/* ============================================================
   oui,go — sistema de design
   Tokens derivados da marca: dourado em gradiente (logo) sobre
   tinta quase-preta, serifada com personalidade + grotesca limpa.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Syne:wght@400;500;600;700;800&display=swap');

:root{
  /* cor */
  --ink:        #14120d;
  --ink-2:      #1c1810;
  --ink-3:      #241f15;
  --paper:      #f4eee0;
  --paper-dim:  #cdc3aa;
  --stone:      #938972;
  --line:       #33291b;
  --line-soft:  #241f15;
  --gold-light: #ecd693;
  --gold-mid:   #c9a24a;
  --gold-deep:  #a97c2e;
  --gold-grad: linear-gradient(120deg, var(--gold-light) 0%, var(--gold-mid) 45%, var(--gold-deep) 100%);
  --gold-grad-soft: linear-gradient(120deg, rgba(236,214,147,.16), rgba(169,124,46,.05));

  /* tipografia */
  --f-display: "Fraunces", "Iowan Old Style", serif;
  --f-body: "Syne", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --f-mono: "Syne", -apple-system, sans-serif;

  /* ritmo */
  --gap: clamp(1.25rem, 2vw, 2rem);
  --section-pad: clamp(4.5rem, 9vw, 8.5rem);
  --edge: clamp(1.5rem, 5vw, 5rem);
  --radius: 2px;
  --max: 1280px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; color-scheme: dark; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(201,162,74,.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at -10% 30%, rgba(201,162,74,.06), transparent 55%);
  background-attachment: fixed;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,h4{ font-family: var(--f-display); font-weight: 500; margin: 0 0 .5em; letter-spacing: -0.01em; }
p{ margin: 0 0 1em; color: var(--paper-dim); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; }

::selection{ background: var(--gold-mid); color: var(--ink); }

/* foco visível */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--gold-mid);
  outline-offset: 3px;
}

.wrap{ max-width: var(--max); margin: 0 auto; padding-left: var(--edge); padding-right: var(--edge); }

.eyebrow{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-mid);
  display: inline-flex;
  align-items: center;
  gap: .6em;
  margin-bottom: 1.1em;
}
.eyebrow::before{
  content:"";
  width: 1.4em; height: 1px;
  background: var(--gold-mid);
  display:inline-block;
}

/* -------- wordmark: o "," reaproveita o pingo do símbolo -------- */
.wordmark{
  font-family: var(--f-display);
  display: inline-flex;
  align-items: baseline;
  gap: .06em;
  white-space: nowrap;
}
.wordmark .oui{ font-style: italic; font-weight: 400; }
.wordmark .dot{
  width: .17em; height: .17em;
  border-radius: 50%;
  background: var(--gold-grad);
  display: inline-block;
  transform: translateY(-0.42em);
  margin: 0 .02em;
}
.wordmark .go{
  font-weight: 600;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= header ================= */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(20,18,13,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:.6rem; }
.brand img{ height: 30px; width:auto; }
.brand .wordmark{ font-size: 1.28rem; }

.nav-links{ display:flex; align-items:center; gap: clamp(1.2rem,2vw,2.4rem); }
.nav-links a{
  font-size: .92rem; color: var(--paper-dim);
  transition: color .2s ease;
  position: relative;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--paper); }
.nav-links a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-8px; height:1px; background: var(--gold-grad);
}
.nav-cta{
  border: 1px solid var(--gold-mid);
  padding: .55rem 1.15rem;
  font-size: .85rem;
  border-radius: var(--radius);
  transition: background .2s ease, color .2s ease;
}
.nav-cta:hover{ background: var(--gold-mid); color: var(--ink); }

.nav-toggle{
  display:none; background:none; border:none; color:var(--paper); cursor:pointer;
  width: 34px; height: 34px; padding:0;
}
.nav-toggle svg{ width:100%; height:100%; }

@media (max-width: 860px){
  .nav-links{
    position: fixed; inset: 76px 0 0 0;
    background: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem var(--edge);
    gap: 1.6rem;
    transform: translateX(100%);
    transition: transform .35s ease;
    overflow-y:auto;
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ font-size: 1.2rem; }
  .nav-toggle{ display:block; }
}

/* ================= botões ================= */
.btn{
  display:inline-flex; align-items:center; gap:.55rem;
  font-family: var(--f-mono);
  font-size: .82rem; letter-spacing:.03em;
  padding: .95rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-gold{ background: var(--gold-grad); color: var(--ink); font-weight: 700; }
.btn-gold:hover{ box-shadow: 0 10px 30px -10px rgba(201,162,74,.55); }
.btn-ghost{ border-color: var(--line); color: var(--paper); }
.btn-ghost:hover{ border-color: var(--gold-mid); color: var(--gold-light); }
.btn-arrow{ transition: transform .2s ease; }
.btn:hover .btn-arrow{ transform: translate(3px,-3px); }

/* ================= ascent line — elemento assinatura ================= */
.ascent{ width:100%; display:block; }
.ascent path{
  fill:none; stroke: url(#ascentGrad); stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1400; stroke-dashoffset: 1400;
  transition: stroke-dashoffset 1.6s cubic-bezier(.2,.7,.2,1);
}
.ascent.in-view path{ stroke-dashoffset: 0; }
.ascent circle{ opacity:0; transition: opacity .5s ease .9s; }
.ascent.in-view circle{ opacity:1; }

.divider{
  display:flex; align-items:center; gap: 1rem;
  color: var(--stone); margin: 0 0 var(--gap);
}
.divider .stub{ width: 46px; height: 14px; flex-shrink:0; }
.divider .stub path{ stroke-dasharray:none; stroke-dashoffset:0; transition:none; }
.divider span{ font-family: var(--f-mono); font-size:.72rem; letter-spacing:.15em; text-transform:uppercase; }

/* ================= layout genérico ================= */
section{ padding: var(--section-pad) 0; }
.section-head{ max-width: 640px; margin-bottom: clamp(2.2rem,4vw,3.5rem); }
.section-head h2{ font-size: clamp(1.9rem, 3.4vw, 2.7rem); color: var(--paper); }
.section-head p{ font-size: 1.05rem; }

.grid{ display:grid; gap: var(--gap); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){ .grid-3{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px){ .grid-3, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  padding: clamp(1.6rem,2.4vw,2.3rem);
  border-radius: var(--radius);
  transition: border-color .25s ease, transform .25s ease;
}
.card:hover{ border-color: var(--gold-deep); transform: translateY(-3px); }
.card .num{ font-family: var(--f-mono); color: var(--gold-mid); font-size: .8rem; letter-spacing:.1em; }
.card h3{ font-size: 1.25rem; margin-top:.4em; color: var(--paper); }
.card p{ margin-bottom:0; font-size: .96rem; }

.stat{ }
.stat b{ font-family: var(--f-display); font-size: clamp(2.1rem,4vw,3.1rem); font-weight:500; color: var(--paper);
  background: var(--gold-grad); -webkit-background-clip:text; background-clip:text; color:transparent; display:block; }
.stat span{ font-family: var(--f-mono); font-size:.78rem; color: var(--stone); letter-spacing:.06em; }

.reveal{ opacity:0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform: translateY(0); }

/* ================= footer ================= */
footer{
  border-top: 1px solid var(--line-soft);
  padding: 3.5rem 0 2rem;
  margin-top: var(--section-pad);
}
.foot-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
@media (max-width: 760px){ .foot-grid{ grid-template-columns: 1fr 1fr; } }
.foot-grid h4{ font-family: var(--f-mono); font-size:.75rem; letter-spacing:.12em; text-transform:uppercase; color: var(--stone); margin-bottom:1em; }
.foot-grid a, .foot-grid p{ display:block; font-size:.92rem; color: var(--paper-dim); margin-bottom:.65em; }
.foot-grid a:hover{ color: var(--gold-light); }
.foot-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 1rem;
  padding-top: 1.8rem; border-top: 1px solid var(--line-soft);
  font-size:.8rem; color: var(--stone); font-family: var(--f-mono);
}

/* ================= página interna: hero curto ================= */
.page-hero{ padding-top: clamp(3.5rem,7vw,6rem); padding-bottom: clamp(2.5rem,5vw,4rem); }
.page-hero h1{ font-size: clamp(2.3rem, 5vw, 3.6rem); }
.page-hero .lede{ font-size: 1.15rem; max-width: 620px; }

/* ================= formulários ================= */
input::placeholder, textarea::placeholder{ color: var(--stone); opacity:.8; }
input, textarea, select{ transition: border-color .2s ease; }
input:focus, textarea:focus, select:focus{ border-color: var(--gold-mid) !important; }
summary{ list-style: revert; }
summary::marker{ color: var(--gold-mid); }
details[open] summary{ color: var(--gold-light); }

/* ================= utilidades ================= */
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }
.tag{
  display:inline-block; font-family: var(--f-mono); font-size:.72rem; letter-spacing:.08em;
  border:1px solid var(--line); padding:.3rem .7rem; border-radius: var(--radius); color: var(--stone);
}