/* =========================================================
   ALTORÉ — Design tokens
   ========================================================= */
:root{
  --espresso:      #17120D;
  --espresso-2:    #241C14;
  --parchment:     #EFE3CD;
  --parchment-2:   #E4D5B7;
  --moss:          #5B6B4E;
  --copper:        #B6793A;
  --copper-light:  #D19B5E;
  --ink:           #221A12;
  --cream-text:    #F3EADA;
  --muted:         #8A7F6E;

  --font-display: 'Fraunces', serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --wrap: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--parchment);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
  line-height: 1.08;
}

p{ margin: 0 0 1em; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }
ul, ol{ margin:0; padding:0; list-style:none; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

.mono{ font-family: var(--font-mono); }

.eyebrow{
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 1em;
}
.eyebrow.light{ color: var(--copper-light); }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-block;
  padding: 14px 28px;
  font-size: .95rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all .25s var(--ease);
}
.btn-primary{
  background: var(--copper);
  color: var(--espresso);
}
.btn-primary:hover{ background: var(--copper-light); }
.btn-ghost{
  border-color: currentColor;
}
.hero .btn-ghost{ color: var(--cream-text); }
.hero .btn-ghost:hover{ background: rgba(243,234,218,.1); }
.section-light .btn-ghost:hover{ background: rgba(34,26,18,.06); }
.btn-block{ width:100%; text-align:center; }

.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, button:focus-visible{
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  padding: 22px 0;
  transition: background .3s var(--ease), padding .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled{
  background: rgba(23,18,13,.92);
  backdrop-filter: blur(6px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
}
.brand{
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cream-text);
}
.main-nav{
  display:flex;
  align-items:center;
  gap: 34px;
}
.main-nav a{
  font-size: .92rem;
  color: var(--cream-text);
  opacity: .85;
  transition: opacity .2s;
}
.main-nav a:hover{ opacity: 1; }
.main-nav a.nav-cta{
  opacity: 1;
  padding: 9px 20px;
  border: 1px solid var(--copper-light);
  border-radius: var(--radius);
}
.nav-toggle{
  display:none;
  flex-direction: column;
  gap: 5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 24px; height: 2px;
  background: var(--cream-text);
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  background: var(--espresso);
  color: var(--cream-text);
  overflow: hidden;
  padding-top: 100px;
}
.hero-contour{
  position:absolute;
  inset:0;
  opacity: .55;
}
.hero-contour svg{ width:100%; height:100%; }
.contour-line{
  fill:none;
  stroke-width: 1.4;
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  animation: draw 2.6s var(--ease) forwards;
}
.c1{ stroke: var(--copper); animation-delay: .1s; }
.c2{ stroke: var(--moss); animation-delay: .3s; opacity:.8; }
.c3{ stroke: var(--copper-light); animation-delay: .5s; opacity:.6; }
.c4{ stroke: var(--moss); animation-delay: .7s; opacity:.45; }
@keyframes draw{ to{ stroke-dashoffset: 0; } }

.hero-inner{
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-bottom: 90px;
}
.hero-title{
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  color: var(--cream-text);
}
.hero-title em{
  font-style: italic;
  color: var(--copper-light);
}
.hero-sub{
  max-width: 480px;
  font-size: 1.08rem;
  color: rgba(243,234,218,.8);
  margin-bottom: 2em;
}
.hero-actions{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image-frame{
  position: absolute;
  right: 6%;
  bottom: 0;
  width: 340px;
  height: 420px;
  z-index: 1;
  border-top-left-radius: 160px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,.4);
  opacity: .9;
}
.hero-image-frame img{ width:100%; height:100%; object-fit: cover; }

@media (max-width: 980px){
  .hero-image-frame{ display:none; }
}

/* =========================================================
   Image placeholder handling
   ========================================================= */
.img-box{
  position: relative;
  background: var(--parchment-2);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.img-box.tall{ aspect-ratio: 3 / 4; }
.img-box img{ width:100%; height:100%; object-fit: cover; }

.img-box.img-missing,
.hero-image-frame.img-missing{
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.img-box.img-missing img,
.hero-image-frame.img-missing img{ display:none; }
.img-box.img-missing::after,
.hero-image-frame.img-missing::after{
  content: "Espacio para imagen\A (agréguela en /images)";
  white-space: pre;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--muted);
  border: 1px dashed var(--muted);
  padding: 14px 18px;
  border-radius: var(--radius);
}
.hero-image-frame.img-missing{
  background: var(--espresso-2);
}
.hero-image-frame.img-missing::after{ color: var(--copper-light); border-color: var(--copper-light); }

/* =========================================================
   Sections
   ========================================================= */
.section{ padding: 120px 0; }
.section-light{ background: var(--parchment); color: var(--ink); }
.section-dark{ background: var(--espresso); color: var(--cream-text); }

.section-title{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); max-width: 680px; }
.section-title.light{ color: var(--cream-text); }
.section-intro{ max-width: 620px; color: var(--muted); font-size: 1.05rem; }
.section-intro.light{ color: rgba(243,234,218,.72); }

.split{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 72px;
  align-items:center;
}
.split-reverse{ grid-template-columns: 1.1fr .9fr; }
.split-reverse .split-text{ order:1; }
.split-reverse .split-media{ order:2; }

@media (max-width: 860px){
  .split, .split-reverse{ grid-template-columns: 1fr; gap: 40px; }
  .split-reverse .split-text, .split-reverse .split-media{ order: initial; }
}

.lead{ font-size: 1.12rem; }
.signature-line{
  margin-top: 2em;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--moss);
  text-transform: uppercase;
}

/* =========================================================
   Elevation chart (signature motif)
   ========================================================= */
.elevation-chart{ margin: 56px 0 44px; }
.elevation-chart svg{ width:100%; height:auto; overflow: visible; }
.axis-line{ stroke: rgba(243,234,218,.25); stroke-width: 1; }
.elevation-path{
  fill:none;
  stroke: var(--copper-light);
  stroke-width: 2;
}
.elevation-marker circle{
  r: 6;
  fill: var(--espresso);
  stroke: var(--copper-light);
  stroke-width: 2;
}
.elevation-labels{
  display:flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: rgba(243,234,218,.55);
  margin-top: 4px;
}

.zone-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 40px 0 56px;
}
.zone-card{
  border: 1px solid rgba(243,234,218,.15);
  padding: 28px;
  border-radius: var(--radius);
}
.zone-card h3{ font-size: 1.25rem; margin-bottom: .3em; }
.zone-alt{ color: var(--copper-light); font-size: .78rem; margin-bottom: 1em; }

.detail-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  border-top: 1px solid rgba(243,234,218,.15);
  padding-top: 36px;
}
.detail-label{ font-size: .74rem; letter-spacing: .1em; color: var(--copper-light); margin-bottom: .6em; }

@media (max-width: 860px){
  .zone-grid, .detail-grid{ grid-template-columns: 1fr; }
}

/* =========================================================
   Products & services
   ========================================================= */
.group-title{
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--moss);
  margin: 56px 0 24px;
}
.card-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.product-card h4{ margin-top: 20px; font-size: 1.2rem; }
.product-card p{ color: var(--muted); font-size: .95rem; }

.service-list{ border-top: 1px solid rgba(34,26,18,.12); }
.service-row{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(34,26,18,.12);
}
.service-name{
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}
.service-row p{ margin:0; color: var(--muted); }

@media (max-width: 860px){
  .card-grid{ grid-template-columns: 1fr; }
  .service-row{ grid-template-columns: 1fr; gap: 8px; }
}

/* =========================================================
   Process steps
   ========================================================= */
.process-steps{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin: 48px 0;
}
.process-steps li{
  border-top: 2px solid var(--copper);
  padding-top: 14px;
}
.step-num{ display:block; color: var(--copper-light); font-size: .8rem; margin-bottom: 6px; }
.step-name{ font-size: .92rem; }

@media (max-width: 860px){
  .process-steps{ grid-template-columns: repeat(2, 1fr); }
}

.promise-quote{
  margin: 48px 0;
  padding-left: 28px;
  border-left: 3px solid var(--copper);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  max-width: 780px;
  color: rgba(243,234,218,.92);
}

.img-strip{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px){
  .img-strip{ grid-template-columns: 1fr; }
}

/* =========================================================
   Contact
   ========================================================= */
.contact-list{ margin: 28px 0; }
.contact-list li{
  display:flex;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(34,26,18,.1);
}
.contact-label{ width: 120px; flex-shrink:0; color: var(--moss); font-size: .78rem; }

.social-links{ display:flex; gap: 20px; margin-top: 8px; }
.social-links a{
  font-size: .9rem;
  border-bottom: 1px solid var(--copper);
  padding-bottom: 2px;
}

.contact-form{
  background: #fff;
  padding: 36px;
  border-radius: var(--radius);
  display:flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: 0 20px 50px rgba(34,26,18,.08);
}
.contact-form label{
  display:flex;
  flex-direction: column;
  gap: 8px;
  font-size: .85rem;
  color: var(--muted);
}
.contact-form input, .contact-form textarea{
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid rgba(34,26,18,.18);
  border-radius: var(--radius);
  background: var(--parchment);
  color: var(--ink);
}
.form-note{
  font-size: .76rem;
  color: var(--muted);
  margin: 0;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background: var(--espresso);
  color: rgba(243,234,218,.75);
  padding: 56px 0 24px;
}
.footer-inner{
  display:flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(243,234,218,.12);
}
.brand.small{
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--cream-text);
  margin-bottom: 6px;
}
.footer-legal{ font-size: .82rem; margin:0; }
.footer-nav{ display:flex; flex-wrap:wrap; gap: 20px; font-size: .88rem; }
.footer-social{ display:flex; gap: 18px; font-size: .88rem; }
.footer-copy{
  text-align:center;
  font-size: .76rem;
  margin: 24px 0 0;
  color: rgba(243,234,218,.45);
}

/* =========================================================
   Reveal on scroll
   ========================================================= */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: none; }

/* =========================================================
   Mobile nav
   ========================================================= */
@media (max-width: 860px){
  .nav-toggle{ display:flex; }
  .main-nav{
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--espresso);
    flex-direction: column;
    align-items:flex-start;
    justify-content:center;
    gap: 28px;
    padding: 0 40px;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ font-size: 1.1rem; }
}