/* ============================================
   Hay Leads — Sistema de diseño
   Ver .claude/skills/website-design-system y docs/marca.md
   ============================================ */

@font-face {
  font-family: "Argentum Sans";
  src: url("../fonts/ArgentumSans-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Argentum Sans";
  src: url("../fonts/ArgentumSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Argentum Sans";
  src: url("../fonts/ArgentumSans-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Paleta de marca Hay Leads */
  --color-verde: #85D340;
  --color-morado: #9795FA;
  --color-gris: #D9D9D9;
  --color-negro: #000000;
  --color-blanco: #FFFFFF;

  --color-bg: var(--color-negro);
  --color-bg-elevated: #121212;
  --color-bg-card: #1a1a1a;
  --color-text: var(--color-blanco);
  --color-text-secondary: var(--color-gris);
  --color-accent: var(--color-verde);
  --color-accent-alt: var(--color-morado);
  --color-border: #2a2a2a;

  --font-heading: "Argentum Sans", "Segoe UI", system-ui, sans-serif;
  --font-body: "Argentum Sans", "Segoe UI", system-ui, sans-serif;

  --max-width: 1200px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 999px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
/* Links de texto: siempre en el verde oficial de marca.
   Excepciones más abajo: nav/menús (color propio con hover verde) y botones (.btn). */
a { color: var(--color-accent); text-decoration: none; }
a:not(.btn):hover { color: #97e05c; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0 0 var(--space-sm);
}
h1 { font-size: clamp(2.5rem, 5vw + 1rem, 5rem); }
h2 { font-size: clamp(2rem, 3vw + 1rem, 3.25rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 1rem, 1.75rem); }
p { margin: 0 0 var(--space-sm); color: var(--color-text-secondary); }
.lead { font-size: clamp(1.1rem, 1vw + 1rem, 1.4rem); color: var(--color-text); }

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.section { padding: var(--space-2xl) 0; }
.section--tight { padding: var(--space-xl) 0; }
.section--alt { background: var(--color-bg-elevated); }

.grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.text-center { text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--color-accent);
  color: var(--color-negro);
}
.btn--primary:hover { background: #97e05c; }
.btn--outline {
  background: transparent;
  border-color: var(--color-text);
  color: var(--color-text);
}
.btn--outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn--block { width: 100%; }

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}
.nav__logo img { height: 52px; width: auto; }
.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
}
.nav__links a { padding: 0.25rem 0; border-bottom: 2px solid transparent; color: var(--color-text); }
.nav__links a:hover, .nav__links a[aria-current="page"] { border-color: var(--color-accent); color: var(--color-accent); }

/* Dropdowns (desktop) */
.nav__item { position: relative; }
.nav__item > a { display: inline-flex; align-items: center; gap: 0.35rem; }
.nav__caret {
  font-size: 0.55em;
  transition: transform 0.15s ease;
  border: none;
}
.nav__item:hover > a .nav__caret,
.nav__item:focus-within > a .nav__caret { transform: rotate(180deg); }
.nav__item::after {
  /* puente invisible para no perder el hover entre el link y el panel */
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 14px;
}
.dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 290px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 200;
}
.nav__item:hover .dropdown,
.nav__item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: block;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  border-bottom: none;
  font-size: 0.8rem;
  white-space: nowrap;
  color: var(--color-text);
}
.dropdown a:hover, .dropdown a[aria-current="page"] {
  background: var(--color-bg-elevated);
  color: var(--color-accent);
  border-bottom: none;
}
.dropdown__label {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  padding: 0.5rem 0.85rem 0.2rem;
  text-transform: uppercase;
}
.nav__cta { display: none; }
.nav__toggle {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.75rem;
  line-height: 1;
  padding: 0.25rem;
}
@media (min-width: 1024px) {
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu > a:not(.btn) { color: var(--color-text); }
.mobile-menu > a:not(.btn):hover { color: var(--color-accent); }
@media (min-width: 1024px) {
  .mobile-menu { display: none !important; }
}

/* Acordeón dentro del menú móvil */
.mobile-menu__toggle {
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1rem;
  padding: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}
.mobile-menu__group.is-open .mobile-menu__toggle .nav__caret { transform: rotate(180deg); }
.mobile-menu__sub {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 2px solid var(--color-border);
}
.mobile-menu__group.is-open .mobile-menu__sub { display: flex; }
.mobile-menu__sub a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.mobile-menu__sub a:hover, .mobile-menu__sub a[aria-current="page"] { color: var(--color-accent); }

/* Hero */
.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
}
.hero__badge {
  display: inline-block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}
.hero h1 { max-width: 900px; margin-inline: auto; }
.hero__sub {
  max-width: 620px;
  margin: var(--space-sm) auto var(--space-lg);
  font-size: clamp(1.05rem, 1vw + 1rem, 1.3rem);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* Stats bar */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  text-align: center;
}
@media (min-width: 1024px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat__num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 2vw + 1.5rem, 3rem);
  color: var(--color-accent);
  display: block;
}
.stat__label { font-size: 0.9rem; color: var(--color-text-secondary); }

/* Cards */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  height: 100%;
}
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-negro);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}
.card--alt .card__icon { background: var(--color-accent-alt); }
.card__icon--img {
  background: transparent;
  width: 48px;
  height: 48px;
}
.card__icon--img img { width: 100%; height: 100%; display: block; }
.card__icon--logo img { padding: 6px; box-sizing: border-box; }
.card__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--color-accent-alt);
  margin-bottom: var(--space-xs);
}

/* Proceso */
.steps {
  display: grid;
  gap: var(--space-md);
  counter-reset: step;
}
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { position: relative; padding-top: var(--space-md); }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--color-border);
  display: block;
  margin-bottom: var(--space-xs);
}

/* CTA banda */
.cta-banner {
  background: var(--color-accent);
  color: var(--color-negro);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}
.cta-banner h2 { color: var(--color-negro); }
.cta-banner p { color: rgba(0,0,0,0.7); }
.cta-banner .btn--outline { border-color: var(--color-negro); color: var(--color-negro); }
.cta-banner .btn--outline:hover { background: var(--color-negro); color: var(--color-accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
}
.footer__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .footer__grid { grid-template-columns: 1.5fr repeat(3, 1fr); } }
.footer__logo img { height: 44px; margin-bottom: var(--space-sm); }
.footer__col h4 {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}
.footer__col a, .footer__col li {
  display: block;
  margin-bottom: 0.6rem;
}
.footer__col li { color: var(--color-text-secondary); }
.footer__col a { color: var(--color-accent); }
.footer__col a:hover { color: #97e05c; }
.footer__bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.placeholder { color: var(--color-morado); }

/* Formulario contacto */
.form-field { margin-bottom: var(--space-md); }
.form-field label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-error { color: #ff7a7a; font-size: 0.85rem; margin-top: 0.3rem; display: none; }
.form-field.has-error input,
.form-field.has-error textarea { border-color: #ff7a7a; }
.form-field.has-error .form-error { display: block; }
.form-success {
  display: none;
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.85rem;
}
.form-success.is-visible { display: block; }
.form-submit-error {
  display: none;
  background: var(--color-bg-card);
  border: 1px solid #ff7a7a;
  color: #ff7a7a;
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}
.form-submit-error a { text-decoration: underline; }
.form-submit-error.is-visible { display: block; }

.info-row { display: flex; gap: var(--space-sm); align-items: flex-start; margin-bottom: var(--space-md); }
.info-row__icon {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  font-family: var(--font-heading); font-weight: 700;
}

/* Blog */
.post-card__meta { font-size: 0.8rem; color: var(--color-text-secondary); margin-bottom: var(--space-xs); text-transform: uppercase; letter-spacing: 0.04em; }
.post-card h3 { margin-bottom: var(--space-xs); }
.post-card__cta { color: var(--color-accent); font-family: var(--font-heading); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; }

/* Artículo de blog (prosa) */
.post-hero__meta { color: var(--color-accent); }
.post {
  max-width: 740px;
  margin: 0 auto;
}
.post h2 {
  margin-top: var(--space-xl);
  font-size: clamp(1.4rem, 1.2vw + 1rem, 2rem);
}
.post h3 {
  margin-top: var(--space-lg);
  font-size: clamp(1.1rem, 0.8vw + 1rem, 1.4rem);
  color: var(--color-accent);
}
.post p { color: var(--color-text); font-size: 1.05rem; }
.post ul, .post ol {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
}
.post ul { list-style: disc; }
.post ol { list-style: decimal; }
.post li { color: var(--color-text); margin-bottom: 0.4rem; font-size: 1.05rem; }
.post .callout {
  background: var(--color-bg-card);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
}
.post table { width: 100%; border-collapse: collapse; margin: var(--space-md) 0; }
.post th, .post td { text-align: left; padding: 0.6rem; border-bottom: 1px solid var(--color-border); font-size: 0.95rem; }
.post th { font-family: var(--font-heading); color: var(--color-accent); text-transform: uppercase; font-size: 0.8rem; }
.post-faq { margin-top: var(--space-md); }
.post-faq details { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-sm) var(--space-md); margin-bottom: var(--space-sm); background: var(--color-bg-card); }
.post-faq summary { font-family: var(--font-heading); font-weight: 700; cursor: pointer; }
.post-faq summary::marker { color: var(--color-accent); }
.post-faq p { margin-top: var(--space-xs); margin-bottom: 0; }
.post-share { display: flex; align-items: center; gap: var(--space-sm); margin: var(--space-lg) 0; padding: var(--space-md) 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

/* Utilidades */
.mt-lg { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-2xl) 0 0; }