/* =======================================================
   Constru•Gera — Landing Page Institucional
   Identidade visual: azul-marinho #1B2A41 / #2E3A63, dourado #C9A227
   Tipografia: Fraunces (títulos) + Inter (corpo)
   ======================================================= */

:root {
  --navy-dark: #1B2A41;
  --navy-title: #2E3A63;
  --gold: #C9A227;
  --gold-soft: #E4C866;
  --white: #FFFFFF;
  --off-white: #F7F5F0;
  --ink: #22252B;
  --ink-soft: #565B66;
  --border-soft: #E3E1DA;
  --radius: 14px;
  --max-width: 1180px;
  --font-title: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  font-family: var(--font-title);
  color: var(--navy-title);
  line-height: 1.2;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
}

h3 {
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
}

p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 10px;
}

section {
  padding: 72px 0;
}

.section-alt {
  background: var(--off-white);
}

.section-dark {
  background: var(--navy-dark);
  color: var(--white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.82);
}

.section-head {
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(27, 42, 65, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(201, 162, 39, 0.25);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.logo-mark .dot {
  color: var(--gold);
}

/* Logo real: troque este bloco de texto por <img src="assets/img/logo-construgera.svg" alt="Constru•Gera Engenharia e Construção" class="logo-img"> quando o arquivo chegar */
.logo-img {
  height: 40px;
  width: auto;
}

nav.primary-nav {
  display: none;
}

nav.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav.primary-nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.88;
  transition: opacity 0.2s ease;
}

nav.primary-nav a:hover {
  opacity: 1;
  color: var(--gold-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  color: var(--white);
  cursor: pointer;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--navy-dark);
  border-top: 1px solid rgba(201, 162, 39, 0.25);
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  color: var(--white);
  text-decoration: none;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 1rem;
}

@media (min-width: 900px) {
  nav.primary-nav {
    display: block;
  }
  .menu-toggle {
    display: none;
  }
  .mobile-nav {
    display: none !important;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  min-height: 48px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
  box-shadow: 0 10px 24px -10px rgba(201, 162, 39, 0.55);
}

.btn-primary:hover {
  background: var(--gold-soft);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-soft);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--navy-title);
  color: var(--navy-title);
}

.btn-outline-dark:hover {
  border-color: var(--gold);
  color: var(--navy-title);
  background: rgba(201, 162, 39, 0.08);
}

.btn-block {
  width: 100%;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--navy-dark) 0%, #223451 100%);
  color: var(--white);
  padding: 64px 0 72px;
}

.hero h1,
.hero h2,
.hero h3,
.cta-final h1,
.cta-final h2,
.cta-final h3 {
  color: var(--white);
}

.hero .container {
  display: grid;
  gap: 36px;
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

.hero-copy p.lead {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.85);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 32px;
}

.trust-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.78);
}

.trust-badges span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero-media {
  border-radius: var(--radius);
  overflow: hidden;
}

/* Placeholder de imagem: substitua por foto real, mantendo a proporção */
.image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: repeating-linear-gradient(
    135deg,
    rgba(201, 162, 39, 0.14),
    rgba(201, 162, 39, 0.14) 12px,
    rgba(255, 255, 255, 0.05) 12px,
    rgba(255, 255, 255, 0.05) 24px
  );
  border: 1.5px dashed rgba(201, 162, 39, 0.55);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.85rem;
  padding: 24px;
  min-height: 220px;
}

.section-alt .image-placeholder,
.section-white .image-placeholder {
  border-color: rgba(46, 58, 99, 0.35);
  background: repeating-linear-gradient(
    135deg,
    rgba(201, 162, 39, 0.1),
    rgba(201, 162, 39, 0.1) 12px,
    rgba(46, 58, 99, 0.04) 12px,
    rgba(46, 58, 99, 0.04) 24px
  );
  color: var(--ink-soft);
}

.image-placeholder .ph-label {
  font-weight: 600;
  color: var(--gold);
  display: block;
  margin-bottom: 6px;
}

/* ---------- Pain / Problem section ---------- */

.pain-grid {
  display: grid;
  gap: 20px;
}

.pain-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px;
}

.pain-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(201, 162, 39, 0.14);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.3rem;
}

/* ---------- Model / transparency section ---------- */

.model-layout {
  display: grid;
  gap: 40px;
  align-items: center;
}

.model-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.model-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ink-soft);
}

.model-points li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 7px;
  flex-shrink: 0;
}

/* ---------- Journey timeline ---------- */

.journey {
  display: grid;
  gap: 18px;
}

.journey-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-soft);
}

.journey-step:last-child {
  border-bottom: none;
}

.journey-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--navy-dark);
  color: var(--gold-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
}

.journey-step h3 {
  margin-bottom: 6px;
}

.journey-step .step-tag {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 4px;
}

/* ---------- Services ---------- */

.services-grid {
  display: grid;
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}

.service-card.featured {
  border-color: var(--gold);
  box-shadow: 0 16px 32px -20px rgba(27, 42, 65, 0.35);
}

.service-card.featured::before {
  content: "Serviço principal";
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--gold);
  color: var(--navy-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}

/* ---------- 3D presentation ---------- */

.three-d-layout {
  display: grid;
  gap: 32px;
  align-items: center;
}

/* ---------- Portfolio ---------- */

.portfolio-grid {
  display: grid;
  gap: 24px;
}

.portfolio-card {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.portfolio-card .portfolio-info {
  padding: 22px;
}

.portfolio-card .portfolio-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.portfolio-credit {
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--border-soft);
  margin-top: 14px;
  padding-top: 12px;
}

/* ---------- Partners ---------- */

.partners-grid {
  display: grid;
  gap: 24px;
}

.partner-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
  align-items: center;
}

.partner-photo {
  width: 88px;
  height: 88px;
  border-radius: 50%;
}

.partner-photo.image-placeholder {
  min-height: 0;
  height: 88px;
  padding: 8px;
  font-size: 0.62rem;
}

.partner-card .credentials {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 4px 0 0;
}

/* ---------- Testimonial ---------- */

.testimonial {
  background: var(--navy-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 44px;
  position: relative;
}

.testimonial blockquote {
  font-family: var(--font-title);
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  line-height: 1.5;
  margin: 0 0 20px;
  font-style: italic;
}

.testimonial cite {
  font-style: normal;
  color: var(--gold-soft);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- How it starts ---------- */

.start-box {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-soft);
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 4px;
  font-weight: 600;
  color: var(--navy-title);
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  padding: 0 4px 20px;
  margin: 0;
}

/* ---------- Final CTA + form ---------- */

.cta-final {
  background: linear-gradient(180deg, #223451 0%, var(--navy-dark) 100%);
  color: var(--white);
}

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  color: var(--ink);
  max-width: 620px;
  margin: 0 auto;
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.5);
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-title);
  margin-bottom: 6px;
}

.form-row input,
.form-row select {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--border-soft);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  background: var(--white);
  color: var(--ink);
}

.form-row input:focus,
.form-row select:focus {
  outline: 3px solid rgba(201, 162, 39, 0.35);
  border-color: var(--gold);
}

.form-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 18px 0;
}

.form-consent input {
  margin-top: 3px;
}

.form-consent a {
  color: var(--navy-title);
  text-decoration: underline;
}

/* Honeypot antispam, invisível para pessoas, visível para bots */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  margin-top: 16px;
}

/* ---------- Footer ---------- */

footer.site-footer {
  background: #121E30;
  color: rgba(255, 255, 255, 0.78);
  padding: 56px 0 28px;
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  gap: 32px;
  margin-bottom: 32px;
}

footer.site-footer h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 14px;
}

footer.site-footer a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.78);
}

footer.site-footer a:hover {
  color: var(--gold-soft);
}

footer.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-authorship {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.42);
  margin-top: 8px;
}

/* ---------- Floating WhatsApp button ---------- */

.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #ffffff;
  padding: 14px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 14px 28px -12px rgba(0, 0, 0, 0.45);
  transition: transform 0.18s ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px) scale(1.02);
}

.whatsapp-float svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.whatsapp-float .wa-text {
  display: none;
}

@media (min-width: 640px) {
  .whatsapp-float .wa-text {
    display: inline;
  }
}

/* ---------- Cookie / LGPD banner ---------- */

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 300;
  background: var(--navy-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: 0 20px 44px -18px rgba(0, 0, 0, 0.5);
  display: none;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 720px;
  margin: 0 auto;
}

.cookie-banner.visible {
  display: flex;
}

.cookie-banner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.86rem;
  flex: 1 1 280px;
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

.cookie-actions button {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.cookie-accept {
  background: var(--gold);
  color: var(--navy-dark);
}

.cookie-decline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
}

/* ---------- Reveal on scroll ----------
   Visível por padrão (funciona sem JavaScript). A classe .reveal-armed
   só é adicionada via script, depois que o observador está pronto,
   então o conteúdo nunca fica invisível se o script falhar ou demorar. */

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.reveal-armed {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.reveal-armed.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Simple policy page ---------- */

.policy-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 0 90px;
}

.policy-content h2 {
  margin-top: 36px;
}

/* =======================================================
   Grid breakpoints (mobile first: 1 coluna por padrão)
   ======================================================= */

@media (min-width: 640px) {
  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 780px) {
  .hero .container {
    grid-template-columns: 1.05fr 0.95fr;
  }
  .model-layout {
    grid-template-columns: 1fr 1fr;
  }
  .three-d-layout {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  section {
    padding: 96px 0;
  }
}