/* ============================================================
   clasesdeinglesenempresa.es — shared design system
   Premium, restrained editorial. Gold accent used sparingly.
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink:#11161C; --body:#41474E; --mid:#767D85; --muted:#A2A8AF;
  --gold:#B8965A; --line:#E7E3DB; --paper:#FBFAF7; --cream:#F4F1EA; --white:#fff;
  --green:#1A7A55;
  --serif:'DM Serif Display',Georgia,serif; --sans:'Plus Jakarta Sans',system-ui,sans-serif;
  --gut:6vw; --max:1180px;
  --r-sm:2px; --r:6px; --r-lg:10px;
}

html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--body);background:var(--paper);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.label{display:block;font-size:.66rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
h1,h2,h3{color:var(--ink)}
h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.12}
h2{font-size:clamp(1.9rem,3.2vw,2.7rem)}
.lead{font-size:1.08rem;color:var(--mid);line-height:1.8}

/* Buttons */
.btn{font-size:.86rem;font-weight:600;letter-spacing:.02em;padding:.95rem 1.7rem;border-radius:var(--r-sm);transition:.2s;display:inline-flex;align-items:center;gap:.6rem;cursor:pointer}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#000}
.btn-ghost{color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{border-color:var(--ink)}
.btn-gold{background:var(--gold);color:#1a140a}.btn-gold:hover{background:#c9a766}

/* Photography (duotone placeholder until a real image <img> is dropped in) */
.photo{position:relative;overflow:hidden;background:linear-gradient(145deg,#222b34,#10151b)}
.photo::before{content:'';position:absolute;inset:0;background:radial-gradient(120% 90% at 25% 18%,rgba(184,150,90,.20),transparent 60%);mix-blend-mode:screen}
.photo .cap{position:absolute;left:1.3rem;bottom:1.1rem;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5);z-index:2}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:1}

/* Nav */
nav{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{font-family:var(--serif);font-size:1.32rem;color:var(--ink)}
.logo em{font-style:italic}
.logo span{font-family:var(--sans);font-size:.6rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-left:.6rem}
.nav-links{display:flex;gap:2.4rem;font-size:.82rem;font-weight:500;color:var(--body)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{font-size:.78rem;font-weight:600;letter-spacing:.02em;color:var(--ink);border:1px solid var(--ink);padding:.7rem 1.3rem;border-radius:var(--r-sm);transition:.2s}
.nav-cta:hover{background:var(--ink);color:#fff}
@media(max-width:820px){.nav-links{display:none}}

/* Hero — split: text left, image right */
.hero{display:grid;grid-template-columns:1fr 1fr;min-height:84vh;align-items:stretch}
.hero-text{display:flex;flex-direction:column;justify-content:center;padding:4.5rem var(--gut);max-width:660px;width:100%;margin-left:auto}
.hero-text .label{margin-bottom:1.4rem}
.hero-text h1{font-size:clamp(2.6rem,4.4vw,4.3rem);max-width:13ch}
.hero-text h1 .g{font-style:italic;color:var(--gold)}
.hero-text p{margin:2rem 0 0;font-size:1.08rem;color:var(--mid);max-width:48ch;line-height:1.8}
.hero-actions{margin-top:2.8rem;display:flex;gap:1rem;flex-wrap:wrap}
.hero-img{min-height:340px}
.hero-img .cap{color:rgba(255,255,255,.55)}
.breadcrumb{font-size:.72rem;letter-spacing:.04em;color:var(--muted);margin-bottom:1.4rem}
.breadcrumb a:hover{color:var(--ink)}
@media(max-width:880px){.hero{grid-template-columns:1fr;min-height:0}.hero-img{min-height:44vh;order:-1}.hero-text{margin:0;padding:3.5rem var(--gut)}}

/* Credibility band */
.cred{background:var(--cream);border-bottom:1px solid var(--line)}
.cred-in{display:grid;grid-template-columns:repeat(3,1fr);max-width:none}
.cred .it{padding:2.6rem 2.5rem;border-right:1px solid var(--border-mid,#D0CCC4)}
.cred .it:first-child{padding-left:0}
.cred .it:last-child{border-right:none;padding-right:0}
.cred .it .n{font-family:var(--serif);font-size:1.55rem;color:var(--ink);line-height:1.1}
.cred .it .t{margin-top:.5rem;font-size:.82rem;color:var(--mid);line-height:1.5;max-width:30ch}
@media(max-width:680px){.cred-in{grid-template-columns:1fr}.cred .it{border-right:none;border-bottom:1px solid var(--line);padding:1.8rem var(--gut)}.cred .it:last-child{border-bottom:none}}

/* Hero proof row — folded into the hero text column (replaces the separate band) */
.hero-proof{display:grid;grid-template-columns:repeat(3,auto);gap:2.2rem;margin-top:2.8rem;padding-top:1.8rem;border-top:1px solid var(--line)}
.hero-proof .hk{display:block;font-family:var(--serif);font-size:.95rem;color:var(--ink);line-height:1.2}
.hero-proof .ht{display:block;margin-top:.3rem;font-size:.72rem;color:var(--mid);line-height:1.4}
@media(max-width:1180px){.hero-proof{gap:1.5rem}}
@media(max-width:560px){.hero-proof{grid-template-columns:1fr 1fr;gap:1.2rem}}

/* Generic section spacing */
.section{padding:6rem 0}
.section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.cream{background:var(--cream)}
.section-head{max-width:640px;margin-bottom:3rem}
.section-head .label{margin-bottom:1.1rem}
.section-head p{margin-top:1.2rem;color:var(--mid)}

/* Sector strip (home) + sector grids */
.sector-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.sector-strip a{background:var(--white);padding:2rem 1.6rem;display:flex;flex-direction:column;gap:.5rem;transition:.2s}
.sector-strip a:hover{background:var(--cream)}
.sector-strip .s-h{font-family:var(--serif);font-size:1.3rem;color:var(--ink)}
.sector-strip .s-t{font-size:.82rem;color:var(--mid);line-height:1.5}
.sector-strip .s-go{margin-top:.4rem;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
@media(max-width:880px){.sector-strip{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.sector-strip{grid-template-columns:1fr}}

/* "What your sector needs" — two-col differentiator list */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:5rem}
.split h2{max-width:16ch}
.split .label{margin-bottom:1.4rem}
.split-photo{margin-top:2.5rem;aspect-ratio:4/5;border-radius:var(--r-sm)}
.diff{display:flex;flex-direction:column}
.diff .row{display:grid;grid-template-columns:2.4rem 1fr;gap:1.2rem;padding:1.7rem 0;border-bottom:1px solid var(--line)}
.diff .row:first-child{padding-top:0}.diff .row:last-child{border-bottom:none}
.diff .ri{font-family:var(--serif);font-style:italic;font-size:1.3rem;color:var(--gold)}
.diff .rt h3{font-family:var(--sans);font-size:1.02rem;font-weight:600;color:var(--ink);margin-bottom:.35rem}
.diff .rt p{font-size:.92rem;color:var(--mid);line-height:1.65}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:2.5rem}.split-photo{max-width:340px}}

/* Card grid (needs / contexts) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:2rem}
.card .rule-line{display:block;width:32px;height:1.5px;background:var(--gold);margin-bottom:1.4rem}
.card h3{font-family:var(--serif);font-size:1.3rem;font-weight:400;margin-bottom:.6rem}
.card p{font-size:.92rem;color:var(--mid);line-height:1.6}
@media(max-width:820px){.cards{grid-template-columns:1fr}}

/* Tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.tier{border:1px solid var(--line);border-radius:var(--r-lg);padding:2.2rem;background:var(--white);display:flex;flex-direction:column}
.tier.feat{background:var(--ink);color:#cfd3d8;border-color:var(--ink)}
.tier.feat h3,.tier.feat .price{color:#fff}
.tier .tname{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.tier h3{font-family:var(--serif);font-size:1.5rem;font-weight:400;margin-bottom:.3rem}
.tier .price{font-family:var(--serif);font-size:2rem;color:var(--ink)}
.tier .price small{font-size:.9rem;color:var(--mid)}
.tier ul{list-style:none;margin:1.4rem 0 0;font-size:.9rem}
.tier li{padding:.55rem 0;border-top:1px solid var(--line);display:flex;gap:.7rem}
.tier.feat li{border-color:#2c3742}
.tier li::before{content:'';width:16px;height:1px;background:var(--gold);margin-top:.65rem;flex:none}
@media(max-width:820px){.tiers{grid-template-columns:1fr}}

/* FUNDAE teaser */
.fundae-teaser{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center}
.fundae-teaser .quote{font-family:var(--serif);font-size:1.5rem;line-height:1.4;color:var(--ink);border-left:2px solid var(--gold);padding-left:1.4rem}
@media(max-width:820px){.fundae-teaser{grid-template-columns:1fr;gap:2rem}}

/* Testimonials */
.voices-h{text-align:center;margin-bottom:3rem}
.voices-h .label{margin-bottom:.9rem}
.vcards{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:2.2rem;display:flex;flex-direction:column;gap:1.4rem}
.vcard q{font-family:var(--serif);font-size:1.25rem;line-height:1.4;color:var(--ink)}
.vperson{display:flex;align-items:center;gap:1rem}
.vavatar{width:48px;height:48px;border-radius:50%;flex:none}
.vperson .vn{font-size:.9rem;font-weight:600;color:var(--ink)}
.vperson .vr{font-size:.78rem;color:var(--mid)}
@media(max-width:760px){.vcards{grid-template-columns:1fr}}

/* FAQ (native accordion) */
.faq{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:1.4rem 0;font-family:var(--serif);font-size:1.18rem;color:var(--ink);display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';color:var(--gold);font-size:1.4rem;font-family:var(--sans)}
.faq-item[open] summary::after{content:'–'}
.faq-item .a{padding:0 0 1.4rem;color:var(--mid);font-size:.95rem;line-height:1.7;max-width:64ch}

/* CTA */
.cta{padding:6.5rem 0;background:var(--ink);text-align:center}
.cta .label{color:var(--gold);margin-bottom:1.6rem}
.cta h2{color:#fff;max-width:18ch;margin:0 auto;font-size:clamp(2rem,4vw,3rem)}
.cta p{color:#9aa0a7;margin:1.4rem auto 2.6rem;max-width:42ch}

/* Footer */
footer{background:#0B0F14;color:#7d848c;padding:3.5rem 0;font-size:.8rem}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2rem;padding-bottom:2rem;border-bottom:1px solid #1b232c;margin-bottom:1.6rem}
.foot-top .logo{color:#fff;font-size:1.2rem}
.foot-cols{display:flex;gap:3.5rem;flex-wrap:wrap}
.foot-col h4{font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.9rem}
.foot-col a{display:block;color:#9aa0a7;padding:.25rem 0}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--muted)}
.foot-bottom a:hover{color:#fff}