/* =========================================================
   EPIBRANDS Marketing Studio — Landing
   Identidad: minimalista, premium, mucho aire, contraste alto.
   ========================================================= */

/* ---------- Variables ---------- */
:root {
  --color-dark: #242424;
  --color-cream: #EBEBE6;
  --color-white: #FFFFFF;
  --color-line: rgba(36, 36, 36, 0.12);
  --color-line-light: rgba(235, 235, 230, 0.18);
  --color-muted-dark: rgba(36, 36, 36, 0.68);
  --color-muted-light: rgba(235, 235, 230, 0.72);

  --font-display: "Futura", "Aileron", "Inter", Arial, sans-serif;
  --font-body: "Aileron", "Inter", Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-card: 0 1px 0 rgba(36,36,36,0.06), 0 10px 30px rgba(36,36,36,0.04);
  --shadow-card-hover: 0 1px 0 rgba(36,36,36,0.08), 0 20px 40px rgba(36,36,36,0.08);

  --container: 1200px;
  --container-narrow: 820px;

  --ease: cubic-bezier(.2,.6,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; top: -100px; left: 0;
  background: var(--color-dark); color: var(--color-cream);
  padding: 10px 16px; z-index: 9999; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { top: 0; }

/* ---------- Focus visible ---------- */
:focus-visible {
  outline: 2px solid var(--color-dark);
  outline-offset: 3px;
  border-radius: 2px;
}
.section-dark :focus-visible,
.site-footer :focus-visible { outline-color: var(--color-cream); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: var(--container-narrow); }

.section {
  padding: 96px 0;
}
.section-dark { background: var(--color-dark); color: var(--color-cream); }
.section-cream { background: var(--color-cream); }

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }
}

/* ---------- Tipografía base ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  line-height: 1.15;
}
p { margin: 0 0 16px; }

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 24px;
}
.lead {
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--color-muted-dark);
  max-width: 720px;
}
.section-dark .lead { color: var(--color-muted-light); }
.center { text-align: center; }
.center.lead, .center.section-title { margin-left: auto; margin-right: auto; }
.mt-xl { margin-top: 48px; }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dark);
  margin: 0 0 16px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-line);
}
.eyebrow-light { color: var(--color-cream); border-bottom-color: var(--color-line-light); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
  text-align: center;
}
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

.btn-primary {
  background: var(--color-dark);
  color: var(--color-cream);
  border-color: var(--color-dark);
}
.btn-primary:hover { transform: translateY(-1px); background: #000; border-color: #000; }

.btn-ghost {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}
.btn-ghost:hover { background: var(--color-dark); color: var(--color-cream); }

.btn-ghost-light {
  background: transparent;
  color: var(--color-cream);
  border-color: var(--color-cream);
}
.btn-ghost-light:hover { background: var(--color-cream); color: var(--color-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(235, 235, 230, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.06em;
}
.brand-sub {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-muted-dark);
  margin-top: 4px;
}
.nav-list {
  display: flex; gap: 28px; list-style: none; margin: 0; padding: 0;
}
.nav-list a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-dark);
  position: relative;
  padding: 8px 0;
}
.nav-list a:hover { opacity: 0.7; }

.header-cta { display: inline-flex; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 10px;
  width: 44px; height: 44px;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-dark);
  margin: 4px auto;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav { order: 3; flex-basis: 100%; }
  .nav-list {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 12px 0 16px;
    border-top: 1px solid var(--color-line);
  }
  .nav-list.is-open { display: flex; }
  .nav-list a { display: block; padding: 12px 0; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 96px;
  background: var(--color-cream);
}
.hero-inner { max-width: 900px; }
.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--color-muted-dark);
  max-width: 720px;
  margin-bottom: 32px;
}
.hero-ctas {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 16px;
}
.hero-micro {
  font-size: 13px;
  color: var(--color-muted-dark);
  margin-top: 8px;
}
@media (max-width: 768px) {
  .hero { padding: 64px 0 56px; }
}

/* ---------- Capacidades / pills ---------- */
.capacidades {
  padding: 32px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-cream);
}
.pill-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center;
}
.pill {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-dark);
}

/* ---------- Grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Cards ---------- */
.card {
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  background: var(--color-white);
}
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card-dark {
  background: transparent;
  border-color: var(--color-line-light);
  color: var(--color-cream);
}
.card-dark p { color: var(--color-muted-light); }

/* ---------- Pilares ---------- */
.pilares { background: var(--color-cream); }
.pilar {
  padding: 24px;
  border-top: 2px solid var(--color-dark);
}
.pilar-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--color-muted-dark);
  display: block;
  margin-bottom: 12px;
}
.pilar h3 { font-size: 20px; margin-bottom: 8px; }
.pilar p { color: var(--color-muted-dark); font-size: 15px; }

/* ---------- Resultados ---------- */
.resultados-grid { margin-top: 48px; }
.resultado {
  padding: 28px;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  border-radius: var(--radius-md);
}
.resultado-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-muted-dark);
  margin-bottom: 12px;
}
.resultado-num {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 12px;
}
.resultado-desc {
  font-size: 14.5px;
  color: var(--color-muted-dark);
  margin: 0;
}

/* ---------- Planes ---------- */
.planes-grid { margin-top: 56px; align-items: stretch; }
.plan {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.plan:hover { transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }

.plan-featured {
  background: var(--color-dark);
  color: var(--color-cream);
  border-color: var(--color-dark);
  transform: translateY(-8px);
}
.plan-featured:hover { transform: translateY(-10px); }

.plan-ribbon {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-cream);
  color: var(--color-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-dark);
}

.plan-head { margin-bottom: 20px; }
.plan-badge {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
  opacity: 0.7;
}
.plan-title {
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 10px;
}
.plan-segment {
  font-size: 14px;
  margin: 0;
  opacity: 0.75;
}

.plan-price {
  padding: 20px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 20px;
}
.plan-featured .plan-price {
  border-color: var(--color-line-light);
}
.plan-price-usd {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 4px;
}
.plan-price-usd span {
  font-size: 14px;
  font-weight: 500;
  opacity: 0.7;
}
.plan-price-ars {
  font-size: 14px;
  margin: 0;
  opacity: 0.75;
}

.plan-ads {
  font-size: 13.5px;
  margin-bottom: 20px;
}
.plan-ads p { margin: 0 0 8px; opacity: 0.85; }

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex-grow: 1;
}
.plan-features li {
  font-size: 14.5px;
  padding: 8px 0 8px 22px;
  position: relative;
  border-bottom: 1px solid var(--color-line);
}
.plan-featured .plan-features li { border-bottom-color: var(--color-line-light); }
.plan-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 12px; height: 6px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  opacity: 0.8;
}
.plan-features li:last-child { border-bottom: 0; }

.plan-featured .btn-primary {
  background: var(--color-cream);
  color: var(--color-dark);
  border-color: var(--color-cream);
}
.plan-featured .btn-primary:hover { background: var(--color-white); border-color: var(--color-white); }

.planes-note {
  text-align: center;
  margin-top: 32px;
  font-size: 13px;
  color: var(--color-muted-dark);
}

@media (max-width: 1024px) {
  .plan-featured { transform: none; }
  .plan-featured:hover { transform: translateY(-2px); }
}

/* ---------- Tabla comparativa ---------- */
.tabla-section { background: var(--color-cream); }
.tabla-wrap {
  margin-top: 32px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
}
.tabla-planes {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 720px;
}
.tabla-planes th,
.tabla-planes td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}
.tabla-planes thead th {
  background: var(--color-dark);
  color: var(--color-cream);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tabla-planes thead th.th-featured { background: #000; }
.tabla-planes tbody th {
  font-weight: 600;
  background: var(--color-cream);
  width: 32%;
}
.tabla-planes tbody tr:last-child th,
.tabla-planes tbody tr:last-child td { border-bottom: 0; }
.tabla-nota {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-muted-dark);
}

/* ---------- Proceso ---------- */
.proceso-steps {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step;
}
.proceso-steps li {
  padding: 24px 20px;
  border-top: 2px solid var(--color-dark);
  background: var(--color-white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.proceso-steps h3 { font-size: 17px; margin: 8px 0; }
.proceso-steps p { font-size: 14px; color: var(--color-muted-dark); margin: 0; }
.step-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-muted-dark);
}
@media (max-width: 900px) { .proceso-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .proceso-steps { grid-template-columns: 1fr; } }

/* ---------- Sobre ---------- */
.sobre-grid {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: 56px;
  align-items: center;
}
.photo-placeholder {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(235,235,230,0.08), rgba(235,235,230,0.02));
  border: 1px solid var(--color-line-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: rgba(235,235,230,0.4);
}
.capabilities-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
}
.capabilities-list li {
  font-size: 14.5px;
  padding-left: 18px;
  position: relative;
  color: var(--color-muted-light);
}
.capabilities-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 1px;
  background: var(--color-cream);
}
@media (max-width: 768px) {
  .sobre-grid { grid-template-columns: 1fr; gap: 32px; }
  .photo-placeholder { max-width: 240px; }
  .capabilities-list { grid-template-columns: 1fr; }
}

/* ---------- Formulario ---------- */
.diagnostico { background: var(--color-cream); }
.form {
  margin-top: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .form { padding: 24px; }
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-dark);
}
.field label span { color: #b54b4b; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font: inherit;
  background: var(--color-white);
  color: var(--color-dark);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-dark);
  box-shadow: 0 0 0 3px rgba(36,36,36,0.08);
}
.field textarea { resize: vertical; }
.field-help { font-size: 12px; color: var(--color-muted-dark); margin: 6px 0 0; }
.field-error {
  font-size: 13px;
  color: #b54b4b;
  margin: 6px 0 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.field-error::before { content: "!"; display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; background: #b54b4b; color: #fff; border-radius: 50%; font-size: 11px; font-weight: 700; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #b54b4b; }

.field-check { margin-top: 8px; }
.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--color-muted-dark);
  cursor: pointer;
}
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--color-dark); }

.form-microcopy {
  text-align: center;
  font-size: 13px;
  color: var(--color-muted-dark);
  margin-top: 16px;
}
.form-status {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--color-cream);
  border: 1px solid var(--color-line);
}
.form-status.is-success { border-color: #2a7a4f; color: #1f5e3c; }
.form-status.is-error { border-color: #b54b4b; color: #8b3535; }

/* ---------- FAQ ---------- */
.faq { margin-top: 40px; }
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 600;
  font-size: 16px;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  transition: transform .25s var(--ease);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
  padding: 0 24px 22px;
  color: var(--color-muted-dark);
  font-size: 15px;
}
.faq-body p { margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: var(--color-cream);
  padding: 64px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-line-light);
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.06em;
  margin: 0 0 8px;
}
.footer-logo span {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  display: block;
  margin-top: 4px;
  opacity: 0.7;
}
.footer-tag { font-size: 14px; margin: 16px 0 4px; opacity: 0.85; }
.footer-sub { font-size: 13px; opacity: 0.6; margin: 0; }

.footer-nav ul,
.footer-social ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li,
.footer-social li { margin-bottom: 8px; }
.footer-nav a,
.footer-social a {
  font-size: 14px;
  opacity: 0.75;
  transition: opacity .2s var(--ease);
}
.footer-nav a:hover,
.footer-social a:hover { opacity: 1; }
.footer-social-title {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 0 16px;
  opacity: 0.6;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 12px;
  opacity: 0.6;
}
.footer-bottom p { margin: 0; }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Sticky CTA mobile ---------- */
.sticky-cta {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--color-dark);
  color: var(--color-cream);
  text-align: center;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  z-index: 90;
  box-shadow: 0 10px 30px rgba(36,36,36,0.18);
  display: none;
}
@media (max-width: 768px) {
  .sticky-cta { display: block; }
  body { padding-bottom: 80px; }
}