:root {
  --ink: #171514;
  --ink-soft: #302b27;
  --paper: #f7f4ef;
  --paper-2: #ebe4dc;
  --white: #ffffff;
  --red: #c8211f;
  --red-dark: #941615;
  --line: #d8d0c8;
  --muted: #746d66;
  --shadow: 0 24px 60px rgba(23, 21, 20, .18);
  font-family: Inter, Aptos, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.5;
}

a { color: inherit; }

img { max-width: 100%; height: auto; }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: minmax(150px, 230px) 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 76px;
  padding: 14px clamp(16px, 4vw, 56px);
  color: var(--paper);
  background: linear-gradient(180deg, rgba(23,21,20,.88), rgba(23,21,20,.38), rgba(23,21,20,0));
}

.brand img { display: block; width: 220px; filter: drop-shadow(0 6px 16px rgba(0,0,0,.35)); }

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 36px);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.nav a,
.header-call,
.button,
.whatsapp-inline,
.float-whatsapp {
  text-decoration: none;
}

.nav a { opacity: .84; }
.nav a:hover { opacity: 1; }

.header-call {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(247,244,239,.42);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: 84svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: url("/assets/arte-logo-jr-projetos.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  filter: saturate(.92) contrast(1.04);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(23,21,20,.92) 0%, rgba(23,21,20,.72) 35%, rgba(23,21,20,.18) 72%, rgba(23,21,20,.42) 100%),
    linear-gradient(180deg, rgba(23,21,20,.35) 0%, rgba(23,21,20,.08) 45%, rgba(23,21,20,.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(820px, calc(100vw - 32px));
  margin-left: clamp(16px, 6vw, 86px);
  padding: 112px 0 56px;
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  max-width: 770px;
  margin-bottom: 22px;
  font-size: clamp(43px, 6.2vw, 82px);
  line-height: .92;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-text {
  max-width: 660px;
  color: rgba(255,255,255,.86);
  font-size: clamp(18px, 2vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
}

.button-primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 14px 30px rgba(200, 33, 31, .28);
}

.button-primary:hover { background: var(--red-dark); }

.button-secondary {
  color: var(--white);
  border-color: rgba(255,255,255,.38);
  background: rgba(255,255,255,.08);
}

.button-secondary:hover { background: rgba(255,255,255,.15); }

.hero-marks {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto 14px;
  border-top: 1px solid rgba(255,255,255,.24);
  border-bottom: 1px solid rgba(255,255,255,.18);
}

.hero-marks span {
  padding: 13px 18px;
  color: rgba(255,255,255,.84);
  border-right: 1px solid rgba(255,255,255,.16);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-band div {
  min-height: 132px;
  padding: 28px clamp(20px, 4vw, 46px);
  background: var(--paper);
}

.signal-band strong {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
  text-transform: uppercase;
}

.signal-band span { color: var(--muted); }

.section {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: clamp(62px, 9vw, 108px) 0;
}

.intro-section,
.contact {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(28px, 7vw, 90px);
}

.intro-copy h2,
.section-heading h2,
.contact h2 {
  max-width: 800px;
  margin-bottom: 18px;
  font-size: clamp(32px, 4.8vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

.intro-copy p,
.section-heading p,
.contact-copy p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.services,
.process,
.audiences { border-top: 1px solid var(--line); }

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 420px);
  gap: 32px;
  align-items: end;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.service-card {
  min-height: 240px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.service-card span {
  display: block;
  margin-bottom: 52px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 24px;
  text-transform: uppercase;
}

.service-card p { color: var(--muted); }

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  list-style: none;
  background: var(--white);
}

.process-list li {
  min-height: 260px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.process-list li:last-child { border-right: 0; }
.process-list strong { display: block; margin-bottom: 14px; font-size: 20px; }
.process-list span { color: var(--muted); }

.audience-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience-row span {
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact {
  width: 100%;
  max-width: none;
  padding-inline: max(16px, calc((100vw - 1180px) / 2));
  background: var(--ink);
  color: var(--paper);
}

.contact-copy { padding-top: 8px; }
.contact-copy p { color: rgba(247,244,239,.72); }

.whatsapp-inline {
  display: inline-block;
  margin-top: 18px;
  color: var(--white);
  font-weight: 900;
  border-bottom: 2px solid var(--red);
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid rgba(247,244,239,.18);
  border-radius: 8px;
  background: rgba(247,244,239,.06);
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 7px;
  color: rgba(247,244,239,.82);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  color: var(--paper);
  border: 1px solid rgba(247,244,239,.24);
  border-radius: 4px;
  background: rgba(0,0,0,.22);
  font: inherit;
  text-transform: none;
}

.lead-form textarea { resize: vertical; }
.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus,
.button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(200,33,31,.42);
  outline-offset: 3px;
}

.full { grid-column: 1 / -1; }

.consent {
  grid-template-columns: 20px 1fr !important;
  align-items: start;
  text-transform: none !important;
  font-weight: 700 !important;
}

.consent input {
  min-height: auto;
  margin-top: 4px;
}

.turnstile-slot:empty { display: none; }

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--paper);
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 34px clamp(16px, 4vw, 56px);
  color: var(--paper);
  background: #0f0e0d;
}

.site-footer img { width: 180px; }
.site-footer p { margin: 0; color: rgba(247,244,239,.68); }
.site-footer a { color: var(--white); font-weight: 900; }

.float-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 25;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  color: var(--white);
  border-radius: 4px;
  background: var(--red);
  box-shadow: 0 18px 38px rgba(0,0,0,.32);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .hero-content { margin-left: 16px; padding-bottom: 72px; }
  .signal-band,
  .intro-section,
  .section-heading,
  .contact,
  .site-footer { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li:nth-child(2) { border-right: 0; }
  .process-list li { border-bottom: 1px solid var(--line); }
  .process-list li:nth-child(n+3) { border-bottom: 0; }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
    padding: 12px 14px;
  }
  .brand img { width: 168px; }
  .header-call { min-height: 38px; padding: 0 12px; }
  .hero { min-height: 82svh; }
  .hero-bg { background-position: 60% center; }
  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(23,21,20,.96), rgba(23,21,20,.72)),
      linear-gradient(180deg, rgba(23,21,20,.22), rgba(23,21,20,.88));
  }
  h1 { font-size: clamp(38px, 13vw, 62px); }
  .hero-text { font-size: 17px; }
  .button { width: 100%; }
  .hero-marks { margin-bottom: 12px; }
  .hero-marks span { flex: 1 1 auto; padding: 10px 12px; }
  .signal-band div { min-height: auto; padding: 22px 16px; }
  .section { width: min(100vw - 28px, 540px); padding: 58px 0; }
  .service-grid,
  .process-list,
  .lead-form { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-card span { margin-bottom: 28px; }
  .process-list li,
  .process-list li:nth-child(2) { border-right: 0; }
  .process-list li:nth-child(n+3) { border-bottom: 1px solid var(--line); }
  .process-list li:last-child { border-bottom: 0; }
  .contact { padding-inline: 14px; }
  .site-footer { padding-bottom: 82px; }
  .float-whatsapp { left: 14px; right: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}