/* =====================================================
   Portafolio — Lic. Otilio Morla
   Hoja de estilos
   ===================================================== */

:root{
  --ink:#0F1B2D;
  --ink-surface:#16273D;
  --ink-surface-2:#1C3049;
  --parchment:#F3EDE0;
  --parchment-dim:#E4DBC8;
  --brass:#B08D57;
  --brass-light:#CBAA76;
  --burgundy:#6B2530;
  --slate:#93A6B9;
  --slate-dim:#5E7188;
  --line:rgba(176,141,87,0.25);
  --radius:2px;
  --header-h:74px;
  --error:#C0685A;
}

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

html{scroll-behavior:smooth;}

body{
  background:var(--ink);
  color:var(--parchment);
  font-family:'Source Serif 4', serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body.menu-open{ overflow:hidden; }

::selection{background:var(--brass); color:var(--ink);}

a{color:inherit; text-decoration:none;}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--brass-light);
}

h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:500;
  color:var(--parchment);
  letter-spacing:-0.01em;
}

.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 40px;
}

@media(max-width:640px){ .container{padding:0 22px;} }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--brass-light);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
  .reveal{ opacity:1 !important; transform:none !important; }
}

/* ============ SEAL SIGNATURE ELEMENT ============ */
.seal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.seal svg{ display:block; }
.seal-ring{ animation:seal-rotate 40s linear infinite; transform-origin:50% 50%; }
@keyframes seal-rotate{ to{ transform:rotate(360deg); } }

/* ============ SCROLL REVEAL ============ */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}
/* stagger children of a group */
.reveal-group .reveal-item{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal-group.in-view .reveal-item{
  opacity:1;
  transform:translateY(0);
}
.reveal-group.in-view .reveal-item:nth-child(1){ transition-delay:.05s; }
.reveal-group.in-view .reveal-item:nth-child(2){ transition-delay:.12s; }
.reveal-group.in-view .reveal-item:nth-child(3){ transition-delay:.19s; }
.reveal-group.in-view .reveal-item:nth-child(4){ transition-delay:.26s; }
.reveal-group.in-view .reveal-item:nth-child(5){ transition-delay:.33s; }

/* ============ HEADER ============ */
header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  background:rgba(15,27,45,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  height:var(--header-h);
  display:flex;
  align-items:center;
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  max-width:1180px;
  margin:0 auto;
  width:100%;
}
@media(max-width:640px){ .nav-inner{padding:0 22px;} }

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:'Fraunces', serif;
  font-size:1.05rem;
  letter-spacing:0.02em;
  color:var(--parchment);
}
.brand small{
  display:block;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.62rem;
  letter-spacing:0.16em;
  color:var(--slate);
  text-transform:uppercase;
  margin-top:2px;
}

nav.links ul{
  display:flex;
  gap:34px;
  list-style:none;
  margin:0;
  padding:0;
}
nav.links a{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.74rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--slate);
  position:relative;
  padding-bottom:4px;
  transition:color .25s ease;
}
nav.links a::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:0%; height:1px;
  background:var(--brass-light);
  transition:width .3s ease;
}
nav.links a:hover{ color:var(--parchment); }
nav.links a:hover::after{ width:100%; }

.nav-right{ display:flex; align-items:center; gap:18px; }

.nav-cta{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  border:1px solid var(--brass);
  color:var(--brass-light);
  padding:9px 18px;
  border-radius:var(--radius);
  transition:background .25s ease, color .25s ease;
}
.nav-cta:hover{ background:var(--brass); color:var(--ink); }

/* ---- hamburger button ---- */
.menu-toggle{
  display:none;
  position:relative;
  width:38px; height:38px;
  background:none;
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
  z-index:210;
}
.menu-toggle .bar{
  position:absolute;
  left:9px; right:9px;
  height:1px;
  background:var(--parchment);
  transition:transform .3s ease, opacity .3s ease, top .3s ease;
}
.menu-toggle .bar:nth-child(1){ top:14px; }
.menu-toggle .bar:nth-child(2){ top:19px; }
.menu-toggle .bar:nth-child(3){ top:24px; }
.menu-toggle[aria-expanded="true"] .bar:nth-child(1){ top:19px; transform:rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bar:nth-child(2){ opacity:0; }
.menu-toggle[aria-expanded="true"] .bar:nth-child(3){ top:19px; transform:rotate(-45deg); }

/* ---- mobile nav panel ---- */
.mobile-menu{
  position:fixed;
  inset:0;
  top:var(--header-h);
  background:rgba(15,27,45,0.98);
  backdrop-filter:blur(8px);
  z-index:200;
  display:flex;
  flex-direction:column;
  padding:38px 32px;
  gap:0;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .3s ease, transform .3s ease, visibility .3s;
}
.mobile-menu.is-open{
  opacity:1;
  transform:translateY(0);
  visibility:visible;
  pointer-events:auto;
}
.mobile-menu ul{
  display:flex;
  flex-direction:column;
  list-style:none;
  margin:0;
  padding:0;
}
.mobile-menu a{
  display:block;
  font-family:'Fraunces', serif;
  font-size:1.5rem;
  color:var(--parchment);
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.mobile-menu .mobile-cta{
  margin-top:28px;
  align-self:flex-start;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.76rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  background:var(--brass);
  color:var(--ink);
  padding:14px 24px;
  border-radius:var(--radius);
}

@media(max-width:860px){
  nav.links{ display:none; }
  .nav-cta{ display:none; }
  .menu-toggle{ display:block; }
}
@media(min-width:861px){
  .mobile-menu{ display:none; }
}

/* ============ HERO ============ */
.hero{
  padding:calc(var(--header-h) + 94px) 0 96px;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(ellipse at 82% 10%, rgba(176,141,87,0.08), transparent 55%),
    var(--ink);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:64px;
  align-items:center;
}
@media(max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero{ padding:calc(var(--header-h) + 66px) 0 64px; }
}

.hero-eyebrow{ display:flex; align-items:center; gap:12px; margin-bottom:26px; }
.hero-eyebrow .rule{ width:34px; height:1px; background:var(--brass); display:inline-block; }

.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.6rem);
  line-height:1.08;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:italic;
  color:var(--brass-light);
  font-weight:400;
}

.hero p.lead{
  font-size:1.08rem;
  color:var(--slate);
  max-width:46ch;
  margin-bottom:38px;
}

.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:48px; }

.btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.76rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:15px 26px;
  border-radius:var(--radius);
  display:inline-flex;
  align-items:center;
  gap:10px;
  transition:all .25s ease;
}
.btn-primary{ background:var(--brass); color:var(--ink); border:1px solid var(--brass); }
.btn-primary:hover{ background:var(--brass-light); border-color:var(--brass-light); }
.btn-primary:disabled{ opacity:0.55; cursor:not-allowed; }
.btn-ghost{ border:1px solid var(--line); color:var(--parchment); }
.btn-ghost:hover{ border-color:var(--brass); color:var(--brass-light); }

.hero-stats{
  display:flex;
  gap:42px;
  padding-top:32px;
  border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.hero-stats div strong{
  display:block;
  font-family:'Fraunces', serif;
  font-size:1.7rem;
  color:var(--parchment);
  font-weight:500;
  white-space:nowrap;
}
.hero-stats div strong.small{ font-size:1.1rem; }
.hero-stats div span{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.66rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--slate-dim);
}

/* photo frame */
.portrait-frame{
  position:relative;
  aspect-ratio:4/5;
  border:1px solid var(--brass);
  padding:14px;
  background:var(--ink-surface);
}
.portrait-photo{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:50% 12%;
  border:1px solid var(--line);
  filter:grayscale(0.08) contrast(1.03);
}
.portrait-frame .seal{
  position:absolute;
  right:-26px; bottom:-26px;
  background:var(--ink);
  border-radius:50%;
  padding:4px;
}
@media(max-width:900px){
  .portrait-frame{ max-width:340px; margin:0 auto; }
}

/* ============ SECTION SHARED ============ */
section{ padding:104px 0; }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:56px;
  border-bottom:1px solid var(--line);
  padding-bottom:28px;
}
.section-head h2{ font-size:clamp(1.7rem, 3vw, 2.3rem); }
.section-head .eyebrow{ margin-bottom:12px; display:block; }
.section-num{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.75rem;
  color:var(--slate-dim);
  letter-spacing:0.05em;
}
@media(max-width:640px){
  .section-head{ flex-direction:column; align-items:flex-start; gap:10px; }
}

/* ============ SOBRE MÍ ============ */
.about{ background:var(--ink-surface); border-bottom:1px solid var(--line); }
.about-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
}
@media(max-width:860px){ .about-grid{ grid-template-columns:1fr; } }
.about p{ color:var(--slate); margin-bottom:18px; max-width:62ch; }
.credentials{
  display:grid;
  gap:0;
  border:1px solid var(--line);
}
.credentials .cred-row{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
}
.credentials .cred-row:last-child{ border-bottom:none; }
.credentials .cred-row span:first-child{ color:var(--slate-dim); letter-spacing:0.04em; }
.credentials .cred-row span:last-child{ color:var(--parchment-dim); text-align:right; }

/* ============ SERVICIOS (Artículos) ============ */
.articles{
  display:grid;
  gap:0;
  border-top:1px solid var(--line);
  list-style:none;
  margin:0;
  padding:0;
}
.article{ border-bottom:1px solid var(--line); }
.article > article{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:36px;
  padding:38px 0;
}
@media(max-width:760px){
  .article > article{ grid-template-columns:1fr; gap:14px; }
}
.article .art-tag{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  color:var(--brass-light);
  letter-spacing:0.08em;
}
.article .art-tag .num{
  display:block;
  font-family:'Fraunces', serif;
  font-size:2.1rem;
  color:var(--parchment-dim);
  font-weight:400;
  margin-bottom:6px;
}
.article h3{ font-size:1.32rem; margin-bottom:10px; }
.article p{ color:var(--slate); max-width:64ch; margin-bottom:14px; }
.article .art-ref{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.04em;
  color:var(--slate-dim);
  text-transform:uppercase;
  border-left:2px solid var(--brass);
  padding-left:10px;
}

/* ============ CONTACTO ============ */
.contact{ background:var(--ink-surface); }
.contact-grid{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:64px;
}
@media(max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-info dl{ margin-bottom:30px; }
.contact-info dt{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--slate-dim);
  margin-bottom:4px;
  margin-top:22px;
}
.contact-info dt:first-child{ margin-top:0; }
.contact-info dd{
  font-size:1.05rem;
  color:var(--parchment-dim);
}
.contact-info dd address{ font-style:normal; }

.social-row{
  display:flex;
  gap:14px;
  margin-top:36px;
  flex-wrap:wrap;
  list-style:none;
  padding:0;
}
.social-link{
  width:44px; height:44px;
  border:1px solid var(--line);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--slate);
  transition:all .25s ease;
}
.social-link:hover{ border-color:var(--brass); color:var(--brass-light); transform:translateY(-2px); }

form.consult{
  display:grid;
  gap:20px;
  border:1px solid var(--line);
  padding:36px;
  background:var(--ink);
}
@media(max-width:520px){ form.consult{ padding:24px; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--slate-dim);
}
.field input, .field select, .field textarea{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
  color:var(--parchment);
  font-family:'Source Serif 4', serif;
  font-size:1rem;
  padding:10px 2px;
}
.field select{
  color-scheme:dark;
}
.field select option{
  background:var(--ink-surface);
  color:var(--parchment);
}
.field textarea{ resize:vertical; min-height:90px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;
  border-bottom-color:var(--brass-light);
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media(max-width:520px){ .field-row{ grid-template-columns:1fr; } }
form.consult .btn-primary{ justify-self:start; border:none; cursor:pointer; margin-top:6px; }

/* ---- validation states ---- */
.field.has-error input,
.field.has-error select,
.field.has-error textarea{
  border-bottom-color:var(--error);
}
.field .error-msg{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.03em;
  color:var(--error);
  min-height:14px;
  display:none;
}
.field.has-error .error-msg{ display:block; }

.form-status{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.76rem;
  letter-spacing:0.04em;
  padding:12px 14px;
  border:1px solid var(--brass);
  color:var(--brass-light);
  display:none;
  margin-top:4px;
}
.form-status.is-visible{ display:block; }

/* ============ FOOTER ============ */
footer{
  padding:44px 0;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
footer .fine{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.05em;
  color:var(--slate-dim);
}