/* =========================================================
   PAREDE DE CONCRETO — Estilos específicos da página
   Design system: Inter + #00B548 (consistente com ATP)
   ========================================================= */

:root {
  --pc-ink: #0A0A0A;
  --pc-green: #00B548;
  --pc-green-dark: #009e3e;
  --pc-bg: #FFFFFF;
  --pc-bg-soft: #F5F5F5;
  --pc-line: rgba(10, 10, 10, 0.08);
  --pc-text: #1F1F1F;
  --pc-text-soft: #2D2D2D;
  --pc-text-mute: #6B6B6B;

  --pc-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --pc-container: 1200px;
  --pc-pad: 24px;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--pc-font);
  color: var(--pc-text);
  background: var(--pc-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }

/* =========================================================
   HEADER (fundo branco, logo Flux original)
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 1px solid rgba(10,10,10,0.08);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 76px;
}
.site-header__logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}
.site-header__logo img {
  height: 44px;
  width: auto;
  display: block;
}
.site-header__nav {
  margin-left: auto;
  display: none;
}
.site-header__nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-header__nav a {
  color: var(--pc-text-soft);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}
.site-header__nav a:hover { color: var(--pc-ink); }
.site-header__cta { display: none; }
.site-header__hamburger {
  margin-left: auto;
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}
.site-header__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--pc-ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (min-width: 768px) {
  .site-header__nav { display: block; }
  .site-header__cta { display: inline-flex; }
  .site-header__hamburger { display: none; }
}

/* =========================================================
   FOOTER (igual ao da página ATP)
   ========================================================= */

.site-footer {
  background: var(--pc-ink);
  color: #FFFFFF;
  padding-top: 64px;
}
.site-footer__inner {
  display: grid;
  gap: 40px;
  padding-bottom: 64px;
}

@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: 2fr 1fr 1fr; }
}

.site-footer__brand a { color: inherit; text-decoration: none; }
.site-footer__logo {
  display: inline-block;
  margin-bottom: 12px;
}
.site-footer__logo img {
  height: 28px;
  width: auto;
}
.site-footer__brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
  max-width: 280px;
  margin: 0;
}
.site-footer__nav h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
  margin: 0 0 16px;
}
.site-footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer__nav a {
  font-size: 14px;
  color: rgba(255,255,255,0.70);
  text-decoration: none;
  transition: color 0.2s ease;
}
.site-footer__nav a:hover { color: #FFFFFF; }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.site-footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.40);
  margin: 0;
}

/* Reset básico — só pro escopo dessa página */
main * {
  box-sizing: border-box;
}

main {
  font-family: var(--pc-font);
  color: var(--pc-text);
  background: var(--pc-bg);
  font-size: 16px;
  line-height: 1.6;
}

main h1, main h2, main h3, main h4 {
  font-family: var(--pc-font);
  color: var(--pc-ink);
  letter-spacing: -0.02em;
  margin: 0;
}

main p {
  margin: 0;
}

main a {
  color: var(--pc-green);
  text-decoration: none;
  transition: color 0.15s ease;
}

main a:hover {
  color: var(--pc-green-dark);
}

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

/* =========================================================
   ELEMENTOS UTILITÁRIOS
   ========================================================= */

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pc-text-mute);
  margin-bottom: 24px;
}

.eyebrow--green {
  color: var(--pc-green);
}

.lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--pc-text);
  margin: 0 0 24px;
  max-width: 780px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--pc-font);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn--primary {
  background: var(--pc-green);
  color: #FFFFFF;
}

.btn--primary:hover {
  background: var(--pc-green-dark);
  color: #FFFFFF;
}

.btn--large {
  padding: 18px 32px;
  font-size: 16px;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
  background: var(--pc-ink);
  color: #FFFFFF;
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(0, 181, 72, 0.12), transparent 60%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  color: var(--pc-green);
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 24px;
  max-width: 18ch;
}

.hero__sub {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 36px;
  max-width: 60ch;
}

/* =========================================================
   SEÇÃO 1 — WHY (por que parede de concreto)
   ========================================================= */

.why {
  padding: 96px 0;
  background: var(--pc-bg);
}

.why h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 22ch;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.why__card {
  background: var(--pc-bg-soft);
  border-left: 3px solid var(--pc-green);
  padding: 28px 28px 32px;
  border-radius: 0 6px 6px 0;
}

.why__card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.why__card p {
  color: var(--pc-text-soft);
  font-size: 15px;
}

/* =========================================================
   SEÇÃO 2 — HOW (como a Flux entrega)
   ========================================================= */

.how {
  padding: 96px 0;
  background: var(--pc-bg-soft);
}

.how h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 22ch;
}

.pillars {
  display: grid;
  gap: 32px;
  margin-top: 48px;
}

.pillar {
  background: #FFFFFF;
  padding: 36px 36px 40px;
  border-radius: 8px;
  border: 1px solid var(--pc-line);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
}

.pillar__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--pc-ink);
  color: var(--pc-green);
  font-family: var(--pc-font);
  font-size: 18px;
  font-weight: 700;
  border-radius: 6px;
}

.pillar h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.25;
}

.pillar p {
  color: var(--pc-text-soft);
  font-size: 15.5px;
  line-height: 1.65;
}

/* =========================================================
   SEÇÃO 3 — LEAN
   ========================================================= */

.lean {
  padding: 96px 0;
  background: var(--pc-ink);
  color: #FFFFFF;
}

.lean h2 {
  color: #FFFFFF;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 24px;
}

.lean .lead {
  color: rgba(255, 255, 255, 0.78);
}

.lean__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
  margin-bottom: 64px;
}

.lean__col {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 28px;
}

.lean__col h3 {
  color: var(--pc-green);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.lean__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lean__col li {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14.5px;
  line-height: 1.55;
  padding: 10px 0 10px 22px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.lean__col li:last-child {
  border-bottom: none;
}

.lean__col li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 10px;
  color: var(--pc-green);
  font-weight: 600;
}

.lean__callout {
  background: linear-gradient(135deg, rgba(0, 181, 72, 0.18) 0%, rgba(0, 181, 72, 0.06) 100%);
  border: 1px solid rgba(0, 181, 72, 0.3);
  border-left: 3px solid var(--pc-green);
  padding: 32px 36px;
  border-radius: 8px;
  margin-top: 16px;
}

.lean__callout h3 {
  color: #FFFFFF;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
}

.lean__callout p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15.5px;
  line-height: 1.65;
}

/* =========================================================
   SEÇÃO 4 — PATHS (projeto vs ATP)
   ========================================================= */

.paths {
  padding: 96px 0;
  background: var(--pc-bg);
}

.paths h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 22ch;
}

.paths__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.paths__card {
  background: var(--pc-bg-soft);
  border: 1px solid var(--pc-line);
  border-radius: 8px;
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
}

.paths__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pc-green);
  margin-bottom: 16px;
}

.paths__card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.25;
}

.paths__card p {
  color: var(--pc-text-soft);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.paths__link {
  font-size: 15px;
  font-weight: 600;
  color: var(--pc-ink);
  border-bottom: 2px solid var(--pc-green);
  align-self: flex-start;
  padding-bottom: 2px;
}

.paths__link:hover {
  color: var(--pc-green);
}

.paths__note {
  margin-top: 32px;
  font-size: 14px;
  color: var(--pc-text-mute);
  font-style: italic;
}

/* =========================================================
   SEÇÃO 5 — LOGOS
   ========================================================= */

.logos {
  padding: 96px 0;
  background: var(--pc-bg-soft);
}

.logos h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 22ch;
}

.logos-featured {
  display: flex;
  justify-content: center;
  margin-top: 48px;
  margin-bottom: 16px;
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

@media (min-width: 480px) {
  .logos-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
  .logos-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .logos-grid { grid-template-columns: repeat(6, 1fr); }
}

.logos-grid__item {
  background: #FFFFFF;
  border-radius: 6px;
  padding: 18px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  border: 1px solid var(--pc-line);
  overflow: hidden;
}

.logos-grid__item img {
  max-width: 100%;
  max-height: 40px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.78;
  transition: filter 0.2s ease, opacity 0.2s ease;
}

.logos-grid__item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.logos-grid__item--featured {
  width: 100%;
  max-width: 280px;
  height: 110px;
  padding: 22px 24px;
}

.logos-grid__item--featured img {
  max-height: 56px;
}

.logos__note {
  margin-top: 32px;
  font-size: 15px;
  color: var(--pc-text-soft);
}

/* =========================================================
   SEÇÃO 6 — TEAM
   ========================================================= */

.team {
  padding: 96px 0;
  background: var(--pc-bg);
}

.team h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.2;
  margin-bottom: 16px;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
  margin-bottom: 48px;
}

.team__card {
  background: var(--pc-bg-soft);
  border-radius: 12px;
  padding: 28px;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  align-items: start;
}

.team__card > img,
.team__photo-placeholder {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  background: #E8E8E8;
}

.team__card > img.bw {
  filter: grayscale(100%);
}

.team__photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--pc-text-mute);
  letter-spacing: 0.04em;
}

.team__bio {
  min-width: 0;
}

.team__card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.25;
}

.team__role {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pc-green);
  margin-bottom: 12px;
}

.team__card p {
  color: var(--pc-text-soft);
  font-size: 14px;
  line-height: 1.6;
}

.team__highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.team__highlights li {
  background: var(--pc-bg-soft);
  border-left: 3px solid var(--pc-green);
  padding: 16px 20px;
  font-size: 14.5px;
  color: var(--pc-text);
  border-radius: 0 6px 6px 0;
}

/* =========================================================
   SEÇÃO 7 — FAQ
   ========================================================= */

.faq {
  padding: 96px 0;
  background: var(--pc-bg-soft);
}

.faq h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.2;
  margin-bottom: 32px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--pc-line);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 56px;
  color: var(--pc-ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: var(--pc-green);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 24px 22px;
  color: var(--pc-text-soft);
  font-size: 15px;
  line-height: 1.65;
}

/* =========================================================
   SEÇÃO 8 — CTA / FORM
   ========================================================= */

.cta {
  padding: 96px 0;
  background: var(--pc-ink);
  color: #FFFFFF;
}

.cta h2 {
  color: #FFFFFF;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 16px;
}

.cta .lead {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 40px;
}

.form {
  display: grid;
  gap: 24px;
  max-width: 760px;
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.form__field span {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
}

.form__field span em {
  color: var(--pc-green);
  font-style: normal;
  margin-left: 2px;
}

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

.form input,
.form textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 13px 16px;
  font-family: var(--pc-font);
  font-size: 15px;
  color: #FFFFFF;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--pc-green);
  background: rgba(255, 255, 255, 0.1);
}

.form textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--pc-font);
}

.form__radio {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 18px 20px;
  display: grid;
  gap: 12px;
}

.form__radio legend {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  padding: 0 6px;
}

.form__radio legend em {
  color: var(--pc-green);
  font-style: normal;
  margin-left: 2px;
}

.form__radio label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
}

.form__radio input[type="radio"] {
  accent-color: var(--pc-green);
  width: 16px;
  height: 16px;
}

.form button[type="submit"] {
  justify-self: start;
  margin-top: 8px;
}

.form__alt {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.form__alt a {
  color: var(--pc-green);
  font-weight: 600;
}

/* =========================================================
   CONTINUE LENDO
   ========================================================= */

.continue {
  padding: 96px 0;
  background: var(--pc-bg);
}

.continue h2 {
  font-size: clamp(26px, 3vw, 32px);
  line-height: 1.2;
  margin-bottom: 32px;
}

.continue__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.continue__card {
  background: var(--pc-bg-soft);
  border: 1px solid var(--pc-line);
  border-radius: 8px;
  padding: 28px;
  text-decoration: none;
  color: var(--pc-text);
  transition: transform 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.continue__card:hover {
  transform: translateY(-2px);
  border-color: var(--pc-green);
  color: var(--pc-text);
}

.continue__card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--pc-ink);
  margin: 0;
}

.continue__card p {
  font-size: 14px;
  color: var(--pc-text-soft);
  line-height: 1.55;
  flex-grow: 1;
}

.continue__arrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--pc-green);
  margin-top: 8px;
}

/* =========================================================
   RESPONSIVO
   ========================================================= */

@media (max-width: 968px) {
  .why__grid,
  .lean__grid,
  .paths__grid,
  .team__grid,
  .continue__grid {
    grid-template-columns: 1fr;
  }

  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .team__highlights {
    grid-template-columns: 1fr;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .pillar {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 72px 0 64px;
  }

  .why,
  .how,
  .lean,
  .paths,
  .logos,
  .team,
  .faq,
  .cta,
  .continue {
    padding: 64px 0;
  }

  .logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team__card {
    grid-template-columns: 88px 1fr;
    padding: 20px;
    gap: 16px;
  }

  .team__card > img,
  .team__photo-placeholder {
    width: 88px;
    height: 88px;
  }

  .team__photo-placeholder {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  .pillar {
    padding: 24px 22px 28px;
  }

  .lean__callout {
    padding: 24px 22px;
  }
}
