:root {
  --bg: #17140f;
  --bg-alt: #1d1a14;
  --cream: #f2ecdd;
  --cream-dim: #cbc3ac;
  --rust: #c76b3f;
  --rust-dim: #8f4d2c;
  --line: rgba(242, 236, 221, 0.14);
  --font-display: "Fraunces", serif;
  --font-mono: "Space Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* grain overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 450;
  margin: 0;
  letter-spacing: -0.01em;
}

em { font-style: italic; color: var(--rust); }

p { margin: 0; color: var(--cream-dim); }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(23, 20, 15, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.logo-dot { color: var(--rust); }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.nav-links a { color: var(--cream-dim); transition: color 0.2s; }
.nav-links a:hover { color: var(--cream); }

.nav-cta {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 9px 18px;
  border-radius: 999px;
  transition: border-color 0.2s, color 0.2s;
}
.nav-cta:hover { border-color: var(--rust); color: var(--rust); }

/* ---------- SHARED ---------- */
.hero-index {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--rust);
  margin-bottom: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  padding: 14px 26px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background 0.25s, color 0.25s, border-color 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--rust); color: #17140f; }
.btn-primary:hover { background: #d97c4f; }
.btn-ghost { border-color: var(--line); color: var(--cream); }
.btn-ghost:hover { border-color: var(--cream); }
.btn-block { width: 100%; justify-content: center; margin-top: 28px; }

/* ---------- HERO ---------- */
.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 120px 32px 90px;
  position: relative;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 0.98;
  max-width: 900px;
  margin-left: -4px;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-sub {
  max-width: 460px;
  margin-top: 34px;
  margin-left: 6px;
  font-size: 1rem;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 46px;
  margin-left: 6px;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-meta {
  margin-top: 90px;
  margin-left: 6px;
  font-size: 0.78rem;
  color: var(--cream-dim);
  border-top: 1px solid var(--line);
  padding-top: 18px;
  max-width: 460px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- MARQUEE ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-alt);
  padding: 16px 0;
}
.marquee-track {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  width: max-content;
  animation: scroll 22s linear infinite;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--cream-dim);
}
.marquee-track span:nth-child(even) { color: var(--rust-dim); }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- METODO ---------- */
.metodo {
  max-width: 1180px;
  margin: 0 auto;
  padding: 130px 32px;
}
.metodo-head h2 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  max-width: 620px;
}
.metodo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.metodo-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 34px 28px 40px;
  background: var(--bg-alt);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s;
}
.metodo-card:hover { transform: translateY(-6px); border-color: var(--rust-dim); }
.card-b { transform: translateY(24px); }
.card-b:hover { transform: translateY(18px); }
.card-c { transform: translateY(48px); }
.card-c:hover { transform: translateY(42px); }
.metodo-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--rust-dim);
}
.metodo-card h3 { margin-top: 18px; font-size: 1.4rem; }
.metodo-card p { margin-top: 14px; font-size: 0.9rem; }

/* ---------- USO ---------- */
.uso {
  max-width: 1180px;
  margin: 0 auto;
  padding: 60px 32px 140px;
}
.uso-layout {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 90px;
  align-items: center;
  margin-top: 20px;
}
.uso-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}
.timer-demo {
  position: relative;
  width: 240px;
  height: 240px;
}
.timer-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--line); stroke-width: 3; }
.ring-fg {
  fill: none;
  stroke: var(--rust);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 553;
  stroke-dashoffset: 180;
  transition: stroke-dashoffset 1s linear;
}
.timer-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.timer-time { font-family: var(--font-display); font-size: 2.6rem; }
.timer-label { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cream-dim); }
.timer-toggle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: none;
  border: 1px solid var(--line);
  color: var(--cream-dim);
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.timer-toggle:hover { border-color: var(--rust); color: var(--cream); }

.uso-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 34px; }
.uso-steps li { display: flex; gap: 22px; }
.step-n {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--rust-dim);
  min-width: 32px;
}
.uso-steps h4 { font-size: 1.1rem; }
.uso-steps p { font-size: 0.88rem; margin-top: 8px; }

/* ---------- QUOTE ---------- */
.quote {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 32px 160px;
  text-align: center;
}
.quote blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  line-height: 1.35;
  color: var(--cream);
  margin: 0;
}
.quote-author {
  margin-top: 26px;
  font-size: 0.8rem;
  color: var(--rust);
}

/* ---------- PRECIO ---------- */
.precio {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 32px 160px;
}
.precio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.plan {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 38px 30px;
  background: var(--bg-alt);
  position: relative;
}
.plan h3 { font-size: 1.3rem; }
.plan-price { font-family: var(--font-display); font-size: 2.4rem; margin-top: 14px; color: var(--cream); }
.plan-price span { font-family: var(--font-mono); font-size: 0.85rem; color: var(--cream-dim); }
.plan-desc { margin-top: 12px; font-size: 0.86rem; }
.plan ul { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 10px; }
.plan li { font-size: 0.82rem; color: var(--cream-dim); padding-left: 18px; position: relative; }
.plan li::before { content: "—"; position: absolute; left: 0; color: var(--rust-dim); }
.plan-highlight {
  border-color: var(--rust);
  background: linear-gradient(165deg, rgba(199, 107, 63, 0.14), var(--bg-alt) 60%);
  transform: translateY(-14px);
}
.plan-tag {
  position: absolute;
  top: -13px;
  right: 28px;
  background: var(--rust);
  color: #17140f;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}

/* ---------- CTA ---------- */
.cta {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 32px 170px;
  text-align: center;
}
.cta h2 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  line-height: 1.1;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 44px auto 0;
}
.cta-form input {
  flex: 1;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 14px 20px;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
}
.cta-form input:focus { border-color: var(--rust); }
.cta-form input::placeholder { color: var(--cream-dim); }
.cta-form button {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--rust);
  color: #17140f;
  border: none;
  border-radius: 999px;
  padding: 14px 24px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.cta-form button:hover { background: #d97c4f; transform: translateY(-2px); }
.cta-status { margin-top: 18px; font-size: 0.82rem; color: var(--rust); min-height: 1.2em; }

/* ---------- FOOTER ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 30px 32px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.76rem;
  color: var(--cream-dim);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .metodo-grid { grid-template-columns: 1fr; }
  .card-b, .card-c { transform: none; }
  .card-b:hover, .card-c:hover { transform: translateY(-6px); }
  .uso-layout { grid-template-columns: 1fr; gap: 50px; }
  .precio-grid { grid-template-columns: 1fr; }
  .plan-highlight { transform: none; }
  .cta-form { flex-direction: column; }
}

@media (max-width: 520px) {
  .hero { padding: 90px 20px 70px; }
  .metodo, .uso, .precio, .cta, .quote { padding-left: 20px; padding-right: 20px; }
  .nav-inner { padding: 16px 20px; }
}