/* ============================================================
   Sail Castillo — Prototipo v2 (soñador y creador)
   Estilo: claro, neutro, tono "taller/ingeniero" + animaciones suaves
   ============================================================ */

:root{
  --bg:#F4F4F1;
  --bg-soft:#ECECE7;
  --card:#FFFFFF;
  --ink:#16181A;
  --muted:#5C6267;
  --line:rgba(22,24,26,.13);
  --accent:#C2622A;        /* naranja taller (menos "femenino", más maker) */
  --accent-soft:#F0DED2;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:26px}
.narrow{max-width:840px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.sec-head{max-width:640px;margin-bottom:52px}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:18px;
}
h1,h2,h3{font-weight:800;line-height:1.05;letter-spacing:-.025em}
.h2-xl{font-size:clamp(2rem,4.4vw,3.4rem);margin-bottom:22px}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:62ch}
.hl{color:var(--accent)}
.strike{text-decoration:line-through;text-decoration-color:var(--accent);text-decoration-thickness:3px;color:var(--muted)}
.muted-small{font-size:.85rem;color:var(--muted);margin-top:14px}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;padding:15px 26px;border-radius:12px;
  font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),background .35s var(--ease),color .35s var(--ease),box-shadow .35s var(--ease);}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 14px 30px -12px rgba(22,24,26,.5)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.88rem}
.btn-full{width:100%;justify-content:center}
.link-arrow{display:inline-flex;gap:.5em;align-items:center;font-weight:600;border-bottom:1px solid var(--line);padding-bottom:3px;transition:border-color .3s,gap .3s}
.link-arrow:hover{border-color:var(--accent);gap:.85em}

/* ---------- nav ---------- */
.site-nav{position:fixed;inset:0 0 auto 0;z-index:50;padding:18px 0;
  transition:padding .45s var(--ease),background .45s var(--ease),box-shadow .45s var(--ease);}
.site-nav.scrolled{padding:11px 0;background:rgba(244,244,241,.85);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav-inner{display:flex;align-items:center;gap:28px}
.brand{font-weight:900;letter-spacing:.02em;font-size:1.05rem;font-family:var(--mono)}
.brand span{color:var(--accent)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:.9rem;font-weight:500}
.nav-links a{color:var(--muted);position:relative;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--accent);transition:width .35s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer}
.nav-burger span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding:140px 0 80px}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);filter:saturate(1.18) contrast(1.06);animation:kenburns 22s ease-out forwards}
.hero-veil{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(244,244,241,.95) 0%,rgba(244,244,241,.6) 12%,rgba(244,244,241,0) 26%),
             linear-gradient(97deg,rgba(244,244,241,.995) 0%,rgba(244,244,241,.99) 42%,rgba(244,244,241,.94) 56%,rgba(244,244,241,.62) 72%,rgba(244,244,241,.26) 88%,rgba(244,244,241,.12) 100%);}
.hero-inner{position:relative;z-index:2;max-width:860px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero-photo{border-radius:18px;overflow:hidden;height:min(74vh,640px);box-shadow:0 40px 80px -50px rgba(22,24,26,.6)}
.hero-photo img{width:100%;height:100%;object-fit:cover;transform:scale(1.1);animation:kenburns 20s ease-out forwards}
@keyframes kenburns{to{transform:scale(1)}}
.grid-lines{position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(22,24,26,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(22,24,26,.05) 1px,transparent 1px);
  background-size:72px 72px;mask-image:linear-gradient(120deg,#000,transparent 60%);}
.hero-copy{position:relative}
.hero-title{font-size:clamp(2.6rem,7vw,5rem);line-height:.98;letter-spacing:-.04em}
.hero-title .line{display:block;animation:riseIn 1s var(--ease) both}
.hero-title .line:nth-child(1){animation-delay:.12s}
.hero-title .line:nth-child(2){animation-delay:.24s}
@keyframes riseIn{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
.hero-sub{max-width:58ch;margin-top:28px;font-size:clamp(1.02rem,1.5vw,1.2rem);color:#2C2F31;animation:riseIn 1s var(--ease) .5s both}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;animation:riseIn 1s var(--ease) .65s both}
.hero-stats{display:flex;gap:46px;margin-top:56px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap;animation:riseIn 1s var(--ease) .8s both}
.hero-stats b{display:block;font-family:var(--mono);font-size:1.9rem;font-weight:600}
.hero-stats span{font-size:.8rem;color:#43484C;font-weight:500}
.hero-link{color:var(--ink);font-weight:600;display:inline-flex;gap:.5em;align-items:center;border-bottom:1px solid var(--line);padding-bottom:3px;transition:border-color .3s,gap .3s}
.hero-link:hover{border-color:var(--accent);gap:.85em}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-family:var(--mono);
  font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:#3A3E41;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint span{width:1px;height:38px;background:linear-gradient(var(--accent),transparent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}

/* ---------- marquee ---------- */
.marquee-band{border-block:1px solid var(--line);padding:18px 0;background:var(--bg-soft);overflow:hidden}
.marquee-track{display:flex;gap:26px;white-space:nowrap;animation:slide 30s linear infinite;
  font-family:var(--mono);font-size:.95rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- secciones ---------- */
section{padding:110px 0}
.problem{background:var(--bg)}
.problem-list{list-style:none;margin:38px 0;display:grid;gap:16px}
.problem-list li{position:relative;padding-left:34px;font-size:1.08rem;color:#33373A}
.problem-list li::before{content:"";position:absolute;left:0;top:.62em;width:16px;height:2px;background:var(--accent)}
.kicker{font-size:1.25rem;color:var(--muted)}
.kicker strong{color:var(--ink)}

/* proyectos */
.projects{background:var(--card)}
.cards{display:grid;gap:22px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.proj{display:block;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:28px 26px;
  transition:transform .5s var(--ease),background .5s var(--ease),box-shadow .5s var(--ease)}
.proj:hover{transform:translateY(-8px);background:var(--card);box-shadow:0 30px 60px -34px rgba(22,24,26,.45)}
.proj-link{display:inline-flex;gap:.45em;align-items:center;margin-top:18px;font-family:var(--mono);font-size:.76rem;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:600}
.proj:hover .proj-link .arr{transform:translateX(3px)}
.proj-link .arr{transition:transform .35s var(--ease)}
.tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:4px 10px;border-radius:6px;display:inline-block}
.proj h3{font-size:1.15rem;margin:16px 0 10px}
.proj p{font-size:.94rem;color:var(--muted)}

/* hobbies */
.hobbies{background:var(--bg-soft)}
.hobbies-media{border-radius:16px;overflow:hidden}
.hobbies-media img{aspect-ratio:4/3;object-fit:cover;transition:transform 1.2s var(--ease)}
.hobbies-media:hover img{transform:scale(1.05)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{background:var(--card);border:1px solid var(--line);border-radius:100px;padding:9px 16px;font-size:.9rem;font-weight:500;
  transition:transform .35s var(--ease),border-color .35s var(--ease)}
.chip:hover{transform:translateY(-3px);border-color:var(--accent)}
.chip-star{background:var(--accent-soft);border-color:transparent;color:#7A3C15;font-weight:600}

/* laboratorio */
.lab{background:var(--bg)}
.lab-inner{max-width:780px}
.lab-inner .btn{margin-top:34px}

/* construyamos */
.build{background:var(--card)}
.build-list{list-style:none;margin-top:26px;display:grid;gap:14px;font-size:1.05rem;color:#33373A}
.build-cta{display:flex;flex-direction:column;align-items:stretch;gap:14px}
.chat-btns{display:flex;flex-direction:column;gap:14px}
.btn-chat{justify-content:center;font-size:1rem;padding:18px 24px;border-radius:14px}
.btn-chat svg{width:19px;height:19px;fill:currentColor;flex:none}
.form-note{font-size:.8rem;color:var(--muted);text-align:center}

/* blog */
.blog{background:var(--bg)}
.post{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.post:hover{transform:translateY(-8px);box-shadow:0 30px 60px -34px rgba(22,24,26,.45)}
.post-fig{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);margin:0}
.post-fig img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.post:hover .post-fig img{transform:scale(1.06)}
.post-body{padding:20px 22px 24px}
.post-tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:12px}
.post h3{font-size:1.05rem;line-height:1.3;margin-bottom:16px}
#blog-cards .post{animation:riseIn .7s var(--ease) both}
#blog-cards .post:nth-child(2){animation-delay:.1s}
#blog-cards .post:nth-child(3){animation-delay:.2s}

/* cta */
.cta{background:var(--card);text-align:center}
.cta .narrow{margin-inline:auto;display:flex;flex-direction:column;align-items:center}
.cta .hero-cta{justify-content:center;animation:none}

/* footer */
.site-footer{background:var(--ink);color:#EDEAE3;padding:70px 0 40px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
.brand-foot{font-family:var(--mono);font-weight:600;font-size:1.2rem;letter-spacing:.05em}
.foot-note{color:#A8A399;font-size:.9rem;margin-top:10px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;align-self:center;font-size:.9rem}
.foot-links a{color:#C9C4B9;transition:color .3s}
.foot-links a:hover{color:#fff}
.foot-legal{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;margin-top:16px;font-size:.78rem;color:#8B867C}

/* badge prototipo */
.proto-badge{position:fixed;left:14px;bottom:14px;z-index:60;background:var(--accent);color:#fff;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.04em;padding:7px 12px;border-radius:100px;font-weight:500;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}

/* animación de aparición (solo si hay JS: mejora progresiva) */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:120px 0 70px}
  .hero-photo{height:320px;order:2}
  .grid-2{grid-template-columns:1fr;gap:40px}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .nav-burger{display:flex;margin-left:auto}
  .hero-stats{gap:30px}
}
@media(max-width:600px){
  section{padding:78px 0}
  .cards-3{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .proto-badge{font-size:.6rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal,.js .reveal{opacity:1;transform:none}
}