/* =============================================
   TERCER SET — LANDING PAGE
   Self-hosted Inter, vanilla CSS
   ============================================= */

/* --- FUENTES --- */
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* --- VARIABLES --- */
:root {
  --verde:       #1C5740;
  --verde-medio: #2E7D5B;
  --verde-claro: #E8F2EC;
  --verde-oscuro: #164534;
  --verde-noche: #0F3325;
  --amarillo:    #E4F03A;
  --fondo:       #F6F7F4;
  --borde:       #DDE0DA;
  --texto:       #1A1D1B;
  --texto-gris:  #5F6560;
  --blanco:      #FFFFFF;

  --radio-card:  16px;
  --radio-btn:   12px;
  --sombra-card: 0 16px 44px rgba(15, 51, 37, 0.12);
  --sombra-hero: 0 24px 60px rgba(15, 51, 37, 0.35);

  --max-w: 1120px;
  --pad-x: 20px;
  --sec-pad: clamp(56px, 9vw, 104px);
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* --- UTILIDADES --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-medio);
  margin-bottom: 14px;
}
.section-label--light { color: #A9D4BD; }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--verde);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blanco);
}
.site-header__brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--blanco);
}
.site-header__login {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: #E8F2EC;
  text-decoration: none;
  border: 1px solid rgba(233, 242, 236, 0.28);
  padding: 8px 16px;
  border-radius: 999px;
  transition: border-color 0.18s, color 0.18s;
}
.site-header__login:hover { border-color: var(--amarillo); color: var(--amarillo); }

/* --- Isotipo SVG (inline, reutilizable) --- */
.isotipo {
  flex: none;
  width: 28px;
  height: 28px;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  background: var(--verde);
  color: var(--blanco);
  padding-top: 60px; /* compensa header fijo */
}
.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.hero__body {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: center;
  padding: 56px 0 72px;
}
.hero__text { flex: 1 1 360px; min-width: 300px; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(233, 242, 236, 0.10);
  border: 1px solid rgba(169, 212, 189, 0.25);
  color: #A9D4BD;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--amarillo);
  flex: none;
}

.hero__title {
  font-size: clamp(33px, 6.2vw, 58px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
}
.hero__subtitle {
  font-size: clamp(16px, 2.4vw, 19px);
  line-height: 1.6;
  color: #CDE3D7;
  max-width: 34em;
  margin: 0 0 32px;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amarillo);
  color: var(--verde-noche);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 26px;
  border-radius: var(--radio-btn);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
  transition: background 0.18s, transform 0.18s;
  border: none;
}
.btn-primary:hover { background: #EEF74E; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blanco);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  padding: 15px 22px;
  border-radius: var(--radio-btn);
  border: 1px solid rgba(233, 242, 236, 0.30);
  transition: border-color 0.18s, background 0.18s;
}
.btn-secondary:hover { border-color: #A9D4BD; background: rgba(233, 242, 236, 0.06); }
.btn-secondary svg { transition: transform 0.18s; }
.btn-secondary:hover svg { transform: translateX(3px); }

/* Browser mockup del hero */
.hero__mockup { flex: 1 1 380px; min-width: 300px; }
.browser-frame {
  background: var(--blanco);
  border-radius: var(--radio-card);
  box-shadow: var(--sombra-hero);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.browser-frame__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--fondo);
  border-bottom: 1px solid var(--borde);
}
.browser-frame__dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--borde);
  flex: none;
}
.browser-frame__url {
  flex: 1;
  min-width: 0;
  margin-left: 12px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: #9AA39C;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.browser-frame__url--small { font-size: 11px; }
.browser-frame img { width: 100%; height: auto; }

/* =============================================
   SECCIONES GENÉRICAS
   ============================================= */
.sec { border-bottom: 1px solid var(--borde); }
.sec--white { background: var(--blanco); }
.sec--fondo  { background: var(--fondo); }
.sec__inner { padding: var(--sec-pad) var(--pad-x); max-width: var(--max-w); margin: 0 auto; }

.sec__title {
  font-size: clamp(27px, 4.6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--verde);
  margin: 0 0 48px;
}
.sec__lead {
  font-size: clamp(16px, 2.3vw, 18px);
  line-height: 1.65;
  color: var(--texto-gris);
  max-width: 44em;
  margin: 0 0 44px;
}

/* =============================================
   SECCIÓN: EL PROBLEMA
   ============================================= */
.problema__title { max-width: 16em; margin-bottom: 18px; }
.problema__lead  { max-width: 44em; }

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #ECECEA;
  border: 1px solid #C4C8C4;
  border-radius: 14px;
  padding: 20px;
}
.pain-card__icon {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #F5E9E8;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pain-card__icon svg { width: 20px; height: 20px; color: #9B3A2E; stroke-width: 2.5; }
.pain-card__text {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--texto);
}

/* =============================================
   SECCIÓN: CÓMO FUNCIONA
   ============================================= */
.pasos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.paso {
  border-top: 2px solid var(--borde);
  padding-top: 22px;
}
.paso__num-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.paso__num {
  font-size: 30px;
  font-weight: 800;
  color: var(--verde);
  letter-spacing: -0.02em;
  line-height: 1;
}
.paso__dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--amarillo);
}
.paso__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--texto);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.paso__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--texto-gris);
  margin: 0;
}

/* =============================================
   SECCIÓN: PRODUCTO POR DENTRO
   ============================================= */
.producto__title { max-width: 100%; margin-bottom: 16px; }
.producto__lead  { max-width: 42em; margin-bottom: 44px; }

.capturas { display: flex; flex-direction: column; gap: 30px; margin-bottom: 44px; }
.capturas__main { max-width: 920px; }

.captura-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: flex-start;
}
.captura-wide {
  flex: 1 1 400px;
  min-width: 280px;
  max-width: 640px;
}
.captura-mobile-wrap {
  flex: 0 1 300px;
  min-width: 240px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

figure { margin: 0; }
figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 14px;
  color: var(--texto-gris);
}
figcaption svg { width: 16px; height: 16px; color: var(--verde-medio); flex: none; }
.captura-mobile-wrap figcaption { text-align: center; margin-top: 20px; }

/* Sombra contenida para las capturas del producto (evita que tape el figcaption) */
.capturas .browser-frame {
  box-shadow: 0 6px 20px rgba(15, 51, 37, 0.14);
}

/* Marco de celular */
.phone-frame {
  width: 100%;
  max-width: 290px;
  background: var(--verde);
  border-radius: 38px;
  padding: 10px;
  box-shadow: 0 18px 44px rgba(15, 51, 37, 0.22);
}
.phone-frame__screen {
  background: var(--verde-noche);
  border-radius: 29px;
  overflow: hidden;
}
.phone-frame__notch {
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-frame__notch-bar {
  width: 58px;
  height: 6px;
  border-radius: 999px;
  background: rgba(233, 242, 236, 0.22);
}

.btn-demo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--verde);
  color: var(--blanco);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 26px;
  border-radius: var(--radio-btn);
  transition: background 0.18s;
}
.btn-demo:hover { background: var(--verde-oscuro); }
.btn-demo svg { width: 19px; height: 19px; }

/* =============================================
   SECCIÓN: POR QUÉ TERCER SET
   ============================================= */
.diferencial__title { max-width: 14em; }

.dif-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.dif-card {
  background: var(--fondo);
  border: 1px solid var(--borde);
  border-radius: var(--radio-card);
  padding: 26px;
}
.dif-card--dark {
  background: var(--verde);
  border-color: var(--verde-oscuro);
  color: var(--blanco);
}
.dif-card__icon {
  display: inline-flex;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--verde-claro);
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.dif-card--dark .dif-card__icon {
  background: rgba(233, 242, 236, 0.12);
}
.dif-card__icon svg { width: 23px; height: 23px; color: var(--verde); }
.dif-card--dark .dif-card__icon svg { color: var(--amarillo); }
.dif-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--texto);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.dif-card--dark .dif-card__title { color: var(--blanco); }
.dif-card__desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--texto-gris);
  margin: 0;
}
.dif-card--dark .dif-card__desc { color: #CDE3D7; }
.dif-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  color: var(--verde);
  background: var(--amarillo);
  padding: 5px 11px;
  border-radius: 999px;
  margin-top: 12px;
}

.dif__nota {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  text-align: center;
  font-size: 15px;
  color: var(--texto-gris);
  margin: 40px 0 0;
}
.dif__nota svg { width: 17px; height: 17px; color: var(--verde-medio); flex: none; }

/* =============================================
   SECCIÓN: CTA FINAL / CIERRE
   ============================================= */
.cierre {
  background: linear-gradient(180deg, #164534 0%, #0F3325 100%);
  color: var(--blanco);
}
.cierre__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: clamp(60px, 10vw, 120px) var(--pad-x);
}
.cierre__body {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: center;
}
.cierre__text { flex: 1 1 320px; min-width: 280px; }
.cierre__title {
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--blanco);
  margin: 0 0 18px;
}
.cierre__desc {
  font-size: clamp(16px, 2.4vw, 18px);
  line-height: 1.6;
  color: #CDE3D7;
  max-width: 32em;
  margin: 0 0 30px;
}

.btn-wa-grande {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  background: var(--amarillo);
  color: var(--verde-noche);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  padding: 17px 30px;
  border-radius: var(--radio-btn);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
  transition: background 0.18s, transform 0.18s;
}
.btn-wa-grande:hover { background: #EEF74E; transform: translateY(-1px); }
.btn-wa-grande svg { width: 21px; height: 21px; }

/* Formulario card */
.form-card {
  flex: 1 1 300px;
  min-width: 280px;
  background: var(--blanco);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}
.form-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--texto);
  margin-bottom: 4px;
}
.form-card__desc {
  font-size: 13.5px;
  color: var(--texto-gris);
  margin: 0 0 18px;
}
.form-fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.form-fields input {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--texto);
  padding: 13px 15px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  background: var(--fondo);
  outline: none;
  transition: border-color 0.18s;
}
.form-fields input:focus { border-color: var(--verde-medio); }
.form-fields input.error { border-color: #B23A2E; }
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.form-submit {
  width: 100%;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--blanco);
  background: var(--verde);
  border: none;
  padding: 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.18s;
  margin-top: 0;
}
.form-submit:hover:not(:disabled) { background: var(--verde-oscuro); }
.form-submit:disabled { opacity: 0.65; cursor: not-allowed; }

/* Estados form */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 22px 8px;
}
.form-success__icon {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--verde-claro);
  display: flex;
  align-items: center;
  justify-content: center;
}
.form-success__icon svg { width: 26px; height: 26px; color: var(--verde); }
.form-success__title { font-size: 18px; font-weight: 700; color: var(--verde); }
.form-success__desc { font-size: 14px; color: var(--texto-gris); margin: 0; }

.form-error {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
  color: #B23A2E;
}
.form-error svg { width: 16px; height: 16px; flex: none; margin-top: 1px; }
.form-error a { color: var(--verde); font-weight: 700; text-decoration: underline; }
.form-error--hidden { display: none; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--verde-noche);
  color: #CDE3D7;
}
.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 44px var(--pad-x);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-footer__brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--blanco);
  letter-spacing: -0.02em;
}
.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}
.site-footer__links a {
  color: #CDE3D7;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.18s;
}
.site-footer__links a:hover { color: var(--amarillo); }
.site-footer__links svg { width: 16px; height: 16px; }
.site-footer__copy {
  border-top: 1px solid rgba(233, 242, 236, 0.12);
}
.site-footer__copy-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px var(--pad-x);
  font-size: 13px;
  color: #7FA791;
}

/* =============================================
   MENÚ MOBILE (hamburguesa)
   ============================================= */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--blanco);
  padding: 6px;
  cursor: pointer;
}
.nav-toggle svg { display: block; width: 22px; height: 22px; }

@media (max-width: 540px) {
  .nav-toggle { display: block; }
  .site-header__login { display: none; }
  .site-header__login.is-open { display: inline-flex; }
}

/* =============================================
   RESPONSIVE
   ============================================= */

/* Tablet / small desktop */
@media (max-width: 900px) {
  .hero__body { gap: 36px; padding: 44px 0 56px; }
  .captura-pair { flex-direction: column; }
  .captura-wide { max-width: 100%; }
  .captura-mobile-wrap { max-width: 100%; flex-direction: row; align-items: center; }
  .phone-frame { max-width: 220px; }
}

/* Mobile */
@media (max-width: 640px) {
  .hero__text { flex-basis: 100%; }
  .hero__mockup { flex-basis: 100%; }
  .cierre__body { flex-direction: column; }
  .cierre__text { min-width: 0; }
  .form-card { min-width: 0; }
  .dif-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .pasos-grid { grid-template-columns: 1fr; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .hero__title { font-size: 30px; }
  .btn-primary, .btn-secondary { font-size: 15px; padding: 13px 18px; }
}