/* ==========================================================================
   zvromero.com — design system
   Adán Romero · portfolio
   Edit tokens here; everything else follows.
   ========================================================================== */

:root{
  /* palette */
  --bg:         #08090b;
  --bg-2:       #0e1014;
  --surface:    #14171c;
  --surface-2:  #1b1f26;
  --line:       rgba(255,255,255,.10);
  --line-soft:  rgba(255,255,255,.06);
  --txt:        #f2f4f7;
  --muted:      #99a1ad;
  --muted-2:    #6d757f;
  --accent:     #2f8fe0;   /* brightened from the Framer blue for contrast on dark */
  --accent-deep:#1870b8;   /* original site accent */
  --accent-soft:rgba(47,143,224,.14);
  --wa:         #25d366;

  /* type */
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* rhythm */
  --pad: clamp(20px, 5vw, 64px);
  --maxw: 1240px;
  --radius: 14px;
  --radius-lg: 22px;

  /* motion */
  --ease: cubic-bezier(.22,.61,.36,1);
}

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

html{
  scroll-behavior:smooth;
  scroll-padding-top:84px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

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

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

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--pad);
}

.section{ padding-block:clamp(64px,10vw,128px); }
.section--tight{ padding-block:clamp(48px,7vw,88px); }
.section--alt{ background:var(--bg-2); }

.eyebrow{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 18px;
}
.eyebrow::before{
  content:"";
  width:28px; height:2px;
  background:var(--accent);
  flex:none;
}

h1,h2,h3,h4{
  margin:0 0 .5em;
  line-height:1.08;
  letter-spacing:-.03em;
  font-weight:800;
}
h1{ font-size:clamp(38px,6.5vw,76px); }
h2{ font-size:clamp(28px,4.2vw,48px); }
h3{ font-size:clamp(19px,2.2vw,26px); letter-spacing:-.02em; }
p{ margin:0 0 1.1em; }
p:last-child{ margin-bottom:0; }

.lead{
  font-size:clamp(17px,1.7vw,20px);
  color:var(--muted);
  max-width:62ch;
  line-height:1.6;
}
.muted{ color:var(--muted); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn{
  --btn-bg:transparent;
  --btn-fg:var(--txt);
  --btn-bd:var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border:1px solid var(--btn-bd);
  border-radius:999px;
  background:var(--btn-bg);
  color:var(--btn-fg);
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .25s var(--ease), background .25s var(--ease),
             border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);
}
.btn--primary{
  --btn-bg:var(--accent);
  --btn-bd:var(--accent);
  --btn-fg:#fff;
  box-shadow:0 8px 30px -12px rgba(47,143,224,.9);
}
.btn--primary:hover{
  background:#3d9bea;
  border-color:#3d9bea;
  box-shadow:0 14px 38px -12px rgba(47,143,224,1);
}
.btn--ghost{ backdrop-filter:blur(10px); background:rgba(10,12,16,.34); }
.btn svg{ width:17px; height:17px; flex:none; }

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:80;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(8,9,11,.82);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--line-soft);
}
.nav{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.02em;
  font-size:15px;
  margin-right:auto;
}
.brand .mark{
  width:30px; height:30px;
  display:grid; place-items:center;
  border-radius:9px;
  background:linear-gradient(140deg,var(--accent),var(--accent-deep));
  color:#fff;
  font-size:12px;
  font-weight:800;
  letter-spacing:0;
}
.brand small{
  display:block;
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted-2);
  margin-top:-2px;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  display:block;
  padding:9px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover{ color:var(--txt); background:rgba(255,255,255,.06); }
.nav-links a[aria-current="page"]{ color:var(--txt); background:rgba(255,255,255,.08); }

/* language toggle */
.lang{
  display:inline-flex;
  padding:3px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
}
.lang button{
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  padding:5px 11px;
  border-radius:999px;
  cursor:pointer;
  transition:.2s var(--ease);
}
.lang button[aria-pressed="true"]{ background:var(--accent); color:#fff; }

/* mobile menu */
.nav-toggle{
  display:none;
  width:40px; height:40px;
  border:1px solid var(--line);
  border-radius:11px;
  background:rgba(255,255,255,.04);
  cursor:pointer;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:16px; height:1.5px;
  background:var(--txt);
  position:relative;
  transition:.25s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0;
  width:16px; height:1.5px; background:var(--txt);
  transition:.25s var(--ease);
}
.nav-toggle span::before{ top:-5px; }
.nav-toggle span::after{ top:5px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ top:0; transform:rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ top:0; transform:rotate(-45deg); }

@media (max-width:860px){
  .nav-toggle{ display:grid; }
  .nav-links{
    position:fixed;
    inset:68px 0 auto 0;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:14px var(--pad) 26px;
    background:rgba(8,9,11,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:.28s var(--ease);
  }
  .nav-links.is-open{ transform:none; opacity:1; pointer-events:auto; }
  .nav-links a{ padding:14px 16px; font-size:16px; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  isolation:isolate;
}
.hero--page{ min-height:min(78svh,720px); }

.hero-media{
  position:absolute; inset:0;
  z-index:-2;
}
.hero-media img{
  width:100%; height:100%;
  object-fit:cover;
  object-position:center;
  transform:scale(1.04);
  animation:heroDrift 22s var(--ease) forwards;
}
@keyframes heroDrift{ to{ transform:scale(1); } }

.hero::after{
  content:"";
  position:absolute; inset:0;
  z-index:-1;
  background:
    radial-gradient(120% 80% at 15% 90%, rgba(8,9,11,.94) 0%, rgba(8,9,11,.55) 45%, rgba(8,9,11,.25) 100%),
    linear-gradient(180deg, rgba(8,9,11,.78) 0%, rgba(8,9,11,.18) 34%, rgba(8,9,11,.86) 100%);
}

.hero-inner{ padding-block:clamp(64px,12vh,140px); width:100%; }

.hero h1{
  margin:0;
  font-size:clamp(46px,10.5vw,124px);
  line-height:.92;
  letter-spacing:-.045em;
}
.hero h1 .thin{
  display:block;
  font-weight:300;
  color:rgba(255,255,255,.9);
}
.hero .role{
  display:flex;
  align-items:center;
  gap:14px;
  margin:22px 0 0;
  font-size:clamp(12px,1.5vw,14px);
  font-weight:600;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--muted);
}
.hero .role::before{
  content:"";
  width:44px; height:1px;
  background:var(--accent);
  flex:none;
}
.hero .hero-copy{
  margin-top:26px;
  max-width:52ch;
  color:rgba(255,255,255,.72);
  font-size:clamp(15px,1.6vw,17.5px);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}

.scroll-cue{
  position:absolute;
  left:var(--pad); bottom:22px;
  display:flex; align-items:center; gap:10px;
  font-size:11px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted-2);
}
.scroll-cue i{
  display:block; width:1px; height:34px;
  background:linear-gradient(var(--accent),transparent);
  animation:cue 2.2s var(--ease) infinite;
}
@keyframes cue{ 0%,100%{ opacity:.3; transform:scaleY(.6); } 50%{ opacity:1; transform:scaleY(1); } }
@media (max-width:860px){ .scroll-cue{ display:none; } }

/* page hero (about / resume / work / case studies) */
.page-hero{ position:relative; }
.page-hero .hero-inner{ padding-block:clamp(118px,16vh,168px) clamp(44px,7vh,80px); }
.hero--page h1{
  font-size:clamp(36px,5.6vw,70px);
  line-height:1;
  letter-spacing:-.035em;
  max-width:16ch;
}
.hero--page .hero-copy{ margin-top:18px; }
.hero--page .eyebrow a{ border-bottom:1px solid currentColor; }

/* --------------------------------------------------------------------------
   Work grid + cards
   -------------------------------------------------------------------------- */

.filters{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:34px;
}
.filters button{
  padding:9px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  color:var(--muted);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:.22s var(--ease);
}
.filters button:hover{ color:var(--txt); border-color:rgba(255,255,255,.26); }
.filters button[aria-pressed="true"]{
  background:var(--accent); border-color:var(--accent); color:#fff;
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:clamp(14px,2vw,24px);
}
.grid--2{ grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr)); }

.card{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line-soft);
  isolation:isolate;
  transition:transform .4s var(--ease), border-color .3s var(--ease), box-shadow .4s var(--ease);
}
.card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 26px 60px -30px rgba(0,0,0,.95);
}
.card__media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--surface-2);
}
.card--tall .card__media{ aspect-ratio:3/4; }
.card--wide .card__media{ aspect-ratio:16/9; }
.card__media img,.card__media video{
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .7s var(--ease), filter .5s var(--ease);
}
.card:hover .card__media img{ transform:scale(1.055); }
.card__body{
  position:absolute;
  inset:auto 0 0 0;
  padding:20px 22px;
  background:linear-gradient(transparent, rgba(6,7,9,.92) 58%);
}
.card__tag{
  display:inline-block;
  padding:4px 11px;
  border-radius:999px;
  background:var(--accent-soft);
  border:1px solid rgba(47,143,224,.35);
  color:#9ccbf3;
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:9px;
}
.card__title{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.02em;
  margin:0;
}
.card__meta{
  margin:5px 0 0;
  font-size:13.5px;
  color:var(--muted);
}
.card__arrow{
  position:absolute;
  top:16px; right:16px;
  width:36px; height:36px;
  display:grid; place-items:center;
  border-radius:50%;
  background:rgba(8,9,11,.6);
  border:1px solid var(--line);
  backdrop-filter:blur(8px);
  opacity:0;
  transform:translate(-4px,4px);
  transition:.35s var(--ease);
}
.card:hover .card__arrow{ opacity:1; transform:none; }
.card__arrow svg{ width:15px; height:15px; }

/* --------------------------------------------------------------------------
   Media gallery (case studies)
   -------------------------------------------------------------------------- */

/* Masonry via CSS columns: every piece keeps its own proportions, nothing
   gets cropped — which matters when the work is the product. */
.gallery{
  columns:3;
  column-gap:clamp(12px,1.6vw,18px);
}
@media (max-width:1000px){ .gallery{ columns:2; } }
@media (max-width:620px){  .gallery{ columns:1; } }

.gallery figure{
  break-inside:avoid;
  -webkit-column-break-inside:avoid;
  margin:0 0 clamp(12px,1.6vw,18px);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--surface-2);
  border:1px solid var(--line-soft);
  cursor:zoom-in;
  transition:border-color .3s var(--ease);
}
.gallery figure:hover{ border-color:rgba(255,255,255,.2); }
.gallery img,.gallery video{
  width:100%;
  height:auto;
  display:block;
  transition:transform .6s var(--ease);
}
.gallery figure:hover img{ transform:scale(1.035); }

/* lightbox */
.lightbox{
  position:fixed; inset:0; z-index:200;
  display:none;
  place-items:center;
  padding:clamp(16px,4vw,56px);
  background:rgba(4,5,7,.94);
  backdrop-filter:blur(8px);
}
.lightbox.is-open{ display:grid; }
.lightbox img,.lightbox video{
  max-width:100%;
  max-height:88svh;
  border-radius:10px;
  object-fit:contain;
}
.lightbox__close{
  position:absolute; top:18px; right:18px;
  width:44px; height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  font-size:20px;
  line-height:1;
}

/* --------------------------------------------------------------------------
   Facts / stats / skills
   -------------------------------------------------------------------------- */

.split{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));
  gap:clamp(28px,5vw,72px);
  align-items:start;
}

.pill-list{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  list-style:none;
  margin:0; padding:0;
}
.pill-list li{
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.035);
  font-size:13.5px;
  font-weight:500;
  color:var(--txt);
}

.timeline{ list-style:none; margin:0; padding:0; position:relative; }
.timeline::before{
  content:"";
  position:absolute;
  left:5px; top:8px; bottom:8px;
  width:1px;
  background:linear-gradient(var(--accent), var(--line), transparent);
}
.timeline li{
  position:relative;
  padding:0 0 30px 30px;
}
.timeline li::before{
  content:"";
  position:absolute;
  left:0; top:8px;
  width:11px; height:11px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--accent);
}
.timeline h3{
  font-size:16.5px;
  font-weight:700;
  letter-spacing:.02em;
  text-transform:uppercase;
  margin:0 0 4px;
}
.timeline p{ font-size:14.5px; color:var(--muted); margin:0; }
.timeline .when{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:6px;
}

.facts{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  overflow:hidden;
}
.facts div{ background:var(--bg-2); padding:22px 20px; }
.facts b{
  display:block;
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--txt);
}
.facts span{ font-size:12.5px; color:var(--muted); letter-spacing:.04em; }

/* label-above-value variant (services, case-study meta) */
.facts--svc div{ padding:26px 22px; }
.facts--svc b{
  font-size:17px;
  letter-spacing:-.01em;
  margin-bottom:8px;
}
.facts--svc span{ line-height:1.55; }
.facts--meta span{
  display:block;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:7px;
}
.facts--meta b{ font-size:16px; font-weight:600; letter-spacing:-.01em; line-height:1.5; }

/* --------------------------------------------------------------------------
   Contact form
   -------------------------------------------------------------------------- */

.form{ display:grid; gap:14px; max-width:560px; }
.field{ display:grid; gap:7px; }
.field label{
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
}
.field input,.field textarea{
  width:100%;
  padding:13px 15px;
  border:1px solid var(--line);
  border-radius:11px;
  background:rgba(255,255,255,.035);
  color:var(--txt);
  font:inherit;
  font-size:15px;
  transition:.2s var(--ease);
}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  background:rgba(47,143,224,.07);
}
.field textarea{ min-height:130px; resize:vertical; }
.field--row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
@media (max-width:560px){ .field--row{ grid-template-columns:1fr; } }

/* honeypot — must stay invisible and un-focusable for humans */
.hp{
  position:absolute !important;
  left:-9999px !important;
  width:1px; height:1px;
  opacity:0;
}

.form-status{
  font-size:14px;
  padding:12px 15px;
  border-radius:11px;
  display:none;
}
.form-status.is-ok{ display:block; background:rgba(37,211,102,.12); border:1px solid rgba(37,211,102,.35); color:#8ee7b0; }
.form-status.is-err{ display:block; background:rgba(224,79,79,.12); border:1px solid rgba(224,79,79,.35); color:#f0a3a3; }

/* --------------------------------------------------------------------------
   Floating WhatsApp
   -------------------------------------------------------------------------- */

.wa-float{
  position:fixed;
  right:clamp(14px,3vw,26px);
  bottom:clamp(14px,3vw,26px);
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 20px 13px 15px;
  border-radius:999px;
  background:var(--wa);
  color:#04240f;
  font-size:14.5px;
  font-weight:700;
  box-shadow:0 12px 34px -12px rgba(37,211,102,.75);
  transition:transform .28s var(--ease), box-shadow .28s var(--ease);
}
.wa-float:hover{ transform:translateY(-3px); box-shadow:0 18px 44px -12px rgba(37,211,102,.9); }
.wa-float svg{ width:22px; height:22px; fill:currentColor; flex:none; }
@media (max-width:560px){
  .wa-float{ padding:14px; }
  .wa-float span{ display:none; }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer{
  border-top:1px solid var(--line-soft);
  background:var(--bg-2);
  padding-block:clamp(44px,7vw,72px) 28px;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  justify-content:space-between;
  align-items:flex-end;
  padding-bottom:32px;
  border-bottom:1px solid var(--line-soft);
}
.footer-top h2{ margin:0; max-width:14ch; }
.socials{ display:flex; gap:10px; }
.socials a{
  width:42px; height:42px;
  display:grid; place-items:center;
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--muted);
  transition:.24s var(--ease);
}
.socials a:hover{ color:var(--txt); border-color:rgba(255,255,255,.3); background:rgba(255,255,255,.06); transform:translateY(-2px); }
.socials svg{ width:19px; height:19px; fill:currentColor; }
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  justify-content:space-between;
  padding-top:24px;
  font-size:13px;
  color:var(--muted-2);
}

/* --------------------------------------------------------------------------
   Reveal on scroll
   -------------------------------------------------------------------------- */

[data-reveal]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{ opacity:1; transform:none; }
}

/* --------------------------------------------------------------------------
   i18n visibility helper — set by js/i18n.js
   -------------------------------------------------------------------------- */
html[lang="es"] [data-only="en"]{ display:none !important; }
html[lang="en"] [data-only="es"]{ display:none !important; }