/* ============================================================
   TRAÇO DUPLO — Landing Page Obras Comerciais
   Design System: Grupo T2 / Traço Duplo (monocromático)
   ============================================================ */

:root{
  /* Cores da marca (paleta oficial monocromática) */
  --black:#000000;
  --ink:#0A0A0A;
  --ink-2:#141414;
  --ink-3:#1E1E1E;
  --white:#FFFFFF;
  --gray:#7F7F7F;
  --neutro:#F5F4F2;
  --line:#E6E6E6;

  --p-50:#F6F6F6; --p-100:#E8E8E8; --p-200:#CFCFCF; --p-300:#A8A8A8;
  --p-400:#7F7F7F; --p-500:#5C5C5C; --p-600:#3D3D3D; --p-700:#262626;
  --p-800:#141414; --p-900:#0A0A0A;

  --gradient-primary:linear-gradient(135deg,#1c1c1c 0%,#000000 100%);
  --gradient-accent:linear-gradient(135deg,#bdbdbd 0%,#7f7f7f 45%,#5a5a5a 70%,#a8a8a8 100%);
  --gradient-hero:radial-gradient(120% 120% at 80% 0%,#242424 0%,#0a0a0a 55%,#000000 100%);

  --shadow-sm:0 1px 2px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.06);
  --shadow-md:0 4px 12px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:0 12px 32px rgba(0,0,0,.14), 0 4px 8px rgba(0,0,0,.08);
  --shadow-xl:0 28px 60px rgba(0,0,0,.22), 0 8px 16px rgba(0,0,0,.10);
  --shadow-accent:0 16px 40px rgba(127,127,127,.45);

  --ease:cubic-bezier(.4,0,.2,1);
  --ease-spring:cubic-bezier(.34,1.2,.64,1);
  --ease-out:cubic-bezier(.33,1,.68,1);
  --ease-soft:cubic-bezier(.4,0,.15,1);

  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:24px;

  --font:'Manrope',system-ui,-apple-system,sans-serif;
  --mono:'Söhne Mono',ui-monospace,'SF Mono',Menlo,monospace;

  --pad-x:clamp(22px,6vw,104px);
  --maxw:1280px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html.is-locked{overflow:hidden}

/* ---- Lenis smooth scroll ---- */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:clip}
.lenis.lenis-smooth iframe{pointer-events:none}
body{
  font-family:var(--font);
  background:var(--white);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-loading{overflow:hidden;height:100vh}
img{display:block;max-width:100%}
::selection{background:var(--ink);color:var(--white)}

/* ============ TYPE PRIMITIVES ============ */
.overline{
  display:inline-flex;align-items:center;gap:13px;
  font-size:10px;letter-spacing:.34em;text-transform:uppercase;
  font-weight:600;color:var(--gray);
}
.overline::before{content:"";width:26px;height:1px;background:var(--gray);display:inline-block}
.overline.center::before{display:none}

.sec-num{
  font-family:var(--mono);font-size:11px;font-weight:500;
  color:var(--p-300);letter-spacing:.12em;
}

h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.04;font-weight:800}
.lead{font-weight:300}

/* ============ BUTTON ============ */
.btn{
  font-family:var(--font);font-weight:700;border:none;cursor:pointer;
  border-radius:var(--r-md);display:inline-flex;align-items:center;justify-content:center;gap:10px;
  transition:transform .35s var(--ease-spring), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
  letter-spacing:.01em;text-decoration:none;white-space:nowrap;
  padding:16px 30px;font-size:15.5px;
}
.btn .arr{transition:transform .35s var(--ease-spring)}
.btn:hover .arr{transform:translateX(5px)}
.btn-primary{background:var(--gradient-accent);color:var(--ink);box-shadow:var(--shadow-md);background-size:160% 160%;background-position:0% 50%;transition:background-position .5s var(--ease), transform .35s var(--ease-spring), box-shadow .3s var(--ease)}
.btn-primary:hover{box-shadow:var(--shadow-accent);transform:translateY(-3px);background-position:100% 50%}
.btn-light{background:var(--white);color:var(--ink)}
.btn-light:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.btn-outline-light{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.28)}
.btn-outline-light:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-sm{padding:11px 20px;font-size:13.5px}

/* ============ IMAGE PLACEHOLDER ============ */
.ph{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-lg);
  background:
    repeating-linear-gradient(135deg, rgba(127,127,127,.07) 0 1px, transparent 1px 11px),
    var(--neutro);
  display:flex;align-items:center;justify-content:center;
  isolation:isolate;
}
.ph::after{
  content:attr(data-label);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--p-400);font-weight:500;text-align:center;padding:14px 22px;
  border:1px dashed var(--p-200);border-radius:100px;background:rgba(255,255,255,.55);backdrop-filter:blur(2px);
  max-width:80%;line-height:1.5;
}
.ph.has-img{background:none;border-color:var(--line)}
.ph.has-img::after{display:none}
.ph .ph-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.ph.has-img .corner{z-index:2;border-color:rgba(255,255,255,.85)}
.ph.dark{
  border-color:rgba(255,255,255,.09);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 1px, transparent 1px 11px),
    var(--ink-2);
}
.ph.dark::after{color:#8a8a8a;border-color:rgba(255,255,255,.14);background:rgba(255,255,255,.03)}
.ph .corner{position:absolute;width:13px;height:13px;border:1.5px solid var(--p-300);z-index:2}
.ph.dark .corner{border-color:rgba(255,255,255,.2)}
.ph .corner.tl{top:14px;left:14px;border-right:0;border-bottom:0}
.ph .corner.tr{top:14px;right:14px;border-left:0;border-bottom:0}
.ph .corner.bl{bottom:14px;left:14px;border-right:0;border-top:0}
.ph .corner.br{bottom:14px;right:14px;border-left:0;border-top:0}

/* ============ REVEAL ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1.25s var(--ease-out), transform 1.25s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
[data-delay="1"]{transition-delay:.12s}
[data-delay="2"]{transition-delay:.24s}
[data-delay="3"]{transition-delay:.36s}
[data-delay="4"]{transition-delay:.48s}
[data-delay="5"]{transition-delay:.60s}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* line that draws in */
.draw-line{position:relative;height:1px;background:var(--line);overflow:hidden}
.draw-line.dark{background:rgba(255,255,255,.12)}
.draw-line::after{content:"";position:absolute;inset:0;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease-out)}
.draw-line.dark::after{background:var(--white)}
.draw-line.in::after{transform:scaleX(1)}