/* =========================================================================
   Meetiva.app — Meeting Leadership AI Coach · landing
   Paleta tomada del sistema de diseño de la app (verde profundo sobre crema).
   Sin dependencias externas: ni fuentes remotas, ni CDN, ni frameworks.
   ========================================================================= */

:root {
  /* Marca */
  --green-900: #12301F;
  --green-800: #16452F;
  --green-700: #1C4433;
  --green-600: #2A5A42;
  --green-300: #6E9C82;
  --green-100: #DCE7DF;

  --gold-700: #8C6A22;
  --gold-600: #A8792C;
  --gold-500: #C79A3E;
  --gold-100: #EDE2CC;

  --red-600: #C0392B;

  /* Superficies */
  --cream:     #F4F1E9;
  --cream-alt: #EDE8DC;
  --surface:   #FFFFFF;
  --line:      #DFD9CB;

  /* Texto */
  --ink:       #17201B;
  --ink-soft:  #4C554E;
  --ink-muted: #6E756C;
  --on-dark:   #F2EFE6;
  --on-dark-soft: #C3CFC5;

  /* Ritmo */
  --radius:    18px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 2px rgba(23,32,27,.05), 0 4px 14px rgba(23,32,27,.05);
  --shadow-md: 0 2px 6px rgba(23,32,27,.06), 0 18px 44px rgba(23,32,27,.10);
  --shadow-lg: 0 8px 20px rgba(23,32,27,.10), 0 40px 80px rgba(23,32,27,.16);

  --wrap: 1140px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --cream:     #0F1512;
    --cream-alt: #141C17;
    --surface:   #18211B;
    --line:      #2A352D;

    --ink:       #ECEFE9;
    --ink-soft:  #C0C8BF;
    --ink-muted: #98A199;

    --green-100: #1E3327;
    --green-300: #83B295;
    --green-600: #7BAB8E;
    --green-700: #6FA383;
    --gold-600:  #D2A653;
    --gold-700:  #E0B96F;
    --gold-100:  #2B2415;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.30), 0 4px 14px rgba(0,0,0,.28);
    --shadow-md: 0 2px 6px rgba(0,0,0,.34), 0 18px 44px rgba(0,0,0,.40);
    --shadow-lg: 0 8px 20px rgba(0,0,0,.40), 0 40px 80px rgba(0,0,0,.55);
  }
}

/* ── Reset ligero ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3 { line-height: 1.14; letter-spacing: -0.021em; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding: 0; }

:focus-visible {
  outline: 3px solid var(--gold-600);
  outline-offset: 3px;
  border-radius: 6px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--green-800); color: #fff; padding: .8rem 1.2rem;
  border-radius: 0 0 10px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 780px; }

/* ── Cabecera ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-stuck { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 68px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--green-700); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-name {
  font-weight: 700; font-size: 1.08rem; letter-spacing: -0.018em;
  color: var(--ink);
}
/* El TLD forma parte de la marca ("Meetiva.app") pero pesa menos que el nombre. */
.brand-tld { color: var(--green-700); font-weight: 600; }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a {
  color: var(--ink-soft); text-decoration: none; font-size: .95rem; font-weight: 500;
  transition: color .15s ease;
}
.nav a:hover { color: var(--ink); }
.nav .btn { color: #fff; }

.nav-toggle {
  display: none; width: 44px; height: 40px; border: 1px solid var(--line);
  background: transparent; border-radius: 10px; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); padding: 8px 24px 20px;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav a:last-child { border-bottom: 0; margin-top: 14px; text-align: center; }
}

@media (max-width: 400px) {
  .brand-name { font-size: .92rem; }
  .brand-mark { width: 30px; height: 30px; }
  .wrap { padding: 0 18px; }
}

/* ── Botones ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5em; padding: 15px 26px; border-radius: 999px;
  font-weight: 600; font-size: 1rem; line-height: 1;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform .12s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green-800); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--green-900); }
.btn-ghost { background: transparent; color: var(--green-700); border-color: var(--green-700); }
.btn-ghost:hover { background: var(--green-100); }
.btn-sm { padding: 10px 18px; font-size: .93rem; }
.btn-block { width: 100%; }

@media (prefers-color-scheme: dark) {
  .btn-primary { background: var(--green-300); color: #0E1712; }
  .btn-primary:hover { background: #96C2A6; }
}

/* ── Tipografía de sección ────────────────────────────────────────────── */
.section { padding: 92px 0; }
.section-alt { background: var(--cream-alt); }

.kicker {
  text-transform: uppercase; letter-spacing: .14em; font-size: .76rem;
  font-weight: 700; color: var(--gold-700); margin: 0 0 .8rem;
}
.section-title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); max-width: 20ch; margin-bottom: .6em; }
.section-lede { font-size: 1.1rem; color: var(--ink-soft); max-width: 60ch; margin-bottom: 2.4rem; }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero { padding: 64px 0 84px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -30% 40% 40% -20%;
  background: radial-gradient(60% 60% at 50% 50%, color-mix(in srgb, var(--green-300) 26%, transparent), transparent 70%);
  pointer-events: none; z-index: 0;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.14fr .86fr; gap: 56px; align-items: center;
}

.eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 600; letter-spacing: .04em;
  color: var(--green-700); background: var(--green-100);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: clamp(2.15rem, 4.5vw, 3.15rem);
  letter-spacing: -0.032em; margin-bottom: .42em;
  text-wrap: balance;
}
.lede { font-size: 1.19rem; color: var(--ink-soft); max-width: 46ch; }
.lede em { color: var(--ink); font-style: italic; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 2rem 0 1.9rem; }

.trust { list-style: none; display: grid; gap: .55rem; font-size: .93rem; color: var(--ink-muted); }
.trust li { padding-left: 24px; position: relative; }
.trust li::before {
  content: ""; position: absolute; left: 4px; top: .62em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--green-300);
}

/* Marco de teléfono */
.phone {
  border-radius: 34px; padding: 9px; background: linear-gradient(160deg, #2C332E, #171C19);
  box-shadow: var(--shadow-lg); max-width: 340px; margin: 0 auto;
}
.phone img { border-radius: 26px; }
.phone-lg { max-width: 372px; }

.card-shot {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md); border: 1px solid var(--line);
  max-width: 460px; margin: 0 auto; background: var(--surface);
}

.hero-art { position: relative; }
.pull-quote {
  margin: 26px auto 0; max-width: 400px; text-align: center;
}
.pull-quote blockquote {
  margin: 0; font-size: .98rem; line-height: 1.5; color: var(--ink-soft); font-style: italic;
  border-left: 3px solid var(--gold-500); padding-left: 16px; text-align: left;
}

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero { padding-top: 40px; }
  .lede { max-width: none; }
}

/* ── Bandas ───────────────────────────────────────────────────────────── */
.band { padding: 86px 0; background: var(--surface); border-block: 1px solid var(--line); }
.band-title { font-size: clamp(1.55rem, 3.2vw, 2.25rem); max-width: 26ch; margin-bottom: 2.4rem; }
.band-title-sm { font-size: clamp(1.3rem, 2.4vw, 1.6rem); margin-bottom: 1.2rem; }

.band-dark { background: var(--green-900); border-color: var(--green-900); color: var(--on-dark); }
.band-dark .band-title { color: #fff; }
.band-dark a { color: var(--gold-500); }

.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.cols-3 .col h3 { font-size: 1.13rem; margin-bottom: .5em; }
.cols-3 .col p { color: var(--ink-soft); margin: 0; }

.problema .col { border-top: 3px solid var(--gold-500); padding-top: 20px; }
.privacy .col { border-top: 3px solid var(--green-300); padding-top: 20px; }

@media (max-width: 860px) {
  .cols-2, .cols-3 { grid-template-columns: 1fr; gap: 34px; }
}

/* ── Pasos ────────────────────────────────────────────────────────────── */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; box-shadow: var(--shadow-sm);
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--green-100); color: var(--green-700);
  font-weight: 700; font-size: 1.06rem; margin-bottom: 18px;
}
.step h3 { font-size: 1.28rem; }
.step p { color: var(--ink-soft); margin: 0; }

@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ── Bloques de feature ───────────────────────────────────────────────── */
.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  padding: 54px 0; border-top: 1px solid var(--line);
}
.feature:first-of-type { border-top: 0; padding-top: 8px; }
.feature-reverse .feature-copy { order: 2; }
.feature-reverse .feature-art { order: 1; }

.feature-tag {
  text-transform: uppercase; letter-spacing: .12em; font-size: .74rem;
  font-weight: 700; color: var(--gold-700); margin: 0 0 .7rem;
}
.feature-copy h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.feature-copy > p { color: var(--ink-soft); font-size: 1.05rem; }

.ticks { list-style: none; display: grid; gap: .7rem; margin-top: 1.4rem; }
.ticks li { padding-left: 30px; position: relative; color: var(--ink-soft); }
.ticks li::before {
  content: ""; position: absolute; left: 4px; top: .46em;
  width: 14px; height: 8px; border-left: 2.4px solid var(--green-600);
  border-bottom: 2.4px solid var(--green-600); transform: rotate(-45deg);
}
.ticks-light li { color: var(--on-dark-soft); }
.ticks-light li::before { border-color: var(--green-300); }

.crosses { list-style: none; display: grid; gap: .7rem; }
.crosses li { padding-left: 30px; position: relative; color: var(--on-dark-soft); }
.crosses li::before {
  content: "×"; position: absolute; left: 6px; top: -1px;
  color: var(--gold-500); font-size: 1.35rem; line-height: 1.45;
}

@media (max-width: 940px) {
  .feature { grid-template-columns: 1fr; gap: 34px; padding: 44px 0; }
  .feature-reverse .feature-copy, .feature-reverse .feature-art { order: initial; }
}

/* ── Grid de funcionalidades ──────────────────────────────────────────── */
.grid-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.fcard {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.fcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.fcard h3 { font-size: 1.08rem; margin-bottom: .45em; }
.fcard p { color: var(--ink-soft); font-size: .96rem; margin: 0; }

@media (max-width: 980px) { .grid-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px)  { .grid-features { grid-template-columns: 1fr; } }

/* ── Tabla comparativa ────────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.compare {
  width: 100%; min-width: 780px; border-collapse: separate; border-spacing: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; font-size: .95rem;
}
.compare th, .compare td { padding: 15px 16px; text-align: left; vertical-align: middle; }
.compare thead th {
  background: var(--cream); font-size: .84rem; font-weight: 700;
  color: var(--ink-soft); border-bottom: 1px solid var(--line);
  text-transform: uppercase; letter-spacing: .05em;
}
.compare thead .th-us { background: var(--green-800); color: #fff; letter-spacing: .03em; }
.compare tbody th { font-weight: 600; color: var(--ink); width: 27%; }
.compare tbody tr + tr th, .compare tbody tr + tr td { border-top: 1px solid var(--line); }
.compare .td-us { background: color-mix(in srgb, var(--green-100) 60%, transparent); }

.mark { font-size: .9rem; }
.mark.yes { color: var(--green-600); font-weight: 700; }
.mark.no  { color: var(--ink-muted); }
.mark.part { color: var(--gold-700); }

@media (prefers-color-scheme: dark) {
  .compare thead .th-us { background: var(--green-700); color: #0E1712; }
}

/* ── Precios ──────────────────────────────────────────────────────────── */
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.plan {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 34px 30px; box-shadow: var(--shadow-sm);
}
.plan-featured {
  border: 2px solid var(--green-700); box-shadow: var(--shadow-md); position: relative;
}
.plan-badge {
  position: absolute; top: -14px; left: 30px;
  background: var(--gold-600); color: #fff; font-size: .74rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 13px; border-radius: 999px; margin: 0;
}
.plan h3 { font-size: 1.45rem; margin-bottom: .2em; }
.price { margin: 0 0 .3em; }
.price .amount { font-size: 2.9rem; font-weight: 700; letter-spacing: -0.03em; }
.price .per { font-size: 1.02rem; color: var(--ink-muted); margin-left: 4px; }
.plan-sub { color: var(--ink-muted); font-size: .96rem; }
.plan .ticks { margin-bottom: 1.9rem; }
.fineprint { font-size: .85rem; color: var(--ink-muted); margin-top: 1.6rem; }

@media (max-width: 860px) { .pricing { grid-template-columns: 1fr; } .plan-featured { margin-top: 14px; } }

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq details {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 19px 52px 19px 22px; font-weight: 600;
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 24px; top: 50%;
  width: 9px; height: 9px; margin-top: -6px;
  border-right: 2px solid var(--green-600); border-bottom: 2px solid var(--green-600);
  transform: rotate(45deg); transition: transform .18s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { padding: 0 22px 20px; margin: 0; color: var(--ink-soft); }

/* ── CTA final ────────────────────────────────────────────────────────── */
.cta-final {
  background: var(--green-900); color: var(--on-dark);
  padding: 92px 0; text-align: center;
}
.cta-final h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: .5em; }
.cta-final .lede { color: var(--on-dark-soft); margin: 0 auto 2.6rem; max-width: 54ch; }

.access-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  text-align: left; max-width: 640px; margin: 0 auto;
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field-wide { grid-column: 1 / -1; }
.field label { font-size: .86rem; font-weight: 600; color: var(--on-dark-soft); }
.field input {
  font: inherit; font-size: 1rem; padding: 14px 16px;
  border-radius: 12px; border: 1.5px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06); color: #fff;
}
.field input::placeholder { color: rgba(255,255,255,.38); }
.field input:focus { border-color: var(--gold-500); background: rgba(255,255,255,.10); }
.field input[aria-invalid="true"] { border-color: #E8836F; }

.cta-final .btn-primary { background: var(--gold-600); color: #14100A; }
.cta-final .btn-primary:hover { background: var(--gold-500); }

.form-note { font-size: .84rem; color: rgba(255,255,255,.5); margin: 0; text-align: center; }
.form-status { margin: 0; font-size: .95rem; text-align: center; min-height: 1.4em; }
.form-status.ok { color: var(--gold-500); }
.form-status.err { color: #F0A090; }

@media (max-width: 640px) { .access-form { grid-template-columns: 1fr; } }

/* ── Pie ──────────────────────────────────────────────────────────────── */
.site-footer { background: var(--cream-alt); border-top: 1px solid var(--line); padding: 52px 0 30px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; align-items: flex-start; }
.footer-brand { max-width: 330px; }
.footer-note { font-size: .84rem; color: var(--ink-muted); margin: .5rem 0 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.footer-nav a { color: var(--ink-soft); text-decoration: none; font-size: .93rem; }
.footer-nav a:hover { color: var(--ink); text-decoration: underline; }
.footer-legal { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); }
.footer-legal p { font-size: .84rem; color: var(--ink-muted); margin: 0; }

/* ── Página legal simple ──────────────────────────────────────────────── */
.legal { padding: 64px 0 90px; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.legal h2 { font-size: 1.25rem; margin-top: 2.2em; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { padding-left: 1.3em; }
.legal li { margin-bottom: .4em; }
.legal .updated { font-size: .9rem; color: var(--ink-muted); }
.legal .todo {
  background: var(--gold-100); border-left: 4px solid var(--gold-600);
  padding: 16px 18px; border-radius: 0 10px 10px 0; margin: 1.6em 0;
  font-size: .95rem; color: var(--ink);
}

/* ── Movimiento ───────────────────────────────────────────────────────── */
/* No hay animaciones de aparición al hacer scroll: ocultar contenido por
   defecto y revelarlo con JS deja la página en blanco en cualquier cliente que
   no ejecute IntersectionObserver (webviews reducidas, previsualizadores de
   enlaces, rastreadores). El contenido de una landing no se esconde. */
@media (prefers-reduced-motion: reduce) {
  .fcard:hover { transform: none; }
}