/* ============================================================
   CONSTRUFERNANDES — Obra Forte
   Identidade: azul royal #2E3092 · azul claro #9ECCFA · branco
   Tipografia: Oswald (display, caps) + Inter (corpo)
   ============================================================ */

:root {
  --night:    #0d0f1e;
  --night-2:  #12152b;
  --royal:    #2E3092;
  --royal-2:  #3a3db5;
  --sky:      #9ECCFA;
  --white:    #ffffff;
  --ink:      #e9eaf6;
  --muted:    rgba(233, 234, 246, 0.68);
  --whatsapp: #25D366;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --container: 1160px;
  --radius: 10px;
  --transition: 0.22s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--night);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 22px;
}

/* Textura diagonal sutil usada em blocos escuros */
.texture {
  background-image: repeating-linear-gradient(45deg,
    rgba(255,255,255,0.05) 0, rgba(255,255,255,0.05) 1px,
    transparent 1px, transparent 14px);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--white);
  color: var(--royal);
  padding: 10px 18px;
  font-weight: 700;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }
.site-nav > a:not(.btn):focus-visible,
.cat-card:focus-visible,
.footer-nav a:focus-visible,
.footer-contact a:focus-visible,
.products-note a:focus-visible,
.form-fallback a:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 2px;
}
.site-nav > a:not(.btn):focus-visible::after { right: 0; }

/* ============ TIPOGRAFIA ============ */

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--white);
}

.kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 14px;
}

.section-sub {
  color: var(--muted);
  max-width: 540px;
  margin-top: 16px;
}

.section-head { margin-bottom: 48px; }
.section-head--center { text-align: center; }

/* ============ BOTÕES ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition),
              color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

.btn-primary {
  background: var(--white);
  color: var(--royal);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(158, 204, 250, 0.25); }

.btn-ghost {
  border-color: rgba(255,255,255,0.35);
  color: var(--white);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: var(--white); }

.btn-outline {
  border-color: rgba(158, 204, 250, 0.5);
  color: var(--sky);
}
.btn-outline:hover { background: var(--sky); color: var(--night); }

.btn-whats {
  background: var(--whatsapp);
  color: #06311a;
}
.btn-whats:hover { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3); }

/* ============ HEADER ============ */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 14px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.scrolled {
  background: rgba(13, 15, 30, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  padding: 8px 0;
}
.site-header.menu-open {
  background: rgba(13, 15, 30, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img { width: 150px; height: auto; border-radius: 6px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.site-nav > a:not(.btn) {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.site-nav > a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--sky);
  transition: right var(--transition);
}
.site-nav > a:not(.btn):hover::after { right: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  width: 26px; height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ 1 · HERO ============ */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--royal);
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  mix-blend-mode: multiply;
  filter: grayscale(1) contrast(1.15) brightness(0.95);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 75% 10%, rgba(46, 48, 146, 0.45), transparent 55%),
    linear-gradient(100deg, rgba(13, 15, 30, 0.96) 35%, rgba(13, 15, 30, 0.55) 70%, rgba(13, 15, 30, 0.35));
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 180px;
  background: linear-gradient(transparent, var(--night));
}

.hero-content { position: relative; z-index: 1; max-width: 760px; }

.eyebrow {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.2rem, 10vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--white);
}
.hero-title span { color: var(--sky); }

.hero-sub {
  margin-top: 26px;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sky);
}
.hero-badge span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--whatsapp);
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============ 2 · TRUST BAR ============ */

.trust-bar {
  background: var(--royal);
  padding: 22px 0;
}
.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
}
.trust-item svg { color: var(--sky); flex-shrink: 0; }

/* ============ SEÇÕES (base) ============ */

.section { padding: 96px 0; }

/* ============ 3 · PRODUTOS ============ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  background: var(--night-2);
  border: 1px solid rgba(158, 204, 250, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(158, 204, 250, 0.4);
}

.product-media {
  background: var(--royal);
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.product-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  mix-blend-mode: multiply;
  filter: grayscale(1) contrast(1.1);
  transition: transform 0.4s ease;
}
.product-card:hover .product-media img { transform: scale(1.05); }

.product-body { padding: 26px; }
.product-body h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--white);
}
.product-body p { color: var(--muted); margin: 10px 0 20px; font-size: 0.95rem; }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 26px;
}
.cat-card {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px 12px;
  background: transparent;
  border: 1px solid rgba(158, 204, 250, 0.18);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.cat-card:hover {
  background: var(--royal);
  border-color: var(--royal);
  color: var(--white);
}

.products-note {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}
.products-note a { color: var(--sky); font-weight: 600; text-decoration: underline; }

/* ============ 4 · COMO FUNCIONA ============ */

.steps-section {
  background: var(--night-2);
  background-image: repeating-linear-gradient(45deg,
    rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 1px,
    transparent 1px, transparent 14px);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: passo;
}
.step {
  position: relative;
  padding: 30px 26px;
  background: var(--night);
  border: 1px solid rgba(158, 204, 250, 0.12);
  border-radius: var(--radius);
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--sky);
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin: 16px 0 8px;
}
.step p { color: var(--muted); font-size: 0.95rem; }

/* ============ 5 · DIFERENCIAIS ============ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  padding: 32px 28px;
  background: linear-gradient(160deg, var(--royal) 0%, #232573 100%);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg,
    rgba(255,255,255,0.04) 0, rgba(255,255,255,0.04) 1px,
    transparent 1px, transparent 14px);
  pointer-events: none;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 12px;
}
.feature-card p { color: rgba(255,255,255,0.85); font-size: 0.97rem; }

/* ============ 6 · PARCEIROS (seção clara) ============ */

.partners { background: var(--white); }
.partners .section-title { color: var(--night); }
.partners .kicker { color: var(--royal); }

.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  align-items: center;
}
.partners-grid li {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  border: 1px solid rgba(13, 15, 30, 0.08);
  border-radius: var(--radius);
  background: #fafbff;
}
.partners-grid img {
  max-height: 44px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.75;
  transition: filter var(--transition), opacity var(--transition);
}
.partners-grid li:hover img { filter: none; opacity: 1; }

/* ============ 7 · SOBRE ============ */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: var(--muted); margin-top: 18px; max-width: 480px; }
.about-text .section-title { margin-bottom: 6px; }

.about-motto {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--sky);
  border-left: 3px solid var(--royal-2);
  padding-left: 18px;
}

.about-media {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--royal);
}
.about-media img { width: 100%; }
.about-media figcaption {
  padding: 14px 18px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  background: var(--royal);
}

/* ============ 8 · ORÇAMENTO ============ */

.quote { background: var(--night-2); }

.quote-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 40px;
  align-items: start;
}

.quote-form {
  background: var(--night);
  border: 1px solid rgba(158, 204, 250, 0.15);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  gap: 20px;
}

.field { display: grid; gap: 8px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--white);
  background: var(--night-2);
  border: 1px solid rgba(158, 204, 250, 0.25);
  border-radius: 8px;
  padding: 13px 14px;
  width: 100%;
  transition: border-color var(--transition);
}
.field select { appearance: auto; }
.field select option { color: #111; background: #fff; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(158, 204, 250, 0.18);
}
.field input::placeholder,
.field textarea::placeholder { color: rgba(233, 234, 246, 0.4); }

.field.invalid input,
.field.invalid select { border-color: #ff8a8a; }

.field-error {
  font-size: 0.83rem;
  color: #ff8a8a;
  font-weight: 500;
}

.quote-form .btn-whats { justify-self: start; }

.form-fallback { font-size: 0.9rem; color: var(--muted); }
.form-fallback a { color: var(--sky); font-weight: 600; text-decoration: underline; }

.quote-aside { display: grid; gap: 18px; }
.info-card {
  background: var(--royal);
  border-radius: var(--radius);
  padding: 26px;
}
.info-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sky);
  margin-bottom: 12px;
}
.info-card p { color: rgba(255,255,255,0.9); font-size: 0.95rem; margin-top: 8px; }
.info-card strong { color: var(--white); }

/* ============ 9 · LOCALIZAÇÃO ============ */

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(158, 204, 250, 0.18);
  filter: grayscale(0.35) contrast(1.05);
}
.map-frame iframe { display: block; }

/* ============ FOOTER ============ */

.site-footer {
  background: #090b16;
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand img { width: 170px; border-radius: 6px; }
.footer-brand p { color: var(--muted); margin-top: 16px; max-width: 300px; font-size: 0.93rem; }

.footer-nav, .footer-contact { display: grid; gap: 10px; align-content: start; }
.footer-nav h3, .footer-contact h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sky);
  margin-bottom: 6px;
}
.footer-nav a, .footer-contact a { color: var(--muted); font-size: 0.95rem; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--white); }
.footer-contact p { color: var(--muted); font-size: 0.95rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 22px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(233,234,246,0.65);
}

/* ============ FAB WHATSAPP ============ */

.whatsapp-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.08); }
.whatsapp-fab:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }

/* ============ REVEAL ON SCROLL ============ */

/* Gated em html.js: sem JS o conteúdo nunca fica oculto */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

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

@media (max-width: 1000px) {
  .product-grid, .feature-grid, .steps { grid-template-columns: 1fr 1fr; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-inner { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .quote-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 70px 0; }

  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: rgba(13, 15, 30, 0.98);
    font-size: 1.2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .site-nav.open { transform: none; }

  .hero { min-height: 100svh; padding-top: 110px; }
  .hero-actions .btn { width: 100%; }

  .product-grid, .feature-grid, .steps { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .trust-inner { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .quote-form { padding: 26px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .quote-form .btn-whats { justify-self: stretch; }
}