:root {
  --bg: #071422;
  --bg-soft: #0d1f33;
  --surface: rgba(255,255,255,0.06);
  --surface-strong: rgba(255,255,255,0.1);
  --text: #f3f7fb;
  --muted: #aab8c6;
  --blue: #1ea7ff;
  --blue-deep: #0b66c3;
  --orange: #ff8a1f;
  --orange-deep: #ff5e00;
  --green: #25D366;
  --green-deep: #149b49;
  --line: rgba(255,255,255,0.1);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(30,167,255,.16), transparent 30%),
    radial-gradient(circle at top right, rgba(255,138,31,.16), transparent 24%),
    linear-gradient(180deg, #06101b 0%, #091726 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1140px, calc(100% - 2rem)); margin: 0 auto; }

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 20, 34, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-weight: 700;
}
.brand img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 10px 20px rgba(0,0,0,.25);
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.nav nav a { color: var(--muted); }
.nav nav a:hover { color: var(--text); }

.hero {
  padding: 5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 2rem;
  align-items: center;
}
.eyebrow, .section-tag {
  display: inline-block;
  color: #9fd7ff;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: .85rem;
}
.hero h1, .section h2 {
  margin: 0 0 1rem;
  line-height: 1.05;
}
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  max-width: 12ch;
}
.hero h1 span {
  background: linear-gradient(90deg, var(--blue), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-text {
  color: var(--muted);
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin: 1.75rem 0 2rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: white;
  padding: .95rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.08);
  transition: transform .25s ease, opacity .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
  box-shadow: none;
}
.btn-sm { padding: .72rem 1rem; }
.btn-full { width: 100%; border: none; cursor: pointer; }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.hero-metrics div,
.card,
.glass-card,
.feature-item,
.step,
.contact-form,
.cta-box,
.success-card,
.whatsapp-prompt {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-metrics div {
  padding: 1rem;
}
.hero-metrics strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: .4rem;
}
.hero-metrics span { color: var(--muted); font-size: .92rem; }

.hero-card {
  position: relative;
  padding: 2rem;
  border-radius: 30px;
  min-height: 540px;
  background:
    radial-gradient(circle at center, rgba(255,138,31,.14), transparent 25%),
    radial-gradient(circle at top left, rgba(30,167,255,.16), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid var(--line);
}
.hero-card > img {
  width: min(100%, 420px);
  margin: 0 auto 1.5rem;
  border-radius: 24px;
}
.glass-card {
  padding: 1.5rem;
  backdrop-filter: blur(10px);
}
.glass-card h3 { margin-top: 0; }
.glass-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.8;
}

.section { padding: 4.5rem 0; }
.section-dark {
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.03));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
.section p { color: var(--muted); line-height: 1.75; }
.section-intro { max-width: 72ch; }

.cards,
.success-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2rem;
}
.card,
.success-card {
  padding: 1.4rem;
}
.card h3,
.success-card h3 { margin-top: 0; margin-bottom: .8rem; }
.success-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.success-badge {
  display: inline-flex;
  align-items: center;
  padding: .45rem .8rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  background: rgba(30,167,255,.14);
  color: #9fd7ff;
  border: 1px solid rgba(159,215,255,.18);
}
.success-card ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.8;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.feature-list {
  display: grid;
  gap: 1rem;
}
.feature-item { padding: 1.3rem; }
.feature-item h3 { margin-top: 0; }

.steps {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.step { padding: 1.4rem; }
.step span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  font-weight: 800;
  margin-bottom: .9rem;
}
.step h3 { margin: 0 0 .6rem; }

.cta-box {
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(30,167,255,.15), rgba(255,138,31,.12));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 2rem;
}
.contact-data p { margin: .4rem 0; }
.contact-data a { color: #9fd7ff; }

.contact-form {
  padding: 1.4rem;
}
.contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 1rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: .45rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: .95rem 1rem;
  font: inherit;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #8ea0b0; }
.form-actions {
  display: grid;
  gap: .85rem;
}
.form-note {
  font-size: .92rem;
  margin-top: 1rem;
}
.form-alert {
  display: none;
  margin-top: 1rem;
  padding: .95rem 1rem;
  border-radius: 14px;
  font-weight: 600;
}
.form-alert.success {
  display: block;
  background: rgba(37,211,102,.12);
  border: 1px solid rgba(37,211,102,.28);
  color: #a6f1c2;
}
.form-alert.error {
  display: block;
  background: rgba(255,94,0,.12);
  border: 1px solid rgba(255,94,0,.28);
  color: #ffc7a0;
}

.footer {
  padding: 1.3rem 0 2.2rem;
  border-top: 1px solid var(--line);
}
.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer p { color: var(--muted); margin: 0; }

.whatsapp-button {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  padding: .95rem 1.15rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  color: #fff;
  box-shadow: 0 18px 34px rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.12);
}
.whatsapp-button:hover {
  transform: translateY(-2px) scale(1.01);
}
.whatsapp-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.15);
  font-size: 1.2rem;
}
.whatsapp-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.whatsapp-text-wrap small {
  color: rgba(255,255,255,.84);
  margin-top: .2rem;
}

.whatsapp-prompt {
  position: fixed;
  right: 24px;
  bottom: 100px;
  z-index: 999;
  width: min(320px, calc(100% - 2rem));
  padding: 1rem 1rem 1rem 1.1rem;
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .35s ease, transform .35s ease;
}
.whatsapp-prompt.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.whatsapp-prompt p {
  margin: 0 0 .75rem;
  color: var(--text);
  line-height: 1.5;
}
.whatsapp-prompt a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1rem;
  border-radius: 999px;
  background: rgba(37,211,102,.16);
  border: 1px solid rgba(37,211,102,.3);
  color: #c7ffd9;
  font-weight: 700;
}
.whatsapp-prompt-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.08);
  color: var(--text);
  cursor: pointer;
}

@media (max-width: 980px) {
  .hero-grid,
  .two-col,
  .contact-grid,
  .cta-box,
  .cards,
  .steps,
  .success-grid {
    grid-template-columns: 1fr;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
  }
  .nav {
    flex-direction: column;
    align-items: flex-start;
    padding: .8rem 0;
  }
  .nav nav {
    width: 100%;
  }
  .hero-card { min-height: auto; }
}

@media (max-width: 640px) {
  .whatsapp-button {
    left: 16px;
    right: 16px;
    bottom: 16px;
    justify-content: center;
  }
  .whatsapp-prompt {
    right: 16px;
    left: 16px;
    bottom: 90px;
    width: auto;
  }
}