }

/* CTA band */
.band {
  background: var(--grad);
  color: #fff;
  border-radius: 32px;
  padding: 54px 40px;
  text-align: center;
  box-shadow: var(--shadow);
}

.band h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin: 0 0 10px; letter-spacing: -0.02em; }
.band p { margin: 0 auto 26px; color: rgba(255, 255, 255, 0.95); max-width: 52ch; }
.band .btn-primary { background: #fff; color: var(--brand-strong); }

/* ---------- Footer ---------- */
footer {
  background: #221410;
  color: #EAD9CD;
  padding: 54px 0 30px;
  margin-top: 70px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}

footer .brand { color: #fff; }
footer h4 { color: #fff; font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 14px; }
footer p { color: #C7B2A4; margin: 12px 0 0; font-size: 0.92rem; max-width: 34ch; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 10px; }
footer a { color: #EAD9CD; text-decoration: none; font-size: 0.94rem; }
footer a:hover { color: #fff; }

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 34px;
  padding-top: 20px;
  font-size: 0.85rem;
  color: #A89285;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Legal pages ---------- */
.legal {
  max-width: 780px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}

.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 6px; }
.legal .updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 30px; }
.legal h2 { font-size: 1.25rem; margin: 34px 0 10px; letter-spacing: -0.01em; }
.legal p, .legal li { color: #4A3A30; }
.legal a { font-weight: 600; }
.legal .back { display: inline-block; margin-bottom: 20px; font-weight: 600; text-decoration: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 34px; padding: 48px 0 60px; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero .cta { justify-content: center; }
  .cards { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 56px 0; }
  .cards { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .burger { display: inline-grid; place-items: center; }
  nav.menu {
    position: absolute;
    top: 64px;
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 10px;
    display: none;
  }
  nav.menu.open { display: flex; }
  nav.menu a { width: 100%; padding: 10px 12px; border-radius: 10px; }
  nav.menu a:hover { background: rgba(192, 103, 58, 0.08); }
  .rail figure { width: 200px; }
}