/* ═══════════════════════════════════════════════════════════════
   styles.css — Mi Mejor Retrato
   ═══════════════════════════════════════════════════════════════
   ARQUITECTURA CSS:
   1. Tokens (variables)
   2. Reset
   3. Componentes globales (nav, botones, secciones)
   4. Secciones específicas (hero, proceso, galería…)
   5. Formulario
   6. Footer
   7. Utilitarios (reveal, divider)
   8. Animaciones
   9. Media queries

   CONVENCIÓN DE NOMBRES: BEM suave.
   Clase base: .section / .hero / .form
   Modificador: .hero-h1 / .btn-primary / .campo-nota
   ═══════════════════════════════════════════════════════════════ */

/* ─── 1. TOKENS ──────────────────────────────────────────────── */
:root {
  /* Paleta de color — dark mode navy */
  --cream:  #0D1B2A;
  --warm:   #0F2236;
  --sand:   #1E3A52;
  --bark:   #7BAEC8;
  --ink:    #E8F1F8;
  --gold:   #F07030;
  --terra:  #F07030;
  --sky:    #7B6FB5;
  --white:  #132237;

  /* Tipografía */
  --ff-display: 'Fraunces', Georgia, serif;
  --ff-body:    'DM Sans', system-ui, sans-serif;

  /* Layout */
  --radius: 4px;
  --max:    680px;

  /* Espaciado base */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  48px;
  --space-xl:  72px;
}

/* ─── 2. RESET ───────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 56px; /* altura del nav sticky */
}

body {
  background:           var(--cream);
  color:                var(--ink);
  font-family:          var(--ff-body);
  font-size:            16px;
  line-height:          1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display:   block;
  max-width: 100%;
}

a { color: inherit; }

details summary {
  list-style: none;
  cursor:     pointer;
}
details summary::-webkit-details-marker { display: none; }

/* ─── 3. COMPONENTES GLOBALES ────────────────────────────────── */

/* — Nav — */
.nav {
  position:         sticky;
  top:              0;
  z-index:          100;
  background:       rgba(13, 27, 42, 0.92);
  backdrop-filter:  blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom:    1px solid var(--sand);
  display:          flex;
  align-items:      center;
  justify-content:  space-between;
  padding:          0 20px;
  height:           56px;
}

.nav-logo {
  font-family:     var(--ff-display);
  font-weight:     700;
  font-size:       1rem;
  letter-spacing:  -.01em;
  text-decoration: none;
  color:           var(--ink);
}
.nav-logo span { color: var(--terra); }

.nav-cta {
  background:      var(--terra);
  color:           #fff;
  text-decoration: none;
  font-size:       .8rem;
  font-weight:     500;
  letter-spacing:  .04em;
  text-transform:  uppercase;
  padding:         8px 18px;
  border-radius:   100px;
  transition:      background .2s, transform .15s;
}
.nav-cta:hover {
  background:  #D95E22;
  transform:   scale(1.03);
}

/* — Botones — */
.btn-primary {
  background:      var(--terra);
  color:           #fff;
  text-decoration: none;
  font-size:       .85rem;
  font-weight:     500;
  padding:         14px 28px;
  border-radius:   100px;
  letter-spacing:  .02em;
  transition:      background .2s, transform .15s;
  display:         inline-block;
}
.btn-primary:hover {
  background: #D95E22;
  transform:  translateY(-2px);
}

.btn-ghost {
  background:      transparent;
  color:           var(--bark);
  text-decoration: none;
  font-size:       .85rem;
  font-weight:     400;
  padding:         14px 0;
  letter-spacing:  .01em;
  border-bottom:   1px solid var(--sand);
  transition:      border-color .2s, color .2s;
  display:         inline-block;
}
.btn-ghost:hover {
  color:         var(--terra);
  border-color:  var(--terra);
}

/* — Sección base — */
.section {
  max-width: var(--max);
  margin:    0 auto;
  padding:   var(--space-xl) 20px;
}

.section-label {
  font-size:      .7rem;
  font-weight:    500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color:          var(--terra);
  margin-bottom:  14px;
}

.section-h2 {
  font-family:    var(--ff-display);
  font-weight:    700;
  font-size:      clamp(1.8rem, 5vw, 2.5rem);
  line-height:    1.15;
  letter-spacing: -.025em;
  color:          var(--ink);
  margin-bottom:  20px;
}
.section-h2 em {
  font-style:  italic;
  font-weight: 300;
  color:       var(--terra);
}

.section-body {
  font-size:   .97rem;
  color:       var(--bark);
  line-height: 1.75;
}
.section-body p + p { margin-top: 14px; }

/* ─── 4. HERO ────────────────────────────────────────────────── */
.hero {
  min-height:      92svh;
  display:         grid;
  grid-template-rows: 1fr auto;
  padding:         0 20px 48px;
  overflow:        hidden;
  position:        relative;
}

/* Fondo decorativo con gradientes */
.hero-texture {
  position:        absolute;
  inset:           0;
  pointer-events:  none;
  z-index:         0;
  background-image:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(123,111,181,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(240,112,48,.10) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 50% 50%, rgba(30,58,82,.6) 0%, transparent 70%);
}

.hero-content {
  position:        relative;
  z-index:         1;
  display:         flex;
  flex-direction:  column;
  justify-content: center;
  padding-top:     60px;
  max-width:       var(--max);
  margin:          0 auto;
  width:           100%;
}

.hero-label {
  display:         inline-block;
  font-size:       .72rem;
  font-weight:     500;
  letter-spacing:  .12em;
  text-transform:  uppercase;
  color:           var(--terra);
  margin-bottom:   20px;
  opacity:         0;
  animation:       fadeUp .6s .1s forwards;
}

.hero-h1 {
  font-family:    var(--ff-display);
  font-weight:    700;
  font-size:      clamp(2.4rem, 8vw, 4rem);
  line-height:    1.1;
  letter-spacing: -.03em;
  color:          var(--ink);
  margin-bottom:  22px;
  opacity:        0;
  animation:      fadeUp .7s .2s forwards;
}
.hero-h1 em {
  font-style:  italic;
  font-weight: 300;
  color:       var(--terra);
}

.hero-sub {
  font-size:     1rem;
  color:         var(--bark);
  max-width:     420px;
  line-height:   1.7;
  margin-bottom: 36px;
  opacity:       0;
  animation:     fadeUp .7s .35s forwards;
}

.hero-ctas {
  display:   flex;
  gap:       12px;
  flex-wrap: wrap;
  opacity:   0;
  animation: fadeUp .7s .5s forwards;
}

/* Pill de quote en el hero */
.hero-quote-pill {
  position:  relative;
  z-index:   1;
  max-width: var(--max);
  margin:    0 auto;
  width:     100%;
  opacity:   0;
  animation: fadeUp .7s .65s forwards;
}

.hero-quote-pill blockquote {
  display:     inline-flex;
  align-items: flex-start;
  gap:         10px;
  background:  var(--white);
  border:      1px solid var(--sand);
  border-radius: 12px;
  padding:     14px 18px;
  font-family: var(--ff-display);
  font-style:  italic;
  font-size:   .92rem;
  color:       var(--bark);
  line-height: 1.5;
}
.hero-quote-pill blockquote::before {
  content:    '"';
  font-size:  2rem;
  line-height: 1;
  color:      var(--sky);
  opacity:    .7;
  flex-shrink: 0;
  margin-top: -4px;
}

/* ─── 5. UVP / DIFERENCIA ────────────────────────────────────── */
.uvp-callout {
  background:    linear-gradient(135deg, #1A2E45 0%, #1C2A42 100%);
  border:        1px solid rgba(123,111,181,.3);
  border-radius: 16px;
  padding:       32px 28px;
  margin-top:    32px;
}
.uvp-callout p {
  font-family: var(--ff-display);
  font-style:  italic;
  font-size:   1.2rem;
  color:       var(--ink);
  line-height: 1.5;
}
.uvp-callout p strong {
  font-style:  normal;
  font-weight: 700;
  color:       var(--terra);
}

.ejemplos-grid {
  display:    grid;
  gap:        12px;
  margin-top: 28px;
}
.ejemplo-card {
  background:    var(--white);
  border:        1px solid var(--sand);
  border-radius: 10px;
  padding:       18px 20px;
  display:       flex;
  gap:           14px;
  align-items:   flex-start;
}
.ejemplo-icon {
  font-size:  1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.ejemplo-text {
  font-size:   .92rem;
  color:       var(--bark);
  line-height: 1.6;
}
.ejemplo-text strong {
  color:       var(--ink);
  font-weight: 500;
}

/* ─── 6. PROCESO ─────────────────────────────────────────────── */
.proceso-bg {
  background:    var(--warm);
  border-top:    1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
}

.proceso-steps {
  display:    grid;
  gap:        0;
  margin-top: 36px;
  position:   relative;
}

/* Línea conectora vertical */
.proceso-steps::before {
  content:       '';
  position:      absolute;
  left:          19px;
  top:           28px;
  bottom:        28px;
  width:         2px;
  background:    linear-gradient(to bottom, var(--terra), var(--sky));
  border-radius: 2px;
}

.paso {
  display:               grid;
  grid-template-columns: 40px 1fr;
  gap:                   16px;
  padding-bottom:        36px;
  position:              relative;
}
.paso:last-child { padding-bottom: 0; }

.paso-num {
  width:           40px;
  height:          40px;
  border-radius:   50%;
  background:      var(--terra);
  color:           #fff;
  font-size:       .78rem;
  font-weight:     500;
  display:         flex;
  align-items:     center;
  justify-content: center;
  flex-shrink:     0;
  position:        relative;
  z-index:         1;
  letter-spacing:  .04em;
}

.paso-label {
  font-size:      .68rem;
  font-weight:    500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color:          var(--sky);
  margin-bottom:  4px;
}

.paso-titulo {
  font-family:    var(--ff-display);
  font-weight:    700;
  font-size:      1.1rem;
  color:          var(--ink);
  margin-bottom:  8px;
  letter-spacing: -.01em;
}

.paso-desc {
  font-size:   .92rem;
  color:       var(--bark);
  line-height: 1.7;
}

/* ─── 7. GALERÍA ─────────────────────────────────────────────── */
.galeria-strip {
  display:               grid;
  grid-template-columns: repeat(2, 1fr);
  gap:                   3px;
  margin-top:            32px;
  border-radius:         12px;
  overflow:              hidden;
}

.galeria-item {
  position:      relative;
  aspect-ratio:  4/5;
  background:    var(--warm);
  overflow:      hidden;
}
.galeria-item.wide {
  grid-column:  span 2;
  aspect-ratio: 16/9;
}

.galeria-item img {
  width:      100%;
  height:     100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.galeria-item:hover img { transform: scale(1.04); }

.galeria-item figcaption {
  position:   absolute;
  bottom:     0;
  left:       0;
  right:      0;
  padding:    28px 16px 14px;
  background: linear-gradient(transparent, rgba(8,18,32,.85));
  color:      rgba(232,241,248,.9);
  font-size:  .78rem;
  line-height: 1.4;
  font-family: var(--ff-display);
  font-style: italic;
  transform:  translateY(4px);
  transition: transform .3s;
}
.galeria-item:hover figcaption { transform: translateY(0); }

/* Placeholder de galería cuando no hay imágenes reales */
.galeria-placeholder {
  width:           100%;
  height:          100%;
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       2rem;
  background:      var(--white);
  opacity:         .6;
}

/* ─── 8. TESTIMONIOS ─────────────────────────────────────────── */
.testimonios {
  display:    grid;
  gap:        16px;
  margin-top: 36px;
}

.testimonio {
  background:    var(--white);
  border-left:   3px solid var(--sky);
  border-radius: 0 10px 10px 0;
  padding:       18px 20px;
}
.testimonio q {
  display:     block;
  font-family: var(--ff-display);
  font-style:  italic;
  font-size:   1rem;
  color:       var(--ink);
  line-height: 1.5;
  margin-bottom: 8px;
}
.testimonio q::before,
.testimonio q::after { content: ''; }
.testimonio cite {
  font-size:      .78rem;
  color:          var(--bark);
  font-style:     normal;
  letter-spacing: .02em;
}

/* ─── 9. SOBRE MIKE ──────────────────────────────────────────── */
.sobre-bg {
  background: #081220;
  border-top: 1px solid var(--sand);
}
.sobre-bg .section-label { color: var(--terra); }
.sobre-bg .section-h2    { color: var(--ink); }
.sobre-bg .section-h2 em { color: var(--terra); }
.sobre-bg .section-body  { color: rgba(123,174,200,.8); }
.sobre-bg .section-body strong { color: var(--ink); }

.sobre-quote {
  margin-top:    28px;
  padding:       20px 24px;
  border:        1px solid rgba(123,111,181,.35);
  border-radius: 10px;
  background:    rgba(123,111,181,.06);
}
.sobre-quote p {
  font-family: var(--ff-display);
  font-style:  italic;
  font-size:   1rem;
  color:       var(--sky);
  line-height: 1.6;
}

/* ─── 10. FAQ ────────────────────────────────────────────────── */
.faq-list {
  display:    grid;
  gap:        2px;
  margin-top: 32px;
}
.faq-item {
  border-bottom: 1px solid var(--sand);
}
.faq-item summary {
  display:         flex;
  justify-content: space-between;
  align-items:     center;
  padding:         18px 0;
  font-weight:     500;
  font-size:       .97rem;
  color:           var(--ink);
  gap:             16px;
  transition:      color .2s;
}
.faq-item summary:hover { color: var(--terra); }

.faq-item summary .faq-icon {
  width:           22px;
  height:          22px;
  flex-shrink:     0;
  border-radius:   50%;
  border:          1.5px solid var(--sand);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       .8rem;
  color:           var(--bark);
  transition:      background .2s, border-color .2s, transform .25s;
}
details[open] .faq-icon {
  background:   var(--terra);
  border-color: var(--terra);
  color:        white;
  transform:    rotate(45deg);
}
.faq-answer {
  padding:     0 0 18px;
  font-size:   .92rem;
  color:       var(--bark);
  line-height: 1.75;
}
.faq-answer p + p { margin-top: 10px; }

/* ─── 11. FORMULARIO ─────────────────────────────────────────── */
.form-bg {
  background: var(--warm);
  border-top: 1px solid var(--sand);
}

.form-intro {
  font-size:     .95rem;
  color:         var(--bark);
  line-height:   1.7;
  margin-bottom: 32px;
}

.form-grid { display: grid; gap: 16px; }

.campo label {
  display:        block;
  font-size:      .8rem;
  font-weight:    500;
  letter-spacing: .04em;
  color:          var(--ink);
  margin-bottom:  6px;
}
.campo input,
.campo select,
.campo textarea {
  width:       100%;
  background:  var(--cream);
  border:      1.5px solid var(--sand);
  border-radius: 8px;
  padding:     12px 14px;
  font-family: var(--ff-body);
  font-size:   .95rem;
  color:       var(--ink);
  outline:     none;
  transition:  border-color .2s;
  appearance:  none;
}
.campo input::placeholder,
.campo textarea::placeholder {
  color: rgba(123,174,200,.35);
}
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  border-color: var(--sky);
}
.campo textarea {
  resize:     vertical;
  min-height: 88px;
}
.campo-nota {
  font-size:   .78rem;
  color:       var(--bark);
  margin-top:  4px;
  opacity:     .8;
}

.btn-enviar {
  width:         100%;
  background:    var(--terra);
  color:         #fff;
  border:        none;
  cursor:        pointer;
  font-family:   var(--ff-body);
  font-size:     .92rem;
  font-weight:   500;
  letter-spacing: .03em;
  padding:       16px 24px;
  border-radius: 100px;
  margin-top:    8px;
  transition:    background .2s, transform .15s;
}
.btn-enviar:hover   { background: #D95E22; transform: translateY(-2px); }
.btn-enviar:active  { transform: translateY(0); }
.btn-enviar:disabled {
  opacity: .6;
  cursor:  not-allowed;
  transform: none;
}

.form-note {
  font-size:  .8rem;
  color:      var(--bark);
  text-align: center;
  margin-top: 14px;
  line-height: 1.6;
}

/* Estados del formulario */
.msg-exito,
.msg-error { display: none; }

.msg-exito {
  background:    var(--white);
  border:        1.5px solid var(--sand);
  border-radius: 12px;
  padding:       28px 24px;
  text-align:    center;
}
.msg-exito p:first-child {
  font-family:   var(--ff-display);
  font-size:     1.3rem;
  color:         var(--ink);
  margin-bottom: 10px;
}
.msg-exito p:last-child {
  font-size: .9rem;
  color:     var(--bark);
}

.msg-error {
  background:    rgba(240,112,48,.08);
  border:        1.5px solid rgba(240,112,48,.3);
  border-radius: 8px;
  padding:       14px 18px;
  font-size:     .9rem;
  color:         var(--terra);
}

/* ─── 12. FOOTER ─────────────────────────────────────────────── */
.footer {
  background: #060F1A;
  padding:    48px 20px 32px;
  text-align: center;
}
.footer-inner {
  max-width: var(--max);
  margin:    0 auto;
}
.footer-logo {
  font-family:   var(--ff-display);
  font-weight:   700;
  font-size:     1.2rem;
  color:         var(--ink);
  margin-bottom: 6px;
}
.footer-logo span { color: var(--terra); }

.footer-sub {
  font-size:     .8rem;
  color:         rgba(123,174,200,.4);
  margin-bottom: 24px;
}
.footer-links {
  display:         flex;
  gap:             20px;
  justify-content: center;
  flex-wrap:       wrap;
  margin-bottom:   28px;
}
.footer-links a {
  font-size:      .8rem;
  color:          rgba(123,174,200,.5);
  text-decoration: none;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition:     color .2s;
}
.footer-links a:hover { color: var(--terra); }

.footer-tagline {
  font-family:   var(--ff-display);
  font-style:    italic;
  font-size:     .92rem;
  color:         rgba(123,111,181,.4);
  margin-bottom: 20px;
}
.footer-copy {
  font-size: .75rem;
  color:     rgba(123,174,200,.2);
}

/* ─── 13. BOTÓN FLOTANTE WHATSAPP ────────────────────────────── */
.whatsapp-fab {
  position:      fixed;
  bottom:        22px;
  right:         18px;
  z-index:       200;
  width:         52px;
  height:        52px;
  border-radius: 50%;
  background:    #25D366;
  display:       flex;
  align-items:   center;
  justify-content: center;
  box-shadow:    0 4px 16px rgba(0,0,0,.4);
  text-decoration: none;
  transition:    transform .2s, box-shadow .2s;
}
.whatsapp-fab:hover {
  transform:  scale(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,.5);
}
.whatsapp-fab svg {
  width:  26px;
  height: 26px;
  fill:   white;
}

/* ─── 14. DIVIDER ────────────────────────────────────────────── */
.divider {
  border:     none;
  border-top: 1px solid var(--sand);
  margin:     0;
}

/* ─── 15. REVEAL (scroll animation) ─────────────────────────── */
/* El JS en ui.js agrega .visible cuando el elemento entra al viewport */
.reveal {
  opacity:    0;
  transform:  translateY(22px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible {
  opacity:   1;
  transform: translateY(0);
}

/* ─── 16. ANIMACIONES ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── 17. MEDIA QUERIES ──────────────────────────────────────── */
/* Mobile first: las reglas base son mobile.
   Solo agregamos ajustes para pantallas más grandes aquí. */

@media (min-width: 480px) {
  .galeria-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 640px) {
  .hero-ctas {
    flex-wrap: nowrap;
  }
  .ejemplos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-xl) 32px;
  }
  .nav {
    padding: 0 32px;
  }
}