/* Banthex · Dirección Señal */
:root {
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-mono: "DM Mono", ui-monospace, monospace;
  --indigo: #17123a;
  --coral: #ff7a59;
  --coral-hover: #f2694a;
  --white: #ffffff;
  --lavender: #f5f3fc;
  --line: #eceaf5;
  --text: #17123a;
  --text-body: #3b3660;
  --text-muted: #5d5880;
  --text-faded: #8a84b0;
  --on-dark-muted: #c9c4ee;
  --on-dark-border: #4a4380;
  --risk-high: #b4321a;
  --highlight-bg: #ffe3da;
  --highlight-text: #9a2a0e;
  --highlight-ring: #ffb39e;
  --radius-chip: 6px;
  --radius-fake-button: 8px;
  --radius-mini-card: 10px;
  --radius-verdict: 14px;
  --radius-mock: 20px;
  --radius-card: 24px;
  --radius-pill: 999px;
  --layout-container: 1240px;
  --layout-gutter: 24px;
  --ease: ease-out;
  --duration: 180ms;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

.hero-band :focus-visible,
.site-footer :focus-visible,
.audience-card:not(.audience-card--light) :focus-visible {
  outline-color: var(--white);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  background: var(--coral);
  color: var(--indigo);
  font-weight: 700;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
}

.container {
  max-width: var(--layout-container);
  margin: 0 auto;
  padding-inline: var(--layout-gutter);
}

/* —— Buttons & links —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 16px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration) var(--ease),
    color var(--duration) var(--ease),
    border-color var(--duration) var(--ease);
}

.btn--coral {
  background: var(--coral);
  color: var(--indigo);
}

.btn--coral:hover {
  background: var(--coral-hover);
  color: var(--indigo);
}

.btn--nav {
  font-weight: 600;
  padding: 12px 20px;
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  font-weight: 600;
  border-color: var(--on-dark-border);
}

.btn--ghost:hover {
  border-color: var(--on-dark-muted);
  color: var(--white);
}

.btn--indigo {
  background: var(--indigo);
  color: var(--white);
  font-size: 18px;
  padding: 18px 30px;
}

.btn--indigo:hover {
  background: #221a4f;
  color: var(--white);
}

.link-action {
  align-self: flex-start;
  margin-top: 8px;
  font-weight: 700;
  font-size: 17px;
  color: var(--indigo);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.link-action:hover {
  color: #3a2f8a;
}

.link-action--coral {
  color: var(--coral);
}

.link-action--coral:hover {
  color: var(--coral-hover);
}

/* —— Header / Hero —— */
.hero-band {
  background: var(--indigo);
  color: var(--white);
}

.site-header {
  padding: 22px 0;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--white);
}

.logo__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo__word {
  font-weight: 700;
  font-size: 27px;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variation-settings: "opsz" 36;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 26px;
  font-size: 16px;
}

.nav a:not(.btn) {
  color: var(--on-dark-muted);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.nav a:not(.btn):hover {
  color: var(--white);
}

.hero {
  padding: 72px 0 104px;
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: center;
}

.hero__copy {
  flex: 1 1 460px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero__copy h1 {
  margin: 0;
  font-size: clamp(46px, 6.4vw, 92px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.accent {
  color: var(--coral);
}

.lead {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
  color: var(--on-dark-muted);
  max-width: 500px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* —— Mail mock —— */
.mail-mock {
  flex: 1 1 500px;
  min-width: 0;
  background: var(--white);
  color: var(--text);
  border-radius: var(--radius-mock);
  padding: 8px;
  display: flex;
  flex-direction: column;
}

.mail-mock__header {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-bottom: 1px solid var(--line);
}

.mail-mock__from {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}

.mail-mock__label {
  color: var(--text-muted);
}

.mail-mock__name {
  font-weight: 600;
}

.mail-mock__chip {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--highlight-bg);
  color: var(--highlight-text);
  padding: 3px 8px;
  border-radius: var(--radius-chip);
}

.mail-mock__subject {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.mail-mock__body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-body);
}

.mail-mock__body p {
  margin: 0;
}

.highlight {
  background: var(--highlight-bg);
  color: var(--highlight-text);
  padding: 1px 4px;
  border-radius: 4px;
}

.mail-mock__fake-btn {
  align-self: flex-start;
  font-weight: 600;
  color: var(--white);
  background: var(--text-body);
  padding: 10px 18px;
  border-radius: var(--radius-fake-button);
}

.highlight-ring {
  outline: 3px solid var(--highlight-ring);
  outline-offset: 3px;
}

.mail-mock__verdict {
  margin: 8px;
  background: var(--lavender);
  border-radius: var(--radius-verdict);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mail-mock__verdict-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mail-mock__verdict-title {
  font-weight: 700;
  font-size: 17px;
}

.risk-pill {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  background: var(--risk-high);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  font-size: 14px;
}

.signal-card {
  background: var(--white);
  border-radius: var(--radius-mini-card);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signal-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* Highlight entrance */
[data-highlight] {
  opacity: 0;
  transition: opacity 120ms var(--ease);
}

[data-highlight].is-on,
.motion-reduced [data-highlight] {
  opacity: 1;
}

/* —— Sections —— */
.section--statement {
  padding: 112px 0 64px;
}

.statement {
  margin: 0;
  font-size: clamp(30px, 3.8vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 600;
  max-width: 1000px;
}

.faded {
  color: var(--text-faded);
}

.section--social {
  padding: 0 0 40px;
}

.social__label {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.social__logos {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.placeholder {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  background: var(--lavender);
  padding: 10px 14px;
  border-radius: var(--radius-chip);
}

.section--steps {
  padding: 32px 0 96px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
  border-top: 2px solid var(--indigo);
}

.step {
  padding: 32px 28px 8px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step__num {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--coral);
}

.step__title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.step__text {
  margin: 0;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.55;
}

.section--detect {
  background: var(--lavender);
  padding: 96px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-head__title {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.section-head__lead {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.55;
}

.section--audience {
  background: var(--lavender);
  padding: 0 0 96px;
}

.audience {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.audience-card {
  flex: 1 1 380px;
  min-width: 0;
  background: var(--indigo);
  color: var(--white);
  border-radius: var(--radius-card);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.audience-card--light {
  background: var(--white);
  color: var(--text);
}

.audience-card__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--on-dark-muted);
  text-transform: uppercase;
}

.audience-card__label--dark {
  color: var(--text-muted);
}

.audience-card__title {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.audience-card__title--dark {
  color: var(--text);
}

.audience-card__text {
  margin: 0;
  color: var(--on-dark-muted);
  font-size: 17px;
  line-height: 1.55;
}

.audience-card__text--dark {
  color: var(--text-muted);
}

.section--quote {
  padding: 104px 0;
}

.quote {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.quote blockquote {
  margin: 0;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 500;
  max-width: 920px;
}

.quote cite {
  font-family: var(--font-mono);
  font-size: 14px;
  font-style: normal;
  color: var(--text-muted);
}

/* —— CTA + Footer —— */
.cta-band {
  background: var(--coral);
}

.cta-band__inner {
  padding: 88px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(36px, 4.6vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 800;
  max-width: 760px;
  color: var(--indigo);
}

.site-footer {
  background: var(--indigo);
}

.footer-inner {
  padding: 32px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--on-dark-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  color: var(--on-dark-muted);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.footer-links a:hover {
  color: var(--white);
}

/* —— Reveal motion —— */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  [data-highlight] {
    opacity: 1;
    transition: none;
  }

  .btn,
  .nav a,
  .link-action,
  .footer-links a {
    transition: none;
  }
}

@media (max-width: 640px) {
  .nav {
    gap: 16px;
    width: 100%;
  }

  .hero {
    padding-top: 48px;
    padding-bottom: 72px;
    gap: 40px;
  }

  .cta-band__inner {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}