/* ===========================================================
   Andrés Jiménez — Collective Decision Architecture
   Flagship cinematic experience (index.html)
=========================================================== */
:root{
  --bg:#0B0E1A;
  --bg-raised:#12162A;
  --bg-raised-2:#171C33;
  --ink:#F2EEE3;
  --ink-soft:#A9AFC3;
  --ink-dim:#7A8098;
  --line:rgba(242,238,227,0.12);
  --line-strong:rgba(242,238,227,0.22);
  --line-bold:rgba(242,238,227,0.4);
  --terracotta:#D45A35;
  --terracotta-deep:#B84826;
  --gold:#D4A843;
  --glass:rgba(242,238,227,0.045);
  --glass-strong:rgba(242,238,227,0.08);
  --topbar-scroll-bg:rgba(11,14,26,0.85);
  --mobile-menu-bg:rgba(11,14,26,0.98);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1220px;
}
html[data-theme="light"]{
  --bg:#F8F5EE;
  --bg-raised:#F1ECDF;
  --bg-raised-2:#EFE7D3;
  --ink:#14181B;
  --ink-soft:#52564E;
  --ink-dim:#6B6558;
  --line:rgba(20,24,27,0.12);
  --line-strong:rgba(20,24,27,0.24);
  --line-bold:rgba(20,24,27,0.4);
  --terracotta:#A8471F;
  --terracotta-deep:#8A3A19;
  --gold:#8C6A26;
  --glass:rgba(20,24,27,0.03);
  --glass-strong:rgba(20,24,27,0.06);
  --topbar-scroll-bg:rgba(248,245,238,0.88);
  --mobile-menu-bg:rgba(248,245,238,0.98);
}
html[data-theme="light"] .particle{opacity:0.18;}
html[data-theme="light"] .skip-link{color:var(--bg);}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important; transition-duration:0.001ms !important;}
  .particle{display:none;}
}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Archivo', sans-serif; font-size:17px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
h1,h2,h3{font-family:'Instrument Serif', serif; font-weight:400; margin:0 0 0.5em; color:var(--ink);}
p{margin:0 0 1em;}
a{color:var(--terracotta); text-decoration-color:var(--line-strong); text-underline-offset:3px;}
a:focus-visible, button:focus-visible{outline:2px solid var(--gold); outline-offset:3px;}
.mono{font-family:'JetBrains Mono', monospace; letter-spacing:0.04em;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
img{max-width:100%; display:block;}
.skip-link{position:absolute; left:-999px; background:var(--terracotta); color:var(--bg); padding:12px 20px; z-index:200; border-radius:0 0 6px 0;}
.skip-link:focus{left:0; top:0;}

html:not([lang="en"]) [data-lang="en"]{display:none;}
html[lang="en"] [data-lang="es"]{display:none;}

/* ---------- Progress bar ---------- */
.progress-bar{position:fixed; top:0; left:0; height:3px; background:linear-gradient(90deg, var(--terracotta), var(--gold)); z-index:100; width:0%; transition:width .1s linear;}

/* ---------- Nav ---------- */
.topbar{position:fixed; top:0; left:0; right:0; z-index:90; padding:22px 0; transition:background .3s var(--ease), padding .3s var(--ease), border-color .3s var(--ease); border-bottom:1px solid transparent;}
.topbar.scrolled{background:var(--topbar-scroll-bg); backdrop-filter:blur(14px) saturate(1.2); border-bottom-color:var(--line); padding:14px 0;}
.topbar .wrap{display:flex; align-items:center; justify-content:space-between;}
.brand{font-family:'Archivo', sans-serif; font-weight:800; font-size:19px; letter-spacing:-0.02em; color:var(--ink); text-decoration:none; display:flex; align-items:center; gap:9px;}
.brand::before{content:""; width:9px; height:9px; background:var(--terracotta); flex-shrink:0;}
.brand span{color:var(--terracotta);}
.navlinks-desktop{display:flex; gap:32px; list-style:none; margin:0; padding:0;}
.navlinks-desktop a{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); text-decoration:none; transition:color .2s;}
.navlinks-desktop a:hover{color:var(--gold);}
@media (max-width:860px){ .navlinks-desktop{display:none;} }

.theme-btn{background:transparent; border:2px solid var(--line-strong); color:var(--ink); font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11px; padding:8px 14px; border-radius:5px; cursor:pointer; display:flex; gap:8px; letter-spacing:0.04em;}
.theme-btn span{opacity:0.4;}
.theme-btn span.active{opacity:1; color:var(--terracotta); font-weight:700;}
html[data-theme="dark"] .theme-action-light{display:none;}
html[data-theme="light"] .theme-action-dark{display:none;}

.menu-toggle{position:relative; width:44px; height:44px; background:transparent; border:1px solid var(--line-strong); border-radius:50%; cursor:pointer; display:flex; align-items:center; justify-content:center;}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{content:""; position:absolute; width:18px; height:1.5px; background:var(--ink); transition:transform .35s var(--ease), opacity .35s var(--ease);}
.menu-toggle span::before{transform:translateY(-6px);}
.menu-toggle span::after{transform:translateY(6px);}
.menu-toggle[aria-expanded="true"] span{background:transparent;}
.menu-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);}
.menu-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);}

.mobile-menu{position:fixed; inset:0; z-index:95; background:var(--bg); display:flex; flex-direction:column; justify-content:center; padding:32px; opacity:0; visibility:hidden; transition:opacity .4s var(--ease); }
.mobile-menu.open{opacity:1; visibility:visible;}
.mobile-menu ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:6px;}
.mobile-menu a{font-family:'Instrument Serif', serif; font-style:italic; font-size:clamp(32px,10vw,56px); color:var(--ink); text-decoration:none; padding:10px 0; display:inline-block; opacity:0; transform:translateY(16px); transition:opacity .5s var(--ease), transform .5s var(--ease), color .2s;}
.mobile-menu.open a{opacity:1; transform:translateY(0);}
.mobile-menu a:hover{color:var(--terracotta);}
.mobile-menu .mm-lang{margin-top:40px;}

/* ---------- Hero ---------- */
.hero{position:relative; min-height:100vh; display:flex; flex-direction:column; justify-content:center; overflow:hidden; padding:120px 0 80px;}
.particle-field{position:absolute; inset:0; z-index:0; pointer-events:none;}
.particle{position:absolute; border-radius:50%; background:var(--gold); opacity:0.35; animation:float linear infinite;}
@keyframes float{
  0%{transform:translateY(0) translateX(0); opacity:0;}
  10%{opacity:.45;}
  90%{opacity:.25;}
  100%{transform:translateY(-120vh) translateX(20px); opacity:0;}
}
.hero-glow{position:absolute; inset:-20%; z-index:0; pointer-events:none;
  background:
    radial-gradient(ellipse 55% 45% at 18% 20%, rgba(212,90,53,0.14), transparent 62%),
    radial-gradient(ellipse 50% 45% at 85% 78%, rgba(212,168,67,0.10), transparent 62%);
  animation:drift 28s ease-in-out infinite alternate;
}
@keyframes drift{ 0%{transform:translate(0,0) scale(1);} 100%{transform:translate(-3%,2%) scale(1.06);} }
.hero-grid{position:absolute; inset:0; z-index:0; opacity:0.5; pointer-events:none;
  background-image:repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 72px), repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 72px);
  mask-image:linear-gradient(to bottom, black, transparent 85%);
  -webkit-mask-image:linear-gradient(to bottom, black, transparent 85%);
}
.hero-inner{position:relative; z-index:1;}
.eyebrow{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:12px; text-transform:uppercase; color:var(--gold); letter-spacing:0.14em; margin-bottom:28px; display:flex; align-items:center; gap:12px;}
.eyebrow::before{content:""; width:32px; height:3px; background:var(--terracotta);}
h1.display{
  font-family:'Archivo', sans-serif; font-size:clamp(50px, 8.8vw, 124px); line-height:0.94; margin:0 0 32px; max-width:15ch; font-weight:800; letter-spacing:-0.03em;
  transform:perspective(900px) rotateX(var(--tiltX,0deg)) rotateY(var(--tiltY,0deg)); transition:transform .15s ease-out; will-change:transform;
}
h1.display em{font-family:'Instrument Serif', serif; font-style:italic; font-weight:400; color:var(--terracotta); letter-spacing:-0.01em;}
.lede{font-size:clamp(18px,2.1vw,22px); max-width:58ch; color:var(--ink-soft); line-height:1.65; font-weight:500;}
.btn-row{display:flex; gap:16px; margin-top:44px; flex-wrap:wrap;}
.btn{display:inline-flex; align-items:center; gap:9px; background:var(--terracotta); color:var(--bg); font-family:'JetBrains Mono', monospace; font-size:12.5px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; padding:17px 32px; border-radius:5px; text-decoration:none; border:2px solid var(--terracotta); box-shadow:0 6px 18px rgba(212,90,53,0.28); transition:background .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);}
.btn:hover{background:var(--terracotta-deep); border-color:var(--terracotta-deep); transform:translateY(-2px); box-shadow:0 10px 24px rgba(212,90,53,0.36);}
.btn.outline{background:transparent; color:var(--ink); border:2px solid var(--line-strong); box-shadow:none;}
.btn.outline:hover{border-color:var(--gold); color:var(--gold); box-shadow:0 6px 18px rgba(212,168,67,0.16);}

.route{width:100%; height:auto; display:block; margin-top:70px; position:relative; z-index:1;}
.route path{stroke-dasharray:900; stroke-dashoffset:900;}
.route path.drawn{animation:draw 2.4s ease forwards;}
@keyframes draw{ to{stroke-dashoffset:0;} }

.scroll-cue{position:absolute; bottom:36px; left:0; right:0; z-index:1; display:flex; justify-content:center; align-items:center; gap:10px; color:var(--ink-dim); font-size:11px;}
.scroll-cue .dash{width:1px; height:28px; background:var(--ink-dim); animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{ 0%,100%{opacity:.25;} 50%{opacity:.85;} }

/* ---------- Chapters ---------- */
.chapter{padding:140px 0; border-top:2px solid var(--line); position:relative;}
.chapter.raised{background:var(--bg-raised);}
.chapter-num{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:13px; color:var(--terracotta); letter-spacing:0.1em; margin-bottom:22px; display:flex; align-items:center; gap:12px;}
.chapter-num::before{content:""; width:32px; height:3px; background:var(--terracotta);}
h2.h2{font-family:'Archivo', sans-serif; font-size:clamp(34px,5.4vw,60px); max-width:15ch; font-weight:800; line-height:1.02; letter-spacing:-0.025em;}
h2.h2 em{font-family:'Instrument Serif', serif; font-style:italic; font-weight:400; color:var(--gold); letter-spacing:-0.01em;}
.lead-p{font-size:19px; color:var(--ink-soft); max-width:64ch; line-height:1.7; font-weight:500;}

/* ---------- Reveal ---------- */
.reveal{opacity:0; transform:translateY(28px) scale(.98); transition:opacity .9s var(--ease), transform .9s var(--ease);}
.reveal.show{opacity:1; transform:translateY(0) scale(1);}
.reveal-stagger > *{opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal-stagger.show > *{opacity:1; transform:translateY(0);}
.reveal-stagger.show > *:nth-child(1){transition-delay:.05s;}
.reveal-stagger.show > *:nth-child(2){transition-delay:.14s;}
.reveal-stagger.show > *:nth-child(3){transition-delay:.23s;}
.reveal-stagger.show > *:nth-child(4){transition-delay:.32s;}
.reveal-stagger.show > *:nth-child(5){transition-delay:.41s;}
.reveal-stagger.show > *:nth-child(6){transition-delay:.5s;}

/* ---------- Glass cards / methodology ---------- */
.pillars{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:48px;}
@media (max-width:900px){ .pillars{grid-template-columns:1fr;} }
.pillar{background:var(--bg-raised-2); border:2px solid var(--line); border-top:4px solid var(--terracotta); border-radius:8px; padding:34px 28px; transition:transform .3s var(--ease), border-color .3s var(--ease);}
.pillar:hover{transform:translateY(-5px); border-color:var(--line-bold); border-top-color:var(--gold);}
.pillar-num{font-family:'Archivo', sans-serif; font-weight:900; font-size:42px; color:var(--terracotta); margin-bottom:16px; letter-spacing:-0.02em;}
.pillar h3{font-family:'Archivo', sans-serif; font-weight:800; font-size:19px; color:var(--ink); margin:0 0 12px; letter-spacing:-0.01em;}
.pillar p{color:var(--ink-soft); font-size:15px; margin:0; font-weight:500;}

/* ---------- Case studies (expandable, tilt) ---------- */
.cs-grid{display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:48px;}
@media (max-width:820px){ .cs-grid{grid-template-columns:1fr;} }
.cs-card{background:var(--bg-raised-2); border:2px solid var(--line); border-left:4px solid var(--terracotta); border-radius:8px; padding:0; overflow:hidden; transition:border-color .3s var(--ease), transform .2s ease-out; transform:perspective(800px) rotateX(var(--ry,0deg)) rotateY(var(--rx,0deg)); will-change:transform;}
.cs-card:hover{border-color:var(--line-bold); border-left-color:var(--gold);}
.cs-summary{padding:30px 28px; cursor:pointer; display:flex; justify-content:space-between; align-items:flex-start; gap:16px; list-style:none;}
.cs-summary::-webkit-details-marker{display:none;}
.cs-meta{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11px; text-transform:uppercase; color:var(--gold); letter-spacing:0.07em; margin-bottom:10px;}
.cs-summary h3{font-family:'Archivo', sans-serif; font-weight:800; font-size:26px; margin:0 0 6px; color:var(--ink); letter-spacing:-0.015em;}
.cs-role{color:var(--ink-soft); font-size:14.5px; font-style:italic; margin:0; font-weight:500;}
.cs-plus{flex-shrink:0; width:34px; height:34px; border-radius:4px; border:2px solid var(--line-strong); display:flex; align-items:center; justify-content:center; color:var(--ink-soft); font-family:'JetBrains Mono',monospace; font-weight:700; font-size:16px; transition:transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease);}
details[open] .cs-plus{transform:rotate(45deg); background:var(--terracotta); color:var(--bg); border-color:var(--terracotta);}
.cs-body{padding:0 28px 30px; border-top:1px solid var(--line);}
.cs-cols{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:22px;}
@media (max-width:520px){ .cs-cols{grid-template-columns:1fr;} }
.cs-cols h4{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11px; text-transform:uppercase; color:var(--terracotta); letter-spacing:0.06em; margin:0 0 8px;}
.cs-cols p{color:var(--ink-soft); font-size:15px; margin:0; font-weight:500;}
.cs-approach-tag{display:inline-flex; align-items:center; gap:6px; margin-top:18px; font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11px; text-transform:uppercase; letter-spacing:0.05em; color:var(--gold); border:2px solid var(--line-strong); border-radius:4px; padding:7px 13px;}

/* ---------- Ventures / services strip ---------- */
.grid3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:44px;}
@media (max-width:900px){ .grid3{grid-template-columns:1fr;} }
.glass-card{background:var(--bg-raised-2); border:2px solid var(--line); border-top:4px solid var(--gold); border-radius:8px; padding:32px 26px; display:flex; flex-direction:column; transition:transform .3s var(--ease), border-color .3s var(--ease);}
.glass-card:hover{transform:translateY(-5px); border-color:var(--line-bold); border-top-color:var(--terracotta);}
.glass-card h3{font-size:21px; margin:0 0 10px; color:var(--ink); font-family:'Archivo',sans-serif; font-weight:800; letter-spacing:-0.01em;}
.glass-card p{color:var(--ink-soft); font-size:15px; flex:1; margin:0 0 18px; font-weight:500;}
.tag{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11px; text-transform:uppercase; color:var(--gold); letter-spacing:0.04em; display:inline-block; margin-bottom:8px;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--bg-raised-2); color:var(--ink); padding:120px 0 50px; border-top:3px solid var(--terracotta);}
footer.site-footer .closing{font-family:'Archivo', sans-serif; font-size:clamp(34px,5.5vw,62px); max-width:17ch; margin:0 0 56px; font-weight:800; line-height:1.05; letter-spacing:-0.02em;}
footer.site-footer .closing em{font-family:'Instrument Serif', serif; color:var(--gold); font-style:italic; font-weight:400;}
.contact-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px; border-top:2px solid var(--line); padding-top:40px;}
@media (max-width:720px){ .contact-grid{grid-template-columns:1fr;} }
.contact-label{font-size:11px; text-transform:uppercase; color:var(--gold); margin-bottom:10px; font-family:'JetBrains Mono', monospace; font-weight:700; letter-spacing:0.06em;}
.contact-value{font-size:19px; font-weight:600;}
.contact-value a{color:var(--ink); text-decoration-color:var(--line-strong);}
.contact-value a:hover{color:var(--terracotta);}
.footer-nav{display:flex; flex-wrap:wrap; gap:11px 26px; margin-top:44px; padding-top:32px; border-top:2px solid var(--line); font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11px; text-transform:uppercase; letter-spacing:0.04em;}
.footer-nav a{color:var(--ink-soft); text-decoration:none;}
.footer-nav a::before{content:"→ "; opacity:0.5;}
.footer-nav a:hover{color:var(--gold);}
.fine{margin-top:44px; font-size:12.5px; color:var(--ink-dim); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;}
.fine a{color:var(--ink-dim);}

/* ---------- Shared component classes (interior pages) ---------- */
.eyebrow-sec{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:13px; color:var(--terracotta); letter-spacing:0.1em; margin-bottom:22px; display:flex; align-items:center; gap:12px; text-transform:uppercase;}
.eyebrow-sec::before{content:""; width:32px; height:3px; background:var(--terracotta);}

.hero-stats{display:grid; grid-template-columns:repeat(4,1fr); margin-top:56px; border-top:2px solid var(--line);}
.hero-stat{padding:24px 20px 0; border-left:2px solid var(--line);}
.hero-stat:first-child{border-left:none; padding-left:0;}
.hero-stat .num{font-family:'Archivo', sans-serif; font-size:32px; color:var(--terracotta); font-weight:900; letter-spacing:-0.02em;}
.hero-stat .lbl{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:10.5px; text-transform:uppercase; color:var(--ink-soft); margin-top:8px; letter-spacing:0.03em;}
@media (max-width:720px){ .hero-stats{grid-template-columns:1fr 1fr; row-gap:24px;} .hero-stat:nth-child(2){border-left:2px solid var(--line);} .hero-stat:nth-child(3){border-left:none; padding-left:0;} }

.method-block{display:grid; grid-template-columns:110px 1fr; gap:32px; padding:40px 0; border-top:2px solid var(--line);}
.method-block:last-child{border-bottom:2px solid var(--line);}
.method-num{font-family:'Archivo', sans-serif; font-size:44px; color:var(--terracotta); line-height:1; font-weight:900; letter-spacing:-0.02em;}
.method-block h3{font-size:20px; margin:0 0 10px; font-weight:800; font-family:'Archivo', sans-serif; letter-spacing:-0.01em;}
.method-block p{margin:0; color:var(--ink-soft); max-width:64ch; font-size:16px; font-weight:500;}
@media (max-width:640px){ .method-block{grid-template-columns:52px 1fr; gap:18px;} .method-num{font-size:30px;} }

.grid2{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:28px;}
@media (max-width:640px){ .grid2{grid-template-columns:1fr;} }

.card{background:var(--bg-raised-2); border:2px solid var(--line); border-top:4px solid var(--terracotta); border-radius:8px; padding:30px 26px; display:flex; flex-direction:column; transition:transform .3s var(--ease), border-color .3s var(--ease);}
.card:hover{transform:translateY(-4px); border-color:var(--line-bold); border-top-color:var(--gold);}
.card h3{font-size:19px; margin:0 0 10px; font-weight:800; font-family:'Archivo', sans-serif; color:var(--ink); letter-spacing:-0.01em;}
.card p{margin:0 0 14px; color:var(--ink-soft); font-size:15.5px; flex:1; font-weight:500;}
.card ul{margin:0 0 14px; padding-left:18px; color:var(--ink-soft); font-size:15px;}

.price-card{background:var(--bg-raised-2); border:2px solid var(--line); border-top:4px solid var(--gold); border-radius:8px; padding:34px 30px; display:flex; flex-direction:column; transition:transform .3s var(--ease), border-color .3s var(--ease);}
.price-card:hover{transform:translateY(-4px); border-color:var(--line-bold);}
.price-card .popular{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:10.5px; color:var(--terracotta); text-transform:uppercase; margin-bottom:10px; letter-spacing:0.05em;}
.price-card h3{font-size:21px; margin:0 0 4px; font-weight:800; font-family:'Archivo', sans-serif; letter-spacing:-0.01em;}
.price-card .dur{font-family:'JetBrains Mono', monospace; font-weight:700; font-size:11.5px; color:var(--terracotta); margin-bottom:16px; letter-spacing:0.03em;}
.price-card ul{margin:0 0 20px; padding-left:18px; color:var(--ink-soft); font-size:15px; flex:1;}
.price-card li{margin-bottom:6px;}

@media (max-width:640px){
  .chapter{padding:88px 0;}
  .hero{padding:100px 0 60px;}
  .cs-summary{padding:24px 22px;}
  .cs-body{padding:0 22px 24px;}
}
@media (max-width:600px){
  /* Theme + language toggles move into the full-screen mobile menu at this
     width; hide the topbar copies so the hamburger always has room.
     !important is required because lang-btn carries an inline
     display:flex style, which otherwise beats any stylesheet rule. */
  .topbar .theme-btn,
  .topbar .lang-btn{display:none !important;}
  .topbar .wrap > div:last-child{gap:10px;}
  .brand{font-size:16px;}
}