Claro, aquí tienes el CSS completo otra vez para pegar en styles.css:

css
:root{
  --bg:#f3eee6;
  --panel:#fffdf8;
  --text:#18212b;
  --muted:#66727d;
  --primary:#4f7662;
  --primary-dark:#355646;
  --accent:#c58a52;
  --line:#e7dbc8;
  --shadow:0 26px 80px rgba(20,25,30,.10);
  --shadow-soft:0 12px 30px rgba(20,25,30,.06);
  --radius-xl:30px;
  --radius-lg:24px;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(79,118,98,.10), transparent 28%),
    radial-gradient(circle at top right, rgba(197,138,82,.10), transparent 24%),
    linear-gradient(180deg,#faf7f0 0%, #f3eee6 40%, #ece4d7 100%);
}

a{
  color:inherit;
  text-decoration:none;
}

.shell{
  max-width:1280px;
  margin:0 auto;
  padding:24px 18px 48px;
}

.topbar{
  position:sticky;
  top:14px;
  z-index:30;
  backdrop-filter:blur(14px);
  background:rgba(255,253,248,.68);
  border:1px solid rgba(231,219,200,.8);
  border-radius:999px;
  padding:10px 14px;
  box-shadow:var(--shadow-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}

.logo{
  width:44px;
  height:44px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary),#6f917f);
  box-shadow:0 10px 26px rgba(79,118,98,.28);
  position:relative;
  flex:0 0 auto;
}

.logo:before,
.logo:after{
  content:'';
  position:absolute;
  background:#fff;
  border-radius:999px;
  opacity:.92;
}

.logo:before{
  width:12px;
  height:12px;
  left:11px;
  top:10px;
  box-shadow:14px 0 0 #fff, 7px 12px 0 #fff;
}

.logo:after{
  width:10px;
  height:10px;
  right:9px;
  bottom:9px;
}

.brand h1{
  font-size:.95rem;
  margin:0;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.brand p{
  margin:2px 0 0;
  color:var(--muted);
  font-size:.82rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nav{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:.94rem;
}

.nav a{
  padding:8px 10px;
  border-radius:999px;
  transition:.18s ease;
}

.nav a:hover{
  background:#fff;
  color:var(--primary-dark);
}

.hero{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:18px;
  margin-top:18px;
  align-items:stretch;
}

.card{
  background:rgba(255,253,248,.8);
  backdrop-filter:blur(10px);
  border:1px solid rgba(231,219,200,.95);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.hero-copy{
  padding:34px 32px 30px;
  position:relative;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 13px;
  border-radius:999px;
  background:#eaf2ec;
  color:var(--primary-dark);
  font-size:.82rem;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.badge:before{
  content:'';
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--primary);
}

.hero h2{
  margin:18px 0 12px;
  font-size:clamp(2.5rem,5vw,5.25rem);
  line-height:.97;
  letter-spacing:-.05em;
  max-width:12ch;
}

.hero .lead{
  margin:0;
  max-width:62ch;
  color:var(--muted);
  font-size:1.05rem;
  line-height:1.75;
}

.cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:24px;
}

.btn{
  border:none;
  cursor:pointer;
  border-radius:16px;
  padding:14px 18px;
  font-weight:800;
  transition:.2s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn.primary{
  background:linear-gradient(135deg,var(--primary),#6f917f);
  color:#fff;
  box-shadow:0 12px 24px rgba(79,118,98,.22);
}

.btn.secondary{
  background:#fff;
  border:1px solid var(--line);
  color:var(--text);
}

.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:26px;
}

.metric{
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px;
}

.metric b{
  display:block;
  color:var(--primary-dark);
  font-size:1.05rem;
  margin-bottom:7px;
}

.metric span{
  display:block;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.5;
}

.hero-note{
  margin-top:18px;
  padding:16px 18px;
  border-radius:20px;
  background:linear-gradient(135deg,#fbf7ef,#efe7d9);
  border:1px solid var(--line);
  color:var(--muted);
}

.hero-note b{
  color:var(--text);
}

.mock{
  padding:16px;
  position:relative;
}

.mock:before{
  content:'';
  position:absolute;
  inset:-10% -10% auto auto;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(79,118,98,.16), rgba(79,118,98,0) 68%);
}

.phone{
  max-width:470px;
  margin-left:auto;
  background:linear-gradient(180deg,#1d2430,#0f141a);
  border-radius:34px;
  padding:14px;
  box-shadow:0 28px 70px rgba(0,0,0,.24);
  position:relative;
}

.screen{
  min-height:820px;
  background:linear-gradient(180deg,#fdfaf4 0%, #f3ead8 100%);
  border-radius:24px;
  padding:16px;
  position:relative;
  overflow:hidden;
}

.screen:after{
  content:'';
  position:absolute;
  left:-12%;
  top:18%;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(79,118,98,.18), rgba(79,118,98,0) 68%);
}

.screen-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  position:relative;
  z-index:1;
}

.appname{
  font-weight:900;
  letter-spacing:.12em;
  color:var(--primary-dark);
  text-transform:uppercase;
}

.chip{
  padding:8px 11px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.76rem;
}

.map{
  margin-top:14px;
  height:260px;
  border-radius:22px;
  border:1px solid #e3d7c6;
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#f8f1e7 0%,#f0e6d3 100%);
}

.map:before,
.map:after{
  content:'';
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(96,104,89,.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(96,104,89,.09) 1px, transparent 1px);
  background-size:36px 36px;
  opacity:.72;
}

.map .zone{
  position:absolute;
  border-radius:50%;
  filter:blur(.2px);
}

.zone.z1{width:76px;height:76px;left:52px;top:48px;background:rgba(79,118,98,.16)}
.zone.z2{width:100px;height:100px;left:158px;top:118px;background:rgba(197,138,82,.16)}
.zone.z3{width:86px;height:86px;right:82px;top:72px;background:rgba(79,118,98,.18)}
.zone.z4{width:88px;height:88px;right:46px;bottom:44px;background:rgba(197,138,82,.14)}

.pin{
  position:absolute;
  width:18px;
  height:18px;
  background:var(--primary);
  transform:rotate(-45deg);
  border-radius:50% 50% 50% 0;
  box-shadow:0 0 0 10px rgba(79,118,98,.12);
  z-index:2;
}

.pin.orange{
  background:var(--accent);
  box-shadow:0 0 0 10px rgba(197,138,82,.12);
}

.pin:after{
  content:'';
  position:absolute;
  left:5px;
  top:5px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#fff;
}

.panel-stack{
  display:grid;
  gap:12px;
  margin-top:14px;
  position:relative;
  z-index:1;
}

.panel{
  background:rgba(255,255,255,.82);
  border:1px solid #efe2cf;
  border-radius:20px;
  padding:15px;
  box-shadow:0 8px 24px rgba(0,0,0,.04);
}

.panel h3{
  margin:0 0 6px;
  font-size:1rem;
}

.panel p{
  margin:0;
  color:var(--muted);
  line-height:1.6;
  font-size:.95rem;
}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:10px;
}

.tag{
  border:1px solid #dce6de;
  background:#edf5ef;
  color:var(--primary-dark);
  border-radius:999px;
  padding:8px 10px;
  font-size:.78rem;
  font-weight:800;
  cursor:pointer;
  transition:.18s ease;
  user-select:none;
}

.tag.active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  transform:translateY(-1px);
}

.section{margin-top:20px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:12px}
.section-head h3{margin:0;font-size:1.38rem;letter-spacing:-.02em}
.section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.6}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:18px;min-height:178px;box-shadow:var(--shadow-soft);position:relative;overflow:hidden}
.feature:before{content:'';position:absolute;right:-22px;top:-22px;width:92px;height:92px;border-radius:50%;background:radial-gradient(circle, rgba(79,118,98,.10), transparent 70%)}
.feature .k{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:var(--primary-dark);background:#edf4ef;padding:7px 10px;border-radius:999px}
.feature h4{margin:12px 0 8px;font-size:1.03rem}
.feature p{margin:0;color:var(--muted);line-height:1.65}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:18px;min-height:200px;box-shadow:var(--shadow-soft)}
.num{width:38px;height:38px;border-radius:999px;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:900;margin-bottom:10px}
.step h4{margin:0 0 8px;font-size:1.01rem}
.step p{margin:0;color:var(--muted);line-height:1.65}
.footer{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow-soft)}
.note h4{margin:0 0 8px;font-size:1rem}
.note p{margin:0;color:var(--muted);line-height:1.65}
.divider{height:1px;background:linear-gradient(90deg, transparent, rgba(104,112,120,.28), transparent);margin-top:20px}
.footbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;color:var(--muted);font-size:.9rem}
@media (max-width:1100px){
  .hero,.grid,.timeline,.footer,.hero-metrics{grid-template-columns:1fr}
  .phone{max-width:none}
  .screen{min-height:auto}
  .topbar{border-radius:22px;align-items:flex-start;flex-direction:column}
  .nav{gap:8px}
  .brand p{white-space:normal}
}