/* ==========================================================================
   Sociedad y Desarrollo 2008 — hoja de estilos
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --cream:        #F7F3EA;
  --cream-deep:   #F0E9D8;
  --panel:        #FBF8F1;
  --ink:          #211C14;
  --ink-soft:     #4A4335;
  --taupe:        #766C5A;
  --hairline:     #E3D9C2;
  --gold:         #B98A2E;
  --gold-deep:    #8F6A20;
  --gold-pale:    #E4C77E;

  --serif: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --sans:  "Inter", -apple-system, "Segoe UI", sans-serif;

  --maxw: 1180px;
  --radius: 2px;
}

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

html{
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- focus ---- */
a:focus-visible,
button:focus-visible{
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

/* ---- kicker / eyebrow ---- */
.kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.kicker::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold-deep);
  display: inline-block;
}

/* ---- headings ---- */
h1, h2, h3{
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.section-head{
  max-width: 640px;
  margin-bottom: 44px;
}
.section-head h2{
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  margin-top: 14px;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 243, 234, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand{
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
}
.brand small{
  font-family: var(--sans);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
  background: var(--gold-pale);
  padding: 2px 6px;
  border-radius: var(--radius);
}

.main-nav{
  display: flex;
  align-items: center;
  gap: 34px;
}
.main-nav a{
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
}
.main-nav a::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--gold-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.main-nav a:hover::after{ transform: scaleX(1); }
.main-nav a:hover{ color: var(--ink); }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
}
.btn-gold{
  background: var(--ink);
  color: var(--cream);
}
.btn-gold:hover{ background: var(--gold-deep); transform: translateY(-1px); }
.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--cream); }
.btn-line{
  background: transparent;
  color: var(--ink);
  padding: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-weight: 500;
}
.btn-line:hover{ color: var(--gold-deep); border-color: var(--gold-deep); }

.nav-toggle{
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span{
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform .25s ease, opacity .25s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  padding: 96px 0 84px;
  position: relative;
  overflow: clip;
}
.hero .wrap{
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 64px;
  align-items: end;
}
.hero h1{
  font-size: clamp(38px, 5.6vw, 66px);
  line-height: 1.06;
  margin-top: 22px;
  max-width: 15ch;
}
.hero .lede{
  margin-top: 26px;
  max-width: 46ch;
  font-size: 17px;
  color: var(--ink-soft);
}
.hero-cta{
  display: flex;
  gap: 16px;
  margin-top: 38px;
  flex-wrap: wrap;
}

.hero-meta{
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.meta-card{
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
}
.meta-card .kicker{ margin-bottom: 8px; }
.meta-card p{
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  color: var(--ink);
}

/* ==========================================================================
   Filosofía — signature section
   ========================================================================== */
.philosophy{
  background: var(--ink);
  color: var(--cream);
  padding: 128px 0;
  position: relative;
}
.philosophy .wrap{
  max-width: 900px;
  text-align: center;
}
.philosophy .kicker{ color: var(--gold-pale); justify-content: center; }
.philosophy .kicker::before{ background: var(--gold-pale); }
.philosophy blockquote{
  margin: 26px 0 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.28;
  color: #EDE6D3;
}
.philosophy blockquote em{
  font-style: italic;
  color: var(--gold-pale);
  font-weight: 500;
}

/* ==========================================================================
   Alianzas
   ========================================================================== */
.alliances{
  padding: 76px 0;
  border-bottom: 1px solid var(--hairline);
}
.alliances .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.alliances .kicker{ margin-bottom: 6px; }
.alliances p{
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  max-width: 40ch;
}
.alliances .tag{
  font-size: 13px;
  color: var(--taupe);
  border: 1px solid var(--hairline);
  padding: 10px 16px;
  border-radius: var(--radius);
}

/* ==========================================================================
   Generic section spacing
   ========================================================================== */
section{ padding: 92px 0; }

/* ---- historia ---- */
.history .wrap{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
.history p{
  color: var(--ink-soft);
  font-size: 16.5px;
  max-width: 52ch;
}
.history .since{
  font-family: var(--serif);
  font-size: clamp(72px, 9vw, 128px);
  line-height: 0.9;
  color: var(--cream-deep);
  -webkit-text-stroke: 1.5px var(--gold);
  color: transparent;
}

/* ---- áreas de actuación ---- */
.areas{ background: var(--cream-deep); }
.areas-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.area-card{
  background: var(--panel);
  padding: 34px 26px;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background .2s ease;
}
.area-card:hover{ background: var(--panel); }
.area-card .num{
  font-family: var(--serif);
  font-size: 13px;
  color: var(--gold-deep);
  letter-spacing: 0.08em;
}
.area-card h3{
  font-size: 21px;
  margin-top: 30px;
  font-weight: 500;
}

/* ---- súmate ---- */
.sumate .section-head{ max-width: 700px; }
.sumate-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.sumate-card{
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 210px;
}
.sumate-card h3{
  font-size: 19px;
  font-weight: 500;
}
.sumate-card p{
  margin: 0;
  color: var(--taupe);
  font-size: 14.5px;
  flex-grow: 1;
}

/* ---- editorial / próximamente ---- */
.editorial{ border-top: 1px solid var(--hairline); }
.editorial-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.soon-card{
  border: 1px dashed var(--hairline);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: var(--panel);
}
.soon-card .kicker{ margin-bottom: 12px; }
.soon-card h3{
  font-size: 17.5px;
  font-weight: 500;
  line-height: 1.35;
}
.soon-card p{
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--taupe);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--hairline);
  padding: 72px 0 34px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.footer-brand h2{
  font-size: 22px;
}
.footer-brand h2 span{ color: var(--gold-deep); }
.footer-brand p{
  margin-top: 14px;
  color: var(--taupe);
  font-size: 14.5px;
  max-width: 34ch;
}
.footer-col .kicker{ margin-bottom: 18px; }
.footer-col ul{
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a{
  font-size: 14.5px;
  color: var(--ink-soft);
}
.footer-col a:hover{ color: var(--gold-deep); }
.footer-col .muted{
  font-size: 14.5px;
  color: var(--taupe);
  opacity: .65;
  cursor: default;
}
.footer-bottom{
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--taupe);
}
.footer-bottom a{ color: var(--taupe); }
.footer-bottom a:hover{ color: var(--gold-deep); }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns: 1fr; gap: 40px; }
  .history .wrap{ grid-template-columns: 1fr; gap: 32px; }
  .areas-grid{ grid-template-columns: repeat(2, 1fr); }
  .sumate-grid, .editorial-grid{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
}

@media (max-width: 720px){
  .wrap{ padding: 0 20px; }
  .main-nav{
    position: fixed;
    top: 78px; left: 0; right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px 30px;
    gap: 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .main-nav.is-open{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-toggle{ display: block; }
  .nav-cta{ display: none; }
  .main-nav .nav-cta-mobile{ display: inline-flex; margin-top: 6px; }

  .hero{ padding: 60px 0 56px; }
  .philosophy{ padding: 84px 0; }
  section{ padding: 64px 0; }
  .alliances .wrap{ flex-direction: column; align-items: flex-start; }
  .areas-grid{ grid-template-columns: 1fr; }
  .sumate-grid, .editorial-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 36px; }
}