/* ============================================================
   Alejandro Estrella Gabilondo — portfolio
   Shared by index.html, retail-analytics.html, power-bi.html
   ============================================================ */

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

:root{
  --bg:#0F1115;
  --bg-2:#14171C;
  --card:#191D24;
  --card-hi:#20252E;
  --bone:#ECE7DE;
  --muted:#98A0AD;
  --dim:#6D7684;
  --copper:#E9A03C;
  --copper-2:#E4674B;
  --copper-d:#C1751E;
  --line:rgba(236,231,222,.10);
  --line-2:rgba(236,231,222,.18);
  --paper:#F5F2EC;
  --grad:linear-gradient(135deg,#E9A03C 0%,#E4674B 100%);
  --tr:all .28s cubic-bezier(.4,0,.2,1);
}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  line-height:1.65;color:var(--bone);background:var(--bg);
  -webkit-font-smoothing:antialiased;position:relative;min-height:100vh;
}
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 78% -8%,rgba(233,160,60,.13),transparent 62%),
    radial-gradient(560px 380px at 8% 6%,rgba(228,103,75,.09),transparent 60%);
}
body>*{position:relative;z-index:1}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--copper);outline-offset:3px;border-radius:4px}
.container{max-width:1180px;margin:0 auto;padding:0 2rem}
.narrow{max-width:920px}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(15,17,21,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-in{max-width:1180px;margin:0 auto;padding:.9rem 2rem;display:flex;align-items:center;gap:1.2rem}
.topbar .name{font-weight:600;font-size:.95rem;letter-spacing:-.2px;text-decoration:none}
.topbar .name i{font-style:normal;color:var(--copper)}
.back{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-size:.9rem;font-weight:500;color:var(--muted);transition:var(--tr)}
.back:hover{color:var(--copper);transform:translateX(-3px)}
.lang{margin-left:auto;display:flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.lang button{font:500 .74rem/1 inherit;letter-spacing:.07em;background:none;border:0;color:var(--muted);padding:.5rem .68rem;cursor:pointer;transition:var(--tr)}
.lang button[aria-pressed="true"]{background:var(--copper);color:#1A1206}
.lang button:hover{color:var(--bone)}
.lang button[aria-pressed="true"]:hover{color:#1A1206}

/* ---------- header ---------- */
.header{padding:4.5rem 0 1rem;max-width:900px}
.kicker{font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--copper)}
.header h1{
  font-size:clamp(2.3rem,5.6vw,3.6rem);font-weight:700;letter-spacing:-1.4px;
  line-height:1.04;margin-top:1rem;
}
.header h1 em{
  font-style:normal;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.header .title{font-size:clamp(1rem,2vw,1.15rem);color:var(--muted);margin-top:1rem;max-width:52ch}
.profile{margin-top:2.2rem;display:grid;grid-template-columns:1.35fr .65fr;gap:2.4rem;align-items:start}
.profile p{color:var(--muted);font-size:1.02rem;max-width:64ch}
.profile p+p{margin-top:1rem}
.profile strong{color:var(--bone);font-weight:600}
.domains{border-left:2px solid var(--line-2);padding-left:1.4rem}
.domains .k{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.domains ul{list-style:none;margin-top:.8rem;display:grid;gap:.5rem}
.domains li{font-size:.92rem;color:var(--muted)}
.domains li b{color:var(--bone);font-weight:600}

.links{display:flex;gap:1.6rem;flex-wrap:wrap;margin-top:2.4rem;padding-top:1.8rem;border-top:1px solid var(--line)}
.links a{
  color:var(--muted);text-decoration:none;font-size:.92rem;
  display:inline-flex;align-items:center;gap:.5rem;transition:var(--tr);
}
.links a:hover{color:var(--copper)}
.links a.strong{color:var(--bone);font-weight:500}
.links a.strong:hover{color:var(--copper)}

/* ---------- sections ---------- */
section{padding:4.5rem 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;flex-wrap:wrap;margin-bottom:2.6rem}
.section-title{font-size:clamp(1.5rem,3.2vw,2rem);font-weight:600;letter-spacing:-.6px}
.section-title::after{content:'';display:block;width:52px;height:3px;border-radius:2px;margin-top:.9rem;background:var(--grad)}
.section-sub{color:var(--muted);max-width:46ch;font-size:.95rem}

/* ---------- project cards ---------- */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));gap:1.6rem}
.project-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;transition:var(--tr);
}
.project-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.project-header{
  height:132px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(160deg,var(--card-hi) 0%,var(--card) 100%);
}
.project-header::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(rgba(233,160,60,.22) 1px,transparent 1px);
  background-size:18px 18px;
  mask-image:linear-gradient(115deg,#000 0%,transparent 62%);
  -webkit-mask-image:linear-gradient(115deg,#000 0%,transparent 62%);
  opacity:.5;
}
.project-card:hover .project-header::before{opacity:.85}
.project-icon{position:absolute;left:1.4rem;top:1.2rem;font-size:1.6rem;filter:grayscale(.15)}
.project-number{
  position:absolute;right:1.2rem;bottom:-1.5rem;
  font-size:5.6rem;font-weight:700;letter-spacing:-4px;
  color:rgba(236,231,222,.07);line-height:1;
}
.badge{
  position:absolute;left:1.4rem;bottom:1.2rem;
  font-size:.66rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--copper);border:1px solid rgba(233,160,60,.35);
  padding:.3rem .6rem;border-radius:5px;background:rgba(233,160,60,.08);
}
.project-content{padding:1.7rem;flex-grow:1;display:flex;flex-direction:column}
.project-title{font-size:1.3rem;font-weight:600;letter-spacing:-.4px;line-height:1.25}
.project-description{color:var(--muted);margin-top:.8rem;font-size:.94rem;flex-grow:1}
.project-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.3rem 0}
.tag{font-size:.72rem;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:.32rem .7rem}
.project-link{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  text-decoration:none;padding:.85rem 1.5rem;border-radius:11px;
  font-weight:500;font-size:.95rem;border:1px solid transparent;transition:var(--tr);
}
.link-fill{background:var(--grad);color:#1A1206}
.link-fill:hover{filter:brightness(1.08)}
.link-line{border-color:var(--line-2);color:var(--bone)}
.link-line:hover{border-color:var(--copper);color:var(--copper)}
.project-link .arrow{transition:var(--tr)}
.project-link:hover .arrow{transform:translateX(4px)}

/* ---------- capability cards ---------- */
.caps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem}
.cap{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:1.6rem;transition:var(--tr)}
.cap:hover{border-color:var(--line-2);transform:translateY(-4px)}
.cap .k{font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--copper)}
.cap h3{font-size:1.05rem;font-weight:600;margin-top:.7rem;line-height:1.3}
.cap p{color:var(--muted);font-size:.9rem;margin-top:.6rem}
.cap ul{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.1rem;list-style:none}
.cap ul li{font-size:.7rem;color:var(--dim);border:1px solid var(--line);border-radius:20px;padding:.28rem .6rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.9rem 1.8rem;border-radius:12px;text-decoration:none;
  font-weight:500;font-size:.96rem;border:1px solid transparent;cursor:pointer;transition:var(--tr);
}
.btn-fill{background:var(--grad);color:#1A1206}
.btn-fill:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-line{border-color:var(--line-2);color:var(--bone)}
.btn-line:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-2px)}
.btn-lg{padding:1.05rem 2.1rem;font-size:1rem}

/* ---------- case-study pages ---------- */
.case-hero{padding:3.6rem 0 0}
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--copper)}
.case-hero h1{font-size:clamp(1.9rem,4.4vw,2.7rem);font-weight:700;letter-spacing:-1px;line-height:1.1;margin-top:.8rem;max-width:20ch}
.case-hero .lede{font-size:1.05rem;color:var(--muted);max-width:62ch;margin-top:1.1rem}
.case-cta{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-top:1.9rem}
.case-note{font-size:.85rem;color:var(--dim)}
.meta{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:2.4rem;
}
.meta div{background:var(--card);padding:1rem 1.15rem}
.meta .k{font-size:.65rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--dim)}
.meta .v{font-size:.9rem;font-weight:500;margin-top:.3rem}

.block{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:2.2rem;margin-top:1.4rem}
.block .k{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--copper)}
.block h2{font-size:clamp(1.3rem,2.6vw,1.6rem);font-weight:600;letter-spacing:-.5px;line-height:1.25;margin-top:.7rem}
.block h3{font-size:1.02rem;font-weight:600;margin-top:1.7rem;color:var(--bone)}
.block p{color:var(--muted);margin-top:.8rem;max-width:70ch}
.block p strong{color:var(--bone);font-weight:600}
.list{list-style:none;margin-top:1rem;display:grid;gap:.6rem}
.list li{position:relative;padding-left:1.3rem;color:var(--muted)}
.list li::before{content:'';position:absolute;left:0;top:.75em;width:9px;height:1px;background:var(--copper)}
.list li strong{color:var(--bone);font-weight:600}
.split{display:grid;grid-template-columns:1.3fr .7fr;gap:2.2rem;align-items:start;margin-top:1rem}
.aside{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:1.3rem}
.aside .k{color:var(--dim)}

.pages{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:1.5rem}
.pages div{background:var(--bg-2);padding:1.05rem}
.pages h4{font-size:.73rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--copper)}
.pages p{font-size:.85rem;color:var(--muted);margin-top:.4rem}

figure.fig{margin-top:1.6rem;border-radius:14px;background:var(--paper);padding:1.6rem 1.3rem 1rem}
figure.fig svg{width:100%;height:auto;margin:0 auto}
.fig-scroll{overflow-x:auto}
.fig-scroll svg{min-width:640px;max-width:820px}
.fig-narrow svg{max-width:500px}
.fig-chart svg{max-width:620px}
figure.fig figcaption{margin-top:1rem;font-size:.79rem;color:#6B675F}

table.views{width:100%;border-collapse:collapse;margin-top:1.6rem;font-size:.9rem}
table.views th{
  text-align:left;font-size:.65rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);padding:0 1.2rem .7rem 0;border-bottom:1px solid var(--line);
}
table.views td{padding:1rem 1.2rem 1rem 0;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top}
table.views td:first-child{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;color:var(--bone);white-space:nowrap}
table.views td:nth-child(2){font-size:.82rem;color:var(--copper);white-space:nowrap}

.quote{border-left:3px solid var(--copper);padding-left:1.5rem;margin-top:2.2rem}
.quote p{font-size:1.04rem;line-height:1.6;color:var(--bone);max-width:66ch}
.quote span{display:block;margin-top:.8rem;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}

.endcta{text-align:center;padding:3.2rem 0 1rem}
.endcta p{color:var(--muted);margin-bottom:1.3rem}

/* ---------- footer ---------- */
.footer{
  padding:2.2rem 0 3rem;color:var(--dim);font-size:.88rem;
  border-top:1px solid var(--line);margin-top:3rem;
  display:flex;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;
}
.footer a{color:var(--muted);text-decoration:none;transition:var(--tr)}
.footer a:hover{color:var(--copper)}
.footer .fl{display:flex;gap:1.4rem;flex-wrap:wrap}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .profile,.split{grid-template-columns:1fr;gap:1.6rem}
  .domains{border-left:0;border-top:1px solid var(--line-2);padding-left:0;padding-top:1.2rem}
}
@media (max-width:768px){
  .container{padding:0 1.1rem}
  .topbar-in{padding:.8rem 1.1rem}
  .header{padding:3rem 0 .5rem}
  section{padding:3.2rem 0}
  .projects-grid{grid-template-columns:1fr}
  .block{padding:1.5rem}
  .links{gap:1.1rem}
  table.views,table.views tbody,table.views tr,table.views td{display:block;width:100%}
  table.views thead{display:none}
  table.views tr{padding:1rem 0;border-bottom:1px solid var(--line)}
  table.views td{border:0;padding:0}
  table.views td:nth-child(2){margin:.3rem 0 .5rem;white-space:normal}
}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms!important}
}