:root{--primary:#24476a;--primary-hover:#315d83;--accent:#4d91a4;--ink:#243448;--muted:#637387;--surface:#fff;--background:#f7f9fc;--border:#e4ebf1;--radius:18px;--shadow:0 12px 36px rgba(30,57,80,.075)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;font-family:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--background);line-height:1.7}a{color:var(--primary)}a:hover{color:var(--accent)}img{max-width:100%;display:block}h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h2{font-size:clamp(1.8rem,3vw,2.7rem)}p{color:var(--muted)}.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.site-nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:20px}.brand{text-decoration:none;font-weight:800;letter-spacing:-.02em;font-size:1.08rem}.brand span{color:var(--accent)}.nav-links{display:flex;align-items:center;gap:22px}.nav-links a{text-decoration:none;font-size:.94rem;font-weight:600;color:var(--ink)}.nav-links a:hover{color:var(--accent)}.menu-toggle{display:none;border:1px solid var(--border);border-radius:10px;background:white;color:var(--primary);padding:9px 13px;font-size:1.2rem;cursor:pointer}.hero{position:relative;isolation:isolate;overflow:hidden;padding:clamp(90px,13vw,160px) 0;background:linear-gradient(120deg,rgba(21,51,74,.88),rgba(40,83,105,.72)),url('../img/portada_invernal.jpg') center/cover;color:white}.hero::after{content:'';position:absolute;right:-140px;bottom:-200px;width:500px;height:500px;border:1px solid rgba(255,255,255,.16);border-radius:50%;pointer-events:none}.hero-content{max-width:760px}.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.15em;font-size:.78rem;font-weight:750;color:#bfe4e9;margin-bottom:16px}.hero h1{font-size:clamp(3rem,7vw,5.6rem);margin:0 0 16px;color:white}.hero p{font-size:clamp(1.05rem,2vw,1.35rem);color:#e9f3f5;margin:0 0 30px}.hero .subtitle{font-weight:700;color:white}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 24px;min-height:50px;border-radius:12px;text-decoration:none;font-size:1rem;font-weight:700;line-height:1.25;transition:background .2s,transform .2s,box-shadow .2s;box-shadow:none;text-shadow:none;border:1px solid transparent}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-hover);color:white;box-shadow:0 9px 20px rgba(36,71,106,.17)}.btn-light{background:#fff;color:var(--primary)}.btn-light:hover{background:#eef5f8;color:var(--primary)}.section{padding:clamp(65px,8vw,110px) 0}.section-heading{max-width:740px;margin:0 auto 38px;text-align:center}.section-heading h2{margin:0 0 14px}.section-heading p{margin:0}.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.about-grid h2{margin:0 0 20px}.feature-list{display:grid;gap:14px;margin:24px 0 0;padding:0;list-style:none}.feature-list li{display:flex;align-items:flex-start;gap:12px}.feature-list i{color:var(--accent);margin-top:7px}.about-note{background:linear-gradient(145deg,#e7f1f3,#f3f7fa);padding:34px;border-radius:var(--radius);border:1px solid #dbe9ed}.about-note i{font-size:2rem;color:var(--accent)}.about-note h3{margin:16px 0 10px}.about-note p{margin:0}.section-alt{background:#eef3f7}.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.service-card,.training-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s}.service-card:hover,.training-card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(30,57,80,.12)}.service-card{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:28px;text-decoration:none;color:var(--ink)}.service-card:hover{color:var(--ink)}.service-icon{width:52px;height:52px;border-radius:14px;background:#e7f1f3;color:var(--primary);display:grid;place-items:center;font-size:1.3rem}.service-card h3{font-size:1.1rem;margin:2px 0 0}.service-card p{font-size:.92rem;margin:0;flex:1}.service-card .card-action{font-weight:700;color:var(--accent);font-size:.92rem}.training-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.training-card img{width:100%;height:230px;object-fit:cover}.training-body{padding:28px}.training-body h3{font-size:1.4rem;margin:0 0 10px}.training-body p{margin:0 0 22px}.contact-section{background:linear-gradient(130deg,#e9f3f3,#f6f9fc);text-align:center}.contact-panel{max-width:850px;margin:auto;padding:clamp(28px,5vw,60px);background:#fff;border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow)}.contact-panel h2{margin:0 0 14px}.contact-panel p{margin:0 auto 26px;max-width:580px}.footer{background:#23394d;color:#e8eef2;padding:35px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.footer a{color:#e8eef2;text-decoration:none}.footer a:hover{color:white;text-decoration:underline}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer p{color:#c7d3dd;font-size:.9rem;margin:0}.arrow-up{position:fixed;right:20px;bottom:20px;width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--primary);color:white;text-decoration:none;box-shadow:var(--shadow);z-index:90;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.arrow-up.visible{opacity:1;pointer-events:auto}.arrow-up:hover{color:white;transform:translateY(-3px)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:960px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-grid{grid-template-columns:1fr}}@media(max-width:700px){.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:white;border-bottom:1px solid var(--border);padding:16px 20px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px 6px}.hero{padding:90px 0}.training-grid,.card-grid{grid-template-columns:1fr}.training-card img{height:210px}.footer-inner{flex-direction:column;align-items:flex-start}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Fotografias de servicios: imagenes en img/ sin subcarpetas */
.service-card:has(.service-image){padding:0;gap:0}
.service-image{width:100%;height:145px;object-fit:cover;display:block;background:#e7f1f3}
.service-card:has(.service-image) .service-icon{margin:22px 24px 10px}
.service-card:has(.service-image) h3{margin:0 24px 10px}
.service-card:has(.service-image) p{margin:0 24px 18px}
.service-card:has(.service-image) .card-action{margin:0 24px 24px}

/* Ajustes finales de fotografias y contacto */
.about-photo{width:100%;height:220px;object-fit:cover;border-radius:12px;margin-bottom:18px}
.contact-section{background:linear-gradient(110deg,rgba(234,244,245,.91),rgba(247,249,252,.9)),url('../img/contacto.jpg') center/cover}