:root{--night:#111827;--deep:#1b2940;--paper:#f7f4ed;--card:#fffdf8;--ink:#182232;--muted:#5e6979;--line:#d9dde3;--gold:#d99443;--blue:#4d82b3;--sage:#2f6d5a;--red:#8b3532;--softblue:#eaf2fa;--softgold:#fbefdc;--softsage:#e7f0eb;--softred:#fff0ef}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.68 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:#135f99}button,input,select,textarea{font:inherit}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px max(18px,calc((100vw - 1080px)/2));background:#fffdf8ef;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.back{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:#344154;font-weight:750}.stepmark{color:#6d7582;font-size:.82rem;font-weight:700;letter-spacing:.04em}.hero{padding:64px max(20px,calc((100vw - 1080px)/2)) 70px;background:radial-gradient(circle at 83% 0,#315f90 0,transparent 29rem),linear-gradient(135deg,#101827,#243753);color:#fff}.kicker{margin:0 0 14px;color:#ffd39a;font-size:.76rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.hero h1{max-width:860px;margin:0 0 20px;font:clamp(2.5rem,6vw,5rem)/.98 Georgia,"Times New Roman",serif;letter-spacing:-.05em}.hero .lead{max-width:750px;margin:0;color:#e2eaf4;font-size:clamp(1.05rem,2vw,1.3rem)}.route{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:min(1080px,calc(100% - 32px));margin:-22px auto 56px;padding:8px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:0 15px 40px #17203314}.route a{text-align:center;text-decoration:none;color:#495568;font-size:.82rem;font-weight:750;padding:10px;border-radius:9px}.route a:hover{background:#eef2f6}.page{width:min(1080px,calc(100% - 32px));margin:0 auto}.reading{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.content{min-width:0}.side{position:sticky;top:78px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--card)}.side strong{display:block;margin-bottom:10px;font-family:Georgia,serif;font-size:1.2rem}.side a{display:block;padding:6px 0;text-decoration:none;color:#4a5869;font-size:.91rem}.eyebrow{margin:0 0 9px;color:#956124;font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.chapter{scroll-margin-top:76px;margin:0 0 62px}.chapter h2{margin:0 0 17px;font:clamp(2rem,4vw,3.15rem)/1.05 Georgia,"Times New Roman",serif;letter-spacing:-.035em}.chapter h3{margin:28px 0 10px;font:1.55rem/1.15 Georgia,serif}.chapter>p{max-width:780px}.concept{margin:22px 0;padding:24px 26px;border-left:4px solid var(--blue);border-radius:0 16px 16px 0;background:var(--softblue)}.concept p:last-child,.callout p:last-child,.action p:last-child{margin-bottom:0}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:23px 0}.mini{padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--card)}.mini b{display:block;margin-bottom:7px;font:1.25rem Georgia,serif}.signal{display:grid;grid-template-columns:34px 1fr;gap:12px;margin:11px 0;padding:14px;border-radius:13px;background:#fff;border:1px solid var(--line)}.signal span:first-child{font-weight:850;color:var(--blue)}.actionflow{display:grid;gap:14px;margin:25px 0;counter-reset:steps}.action{position:relative;padding:24px 24px 24px 78px;border:1px solid var(--line);border-radius:18px;background:var(--card)}.action:before{counter-increment:steps;content:counter(steps);position:absolute;left:22px;top:23px;display:grid;place-items:center;width:39px;height:39px;border-radius:50%;background:var(--night);color:#fff;font-weight:800}.action h3{margin:0 0 7px}.why{margin:12px 0;padding:12px 14px;border-radius:10px;background:#eff2f5;color:#39485a}.fallback{color:#3d6178}.callout{margin:24px 0;padding:23px;border:1px solid #e8c68f;border-radius:17px;background:var(--softgold)}.safe{border-color:#b7d2c4;background:var(--softsage)}.danger{border-color:#e0aba8;background:var(--softred)}.danger h3,.danger strong{color:var(--red)}.video{display:flex;gap:15px;align-items:center;margin:15px 0;padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:var(--ink)}.video:hover{border-color:#6e94b8}.play{display:grid;place-items:center;flex:0 0 45px;width:45px;height:45px;border-radius:50%;background:#c33;color:#fff}.video small{display:block;color:var(--muted)}.sourcebox{padding:23px;border-top:1px solid var(--line);color:#5c6675;font-size:.9rem}.sourcebox li{margin:7px 0}.next{display:flex;justify-content:space-between;gap:12px;margin:50px 0;padding:22px 0;border-top:1px solid var(--line)}.btn{display:inline-block;padding:12px 16px;border:0;border-radius:10px;background:var(--night);color:#fff;text-decoration:none;font-weight:800;cursor:pointer}.btn.alt{background:#e9edf2;color:#283548}.form-card{margin:18px 0;padding:23px;border:1px solid var(--line);border-radius:18px;background:var(--card)}.form-card legend{padding:0 8px;font:1.25rem Georgia,serif}.question{margin:0 0 22px}.question>label:first-child,.question>span:first-child{display:block;margin-bottom:9px;font-weight:800}.options{display:grid;gap:8px}.option{display:flex;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}.option:has(input:checked){border-color:var(--blue);background:var(--softblue)}select,textarea{width:100%;padding:12px;border:1px solid #aeb6c1;border-radius:10px;background:#fff;color:var(--ink)}textarea{min-height:120px;resize:vertical}.result{display:none;margin:25px 0}.result.show{display:block}.resultcard{margin:12px 0;padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff}.resultcard.urgent{border-color:#d89793;background:var(--softred)}.resultcard h3{margin-top:0}.privacy{color:#5c6979;font-size:.9rem}.select-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.portal{padding:54px max(20px,calc((100vw - 1120px)/2)) 26px;background:linear-gradient(135deg,#0f1726,#243752);color:#fff}.portal h1{max-width:900px;margin:0 0 15px;font:clamp(2.7rem,7vw,5.7rem)/.96 Georgia,serif;letter-spacing:-.055em}.portal p{max-width:760px;color:#e4ebf4;font-size:1.13rem}.selector{width:min(1120px,calc(100% - 32px));margin:40px auto 70px}.selector h2{font:clamp(2rem,4vw,3.2rem)/1.05 Georgia,serif}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.choicecard{position:relative;display:block;min-height:190px;padding:25px 62px 25px 25px;border:1px solid var(--line);border-radius:18px;background:var(--card);color:var(--ink);text-decoration:none;transition:.18s ease}.choicecard:hover{transform:translateY(-2px);border-color:#6d91b2;box-shadow:0 12px 28px #15203712}.choicecard .num{display:block;margin-bottom:12px;color:#9a6527;font-size:.76rem;font-weight:850;letter-spacing:.11em;text-transform:uppercase}.choicecard h3{margin:0 0 10px;font:1.55rem/1.12 Georgia,serif}.choicecard p{margin:0;color:var(--muted);font-size:.95rem}.choicecard:after{content:'→';position:absolute;right:24px;top:25px;font-size:1.6rem}.choicecard.special{background:#e9f1f8}.choicecard.clinical{background:#f6eee4;border-color:#dfc49e}.intro{width:min(840px,calc(100% - 32px));margin:48px auto 0}.intro h2{font:clamp(2rem,4vw,3.3rem)/1.05 Georgia,serif}.footer{margin-top:50px;padding:30px;background:var(--night);color:#dce5ef;text-align:center;font-size:.88rem}
@media(max-width:820px){.reading{grid-template-columns:1fr}.side{display:none}.three,.cards,.select-grid{grid-template-columns:1fr}.route{grid-template-columns:repeat(2,1fr)}.hero{padding-top:45px}.choicecard{min-height:auto}.topbar{align-items:flex-start}.stepmark{display:none}}
@media(max-width:520px){body{font-size:16px}.hero h1,.portal h1{font-size:2.6rem}.action{padding:20px 18px 20px 66px}.action:before{left:15px}.route{margin-bottom:40px}.next{flex-direction:column}.btn{text-align:center}}
@media print{.topbar,.route,.side,.next{display:none}.hero{padding:30px;background:#24334a}.reading{display:block}.chapter{break-inside:avoid}.video{border:1px solid #bbb}}

/* Refinamientos editoriales y de lectura móvil */
.form-card legend{float:left;width:100%;margin:0 0 22px;padding:0;font:1.45rem/1.2 Georgia,serif;color:var(--ink)}
.form-card legend+*{clear:both}
.radical-feature{overflow:hidden;border:1px solid #d8a45d;border-radius:24px;background:linear-gradient(145deg,#fff8e9,#f5e2c2);box-shadow:0 22px 60px #6f451726}
.radical-feature .radical-banner{padding:22px 26px;background:linear-gradient(120deg,#8a4f16,#c88631);color:#fff}
.radical-feature .radical-banner span{display:block;font-size:.82rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.radical-feature .radical-banner strong{display:block;margin-top:5px;font:clamp(1.65rem,4vw,2.65rem)/1.05 Georgia,serif}
.radical-feature .radical-body{padding:28px}
.radical-warning{margin:0 0 18px;padding:13px 15px;border-left:4px solid #9a2f2b;background:#fff8f6;color:#6e2d2a;font-size:.9rem}
.radical-title{margin:0 0 18px!important;font-size:clamp(2.35rem,6vw,4.5rem)!important;line-height:.96!important}
.compact-danger{padding:14px 16px;font-size:.82rem;line-height:1.45}
.compact-danger h3{margin:0 0 5px;font:1rem/1.2 ui-sans-serif,system-ui,sans-serif}
.compact-danger p{margin:0}
.tip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}
.tip-card{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
.tip-card h3{margin:0 0 9px;font:1.55rem/1.12 Georgia,serif}
.tip-card p{margin:8px 0}
.tip-card .tag{display:inline-block;margin-bottom:10px;padding:4px 9px;border-radius:999px;background:var(--softblue);color:#315d7f;font-size:.73rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.resultcard .microplan{margin-top:14px;padding:14px;border-radius:12px;background:#f2f5f8}
.resultcard .microplan b{display:block;margin-bottom:5px}
.resultcard.priority{border-left:5px solid var(--blue)}
.question-help{margin:-3px 0 12px;color:var(--muted);font-size:.88rem}
@media(max-width:700px){.tip-grid{grid-template-columns:1fr}.radical-feature .radical-body{padding:21px}.form-card{padding:20px 16px}.form-card legend{font-size:1.3rem}.select-grid{grid-template-columns:1fr}}

/* Secciones destacadas de trucos y educación */
.tips-feature{position:relative;margin-inline:-18px!important;padding:clamp(28px,5vw,52px);border:1px solid #cdd9e5;border-radius:28px;background:linear-gradient(145deg,#f8fbff,#edf4f8);box-shadow:0 24px 70px #14243a14}
.tips-feature>h2{display:inline-block;margin-bottom:20px;padding:8px 0;border-bottom:5px solid #c98631;font-size:clamp(2.4rem,6vw,4.7rem)}
.tips-feature>.tip-grid{margin-top:30px}
.tip-card.most-important{grid-column:1/-1;border:2px solid #c98631;background:linear-gradient(135deg,#fff8e8,#fff);box-shadow:0 16px 36px #7a4c1818}
.tip-card.most-important h3{font-size:clamp(2rem,4vw,3rem)}
.education-feature{margin-inline:-18px!important;padding:clamp(30px,6vw,58px);border-radius:28px;background:linear-gradient(150deg,#101a2b,#274466);color:#f7f9fc;box-shadow:0 28px 80px #1018272e}
.education-feature h2{max-width:800px;color:#fff;font-size:clamp(2.7rem,6vw,5rem)}
.education-feature h3{color:#fff}
.section-badge{display:inline-block;margin:0 0 16px!important;padding:6px 12px;border:1px solid #ffd39a77;border-radius:999px;color:#ffd39a;font-size:.78rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.education-lead{max-width:760px!important;color:#dfe9f4;font-size:1.2rem}
.education-block{margin:22px 0;padding:24px;border:1px solid #ffffff24;border-radius:18px;background:#ffffff0c}
.education-block h3{margin-top:0}
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}
.stage-grid article{padding:22px;border:1px solid #ffffff29;border-radius:18px;background:#f8fbff;color:#172235}
.stage-grid article h3{margin:8px 0;color:#172235}
.stage-grid article span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#c98631;color:#fff;font-weight:850}
.warning-block{border-color:#f0bd72;background:#6e3e1c55}
.sleep-quote{margin:24px 0 0;padding:20px 22px;border-left:5px solid #ffd39a;background:#ffffff10;color:#fff;font:italic 1.25rem/1.55 Georgia,serif}
.education-feature .sourcebox{margin-top:30px;border-color:#ffffff2b;color:#dfe7f1}
.education-feature .sourcebox a{color:#a9d9ff}
@media(max-width:700px){.tips-feature,.education-feature{margin-inline:-8px!important;padding:25px 18px}.stage-grid{grid-template-columns:1fr}.tip-card.most-important{grid-column:auto}}