/* ========================================
   Farolabs — Design Tokens & Variables
   ======================================== */
:root {
  --color-blanco: #FFFFFF;
  --color-indigo: #1034A6;
  --color-negro: #1A1A1A;
  --color-gris: #8A8A8A;
  --color-faro: #FFFFFF;

  --font-titulos: 'Montserrat', serif;
  --font-body: 'Montserrat', system-ui, sans-serif;
  --gutter: 1.5rem;
  --container-max: 72rem;
  --transition: 0.3s ease;
  --radius: 0.5rem;
  --header-h: 4rem;
}

/* ========================================
   Base / Reset
   ======================================== */
*,
*::before,
*::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); font-size: 100%; }

body {
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--color-negro);
  background: var(--color-blanco);
  font-weight: 400;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; border: none; outline: none; }

/* ========================================
   Utilities
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: 5rem 0; }

.section__title {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  color: var(--color-indigo);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.section__desc {
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-negro);
  max-width: 36rem;
  margin: 0 auto 3rem;
  opacity: 0.8;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-indigo);
  color: var(--color-blanco);
  border-radius: var(--radius);
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0;            /* puntas agudas (estilo farolabs-v2) */
  font-weight: 600;
  border: 2px solid transparent;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn--primary { background: var(--color-indigo); color: var(--color-blanco); border-color: var(--color-indigo); }
.btn--primary:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-indigo);
}
.btn--full { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  z-index: 100;
  border-bottom: 1px solid rgba(138,138,138,0.2);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo { display: flex; align-items: center; gap: 0.5rem; }
.header__logo-icon { width: auto; height: 22px; display: block; }
.header__logo-text { font-weight: 700; letter-spacing: 0.08em; color: var(--color-indigo); }
.header__menu-btn { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; }
.header__menu-btn span { width: 24px; height: 2px; background: var(--color-negro); transition: var(--transition); }
.header__nav-list { display: flex; gap: 1.5rem; }
.header__nav-link { font-weight: 500; color: var(--color-negro); }
.header__nav-link:hover { color: var(--color-indigo); }

/* ========================================
   Hero (split + reveal)
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg, .hero__overlay { position: absolute; inset: 0; }
.hero__bg-img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay { background: rgba(26,26,26,0.55); }

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  align-items: center;
}
.hero__intro { color: var(--color-blanco); position: relative; }
.hero__title {
  font-family: var(--font-titulos);
  font-weight: 800;
  font-size: clamp(3.5rem, 11vw, 7.5rem);
  line-height: 1.02;
  letter-spacing: 0.005em;
  margin-bottom: 1.25rem;
}
.hero__subtitle { font-family: var(--font-body); font-weight: 700; font-size: clamp(1.4rem, 3vw, 2.1rem); max-width: 40rem; margin-bottom: 1.75rem; opacity: 0.95; line-height: 1.4; }

/* Faro morse (aparece al abrir el panel, centrado horizontal y subido verticalmente) */
.hero__faro {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--color-blanco);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.hero.is-open .hero__faro {
  opacity: 1;
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
}
.hero__faro-icon { width: 96px; height: 96px; }
.hero__faro-lighthouse { position: relative; display: inline-block; }
.hero__faro-img { width: 288px; height: auto; display: block; }
.hero__faro-light {
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-faro);
  box-shadow: 0 0 12px 4px var(--color-faro);
  animation: morse-farolabs 6s steps(1, end) infinite;
}
@keyframes morse-farolabs {
  0%, 5%, 10% { opacity: 1; } 7% { opacity: 0.15; }
  15%, 20% { opacity: 1; } 17% { opacity: 0.15; }
  25% { opacity: 1; } 27% { opacity: 0.15; }
  30%, 35% { opacity: 1; } 32% { opacity: 0.15; }
  40% { opacity: 1; } 42% { opacity: 0.15; }
  45%, 50% { opacity: 1; } 47% { opacity: 0.15; }
  55% { opacity: 1; } 57% { opacity: 0.15; }
  60%, 65% { opacity: 1; } 62% { opacity: 0.15; }
  70% { opacity: 1; } 72% { opacity: 0.15; }
  75%, 80% { opacity: 1; } 77% { opacity: 0.15; }
  85% { opacity: 1; } 87% { opacity: 0.15; }
  90%, 95% { opacity: 1; } 92% { opacity: 0.15; }
  100% { opacity: 1; }
}

/* Panel que se revela (columna derecha) */
.hero__panel {
  background: rgba(255,255,255,0.97);
  border-radius: 0;            /* puntas agudas, coherente con el formulario */
  padding: 1.25rem;
  align-self: center;
  transition: grid-column var(--transition);
}
.hero__toggle { width: 100%; }
.hero__panel-form { margin-top: 1rem; }

/* Estado abierto (lo controla JS con clase .is-open en .hero) */
.hero__faro[hidden] { display: none; }
.hero__panel-form[hidden] { display: none; }

.hero__panel { position: relative; }
.hero.is-open .hero__panel { background: rgba(255,255,255,1); }

/* Botón cerrar: esquina superior derecha, mismo nivel que la etiqueta "Nombre" */
.hero.is-open .hero__toggle {
  position: absolute;
  top: 0.85rem;
  right: 0.75rem;
  width: auto;
  padding: 0.35rem 0.6rem;
  background: transparent;
  color: var(--color-gris);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 3;
}
.hero.is-open .hero__toggle:hover { color: var(--color-negro); background: transparent; }

/* Escritorio: el panel crece y empuja el texto; el título se desvanece y aparece el faro */
@media (min-width: 768px) {
  .hero.is-open .hero__inner { grid-template-columns: 0.85fr 1.15fr; }
  .hero.is-open .hero__intro-text {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .hero.is-open .hero__faro { display: flex; }
  .hero__panel { transition: grid-column var(--transition), background var(--transition); }
  .hero__inner { transition: grid-template-columns var(--transition); }
}
/* Móvil: el faro se va a la esquina superior derecha (aprovecha el hueco al lado de Farolabs) */
@media (max-width: 767px) {
  .hero.is-open .hero__faro {
    position: absolute;
    top: 0.25rem;
    right: 0;
    left: auto;
    transform: none;
    margin: 0;
  }
  .hero.is-open .hero__faro-img { width: 132px; }
}

/* ========================================
   Formulario
   ======================================== */
.form { display: grid; gap: 1rem; }
.form__grid { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
.form__group { display: flex; flex-direction: column; gap: 0.35rem; }
.form__group--full { grid-column: 1 / -1; }
.form__label { font-weight: 600; font-size: 0.9rem; color: var(--color-negro); }
.form__input {
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-gris);
  border-radius: 0;            /* puntas agudas (estilo farolabs-v2) */
  background: var(--color-blanco);
  color: var(--color-negro);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.form__input:focus {
  outline: none;
  border-color: var(--color-indigo);
  box-shadow: 2px 2px 0 var(--color-indigo);   /* sombra dura, sin difuminado */
}
.form__input:hover { transform: translate(-1px, -1px); }
.form__input.error { border-color: #C0392B; box-shadow: 2px 2px 0 #C0392B; }
.form__input.valid { border-color: #27AE60; box-shadow: 2px 2px 0 #27AE60; }
textarea.form__input {
  resize: none;            /* no redimensionable en ningún sentido */
  overflow-y: auto;        /* barra de scroll interna si el texto crece */
  min-height: 6rem;
}
.form__error { color: #C0392B; font-size: 0.8rem; min-height: 1rem; }
.form__submit { position: relative; display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.form__spinner {
  width: 1rem; height: 1rem;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: var(--color-blanco);
  border-radius: 50%;
  display: none;
  animation: spin 0.8s linear infinite;
}
.form__submit.loading .form__spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.form__status { text-align: center; font-weight: 500; min-height: 1.25rem; }
.form__status.success { color: #27AE60; }
.form__status.error { color: #C0392B; }

/* ========================================
   Bitácora del Faro
   ======================================== */
.bitacora { background: var(--color-blanco); }
.bitacora__lista {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 48rem;
  margin: 0 auto;
}
.bitacora__entrada {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--color-blanco);
  border: 1px solid rgba(138,138,138,0.25);
  border-left: 4px solid var(--color-indigo);
  border-radius: 0;            /* estética aguda */
  transition: transform var(--transition), box-shadow var(--transition);
}
.bitacora__entrada:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-indigo);
}
.bitacora__num {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--color-indigo);
  line-height: 1;
  min-width: 2.5rem;
}
.bitacora__titulo {
  font-family: var(--font-titulos);
  color: var(--color-indigo);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}
.bitacora__texto { color: var(--color-gris); font-size: 1rem; line-height: 1.5; }

/* ========================================
   Footer
   ======================================== */
.footer { background: var(--color-negro); color: var(--color-blanco); padding: 2rem 0; }
.footer__inner { display: flex; flex-direction: column; gap: 1rem; align-items: center; text-align: center; }
.footer__logo { width: auto; height: 18px; display: block; }
.footer__name { font-weight: 700; letter-spacing: 0.08em; }
.footer__copy { font-size: 0.85rem; opacity: 0.7; }

/* ========================================
   Responsive
   ======================================== */
@media (min-width: 768px) {
  .hero__inner { grid-template-columns: 1fr 0.4fr; }
  .footer__inner { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (max-width: 767px) {
  .header__menu-btn { display: flex; }
  .header__nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: var(--color-blanco);
    flex-direction: column;
    padding: 1rem var(--gutter);
    border-bottom: 1px solid rgba(138,138,138,0.2);
    transform: translateY(-150%);
    transition: transform var(--transition);
  }
  .header__nav.open { transform: translateY(0); }
  .header__nav-list { flex-direction: column; gap: 1rem; }
  .form__grid { grid-template-columns: 1fr; }
}