:root {
  --bg: #EAE1D3;
  --bg-alt: #E2D5C3;
  --ink: #2E2E27;
  --text: #3E3E34;
  --text-muted: #55564A;
  --accent: #6E7161;
  --card: #FDFAF4;
  --muted-rgb: 85, 86, 74;
  --bg-rgb: 234, 225, 211;
  --transition-speed: 0.2s ease;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
}

body {
  font-family: 'Archivo', sans-serif;
  color: var(--text-muted);
  width: 100%;
  overflow-x: hidden;
  padding-top: 84px;
}

input, select, button { font-family: 'Archivo', sans-serif; }

a { color: var(--text-muted); text-decoration: none; }
a:hover { color: var(--ink); }

::selection { background: var(--text-muted); color: var(--bg); }

input:focus, select:focus { outline: none; }

.i { font-style: italic; }

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text);
  margin-bottom: 24px;
}

.eyebrow--light { color: #B9B7A6; }

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  background: rgba(var(--bg-rgb), 0.9);
  backdrop-filter: blur(6px);
}

.nav__logo {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text);
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* SECTION 1: MANIFESTO */
.s1 {
  position: relative;
  padding: 40px 48px 120px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.s1__headline {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(40px, 7vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--accent);
  text-transform: uppercase;
}

.s1__indent-1 { margin-left: 12vw; }
.s1__indent-2 { margin-left: 6vw; }

.s1__copy {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin-top: 56px;
  margin-left: auto;
  text-align: right;
}

.s1__lede {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 20px;
}

.s1__body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* SECTION 2: OS 3 MOTORES */
.s2 {
  position: relative;
  border-top: 1px solid rgba(var(--muted-rgb), 0.15);
}

.s2__scroller {
  position: relative;
  height: 220vh;
}

.s2__pin {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 48px;
}

.s2__pin.is-pinned {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
}

.s2__pin.is-after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  top: auto;
}

.s2__inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}

.s2__title {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(28px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 48px;
}

.s2__row {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid rgba(var(--muted-rgb), 0.2);
  align-items: flex-start;
  opacity: 0.6;
  transition: opacity var(--transition-speed);
}

.s2__row.is-active { opacity: 1; }

.s2__bar {
  width: 3px;
  align-self: stretch;
  background: var(--accent);
  opacity: 0.12;
  transition: opacity var(--transition-speed);
}

.s2__row.is-active .s2__bar { opacity: 1; }

.s2__name {
  font-family: 'Archivo Black', sans-serif;
  font-size: 18px;
  text-transform: uppercase;
  color: rgba(var(--muted-rgb), 0.55);
  transition: color var(--transition-speed);
}

.s2__row.is-active .s2__name { color: var(--ink); }

.s2__desc {
  font-size: 17px;
  line-height: 1.5;
  color: rgba(var(--muted-rgb), 0.5);
  transition: color var(--transition-speed);
}

.s2__row.is-active .s2__desc { color: var(--text); }

.s2__list-end {
  border-top: 1px solid rgba(var(--muted-rgb), 0.2);
}

.s2__col-svg {
  display: flex;
  justify-content: center;
}

.s2__svg {
  max-width: 420px;
  aspect-ratio: 1 / 1;
  display: block;
}

.s2__footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 48px 140px;
}

.s2__footer p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  max-width: 760px;
  margin: 0;
}

/* SECTION 3: AS EMPRESAS */
.s3 {
  position: relative;
  border-top: 1px solid rgba(var(--muted-rgb), 0.15);
  background: var(--bg-alt);
}

.s3__scroller {
  position: relative;
  height: 180vh;
}

.s3__pin {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0;
  overflow: hidden;
}

.s3__pin.is-pinned {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
}

.s3__pin.is-after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  top: auto;
}

.s3__head {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 48px;
}

.s3__title {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(32px, 5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 20px;
}

.s3__lede {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 500;
  color: var(--text);
  max-width: 640px;
  margin: 0;
}

.s3__strip-viewport {
  overflow: hidden;
  margin-top: 64px;
}

.s3__strip {
  display: flex;
  gap: 32px;
  padding: 0 48px;
  width: max-content;
  will-change: transform;
}

.s3__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  width: 240px;
}

.s3__logo {
  width: 240px;
  height: 170px;
  background: var(--card);
  border: 1px solid rgba(var(--muted-rgb), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.s3__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.s3__name {
  font-family: 'Archivo Black', sans-serif;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--text);
  text-align: center;
  letter-spacing: 0.01em;
}

.s3__footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 48px 120px;
}

.s3__footer p {
  font-size: 13px;
  color: rgba(var(--muted-rgb), 0.7);
  margin: 0;
}

/* SECTION 4: BPM */
.s4 {
  padding: 120px 48px;
  border-top: 1px solid rgba(var(--muted-rgb), 0.15);
}

.s4__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}

.s4__title {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(30px, 4.4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 32px;
}

.s4__body {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  max-width: 520px;
  margin: 0 0 24px;
}

.s4__body:last-of-type { margin-bottom: 0; }

.s4__note {
  font-size: 15px;
  color: rgba(var(--muted-rgb), 0.7);
  margin-top: 32px;
}

.s4__form {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 8px;
}

.s4__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.s4__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
}

.s4__field input,
.s4__field select {
  border: none;
  border-bottom: 1px solid rgba(var(--muted-rgb), 0.4);
  background: transparent;
  padding: 10px 2px;
  font-size: 17px;
  color: var(--text);
}

#s4Fields {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.s4__submit {
  margin-top: 12px;
  align-self: flex-start;
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.s4__submit:hover { background: var(--text-muted); }

.s4__success {
  padding: 32px 0;
  border-top: 1px solid rgba(var(--muted-rgb), 0.3);
}

.s4__success-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 22px;
  color: var(--text);
  text-transform: uppercase;
  margin: 0 0 8px;
}

.s4__success-body {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
}

.s4__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.s4__error {
  font-size: 14px;
  color: #B5502E;
  margin: 0 0 4px;
}

.s4__submit[disabled] {
  opacity: 0.6;
  cursor: default;
}

/* SECTION 5: INSTITUCIONAL / CONTATO */
.s5 {
  padding: 120px 48px 64px;
  background: var(--ink);
  color: var(--bg);
}

.s5__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.s5__title {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(32px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0 0 48px;
  color: var(--bg);
}

.s5__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(var(--bg-rgb), 0.2);
}

.s5__brand {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.s5__loc { font-size: 15px; color: #B9B7A6; }

.s5__cta {
  font-family: 'Archivo Black', sans-serif;
  font-size: 22px;
  text-transform: uppercase;
  color: var(--bg);
  border-bottom: 2px solid var(--bg);
  padding-bottom: 2px;
}

.s5__social {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: #B9B7A6;
}

.s5__copyright {
  margin-top: 48px;
  font-size: 13px;
  color: #7E7C6C;
}

@media (max-width: 860px) {
  .s2__inner,
  .s4__inner {
    grid-template-columns: 1fr;
  }
  .s1__copy {
    text-align: left;
    margin-left: 0;
  }
  .nav { padding: 20px 24px; }
  .s1, .s4 { padding-left: 24px; padding-right: 24px; }
  .s2__pin { padding: 60px 24px; }
  .s2__footer, .s3__footer { padding-left: 24px; padding-right: 24px; }
  .s3__head { padding: 0 24px; }
  .s3__strip { padding: 0 24px; }
  .s5 { padding: 80px 24px 48px; }
}