:root {
  --verde: #2f5d3a;
  --verde-osc: #234a2d;
  --verde-profundo: #1f3d27;
  --tierra: #3b2a1e;
  --crema: #f6f1e8;
  --crema-osc: #ece4d6;
  --linea: #d9cfbf;
  --texto: #1d1a16;
  --suave: #6b6257;
  --blanco: #fffdf8;
  --radio: 16px;
  --max: 1120px;
  --shadow: 0 18px 50px rgba(31, 21, 12, .28);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  background: var(--crema);
  color: var(--texto);
  font: 17px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input { font: inherit; color: inherit; }

/* ——— Header ——— */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--max);
  margin: 0 auto;
  padding: calc(12px + env(safe-area-inset-top, 0px)) 24px 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .01em;
  min-width: 0;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--verde);
  flex: none;
  box-shadow: 0 1px 4px rgba(0,0,0,.25);
}
.header-instalar {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border: 1.5px solid rgba(255,255,255,.45);
  border-radius: 12px;
  padding: 8px 14px;
  white-space: nowrap;
}
.header-instalar:hover { background: rgba(255,255,255,.12); }

/* ——— Hero ——— */
.hero {
  background: linear-gradient(160deg, #2f5e3a 0%, #1f3d27 100%);
  color: #fff;
  padding: calc(88px + env(safe-area-inset-top, 0px)) 24px 64px;
  overflow: visible;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr minmax(400px, 500px);
  gap: 48px 40px;
  align-items: center;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
}
.hero .sub {
  margin: 0 0 28px;
  font-size: 19px;
  line-height: 1.4;
  color: #e8f0e9;
  max-width: 38em;
  font-weight: 450;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  padding: 12px 28px;
  border-radius: 16px;
  border: 0;
  background: #fff;
  color: var(--verde);
  font-weight: 800;
  font-size: 18px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
}
.btn:hover { background: #f6f1e8; }
.btn:active { transform: scale(.98); }
.hero-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.hero-note {
  margin: 0;
  font-size: 14px;
  color: #c5d6c8;
  font-weight: 500;
}

/* Phone frames */
.phones {
  position: relative;
  height: 640px;
  width: 100%;
  margin: 0 auto;
}
.phone {
  position: absolute;
  margin: 0;
  width: 280px;
  aspect-ratio: 390 / 844;
  background: #1a1410;
  border-radius: 38px;
  padding: 10px;
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.12);
}
.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
  background: var(--crema);
}
.phone.front {
  right: 0;
  top: 0;
  z-index: 2;
}
.phone.back {
  left: 0;
  top: 48px;
  z-index: 1;
  transform: rotate(-7deg);
}

/* ——— Sections ——— */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 72px 0; }
section h2 {
  margin: 0 0 28px;
  font-size: 26px;
  color: var(--tierra);
  letter-spacing: -.01em;
  text-align: center;
  font-weight: 800;
}

/* Features */
.features { background: var(--crema); padding-top: 64px; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--blanco);
  border: 1.5px solid var(--linea);
  border-radius: var(--radio);
  padding: 20px 20px 22px;
  min-width: 0;
}
.card .ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #e6efe7;
  color: var(--verde);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.card .ico svg { width: 22px; height: 22px; display: block; }
.card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--tierra);
}
.card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.4;
  color: var(--suave);
}

/* Install */
.install { background: var(--crema-osc); }
.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.col {
  background: var(--blanco);
  border: 1.5px solid var(--linea);
  border-radius: 20px;
  padding: 24px 24px 20px;
  min-width: 0;
}
.col h3 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 800;
  color: var(--tierra);
  display: flex;
  align-items: center;
  gap: 10px;
}
.col h3 svg { flex: none; }
.pasos {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pasos li {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 16px;
  line-height: 1.35;
  color: var(--texto);
}
.n {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--verde);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Signup */
.aviso { background: var(--crema); }
.aviso-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--blanco);
  border: 1.5px solid var(--linea);
  border-radius: 24px;
  padding: 32px 28px 28px;
}
.aviso-card h2 { margin-bottom: 8px; }
.aviso-card .lead {
  margin: 0 0 22px;
  text-align: center;
  color: var(--suave);
  font-size: 15px;
}
.aviso-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.aviso-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--suave);
}
.aviso-card input {
  width: 100%;
  border: 2px solid var(--linea);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
  font-size: 17px;
  color: var(--texto);
}
.aviso-card input:focus {
  outline: none;
  border-color: var(--verde);
}
.aviso-card .btn {
  background: var(--verde);
  color: #fff;
  box-shadow: none;
  width: 100%;
  margin-top: 6px;
}
.aviso-card .btn:hover { background: var(--verde-osc); }
.aviso-msg {
  margin: 10px 0 0;
  text-align: center;
  font-size: 14px;
  color: var(--suave);
  min-height: 1.3em;
}
.aviso-msg.ok { color: var(--verde); font-weight: 600; }

/* Footer */
.site-footer {
  background: var(--tierra);
  color: #efe6d8;
  padding: 36px 24px calc(28px + env(safe-area-inset-bottom, 0px));
  text-align: center;
}
.site-footer a { color: #efe6d8; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.foot-mail {
  display: inline-block;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 14px;
}
.socials {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}
.socials a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1.5px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #efe6d8;
  text-decoration: none;
}
.socials a:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.socials svg { width: 18px; height: 18px; display: block; }
.handle {
  display: block;
  font-size: 14px;
  color: #cbbba6;
  margin: -6px 0 14px;
}
.tagline {
  margin: 0;
  font-size: 14px;
  color: #cbbba6;
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-actions { align-items: center; }
  .hero .sub { margin-left: auto; margin-right: auto; }
  .phones { height: 600px; width: min(420px, 100%); }
  .phone { width: 250px; }
  .phone.front { right: 8px; left: auto; top: 0; }
  .phone.back { left: 0; right: auto; top: 36px; transform: rotate(-7deg); }
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .site-header { padding-left: 16px; padding-right: 16px; }
  .hero { padding: calc(72px + env(safe-area-inset-top, 0px)) 16px 0; }
  .hero h1 { font-size: 30px; margin-bottom: 10px; }
  .hero .sub { font-size: 17px; margin-bottom: 20px; }
  .hero-actions { gap: 8px; }
  .wrap { padding: 0 16px; }
  section { padding: 52px 0; }
  .features { padding-top: 64px; }
  .grid, .cols { grid-template-columns: 1fr; }
  .phones { height: auto; width: 100%; display: flex; justify-content: center; margin-bottom: -28px; }
  .phone.back { display: none; }
  .phone.front {
    position: relative;
    left: auto;
    right: auto;
    top: 0;
    transform: none;
    width: min(248px, 70vw);
  }
  .aviso-card { padding: 26px 18px 22px; }
  section h2 { font-size: 24px; }
}

.aviso-card .hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.aviso-msg.err { color: #8a2b2b; font-weight: 600; }