/* Alliance Group — base compartida: tokens, chrome y landing.
   Paleta comprometida a un solo tema: fondo navy, señal en bronce. */

:root{
  --navy-950:#060F1E;
  --navy-900:#0A1729;
  --navy-850:#0D1D33;
  --navy-800:#102338;
  --navy-700:#15304C;
  --line:#1E3A5C;
  --line-soft:#152A44;
  --brass:#D2A34F;
  --brass-soft:#E7CB96;
  --steel:#7C9AC4;
  --text:#E9EFF7;
  --muted:#9DB0CA;
  --dim:#6E85A6;

  --display:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --shell:1180px;
  --texto:660px;
  --pad:clamp(20px,5vw,48px);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--navy-950);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit}

img{display:block;max-width:100%}

:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:3px;
  border-radius:2px;
}

.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}

.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brass);
  margin:0;
}

/* ---------- masthead ---------- */

.masthead{
  position:relative;
  z-index:3;
  padding-top:26px;
  padding-bottom:26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

.wordmark{
  display:flex;
  align-items:baseline;
  gap:10px;
  text-decoration:none;
}

.wordmark b{
  font-family:var(--display);
  font-weight:400;
  font-size:23px;
  letter-spacing:.01em;
}

.wordmark span{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--dim);
}

.masthead nav{
  display:flex;
  gap:28px;
  font-size:14px;
}

.masthead nav a{
  color:var(--muted);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .2s,border-color .2s;
}

.masthead nav a:hover{color:var(--text);border-bottom-color:var(--brass)}
.masthead nav a[aria-current="page"]{color:var(--text);border-bottom-color:var(--brass)}

/* masthead sobre fondo liso (no sobre el hero) */
.masthead--solido{
  border-bottom:1px solid var(--line-soft);
  background:var(--navy-950);
}

/* ---------- botones ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 22px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.04em;
  text-decoration:none;
  border:1px solid var(--brass);
  transition:background .2s,color .2s,border-color .2s;
}

.btn-solid{background:var(--brass);color:var(--navy-950);font-weight:500}
.btn-solid:hover{background:var(--brass-soft);border-color:var(--brass-soft)}

.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--steel)}

.btn svg{width:15px;height:15px;flex:none;fill:currentColor}

/* ---------- hero de la landing ---------- */

.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background:
    radial-gradient(120% 88% at 12% 0%, #12294A 0%, rgba(18,41,74,0) 62%),
    linear-gradient(180deg,var(--navy-900) 0%,var(--navy-950) 100%);
  border-bottom:1px solid var(--line-soft);
}

#skyline{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  width:100%;
  height:clamp(230px,38vw,400px);
  display:block;
  z-index:0;
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:linear-gradient(190deg,var(--navy-900) 6%,rgba(10,23,41,.72) 38%,rgba(6,15,30,.10) 70%);
}

.hero-body{
  position:relative;
  z-index:2;
  padding-top:clamp(40px,7vw,74px);
  padding-bottom:clamp(220px,32vw,340px);
}

.hero h1{
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(38px,6.4vw,68px);
  line-height:1.06;
  letter-spacing:-.015em;
  text-wrap:balance;
  margin:18px 0 0;
  max-width:12em;
}

.hero h1 em{font-style:normal;color:var(--brass-soft)}

.hero p{
  margin:22px 0 0;
  font-size:clamp(15px,1.6vw,17.5px);
  color:var(--muted);
  max-width:52ch;
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}

/* ---------- bandas de contenido ---------- */

.band{
  padding-top:clamp(58px,8vw,96px);
  padding-bottom:clamp(58px,8vw,96px);
}

.band-head{
  max-width:58ch;
  margin-bottom:clamp(38px,5vw,58px);
}

.band-head h2{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(27px,3.4vw,38px);
  line-height:1.18;
  letter-spacing:-.01em;
  text-wrap:balance;
  margin:14px 0 0;
}

.band-head p{
  margin:14px 0 0;
  color:var(--muted);
  font-size:16px;
}

.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border-top:1px solid var(--line-soft);
}

.practice{padding:34px 0 8px}

.practice:first-child{
  padding-right:clamp(28px,4vw,56px);
  border-right:1px solid var(--line-soft);
}

.practice:last-child{padding-left:clamp(28px,4vw,56px)}

.practice h3{
  font-family:var(--display);
  font-weight:400;
  font-size:26px;
  letter-spacing:-.005em;
  margin:12px 0 0;
}

.practice > p{
  color:var(--muted);
  font-size:15px;
  margin:10px 0 0;
  max-width:44ch;
}

.practice ul{
  list-style:none;
  margin:26px 0 0;
  padding:0;
  display:flex;
  flex-direction:column;
}

.practice li{
  padding:13px 0;
  border-top:1px solid var(--line-soft);
  font-size:15px;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px;
  align-items:start;
}

.practice li::before{
  content:"";
  width:5px;
  height:5px;
  margin-top:9px;
  background:var(--brass);
  transform:rotate(45deg);
}

.practice li b{font-weight:600;display:block}

.practice li span{
  color:var(--dim);
  font-size:13.5px;
  font-family:var(--mono);
  letter-spacing:.01em;
}

.method{
  background:var(--navy-900);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}

.stages{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(24px,3.5vw,44px);
}

.stage{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding-top:20px;
  border-top:2px solid var(--brass);
}

.stage:nth-child(2){border-top-color:var(--steel)}
.stage:nth-child(3){border-top-color:var(--line)}

.stage .n{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--dim);
}

.stage h4{
  font-family:var(--display);
  font-weight:400;
  font-size:21px;
  margin:0;
}

.stage p{margin:0;font-size:14.5px;color:var(--muted)}

/* ---------- contacto ---------- */

.contact .shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,auto);
  gap:clamp(32px,5vw,72px);
  align-items:end;
}

.contact h2{
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.1;
  letter-spacing:-.015em;
  text-wrap:balance;
  margin:14px 0 0;
  max-width:16ch;
}

.contact h2 em{font-style:normal;color:var(--brass-soft)}

.card{
  border:1px solid var(--line);
  background:linear-gradient(160deg,var(--navy-850),var(--navy-900));
  padding:clamp(24px,3vw,34px);
  min-width:min(100%,330px);
}

.field{
  display:flex;
  flex-direction:column;
  gap:5px;
  padding:16px 0;
  border-bottom:1px solid var(--line-soft);
}

.field:first-of-type{padding-top:0}
.field:last-of-type{border-bottom:0;padding-bottom:0}

.field .k{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--dim);
}

.field a{
  font-family:var(--mono);
  font-size:clamp(14px,1.7vw,16.5px);
  font-weight:500;
  color:var(--brass-soft);
  text-decoration:none;
  font-variant-numeric:tabular-nums;
  word-break:break-word;
  border-bottom:1px solid transparent;
  transition:border-color .2s,color .2s;
}

.field a:hover{color:#fff;border-bottom-color:var(--brass)}

.field .note{font-size:13px;color:var(--muted);font-family:var(--sans)}

/* ---------- footer ---------- */

footer{padding-top:28px;padding-bottom:40px}

footer .shell{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  border-top:1px solid var(--line-soft);
  padding-top:24px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--dim);
}

@media (max-width:860px){
  .split{grid-template-columns:1fr}
  .practice:first-child{padding-right:0;border-right:0;padding-bottom:34px}
  .practice:last-child{padding-left:0;border-top:1px solid var(--line-soft)}
  .stages{grid-template-columns:1fr}
  .contact .shell{grid-template-columns:1fr;align-items:start}
  .masthead nav{gap:20px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}