:root {
  --bg: #f4f4f5;
  --surface: #ffffff;
  --text: #1c1d1f;
  --muted: #5d6066;
  --line: #d9dadd;
  --graphite: #2b2d31;
  --steel: #8a8f98;
  --accent: #3d4148;
  --radius: 10px;
  --max: 1100px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

h1,
h2,
h3,
.brand__name {
  font-family: "Science Gothic", "Inter", sans-serif;
  line-height: 1.15;
}

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  background: rgba(244, 244, 245, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand__logo {
  height: 44px;
  width: auto;
}
.brand__name {
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
}
.nav__links a:not(.btn):hover {
  color: var(--muted);
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--graphite);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background 0.2s;
}
.btn:hover {
  background: var(--accent);
}
.btn--small {
  padding: 8px 16px;
}
.btn--ghost {
  background: transparent;
  color: var(--graphite);
  border: 1px solid var(--graphite);
}
.btn--ghost:hover {
  background: var(--graphite);
  color: #fff;
}

/* Hero */
.hero {
  padding: 110px 0 90px;
  background:
    radial-gradient(
      circle at 85% 20%,
      rgba(138, 143, 152, 0.18),
      transparent 45%
    ),
    linear-gradient(180deg, var(--bg), #e9e9eb);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  color: var(--steel);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  margin-bottom: 20px;
}
.hero h1 span {
  color: var(--steel);
  font-size: clamp(2rem, 5vw, 3rem);
}
.hero__lead {
  max-width: 560px;
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 32px;
}
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Sections */
.section {
  padding: 80px 0;
}
.section--alt {
  background: var(--graphite);
  color: #e8e9eb;
}
.section h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin-bottom: 36px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.card p {
  color: var(--muted);
  font-size: 0.97rem;
}

.steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.steps li {
  counter-increment: step;
  border-top: 2px solid var(--steel);
  padding-top: 16px;
}
.steps li::before {
  content: "0" counter(step);
  display: block;
  font-family: "Science Gothic", sans-serif;
  font-size: 1.6rem;
  color: var(--steel);
  margin-bottom: 8px;
}
.steps strong {
  color: #fff;
}

/* Promo hosting */
.promo {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  background:
    radial-gradient(
      circle at 10% 0%,
      rgba(255, 255, 255, 0.12),
      transparent 40%
    ),
    linear-gradient(135deg, #3a3d43 0%, #1f2024 100%);
  color: #e8e9eb;
  border-radius: 18px;
  padding: 64px 48px 48px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}
.promo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 40%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 60%
  );
  pointer-events: none;
}
.promo__badge {
  position: absolute;
  top: 24px;
  left: 48px;
  background: linear-gradient(90deg, #d9dbe0, #9da2ab);
  color: #1f2024;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 6px 14px;
  border-radius: 999px;
}
.promo h2 {
  color: #fff;
  margin-bottom: 24px;
}
.promo__list {
  list-style: none;
  display: grid;
  gap: 10px;
  color: #c9ccd1;
  font-size: 1.02rem;
}
.promo__list li::before {
  content: "✓";
  color: #fff;
  font-weight: 600;
  margin-right: 12px;
}

.promo__price {
  position: relative;
  z-index: 1;
  background: var(--surface);
  color: var(--text);
  border-radius: 14px;
  padding: 32px 28px;
  text-align: center;
}
.promo__amount {
  font-family: "Science Gothic", sans-serif;
  font-size: clamp(4rem, 9vw, 5.5rem);
  line-height: 1;
  color: var(--graphite);
}
.promo__currency {
  font-size: 0.45em;
  vertical-align: super;
  margin-left: 4px;
}
.promo__period {
  font-weight: 600;
  font-size: 1.05rem;
  margin-top: 8px;
}
.promo__note {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 14px 0 28px;
  line-height: 1.45;
}
.btn--promo {
  display: block;
  width: 100%;
  padding: 16px 22px;
  font-size: 1.05rem;
  font-weight: 600;
}

@media (max-width: 760px) {
  .promo {
    grid-template-columns: 1fr;
    padding: 80px 24px 24px;
    gap: 28px;
  }
  .promo__badge {
    left: 24px;
  }
}

.contact {
  text-align: center;
}
.contact p {
  color: var(--muted);
  margin-bottom: 24px;
}
.section--alt .contact p {
  color: #b9bcc2;
}
.section--alt .btn {
  background: #fff;
  color: var(--graphite);
}
.section--alt .btn:hover {
  background: #e2e3e6;
}

/* Legal pages */
.legal {
  max-width: 760px;
}
.legal h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin-bottom: 8px;
}
.legal__updated {
  color: var(--steel);
  font-size: 0.9rem;
  margin-bottom: 40px;
}
.legal h2 {
  font-size: 1.25rem;
  margin: 36px 0 12px;
}
.legal p,
.legal li {
  color: var(--muted);
  margin-bottom: 12px;
}
.legal ul {
  padding-left: 20px;
}
.legal strong {
  color: var(--text);
}
.legal a {
  text-decoration: underline;
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer nav {
  display: flex;
  gap: 18px;
}
.footer a:hover {
  color: var(--text);
}

@media (max-width: 640px) {
  .nav__links a:not(.btn) {
    display: none;
  }
  .hero {
    padding: 80px 0 64px;
  }
}

/* Acento naranja (incandescencia del tungsteno) */
:root {
  --hot: #ea580c;
  --hot-dark: #c2410c;
}
/* Hero oscuro */
.hero {
  background:
    radial-gradient(circle at 88% 12%, rgba(234, 88, 12, 0.3), transparent 45%),
    radial-gradient(
      circle at 10% 0%,
      rgba(255, 255, 255, 0.1),
      transparent 40%
    ),
    linear-gradient(135deg, #3a3d43 0%, #1f2024 100%);
  color: #e8e9eb;
}
.hero h1 {
  color: #fff;
}
.hero__lead {
  color: #c9ccd1;
}
.hero .eyebrow {
  color: #9da2ab;
}
.hero .btn {
  background: #fff;
  color: var(--graphite);
}
.hero .btn:hover {
  background: #e2e3e6;
}
.hero .btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}
.hero .btn--ghost:hover {
  background: #fff;
  color: var(--graphite);
}
.hero h1::before {
  content: "";
  display: block;
  width: 72px;
  height: 5px;
  border-radius: 3px;
  background: var(--hot);
  margin-bottom: 24px;
}
.hero h1 span {
  color: var(--hot);
}
.steps li {
  border-top-color: var(--hot);
}
.steps li::before {
  color: var(--hot);
}
/* Promo clara */
.promo {
  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(234, 88, 12, 0.18),
      transparent 45%
    ),
    linear-gradient(180deg, #ffffff, #ececee);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}
.promo::after {
  display: none;
}
.promo h2 {
  color: var(--text);
}
.promo__list {
  color: var(--muted);
}
.promo__price {
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}
.promo__badge {
  background: var(--hot);
  color: #fff;
}
.promo__list li::before {
  color: var(--hot);
}
.btn--promo {
  background: var(--hot);
}
.btn--promo:hover {
  background: var(--hot-dark);
}

/* Contacto en dos columnas */
.contact--split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
  row-gap: 0;
  text-align: left;
}
.contact--split h2 {
  margin-bottom: 16px;
}
.contact__eyebrow {
  grid-column: 1 / -1;
  color: #9da2ab;
}
.contact--split p:not(.eyebrow) {
  color: #c9ccd1;
  margin-bottom: 0;
  max-width: 520px;
}
.contact__actions {
  display: grid;
  gap: 12px;
}
.contact__actions .btn {
  text-align: center;
  padding: 16px 22px;
}
.section--alt .btn--hot {
  background: var(--hot);
  color: #fff;
  font-weight: 600;
}
.section--alt .btn--hot:hover {
  background: var(--hot-dark);
}
.section--alt .btn--outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.section--alt .btn--outline-light:hover {
  background: #fff;
  color: var(--graphite);
}

@media (max-width: 760px) {
  .contact--split {
    grid-template-columns: 1fr;
    row-gap: 0;
  }
  .contact__actions {
    margin-top: 28px;
  }
}