:root {
  --ink: #111111;
  --black: #050505;
  --paper: #f5eddc;
  --paper-light: #fffaf0;
  --paper-deep: #ead9bd;
  --red: #f5322f;
  --red-dark: #b91512;
  --steel: #b7b7b2;
  --gray: #565656;
  --line: rgba(17, 17, 17, 0.22);
  --line-strong: rgba(17, 17, 17, 0.72);
  --white: #ffffff;
  --radius: 4px;
  --sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Archivo Black", Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --mono: "Courier Prime", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle, rgba(17, 17, 17, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 50, 47, 0.06), transparent 34%, rgba(17, 17, 17, 0.045)),
    var(--paper);
  background-size: 9px 9px, auto, auto;
  font-family: var(--sans);
}

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  border-bottom: 4px solid var(--ink);
  padding: 12px clamp(18px, 4vw, 54px);
  background: rgba(255, 250, 240, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
}

.brand img {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
  transform: scale(1.42);
  transform-origin: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-links a {
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}

.nav-links a:hover {
  border-color: var(--red);
}

.nav-cta {
  justify-self: end;
  border: 2px solid var(--ink);
  padding: 10px 15px;
  color: var(--paper-light);
  background: var(--ink);
  font-family: var(--mono);
  font-weight: 700;
  box-shadow: 4px 4px 0 var(--red);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.nav-cta:hover,
.button:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--red);
}

.nav-cta:active,
.button:active {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 var(--red);
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--ink);
  background:
    linear-gradient(0deg, rgba(255, 250, 240, 0.92), rgba(255, 250, 240, 0.92)),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(17, 17, 17, 0.12) 31px 32px);
}

.hero::before {
  content: "MARKETING MAGNETICO";
  position: absolute;
  right: -24px;
  bottom: -18px;
  color: rgba(245, 50, 47, 0.08);
  font-family: var(--display);
  font-size: clamp(2.4rem, 6.6vw, 6.2rem);
  line-height: 0.9;
  text-align: right;
  text-transform: uppercase;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  gap: clamp(42px, 6vw, 92px);
  align-items: center;
  width: min(1240px, calc(100% - 44px));
  min-height: clamp(680px, calc(100vh - 87px), 840px);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 108px) 0 clamp(76px, 9vw, 124px);
}

.hero-copy {
  min-width: 0;
}

.notice,
.section-kicker,
.letter-tag {
  display: inline-flex;
  margin: 0 0 16px;
  border: 2px solid var(--ink);
  padding: 7px 10px 5px;
  color: var(--paper-light);
  background: var(--red);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  transform: rotate(-1deg);
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-family: var(--display);
  font-size: clamp(2.55rem, 5vw, 4.8rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  text-wrap: balance;
}

h1 span {
  display: block;
  will-change: transform, opacity;
}

h2 {
  margin-bottom: 18px;
  font-family: var(--display);
  font-size: clamp(1.58rem, 2.45vw, 2.38rem);
  line-height: 1.08;
  letter-spacing: 0;
  text-transform: uppercase;
  text-wrap: balance;
}

h3 {
  margin-bottom: 12px;
  font-family: var(--display);
  font-size: 1.14rem;
  line-height: 1.06;
  text-transform: uppercase;
}

.lead {
  max-width: 660px;
  border-left: 7px solid var(--red);
  padding-left: 20px;
  color: var(--gray);
  font-family: var(--mono);
  font-size: clamp(1.02rem, 1.45vw, 1.22rem);
  line-height: 1.62;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border: 2px solid var(--ink);
  border-radius: 0;
  padding: 0 22px;
  font: 700 0.95rem/1 var(--mono);
  cursor: pointer;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button-primary {
  color: var(--paper-light);
  background: var(--red);
  box-shadow: 5px 5px 0 var(--ink);
}

.button-secondary {
  color: var(--ink);
  background: var(--paper-light);
  box-shadow: 5px 5px 0 var(--steel);
}

.button-primary:hover {
  background: #ff3a36;
  box-shadow: 8px 8px 0 var(--ink);
}

.button-secondary:hover {
  background: var(--white);
  box-shadow: 8px 8px 0 var(--steel);
}

.sales-letter {
  position: relative;
  min-width: 0;
  border: 3px solid var(--ink);
  padding: clamp(24px, 3.2vw, 32px);
  background: var(--paper-light);
  box-shadow: 10px 10px 0 var(--steel);
}

.sales-letter::after {
  content: "RESPUESTA DIRECTA";
  position: absolute;
  right: -12px;
  top: 18px;
  border: 2px solid var(--red);
  padding: 6px 8px 4px;
  color: var(--red);
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  transform: rotate(6deg);
}

.sales-letter h2 {
  max-width: 320px;
  font-size: clamp(1.35rem, 2vw, 1.82rem);
  line-height: 1.08;
  margin-bottom: 24px;
}

.card-note {
  max-width: 300px;
  margin-bottom: 28px;
  border-left: 7px solid var(--red);
  padding-left: 16px;
  color: var(--gray);
  font-family: var(--mono);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
}

.magnet-meter {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--ink);
  background: var(--ink);
}

.magnet-meter span {
  padding: 12px 8px 10px;
  color: var(--paper-light);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
}

.magnet-meter span + span {
  border-left: 1px solid rgba(255, 250, 240, 0.24);
}

.magnet-meter span:nth-child(3) {
  color: var(--ink);
  background: var(--red);
}

.compare-card ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compare-card li,
.process-list li {
  position: relative;
  padding-left: 24px;
  color: var(--gray);
  line-height: 1.55;
}

.compare-card li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--red);
}

.ticker {
  position: relative;
  overflow: hidden;
  min-height: 58px;
  border-bottom: 4px solid var(--ink);
  color: var(--paper-light);
  background: var(--ink);
}

.ticker::before,
.ticker::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 1;
  width: 80px;
  pointer-events: none;
}

.ticker::before {
  left: 0;
  background: linear-gradient(90deg, var(--ink), rgba(5, 5, 5, 0));
}

.ticker::after {
  right: 0;
  background: linear-gradient(270deg, var(--ink), rgba(5, 5, 5, 0));
}

.ticker-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 18px;
  padding: 13px 18px 14px;
  will-change: transform;
}

.ticker span {
  position: relative;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 250, 240, 0.24);
  padding: 9px 14px 8px;
  color: rgba(255, 250, 240, 0.92);
  background: rgba(255, 250, 240, 0.045);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 rgba(245, 50, 47, 0.55);
}

.ticker span::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -13px;
  width: 7px;
  height: 7px;
  background: var(--red);
  transform: translateY(-50%) rotate(45deg);
}

.button,
.sales-letter,
.method-card,
.compare-card,
.process-list li,
.signup-form {
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.section {
  padding: clamp(78px, 8.5vw, 124px) clamp(20px, 4vw, 60px);
}

.section-inner {
  width: min(1160px, 100%);
  min-width: 0;
  margin: 0 auto;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 42px;
}

.intro-section {
  border-bottom: 4px solid var(--ink);
  background: var(--paper);
}

.intro-layout,
.system-layout,
.process-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1fr);
  gap: clamp(40px, 6vw, 84px);
  align-items: start;
}

.intro-layout > p,
.process-layout p,
.contact-layout p {
  color: var(--gray);
  font-family: var(--mono);
  font-size: 1.06rem;
  line-height: 1.7;
}

.method-section {
  background:
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(17, 17, 17, 0.055) 28px 29px),
    var(--paper-light);
  border-bottom: 4px solid var(--ink);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.method-card {
  min-height: 300px;
  border: 3px solid var(--ink);
  padding: 24px;
  background: var(--paper-light);
  box-shadow: 7px 7px 0 var(--paper-deep);
}

.method-card span {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--red);
  font-family: var(--display);
  font-size: 2rem;
  line-height: 1;
}

.method-card p,
.service-list span {
  color: var(--gray);
  line-height: 1.62;
}

.system-section {
  border-bottom: 4px solid var(--ink);
  background: var(--paper-deep);
}

.compare-grid {
  display: grid;
  gap: 22px;
}

.compare-card {
  border: 3px solid var(--ink);
  padding: clamp(28px, 4vw, 38px);
  background: var(--paper-light);
  box-shadow: 8px 8px 0 rgba(17, 17, 17, 0.18);
}

.compare-card.featured {
  color: var(--paper-light);
  background: var(--ink);
  box-shadow: 8px 8px 0 var(--red);
}

.compare-card span {
  display: inline-flex;
  margin-bottom: 22px;
  border-bottom: 4px solid var(--red);
  font-family: var(--mono);
  font-weight: 700;
  text-transform: uppercase;
}

.compare-card h3 {
  max-width: 420px;
  font-size: clamp(1.3rem, 1.9vw, 1.72rem);
  line-height: 1.08;
  margin-bottom: 22px;
}

.compare-card.featured li {
  color: rgba(255, 250, 240, 0.76);
}

.services-section {
  color: var(--paper-light);
  background:
    radial-gradient(circle, rgba(255, 250, 240, 0.12) 1px, transparent 1px),
    var(--black);
  background-size: 10px 10px;
  border-bottom: 4px solid var(--ink);
}

.service-list {
  display: grid;
  border-top: 2px solid rgba(255, 250, 240, 0.26);
}

.service-list article {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) 1fr;
  gap: 34px;
  border-bottom: 2px solid rgba(255, 250, 240, 0.26);
  padding: 30px 0;
}

.service-list strong {
  font-family: var(--display);
  font-size: 1.18rem;
  line-height: 1;
  text-transform: uppercase;
}

.service-list span {
  color: rgba(255, 250, 240, 0.74);
}

.process-section {
  background: var(--paper);
  border-bottom: 4px solid var(--ink);
}

.process-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-list li {
  min-height: 62px;
  border: 3px solid var(--ink);
  padding: 17px 18px 17px 70px;
  background: var(--paper-light);
  box-shadow: 6px 6px 0 var(--steel);
  counter-increment: process;
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  position: absolute;
  top: 15px;
  left: 16px;
  color: var(--red);
  font-family: var(--display);
  font-size: 1.35rem;
}

.contact-section {
  color: var(--paper-light);
  background: var(--red);
}

.contact-section .section-kicker {
  color: var(--ink);
  background: var(--paper-light);
}

.contact-section p {
  color: rgba(255, 250, 240, 0.84);
}

.signup-form {
  display: grid;
  gap: 18px;
  border: 3px solid var(--ink);
  padding: clamp(26px, 4vw, 36px);
  background: var(--paper-light);
  box-shadow: 10px 10px 0 var(--ink);
}

.signup-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

.signup-form input {
  width: 100%;
  min-height: 54px;
  border: 2px solid var(--ink);
  border-radius: 0;
  padding: 0 13px;
  color: var(--ink);
  background: var(--white);
  font: 400 1rem/1 var(--sans);
}

.signup-form input:focus {
  outline: 3px solid var(--steel);
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--red-dark);
  font-family: var(--mono);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 4px solid var(--ink);
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--paper-light);
  background: var(--black);
  font-family: var(--mono);
  font-weight: 700;
  text-transform: uppercase;
}

@media (max-width: 1020px) {
  .hero-inner,
  .intro-layout,
  .system-layout,
  .process-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .service-list article {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 600px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 12px;
    padding-inline: 14px;
  }

  .nav-cta {
    width: 136px;
    max-width: 142px;
    padding: 9px 8px;
    font-size: 0.68rem;
    line-height: 1.08;
    text-align: center;
    white-space: normal;
  }

  .hero-inner {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: clamp(1.9rem, 8.2vw, 2.6rem);
    line-height: 1.02;
  }

  h2 {
    font-size: clamp(1.45rem, 7.2vw, 2.08rem);
    line-height: 1.08;
  }

  .lead {
    font-size: 0.96rem;
    line-height: 1.58;
  }

  .sales-letter h2 {
    font-size: 1.5rem;
  }

  .sales-letter {
    box-shadow: 6px 6px 0 var(--steel);
  }

  .sales-letter::after {
    display: none;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }
}