/* ============================================================
   MedObras v5 — Carbon Black · Architect Orange · Ivory White
   Postura: marca líder de construtech. Cantos retos, hairlines,
   tipografia expandida, laranja com coragem.
   ============================================================ */

:root {
  /* Carbon */
  --carbon:    #080808;
  --carbon-2:  #0E0E0E;
  --carbon-3:  #151514;
  --carbon-card: #111110;
  --carbon-line: rgba(255, 255, 255, 0.10);
  --carbon-line-2: rgba(255, 255, 255, 0.18);

  /* Ivory */
  --ivory:    #FFFFFF;
  --ivory-2:  #F7F5F2;
  --ivory-3:  #EFECE6;
  --ink:      #121211;
  --ink-2:    #43413D;
  --muted:    #6E6A63;
  --line-l:   rgba(18, 18, 17, 0.10);
  --line-l2:  rgba(18, 18, 17, 0.20);

  /* Architect Orange */
  --orange:      #4A9EFF; /* engineer blue */
  --orange-2:    #2E7FE0;
  --orange-deep: #1D63B8;
  --orange-tint: rgba(74, 158, 255, 0.10);
  --orange-line: rgba(74, 158, 255, 0.45);

  /* Text on dark */
  --offwhite: #F4F2EE;
  --gray:     #8F8C86;
  --gray-2:   #C9C6BF;

  /* Alert (reabertura) — vermelho-sinalização, usado raríssimo */
  --alert:      #E5483F;
  --alert-tint: rgba(229, 72, 63, 0.12);
  --alert-line: rgba(229, 72, 63, 0.5);

  --radius: 2px;
  --radius-lg: 4px;
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);

  --display: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --sans: "Archivo", system-ui, -apple-system, sans-serif;
  --wide: 'wdth' 122;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--carbon);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 18px;
  line-height: 1.55;
  font-variation-settings: 'wdth' 100;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  font-variation-settings: 'wdth' 108;
  letter-spacing: -0.022em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(76px, 9vw, 136px); position: relative; z-index: 1; }

/* ---------- Surfaces ---------- */
.surface-dark { background: var(--carbon); color: var(--offwhite); position: relative; overflow: hidden; isolation: isolate; }
.surface-light { background: var(--ivory-2); color: var(--ink); position: relative; overflow: hidden; }

/* fx: warm ember glow + grain on carbon */
.fx { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.fx > span { position: absolute; inset: 0; }
.fx-glow {
  background:
    radial-gradient(55% 46% at 72% 0%, rgba(74,158,255,0.10), transparent 60%),
    radial-gradient(40% 36% at 8% 92%, rgba(74,158,255,0.05), transparent 60%);
}
.fx-grain {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px; opacity: 0.06; mix-blend-mode: overlay;
}

/* ---------- Eyebrow / tags ---------- */
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--orange);
  display: inline-flex; align-items: center; gap: 12px; font-weight: 500;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--orange); }

.tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.01em;
  padding: 4px 9px; border-radius: var(--radius);
  border: 1px solid var(--line-l2); color: var(--ink-2); background: var(--ivory);
  white-space: nowrap;
}
.surface-dark .tag { border-color: var(--carbon-line-2); color: var(--gray-2); background: rgba(255,255,255,0.03); }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--sans); font-weight: 700; font-size: 15.5px;
  letter-spacing: 0.01em;
  display: inline-flex; align-items: center; gap: 10px;
  white-space: nowrap;
  padding: 15px 24px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.12s var(--ease), background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--orange); color: var(--carbon);
  box-shadow: 0 1px 0 var(--orange-deep), 0 16px 36px -16px rgba(74,158,255,0.55);
  text-transform: uppercase; font-variation-settings: 'wdth' 110; font-size: 14px; letter-spacing: 0.08em;
}
.btn-primary:hover { background: var(--orange-2); color: var(--carbon); }
.btn-ghost { background: transparent; color: var(--offwhite); border-color: var(--carbon-line-2); }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }
.surface-light .btn-ghost { color: var(--ink); border-color: var(--line-l2); }
.surface-light .btn-ghost:hover { border-color: var(--orange-2); color: var(--orange-2); }
.btn .ico { width: 18px; height: 18px; flex: none; }
.wa-ico { display: inline-flex; width: 18px; height: 18px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8,8,8,0.86); backdrop-filter: saturate(130%) blur(12px);
  border-bottom: 1px solid var(--carbon-line); color: var(--offwhite);
}
.nav-in { max-width: var(--maxw); margin: 0 auto; padding: 13px var(--gutter); display: flex; align-items: center; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--display); font-weight: 700; font-variation-settings: 'wdth' 112; letter-spacing: -0.01em; font-size: 19px; color: var(--offwhite); text-transform: uppercase; }
.brand .obras { color: var(--orange); }
.brand .mark { width: 30px; height: 30px; flex: none; display: grid; place-items: center; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; color: var(--gray-2); align-items: center; white-space: nowrap; }
.nav-links a:hover { color: var(--orange); }
.nav .btn { padding: 10px 16px; font-size: 12.5px; }
@media (max-width: 880px) { .nav-links a:not(.btn) { display: none; } }

/* ============================================================
   HERO — carbon, expanded caps, orange duotone photo
   ============================================================ */
.hero { min-height: min(calc(100vh - 61px), 860px); display: flex; align-items: center; position: relative; }
.hero-in { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); position: relative; z-index: 3; padding-block: clamp(48px,6vh,80px); }
.hero-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: clamp(20px,3vw,56px); align-items: center; }
@media (max-width: 940px){ .hero-grid { grid-template-columns: 1fr; } }
.hero-copy { display: flex; flex-direction: column; gap: 22px; align-items: flex-start; max-width: 640px; position: relative; z-index: 3; }
.hero h1 {
  font-size: clamp(34px, 3.6vw, 58px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.028em;
  max-width: 17ch;
}
.hero h1 .hivis { color: var(--orange); }
.hero .sub { color: var(--gray-2); font-size: clamp(16px,1.4vw,18.5px); max-width: 50ch; line-height: 1.6; }
.hero-cta { display:flex; flex-wrap:wrap; gap:14px; align-items:center; }
.hero-legal { display:inline-flex; align-items:center; gap:9px; font-family:var(--mono); font-size:12px; letter-spacing:.04em; color:var(--gray); }
.hero-legal .dot { width:7px; height:7px; border-radius:0; background:var(--orange); flex:none; }

/* watermark — outline type, architect orange */
.bm-watermark {
  position:absolute; left:-1%; bottom:0; z-index:0;
  font-family:var(--display); font-weight:800; font-variation-settings:'wdth' 125;
  font-size:clamp(80px,11vw,170px); line-height:.78; letter-spacing:-.02em;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(74,158,255,.16);
  white-space:nowrap; pointer-events:none; user-select:none;
}
html[data-watermark="off"] .bm-watermark { display:none; }

/* photo: orange duotone bleeding right */
.hero-photo { position:absolute; top:0; right:0; height:100%; width:min(46vw,760px); z-index:1; overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg, transparent 0%, #000 30%); mask-image:linear-gradient(90deg, transparent 0%, #000 30%); }
.hero-photo image-slot { position:absolute; inset:0; width:100%; height:100%; display:block; filter:grayscale(1) contrast(1.12) brightness(.82); }
.hero-photo .duotone { position:absolute; inset:0; pointer-events:none; }
.hero-photo .duotone-shadow { background:#080808; mix-blend-mode:multiply; opacity:.55; }
.hero-photo .duotone-light { background:var(--orange); mix-blend-mode:multiply; opacity:.55; }
.hero-photo .photo-cap { position:absolute; left:16px; bottom:13px; font-family:var(--mono); font-size:11px; color:rgba(244,242,238,.6); z-index:2; letter-spacing:.05em; }
@media (max-width: 940px){
  .hero-photo { width:100%; opacity:.2; -webkit-mask-image:linear-gradient(180deg,#000,transparent 84%); mask-image:linear-gradient(180deg,#000,transparent 84%); }
}

/* stage: cotas + mock + carimbo */
.hero-stage { position:relative; z-index:3; display:flex; flex-direction:column; gap:12px; }
@media (max-width:940px){ .hero-stage { margin-top:40px; max-width:480px; } }
.cota { display:flex; align-items:center; gap:9px; font-family:var(--mono); font-size:11px; letter-spacing:.06em; color:var(--orange); }
.cota .ln { flex:1; height:0; border-top:1px solid var(--orange); opacity:.6; }
.cota .ar { font-size:9px; opacity:.85; }
.cota .lbl { white-space:nowrap; }
html[data-cotas="off"] .cota { display:none; }
.stage-row { display:flex; align-items:stretch; gap:12px; }
.cota-v { flex-direction:column; min-width:16px; padding-block:2px; }
.cota-v .ln { width:0; height:auto; flex:1; min-height:34px; border-top:none; border-left:1px solid var(--orange); opacity:.6; }
.cota-v .lbl { writing-mode:vertical-rl; transform:rotate(180deg); }
.mock-wrap { position:relative; flex:1; min-width:0; }

.stamp {
  position:absolute; top:-18px; right:-12px; z-index:6; transform:rotate(-8deg);
  border:2px solid var(--orange); color:var(--orange); background:rgba(74,158,255,.08);
  padding:9px 15px 7px; border-radius:2px;
  font-family:var(--display); font-weight:800; font-variation-settings:'wdth' 118;
  font-size:16px; letter-spacing:.18em; text-align:center; line-height:1;
  box-shadow:0 10px 26px -12px rgba(0,0,0,.7);
}
.stamp small { display:block; font-family:var(--mono); font-weight:500; font-size:8.5px; letter-spacing:.07em; opacity:.85; margin-top:4px; }
html[data-stamp="off"] .stamp { display:none; }

/* ---------- Product mock ---------- */
.mock { background: var(--carbon-card); border: 1px solid var(--carbon-line-2); border-radius: var(--radius-lg); box-shadow: 0 50px 90px -45px rgba(0,0,0,0.8); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-bottom: 1px solid var(--carbon-line); font-family: var(--mono); font-size: 12px; color: var(--gray); }
.mock-bar .dots { display: flex; gap: 6px; }
.mock-bar .dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--carbon-line-2); }
.mock-body { padding: 18px; display: flex; flex-direction: column; gap: 13px; }
.mock-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mock-k { font-family: var(--mono); font-size: 12px; color: var(--gray); }
.mock-v { font-size: 14px; color: var(--offwhite); font-weight: 600; font-family: var(--mono); }
.mock-skeleton { height: 8px; border-radius: 2px; background: var(--carbon-line-2); }

/* ---------- Status pills ---------- */
.pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 12px; font-weight: 500; padding: 4px 10px 4px 9px; border-radius: 2px; border: 1px solid; }
.pill .pdot { width: 7px; height: 7px; border-radius: 0; flex: none; }
.pill.is-draft  { color: var(--gray); border-color: var(--carbon-line-2); }
.pill.is-draft .pdot { background: var(--gray); }
.pill.is-active { color: var(--gray-2); border-color: var(--carbon-line-2); background: rgba(255,255,255,0.04); }
.pill.is-active .pdot { background: var(--offwhite); }
.pill.is-signed { color: var(--orange); border-color: var(--orange-line); background: var(--orange-tint); }
.pill.is-signed .pdot { background: var(--orange); }
.pill.is-warn   { color: var(--alert); border-color: var(--alert-line); background: var(--alert-tint); }
.pill.is-warn .pdot { background: var(--alert); }

/* ---------- Section heads + giant outline index ---------- */
.sec-head { max-width: 66ch; display: flex; flex-direction: column; gap: 18px; position: relative; }
.sec-head h2 { font-size: clamp(26px, 2.9vw, 42px); letter-spacing: -0.022em; }
.sec-head .lede { font-size: clamp(17px, 1.6vw, 20px); line-height: 1.5; }
.surface-dark .sec-head .lede { color: var(--gray-2); }
.surface-light .sec-head .lede { color: var(--ink-2); }

.sec-index {
  position: absolute; right: calc(-1 * clamp(0px, 4vw, 60px)); top: -0.35em;
  font-family: var(--display); font-weight: 800; font-variation-settings: 'wdth' 125;
  font-size: clamp(60px, 7.5vw, 116px); line-height: 1; letter-spacing: -0.02em;
  color: transparent; pointer-events: none; user-select: none; z-index: -1;
}
.surface-dark .sec-index { -webkit-text-stroke: 1.5px rgba(74,158,255,0.22); }
.surface-light .sec-index { -webkit-text-stroke: 1.5px rgba(74,158,255,0.34); }
@media (max-width: 760px) { .sec-index { display: none; } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }