/* =========================================================
   NIYI PHOTO STUDIO — sistema visual compartido
   Navy #0d314b con más presencia · Blanco · Crema #f6ebcd
   Tipografía sans, estilo Apple (system font stack + Inter)
   ========================================================= */

:root{
  --white:        #ffffff;
  --bg-soft:      #fafafa;
  --navy:         #0d314b;   /* titulares, botones, nav, secciones de marca */
  --navy-deep:    #081a29;   /* navy más oscuro — overlays, gradientes */
  --navy-ink:     #17222b;   /* texto de cuerpo sobre blanco */
  --text-secondary:#6c7780;
  --cream:        #f6ebcd;   /* acento */
  --cream-deep:   #e2c98f;
  --line:         #e9e9ec;
  --line-soft:    #f1f1f3;
  --focus:        #0d68d1;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --container: 1120px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 980px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--white);
  color:var(--navy-ink);
  font-family:var(--font);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font:inherit; }
:focus-visible{ outline:2px solid var(--focus); outline-offset:3px; }

.wrap{ max-width:var(--container); margin:0 auto; padding:0 24px; }
@media (max-width:640px){ .wrap{ padding:0 20px; } }

/* ---------------------------------------------------------
   Tipografía
--------------------------------------------------------- */
h1,h2,h3,h4{ margin:0; font-weight:600; letter-spacing:-0.02em; color:var(--navy); text-wrap:balance; }
h1{ font-size:clamp(2.4rem,6vw,4.2rem); letter-spacing:-0.03em; line-height:1.04; }
h2{ font-size:clamp(1.9rem,4.2vw,2.7rem); line-height:1.08; }
h3{ font-size:clamp(1.3rem,2.6vw,1.6rem); line-height:1.2; }
p{ margin:0; }
.eyebrow{
  font-size:.78rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-secondary);
}
.lede{ font-size:clamp(1.05rem,1.6vw,1.25rem); color:var(--text-secondary); font-weight:400; line-height:1.5; }
.small{ font-size:.85rem; color:var(--text-secondary); }
.tabular{ font-variant-numeric:tabular-nums; }

/* ---------------------------------------------------------
   Botones — píldora, estilo Apple
--------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-size:.95rem; font-weight:500; padding:12px 24px;
  border-radius:var(--radius-pill); border:1px solid var(--navy);
  color:var(--navy); background:transparent; cursor:pointer;
  transition:background .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
  white-space:nowrap;
}
.btn:hover{ background:var(--navy); color:var(--white); }
.btn:active{ transform:scale(.98); }
.btn.solid{ background:var(--navy); color:var(--white); }
.btn.solid:hover{ background:#0a2740; }
.btn.small{ padding:9px 18px; font-size:.85rem; }
.btn.block{ width:100%; }
.cta-row{ display:flex; gap:12px; flex-wrap:wrap; }

/* Botones sobre fondos navy / foto oscura */
section.navy .btn{ border-color:rgba(255,255,255,.65); color:var(--white); }
section.navy .btn:hover{ background:var(--white); color:var(--navy); }
section.navy .btn.solid{ background:var(--white); color:var(--navy); border-color:var(--white); }
section.navy .btn.solid:hover{ background:var(--cream); color:var(--navy); }

/* ---------------------------------------------------------
   Nav — transparente sobre el hero, sólida al hacer scroll
--------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease, border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom-color:var(--line);
}
.site-nav{
  position:relative;
  max-width:var(--container); margin:0 auto; padding:0 24px;
  height:64px; display:flex; align-items:center; justify-content:space-between;
}
.site-nav .logo{ font-weight:700; font-size:1.02rem; letter-spacing:-.01em; color:var(--white); transition:color .3s ease; display:flex; align-items:center; }
.site-nav .logo img{ height:38px; width:auto; display:block; }
.site-nav .logo .logo-dark{ display:none; }
.site-header.scrolled .site-nav .logo{ color:var(--navy); }
.site-header.scrolled .site-nav .logo .logo-light{ display:none; }
.site-header.scrolled .site-nav .logo .logo-dark{ display:block; }
.site-nav .links{ display:flex; gap:28px; }
.site-nav .links a{ font-size:.86rem; color:rgba(255,255,255,.92); font-weight:400; transition:color .3s ease; }
.site-header.scrolled .site-nav .links a{ color:var(--navy-ink); }
.site-nav .links a:hover{ color:var(--cream); }
.site-header.scrolled .site-nav .links a:hover{ color:var(--navy); font-weight:500; }
.site-nav .actions{ display:flex; align-items:center; gap:16px; }
.site-nav .actions .btn{ border-color:rgba(255,255,255,.8); }
.site-header.scrolled .site-nav .actions .btn.solid{ background:var(--navy); border-color:var(--navy); color:var(--white); }
.nav-toggle{ display:none; }
.nav-toggle-label{ display:none; }

@media (max-width:860px){
  .site-nav .links{
    position:absolute; top:100%; left:0; right:0; height:auto; flex-direction:column;
    background:var(--white); padding:10px 24px 22px; gap:2px; align-items:stretch;
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
    border-top:1px solid var(--line);
    box-shadow:0 16px 32px -18px rgba(13,49,75,.28);
  }
  .site-nav .links a{ padding:14px 4px; border-bottom:1px solid var(--line-soft); font-size:1rem; color:var(--navy-ink) !important; }
  .nav-toggle:checked ~ .links{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav-toggle-label{
    display:flex; flex-direction:column; gap:5px; width:22px; cursor:pointer; z-index:60;
  }
  .nav-toggle-label span{ height:2px; background:var(--white); border-radius:2px; transition:transform .18s ease, opacity .18s ease, background .3s ease; }
  .site-header.scrolled .nav-toggle-label span{ background:var(--navy); }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1){ transform:translateY(7px) rotate(45deg); background:var(--navy); }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2){ opacity:0; }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); background:var(--navy); }
}

/* ---------------------------------------------------------
   Secciones / layout
--------------------------------------------------------- */
section{ padding:88px 0; }
section.tight{ padding:56px 0; }
section.soft{ background:var(--bg-soft); }
section.navy{ background:var(--navy); color:var(--white); }
section.navy h2, section.navy h3{ color:var(--white); }
section.navy .eyebrow{ color:var(--cream); }
section.navy .lede{ color:rgba(255,255,255,.78); }
.botanical{
  position:relative; background-color:var(--navy);
  background-image:url("../img/botanical.svg");
  background-repeat:no-repeat; background-position:center; background-size:cover;
}
.divider{ border:none; border-top:1px solid var(--line); margin:0; }

.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head .eyebrow{ margin-bottom:12px; }
.section-head h2{ margin-top:8px; }
.section-head .lede{ margin-top:14px; }

/* ---------------------------------------------------------
   Animaciones de aparición al hacer scroll
--------------------------------------------------------- */
.reveal{
  opacity:0; transform:translateY(28px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-visible{ opacity:1; transform:none; }
.pkg-grid .reveal:nth-child(1), .testi-grid .reveal:nth-child(1), .process-track .reveal:nth-child(1){ transition-delay:.03s; }
.pkg-grid .reveal:nth-child(2), .testi-grid .reveal:nth-child(2), .process-track .reveal:nth-child(2){ transition-delay:.12s; }
.pkg-grid .reveal:nth-child(3), .testi-grid .reveal:nth-child(3), .process-track .reveal:nth-child(3){ transition-delay:.21s; }
.pkg-grid .reveal:nth-child(4), .process-track .reveal:nth-child(4){ transition-delay:.3s; }
.process-track .reveal:nth-child(5){ transition-delay:.39s; }
@media (prefers-reduced-motion:reduce){
  .reveal{ transition:none; opacity:1; transform:none; }
}

/* ---------------------------------------------------------
   Hero — slideshow de fotos con fundido delicado
--------------------------------------------------------- */
.hero-slideshow{
  position:relative; overflow:hidden; min-height:680px;
  display:flex; align-items:center; justify-content:center;
  text-align:center; isolation:isolate; margin-top:-64px; padding-top:64px;
}
.hero-slideshow .slide{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; z-index:0; animation:hero-fade 22s infinite;
}
.hero-slideshow .slide:nth-child(1){ animation-delay:0s; }
.hero-slideshow .slide:nth-child(2){ animation-delay:5.5s; }
.hero-slideshow .slide:nth-child(3){ animation-delay:11s; }
.hero-slideshow .slide:nth-child(4){ animation-delay:16.5s; }
@keyframes hero-fade{
  0%{ opacity:0; }
  6%{ opacity:1; }
  22%{ opacity:1; }
  29%{ opacity:0; }
  100%{ opacity:0; }
}
.hero-slideshow::before{
  content:""; position:absolute; inset:0; z-index:1;
  background-image:
    linear-gradient(180deg, rgba(8,20,32,.5) 0%, rgba(9,26,41,.62) 50%, rgba(8,20,32,.85) 100%),
    url("../img/botanical.svg");
  background-repeat:no-repeat, no-repeat;
  background-position:center, center;
  background-size:cover, cover;
}
.hero-slideshow .hero-content{ position:relative; z-index:2; padding:0 24px; max-width:760px; }
.hero-slideshow .eyebrow{ color:var(--cream); display:block; margin-bottom:18px; }
.hero-slideshow h1{ color:var(--white); max-width:16ch; margin:0 auto; }
.hero-slideshow .lede{ color:rgba(255,255,255,.88); max-width:46ch; margin:20px auto 0; }
.hero-slideshow .cta-row{ justify-content:center; margin-top:30px; }
@media (prefers-reduced-motion:reduce){
  .hero-slideshow .slide{ animation:none; opacity:0; }
  .hero-slideshow .slide:first-child{ opacity:1; }
}
@media (max-width:640px){ .hero-slideshow{ min-height:560px; } }

/* ---------------------------------------------------------
   Grid de servicios (legacy — se mantiene por si se usa)
--------------------------------------------------------- */
.svc-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:14px; }
.svc-card{
  position:relative; grid-column:span 3; border-radius:var(--radius-lg); overflow:hidden;
  min-height:260px; display:flex; align-items:flex-end; color:var(--white);
}
.svc-card.big{ grid-column:span 4; }
.svc-card.small{ grid-column:span 2; }
.svc-card img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.svc-card:hover img{ transform:scale(1.04); }
.svc-card::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(10,25,38,.78) 0%, rgba(10,25,38,.15) 55%, transparent 80%);
}
.svc-card .card-body{ position:relative; z-index:2; padding:24px; }
.svc-card .card-body .cat{ font-size:1.2rem; font-weight:600; letter-spacing:-.01em; }
.svc-card .card-body .hook{ font-size:.82rem; opacity:.85; margin-top:4px; }
.svc-card .card-body .from{ font-size:.76rem; opacity:.75; margin-top:10px; font-weight:500; }
@media (max-width:860px){
  .svc-grid{ grid-template-columns:repeat(2,1fr); }
  .svc-card, .svc-card.big, .svc-card.small{ grid-column:span 2; min-height:220px; }
}

/* ---------------------------------------------------------
   Galería interactiva de servicios (filtro por categoría)
--------------------------------------------------------- */
.filter-pills{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:32px; }
.filter-pill{
  padding:10px 20px; border-radius:var(--radius-pill); border:1px solid var(--line);
  background:var(--white); font-size:.85rem; font-weight:500; color:var(--text-secondary);
  cursor:pointer; transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.filter-pill:hover{ border-color:var(--navy); color:var(--navy); }
.filter-pill.active{ background:var(--navy); border-color:var(--navy); color:var(--white); }

.gallery-wrap{ position:relative; }
.gallery-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:12px;
  max-height:660px; overflow:hidden; transition:max-height .6s ease;
}
.gallery-wrap.expanded .gallery-grid{ max-height:5000px; }
.gallery-tile{
  position:relative; border-radius:var(--radius-md); overflow:hidden; aspect-ratio:1;
}
.gallery-tile img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.gallery-tile:hover img{ transform:scale(1.05); }
.gallery-tile.hidden{ display:none; }
.gallery-tile::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(9,26,41,.55), transparent 60%);
  opacity:0; transition:opacity .2s ease;
}
.gallery-tile .tag{
  position:absolute; left:10px; bottom:10px; z-index:2; color:#fff; font-size:.68rem;
  font-weight:600; letter-spacing:.03em; opacity:0; transition:opacity .2s ease;
}
.gallery-tile:hover::after, .gallery-tile:hover .tag{ opacity:1; }

.gallery-fade{
  position:absolute; left:0; right:0; bottom:0; height:170px;
  background:linear-gradient(to top, var(--white) 15%, transparent 100%);
  display:flex; align-items:flex-end; justify-content:center; padding-bottom:26px;
  transition:opacity .3s ease;
}
section.soft .gallery-fade{ background:linear-gradient(to top, var(--bg-soft) 15%, transparent 100%); }
.gallery-wrap.expanded .gallery-fade,
.gallery-wrap.no-overflow .gallery-fade{ opacity:0; pointer-events:none; }
@media (max-width:900px){ .gallery-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:620px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); } .gallery-grid{ max-height:520px; } }

/* ---------------------------------------------------------
   Proceso (5 pasos) — más grande, con flechas
--------------------------------------------------------- */
.process-track{ display:flex; align-items:flex-start; gap:0; }
.process-step{ flex:1; padding:0 14px; }
.process-step .n{ font-size:2rem; font-weight:700; color:var(--cream); font-family:var(--font); letter-spacing:-.02em; }
.process-step h4{ font-size:1.2rem; margin-top:14px; color:var(--navy); }
section.navy .process-step h4{ color:var(--white); }
.process-step p{ font-size:.92rem; color:var(--text-secondary); margin-top:8px; line-height:1.5; }
section.navy .process-step p{ color:rgba(255,255,255,.72); }
.process-arrow{ display:flex; align-items:center; justify-content:center; flex:0 0 auto; width:44px; padding-top:14px; color:var(--cream-deep); }
.process-arrow svg{ width:26px; height:26px; }
@media (max-width:860px){
  .process-track{ flex-wrap:wrap; gap:36px 0; }
  .process-step{ flex:1 1 45%; padding:0 8px; }
  .process-arrow{ display:none; }
}

/* ---------------------------------------------------------
   Tarjetas de paquete
--------------------------------------------------------- */
.pkg-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
@media (max-width:760px){ .pkg-grid{ grid-template-columns:1fr; } }
.pkg-grid.cols-3{ grid-template-columns:repeat(3,1fr); }
@media (max-width:960px){ .pkg-grid.cols-3{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .pkg-grid.cols-3{ grid-template-columns:1fr; } }

.pkg-card{
  border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden;
  display:flex; flex-direction:column; background:var(--white);
  transition:box-shadow .2s ease, transform .2s ease;
}
.pkg-card:hover{ box-shadow:0 20px 44px -24px rgba(13,49,75,.28); transform:translateY(-2px); }
.pkg-card .pkg-photo{ aspect-ratio:4/3; overflow:hidden; }
.pkg-card .pkg-photo img{ width:100%; height:100%; object-fit:cover; }
.pkg-card .pkg-body{ padding:26px 26px 28px; display:flex; flex-direction:column; flex:1; }
.pkg-card .tier-row{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.pkg-card .tier{ font-size:.75rem; font-weight:700; letter-spacing:.07em; text-transform:uppercase; color:var(--text-secondary); }
.pkg-card .badge{
  font-size:.68rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  background:var(--cream); color:#5a4720; padding:4px 10px; border-radius:var(--radius-pill);
}
.pkg-card .price{ font-size:2rem; font-weight:700; color:var(--navy); margin-top:6px; letter-spacing:-.02em; }
.pkg-card .price span{ font-size:.9rem; font-weight:500; color:var(--text-secondary); }
.pkg-card .hook{ font-size:.9rem; color:var(--text-secondary); margin-top:8px; }
.pkg-card ul{ margin-top:16px; display:flex; flex-direction:column; gap:8px; flex:1; }
.pkg-card li{ font-size:.88rem; padding-left:18px; position:relative; color:var(--navy-ink); }
.pkg-card li::before{ content:"›"; position:absolute; left:0; color:var(--navy); font-weight:700; }
.pkg-card .btn{ margin-top:22px; }

.addon-note{
  margin-top:28px; padding:20px 24px; border:1px dashed var(--line);
  border-radius:var(--radius-md); font-size:.88rem; color:var(--text-secondary);
}
.addon-note b{ color:var(--navy-ink); font-weight:600; }
section.navy .addon-note{ border-color:rgba(255,255,255,.28); color:rgba(255,255,255,.75); }
section.navy .addon-note b{ color:var(--white); }

/* ---------------------------------------------------------
   Tabla de productos tangibles
--------------------------------------------------------- */
.price-table{ width:100%; border-collapse:collapse; }
.price-table tr{ border-top:1px solid var(--line); }
.price-table tr:first-child{ border-top:none; }
.price-table td{ padding:14px 4px; font-size:.92rem; }
.price-table td:last-child{ text-align:right; font-weight:600; color:var(--navy); white-space:nowrap; }
section.navy .price-table tr{ border-top-color:rgba(255,255,255,.16); }
section.navy .price-table td{ color:rgba(255,255,255,.86); }
section.navy .price-table td:last-child{ color:var(--cream); }
.tangible-wrap{ display:grid; grid-template-columns:1.1fr 1fr; gap:56px; align-items:center; }
@media (max-width:820px){ .tangible-wrap{ grid-template-columns:1fr; gap:32px; } }
.tangible-wrap .photo{ border-radius:var(--radius-lg); overflow:hidden; aspect-ratio:4/5; }
.tangible-wrap .photo img{ width:100%; height:100%; object-fit:cover; }

/* ---------------------------------------------------------
   Testimonios
--------------------------------------------------------- */
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media (max-width:860px){ .testi-grid{ grid-template-columns:1fr; } }
.testi-card{ background:var(--bg-soft); border-radius:var(--radius-lg); padding:28px 26px; }
.testi-card .stars{ color:var(--cream-deep); font-size:.9rem; letter-spacing:2px; }
.testi-card p.quote{ font-size:.95rem; color:var(--navy-ink); margin-top:14px; line-height:1.55; }
.testi-card .who{ display:flex; align-items:center; gap:10px; margin-top:18px; }
.testi-card .who img{ width:38px; height:38px; border-radius:50%; object-fit:cover; }
.testi-card .who .name{ font-size:.85rem; font-weight:600; color:var(--navy); }
.testi-card .who .cat{ font-size:.76rem; color:var(--text-secondary); }

/* ---------------------------------------------------------
   CTA final
--------------------------------------------------------- */
.cta-final{ text-align:center; position:relative; }
.cta-final .wrap{ position:relative; z-index:2; }
.cta-final h2{ max-width:20ch; margin:0 auto; }
.cta-final .lede{ margin:14px auto 0; }
.cta-final .cta-row{ justify-content:center; margin-top:26px; }

/* ---------------------------------------------------------
   Footer
--------------------------------------------------------- */
.site-footer{ background:var(--navy); color:rgba(255,255,255,.82); padding:56px 0 32px; position:relative; }
.site-footer .wrap{ position:relative; z-index:2; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
@media (max-width:700px){ .footer-grid{ grid-template-columns:1fr; gap:28px; } }
.footer-grid .logo{ display:flex; align-items:center; }
.footer-grid .logo img{ height:38px; width:auto; }
.footer-grid p{ font-size:.85rem; margin-top:12px; color:rgba(255,255,255,.65); max-width:32ch; }
.footer-col h5{ font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color:rgba(255,255,255,.55); font-weight:600; }
.footer-col ul{ margin-top:14px; display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:.87rem; color:rgba(255,255,255,.85); }
.footer-col a:hover{ color:var(--cream); }
.footer-bottom{
  margin-top:48px; padding-top:24px; border-top:1px solid rgba(255,255,255,.14);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.78rem; color:rgba(255,255,255,.55);
}

/* ---------------------------------------------------------
   Utilidades
--------------------------------------------------------- */
.mt-0{ margin-top:0 !important; }
.center{ text-align:center; }
.stack{ display:flex; flex-direction:column; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:760px){ .grid-2{ grid-template-columns:1fr; } }