@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Playfair+Display:wght@600;700&display=swap');
:root{--sky:#a9d2ee;--ink:#17232d;--muted:#5d6871;--paper:#f8fbfd;--white:#fff;--line:rgba(23,35,45,.12);--shadow:0 18px 50px rgba(35,75,98,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:15px clamp(20px,5vw,70px);background:rgba(248,251,253,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--sky);font-size:12px;font-weight:800;letter-spacing:.05em}.brand-name strong,.brand strong{font-weight:800}
.nav{display:flex;gap:28px;font-size:14px;font-weight:600}.nav a{opacity:.78;transition:.2s}.nav a:hover{opacity:1;color:#3b82ad}.menu-toggle{display:none;border:0;background:none;font-size:25px;color:var(--ink)}
.hero{min-height:680px;position:relative;display:flex;align-items:center;overflow:hidden;padding:80px clamp(24px,8vw,120px);background:linear-gradient(135deg,#f8fbfd 0%,#e8f4fb 62%,#c4e1f2 100%)}
.hero-content{max-width:700px;position:relative;z-index:2}.eyebrow{margin:0 0 12px;font-size:12px;letter-spacing:.2em;font-weight:800;color:#3d7fa6}.hero h1{font-family:"Playfair Display",Georgia,serif;font-size:clamp(48px,7vw,88px);line-height:.98;margin:0 0 26px;letter-spacing:-.04em}.hero h1 span{color:#4b91ba}.hero-text{max-width:600px;font-size:18px;color:var(--muted);margin:0 0 34px}
.button{display:inline-flex;gap:14px;align-items:center;padding:13px 20px;border-radius:999px;background:var(--ink);color:white;font-weight:700;box-shadow:var(--shadow);transition:transform .2s}.button:hover{transform:translateY(-2px)}
.hero-decoration{position:absolute;right:-90px;bottom:-180px;width:620px;height:620px}.circle{width:100%;height:100%;border-radius:50%;background:rgba(169,210,238,.48);border:1px solid rgba(93,159,202,.28)}.spark{position:absolute;color:#4b91ba;font-size:30px}.spark-1{top:8%;left:22%}.spark-2{top:34%;right:12%}.spark-3{bottom:26%;left:10%}
.section{padding:100px clamp(24px,8vw,120px)}.section-heading{max-width:720px;margin:0 auto 50px;text-align:center}.section-heading h2,.mystery h2{font-family:"Playfair Display",Georgia,serif;font-size:clamp(34px,5vw,54px);line-height:1.08;margin:0 0 16px}.section-heading p:not(.eyebrow),.mystery p{color:var(--muted);font-size:17px}
.cards{max-width:1100px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{padding:32px;background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:0 8px 30px rgba(30,65,85,.06)}.card-icon{font-size:32px;margin-bottom:16px}.card h3{margin:0 0 8px;font-size:22px}.card p{margin:0;color:var(--muted)}
.mystery{margin:0 clamp(18px,5vw,70px) 100px;padding:70px clamp(25px,7vw,90px);border-radius:30px;background:var(--ink);color:white;overflow:hidden;position:relative}.mystery:after{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-70px;top:-80px}.mystery .eyebrow{color:#9bd0ed}.mystery h2{max-width:700px}.mystery p{max-width:650px;color:#cbd5dc}.dots{display:flex;gap:8px;margin-top:28px}.dots span{width:8px;height:8px;border-radius:50%;background:#9bd0ed;opacity:.7}.dots span:nth-child(2){opacity:.4}.dots span:nth-child(3){opacity:.2}
.social-section{padding-top:30px}.social-grid{max-width:900px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.social-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:30px 15px;border:1px solid var(--line);border-radius:20px;background:white;transition:.2s}.social-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.social-card span{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:#e5f2fa;font-size:24px;font-weight:800}.social-card small{color:var(--muted)}
footer{padding:45px 24px;text-align:center;border-top:1px solid var(--line);color:var(--muted)}.footer-brand{font-weight:800;letter-spacing:.15em;color:var(--ink);font-size:13px}
@media(max-width:760px){.site-header{padding:12px 18px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:12px;right:12px;flex-direction:column;gap:0;padding:10px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:12px 14px}.hero{min-height:620px;padding:70px 24px;align-items:flex-start}.hero h1{font-size:52px}.hero-text{font-size:16px}.hero-decoration{width:390px;height:390px;right:-190px;bottom:-90px}.section{padding:75px 20px}.cards,.social-grid{grid-template-columns:1fr}.card{text-align:center}.mystery{margin:0 16px 70px;padding:55px 25px}}

/* YouTube — tarjeta estilo revista */
.youtube-feature{max-width:1100px;margin:0 auto 34px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.9fr);background:var(--white);border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
.youtube-thumb{position:relative;display:block;min-height:360px;background:#dcecf6;overflow:hidden}
.youtube-thumb img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .35s ease}
.youtube-thumb:hover img{transform:scale(1.025)}
.youtube-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:rgba(23,35,45,.92);color:white;font-size:25px;padding-left:4px;box-shadow:0 12px 35px rgba(0,0,0,.2);transition:transform .2s ease}
.youtube-thumb:hover .youtube-play{transform:translate(-50%,-50%) scale(1.08)}
.youtube-info{padding:42px 38px;display:flex;flex-direction:column;justify-content:center}
.youtube-meta{display:flex;align-items:center;gap:12px;margin-bottom:20px;color:#3d7fa6;font-size:11px;font-weight:800;letter-spacing:.12em}
.youtube-logo{width:42px;height:42px;border-radius:50%;object-fit:cover;border:1px solid rgba(23,35,45,.12)}
.youtube-info h3{font-family:"Playfair Display",Georgia,serif;font-size:clamp(30px,3.5vw,45px);line-height:1.05;margin:0 0 16px;letter-spacing:-.025em}
.youtube-info p{margin:0 0 28px;color:var(--muted);font-size:16px}
.youtube-button{align-self:flex-start}
.social-grid-bottom{margin-top:0}
@media(max-width:760px){.youtube-feature{grid-template-columns:1fr;border-radius:22px}.youtube-thumb{min-height:230px}.youtube-info{padding:30px 24px}.youtube-meta{font-size:10px}.youtube-play{width:62px;height:62px;font-size:22px}.youtube-info h3{font-size:34px}.youtube-button{align-self:stretch;justify-content:center}}