/* ===================================================================
   CODESYS — tokens
=================================================================== */
:root{
  --black:      #0A0A0B;
  --black-2:    #131315;
  --black-3:    #1B1B1E;
  --line:       rgba(237,234,227,0.10);
  --line-strong:rgba(237,234,227,0.22);
  --paper:      #EDEAE3;
  --paper-dim:  #A9A7A0;
  --gray:       #7C7B76;
  --amber:      #FF7A1A;
  --amber-dim:  rgba(255,122,26,0.14);
  --amber-line: rgba(255,122,26,0.45);

  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --ease: cubic-bezier(.16,.8,.24,1);
  --container: 1180px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
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; scroll-behavior:auto !important; }
}

body{
  background: var(--black);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a{ color: inherit; text-decoration: none; }
img{ display:block; max-width:100%; }
ul,ol{ list-style:none; }
button{ font-family: inherit; cursor:pointer; border:none; background:none; color:inherit; }
input,textarea{ font-family: inherit; }

:focus-visible{
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.mono{ font-family: var(--font-mono); letter-spacing: .06em; }

/* faint grain overlay for texture */
.grain{
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ===================================================================
   Reveal-on-scroll
=================================================================== */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================================
   Nav
=================================================================== */
.nav{
  position: fixed; top:0; left:0; right:0;
  z-index: 500;
  padding: 22px 0;
  transition: padding .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled{
  padding: 12px 0;
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}
.nav-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand{
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-mark{ width: 26px; height: auto; filter: brightness(0) invert(1); }
.nav-word{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: .03em;
}
.nav-links{
  display: flex;
  gap: 32px;
  font-size: .92rem;
}
.nav-links a{
  position: relative;
  color: var(--paper-dim);
  transition: color .3s var(--ease);
}
.nav-links a::after{
  content:'';
  position: absolute; left:0; right:0; bottom:-6px;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav-links a:hover{ color: var(--paper); }
.nav-links a:hover::after{ transform: scaleX(1); }

.nav-actions{ display:flex; align-items:center; gap: 18px; }
.nav-phone{
  display: flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: .82rem;
  border: 1px solid var(--line-strong);
  padding: 8px 14px;
  border-radius: 100px;
  transition: border-color .3s var(--ease), background .3s var(--ease);
  white-space: nowrap;
}
.nav-phone .dot{
  width:6px; height:6px; border-radius:50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 var(--amber-dim);
  animation: pulse-dot 2s infinite;
}
.nav-phone:hover{ border-color: var(--amber-line); background: var(--amber-dim); }

.nav-burger{ display:none; flex-direction:column; gap:5px; padding:4px; }
.nav-burger span{ width:22px; height:2px; background:var(--paper); transition: transform .3s var(--ease), opacity .3s var(--ease); }

/* ===================================================================
   Hero
=================================================================== */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 140px 28px 100px;
}
.blueprint-grid{
  position: absolute; inset: -1px;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 88px);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 40%, transparent 85%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 40%, transparent 85%);
  animation: grid-drift 40s linear infinite;
}
.blueprint-grid--right{
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 85% 50%, black 20%, transparent 80%);
          mask-image: radial-gradient(ellipse 70% 90% at 85% 50%, black 20%, transparent 80%);
}
@keyframes grid-drift{
  from{ background-position: 0 0, 0 0; }
  to{ background-position: 88px 0, 0 88px; }
}
.hero-mark{
  position: absolute;
  right: -4%;
  top: 46%;
  transform: translateY(-50%);
  width: min(46vw, 620px);
  opacity: .06;
  filter: brightness(0) invert(1);
  pointer-events: none;
}
.hero-inner{ position: relative; z-index: 2; max-width: 760px; margin: 0 auto; width:100%; }
.eyebrow{
  color: var(--amber);
  font-size: .78rem;
  text-transform: uppercase;
  margin-bottom: 22px;
  display: inline-block;
}
.hero-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: .95;
  letter-spacing: .005em;
  text-transform: uppercase;
}
.hero-title .outline{
  color: transparent;
  -webkit-text-stroke: 1.5px var(--paper);
}
.hero-sub{
  margin-top: 28px;
  max-width: 560px;
  font-size: 1.08rem;
  color: var(--paper-dim);
  line-height: 1.7;
}
.hero-cta{
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.scan-line{
  position: absolute; left:0; right:0; top:0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: .5;
  animation: scan-drop 6s var(--ease) infinite;
}
@keyframes scan-drop{
  0%{ top: 8%; opacity:0; }
  10%{ opacity:.6; }
  90%{ opacity:.6; }
  100%{ top: 92%; opacity:0; }
}

/* ===================================================================
   Buttons
=================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  font-size: .92rem;
  font-weight: 500;
  border-radius: 3px;
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--paper);
  color: var(--black);
}
.btn-primary:hover{
  background: var(--amber);
  transform: translateY(-2px);
}
.btn-ghost{
  border-color: var(--line-strong);
  color: var(--paper);
}
.btn-ghost:hover{
  border-color: var(--amber-line);
  background: var(--amber-dim);
  transform: translateY(-2px);
}
.btn-block{ width: 100%; }

/* ===================================================================
   Marquee
=================================================================== */
.marquee{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  white-space: nowrap;
  padding: 16px 0;
  background: var(--black-2);
}
.marquee-track{
  display: inline-flex;
  align-items: center;
  animation: marquee 32s linear infinite;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--paper-dim);
}
.marquee-track span{ padding: 0 4px; }
.marquee-track .sep{ color: var(--amber); padding: 0 22px; }
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* ===================================================================
   Section shells
=================================================================== */
.section{ padding: 130px 28px; position: relative; }
.section-dark{ background: var(--black-2); }
.section-inner{ max-width: var(--container); margin: 0 auto; }
.section-head{ max-width: 640px; margin-bottom: 64px; }
.section-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  line-height: 1.02;
  text-transform: uppercase;
  margin-top: 6px;
}
.section-lead{
  margin-top: 20px;
  color: var(--paper-dim);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===================================================================
   Service cards
=================================================================== */
.cards-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card{
  position: relative;
  background: var(--black);
  padding: 36px 28px 40px;
  transition: background .4s var(--ease);
}
.card:hover{ background: var(--black-3); }
.card-corner{
  position: absolute; top:16px; right:16px;
  width: 14px; height: 14px;
  border-top: 1.5px solid var(--line-strong);
  border-right: 1.5px solid var(--line-strong);
  transition: border-color .4s var(--ease), width .4s var(--ease), height .4s var(--ease);
}
.card:hover .card-corner{ border-color: var(--amber); width: 20px; height: 20px; }
.card-tag{
  font-size: .7rem;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 22px;
}
.card-icon{
  width: 44px; height: 44px;
  color: var(--paper);
  margin-bottom: 22px;
  transition: transform .4s var(--ease);
}
.card:hover .card-icon{ transform: translateY(-3px); }
.card-icon svg{ width:100%; height:100%; }
.card h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: .01em;
}
.card p{
  font-size: .92rem;
  color: var(--paper-dim);
  line-height: 1.65;
}
.card-flagship{ background: var(--black-3); }
.card-flagship .card-tag{
  color: var(--black);
  background: var(--amber);
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
}
.card-link{
  display: inline-block;
  margin-top: 16px;
  font-size: .85rem;
  color: var(--amber);
  border-bottom: 1px solid var(--amber-line);
  transition: opacity .3s var(--ease);
}
.card-link:hover{ opacity: .7; }

@media (max-width: 980px){
  .cards-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px){
  .cards-grid{ grid-template-columns: 1fr; }
}

/* ===================================================================
   Punto Facial — signature section
=================================================================== */
.facial-grid{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 72px;
  align-items: center;
}
.check-list{ margin: 30px 0 36px; display: flex; flex-direction: column; gap: 14px; }
.check-list li{
  display: flex; align-items: flex-start; gap: 12px;
  font-size: .96rem;
  color: var(--paper);
}
.check-list svg{
  width: 20px; height: 20px; flex-shrink:0; margin-top: 1px;
  color: var(--amber);
}

.demo-card{
  border: 1px solid var(--line-strong);
  background: var(--black);
  border-radius: 4px;
  overflow: hidden;
}
.demo-frame{
  position: relative;
  aspect-ratio: 4/3;
  display: flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 50% 42%, rgba(255,122,26,.06), transparent 55%),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 40px);
  overflow: hidden;
}
.demo-silhouette{
  width: 34%;
  color: var(--paper-dim);
  opacity: .8;
}
.fc{ position: absolute; width: 26px; height: 26px; }
.fc-tl{ top: 18px; left: 18px; border-top: 2px solid var(--amber); border-left: 2px solid var(--amber); }
.fc-tr{ top: 18px; right: 18px; border-top: 2px solid var(--amber); border-right: 2px solid var(--amber); }
.fc-bl{ bottom: 18px; left: 18px; border-bottom: 2px solid var(--amber); border-left: 2px solid var(--amber); }
.fc-br{ bottom: 18px; right: 18px; border-bottom: 2px solid var(--amber); border-right: 2px solid var(--amber); }
.demo-sweep{
  position: absolute; left:0; right:0; height: 46%;
  background: linear-gradient(180deg, transparent, rgba(255,122,26,.18), transparent);
  animation: sweep 3.2s ease-in-out infinite;
}
@keyframes sweep{
  0%{ top: -46%; }
  50%{ top: 100%; }
  100%{ top: -46%; }
}
.demo-status{
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  font-size: .68rem;
  color: var(--paper-dim);
  display: flex; align-items:center; gap:8px;
  white-space: nowrap;
}
.pulse{
  width: 6px; height:6px; border-radius:50%;
  background: var(--amber);
  animation: pulse-dot 1.4s infinite;
}
@keyframes pulse-dot{
  0%{ box-shadow: 0 0 0 0 rgba(255,122,26,.5); }
  70%{ box-shadow: 0 0 0 7px rgba(255,122,26,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,122,26,0); }
}
.demo-log{
  padding: 16px 20px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 168px;
  font-size: .76rem;
  border-top: 1px solid var(--line);
}
.log-row{
  display: flex; justify-content: space-between; gap: 10px;
  color: var(--paper-dim);
  opacity: 0;
  transform: translateY(6px);
  animation: log-in .5s var(--ease) forwards;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 8px;
}
.log-row .who{ color: var(--paper); }
.log-row .ok{ color: var(--amber); }
@keyframes log-in{ to{ opacity:1; transform: translateY(0); } }

@media (max-width: 920px){
  .facial-grid{ grid-template-columns: 1fr; gap: 56px; }
}

/* ===================================================================
   Caso de éxito
=================================================================== */
.case-block{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  border-top: 1px solid var(--line);
  padding-top: 56px;
  align-items: start;
}
.case-kicker{ color: var(--amber); font-size: .75rem; text-transform: uppercase; margin-bottom: 18px; }
.case-text{ font-size: 1.15rem; line-height: 1.75; color: var(--paper); }
.case-stats{ display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.stat{ display:flex; flex-direction:column; gap:10px; }
.stat-num{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3.2rem;
  color: var(--amber);
  line-height: 1;
}
.stat-label{ font-size: .82rem; color: var(--paper-dim); line-height: 1.5; }

@media (max-width: 820px){
  .case-block{ grid-template-columns: 1fr; gap: 40px; }
  .case-stats{ grid-template-columns: repeat(3,1fr); gap: 16px; }
  .stat-num{ font-size: 2.2rem; }
}

/* ===================================================================
   Proceso
=================================================================== */
.process-list{ display: flex; flex-direction: column; }
.process-item{
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
  transition: padding-left .4s var(--ease);
}
.process-item:last-child{ border-bottom: 1px solid var(--line); }
.process-item:hover{ padding-left: 12px; }
.process-num{ font-size: 1rem; color: var(--amber); }
.process-item h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.process-item p{ color: var(--paper-dim); max-width: 560px; line-height: 1.65; }

@media (max-width: 620px){
  .process-item{ grid-template-columns: 1fr; gap: 10px; }
}

/* ===================================================================
   Contacto
=================================================================== */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
}
.contact-cards{ margin-top: 40px; display: flex; flex-direction: column; gap: 1px; background: var(--line); border:1px solid var(--line); }
.contact-card{
  display: flex; flex-direction: column; gap: 6px;
  padding: 20px 22px;
  background: var(--black);
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}
.contact-card:hover{ background: var(--black-3); padding-left: 28px; }
.contact-label{ font-size: .7rem; color: var(--amber); text-transform: uppercase; }
.contact-value{ font-size: 1.05rem; }

.contact-form{ display: flex; flex-direction: column; gap: 20px; align-self: start; }
.field{ display: flex; flex-direction: column; gap: 8px; }
.field label{ font-size: .82rem; color: var(--paper-dim); }
.field input, .field textarea{
  background: var(--black-2);
  border: 1px solid var(--line-strong);
  color: var(--paper);
  padding: 13px 16px;
  border-radius: 3px;
  font-size: .95rem;
  transition: border-color .3s var(--ease), background .3s var(--ease);
  resize: vertical;
}
.field input:focus, .field textarea:focus{
  border-color: var(--amber-line);
  background: var(--black-3);
  outline: none;
}
.form-hint{ font-size: .72rem; color: var(--gray); text-align: center; }

@media (max-width: 820px){
  .contact-grid{ grid-template-columns: 1fr; gap: 48px; }
}

/* ===================================================================
   Footer
=================================================================== */
.footer{ border-top: 1px solid var(--line); padding: 60px 28px 30px; }
.footer-inner{
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 40px;
}
.footer-brand{ display: flex; align-items:center; gap: 14px; }
.footer-mark{ width: 34px; filter: brightness(0) invert(1); opacity: .9; }
.footer-word{
  display:block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: .03em;
}
.footer-tag{ display:block; font-size: .68rem; color: var(--gray); margin-top: 2px; }
.footer-links{ display: flex; gap: 26px; flex-wrap: wrap; font-size: .88rem; color: var(--paper-dim); }
.footer-links a:hover{ color: var(--amber); }
.footer-contact{ display: flex; flex-direction: column; gap: 6px; font-size: .8rem; color: var(--paper-dim); text-align: right; }
.footer-contact a:hover{ color: var(--amber); }
.footer-bottom{
  max-width: var(--container);
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .72rem;
  color: var(--gray);
}

/* ===================================================================
   Responsive nav
=================================================================== */
@media (max-width: 860px){
  .nav-links{
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--black-2);
    border-left: 1px solid var(--line);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
    font-size: 1.1rem;
    z-index: 400;
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-burger{ display: flex; }
  .nav-burger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-burger.open span:nth-child(2){ opacity: 0; }
  .nav-burger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .nav-phone span:not(.dot){ display: none; }
}

@media (max-width: 640px){
  .section{ padding: 90px 20px; }
  .hero{ padding-top: 120px; }
  .hero-cta{ flex-direction: column; align-items: stretch; }
}