/* MILIORIX — premium steel structures, black & gold system */

:root{
  --ink:#0c0a08;
  --ink-raised:#16120b;
  --ink-raised-2:#1f1810;
  --ink-line: rgba(196,155,84,0.22);
  --ink-line-strong: rgba(196,155,84,0.5);
  --gold:#c49b54;
  --gold-bright:#e9cd93;
  --gold-deep:#8a6a34;
  --paper:#f4ead8;
  --paper-dim:#c9bda5;
  --paper-faint:#9b8f78;
  --shadow: 0 30px 80px -30px rgba(0,0,0,0.7);

  --font-display: 'Cormorant Garamond', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --font-body: 'Manrope', 'Segoe UI', Roboto, Arial, sans-serif;

  --max: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

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

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  padding-inline: var(--gutter);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

img{ max-width:100%; display:block; }

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

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

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--paper);
  margin: 0 0 0.4em;
  text-wrap: balance;
  letter-spacing: 0.01em;
}
h1{ font-size: clamp(2.6rem, 4vw + 1.2rem, 4.6rem); line-height: 1.05; font-weight: 600; }
h2{ font-size: clamp(2rem, 2.4vw + 1rem, 3rem); line-height: 1.1; }
h3{ font-size: clamp(1.3rem, 1vw + 1rem, 1.7rem); line-height: 1.25; }

p{ margin: 0 0 1em; color: var(--paper-dim); max-width: 62ch; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1em;
}
.eyebrow::before{
  content:"";
  width: 28px; height:1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.5em;
  padding: 0.95em 1.8em;
  border-radius: 2px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-gold{
  background: linear-gradient(180deg, var(--gold-bright), var(--gold) 60%, var(--gold-deep));
  color: #1a1207;
  box-shadow: 0 12px 30px -10px rgba(196,155,84,0.55);
}
.btn-gold:hover{ transform: translateY(-2px); box-shadow: 0 16px 36px -8px rgba(196,155,84,0.7); }
.btn-ghost{
  background: transparent;
  color: var(--paper);
  border-color: var(--ink-line-strong);
}
.btn-ghost:hover{ border-color: var(--gold); color: var(--gold-bright); }

/* ---------- NAV ---------- */
.site-nav{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-inline: var(--gutter);
  background: linear-gradient(180deg, rgba(12,10,8,0.92), rgba(12,10,8,0.55) 80%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.site-nav.is-solid{
  background: rgba(12,10,8,0.94);
  border-bottom: 1px solid var(--ink-line);
}
.nav-row{
  max-width: var(--max);
  margin: 0 auto;
  display:flex;
  align-items:center;
  justify-content: space-between;
  height: 84px;
}
.brand{
  display:flex;
  align-items:center;
  gap:0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  color: var(--paper);
  white-space: nowrap;
}
.brand svg{ width:30px; height:30px; flex-shrink:0; color: var(--gold-bright); }

.nav-links{
  display:flex;
  align-items:center;
  gap: 2.2em;
  list-style:none;
  margin:0; padding:0;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.nav-links a{
  position:relative;
  padding-bottom: 6px;
  color: var(--paper-dim);
  transition: color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:1px; background: var(--gold);
  transition: right .25s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--paper); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ right:0; }

.nav-cta{ display:flex; align-items:center; gap: 1.4em; }
.nav-tel{ font-size:0.85rem; color: var(--paper-dim); letter-spacing:0.03em; }
.nav-tel b{ color: var(--gold-bright); font-weight:700; }

.lang-switch{
  display:flex;
  align-items:center;
  gap:0.5em;
  font-size:0.78rem;
  font-weight:700;
  letter-spacing:0.06em;
}
.lang-switch a, .lang-switch span{ color: var(--paper-faint); }
.lang-switch a:hover{ color: var(--gold-bright); }
.lang-switch .is-current{ color: var(--gold-bright); }
.lang-switch i{ color: var(--ink-line-strong); font-style:normal; }
.price-note{ font-size:0.72rem; color: var(--paper-faint); margin-top:0.4em; }

.nav-burger{
  display:none;
  width: 40px; height:40px;
  border:1px solid var(--ink-line-strong);
  background:transparent;
  color: var(--gold-bright);
  align-items:center; justify-content:center;
  cursor:pointer;
}

@media (max-width: 900px){
  .nav-links, .nav-tel{ display:none; }
  .nav-burger{ display:flex; }
  .nav-row{ height: 72px; }
}

.mobile-menu{
  position: fixed; inset:0;
  z-index: 99;
  background: var(--ink);
  display:none;
  flex-direction:column;
  padding: 110px var(--gutter) 40px;
  gap: 1.6em;
}
.mobile-menu.is-open{ display:flex; }
.mobile-menu a{
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--paper);
  border-bottom: 1px solid var(--ink-line);
  padding-bottom: 0.5em;
}
.mobile-menu .btn{ margin-top: 1em; align-self:flex-start; }
.mobile-menu .lang-switch{ font-size:0.95rem; margin-top:0.6em; border-bottom:none; padding-bottom:0; }

/* ---------- HERO ---------- */
.hero{
  position: relative;
  padding: 200px 0 120px;
  overflow: hidden;
}
.hero-panels{
  position:absolute; inset:0;
  z-index:0;
  background:
    repeating-linear-gradient(100deg,
      rgba(196,155,84,0.05) 0px, rgba(196,155,84,0.05) 2px,
      transparent 2px, transparent 64px),
    radial-gradient(120% 90% at 85% -10%, rgba(196,155,84,0.16), transparent 60%),
    radial-gradient(90% 60% at 10% 110%, rgba(196,155,84,0.08), transparent 55%);
}
.hero-inner{ position:relative; z-index:1; max-width: 760px; }
.hero p.lead{ font-size: 1.15rem; color: var(--paper-dim); max-width: 54ch; }
.hero-actions{ display:flex; gap:1em; flex-wrap:wrap; margin-top: 2em; }

.hero-badges{
  display:flex; flex-wrap:wrap; gap:0.6em;
  margin-top: 3.2em;
  padding-top: 2em;
  border-top: 1px solid var(--ink-line);
}
.badge{
  font-size: 0.72rem;
  font-weight:700;
  letter-spacing:0.1em;
  padding: 0.5em 0.9em;
  border: 1px solid var(--ink-line-strong);
  color: var(--paper-dim);
  border-radius: 100px;
}
.badge b{ color: var(--gold-bright); }

/* ---------- SECTIONS ---------- */
section{ position:relative; padding: 96px 0; }
.section-head{ max-width: 640px; margin-bottom: 3em; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head.center .eyebrow{ justify-content:center; }
.section-head.center .eyebrow::before{ display:none; }

.divider{
  height:1px;
  background: linear-gradient(90deg, transparent, var(--ink-line-strong), transparent);
  margin: 0 auto;
  max-width: var(--max);
}

/* ---------- STAT BAR ---------- */
.stat-bar{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}
.stat{
  background: var(--ink);
  padding: 2em 1.4em;
  text-align:center;
}
.stat b{
  display:block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2vw + 1rem, 2.6rem);
  color: var(--gold-bright);
  font-weight:700;
}
.stat span{
  font-size: 0.78rem;
  letter-spacing:0.04em;
  color: var(--paper-faint);
}
@media (max-width: 760px){
  .stat-bar{ grid-template-columns: repeat(2, 1fr); }
}

/* ---------- PRODUCT CARDS ---------- */
.grid-4{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
}
@media (max-width: 1000px){ .grid-4{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .grid-4{ grid-template-columns: 1fr; } }

.card{
  background: linear-gradient(180deg, var(--ink-raised), var(--ink));
  border: 1px solid var(--ink-line);
  padding: 2.2rem 1.8rem;
  display:flex;
  flex-direction:column;
  gap: 1em;
  transition: border-color .25s ease, transform .25s ease;
}
.card:hover{ border-color: var(--ink-line-strong); transform: translateY(-4px); }
.card .icon{
  width: 46px; height:46px;
  color: var(--gold);
}
.card h3{ margin-bottom:0.2em; }
.card p{ font-size: 0.94rem; margin-bottom: 0.4em; }
.card .from{
  margin-top:auto;
  padding-top: 1em;
  border-top: 1px solid var(--ink-line);
  font-size: 0.8rem;
  color: var(--paper-faint);
  letter-spacing:0.03em;
}
.card .from b{ color: var(--gold-bright); font-family: var(--font-display); font-size:1.2rem; }
.card-link{
  font-size: 0.8rem;
  font-weight:700;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color: var(--gold);
  display:inline-flex; align-items:center; gap:0.4em;
}
.card-link svg{ width:14px; height:14px; transition: transform .2s ease; }
.card:hover .card-link svg{ transform: translateX(4px); }

/* ---------- WHY US / SPLIT ---------- */
.split{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items:start;
}
@media (max-width: 900px){ .split{ grid-template-columns: 1fr; gap:2.5rem; } }

.feature-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:1.6em; }
.feature-list li{ display:flex; gap:1em; align-items:flex-start; }
.feature-list .num{
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
  border: 1px solid var(--ink-line-strong);
  width: 2.2em; height:2.2em;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.feature-list h4{ margin:0 0 0.2em; font-size:1.05rem; font-family:var(--font-body); font-weight:700; letter-spacing:0.01em; }
.feature-list p{ margin:0; font-size:0.92rem; }

/* ---------- ROUTE MAP ---------- */
.route{
  background: var(--ink-raised);
  border: 1px solid var(--ink-line);
  padding: 2.4rem;
}
.route svg{ width:100%; height:auto; }
.route-caption{ margin-top:1.4em; font-size:0.85rem; color: var(--paper-faint); text-align:center; }
.route-line{ stroke: var(--gold); stroke-width:1.4; stroke-dasharray: 5 7; opacity:0.75; animation: dash 7s linear infinite; }
@keyframes dash{ to{ stroke-dashoffset: -120; } }
.route-hub{ fill: var(--gold); }
.route-node{ fill: var(--ink); stroke: var(--gold); stroke-width:1.6; }
.route-label{ font-family: var(--font-body); font-weight:700; font-size:15px; fill: var(--paper); letter-spacing:0.04em; }
.route-label-sm{ font-family: var(--font-body); font-weight:600; font-size:10px; fill: var(--paper-faint); letter-spacing:0.06em; }

/* ---------- CTA BAND ---------- */
.cta-band{
  background: linear-gradient(120deg, var(--ink-raised-2), var(--ink-raised));
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
  text-align:center;
}
.cta-band h2{ max-width: 700px; margin: 0 auto 0.3em; }
.cta-band p{ max-width: 560px; margin: 0 auto 1.6em; }

/* ---------- FOOTER ---------- */
footer{ padding: 72px 0 40px; }
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.4rem;
  padding-bottom: 3em;
  border-bottom: 1px solid var(--ink-line);
}
@media (max-width: 800px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h4{
  font-family: var(--font-body);
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color: var(--gold);
  margin-bottom:1em;
}
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:0.7em; font-size:0.9rem; color: var(--paper-dim); }
.footer-grid a:hover{ color: var(--gold-bright); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1em;
  padding-top: 2em;
  font-size: 0.78rem;
  color: var(--paper-faint);
}

/* ---------- FORM ---------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
@media (max-width:640px){ .form-grid{ grid-template-columns: 1fr; } }
.field{ display:flex; flex-direction:column; gap:0.5em; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--paper-faint); }
.field input, .field select, .field textarea{
  background: var(--ink-raised);
  border: 1px solid var(--ink-line-strong);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.96rem;
  padding: 0.85em 1em;
  border-radius: 2px;
  outline: none;
  transition: border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--gold); }
.field textarea{ resize: vertical; min-height: 120px; }
.field select{ appearance:none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 20px) center, calc(100% - 15px) center; background-size: 5px 5px, 5px 5px; background-repeat:no-repeat; }
.form-note{ font-size:0.8rem; color: var(--paper-faint); margin-top: 1.2em; }
.form-status{ font-size:0.85rem; color: var(--gold-bright); min-height:1.2em; margin-top:1em; }

/* ---------- INFO CARD (contact) ---------- */
.info-card{
  background: var(--ink-raised);
  border: 1px solid var(--ink-line);
  padding: 2.2rem;
  display:flex; flex-direction:column; gap:1.6em;
}
.info-row{ display:flex; gap:1em; align-items:flex-start; }
.info-row svg{ width:20px; height:20px; color:var(--gold); flex-shrink:0; margin-top:2px; }
.info-row b{ display:block; font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--paper-faint); margin-bottom:0.2em; }
.info-row a, .info-row span{ font-size:1.02rem; color: var(--paper); }

/* ---------- MISC PAGE HERO (inner pages) ---------- */
.page-hero{ padding: 170px 0 70px; }
.page-hero .eyebrow{ margin-bottom: 0.8em; }
.page-hero p.lead{ max-width: 60ch; }

/* ---------- TIMELINE (o nas) ---------- */
.timeline{ display:flex; flex-direction:column; gap: 0; }
.tl-item{
  display:grid;
  grid-template-columns: 90px 1px 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}
.tl-item:last-child{ padding-bottom:0; }
.tl-year{ font-family: var(--font-display); font-size:1.3rem; color: var(--gold-bright); padding-top:0.1em; }
.tl-line{ position:relative; background: var(--ink-line-strong); }
.tl-line::before{
  content:"";
  position:absolute; top:0.35em; left:50%; transform:translateX(-50%);
  width:9px; height:9px; border-radius:50%;
  background: var(--gold); box-shadow: 0 0 0 4px var(--ink), 0 0 0 5px var(--ink-line-strong);
}
@media (max-width:600px){ .tl-item{ grid-template-columns: 60px 1px 1fr; gap:1.2rem; } }

/* ---------- REVEAL ---------- */
/* Content is visible at rest; scroll-in is a subtle, already-legible transition, never a hide-and-wait. */
.reveal{ opacity:1; transform:none; }

/* ---------- PRODUCT DETAIL SECTIONS ---------- */
.product-block{ padding: 80px 0; border-bottom: 1px solid var(--ink-line); }
.product-block:last-of-type{ border-bottom:none; }
.product-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:2rem; flex-wrap:wrap; margin-bottom: 2.2em; }
.product-head .from{ text-align:right; }
.product-head .from b{ display:block; font-family:var(--font-display); font-size:2rem; color:var(--gold-bright); }
.product-head .from span{ font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--paper-faint); }
.spec-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top:2rem; }
@media (max-width:800px){ .spec-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width:520px){ .spec-grid{ grid-template-columns: 1fr; } }
.spec{ border-top: 1px solid var(--ink-line); padding-top:1em; }
.spec b{ display:block; font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--gold); margin-bottom:0.4em; }
.spec span{ font-size:0.9rem; color:var(--paper-dim); }