/* =====================================================
   PMR STUDIO – STYLE.CSS (CLEAN / CONSOLIDATED)
   - Fixed header/nav
   - Progressive reveal (never hides content if JS fails)
   - Premium FAQ + Chatbot (single source of truth)
   ===================================================== */

/* =========================
   1) TOKENS / BASE
   ========================= */
:root{
  --bg:#f7fbf9;
  --bg2:#ffffff;
  --text:#0f172a;
  --muted:rgba(15,23,42,0.70);

  --card:#ffffff;
  --card2:#f1faf5;

  --line:rgba(15,23,42,0.10);
  --line2:rgba(15,23,42,0.16);

  --accent:#0ea35a;
  --accent2:#0b7a44;
  --accentSoft:rgba(14,163,90,0.14);

  --shadow:0 10px 30px rgba(15,23,42,0.08);
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  padding:0;
  background:linear-gradient(180deg,var(--bg),#eef7f2);
  color:var(--text);
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;
}

html{
  scroll-behavior:smooth;
  scroll-padding-top: var(--header-offset, 92px);
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}

a{ color:inherit; text-decoration:none; }

.underline{
  text-decoration:underline;
  text-underline-offset:3px;
}

:focus-visible{
  outline:2px solid rgba(14,163,90,.45);
  outline-offset:2px;
  border-radius:12px;
}

.container{
  width:min(1120px,92%);
  margin:0 auto;
}

section[id]{ scroll-margin-top: var(--header-offset, 92px); }

/* =========================
   2) TYPOGRAPHY
   ========================= */
h1{
  margin:14px 0 10px;
  font-size:clamp(30px,4vw,48px);
  letter-spacing:-0.02em;
  line-height:1.08;
}
h2{
  margin:0 0 10px;
  font-size:26px;
  font-weight:800;
  letter-spacing:-0.01em;
}
h3{ margin:0 0 10px; font-weight:800; }
h4{ margin:0 0 8px; font-weight:800; }

.lead{
  color:var(--muted);
  font-size:19px;
  line-height:1.65;
  margin:0;
  max-width:62ch;
}
.sub{
  color:var(--muted);
  margin:0 0 18px;
}
.small{
  font-size:13px;
  color:var(--muted);
  line-height:1.5;
}

/* =========================
   3) HEADER / NAV (FIXED)
   ========================= */
.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:nowrap;

  padding:10px 0;
  position:sticky;
  top:0;
  z-index:50;

  background:rgba(247,251,249,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);

  transition:padding .18s ease, box-shadow .18s ease, background .18s ease;
}
.header.is-compact{
  background:rgba(247,251,249,.94);
  box-shadow:0 10px 28px rgba(15,23,42,.10);
}

.brand-logo{ flex:0 0 auto; }
.brand-logo img{
  width:110px;
  height:110px;
  object-fit:contain;
  transition:transform .25s ease, width .18s ease, height .18s ease;
}
.header.is-compact .brand-logo img{
  width:78px;
  height:78px;
}
.brand-logo:hover img{ transform:scale(1.03); }

/* NAV WRAP */
.nav-wrap{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.nav{
  display:flex;
  align-items:center;
  gap:12px;

  flex-wrap:nowrap;
  white-space:nowrap;
  min-width:0;

  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav::-webkit-scrollbar{ display:none; }

.nav a{
  padding:8px 10px;
  border-radius:12px;
  color:var(--muted);
  border:1px solid transparent;
  line-height:1;
  font-size:13px;
}
.nav a:hover{
  background:rgba(15,23,42,.04);
  color:var(--text);
  border-color:var(--line);
}
.nav a.is-active{
  background:rgba(14,163,90,.10);
  border-color:rgba(14,163,90,.25);
  color:var(--accent2);
  font-weight:700;
}

/* ACTIONS: languages + burger */
.header-actions{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:nowrap;
}
.lang{
  display:inline-flex;
  align-items:center;
  gap:3px;
  padding:3px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.92);
  box-shadow:0 10px 22px rgba(15,23,42,.06);
}
.chip{
  border:0;
  background:transparent;
  padding:8px 10px;
  border-radius:999px;
  cursor:pointer;
  color:rgba(15,23,42,.70);
  font-size:12px;
  line-height:1;
  font-weight:900;
}
.chip:hover{ background:rgba(15,23,42,.04); }
.chip.is-active{
  background:var(--accentSoft);
  color:var(--accent2);
}

/* Burger */
.burger{
  display:none; /* enabled in mobile */
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;

  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;

  padding:0;
  box-shadow:0 10px 22px rgba(15,23,42,.10);
  transition:background .15s ease, border-color .15s ease, transform .12s ease, box-shadow .15s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.burger:hover{
  border-color:rgba(14,163,90,.35);
  background:rgba(14,163,90,.06);
}
.burger:active{ transform:scale(.98); }
.burger span{
  display:block;
  height:2px;
  width:20px;
  background:rgba(15,23,42,.78);
  border-radius:999px;
  transform-origin:center;
  transition:transform .18s ease, opacity .18s ease, background .15s ease;
}
body.nav-open .burger{
  background:var(--accentSoft);
  border-color:rgba(14,163,90,.35);
}
body.nav-open .burger span{ background:var(--accent2); }
body.nav-open .burger span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
body.nav-open .burger span:nth-child(2){ opacity:0; }
body.nav-open .burger span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================
   4) BUTTONS
   ========================= */
.cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:16px;
}
.btn{
  padding:11px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
}
.btn:hover{
  border-color:var(--line2);
  background:rgba(15,23,42,0.02);
}
.btn.primary{
  background:var(--accentSoft);
  border-color:rgba(14,163,90,.35);
  color:var(--accent2);
  font-weight:900;
}
.btn.ghost{
  background:rgba(255,255,255,.70);
}
.btn.ghost:hover{
  background:rgba(14,163,90,.06);
  border-color:rgba(14,163,90,.25);
  color:var(--accent2);
}
  
/* =========================
   5) SECTIONS / GRID
   ========================= */
.section{
  padding:44px 0;
  position:relative;
}
.section::after{
  content:"";
  position:absolute;
  bottom:0;
  left:50%;
  width:60%;
  height:1px;
  background:linear-gradient(to right, transparent, rgba(14,163,90,0.35), transparent);
  transform:translateX(-50%);
}
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

/* =========================
   6) CARDS
   ========================= */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
  box-shadow:0 8px 24px rgba(15,23,42,.06);
}
.lift{ transition:transform .2s ease, box-shadow .2s ease; }
.lift:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}

/* =========================
   7) HERO
   ========================= */
.hero{
  padding:56px 0 34px;
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap:22px;
  align-items:start;
}
.hero-copy{ min-width:0; }

.pill{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(14,163,90,.10);
  border:1px solid rgba(14,163,90,.25);
  color:var(--accent2);
  font-weight:800;
  font-size:14px;
  letter-spacing:0.2px;
}
.hero-micro{
  margin:10px 0 0;
  font-size:14px;
  line-height:1.55;
  color:rgba(15,23,42,0.78);
  max-width:72ch;
}
.hero-card{
  padding:18px;
  border-radius:18px;
  background:
    radial-gradient(900px 400px at 0% 0%, rgba(14,163,90,0.10), transparent 55%),
    linear-gradient(180deg,#fff,#f1faf5);
  border:1px solid var(--line);
  box-shadow:0 14px 36px rgba(15,23,42,0.10);
  align-self:start;
  height:fit-content;
}
.hero-card h3{
  margin:2px 0 12px;
  font-size:16px;
  font-weight:900;
  letter-spacing:0.2px;
}
.checklist{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.checklist li{
  padding-left:22px;
  position:relative;
  font-size:14px;
  color:var(--muted);
  line-height:1.45;
}
.checklist li::before{
  content:"✔";
  position:absolute;
  left:0;
  top:0;
  color:var(--accent);
  font-weight:900;
}
.hero-kpis{
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:grid;
  gap:10px;
}
.hero-kpi{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
}
.hero-kpi strong{
  font-weight:900;
  font-size:13px;
  letter-spacing:0.2px;
  color:var(--text);
  white-space:nowrap;
}
.hero-kpi span{
  font-size:13px;
  color:var(--muted);
  text-align:right;
  line-height:1.35;
}

/* =========================
   7.5) TIERS + AI
   ========================= */
.price{
  font-size:34px;
  font-weight:950;
  letter-spacing:-0.02em;
}
.price span{
  font-size:14px;
  font-weight:800;
  color:var(--muted);
  margin-left:6px;
}
.tier-highlight{
  border-color:rgba(14,163,90,.28);
  box-shadow:0 14px 36px rgba(15,23,42,0.10);
  background:
    radial-gradient(800px 300px at 0% 0%, rgba(14,163,90,0.10), transparent 55%),
    #fff;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:6px;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(14,163,90,.25);
  background:rgba(14,163,90,.08);
  color:var(--accent2);
  font-weight:800;
  font-size:12px;
}

/* =========================
   8) PROCESS
   ========================= */
.steps{
  margin:18px 0 0;
  padding-left:18px;
}
.steps li{
  padding:16px 0;
  border-bottom:1px solid rgba(15,23,42,.06);
}
.steps li:last-child{ border-bottom:none; }
.steps strong{
  font-weight:900;
  letter-spacing:.2px;
}
.step-output{
  margin-top:12px;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid rgba(14,163,90,.25);
  background:
    radial-gradient(600px 200px at 0% 0%, rgba(14,163,90,.12), transparent 55%),
    #fff;
}
.step-output-label{ font-weight:950; font-size:16px; }
.step-output-value{ font-weight:900; font-size:18px; color:var(--accent2); }

/* =========================
   9) OTHER GRIDS
   ========================= */
.tiers-grid,
.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.ai-grid,
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

/* TIERS layout */
.tiers-grid{ align-items:stretch; }
#tiers .tier{
  height:100%;
  display:flex;
  flex-direction:column;
  gap:12px;
}
#tiers .tier ul{ margin:6px 0 0; }
#tiers .tier p.small{ margin:0; }
#tiers .tier .btn{ margin-top:auto; align-self:flex-start; }

/* =========================
   10) FOOTER
   ========================= */
.footer{
  padding:24px 0;
  border-top:1px solid var(--line);
  color:var(--muted);
}
.footer a{
  text-decoration:underline;
  text-underline-offset:3px;
  color:inherit;
}
.footer a:hover{ color:var(--text); }

/* =========================
   11) REVEAL (SAFE)
   Progressive enhancement:
   - By default: content is visible.
   - If JS wants animation: it sets data-reveal="pending"
   ========================= */
.reveal{
  opacity:1;
  transform:none;
}
.reveal[data-reveal="pending"]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:none;
}
@media (prefers-reduced-motion: reduce){
  .reveal[data-reveal="pending"]{ transition:none; transform:none; opacity:1; }
}

/* =========================
   12) PORTFOLIO THUMBS (mockups)
   ========================= */
.thumbs{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:14px;
}
.thumb{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:16px;
}
.thumb-top{ display:flex; flex-direction:column; gap:2px; }
.thumb-visual{
  border:1px solid var(--line);
  border-radius:14px;
  background:
    radial-gradient(700px 220px at 0% 0%, rgba(14,163,90,0.10), transparent 55%),
    linear-gradient(180deg,#fff,#f1faf5);
  padding:12px;
  min-height:92px;
}
.thumb-bar{
  height:10px;
  border-radius:999px;
  background:rgba(15,23,42,.10);
  margin-bottom:10px;
}
.thumb-line{
  height:8px;
  border-radius:999px;
  background:rgba(15,23,42,.10);
  margin:8px 0;
}
.thumb-line.short{ width:70%; }
.thumb-chip{
  width:120px;
  height:18px;
  border-radius:999px;
  background:rgba(14,163,90,.12);
  border:1px solid rgba(14,163,90,.25);
  margin-bottom:10px;
}
.thumb-grid{
  height:64px;
  border-radius:12px;
  border:1px dashed rgba(15,23,42,.12);
  background:
    linear-gradient(to right, rgba(15,23,42,.08) 1px, transparent 1px) 0 0/24px 24px,
    linear-gradient(to bottom, rgba(15,23,42,.08) 1px, transparent 1px) 0 0/24px 24px;
}

/* =========================
   13) FAQ (premium)
   ========================= */
.faq{
  display:grid;
  gap:10px;
  margin-top:12px;
}
.faq details{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.88);
  box-shadow:0 10px 26px rgba(15,23,42,.06);
  overflow:hidden;
}
.faq summary{
  cursor:pointer;
  list-style:none;
  padding:14px 16px;
  font-weight:950;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+";
  width:28px;
  height:28px;
  border-radius:10px;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:950;
  color:var(--accent2);
  background:rgba(14,163,90,.08);
}
.faq details[open] summary{
  background:
    radial-gradient(800px 240px at 0% 0%, rgba(14,163,90,0.10), transparent 55%),
    #fff;
}
.faq details[open] summary::after{ content:"–"; }
.faq .faq-body{
  padding:0 16px 14px;
  color:var(--muted);
  line-height:1.65;
}

/* =========================
   14) CHATBOT (single, premium)
   ========================= */
.chat-fab{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:95;

  border:1px solid rgba(14,163,90,.35);
  background:rgba(14,163,90,.12);
  box-shadow:0 18px 40px rgba(15,23,42,.14);
  color:var(--accent2);

  border-radius:999px;
  padding:16px 20px;
  font-weight:999;
  letter-spacing:.3px;
  cursor:pointer;

  transition:transform .12s ease, background .15s ease, border-color .15s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  font-size:20px;      /* sube legibilidad */
  padding:24px 30px;   /* más “botón” */
  min-height:60px;     /* presencia consistente */
}

.chat-fab:hover{ background:rgba(14,163,90,.16); }
.chat-fab:active{ transform:scale(.98); }

.chat-panel{
  position:fixed;
  right:18px;
  bottom:76px;
  z-index:90;

  width:min(390px, calc(100vw - 36px));
  max-height:min(560px, calc(100vh - 110px));

  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 22px 60px rgba(15,23,42,.18);
  overflow:hidden;

  display:flex;
  flex-direction:column;
}
.chat-head{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  background:
    radial-gradient(700px 220px at 0% 0%, rgba(14,163,90,0.12), transparent 55%),
    #fff;
}
.chat-title{ display:flex; flex-direction:column; gap:2px; }
.chat-sub{ margin-top:2px; font-size:12px; color:var(--muted); line-height:1.35; }

.chat-close{
  width:40px;
  height:40px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  font-size:20px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .15s ease, border-color .15s ease;
}
.chat-close:hover{
  border-color:rgba(14,163,90,.35);
  background:rgba(14,163,90,.06);
}

.chat-msgs{
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:10px;
  overflow:auto;
}

.chat-row{
  display:flex;
  gap:10px;
  align-items:flex-end;
}
.chat-row.user{ justify-content:flex-end; }

.chat-bubble{
  max-width:82%;
  padding:10px 12px;
  border-radius:16px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:13px;
  line-height:1.45;
  box-shadow:0 10px 22px rgba(15,23,42,.06);
}
.chat-row.user .chat-bubble{
  background:rgba(14,163,90,.10);
  border-color:rgba(14,163,90,.25);
}

.chat-quick{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:8px;
}
.chat-chip{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:7px 10px;
  font-size:12px;
  font-weight:950;
  cursor:pointer;
}
.chat-chip:hover{
  border-color:rgba(14,163,90,.35);
  background:rgba(14,163,90,.06);
}

.chat-input{
  border-top:1px solid var(--line);
  padding:10px;
  display:flex;
  gap:8px;
  background:#fff;
}
.chat-input input{
  flex:1;
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 12px;
  outline:none;
  font-size:13px;
}
.chat-input input:focus{
  border-color:rgba(14,163,90,.35);
  box-shadow:0 0 0 4px rgba(14,163,90,.12);
}
.chat-send{
  border:1px solid rgba(14,163,90,.35);
  background:var(--accentSoft);
  color:var(--accent2);
  font-weight:950;
  border-radius:14px;
  padding:10px 12px;
  cursor:pointer;
}
.chat-send:hover{ background:rgba(14,163,90,.16); }

@media (max-width: 520px){
  .chat-fab{
    right:14px;
    bottom:14px;
    font-size:14px;
    padding:16px 20px;
    min-height:48px;
  }
}

/* =========================
   15) RESPONSIVE
   ========================= */
@media (max-width:980px){
  .hero-inner,
  .grid,
  .tiers-grid,
  .portfolio-grid,
  .ai-grid,
  .contact-grid,
  .thumbs{
    grid-template-columns:1fr;
  }
  .hero-kpi{
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:2px;
  }
  .hero-kpi span{ text-align:left; }
}

@media (max-width:900px){
  .header{
    padding:10px 0;
    gap:12px;
    flex-wrap:nowrap;
    align-items:center;
    backdrop-filter:none;
    background:rgba(247,251,249,.98);
  }

  .brand-logo img{ width:72px; height:72px; }
  .header.is-compact .brand-logo img{ width:72px; height:72px; }

  .chip{ padding:8px 9px; font-size:12px; }

  .burger{ display:flex; }

  .nav-wrap{
    position:fixed;
    top: calc(var(--header-offset, 92px) + 10px);
    left: max(10px, env(safe-area-inset-left, 0px));
    right: max(10px, env(safe-area-inset-right, 0px));
    width:auto;
    transform:none;

    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    padding:14px;
    display:none;
    box-shadow:0 18px 40px rgba(15,23,42,.12);

    max-height: calc(100vh - var(--header-offset, 92px) - 18px);
    overflow:auto;
  }
  body.nav-open .nav-wrap{ display:block; }

  .nav{
    overflow:visible;
    white-space:normal;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
  }
  .nav a{
    padding:12px 14px;
    border-radius:14px;
    font-size:14px;
  }

  .chat-panel{ right:12px; bottom:74px; }
  .chat-fab{ right:12px; bottom:12px; }
}

@media (min-width:901px){
  .header.is-compact{ padding:6px 0; }
  .header.is-compact .brand-logo img{ width:78px; height:78px; }
}
/* Ensure hidden actually hides the chat panel (fix close button) */
.chat-panel[hidden]{ display:none !important; }

/* =========================
   16) PORTFOLIO PDF THUMBS (images)
   ========================= */
.thumb a{ display:block; }

.thumb img{
  width:100%;
  height:auto;
  display:block;
  border-radius:14px;
  border:1px solid var(--line);
  box-shadow:0 10px 22px rgba(15,23,42,.06);
  /* Recorte “pro” aunque el webp sea irregular */
  aspect-ratio: 16 / 10;
  object-fit: cover;
    object-position: 50% 0%;
}

.thumb a:hover img{
  border-color:rgba(14,163,90,.28);
  box-shadow:0 14px 30px rgba(15,23,42,.10);
}

/* =========================
   17) PDF PREVIEW MODAL (dialog)
   ========================= */
.pdf-modal{
  width:min(1120px, 92vw);
  height:min(80vh, 780px);
  border:none;
  border-radius:18px;
  padding:14px;
  background:rgba(255,255,255,.96);
  box-shadow:0 22px 60px rgba(15,23,42,.18);
  overflow:hidden;
}

.pdf-modal::backdrop{
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(6px);
}

.pdf-modal__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 10px 12px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(700px 220px at 0% 0%, rgba(14,163,90,0.10), transparent 55%),
    #fff;
  border-radius:14px;
}

.pdf-modal__actions{
  padding-top:10px;
}

/* Mobile fit */
@media (max-width: 520px){
  .pdf-modal{
    width: calc(100vw - 20px);
    height: calc(100vh - 90px);
    padding:12px;
  }
}