:root{
  --deep:#041C24;
  --petrol:#07303B;
  --petrol-2:#0C4251;
  --teal:#1593AE;
  --cyan:#35C6E0;
  --paper:#F2F7F8;
  --white:#FFFFFF;
  --ink:#0C1F26;
  --muted:#4E6872;
  --amber:#F5A524;
  --line:#CFE0E5;
  --font-display:"Chakra Petch",system-ui,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(20px,5vw,72px);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
h1,h2,h3{font-family:var(--font-display);line-height:1.08;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:700}
h3{font-size:1.35rem;font-weight:600}
p{max-width:62ch}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:600;font-size:1rem;text-decoration:none;padding:.9rem 1.5rem;border-radius:6px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s,border-color .15s}
.btn-amber{background:var(--amber);color:var(--deep)}
.btn-amber:hover{background:#ffb93d;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:var(--white)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-dark{background:var(--petrol);color:var(--white)}
.btn-dark:hover{background:var(--petrol-2)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px}
.brand{display:flex;align-items:center}
.brand img{height:54px;width:auto}
.brand-fallback{font-family:var(--font-display);font-weight:700;color:var(--teal);letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-family:var(--font-display);font-weight:500;text-decoration:none;color:var(--petrol);font-size:.98rem}
.nav a:not(.btn):hover,.nav a.on{color:var(--teal)}
.nav a.btn{color:#fff}
.nav a.btn:hover{color:#fff}
.nav .btn{padding:.6rem 1.1rem;font-size:.95rem}
@media(max-width:860px){.nav{gap:16px}.nav a.hide-m{display:none}.brand img{height:44px}}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--deep);color:var(--white);overflow:hidden;isolation:isolate}
.hero-board{position:absolute;inset:0;z-index:-1;width:100%;height:100%;opacity:.9}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);align-items:center;padding-block:clamp(56px,9vw,120px)}
.hero h1{font-size:clamp(2.4rem,5.8vw,4.4rem);font-weight:700;letter-spacing:-.02em}
.hero h1 span{display:block;color:var(--cyan)}
.hero .lead{margin-top:22px;font-size:1.15rem;color:#C5DCE2;max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px 26px;color:#9FC0C9;font-size:.95rem}
.hero-meta li{list-style:none;display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:8px;height:8px;background:var(--cyan);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}

.bench{background:rgba(4,28,36,.82);border:1px solid rgba(53,198,224,.35);border-radius:10px;padding:22px;backdrop-filter:blur(4px);box-shadow:0 0 0 1px rgba(0,0,0,.4),0 24px 60px rgba(0,0,0,.45)}
.bench-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:.78rem;color:#8FB4BE;margin-bottom:16px}
.bench-top b{color:var(--amber);font-weight:500}
.readout{background:#021419;border:1px solid #0E3A46;border-radius:8px;padding:18px 20px;font-family:var(--font-mono)}
.readout small{color:#6F98A3;font-size:.74rem;display:block}
.readout .val{font-size:clamp(2.2rem,5vw,3.2rem);color:var(--cyan);line-height:1.1;margin:4px 0 2px;font-weight:500;letter-spacing:.02em}
.readout .val em{font-style:normal;font-size:.5em;color:#6F98A3;margin-left:6px}
.readout .val.fault{color:var(--amber)}
.bench-log{margin-top:16px;display:grid;gap:10px;font-size:.92rem;color:#C5DCE2}
.bench-log div{display:flex;gap:10px;align-items:flex-start}
.bench-log i{flex:none;width:9px;height:9px;margin-top:8px;border-radius:50%;background:var(--teal)}
.bench-log .hot i{background:var(--amber);box-shadow:0 0 10px var(--amber)}

.trace{stroke:#17667A;stroke-width:2;fill:none;stroke-linecap:round}
.pulse{stroke:var(--cyan);stroke-width:3;fill:none;stroke-linecap:round;stroke-dasharray:60 900;stroke-dashoffset:960;animation:run 5.5s linear infinite}
.pulse.p2{animation-delay:-1.8s;animation-duration:7s}
.pulse.p3{animation-delay:-3.6s;animation-duration:6.2s}
@keyframes run{to{stroke-dashoffset:0}}
.pad{fill:#0E5163}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* ---------- sections ---------- */
section{padding-block:clamp(60px,9vw,110px)}
.section-head{margin-bottom:clamp(30px,5vw,56px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:1.08rem}
.dark{background:var(--petrol);color:var(--white)}
.dark .section-head p{color:#A9C7CF}

/* ---------- cursos ---------- */
.courses{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.course{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.course-head{padding:28px 28px 22px;color:var(--white);position:relative}
.course.android .course-head{background:linear-gradient(135deg,#0C6E5F,#12A38B)}
.course.iphone .course-head{background:linear-gradient(135deg,#07303B,#1593AE)}
.course-head .tag{display:inline-block;font-family:var(--font-mono);font-size:.76rem;background:rgba(0,0,0,.28);padding:4px 10px;border-radius:99px;margin-bottom:14px}
.course-head h3{font-size:1.9rem}
.course-head p{margin-top:8px;color:rgba(255,255,255,.88)}
.course-body{padding:24px 28px 28px;display:flex;flex-direction:column;gap:20px;flex:1}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;text-align:left}
.facts div{border-left:3px solid var(--teal);padding-left:12px}
.facts strong{display:block;font-family:var(--font-display);font-size:1.15rem}
.facts span{font-size:.85rem;color:var(--muted)}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:14px 0;font-weight:600;display:flex;justify-content:space-between;gap:12px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--font-mono);font-size:1.3rem;color:var(--teal);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 16px;color:var(--muted);font-size:.97rem}
.course .btn{margin-top:auto;justify-content:center}

@media(max-width:900px){.courses{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:480px){.facts{grid-template-columns:1fr}}

/* ---------- fallas ---------- */
.faults{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px)}
.faults h3{color:var(--cyan);margin-bottom:6px;padding-bottom:14px;border-bottom:2px solid var(--teal)}
.faults ul{list-style:none}
.faults li{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);display:grid;gap:2px}
.faults li strong{font-family:var(--font-display);font-size:1.12rem;font-weight:600}
.faults li span{color:#A9C7CF;font-size:.95rem}
@media(max-width:800px){.faults{grid-template-columns:1fr}}

/* ---------- método ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;position:relative}
.step{padding:0 22px 0 0;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:46px;height:52px;background:var(--petrol);color:var(--cyan);font-family:var(--font-display);font-weight:700;font-size:1.25rem;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);margin-bottom:18px}
.step::after{content:"";position:absolute;top:26px;left:56px;right:10px;height:2px;background:var(--line)}
.step:last-child::after{display:none}
.step h3{font-size:1.2rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.97rem}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:36px}.step::after{display:none}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- requisitos ---------- */
.reqs{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:start}
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{display:flex;gap:14px;align-items:flex-start;background:var(--white);border:1px solid var(--line);padding:16px 18px;border-radius:8px}
.checklist svg{flex:none;width:22px;height:22px;margin-top:2px;color:var(--teal)}
.notice{background:var(--petrol);color:var(--white);border-radius:12px;padding:30px}
.notice h3{color:var(--amber);margin-bottom:12px}
.notice p{color:#C5DCE2}
.notice p+p{margin-top:12px}
@media(max-width:860px){.reqs{grid-template-columns:1fr}}

/* ---------- equipamiento ---------- */
.gear{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:2px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:10px;overflow:hidden}
.gear div{background:var(--petrol);padding:24px}
.gear h3{font-size:1.1rem;margin-bottom:6px;color:var(--white)}
.gear p{color:#A9C7CF;font-size:.94rem}

/* ---------- faq ---------- */
.faq{max-width:820px}
.faq summary{font-family:var(--font-display);font-size:1.15rem}

/* ---------- contacto ---------- */
.contact{background:var(--deep);color:var(--white);position:relative;overflow:hidden}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,6vw,80px);align-items:start}
.contact h2 span{color:var(--cyan)}
.contact .lead{margin-top:16px;color:#A9C7CF}
.info{margin-top:30px;display:grid;gap:14px;list-style:none}
.info li{display:flex;gap:12px;align-items:flex-start;color:#C5DCE2}
.info svg{flex:none;width:22px;height:22px;color:var(--cyan);margin-top:2px}
form{background:var(--white);color:var(--ink);border-radius:12px;padding:clamp(22px,4vw,36px);display:grid;gap:18px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-weight:600;font-size:.93rem}
input,select,textarea{font:inherit;font-weight:400;padding:.8rem .9rem;border:1.5px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px rgba(21,147,174,.25)}
textarea{min-height:92px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted)}
@media(max-width:860px){.contact .wrap{grid-template-columns:1fr}.row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer{background:#02121A;color:#8FB4BE;padding-block:36px;font-size:.92rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.foot-logo{background:var(--white);padding:8px 14px;border-radius:6px}
.foot-logo img{height:34px;width:auto}
footer a{text-decoration:none;color:var(--cyan)}
footer a:hover{text-decoration:underline}

.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;background:#25D366;color:#062a14;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.35);transition:transform .15s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pulse{animation:none;stroke-dasharray:none;stroke-dashoffset:0;opacity:.35}
  *{transition:none!important}
}

/* ---------- fotos ---------- */
.hero-photo{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;opacity:.32}
.ph{display:grid;place-items:center;text-align:center;border:2px dashed #7FB8C6;background:rgba(53,198,224,.08);color:#5E8794;border-radius:10px;padding:20px;font-size:.9rem;min-height:180px}
.ph a{color:var(--teal);font-weight:600}
.photo{width:100%;height:100%;object-fit:cover;border-radius:10px}

/* ---------- resumen de cursos en el home ---------- */
.cc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.cc{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.cc-cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--petrol),var(--teal));position:relative;overflow:hidden}
.cc-cover .photo,.cc-cover .ph{border-radius:0;height:100%}
.cc.android .cc-cover{background:linear-gradient(135deg,#0C6E5F,#12A38B)}
.cc-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.cc-body .tag{align-self:flex-start;font-family:var(--font-mono);font-size:.76rem;background:#E3EEF1;color:var(--petrol);padding:4px 10px;border-radius:99px}
.cc-body ul{list-style:none;display:grid;gap:8px}
.cc-body li{display:flex;gap:10px;align-items:flex-start}
.cc-body li::before{content:"";flex:none;width:9px;height:9px;margin-top:9px;background:var(--teal);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.cc-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
@media(max-width:900px){.cc-grid{grid-template-columns:1fr}}

/* ---------- galería ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:220px;gap:14px}
.gallery>*{border-radius:10px;overflow:hidden;min-height:0}
.gallery>*:nth-child(1){grid-column:span 2;grid-row:span 2}
.gallery>*:nth-child(4){grid-column:span 2}
@media(max-width:700px){.gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px}.gallery>*:nth-child(1){grid-column:span 2}.gallery>*:nth-child(4){grid-column:span 1}}

/* ---------- página de cursos ---------- */
.page-hero{background:var(--deep);color:#fff;padding-block:clamp(44px,7vw,84px);position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700}
.page-hero p{margin-top:16px;color:#C5DCE2;font-size:1.12rem;max-width:56ch}
.jump{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.course-page{padding-block:clamp(48px,7vw,88px)}
.course-page+.course-page{border-top:1px solid var(--line)}
.course-page:nth-of-type(even){background:var(--white)}
.cp-top{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,56px);align-items:center;margin-bottom:44px}
.cp-top .tag{display:inline-block;font-family:var(--font-mono);font-size:.78rem;background:#E3EEF1;color:var(--petrol);padding:4px 12px;border-radius:99px;margin-bottom:14px}
.cp-top h2{margin-bottom:14px}
.cp-top p{color:var(--muted);font-size:1.08rem}
.cp-cover{aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,var(--petrol),var(--teal))}
.cp-cover .photo,.cp-cover .ph{height:100%;border-radius:0}
.course-page.android .cp-cover{background:linear-gradient(135deg,#0C6E5F,#12A38B)}
.facts-row{display:flex;gap:28px;flex-wrap:wrap;margin:22px 0}
.facts-row div{border-left:3px solid var(--teal);padding-left:12px}
.facts-row strong{display:block;font-family:var(--font-display);font-size:1.2rem}
.facts-row span{font-size:.88rem;color:var(--muted)}
.cp-cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,56px);margin-bottom:40px}
.cp-cols h3{margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--teal)}
.tick{list-style:none;display:grid;gap:12px}
.tick li{display:flex;gap:12px;align-items:flex-start}
.tick li::before{content:"";flex:none;width:9px;height:9px;margin-top:9px;background:var(--teal);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.syllabus{list-style:none;counter-reset:l;display:grid;grid-template-columns:1fr 1fr;gap:10px 28px;margin-bottom:40px}
.syllabus li{counter-increment:l;display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line)}
.syllabus li::before{content:counter(l);flex:none;display:grid;place-items:center;width:34px;height:38px;background:var(--petrol);color:var(--cyan);font-family:var(--font-display);font-weight:700;font-size:.95rem;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.cta-band{background:var(--petrol);color:#fff;border-radius:12px;padding:clamp(24px,4vw,40px);display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.cta-band h3{font-size:1.5rem}
.cta-band p{color:#A9C7CF;margin-top:6px}
@media(max-width:860px){.cp-top,.cp-cols,.syllabus{grid-template-columns:1fr}}