/* ============================================================
   ATLAS — ARQUITECTURA
   Tactical Telemetry x editorial elegante
   ============================================================ */

:root{
  --bg: #0a0a0a;
  --bg-alt: #111111;
  --fg: #eaeaea;
  --fg-dim: #8a8a8a;
  --line: #2a2a2a;
  --line-strong: #3d3d3d;
  --accent: #ff2a2a;
  --accent-dim: #7a1414;

  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Archivo Black', sans-serif;
  --font-serif: 'EB Garamond', serif;

  --container: 1240px;
  --edge: clamp(20px, 5vw, 64px);
}

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

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a{ color: inherit; text-decoration: none; }
ul, ol{ list-style: none; margin: 0; padding: 0; }
button{ font-family: inherit; cursor: pointer; }

::selection{ background: var(--fg); color: var(--bg); }

.dim{ color: var(--fg-dim); }

/* ---------- noise overlay ---------- */
.noise-overlay{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(6px);
}

.header-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--edge);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand{
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.brand-mark{ font-size: 1rem; }
.brand-name{
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.brand-sub{
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  display: none;
}
@media (min-width: 640px){ .brand-sub{ display: inline; } }

.main-nav{
  display: none;
  gap: 28px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}
.main-nav a{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-dim);
  transition: color 0.2s ease;
}
.main-nav a:hover{ color: var(--fg); }
.main-nav .idx{
  font-size: 0.62rem;
  color: var(--line-strong);
}

@media (min-width: 900px){
  .main-nav{ display: flex; }
}

.header-right{
  display: flex;
  align-items: center;
  gap: 20px;
}

.status-readout{
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}
.status-readout .dot{
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s infinite;
}
@media (min-width: 1100px){ .status-readout{ display: flex; } }

@keyframes pulse{
  0%, 100%{ opacity: 1; }
  50%{ opacity: 0.3; }
}

.nav-toggle{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none;
  border: 1px solid var(--line);
  padding: 0;
}
.nav-toggle span{
  display: block;
  height: 1px;
  margin: 0 7px;
  background: var(--fg);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-3px) rotate(-45deg); }

@media (min-width: 900px){ .nav-toggle{ display: none; } }

.main-nav.open{
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 8px var(--edge) 24px;
  gap: 4px;
}
.main-nav.open a{
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
}

/* ---------- hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding-top: 64px;
  overflow: hidden;
}

.hero-grid-bg{
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 40%, transparent 90%);
  opacity: 0.6;
  z-index: 0;
}

.hero-termbar{
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px var(--edge);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
  color: var(--fg-dim);
}
.hero-termbar-center{ display: none; }
@media (min-width: 800px){ .hero-termbar-center{ display: inline; } }

.hero-inner{
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 32px;
  padding: 48px var(--edge);
}

@media (min-width: 960px){
  .hero-inner{
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    padding: 32px var(--edge);
  }
}

.hero-figure{
  color: var(--fg-dim);
  display: flex;
  justify-content: center;
}
.atlas-svg{
  width: 100%;
  max-width: 420px;
  height: auto;
}
.atlas-sphere{ animation: spin-slow 40s linear infinite; transform-origin: 260px 195px; }
@keyframes spin-slow{
  from{ transform: rotate(0deg); }
  to{ transform: rotate(360deg); }
}
.atlas-body{ color: var(--fg); }
.svg-label{
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  fill: var(--fg-dim);
}
.brk{ color: var(--line-strong); }

@media (max-width: 959px){
  .hero-figure{ order: 2; }
  .hero-copy{ order: 1; }
}

.hero-copy{ min-width: 0; }

.eyebrow{
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tick{ color: var(--accent); }

.hero-title{
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  text-transform: uppercase;
}

.hero-desc{
  max-width: 46ch;
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 32px;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 26px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--fg);
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primary{
  background: var(--fg);
  color: var(--bg);
}
.btn-primary:hover{
  background: var(--accent);
  border-color: var(--accent);
  color: var(--fg);
}
.btn-ghost{
  background: transparent;
  color: var(--fg);
}
.btn-ghost:hover{
  border-color: var(--fg-dim);
  color: var(--fg-dim);
}

.hero-meta{
  display: flex;
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.hero-meta > div{ display: flex; flex-direction: column; gap: 4px; }
.meta-k{ font-size: 0.62rem; letter-spacing: 0.08em; color: var(--fg-dim); }
.meta-v{ font-family: var(--font-display); font-size: 1.4rem; }

.hero-scroll{
  position: relative;
  z-index: 1;
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  padding: 0 var(--edge) 20px;
  writing-mode: horizontal-tb;
}
@media (min-width: 700px){ .hero-scroll{ display: flex; } }
.scroll-line{
  width: 60px; height: 1px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.scroll-line::after{
  content: "";
  position: absolute;
  left: -60px; top: 0;
  width: 60px; height: 1px;
  background: var(--fg);
  animation: scrollx 2.4s ease-in-out infinite;
}
@keyframes scrollx{
  0%{ left: -60px; }
  50%{ left: 60px; }
  100%{ left: -60px; }
}

/* ---------- marquee ---------- */
.marquee{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 14px 0;
  background: var(--bg-alt);
}
.marquee-track{
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
}
.marquee-track span{
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  padding-right: 8px;
}
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* ---------- section shell ---------- */
.section{
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px var(--edge);
}
.section-alt{
  max-width: none;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-alt > *{
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.section-head{
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 48px;
}
.section-num{
  font-size: 0.72rem;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
}
.section-head h2{
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  letter-spacing: -0.01em;
  margin: 0;
  text-transform: uppercase;
}

.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* ---------- estudio ---------- */
.split{
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 800px){
  .split{ grid-template-columns: 1fr 1fr; gap: 64px; }
}
.lead{
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg);
  margin: 0;
}
.quote{
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--fg);
  border-left: 2px solid var(--accent);
  padding-left: 24px;
  margin: 0;
}
.quote cite{
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}

/* ---------- servicios ---------- */
.service-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 640px){
  .service-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 980px){
  .service-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.service-card{
  background: var(--bg-alt);
  padding: 32px 28px;
  transition: background 0.25s ease;
}
.service-card:hover{ background: #161616; }
.service-idx{
  display: block;
  font-size: 0.7rem;
  color: var(--fg-dim);
  margin-bottom: 24px;
}
.service-card h3{
  font-size: 1.05rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.service-card p{
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ---------- proyectos ---------- */
.project-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
@media (min-width: 700px){
  .project-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 40px; }
}
.project-card{ display: block; }
.project-visual{
  aspect-ratio: 4/3;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, transparent, transparent 8px, rgba(234,234,234,0.03) 8px, rgba(234,234,234,0.03) 9px),
    linear-gradient(155deg, hsl(var(--hue) 30% 14%), var(--bg) 70%);
  display: flex;
  align-items: flex-end;
  padding: 18px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease;
}
.project-visual::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.4;
}
.project-visual span{
  position: relative;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  border: 1px solid var(--line-strong);
  padding: 4px 8px;
  background: rgba(10,10,10,0.6);
}
.project-card:hover .project-visual{ transform: translateY(-4px); }
.project-info{
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  gap: 12px;
}
.project-info h3{
  font-size: 1.1rem;
  margin: 0;
  letter-spacing: -0.01em;
}
.project-info p{
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.project-info h3{
  min-width: 0;
}
.project-info{
  min-width: 0;
}

/* ---------- proceso ---------- */
.process-list{
  display: flex;
  flex-direction: column;
}
.process-list li{
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.process-list li:last-child{ border-bottom: 1px solid var(--line); }
.process-idx{
  font-size: 0.75rem;
  color: var(--fg-dim);
  padding-top: 2px;
}
.process-list h3{
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.process-list p{
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 60ch;
}

/* ---------- contacto ---------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 860px){
  .contact-grid{ grid-template-columns: 1.3fr 1fr; gap: 64px; }
}

.contact-form{
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.contact-form label{
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}
.contact-form input,
.contact-form textarea{
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--fg);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 10px 2px;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline: none;
  border-color: var(--fg);
}
.contact-form .btn{ align-self: flex-start; margin-top: 8px; }
.form-status{
  margin: 0;
  font-size: 0.72rem;
  color: var(--fg-dim);
  min-height: 1.2em;
}

.contact-meta dl{
  margin: 0;
  display: grid;
  grid-template-columns: auto;
  gap: 4px 0;
}
.contact-meta dt{
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin-top: 20px;
}
.contact-meta dt:first-child{ margin-top: 0; }
.contact-meta dd{
  margin: 4px 0 0;
  font-size: 1rem;
}

/* ---------- footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 64px var(--edge) 28px;
}
.footer-top{
  max-width: var(--container);
  margin: 0 auto 40px;
}
.footer-top .brand-name{
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  display: block;
  letter-spacing: -0.02em;
}
.footer-tagline{
  color: var(--fg-dim);
  margin: 8px 0 0;
}
.footer-bottom{
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}