/* ============================================================
   HYPNODONTIA — SHARED DESIGN SYSTEM
   ============================================================
   TOKENS
   --ink       deep navy      headings / buttons / hero bg
   --ink-2     navy-2         gradients / hover
   --paper     warm paper     page background
   --paper-2   paper alt      alternating sections
   --accent    page accent    numerals / links / icon accents
                               (overridden per page — see bottom)
   --accent-2  pale accent    tints on navy
   --line      hairline       borders on paper
   --line-ink  hairline       borders on navy
   --slate     secondary text
   --good/--limit  "can / cannot" contrast panel colors

   TYPE
   Display: Fraunces (serif, used with restraint — H1/H2/quotes)
   Body/UI: Inter

   This file is shared by every page. Page-specific accent colors
   are set via a class on <body> (see bottom of this file) —
   pages should never redeclare component styles.
   ============================================================ */

:root{
  --ink:#14213D; --ink-2:#1E3357; --paper:#FBF9F5; --paper-2:#F1EEE7;
  --accent:#3E6FA6; --accent-2:#A9C4DC; --line:#DCD6C8; --line-ink:rgba(255,255,255,.18);
  --slate:#5B6472; --good:#2F6B4F; --good-bg:#EEF3EE; --limit:#8A6A3C; --limit-bg:#F6F0E6;
  --container:1120px;
  --ease-out:cubic-bezier(0.23, 1, 0.32, 1);
  --ease-content:cubic-bezier(0.33, 1, 0.68, 1);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',system-ui,sans-serif; color:var(--ink); background:var(--paper);
  line-height:1.6; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{font-family:'Fraunces',Georgia,serif; font-weight:500; letter-spacing:-0.01em;}
img,svg{display:block; max-width:100%;}
a{color:inherit;}
ul{list-style:none;}
button{font-family:inherit;}

:focus-visible{outline:2.5px solid var(--accent); outline-offset:3px;}

.wrap{max-width:var(--container); margin:0 auto; padding:0 32px;}
@media(max-width:640px){.wrap{padding:0 20px;}}

.eyebrow{
  font-size:12.5px; font-weight:600; letter-spacing:.16em; text-transform:uppercase;
  color:var(--accent);
}
.eyebrow.on-ink{color:var(--accent-2);}

section{padding:100px 0;}
@media(max-width:640px){section{padding:60px 0;}}
.alt{background:var(--paper-2);}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px; font-family:'Inter',sans-serif;
  font-weight:600; font-size:15px; letter-spacing:.01em; padding:16px 30px;
  border-radius:999px; text-decoration:none; cursor:pointer; border:1.5px solid transparent;
  transition:transform .15s var(--ease-out), box-shadow .15s var(--ease-out), background .15s var(--ease-out); line-height:1;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:scale(0.97);}
.btn-primary{background:var(--ink); color:#fff;}
.btn-primary:hover{background:var(--ink-2); box-shadow:0 8px 24px rgba(20,33,61,.25);}
.btn-primary.on-ink{background:#fff; color:var(--ink);}
.btn-primary.on-ink:hover{background:var(--accent-2);}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-ghost.on-ink{color:#fff; border-color:var(--line-ink);}
.btn-ghost.on-ink:hover{border-color:#fff;}
.btn-sm{padding:11px 20px; font-size:13.5px;}
.cta-row{display:flex; gap:14px; flex-wrap:wrap; align-items:center;}

/* ---------- NAV ---------- */
.site-header{
  position:sticky; top:0; z-index:60; background:rgba(251,249,245,.9);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex; align-items:center; justify-content:space-between; height:76px;}
.logo{font-family:'Fraunces',serif; font-weight:600; font-size:19px; letter-spacing:-.01em; text-decoration:none; color:var(--ink); flex-shrink:0;}
.navlinks{display:flex; gap:30px; font-size:14.5px; font-weight:500; color:var(--slate); align-items:center;}
.navlinks > li{position:relative;}
.navlinks a{text-decoration:none;}
.navlinks a:hover{color:var(--ink);}
.navlinks .current > a{color:var(--ink); font-weight:600;}
.nav-cta{margin-left:8px;}

.has-dropdown > button{
  background:none; border:none; font:inherit; color:inherit; display:flex; align-items:center; gap:5px;
  cursor:pointer; padding:4px 0;
}
.has-dropdown > button:hover{color:var(--ink);}
.has-dropdown .chev{width:8px; height:8px; border-right:1.6px solid currentColor; border-bottom:1.6px solid currentColor;
  transform:rotate(45deg); margin-top:-3px; transition:transform .2s ease;}
.has-dropdown.open .chev{transform:rotate(-135deg); margin-top:2px;}
.dropdown{
  position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%) translateY(-6px);
  background:#fff; border:1px solid var(--line); border-radius:14px; box-shadow:0 16px 40px rgba(20,33,61,.12);
  min-width:250px; padding:10px; opacity:0; visibility:hidden; transition:opacity .18s ease, transform .18s ease;
}
.has-dropdown.open .dropdown, .has-dropdown:hover .dropdown{opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);}
.dropdown a{display:block; padding:11px 14px; border-radius:9px; font-size:14px; color:var(--ink); text-decoration:none;}
.dropdown a:hover{background:var(--paper-2);}
.dropdown a.current{color:var(--accent); font-weight:600;}

.nav-toggle{display:none; background:none; border:none; cursor:pointer; padding:6px; flex-direction:column; gap:5px;}
.nav-toggle span{width:22px; height:2px; background:var(--ink); border-radius:2px; transition:transform .2s ease, opacity .2s ease;}
.mobile-panel{
  display:none; position:fixed; inset:76px 0 0 0; background:var(--paper); z-index:55;
  overflow-y:auto; padding:12px 20px 40px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block; padding:16px 4px; font-size:17px; font-weight:500; color:var(--ink);
  text-decoration:none; border-bottom:1px solid var(--line);
}
.mobile-panel .msub a{padding-left:20px; font-size:15.5px; color:var(--slate);}
.mobile-panel .mgroup-label{padding:16px 4px 6px; font-size:12px; text-transform:uppercase; letter-spacing:.1em; color:var(--slate); font-weight:700;}
.mobile-cta{margin-top:22px;}
.mobile-panel a.mobile-cta{
  display:flex; align-items:center; justify-content:center;
  padding:16px 30px; color:#fff; font-weight:600; line-height:1.3;
  border-bottom:none;
}

@media(max-width:900px){
  .navlinks{display:none;}
  .nav-toggle{display:flex;}
}

/* ---------- SECTION HEADS ---------- */
.section-head{max-width:640px; margin-bottom:48px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head h2{font-size:34px; line-height:1.2;}
@media(max-width:640px){.section-head h2{font-size:26px;}}
.section-head p{color:var(--slate); font-size:16px; margin-top:14px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}
.section-head.wide{max-width:760px;}

/* ---------- HERO (shared shell — pages fill in visual slot) ---------- */
.hero{
  position:relative; background:linear-gradient(160deg,var(--ink) 0%, var(--ink-2) 100%);
  color:#fff; overflow:hidden; padding:88px 0 84px;
}
.hero .wrap{position:relative; z-index:2; display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr; gap:44px;}}
.hero-eyebrow{margin-bottom:20px;}
.hero h1{font-size:50px; line-height:1.12; margin-bottom:20px; letter-spacing:-.02em;}
@media(max-width:640px){.hero h1{font-size:34px;}}
.hero .headline{font-size:19px; color:#EDEBE3; font-weight:400; max-width:52ch; margin-bottom:14px; font-family:'Fraunces',serif;}
.hero .body-text{font-size:15.5px; color:#C7CEDB; max-width:50ch; margin-bottom:16px;}
.hero .body-text strong{color:#fff; font-weight:600;}
.hero .cta-row{margin-top:26px;}
.hero-visual{position:relative;}

/* ---------- CARDS / GROUPS ---------- */
.groups{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
@media(max-width:760px){.groups{grid-template-columns:1fr;}}
.group-card{background:#fff; border:1px solid var(--line); border-radius:16px; padding:30px 28px;}
.group-card h3{font-size:12.5px; text-transform:uppercase; letter-spacing:.1em; font-weight:700;
  color:var(--ink); font-family:'Inter',sans-serif; margin-bottom:18px; display:flex; align-items:center; gap:10px;}
.group-card h3 .dot{width:7px; height:7px; border-radius:50%; background:var(--accent); display:inline-block; flex-shrink:0;}
.group-card li{padding:12px 0; border-top:1px solid var(--line); font-size:15px; color:#2A2F3B; display:flex; gap:10px;}
.group-card li:first-child{border-top:none;}
.group-card li::before{content:"—"; color:var(--accent); flex-shrink:0;}

.card-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
@media(max-width:900px){.card-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.card-grid{grid-template-columns:1fr;}}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr);}
@media(max-width:900px){.card-grid.cols-3{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.card-grid.cols-3{grid-template-columns:1fr;}}
.card-grid.cols-5{grid-template-columns:repeat(5,1fr);}
@media(max-width:1000px){.card-grid.cols-5{grid-template-columns:repeat(3,1fr);}}
@media(max-width:640px){.card-grid.cols-5{grid-template-columns:1fr 1fr;}}

.info-card{background:#fff; border:1px solid var(--line); border-radius:16px; padding:26px 22px;}
/* Hover-lift only on cards that are real links (Fase 1, hallazgo #1) — never on static/label-only cards */
a > .info-card{transition:transform .2s var(--ease-out), box-shadow .2s var(--ease-out), border-color .2s var(--ease-out);}
@media(hover:hover) and (pointer:fine){
  a > .info-card:hover{transform:translateY(-4px); box-shadow:0 14px 32px rgba(20,33,61,.10); border-color:var(--accent-2);}
}
.info-card .ic-num{
  width:32px; height:32px; border-radius:50%; background:var(--paper-2); color:var(--accent);
  font-family:'Fraunces',serif; font-weight:600; font-size:14px; display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.info-card .ic-icon{margin-bottom:16px; color:var(--accent);}
.info-card h3{font-size:15.5px; margin-bottom:8px; line-height:1.3;}
.info-card p{font-size:13.5px; color:var(--slate);}

/* ---------- CALLOUT / HIGHLIGHT ---------- */
.callout{
  background:var(--paper-2); border-left:3px solid var(--accent); padding:16px 20px;
  border-radius:0 10px 10px 0; font-size:14.5px; color:var(--ink); margin:20px 0;
}
.callout.on-ink{background:rgba(255,255,255,.06); border-left-color:var(--accent-2); color:#EDEBE3;}
.quote-card{background:var(--ink); color:#fff; border-radius:16px; padding:28px 28px;}
.quote-card p{font-family:'Fraunces',serif; font-size:18px; line-height:1.4;}
.quote-card.outline{background:transparent; border:1px solid var(--line); color:var(--ink);}

/* ---------- INLINE CTA BANNER ---------- */
.inline-cta{
  margin-top:44px; background:var(--ink); color:#fff; border-radius:18px;
  padding:34px 38px; display:flex; align-items:center; justify-content:space-between;
  gap:24px; flex-wrap:wrap;
}
.inline-cta p{font-family:'Fraunces',serif; font-size:19px; max-width:46ch; line-height:1.35;}
.inline-cta p span{display:block; font-family:'Inter',sans-serif; font-size:13.5px; color:#AAB6CA; margin-top:6px; font-weight:500;}

/* ---------- PROCESS: horizontal numbered steps (real sequences only) ---------- */
.steps-row{display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:12px;}
.steps-row.n5{grid-template-columns:repeat(5,1fr);}
.steps-row.n6{grid-template-columns:repeat(3,1fr);}
.steps-row.n2{grid-template-columns:1fr 1fr;}
@media(max-width:900px){.steps-row, .steps-row.n5, .steps-row.n6, .steps-row.n2{grid-template-columns:1fr; gap:28px;}}

/* ---------- MEDIA + CONTENT SPLIT (photo slot beside steps/copy) ---------- */
.media-split{display:grid; grid-template-columns:.85fr 1.15fr; gap:44px; align-items:center;}
@media(max-width:900px){.media-split{grid-template-columns:1fr;}}
.step-col{position:relative; padding:0 22px 0 0;}
.step-col:last-child{padding-right:0;}
.step-num{font-family:'Fraunces',serif; font-size:15px; color:var(--accent); font-weight:600; display:flex; align-items:center; gap:12px; margin-bottom:16px;}
.step-num .bar{height:1px; background:var(--line); flex:1;}
.step-col:last-child .step-num .bar{display:none;}
@media(max-width:900px){.step-col .step-num .bar{display:none;}}
.step-col h3{font-size:16px; margin-bottom:8px; line-height:1.3;}
.step-col p{font-size:14px; color:var(--slate);}

/* Two side-by-side vertical step lists (used without a photo panel) */
.vsteps-grid{display:grid; grid-template-columns:1fr 1fr; gap:0 44px;}
@media(max-width:760px){.vsteps-grid{grid-template-columns:1fr;}}

/* Vertical step list (used when paired with a side panel) */
.vsteps{display:flex; flex-direction:column;}
.vstep{display:flex; gap:20px; padding:22px 0; border-top:1px solid var(--line);}
.vstep:first-child{border-top:none; padding-top:0;}
.vstep .vnum{font-family:'Fraunces',serif; font-size:20px; color:var(--accent); font-weight:600; width:34px; flex-shrink:0;}
.vstep h3{font-size:16px; margin-bottom:6px;}
.vstep p{font-size:14.5px; color:var(--slate); margin-bottom:8px;}
.vstep li{font-size:14px; color:var(--slate); padding:5px 0 5px 18px; position:relative;}
.vstep li::before{content:""; width:5px; height:5px; border-radius:50%; background:var(--accent); position:absolute; left:0; top:12px;}

/* ---------- SPLIT / CONTRAST PANEL ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; border:1px solid var(--line); border-radius:20px; overflow:hidden;}
@media(max-width:820px){.split{grid-template-columns:1fr;}}
.split > div{padding:40px 38px;}
.split .can{background:var(--good-bg); border-right:1px solid var(--line);}
@media(max-width:820px){.split .can{border-right:none; border-bottom:1px solid var(--line);}}
.split .cannot{background:var(--limit-bg);}
.split h3{font-family:'Inter',sans-serif; font-size:12.5px; text-transform:uppercase; letter-spacing:.1em; font-weight:700; margin-bottom:20px; display:flex; align-items:center; gap:9px;}
.split .can h3{color:var(--good);}
.split .cannot h3{color:var(--limit);}
.split h3 .mark{width:20px; height:20px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; color:#fff; flex-shrink:0;}
.split .can h3 .mark{background:var(--good);}
.split .cannot h3 .mark{background:var(--limit);}
.split li{padding:10px 0; border-top:1px solid rgba(0,0,0,.06); font-size:14.5px; display:flex; gap:10px;}
.split li:first-child{border-top:none;}
.split p.lead{color:var(--slate); font-size:15px; margin-bottom:20px;}
.split p.close{font-size:14px; color:var(--slate); margin-top:18px; padding-top:16px; border-top:1px solid rgba(0,0,0,.08);}

/* ---------- SUBSECTION BOX ---------- */
.subsection-box{
  margin-top:40px; background:var(--paper-2); border-radius:18px; padding:36px 38px;
  display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap;
}
.subsection-box .txt{max-width:520px;}
.subsection-box h3{font-size:19px; margin-bottom:10px;}
.subsection-box p{font-size:14.5px; color:var(--slate); margin-bottom:6px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line); margin-top:8px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding:24px 0; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  font-size:16.5px; font-weight:600; color:var(--ink);
}
.faq-q .plus{width:26px; height:26px; border-radius:50%; border:1px solid var(--line); flex-shrink:0; display:flex; align-items:center; justify-content:center; position:relative; transition:transform .25s ease, background .2s ease;}
.faq-q .plus::before, .faq-q .plus::after{content:""; position:absolute; background:var(--ink);}
.faq-q .plus::before{width:10px; height:1.4px;}
.faq-q .plus::after{width:1.4px; height:10px; transition:opacity .2s ease;}
.faq-item.open .faq-q .plus{background:var(--ink); transform:rotate(180deg);}
.faq-item.open .faq-q .plus::before, .faq-item.open .faq-q .plus::after{background:#fff;}
.faq-item.open .faq-q .plus::after{opacity:0;}
.faq-a{max-height:0; overflow:hidden; transition:max-height .32s ease;}
.faq-a p{padding:0 0 26px; color:var(--slate); font-size:15px; max-width:70ch;}

/* ---------- FINAL CTA ---------- */
.final-cta-wrap{padding:20px 0 100px;}
@media(max-width:640px){.final-cta-wrap{padding:10px 0 60px;}}
.final-cta{
  background:linear-gradient(160deg,var(--ink) 0%, var(--ink-2) 100%); color:#fff;
  text-align:center; border-radius:28px; margin:0 32px; padding:76px 40px;
}
@media(max-width:640px){.final-cta{margin:0 16px; padding:56px 24px; border-radius:20px;}}
.final-cta .eyebrow{justify-content:center; display:flex; margin-bottom:18px;}
.final-cta h2{font-size:32px; max-width:24ch; margin:0 auto 18px; line-height:1.25;}
@media(max-width:640px){.final-cta h2{font-size:24px;}}
.final-cta p{color:#C7CEDB; max-width:50ch; margin:0 auto 34px; font-size:15.5px;}
.final-cta .cta-row{justify-content:center;}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink); color:#C7CEDB; padding:72px 0 32px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; border-bottom:1px solid var(--line-ink);}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr; row-gap:36px;}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{font-family:'Fraunces',serif; color:#fff; font-size:17px; margin-bottom:14px; font-weight:600;}
.footer-grid .foot-label{font-size:12px; text-transform:uppercase; letter-spacing:.1em; color:#8593AC; margin-bottom:14px; font-weight:700;}
.footer-grid p{font-size:14px; color:#AAB6CA; max-width:32ch;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid a{font-size:14px; color:#C7CEDB; text-decoration:none;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:28px; flex-wrap:wrap; gap:12px;}
.footer-bottom p{font-size:12.5px; color:#8593AC;}
.footer-bottom a{font-size:12.5px; color:#8593AC; text-decoration:underline;}

/* ---------- REVEAL ---------- */
/* Content reveals use a gentler curve than interactive feedback (Fase 1, hallazgo #2) */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .6s var(--ease-content), transform .6s var(--ease-content);}
.reveal.in{opacity:1; transform:translateY(0);}

/* Stagger direct children of card grids and step rows as they reveal */
.card-grid.reveal, .steps-row.reveal{opacity:1; transform:none; transition:none;}
.card-grid.reveal > *, .steps-row.reveal > *{
  opacity:0; transform:translateY(14px);
  transition:opacity .5s var(--ease-content), transform .5s var(--ease-content);
}
.card-grid.reveal.in > *, .steps-row.reveal.in > *{opacity:1; transform:translateY(0);}
.card-grid.reveal > *:nth-child(2), .steps-row.reveal > *:nth-child(2){transition-delay:60ms;}
.card-grid.reveal > *:nth-child(3), .steps-row.reveal > *:nth-child(3){transition-delay:120ms;}
.card-grid.reveal > *:nth-child(4), .steps-row.reveal > *:nth-child(4){transition-delay:180ms;}
.card-grid.reveal > *:nth-child(5), .steps-row.reveal > *:nth-child(5){transition-delay:240ms;}

@media(prefers-reduced-motion:reduce){
  .reveal, .card-grid.reveal > *, .steps-row.reveal > *{opacity:1; transform:none; transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- EDUCATIONAL HERO DIAGRAMS (Fase 1 — one per page, not reusable) ---------- */

/* Ronquido: a row of z/Z letters, sized like a soundwave envelope, each bobbing independently — a gentle equalizer made of "zzz" */
.zzz-wave-hero .zw-letter{transform-box:fill-box; transform-origin:center;}
@media(prefers-reduced-motion:no-preference){
  .zzz-wave-hero .zw-1{animation:zw-bob-sm 2.6s ease-in-out infinite;}
  .zzz-wave-hero .zw-2{animation:zw-bob-md 2.9s ease-in-out infinite; animation-delay:.3s;}
  .zzz-wave-hero .zw-3{animation:zw-bob-lg 2.4s ease-in-out infinite; animation-delay:.5s;}
  .zzz-wave-hero .zw-4{animation:zw-bob-lg 2.7s ease-in-out infinite; animation-delay:.15s;}
  .zzz-wave-hero .zw-5{animation:zw-bob-sm 3.1s ease-in-out infinite; animation-delay:.6s;}
}
@keyframes zw-bob-sm{0%, 100%{transform:translateY(0);} 50%{transform:translateY(-3px);}}
@keyframes zw-bob-md{0%, 100%{transform:translateY(0);} 50%{transform:translateY(-4px);}}
@keyframes zw-bob-lg{0%, 100%{transform:translateY(0);} 50%{transform:translateY(-6px);}}

/* Estudios del sueño: the 5 channel dots light up in sequence, hold, then dim together — loops like a device self-check */
@media(prefers-reduced-motion:no-preference){
  .wave-panel .channel-1{animation:chan-light-1 6s ease-in-out infinite;}
  .wave-panel .channel-2{animation:chan-light-2 6s ease-in-out infinite;}
  .wave-panel .channel-3{animation:chan-light-3 6s ease-in-out infinite;}
  .wave-panel .channel-4{animation:chan-light-4 6s ease-in-out infinite;}
  .wave-panel .channel-5{animation:chan-light-5 6s ease-in-out infinite;}
}
@keyframes chan-light-1{
  0%, 8%, 86%, 100%{color:#5B6472;}
  14%, 78%{color:#A9C4DC;}
}
@keyframes chan-light-2{
  0%, 15%, 86%, 100%{color:#5B6472;}
  21%, 78%{color:#A9C4DC;}
}
@keyframes chan-light-3{
  0%, 22%, 86%, 100%{color:#5B6472;}
  28%, 78%{color:#A9C4DC;}
}
@keyframes chan-light-4{
  0%, 29%, 86%, 100%{color:#5B6472;}
  35%, 78%{color:#A9C4DC;}
}
@keyframes chan-light-5{
  0%, 36%, 86%, 100%{color:#5B6472;}
  42%, 78%{color:#A9C4DC;}
}
@media(prefers-reduced-motion:reduce){
  .wave-panel .channel-1, .wave-panel .channel-2, .wave-panel .channel-3, .wave-panel .channel-4, .wave-panel .channel-5{color:#A9C4DC;}
}

/* Ortodoncia: the corrected tooth resolves, the dimension line draws in, then the plan label appears — once, on first view */
.blueprint-hero .bp-after-tooth{opacity:0; transition:opacity .5s var(--ease-content);}
.blueprint-hero .bp-dim-line{stroke-dasharray:1; stroke-dashoffset:1; transition:stroke-dashoffset .5s var(--ease-content);}
.blueprint-hero .bp-tick{opacity:0; transition:opacity .3s var(--ease-content);}
.blueprint-hero .bp-label-line{stroke-dasharray:1; stroke-dashoffset:1; transition:stroke-dashoffset .5s var(--ease-content);}
.blueprint-hero .bp-label-text{opacity:0; transition:opacity .5s var(--ease-content);}
.blueprint-hero.in .bp-after-tooth{opacity:1;}
.blueprint-hero.in .bp-dim-line{stroke-dashoffset:0; transition-delay:300ms;}
.blueprint-hero.in .bp-tick{opacity:1; transition-delay:850ms;}
.blueprint-hero.in .bp-label-line{stroke-dashoffset:0; transition-delay:1000ms;}
.blueprint-hero.in .bp-label-text{opacity:1; transition-delay:1600ms;}
@media(prefers-reduced-motion:reduce){
  .blueprint-hero .bp-after-tooth, .blueprint-hero .bp-tick, .blueprint-hero .bp-label-text{opacity:1; transition:none;}
  .blueprint-hero .bp-dim-line, .blueprint-hero .bp-label-line{stroke-dashoffset:0; transition:none;}
}

/* Apnea: a soft, muted marker traces the airflow line and dwells at each "pausa" — conceptual, not a live physiological readout */
.airflow-marker{opacity:0;}
@media(prefers-reduced-motion:no-preference){
  .airflow-marker{animation:airflow-travel 9s ease-in-out infinite;}
}
@keyframes airflow-travel{
  0%   {offset-distance:0%;   opacity:0;}
  5%   {opacity:.85;}
  30%  {offset-distance:35%;  opacity:.85;}
  42%  {offset-distance:35%;  opacity:.85;}
  48%  {opacity:.85;}
  66%  {offset-distance:69%;  opacity:.85;}
  78%  {offset-distance:69%;  opacity:.85;}
  96%  {offset-distance:100%; opacity:.85;}
  100% {offset-distance:100%; opacity:0;}
}

/* Ortopedia: the palate expander screw ticks and its arrows pulse, once, the first time the hero enters view, then holds expanded */
.expander-hero .ex-screw{transform-box:fill-box; transform-origin:center;}
.expander-hero .ex-arrow{transform-box:fill-box; transform-origin:center; opacity:.6;}
@media(prefers-reduced-motion:no-preference){
  .expander-hero.in .ex-screw{animation:ex-screw-tick 2.4s linear forwards;}
  .expander-hero.in .ex-arrow{animation:ex-arrow-pulse 2.4s ease-in-out forwards;}
}
@keyframes ex-screw-tick{
  0%{transform:rotate(0deg);} 15%{transform:rotate(90deg);} 55%{transform:rotate(180deg);} 95%{transform:rotate(270deg);} 100%{transform:rotate(270deg);}
}
@keyframes ex-arrow-pulse{
  0%, 100%{opacity:.6;} 15%, 55%, 95%{opacity:1;}
}
@media(prefers-reduced-motion:reduce){
  .expander-hero .ex-screw{transform:rotate(270deg);}
  .expander-hero .ex-arrow{opacity:1;}
}

/* Agenda: a thin accent rule draws in under the heading — once, on first view */
.agenda-rule{width:64px; height:2px; background:var(--accent-2); margin:16px 0 20px; transform:scaleX(0); transform-origin:left; transition:transform .6s var(--ease-content);}
.agenda-hero.in .agenda-rule{transform:scaleX(1);}
@media(prefers-reduced-motion:reduce){
  .agenda-rule{transform:scaleX(1); transition:none;}
}

/* Home: a small highlight travels center → each pillar node → back to center, once, on first view */
.focus-ring-hero .fr-highlight{opacity:0;}
@media(prefers-reduced-motion:no-preference){
  .focus-ring-hero.in .fr-highlight{animation:fr-sweep 3.6s var(--ease-content) both;}
}
.focus-ring-hero .fr-node{opacity:.4; transition:opacity .5s var(--ease-content);}
.focus-ring-hero.in .fr-node-1{opacity:1; transition-delay:380ms;}
.focus-ring-hero.in .fr-node-2{opacity:1; transition-delay:1580ms;}
.focus-ring-hero.in .fr-node-3{opacity:1; transition-delay:2780ms;}
@keyframes fr-sweep{
  0%   {transform:translate(0,0); opacity:.9;}
  12%  {transform:translate(0,-95px); opacity:1;}
  22%  {transform:translate(0,-95px); opacity:1;}
  34%  {transform:translate(0,0); opacity:.9;}
  46%  {transform:translate(-82px,48px); opacity:1;}
  56%  {transform:translate(-82px,48px); opacity:1;}
  68%  {transform:translate(0,0); opacity:.9;}
  80%  {transform:translate(82px,48px); opacity:1;}
  90%  {transform:translate(82px,48px); opacity:1;}
  100% {transform:translate(0,0); opacity:.9;}
}
@media(prefers-reduced-motion:reduce){
  .focus-ring-hero .fr-highlight{opacity:.9;}
  .focus-ring-hero .fr-node{opacity:1; transition:none;}
}

/* Sueño hub: the trace breathes like respiration; at its peak a small '?' briefly resolves, then continues — loops gently */
@media(prefers-reduced-motion:no-preference){
  .breath-question-hero .bq-line{
    transform-box:fill-box; transform-origin:center;
    animation:bq-breathe 5.2s ease-in-out infinite;
  }
}
@keyframes bq-breathe{
  0%, 100%{transform:scaleY(1);}
  50%     {transform:scaleY(1.09);}
}
.breath-question-hero .bq-mark{opacity:0;}
@media(prefers-reduced-motion:no-preference){
  .breath-question-hero .bq-mark{animation:bq-mark-resolve 5.2s ease-in-out infinite;}
}
@keyframes bq-mark-resolve{
  0%, 35%, 100%{opacity:0;}
  50%          {opacity:.85;}
  68%          {opacity:0;}
}

/* ---------- PHOTO SLOT (intentional placeholder for real photography) ---------- */
.photo-slot{
  aspect-ratio:4/5; border-radius:14px; border:1px dashed var(--line);
  background:repeating-linear-gradient(135deg, var(--paper-2), var(--paper-2) 10px, #fff 10px, #fff 20px);
  display:flex; align-items:center; justify-content:center; text-align:center; padding:20px; margin-bottom:18px;
}
.photo-slot span{font-size:12px; color:var(--slate); font-weight:600; max-width:16ch; line-height:1.4;}
.photo-slot.wide{aspect-ratio:16/10;}

/* ---------- PHOTO (real photography) ---------- */
.photo{aspect-ratio:4/5; border-radius:14px; overflow:hidden; margin-bottom:18px;}
.photo img{width:100%; height:100%; object-fit:cover; display:block;}
.photo.wide{aspect-ratio:16/10;}

/* ---------- NARRATIVE TIMELINE (vertical sequence — e.g. apnea mechanism) ---------- */
.timeline{position:relative; max-width:640px; padding-left:40px;}
.timeline::before{content:""; position:absolute; left:13px; top:14px; bottom:14px; width:1.5px; background:var(--line);}
.tl-node{position:relative; padding-bottom:32px;}
.tl-node:last-child{padding-bottom:0;}
.tl-num{
  position:absolute; left:-40px; top:-2px; width:27px; height:27px; border-radius:50%;
  background:var(--paper); border:1.5px solid var(--accent); color:var(--accent);
  font-family:'Fraunces',serif; font-size:12.5px; font-weight:600;
  display:flex; align-items:center; justify-content:center;
}
.tl-node h3{font-size:15.5px; margin-bottom:4px; color:var(--ink);}
.tl-node p{font-size:14px; color:var(--slate);}
.tl-node.climax{background:var(--paper-2); border-radius:14px; padding:18px 20px 18px 24px; margin-left:-24px;}
.tl-node.climax .tl-num{background:var(--ink); border-color:var(--ink); color:#fff; left:-16px;}
.tl-node.climax h3{font-family:'Fraunces',serif; font-size:17px;}
.tl-node.climax li{font-size:13.5px; color:var(--slate); padding:4px 0 4px 16px; position:relative;}
.tl-node.climax li::before{content:""; width:4px; height:4px; border-radius:50%; background:var(--accent); position:absolute; left:0; top:11px;}
@media(max-width:480px){
  .timeline{padding-left:34px;}
  .timeline::before{left:11px;}
  .tl-num{left:-34px; width:23px; height:23px; font-size:11px;}
  .tl-node.climax{margin-left:-14px; padding-left:18px;}
  .tl-node.climax .tl-num{left:-10px;}
}

/* ---------- MEDICAL CONTEXT NOTE (separated from day-to-day symptom lists) ---------- */
.context-note{
  border:1px solid var(--line); border-radius:14px; padding:20px 24px; margin-top:28px;
  background:#fff; max-width:640px;
}
.context-note .cn-label{font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; font-weight:700; color:var(--slate); margin-bottom:8px;}
.context-note p{font-size:14px; color:var(--slate);}

/* ---------- BOOKING PANEL (Doctoralia widget container — agenda.html) ---------- */
.booking-panel{
  max-width:900px; margin:0 auto; padding:36px; background:#fff;
  border:1px solid var(--line); border-radius:20px;
}
@media(max-width:640px){.booking-panel{padding:20px 16px; border-radius:16px;}}
.booking-panel .zl-url{display:inline-block;} /* let Doctoralia's own widget styling take over once loaded */
.booking-fallback-note{font-size:12.5px; color:var(--slate); text-align:center; margin-top:14px;}

.booking-secondary{max-width:640px; margin:56px auto 0; text-align:center;}
.booking-secondary h2{font-size:20px; margin-bottom:8px;}
.booking-secondary p{color:var(--slate); font-size:14.5px; margin-bottom:20px;}

/* ---------- PRINCIPLE LIST (editorial alternative to generic value cards) ---------- */
.principle-list{border:1px solid var(--line); border-radius:18px; background:#fff; overflow:hidden;}
.principle-row{display:grid; grid-template-columns:220px 1fr; gap:24px; padding:26px 30px; border-top:1px solid var(--line); align-items:baseline;}
.principle-row:first-child{border-top:none;}
@media(max-width:700px){.principle-row{grid-template-columns:1fr; gap:6px;}}
.principle-row h3{font-family:'Fraunces',serif; font-size:17px; color:var(--ink);}
.principle-row p{font-size:14.5px; color:var(--slate);}

/* ============================================================
   PAGE ACCENT OVERRIDES — each clinical topic gets its own
   accent color layered on the shared navy/paper base. This is
   the primary mechanism for "visual variation" between pages;
   components above never need page-specific CSS.
   ============================================================ */
body.page-home       { --accent:#3E6FA6; --accent-2:#A9C4DC; } /* brand default: steel blue */
body.page-sleep      { --accent:#3E6FA6; --accent-2:#A9C4DC; } /* respiration / integrated evaluation */
body.page-snoring    { --accent:#3E8F8A; --accent-2:#A9D6D1; } /* airflow / vibration */
body.page-apnea      { --accent:#6B5CA5; --accent-2:#C9C0E6; } /* obstruction / interruption */
body.page-studies    { --accent:#3E6FA6; --accent-2:#A9C4DC; } /* recorded signal / measurement */
body.page-ortho      { --accent:#AD7F3E; --accent-2:#E3CDA0; } /* movement / planning */
body.page-orthopedics{ --accent:#4C8B63; --accent-2:#B7D8C3; } /* growth / timing */
