/* ==========================================================================
   PRISMA — design tokens
   Paper white, ink black, one red accent lifted from the brand's graffiti mark.
   Signature device: the logo's stacked, offset squares — reused as a structural
   motif (frames, dividers, hover states) rather than decoration.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --paper: #FBFAF7;
  --ink: #101010;
  --muted: #6E6C66;
  --line: #E4E1D8;
  --block: #0A0A0A;
  --red: #E5401F;
  --paper-rgb: 251,250,247;

  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --wrap: 1180px;
  --pad: clamp(24px, 5vw, 64px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

::selection{ background: var(--red); color: var(--paper); }

img{ max-width: 100%; display:block; }
a{ color: inherit; text-decoration: none; }

h1,h2,h3{
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

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

/* ---------- logo (recreated in type, not image, for crisp use in nav) ---------- */
.logo{
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.logo .dot{
  display:inline-block;
  width: 5px; height: 5px;
  background: var(--red);
  transform: rotate(45deg);
  margin: 0 1px 12px -1px;
}

/* ---------- header ---------- */
header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(var(--paper-rgb), 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px var(--pad);
  max-width: var(--wrap); margin: 0 auto;
}
.nav-links{
  display:flex; align-items:center; gap: 36px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-size: 14px; font-weight: 500; color: var(--ink);
  position:relative; padding-bottom: 4px;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{ transform: scaleX(1); }
.nav-links a.active{ color: var(--ink); font-weight: 600; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--body); font-weight: 600; font-size: 14px;
  padding: 11px 20px;
  border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper);
  cursor:pointer;
  transition: box-shadow .2s ease, transform .2s ease;
}
.btn:hover{
  box-shadow: 5px 5px 0 0 var(--red);
  transform: translate(-2px,-2px);
}
.btn.ghost{
  background: transparent; color: var(--ink);
}
.btn.ghost:hover{ box-shadow: 5px 5px 0 0 var(--ink); }

.menu-toggle{ display:none; }

/* ---------- hero ---------- */
.hero{
  padding: 48px var(--pad);
  max-width: var(--wrap); margin: 0 auto;
  display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px;
  align-items:center;
  min-height: calc(100svh - 65px); /* fills the first screen so the black manifesto stays below the fold */
}
.hero h1{
  font-size: clamp(40px, 5.4vw, 74px);
  margin-top: 18px;
}
.hero h1 .accent{ position:relative; white-space:nowrap; }
.hero h1 .accent svg{
  position:absolute; left:-4%; right:-4%; bottom:-0.14em; width:108%; height:0.42em;
  z-index:-1;
}
.hero p.lead{
  margin-top: 22px; max-width: 46ch;
  font-size: 18px; color:#2B2A26;
}
.hero-cta{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

.frame{
  position:relative;
  aspect-ratio: 1/1.02;
  background: var(--block);
  padding: 10px;
}
.frame::before{
  content:"";
  position:absolute; inset: -10px 10px 10px -10px;
  border: 1px solid var(--ink);
  z-index:-1;
}
.frame img{ width:100%; height:100%; object-fit: contain; }
.frame figcaption{
  font-family: var(--mono); font-size: 11px; letter-spacing:.08em;
  color: var(--muted); margin-top: 14px; text-transform: uppercase;
}

/* ---------- sections generic ---------- */
section{ padding: 96px var(--pad); }
section.tight{ padding-top: 0; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(28px, 3.6vw, 42px); margin-top: 14px; }
.section-inner{ max-width: var(--wrap); margin: 0 auto; }

hr.rule{ border:none; border-top:1px solid var(--line); margin:0; }

/* ---------- manifesto / about ---------- */
.manifesto{ background: var(--block); color: var(--paper); }
.manifesto .section-inner{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items:start; }
.manifesto .eyebrow{ color: rgba(251,250,247,0.55); }
.manifesto h2{ color: var(--paper); }
.manifesto p{ color: rgba(251,250,247,0.82); font-size: 17px; margin: 0 0 18px; }
.manifesto p:last-child{ margin-bottom:0; }
.manifesto-art{ position:relative; }
.manifesto-art img{ width:100%; }

/* four pillars from the logotype: forma / conteúdo / visão / palavra */
.pillars{
  display:grid; grid-template-columns: repeat(4,1fr); gap:1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 12px;
}
.pillar{
  background: var(--paper); padding: 28px 22px;
}
.pillar .num{ font-family: var(--mono); font-size:12px; color: var(--red); }
.pillar h3{ font-family: var(--display); font-size: 18px; margin: 14px 0 8px; letter-spacing: 0.02em; }
.pillar p{ font-size: 14px; color: var(--muted); margin:0; }

/* ---------- services teaser / cards ---------- */
.card-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card{
  background: var(--paper); padding: 40px;
  transition: box-shadow .25s ease;
  position: relative;
}
.service-card:hover{ box-shadow: inset 0 0 0 1px var(--ink); }
.service-card .tag{ font-family: var(--mono); font-size: 11px; letter-spacing:.1em; color: var(--red); text-transform:uppercase; }
.service-card h3{ font-size: 26px; margin: 12px 0 14px; }
.service-card p{ color:#3a3833; margin:0 0 20px; }
.service-card ul{ margin:0 0 24px; padding-left: 18px; color:#3a3833; font-size:14px; }
.service-card li{ margin-bottom:6px; }
.service-card a.more{ font-weight:600; font-size:14px; display:inline-flex; align-items:center; gap:6px; }
.service-card a.more::after{ content:"→"; transition: transform .2s ease; }
.service-card a.more:hover::after{ transform: translateX(4px); }

/* ---------- client wall ---------- */
.wall{
  display:grid; grid-template-columns: repeat(3,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line);
}
.wall-item{
  border-right:1px solid var(--line); border-bottom:1px solid var(--line);
  padding: 34px 24px; display:flex; align-items:center; justify-content:center;
  min-height: 108px; text-align:center;
}
.wall-item span{
  font-family: var(--display); font-weight:600; font-size: 17px; letter-spacing: -0.01em; color:#2B2A26;
}

/* ---------- portfolio ---------- */
.case-list{ display:flex; flex-direction:column; }
.case{
  display:grid; grid-template-columns: 100px 1fr auto; gap: 28px; align-items: baseline;
  padding: 34px 0; border-top: 1px solid var(--line);
}
.case:last-child{ border-bottom: 1px solid var(--line); }
.case .idx{ font-family: var(--mono); font-size: 13px; color: var(--red); }
.case h3{ font-size: 24px; margin-bottom: 8px; }
.case p{ margin:0; color: var(--muted); max-width: 62ch; font-size: 15px; }
.case .tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:10px; }
.case .tags span{ font-family: var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em; color: var(--muted); border:1px solid var(--line); padding:4px 8px; }
.case .type{ font-family: var(--mono); font-size:12px; color: var(--muted); text-align:right; white-space:nowrap; }

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--ink); color: var(--paper);
  padding: 72px var(--pad); text-align:center;
}
.cta-band h2{ color: var(--paper); font-size: clamp(26px,3.4vw,40px); }
.cta-band p{ color: rgba(251,250,247,0.7); margin: 14px auto 30px; max-width: 50ch; }
.cta-band .hero-cta{ justify-content:center; }
.cta-band .btn{ border-color: var(--paper); }
.cta-band .btn:not(.ghost){ background: var(--paper); color: var(--ink); }
.cta-band .btn:not(.ghost):hover{ box-shadow: 5px 5px 0 0 var(--red); }
.cta-band .btn.ghost{ color: var(--paper); }
.cta-band .btn.ghost:hover{ box-shadow: 5px 5px 0 0 var(--paper); }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border:1px solid var(--line); margin-top: 20px; }
.contact-item{ background: var(--paper); padding: 36px; }
.contact-item .eyebrow{ margin-bottom: 10px; }
.contact-item .value{ font-family: var(--display); font-size: 22px; font-weight:600; }
.contact-item a.value:hover{ color: var(--red); }
.contact-item p.hint{ color: var(--muted); font-size:14px; margin: 10px 0 0; }

.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field{ margin-bottom: 22px; }
.field label{ display:block; font-family: var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color: var(--muted); margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; border:none; border-bottom: 1px solid var(--line);
  background: transparent; padding: 10px 2px; font-family: var(--body); font-size:15px; color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline: none; border-bottom-color: var(--ink);
}
.field textarea{ resize: vertical; min-height: 110px; }

/* ---------- footer ---------- */
footer{ border-top: 1px solid var(--line); padding: 44px var(--pad) 36px; }
.footer-inner{
  max-width: var(--wrap); margin:0 auto;
  display:flex; align-items:flex-end; justify-content:space-between; gap: 24px; flex-wrap:wrap;
}
.footer-links{ display:flex; gap: 26px; list-style:none; padding:0; margin: 0; }
.footer-links a{ font-size: 13px; color: var(--muted); }
.footer-links a:hover{ color: var(--ink); }
.footer-meta{ font-family: var(--mono); font-size: 11px; color: var(--muted); text-align:right; }
.footer-pillars{ font-family: var(--mono); font-size: 11px; letter-spacing:.08em; color: var(--muted); margin-top: 4px; }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- page intro (services/portfolio/contact headers) ---------- */
.page-hero{ padding: 64px var(--pad) 20px; max-width: var(--wrap); margin:0 auto; }
.page-hero h1{ font-size: clamp(36px,4.6vw,58px); margin-top:14px; max-width: 20ch; }
.page-hero p{ margin-top:18px; max-width: 56ch; font-size:17px; color:#3a3833; }

/* ---------- responsive ---------- */
@media (max-width: 880px){
  .hero{ grid-template-columns: 1fr; padding-top: 40px; min-height: 0; }
  .frame{ order:-1; max-width: 360px; margin: 0 auto; }
  .manifesto .section-inner{ grid-template-columns: 1fr; }
  .pillars{ grid-template-columns: repeat(2,1fr); }
  .card-grid{ grid-template-columns: 1fr; }
  .wall{ grid-template-columns: repeat(2,1fr); }
  .contact-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .case{ grid-template-columns: 1fr; gap: 8px; }
  .case .type{ text-align:left; }
  .nav-links{ display:none; }
  .menu-toggle{ display:block; background:none; border:none; cursor:pointer; }
}