/* =============================================================
   Antonio Covarrubias · Portfolio — Editorial Dark Warm
   Marca Content Capital
   ============================================================= */

/* 1. Tokens ---------------------------------------------------- */
:root {
  --ink:      #191316;   /* fondo profundo */
  --surface:  #35292e;   /* superficies / tarjetas */
  --surface-2:#2a2024;   /* tarjetas más oscuras */
  --cream:    #f6f1ef;   /* papel / texto */
  --accent:   #ff4229;   /* coral */
  --accent-2: #ff6a54;
  --malva:    #b0a3a4;   /* texto secundario */
  --line:     rgba(246,241,239,.12);
  --line-2:   rgba(246,241,239,.08);

  --sans: "Archivo", system-ui, -apple-system, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", monospace;

  --gutter: clamp(1.25rem, 5vw, 6rem);
  --maxw: 1240px;
  --radius: 18px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 2. Reset & base --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--cream);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.03; letter-spacing: -0.02em; font-weight: 800; }
ol, ul { list-style: none; }
::selection { background: var(--accent); color: var(--cream); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--cream); color: var(--ink);
  border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* 3. Type helpers --------------------------------------------- */
.eyebrow, .kicker {
  font-family: var(--mono); font-size: .8rem; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.kicker { color: var(--accent); margin-bottom: 1rem; }
.mark-accent { color: var(--accent); }
em { font-style: italic; }

.section-head { max-width: 720px; margin: 0 auto clamp(2.5rem, 6vw, 4rem); text-align: center; }
.section-head h2 { font-size: clamp(2rem, 5.5vw, 3.6rem); margin-bottom: 1rem; }
.section-sub { color: var(--malva); font-size: clamp(1rem, 2vw, 1.15rem); }

/* 4. Buttons -------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.6rem; border-radius: 999px; font-weight: 600;
  font-size: .98rem; letter-spacing: -.01em; line-height: 1;
  transition: transform .35s var(--ease-out), background .35s var(--ease-out), box-shadow .35s var(--ease-out), color .35s var(--ease-out);
  will-change: transform;
}
.btn--accent { background: var(--accent); color: var(--cream); box-shadow: 0 10px 30px -12px rgba(255,66,41,.6); }
.btn--accent:hover { background: var(--accent-2); transform: translateY(-3px); box-shadow: 0 18px 40px -14px rgba(255,66,41,.75); }
.btn--ghost { background: transparent; color: var(--cream); border: 1px solid var(--line); }
.btn--ghost:hover { border-color: var(--cream); transform: translateY(-3px); }
.btn--lg { padding: 1.15rem 2rem; font-size: 1.05rem; }
.btn--sm { padding: .6rem 1.1rem; font-size: .85rem; }

/* 5. Splash (solo con JS; sin JS no aparece y el contenido se ve) ---- */
.splash { display: none; }
.js .splash {
  position: fixed; inset: 0; z-index: 9000; background: var(--ink);
  display: grid; place-items: center;
  transition: opacity .7s var(--ease-out), visibility .7s;
}
.splash.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.splash__mark {
  font-family: var(--mono); font-weight: 600; font-size: clamp(2rem, 8vw, 3.5rem);
  color: var(--cream); letter-spacing: .1em;
  position: relative; padding-bottom: .4rem;
}
.splash__mark::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 0;
  background: var(--accent); animation: splashBar 1.1s var(--ease-out) forwards;
}
@keyframes splashBar { to { width: 100%; } }

/* 6. Nav ------------------------------------------------------ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--gutter);
  transition: background .4s var(--ease-out), padding .4s var(--ease-out), border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(25,19,22,.82); backdrop-filter: blur(14px);
  border-bottom-color: var(--line-2); padding-top: .8rem; padding-bottom: .8rem;
}
.nav__brand { display: flex; align-items: center; gap: .7rem; }
.nav__mark {
  display: grid; place-items: center; width: 36px; height: 36px; flex: none;
  font-family: var(--mono); font-weight: 600; font-size: .95rem;
  background: var(--accent); color: var(--cream); border-radius: 9px;
}
.nav__name { font-weight: 700; font-size: .98rem; letter-spacing: -.01em; }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav__links > a { font-size: .95rem; color: var(--malva); transition: color .3s; }
.nav__links > a:hover { color: var(--cream); }
.nav__cta {
  padding: .55rem 1.1rem; border-radius: 999px; background: var(--accent) !important;
  color: var(--cream) !important; font-weight: 600;
}
.nav__cta:hover { background: var(--accent-2) !important; }
@media (max-width: 640px) { .nav__name { display: none; } .nav__links > a:not(.nav__cta) { display: none; } }

/* 7. Hero ----------------------------------------------------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: clamp(6rem, 12vh, 9rem) var(--gutter) 4rem;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 80% -10%, rgba(255,66,41,.14), transparent 55%),
    radial-gradient(100% 90% at 0% 110%, rgba(53,41,46,.9), transparent 60%),
    var(--ink);
}
.hero__grain {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}
.hero__inner { position: relative; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero .eyebrow { margin-bottom: 1.5rem; }
.hero__title {
  font-size: clamp(2.4rem, 7vw, 5.4rem); font-weight: 900; letter-spacing: -.03em;
  line-height: 1.02; margin-bottom: 1.8rem; max-width: 15ch;
}
.hero__lead { color: var(--malva); font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 54ch; margin-bottom: 2.4rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: clamp(3rem, 7vw, 4.5rem); }
.hero__stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: clamp(1.2rem, 3vw, 2.5rem); max-width: 780px; }
.stat { border-top: 1px solid var(--line); padding-top: 1.1rem; }
.stat__num { display: block; font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 800; letter-spacing: -.03em; color: var(--cream); font-variant-numeric: tabular-nums; }
.stat__label { display: block; margin-top: .5rem; font-size: .82rem; line-height: 1.4; color: var(--malva); }
@media (max-width: 560px) {
  .hero__stats { grid-template-columns: 1fr; gap: 1rem; }
  .stat { display: flex; align-items: baseline; gap: .8rem; padding-top: .8rem; }
  .stat__num { font-size: 1.8rem; }
  .stat__label { margin-top: 0; }
}
.hero__scroll { position: absolute; left: 50%; bottom: 1.8rem; transform: translateX(-50%); width: 26px; height: 42px; border: 1px solid var(--line); border-radius: 999px; display: grid; place-items: start center; padding-top: 7px; }
.hero__scroll span { width: 4px; height: 8px; border-radius: 4px; background: var(--accent); animation: scrollDot 1.6s var(--ease-soft) infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }
@media (max-width: 640px) { .hero__scroll { display: none; } }

/* 8. Section frame -------------------------------------------- */
section { padding: clamp(4.5rem, 11vw, 8rem) var(--gutter); }
.diag, .story, .method, .contact { max-width: var(--maxw); margin: 0 auto; }

/* 9. Diagnóstico ---------------------------------------------- */
.diag { position: relative; }
.diag__card {
  max-width: 820px; margin: 0 auto; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 3rem); box-shadow: 0 40px 80px -50px rgba(0,0,0,.8);
}
.diag__progress { display: flex; gap: .5rem; margin-bottom: 2rem; }
.diag__progress span { height: 4px; flex: 1; border-radius: 4px; background: var(--line); transition: background .4s var(--ease-out); }
.diag__progress span.is-active { background: var(--accent); }
.diag__step { border: 0; padding: 0; display: none; }
.diag__step.is-active { display: block; animation: stepIn .5s var(--ease-out); }
@keyframes stepIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.diag__q { font-size: clamp(1.25rem, 3vw, 1.7rem); font-weight: 800; margin-bottom: 1.4rem; letter-spacing: -.02em; }
.diag__qn { font-family: var(--mono); font-size: .85rem; color: var(--accent); margin-right: .5rem; font-weight: 600; }
.diag__opt-note { font-family: var(--mono); font-size: .72rem; color: var(--malva); font-weight: 400; letter-spacing: .04em; }
.diag__opts { display: grid; gap: .7rem; }
.diag__opt {
  text-align: left; width: 100%; padding: 1.05rem 1.25rem;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 12px; font-size: 1rem; font-weight: 500; color: var(--cream);
  display: flex; align-items: center; gap: .9rem;
  transition: border-color .3s var(--ease-out), background .3s var(--ease-out), transform .3s var(--ease-out);
}
.diag__opt::before {
  content: ""; width: 18px; height: 18px; border-radius: 50%; flex: none;
  border: 2px solid var(--malva); transition: border-color .3s, background .3s, box-shadow .3s;
}
.diag__opt:hover { border-color: var(--accent); transform: translateX(4px); }
.diag__opt.is-selected { border-color: var(--accent); background: rgba(255,66,41,.08); }
.diag__opt.is-selected::before { border-color: var(--accent); background: var(--accent); box-shadow: inset 0 0 0 3px var(--surface-2); }
.diag__nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.8rem; min-height: 42px; }
.diag__hint { font-family: var(--mono); font-size: .78rem; color: var(--malva); letter-spacing: .04em; }

/* Resultado */
.diag__result { animation: stepIn .6s var(--ease-out); }
.diag__result-title { font-size: clamp(1.4rem, 3.5vw, 2rem); margin-bottom: 1rem; }
.diag__result-desc { color: var(--malva); font-size: 1.05rem; margin-bottom: 1.8rem; }
.diag__roadmap { display: grid; gap: .9rem; margin-bottom: 2.2rem; counter-reset: rm; }
.diag__roadmap li {
  position: relative; padding: 1.1rem 1.2rem 1.1rem 3.4rem;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px;
  font-size: .98rem; line-height: 1.5; counter-increment: rm;
}
.diag__roadmap li::before {
  content: counter(rm); position: absolute; left: 1rem; top: 1rem;
  width: 26px; height: 26px; display: grid; place-items: center;
  background: var(--accent); color: var(--cream); border-radius: 50%;
  font-family: var(--mono); font-size: .8rem; font-weight: 600;
}
.diag__cta { border-top: 1px solid var(--line); padding-top: 1.8rem; text-align: center; }
.diag__cta-copy { color: var(--cream); font-size: 1.02rem; margin-bottom: 1.4rem; max-width: 52ch; margin-inline: auto; }
.diag__restart { display: block; margin: 1.2rem auto 0; font-family: var(--mono); font-size: .8rem; color: var(--malva); letter-spacing: .04em; transition: color .3s; }
.diag__restart:hover { color: var(--cream); }

/* 10. Historia ------------------------------------------------ */
.story__grid { display: grid; grid-template-columns: 1.4fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; max-width: 1100px; margin: 0 auto; }
.story__body > p { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: #d9cfcf; margin-bottom: 1.4rem; }
.story__body strong { color: var(--cream); font-weight: 700; }
.pullquote {
  font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 800; line-height: 1.25;
  color: var(--cream); letter-spacing: -.02em; margin: 2rem 0; padding-left: 1.4rem;
  border-left: 3px solid var(--accent);
}
.story__aside { position: sticky; top: 100px; }
.portrait {
  aspect-ratio: 4/5; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(150deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); display: grid; place-items: center; margin-bottom: 1.4rem;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.portrait__ph { text-align: center; color: var(--malva); font-family: var(--mono); font-size: .85rem; letter-spacing: .05em; line-height: 1.6; }
.portrait__ph small { font-size: .7rem; opacity: .7; }
.story__facts { display: grid; gap: .9rem; }
.story__facts li { display: flex; gap: .8rem; align-items: baseline; font-size: .92rem; color: var(--malva); padding-bottom: .9rem; border-bottom: 1px solid var(--line-2); }
.story__facts span { font-weight: 800; color: var(--accent); font-size: 1.05rem; flex: none; min-width: 4.5rem; }
@media (max-width: 860px) { .story__grid { grid-template-columns: 1fr; } .story__aside { position: static; } }

/* 11. Método -------------------------------------------------- */
.method__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.pillar {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.5rem; transition: transform .4s var(--ease-out), border-color .4s, background .4s;
}
.pillar:hover { transform: translateY(-6px); border-color: var(--accent); background: var(--surface-2); }
.pillar__n { font-family: var(--mono); font-size: .9rem; color: var(--accent); font-weight: 600; }
.pillar h3 { font-size: 1.25rem; margin: .9rem 0 .7rem; }
.pillar p { font-size: .92rem; color: var(--malva); line-height: 1.55; }
@media (max-width: 960px) { .method__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .method__grid { grid-template-columns: 1fr; } }

/* 12. Proof band ---------------------------------------------- */
.proof {
  display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(1.5rem, 6vw, 5rem);
  padding: clamp(2.5rem, 5vw, 3.5rem) var(--gutter); background: var(--surface);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.proof__item { text-align: center; }
.proof__item strong { display: block; font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 800; color: var(--cream); letter-spacing: -.02em; }
.proof__item span { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; color: var(--malva); }

/* 13. Contacto ------------------------------------------------ */
.contact { text-align: center; }
.contact__inner { max-width: 680px; margin: 0 auto; }
.contact h2 { font-size: clamp(2rem, 5.5vw, 3.4rem); margin: 1rem 0; }
.contact__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2.2rem; }

/* 14. Footer -------------------------------------------------- */
.footer {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem;
  padding: 2.5rem var(--gutter); border-top: 1px solid var(--line); background: var(--ink);
}
.footer__brand { display: flex; align-items: center; gap: .8rem; }
.footer__brand strong { display: block; font-size: .98rem; }
.footer__brand span { font-family: var(--mono); font-size: .78rem; color: var(--malva); }
.footer__copy { font-size: .82rem; color: var(--malva); }
.footer__top { font-family: var(--mono); font-size: .8rem; color: var(--malva); transition: color .3s; }
.footer__top:hover { color: var(--cream); }

/* 15. Reveal animations (solo con JS; sin JS el contenido se ve intacto) -- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js.is-ready .reveal { will-change: opacity, transform; }

/* 16. Reduced motion (solo lo intrusivo) ---------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__scroll span { animation: none; }
  .splash__mark::after { animation: none; width: 100%; }
  .reveal { transition: opacity .4s ease; transform: none; }
}