/* ============================================================
   SANDRA GENER — Marketing & AI Strategist
   Sistema de diseño
   ------------------------------------------------------------
   Paleta:
     --ink        fondo oscuro principal
     --ink-2      paneles sobre fondo oscuro
     --paper      fondo claro (contraste, NO crema — gris-verde frío)
     --paper-2    blanco puro
     --text-on-dark / --text-on-light
     --muted      texto secundario
     --coral / --gold / --teal / --violet  “el hilo”: degradado que
        atraviesa la web y narra la evolución de Sandra —
        marketing y creatividad (coral/oro) hacia estrategia con IA
        (verde/violeta). Se usa en subrayados, divisores y la
        columna-guía lateral.
   ============================================================ */

:root{
  --ink: #0A0A0D;
  --ink-2: #151319;
  --ink-3: #1E1B24;
  --paper: #EDEFEA;
  --paper-2: #FFFFFF;
  --text-on-dark: #ECEAE4;
  --text-on-dark-dim: #9C99AB;
  --text-on-light: #14131A;
  --text-on-light-dim: #5C5A66;

  --coral: #E4667B;
  --gold: #E3B23C;
  --teal: #45B6A4;
  --violet: #6F6BD8;

  --thread: linear-gradient(120deg, var(--coral) 0%, var(--gold) 34%, var(--teal) 66%, var(--violet) 100%);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --container: 1180px;
  --radius: 18px;
  --ease: cubic-bezier(.22,.9,.25,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important;}
}

body{
  margin:0;
  background:var(--ink);
  color:var(--text-on-dark);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:600; line-height:1.08; margin:0;}
p{margin:0;}
ul{margin:0; padding:0; list-style:none;}
button{font-family:inherit; cursor:pointer;}

::selection{background:var(--violet); color:#fff;}

:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (max-width:640px){ .wrap{padding:0 22px;} }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text-on-dark-dim);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--thread);
}
.on-light .eyebrow{color:var(--text-on-light-dim);}

section{position:relative;}
.section-pad{padding:76px 0;}
@media (max-width:900px){ .section-pad{padding:64px 0;} }

.on-light{background:var(--paper); color:var(--text-on-light);}
.on-white{background:var(--paper-2); color:var(--text-on-light);}
.on-dark{background:var(--ink); color:var(--text-on-dark);}

.grad-text{
  background:var(--thread);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------- NAV ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 32px;
  transition:background .35s var(--ease), padding .35s var(--ease), border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(10,10,13,.82);
  backdrop-filter:blur(14px);
  padding:14px 32px;
  border-color:rgba(255,255,255,.07);
}
/* Internal light pages keep a solid dark header from first paint. */
.nav.nav-solid{
  background:#0A0A0D;
  backdrop-filter:none;
  padding:14px 32px;
  border-color:rgba(255,255,255,.07);
}
.nav-brand{
  font-family:var(--font-display);
  font-weight:600;
  font-size:19px;
  letter-spacing:.01em;
}
.nav-links{display:flex; gap:30px; align-items:center;}
.nav-links a{
  font-size:13.5px;
  color:var(--text-on-dark-dim);
  transition:color .2s;
  letter-spacing:.02em;
}
.nav-links a:hover{color:var(--text-on-dark);}
.nav-cta{
  border:1px solid rgba(255,255,255,.22);
  padding:9px 18px;
  border-radius:100px;
  font-size:13px !important;
  color:var(--text-on-dark) !important;
}
.nav-cta:hover{border-color:var(--gold); color:var(--gold) !important;}
.nav-toggle{display:none; background:none; border:0; color:var(--text-on-dark);}
@media (max-width:860px){
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:78%; max-width:340px;
    background:var(--ink-2); flex-direction:column; align-items:flex-start;
    padding:100px 32px 40px; gap:22px;
    transform:translateX(100%); transition:transform .4s var(--ease);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:16px;}
  .nav-toggle{display:block;}
}

/* ---------- THREAD SPINE (desktop signature element) ---------- */
.spine{
  position:fixed;
  left:38px; top:0; bottom:0;
  width:2px;
  z-index:60;
  display:flex; align-items:center;
  pointer-events:none;
}
.spine svg{position:absolute; top:0; left:0; height:100%; width:2px; overflow:visible;}
.spine-dots{
  position:relative; height:70vh; display:flex; flex-direction:column; justify-content:space-between;
  pointer-events:auto;
}
.spine-dot{
  width:9px; height:9px; border-radius:50%;
  background:var(--ink-3);
  border:1px solid rgba(255,255,255,.25);
  transform:translateX(-3.5px);
  cursor:pointer;
  transition:all .3s var(--ease);
}
.spine-dot.active{background:var(--gold); border-color:var(--gold); box-shadow:0 0 0 4px rgba(227,178,60,.18);}
@media (max-width:900px){ .spine{display:none;} }

/* ---------- HERO ---------- */
.hero{
  min-height:100svh;
  display:flex; align-items:center;
  padding-top:104px; padding-bottom:58px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(60% 50% at 82% 18%, rgba(111,107,216,.20), transparent 60%),
    radial-gradient(45% 40% at 15% 85%, rgba(228,102,123,.14), transparent 60%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:64px;
  align-items:center;
  position:relative;
}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr; gap:44px;} }

.hero-kicker{
  font-family:var(--font-mono);
  font-size:12.5px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--text-on-dark-dim); margin-bottom:22px; display:block;
}
.hero h1{
  font-size:clamp(42px, 6.4vw, 84px);
  letter-spacing:-.01em;
}
.hero h1 .name{display:block;}
.hero-role{
  font-family:var(--font-mono);
  font-size:clamp(14px,1.6vw,18px);
  letter-spacing:.04em;
  margin-top:18px;
  color:var(--text-on-dark-dim);
}
.hero-role strong{color:var(--text-on-dark); font-weight:500;}
.hero-value{
  margin-top:30px;
  font-size:19px;
  max-width:46ch;
  color:var(--text-on-dark-dim);
}
.hero-value strong{color:var(--text-on-dark); font-weight:600;}
.hero-ctas{display:flex; flex-wrap:wrap; gap:14px; margin-top:42px;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px;
  border-radius:100px;
  font-size:14.5px; font-weight:600;
  letter-spacing:.01em;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--thread);
  color:#0A0A0D;
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 14px 30px -12px rgba(227,178,60,.45);}
.btn-ghost{
  border:1px solid rgba(255,255,255,.2);
  color:var(--text-on-dark);
}
.btn-ghost:hover{border-color:var(--text-on-dark); transform:translateY(-2px);}
.on-light .btn-ghost{border-color:rgba(20,19,26,.2); color:var(--text-on-light);}
.on-light .btn-ghost:hover{border-color:var(--text-on-light);}

.hero-portrait{
  position:relative;
  aspect-ratio:4/5;
  border-radius:24px;
  background:
    linear-gradient(160deg, var(--ink-3), var(--ink-2));
  border:1px solid rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.hero-portrait .ph-label{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--text-on-dark-dim);
  text-align:center; padding:0 30px;
}
.hero-portrait img{width:100%; height:100%; object-fit:cover; object-position:center 28%; position:absolute; inset:0;}
.hero-portrait::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0; height:40%;
  background:linear-gradient(to top, rgba(10,10,13,.55), transparent);
}
.hero-portrait-frame{
  position:absolute; inset:14px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  pointer-events:none;
}

/* ---------- INTRO STRIP ---------- */
.intro-strip{
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:26px 0;
  overflow:hidden;
}
.intro-strip .track{
  display:flex; gap:56px; white-space:nowrap;
  font-family:var(--font-mono); font-size:13px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--text-on-dark-dim);
  animation:scroll-x 34s linear infinite;
  width:max-content;
}
@keyframes scroll-x{ from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ---------- SECTION HEADERS ---------- */
.section-head{ max-width:720px; margin-bottom:34px; }
.section-head h2{ font-size:clamp(30px,4vw,48px); margin-top:14px; letter-spacing:-.01em;}
.section-head .lede{ margin-top:14px; font-size:18px; color:var(--text-on-dark-dim); max-width:60ch;}
.on-light .section-head .lede, .on-white .section-head .lede{color:var(--text-on-light-dim);}

/* ---------- ABOUT ---------- */
.about-grid{ display:grid; grid-template-columns:minmax(0,1fr) minmax(380px,520px); gap:56px; justify-content:space-between; align-items:start;}
@media (max-width:900px){ .about-grid{grid-template-columns:1fr; gap:40px;} }
.about-copy p{ font-size:17.5px; color:var(--text-on-light-dim); margin-bottom:18px;}
.about-copy p strong{color:var(--text-on-light); font-weight:600;}
.stat-row{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:rgba(20,19,26,.1);
  border:1px solid rgba(20,19,26,.1);
  border-radius:14px; overflow:hidden; margin-top:36px;
}
.stat{background:var(--paper-2); padding:22px 20px;}
.stat b{font-family:var(--font-display); font-size:30px; display:block;}
.stat span{font-size:12.5px; color:var(--text-on-light-dim); letter-spacing:.02em;}

.pillars{ display:grid; gap:12px; width:100%; max-width:520px; justify-self:end; }
.pillar{
  background:var(--paper-2);
  border:1px solid rgba(20,19,26,.08);
  border-radius:16px;
  padding:20px 22px;
  display:grid; grid-template-columns:auto 1fr; gap:18px; align-items:start;
}
.pillar .dot{
  width:10px; height:10px; border-radius:50%; margin-top:7px;
}
.pillar h4{font-size:16.5px; margin-bottom:6px;}
.pillar p{font-size:15px; color:var(--text-on-light-dim);}

/* ---------- EXPERTISE ---------- */
.expertise-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px; overflow:hidden;
}
@media (max-width:900px){ .expertise-grid{grid-template-columns:1fr;} }
.expertise-card{
  background:var(--ink); padding:36px 32px;
  transition:background .3s;
}
.expertise-card:hover{background:var(--ink-2);}
.expertise-card .num{font-family:var(--font-mono); font-size:12px; color:var(--text-on-dark-dim);}
.expertise-card h3{font-size:20px; margin:16px 0 14px;}
.expertise-card ul li{
  font-size:14.5px; color:var(--text-on-dark-dim); padding:5px 0 5px 16px; position:relative;
}
.expertise-card ul li::before{content:"—"; position:absolute; left:0; color:var(--gold);}
.expertise-card.ai{
  background:linear-gradient(160deg, rgba(111,107,216,.16), rgba(69,182,164,.08));
}
.expertise-card.ai .tag{
  display:inline-block; font-family:var(--font-mono); font-size:11px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--violet); border:1px solid rgba(111,107,216,.5);
  padding:4px 10px; border-radius:100px; margin-bottom:14px;
}

/* ---------- PROJECTS ---------- */
.proj-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media (max-width:980px){ .proj-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .proj-grid{grid-template-columns:1fr;} }
.proj-card{
  background:var(--paper-2);
  border:1px solid rgba(20,19,26,.08);
  border-radius:18px;
  overflow:hidden;
  display:flex; flex-direction:column;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.proj-card:hover{ transform:translateY(-5px); box-shadow:0 24px 40px -20px rgba(20,19,26,.25); }
.proj-media{
  aspect-ratio:16/10;
  display:flex; align-items:center; justify-content:center;
  position:relative;
}
.proj-media span{
  font-family:var(--font-display); font-size:15px; color:rgba(255,255,255,.85);
  padding:0 20px; text-align:center;
}
.proj-body{ padding:24px 24px 26px; display:flex; flex-direction:column; gap:10px; flex:1;}
.proj-cat{ font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-on-light-dim);}
.proj-body h3{ font-size:20px; }
.proj-body p{ font-size:14.5px; color:var(--text-on-light-dim); flex:1;}
.proj-link{ font-size:13.5px; font-weight:600; display:inline-flex; align-items:center; gap:6px; margin-top:4px;}
.proj-link .arrow{transition:transform .25s;}
.proj-card:hover .proj-link .arrow{transform:translateX(4px);}

/* ---------- AI JOURNEY / TIMELINE ---------- */
.journey-list{ display:flex; flex-direction:column; }
.journey-item{
  display:grid; grid-template-columns:160px 1fr; gap:32px;
  padding:30px 0; border-top:1px solid rgba(255,255,255,.08);
}
.journey-item:last-child{border-bottom:1px solid rgba(255,255,255,.08);}
@media (max-width:640px){ .journey-item{grid-template-columns:1fr; gap:8px;} }
.journey-date{ font-family:var(--font-mono); font-size:13px; color:var(--text-on-dark-dim);}
.journey-status{
  display:inline-block; font-family:var(--font-mono); font-size:10.5px; letter-spacing:.08em;
  text-transform:uppercase; padding:3px 9px; border-radius:100px; margin-top:8px;
}
.journey-status.done{ background:rgba(69,182,164,.15); color:var(--teal); }
.journey-status.progress{ background:rgba(227,178,60,.15); color:var(--gold); }
.journey-status.next{ background:rgba(111,107,216,.15); color:var(--violet); }
.journey-content h4{ font-size:19px; margin-bottom:8px;}
.journey-content p{ font-size:15px; color:var(--text-on-dark-dim); max-width:60ch;}

/* ---------- AI TOPIC TAGS ---------- */
.tag-cloud{ display:flex; flex-wrap:wrap; gap:10px; }
.tag-pill{
  font-family:var(--font-mono); font-size:12.5px;
  border:1px solid rgba(255,255,255,.16);
  padding:9px 16px; border-radius:100px; color:var(--text-on-dark-dim);
}

/* ---------- METHOD ---------- */
.method-track{
  display:grid; grid-template-columns:repeat(6,1fr); gap:1px;
  background:rgba(20,19,26,.1);
  border:1px solid rgba(20,19,26,.1);
  border-radius:16px; overflow:hidden;
}
@media (max-width:980px){ .method-track{grid-template-columns:repeat(3,1fr);} }
@media (max-width:560px){ .method-track{grid-template-columns:1fr;} }
.method-step{ background:var(--paper-2); padding:26px 20px; }
.method-step .n{font-family:var(--font-mono); font-size:12px; color:#3F3B46; font-weight:600;}
.method-step h4{ font-size:16px; margin:12px 0 8px; color:#17151C;}
.method-step p{ font-size:13.5px; color:#4B4752;}

/* ---------- BLOG PROMO ---------- */
.blog-promo{
  border-radius:24px;
  padding:70px 60px;
  background:linear-gradient(155deg, var(--ink-3), var(--ink));
  border:1px solid rgba(255,255,255,.08);
  display:grid; grid-template-columns:1.2fr .8fr; gap:50px; align-items:start;
}
@media (max-width:900px){ .blog-promo{grid-template-columns:1fr; padding:44px 28px;} }
.blog-promo h2{ font-size:clamp(30px,4vw,46px); }
.blog-mark{ font-family:var(--font-mono); letter-spacing:.02em; }
.blog-promo p{ margin-top:18px; color:var(--text-on-dark-dim); font-size:16.5px; max-width:52ch;}
.blog-cards{ display:flex; flex-direction:column; gap:14px;}
.blog-card-mini{
  border:1px solid rgba(255,255,255,.1); border-radius:12px; padding:16px 18px;
  font-size:13.5px; color:var(--text-on-dark-dim);
}
.blog-card-mini b{ display:block; color:var(--text-on-dark); font-size:15px; margin-bottom:4px; font-weight:500;}

/* ---------- CONTACT ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:start;}
@media (max-width:860px){ .contact-grid{grid-template-columns:1fr; gap:44px;} }
.contact-links{ display:flex; flex-direction:column; gap:18px; margin-top:38px;}
.contact-link{
  display:flex; align-items:center; gap:14px;
  padding:16px 20px; border:1px solid rgba(255,255,255,.12); border-radius:14px;
  font-size:15px; transition:border-color .2s, transform .2s;
}
.contact-link:hover{ border-color:var(--gold); transform:translateX(4px);}
.form{ display:flex; flex-direction:column; gap:16px; }
.form label{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--text-on-dark-dim); margin-bottom:7px; display:block;}
.form input, .form textarea{
  width:100%; background:var(--ink-2); border:1px solid rgba(255,255,255,.14);
  border-radius:10px; padding:13px 15px; color:var(--text-on-dark); font-family:var(--font-body); font-size:15px;
}
.form input:focus, .form textarea:focus{ border-color:var(--gold); outline:none;}
.form textarea{ resize:vertical; min-height:120px; }

/* ---------- FOOTER ---------- */
footer{ border-top:1px solid rgba(255,255,255,.08); padding:40px 0; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
.footer-row small{ color:var(--text-on-dark-dim); font-size:12.5px;}
.footer-links{ display:flex; gap:22px; }
.footer-links a{ font-size:12.5px; color:var(--text-on-dark-dim);}
.footer-links a:hover{ color:var(--text-on-dark);}

/* ---------- REVEAL ANIM ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- SUBPAGE (case studies / articles) shared bits ---------- */
.subpage-hero{
  padding:170px 0 70px;
}
.subpage-hero .meta-row{
  display:flex; flex-wrap:wrap; gap:10px 26px; margin-top:28px;
  font-family:var(--font-mono); font-size:12.5px; color:var(--text-on-dark-dim);
}
.subpage-hero h1{ font-size:clamp(34px,5.2vw,58px); max-width:16ch;}
.back-link{ font-size:13.5px; color:var(--text-on-dark-dim); display:inline-flex; gap:8px; align-items:center;}
.back-link:hover{ color:var(--text-on-dark);}
.case-body{ padding:70px 0 110px; }
.case-cols{ display:grid; grid-template-columns:220px 1fr; gap:60px;}
@media (max-width:860px){ .case-cols{grid-template-columns:1fr; gap:36px;} }
.case-side{ position:sticky; top:110px; align-self:start; display:flex; flex-direction:column; gap:26px;}
.side-block b{ display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--text-on-dark-dim); margin-bottom:8px;}
.side-block span, .side-block li{ font-size:14.5px; }
.side-block ul li{ padding:3px 0; }
.case-main h2{ font-size:26px; margin:44px 0 16px;}
.case-main h2:first-child{ margin-top:0; }
.case-main p{ font-size:16.5px; color:var(--text-on-dark-dim); margin-bottom:16px; max-width:70ch;}
.result-chips{ display:flex; flex-wrap:wrap; gap:14px; margin-top:10px;}
.result-chip{
  border:1px solid rgba(255,255,255,.14); border-radius:14px; padding:18px 22px; min-width:130px;
}
.result-chip b{ font-family:var(--font-display); font-size:28px; display:block; }
.result-chip span{ font-size:12.5px; color:var(--text-on-dark-dim);}

/* article */
.article-body{ padding:60px 0 110px; }
.article-cols{ display:grid; grid-template-columns:1fr; gap:0; max-width:760px; margin:0 auto;}
.article-cols h2{ font-size:26px; margin:40px 0 14px;}
.article-cols p{ font-size:17.5px; color:var(--text-on-dark-dim); margin-bottom:18px;}
.article-cols ul{ margin:0 0 18px; padding-left:20px; list-style:disc; color:var(--text-on-dark-dim);}
.article-cols li{ margin-bottom:8px; font-size:16.5px;}
.article-meta{ display:flex; gap:20px; flex-wrap:wrap; font-family:var(--font-mono); font-size:12.5px; color:var(--text-on-dark-dim); margin-top:24px;}

/* blog hub */
.blog-hero{ padding:170px 0 60px; }
.cat-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:30px;}
.cat-pill{ font-family:var(--font-mono); font-size:12.5px; border:1px solid rgba(255,255,255,.16); padding:8px 15px; border-radius:100px; color:var(--text-on-dark-dim);}
.cat-pill.active{ background:var(--thread); color:#0A0A0D; border-color:transparent; font-weight:600;}
.article-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; padding:12px 0 72px;}
@media (max-width:980px){ .article-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .article-grid{grid-template-columns:1fr;} }
.article-card{ border:1px solid rgba(255,255,255,.1); border-radius:18px; padding:26px; display:flex; flex-direction:column; gap:12px; transition:border-color .25s, transform .25s;}
.article-card:hover{ border-color:var(--gold); transform:translateY(-4px);}
.article-card .cat{ font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--gold);}
.article-card h3{ font-size:19px; }
.article-card p{ font-size:14.5px; color:var(--text-on-dark-dim); flex:1;}
.article-card .meta{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-on-dark-dim);}

.contact-email-note{opacity:.7; cursor:default;}

/* Private portfolio CTA */
.portfolio-private{max-width:900px;margin:0 auto;text-align:center;padding:20px 0;}
.portfolio-private h2{margin:16px auto 18px;max-width:18ch;}
.portfolio-private .lede{margin:0 auto 28px;max-width:760px;}

/* v5 — language switch, mobile nav and content refinements */
.lang-switch{display:flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;color:var(--text-on-dark-dim);}
.lang-btn{appearance:none;border:0;background:none;padding:4px 2px;color:var(--text-on-dark-dim);font:inherit;letter-spacing:.08em;cursor:pointer;}
.lang-btn.active,.lang-btn:hover{color:var(--gold);}
#google_translate_element,.goog-te-banner-frame,.goog-te-gadget{display:none!important;}
body{top:0!important;}
.footer-signature{display:flex;flex-direction:column;gap:5px;}
.footer-signature .ai-build{font-size:10.5px;opacity:.65;letter-spacing:.015em;}
@media (min-width:901px){
  .expertise-card ul li{white-space:nowrap;font-size:13.5px;}
}
@media (max-width:860px){
  .nav{z-index:1000;}
  .nav-toggle{position:relative;z-index:1002;font-size:25px;line-height:1;cursor:pointer;padding:8px;}
  .nav-links{z-index:1001;height:100dvh;overflow-y:auto;visibility:hidden;pointer-events:none;}
  .nav-links.open{visibility:visible;pointer-events:auto;}
  .nav-links .lang-switch{margin-top:8px;}
  body.menu-open{overflow:hidden;}
}
/* Hover credenciales verificadas */
.journey-date a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
  cursor: pointer;
}

.journey-date a:hover {
  color: var(--gold);
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}
/* Portfolio privado - sección más compacta */
#portfolio.section-pad {
  padding-top: 70px;
  padding-bottom: 70px;
}
/* Artículos - reducir espacio entre cabecera y contenido */
.article-hero {
  padding-bottom: 25px;
}

.article-body {
  padding-top: 25px;
}

/* ---------- AI JOURNEY COMPACT + CERTIFICACIONES ---------- */
#ai-journey.section-pad{padding-top:68px;padding-bottom:68px;}
.journey-list-compact .journey-item{padding:21px 0;}
.journey-list-compact .journey-content h4{font-size:18px;margin-bottom:6px;}
.journey-list-compact .journey-content p{font-size:14.5px;line-height:1.55;}
.journey-more{margin-top:24px;display:flex;justify-content:flex-end;}
.certifications-link{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--text-on-light);border-bottom:1px solid rgba(20,19,26,.28);padding-bottom:4px;transition:color .2s,border-color .2s,gap .2s;}
.certifications-link:hover{color:var(--violet);border-color:var(--violet);gap:13px;}

.certifications-page{padding:145px 0 90px;min-height:70vh;}
.certifications-intro{max-width:760px;margin-bottom:48px;}
.certifications-intro h1{font-size:clamp(42px,6vw,70px);margin:18px 0 20px;}
.certifications-intro p{color:var(--text-on-light-dim);font-size:17px;max-width:68ch;}
.cert-group{margin-top:46px;}
.cert-group-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.cert-group-head h2{font-size:26px;}
.cert-group-head::after{content:"";height:1px;flex:1;background:rgba(20,19,26,.12);}
.cert-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.cert-card{background:#fff;border:1px solid rgba(20,19,26,.1);border-radius:16px;padding:24px;display:flex;flex-direction:column;min-height:190px;box-shadow:0 8px 28px rgba(20,19,26,.035);}
.cert-card .cert-meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-on-light-dim);margin-bottom:12px;}
.cert-card h3{font-size:21px;margin-bottom:10px;}
.cert-card p{font-size:14.5px;color:var(--text-on-light-dim);flex:1;}
.cert-card a{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:13.5px;font-weight:600;color:var(--text-on-light);}
.cert-card a:hover{color:var(--violet);}
.cert-card .cert-no-link{display:inline-flex;margin-top:18px;font-size:13px;color:var(--text-on-light-dim);}
.cert-back{margin-top:46px;}
@media (max-width:760px){
  #ai-journey.section-pad{padding-top:56px;padding-bottom:56px;}
  .journey-more{justify-content:flex-start;}
  .certifications-page{padding:120px 0 70px;}
  .cert-grid{grid-template-columns:1fr;}
  .certifications-intro{margin-bottom:36px;}
}

/* Launch refinements — 2026-08-13 */
.blog-card-mini{display:block;transition:border-color .25s,transform .25s,background .25s;}
.blog-card-mini:hover{border-color:var(--gold);transform:translateX(4px);background:rgba(255,255,255,.025);}
.contact-link{justify-content:space-between;}
.contact-link-label{font-weight:500;}
.form-note{font-size:12px;color:var(--text-on-dark-dim);margin-top:2px;}
.portfolio-form{max-width:700px;margin:34px auto 0;text-align:left;}
.portfolio-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-light label{color:var(--text-on-light-dim);}
.form-light input,.form-light textarea{background:#fff;color:var(--text-on-light);border-color:rgba(20,19,26,.18);}
.form-light input:focus,.form-light textarea:focus{border-color:var(--violet);}
.portfolio-submit{align-self:center;border:none;margin-top:6px;}
@media(max-width:640px){
  .nav.scrolled,.nav.nav-solid{background:#0A0A0D;-webkit-backdrop-filter:none;backdrop-filter:none;padding:14px 22px;}
  .blog-hero{padding-top:125px;}
  .portfolio-form-grid{grid-template-columns:1fr;}
  .portfolio-private{text-align:left;}
  .portfolio-submit{align-self:flex-start;}
}

.form-success[hidden]{display:none;}
.form-success{margin-top:8px;font-size:14px;}


/* ============================================================
   WOW DETAILS — signature intro + subtle cursor halo
   ============================================================ */
.cursor-halo{
  --halo-x:50vw; --halo-y:50vh;
  position:fixed; inset:0; z-index:4;
  pointer-events:none;
  opacity:0;
  transition:opacity .35s ease;
  background:
    radial-gradient(440px circle at var(--halo-x) var(--halo-y),
      rgba(228,102,123,.065) 0%,
      rgba(227,178,60,.045) 22%,
      rgba(69,182,164,.038) 44%,
      rgba(111,107,216,.028) 62%,
      transparent 74%);
}
.cursor-halo.is-on{opacity:1;}
.on-dark{isolation:isolate;}
.on-dark > *{position:relative;z-index:5;}

.form-success{
  line-height:1.5;
  opacity:0;
  transform:translateY(5px);
  transition:opacity .35s var(--ease), transform .35s var(--ease);
}
.form-success.is-visible{opacity:1;transform:translateY(0);}

@media (max-width:900px), (hover:none), (pointer:coarse){
  .cursor-halo{display:none;}
}
@media (max-width:640px){
}
@media (prefers-reduced-motion:reduce){
  .cursor-halo{display:none;}
}


/* Privacy & cookie consent */
.privacy-check{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--text-on-dark-dim);line-height:1.5}
.privacy-check input{width:auto;margin-top:3px;accent-color:var(--gold)}
.privacy-check label{font-family:var(--font-body,Inter,sans-serif);font-size:12.5px;letter-spacing:0;text-transform:none;margin:0}
.privacy-check a{color:var(--gold);text-decoration:underline;text-underline-offset:2px}
.cookie-banner{position:fixed;left:18px;right:18px;bottom:18px;z-index:9999;display:none;max-width:980px;margin:0 auto;background:#111824;color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:18px;box-shadow:0 22px 60px rgba(0,0,0,.32);padding:18px 20px}
.cookie-banner.is-visible{display:block}
.cookie-banner-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cookie-banner strong{display:block;margin-bottom:5px;font-size:14px}
.cookie-banner p{margin:0 0 5px;color:rgba(255,255,255,.74);font-size:13px;line-height:1.5}
.cookie-banner a{color:#fff;font-size:12px;text-decoration:underline;text-underline-offset:3px}
.cookie-actions{display:flex;gap:10px;flex:0 0 auto}
.cookie-btn{appearance:none;border:1px solid rgba(255,255,255,.42);background:transparent;color:#fff;border-radius:999px;padding:10px 16px;font:600 12.5px Inter,sans-serif;cursor:pointer;min-width:128px}
.cookie-btn:hover,.cookie-btn:focus-visible{background:#fff;color:#111824;outline:none}
.legal-page{padding:150px 0 80px;min-height:70vh}
.legal-page .wrap{max-width:850px}
.legal-page h1{font-size:clamp(38px,6vw,64px);margin:16px 0 10px}
.legal-page h2{font-size:22px;margin:34px 0 10px}
.legal-page p{font-size:16px;line-height:1.75;color:var(--text-on-light-dim);max-width:78ch}
.legal-page a{color:var(--violet);text-decoration:underline;text-underline-offset:3px}
.legal-updated{font-size:13px!important;margin-bottom:38px}
@media(max-width:720px){.cookie-banner{left:10px;right:10px;bottom:10px;padding:16px}.cookie-banner-inner{align-items:stretch;flex-direction:column;gap:14px}.cookie-actions{display:grid;grid-template-columns:1fr 1fr}.cookie-btn{min-width:0;padding:11px 10px}.footer-links{flex-wrap:wrap}.legal-page{padding-top:120px}}


.form-privacy-note{font-size:.84rem;line-height:1.55;opacity:.72;margin:2px 0 6px;max-width:620px}.form-privacy-note a{text-decoration:underline;text-underline-offset:2px}