/* ═══════════════════════════════════════════════════════════════
   HERLLES — Sistema visual 2026
   Tinta · Papel · Cobre  — editorial industrial, sobrio y preciso
   ═══════════════════════════════════════════════════════════════ */

/* ---------- Fuentes locales ---------- */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500 700;font-display:swap;src:url('assets/fonts/SpaceGrotesk-500.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 600;font-display:swap;src:url('assets/fonts/Inter-400.woff2') format('woff2');}

/* ---------- Tokens ---------- */
:root{
  --ink:        oklch(0.185 0.018 265);   /* #12151E aprox — tinta azul-negra */
  --ink-2:      oklch(0.24 0.02 265);     /* superficie elevada sobre tinta   */
  --ink-footer: oklch(0.16 0.016 265);
  --paper:      oklch(0.977 0.002 260);   /* #F7F8FA — papel frío, chroma ~0  */
  --surface:    #ffffff;
  --text:       oklch(0.26 0.015 262);    /* cuerpo sobre papel — ≥ 10:1      */
  --text-2:     oklch(0.45 0.015 262);    /* secundario sobre papel — ≥ 5:1   */
  --inv:        oklch(0.95 0.004 260);    /* texto sobre tinta                */
  --inv-2:      oklch(0.75 0.012 262);    /* secundario sobre tinta — ≥ 5:1   */
  --copper:        oklch(0.60 0.11 55);   /* cobre — detalles sobre tinta     */
  --copper-strong: oklch(0.50 0.115 52);  /* cobre profundo — botones (AA)    */
  --copper-deep:   oklch(0.45 0.11 50);   /* cobre texto sobre papel (AA)     */
  --line:       oklch(0.90 0.005 262);
  --line-inv:   oklch(1 0 0 / .14);
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap: 1120px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --r: 14px;
  /* escala z semántica */
  --z-header: 50;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:var(--font-body);
  font-size:1.0625rem; line-height:1.65;
  color:var(--text); background:var(--paper);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--copper-deep);text-underline-offset:3px}
a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:2px solid var(--copper-deep);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}

h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.12;letter-spacing:-0.02em;text-wrap:balance;color:inherit}
strong{font-weight:600}
h1{font-size:clamp(2.35rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:.6em}
h3{font-size:1.17rem;line-height:1.3}
p{text-wrap:pretty}
section{padding-block:clamp(72px,10vw,128px)}
.section-lede{font-size:1.15rem;color:var(--text-2);max-width:58ch;margin-bottom:clamp(36px,5vw,56px)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-display);font-weight:500;font-size:1rem;
  padding:.85em 1.6em;border-radius:10px;text-decoration:none;
  transition:transform 160ms var(--ease-out), background-color 180ms ease, border-color 180ms ease;
  border:1.5px solid transparent; cursor:pointer;
}
.btn:active{transform:scale(0.97)}
.btn-primary{background:var(--copper-strong);color:#fff}
.btn-ghost{border-color:var(--line-inv);color:var(--inv)}
.pains .btn-ghost,.clients .btn-ghost,.process .btn-ghost{border-color:var(--line);color:var(--text)}
.btn-header{background:var(--ink);color:var(--inv);padding:.6em 1.2em;font-size:.95rem}
@media (hover:hover) and (pointer:fine){
  .btn-primary:hover{background:oklch(0.45 0.115 52)}
  .btn-ghost:hover{border-color:var(--copper)}
  .btn-header:hover{background:var(--ink-2)}
  .nav a:hover{color:var(--copper-deep)}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:var(--z-header);
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color 200ms ease, box-shadow 200ms ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 oklch(0 0 0/.02)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand img{width:132px;height:auto}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--text);text-decoration:none;font-size:.98rem;transition:color 150ms ease}
@media (max-width:840px){.nav{display:none}.btn-header{margin-left:auto}}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--inv);
  padding-block:clamp(88px,12vw,150px);
}
.hero-inner{position:relative;max-width:780px;margin-inline:0;padding-inline:clamp(20px,4vw,40px)}
@media (min-width:1200px){.hero-inner{margin-left:calc((100vw - var(--wrap))/2)}}
.hero-kicker{
  font-family:var(--font-display);font-size:.95rem;color:var(--copper);
  margin-bottom:22px;
}
.hero h1{color:#fff;margin-bottom:26px;max-width:16ch}
.hero-sub{font-size:1.18rem;color:var(--inv-2);max-width:56ch;margin-bottom:38px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:44px;
  font-size:.92rem;color:var(--inv-2);
}
.hero-trust span{display:inline-flex;align-items:center;gap:.55em}
.hero-trust span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--copper);flex:none}
.hero-mark{
  position:absolute;right:-60px;top:50%;
  width:clamp(280px,32vw,470px);height:auto;
  transform:translateY(-50%);
  opacity:.055;pointer-events:none;user-select:none;
}
@media (max-width:720px){.hero-mark{right:-120px;opacity:.045}}

/* ---------- Situaciones (dolores) ---------- */
.pains h2{max-width:22ch}
.pain-list{margin-top:clamp(30px,4vw,48px)}
.pain{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px 56px;
  padding-block:34px;border-top:1px solid var(--line);
}
.pain:last-child{border-bottom:1px solid var(--line)}
.pain h3{font-size:clamp(1.25rem,2.2vw,1.55rem);color:var(--ink)}
.pain p{color:var(--text-2)}
@media (max-width:760px){.pain{grid-template-columns:1fr;gap:10px}}

/* ---------- Soluciones (bento asimétrico) ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sol{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(26px,3vw,38px);
}
.sol-wide{grid-column:span 2}
.sol-dark{grid-column:span 2;background:var(--ink);border-color:var(--ink);color:var(--inv)}
.sol h3{margin-bottom:12px;color:var(--ink);font-size:1.35rem}
.sol p{color:var(--text-2)}
.sol p+p{margin-top:12px}
.sol-note{font-size:.95rem;color:var(--copper-deep)}
.sol.sol-dark h3{color:#fff}
.sol.sol-dark p{color:var(--inv-2)}
.sol.sol-dark strong{color:var(--inv)}
.sol.sol-dark .sol-note{color:var(--copper)}
.sol.sol-dark .sol-note a{color:var(--copper)}
@media (max-width:900px){.sol-grid{grid-template-columns:1fr 1fr}.sol-wide,.sol-dark{grid-column:span 2}}
@media (max-width:640px){.sol-grid{grid-template-columns:1fr}.sol-wide,.sol-dark{grid-column:auto}}

/* ---------- OptyFab / prueba viva ---------- */
.proof{background:var(--ink);color:var(--inv)}
.proof h2{color:#fff;max-width:24ch}
.proof h2 em{font-style:normal;color:var(--copper)}
.proof .section-lede{color:var(--inv-2)}
.proof .section-lede a{color:var(--inv);text-decoration-color:var(--copper)}
.shot-main{
  border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line-inv);
  background:var(--ink-2);
  box-shadow:0 30px 80px -30px oklch(0 0 0/.55);
}
.shot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.shot-row figure{border-radius:10px;overflow:hidden;border:1px solid var(--line-inv);background:var(--ink-2)}
.shot-row figcaption{font-size:.85rem;color:var(--inv-2);padding:10px 14px;border-top:1px solid var(--line-inv)}
@media (max-width:720px){.shot-row{grid-template-columns:1fr}}
.proof-points{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:clamp(36px,5vw,56px)}
.point h3{color:#fff;margin-bottom:8px;position:relative;padding-top:16px}
.point h3::before{content:"";position:absolute;top:0;left:0;width:34px;height:2px;background:var(--copper)}
.point p{color:var(--inv-2);font-size:.99rem}
.proof-cta{margin-top:clamp(36px,5vw,52px)}
@media (max-width:760px){.proof-points{grid-template-columns:1fr;gap:26px}}

/* ---------- Clientes ---------- */
.clients{background:var(--surface)}
.client-marks{display:flex;flex-wrap:wrap;gap:20px 64px;margin:34px 0 clamp(40px,5vw,60px)}
.mark{
  font-family:var(--font-display);font-size:1.28rem;letter-spacing:.06em;color:var(--ink);
  display:flex;flex-direction:column;gap:4px;
}
.mark small{font-family:var(--font-body);font-size:.85rem;letter-spacing:0;color:var(--text-2)}
.quotes{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,56px)}
.quotes blockquote{border-top:2px solid var(--ink);padding-top:24px}
.quotes p{font-size:clamp(1.1rem,1.8vw,1.3rem);line-height:1.5;color:var(--text)}
.quotes cite{display:block;margin-top:16px;font-style:normal;font-size:.95rem;color:var(--text-2)}
@media (max-width:760px){.quotes{grid-template-columns:1fr}}

/* ---------- Proceso ---------- */
.steps{list-style:none;counter-reset:paso;max-width:760px}
.steps li{
  counter-increment:paso;position:relative;
  padding:26px 0 26px 84px;border-top:1px solid var(--line);
}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{
  content:counter(paso,decimal-leading-zero);
  position:absolute;left:0;top:24px;
  font-family:var(--font-display);font-size:1.5rem;color:var(--copper-deep);
}
.steps h3{margin-bottom:6px;color:var(--ink)}
.steps p{color:var(--text-2)}
.ownership{
  margin-top:clamp(40px,5vw,60px);
  background:var(--ink);color:var(--inv);border-radius:var(--r);
  padding:clamp(30px,4vw,46px);max-width:760px;
}
.ownership h3{color:#fff;margin-bottom:12px}
.ownership p{color:var(--inv-2)}
.ownership strong{color:var(--copper)}

/* ---------- Seguridad ---------- */
.security{background:var(--surface)}
.sec-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(28px,4vw,44px) clamp(36px,5vw,72px);max-width:980px}
.sec-list h3{color:var(--ink);margin-bottom:6px;position:relative;padding-top:14px}
.sec-list h3::before{content:"";position:absolute;top:0;left:0;width:34px;height:2px;background:var(--copper-deep)}
.sec-list p{color:var(--text-2);font-size:.99rem}
@media (max-width:680px){.sec-list{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;position:relative;
  font-family:var(--font-display);font-weight:500;font-size:1.08rem;color:var(--ink);
  padding:20px 44px 20px 0;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-size:1.5rem;color:var(--copper-deep);
  transition:transform 200ms var(--ease-out);
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 0 22px;color:var(--text-2);max-width:64ch}

/* ---------- CTA final ---------- */
.final-cta{background:var(--ink);color:var(--inv);text-align:left}
.final-cta h2{color:#fff;max-width:20ch}
.final-cta p{color:var(--inv-2);max-width:54ch;margin-bottom:34px;font-size:1.12rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-footer);color:var(--inv-2);padding-top:64px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px}
.f-brand img{width:118px;margin-bottom:16px}
.f-brand p{font-size:.95rem}
.f-col h3{font-family:var(--font-display);font-weight:500;color:var(--inv);font-size:.95rem;margin-bottom:10px}
.f-col p{font-size:.95rem;line-height:1.8}
.f-col a{color:var(--inv-2)}
@media (hover:hover) and (pointer:fine){.f-col a:hover{color:var(--copper)}}
.f-legal{border-top:1px solid var(--line-inv);padding-block:22px}
.f-legal p{font-size:.85rem}
@media (max-width:720px){.footer-inner{grid-template-columns:1fr;gap:28px}}

/* ---------- Motion: reveals (solo con JS activo; contenido visible por defecto) ---------- */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity 520ms var(--ease-out),transform 520ms var(--ease-out)}
.js .reveal.in{opacity:1;transform:none}
.js .proof-points .point:nth-child(2),.js .sec-list li:nth-child(2){transition-delay:60ms}
.js .proof-points .point:nth-child(3),.js .sec-list li:nth-child(3){transition-delay:120ms}
.js .sec-list li:nth-child(4){transition-delay:180ms}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{transform:none;transition:opacity 200ms ease}
  .btn:active{transform:none}
}