/* ============================================
   DEARF Galvanoplastia e Brutos — Estilos
   Paleta: preto profundo / champagne dourado / rosé metálico / off-white / grafite
   ============================================ */

:root {
  --black: #0A0A0A;
  --champagne: #D5B078;
  --champagne-dark: #C29F63;
  --rose: #C9967B;
  --offwhite: #F7F4EF;
  --graphite: #292929;
  --white: #FFFFFF;

  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Montserrat', sans-serif;
  --font-accent: 'Cormorant Garamond', serif;

  --container: 1200px;
  --radius: 10px;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

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

a { color: inherit; text-decoration: none; }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); text-transform: uppercase; letter-spacing: 0.04em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 16px; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--champagne-dark);
  margin-bottom: 10px;
}
.eyebrow-light { color: var(--champagne); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--champagne);
  color: var(--black);
  padding: 12px 20px;
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus { left: 16px; top: 16px; }

/* focus visibility for keyboard nav */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

.anim-in {
  opacity: 0;
  animation: fadeUp 0.8s ease both;
  animation-delay: var(--d, 0s);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--d, 0s);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-left { transform: translateX(-36px); }
.reveal-left.is-visible { transform: translateX(0); }

.reveal-right { transform: translateX(36px); }
.reveal-right.is-visible { transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .anim-in, .reveal, .reveal-left, .reveal-right {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary {
  background: var(--champagne);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--rose);
  color: var(--black);
}

/* outline button on dark backgrounds */
.btn-outline-dark {
  background: rgba(255, 255, 255, 0.06);
  color: var(--champagne);
  border-color: rgba(213, 176, 120, 0.65);
}
.btn-outline-dark:hover {
  background: var(--champagne);
  color: var(--black);
  border-color: var(--champagne);
}

.btn-whatsapp { margin-top: 8px; }
.btn-whatsapp svg { width: 18px; height: 18px; }

.btn-pill {
  background: var(--champagne);
  color: var(--black);
  border-radius: 10px;
  font-size: 0.72rem;
  line-height: 1.3;
  padding: 10px 18px;
  text-align: center;
}
.btn-pill:hover { background: var(--rose); }

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: var(--black);
  border-bottom: 1px solid rgba(213, 176, 120, 0.15);
  transition: box-shadow var(--transition);
}
.header.is-scrolled { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand { display: flex; align-items: center; height: 100%; }
.brand-logo { height: 64px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  gap: 26px;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--offwhite);
  padding: 6px 2px;
  border-bottom: 1.5px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav-link:hover { color: var(--champagne); border-color: var(--champagne); }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.whatsapp-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(213, 176, 120, 0.65);
  color: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.whatsapp-icon-btn svg { width: 20px; height: 20px; }
.whatsapp-icon-btn:hover { background: var(--champagne); color: var(--black); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--champagne);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  background:
    linear-gradient(100deg, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.78) 45%, rgba(10, 10, 10, 0.45) 100%),
    url("../img/bg/hero-panel.jpg") right 60% / cover no-repeat;
  min-height: 100vh;
  min-height: 100svh;
  padding: 120px 0 64px;
  display: flex;
  align-items: center;
}

.hero-inner {
  width: 100%;
}

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

.hero-text h1 {
  color: var(--offwhite);
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 10px;
}

.hero-slogan {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 600;
  color: var(--champagne);
  text-transform: none;
  letter-spacing: 0;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-bottom: 18px;
}

.hero-desc {
  color: rgba(247, 244, 239, 0.82);
  font-size: 1.02rem;
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ============ FEATURES STRIP ============ */
.features { background: var(--offwhite); padding: 64px 0; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.feature-item { text-align: center; }

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--black);
  color: var(--champagne);
  margin-bottom: 18px;
}
.feature-icon svg { width: 28px; height: 28px; }

.feature-item h3 { color: var(--graphite); text-transform: uppercase; font-size: 0.95rem; letter-spacing: 0.03em; }
.feature-item p { font-size: 0.9rem; color: #5c5c5c; margin-bottom: 0; }

/* ============ SOBRE ============ */
.about { background: var(--black); padding: 90px 0; }

.about-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.about-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  border: 1px solid rgba(213, 176, 120, 0.25);
  background: radial-gradient(circle at center, rgba(213, 176, 120, 0.1), transparent 70%), linear-gradient(160deg, #171313 0%, var(--black) 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}
.about-logo {
  width: 100%;
  max-width: 280px;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}
.about-visual:hover .about-logo { transform: scale(1.05); }

.about-text h2 { color: var(--offwhite); }
.about-text p { color: rgba(247, 244, 239, 0.8); }

/* ============ MERCADO ============ */
.market {
  position: relative;
  background: var(--graphite);
  padding: 80px 0;
  overflow: hidden;
}
.market-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(41, 41, 41, 0.88), rgba(41, 41, 41, 0.94)),
    url("../img/bg/texture-gold-black.jpg") center 60% / cover no-repeat;
}
.market-inner { position: relative; max-width: 820px; }
.market h2 { color: var(--offwhite); }
.market p { color: rgba(247, 244, 239, 0.82); }

/* ============ SECTION HEAD (shared) ============ */
.section-head { max-width: 720px; margin: 0 0 48px; }
.section-sub { color: #5c5c5c; font-size: 1rem; }
.section-sub-light { color: rgba(247, 244, 239, 0.82); }

/* ============ PRODUTOS ============ */
.products { background: var(--offwhite); padding: 90px 0; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(41, 41, 41, 0.08);
  border-radius: var(--radius);
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--champagne);
  box-shadow: 0 18px 34px rgba(41, 41, 41, 0.12);
}

.product-photo-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--offwhite);
}
.product-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.7s ease;
}
.product-photo-bottom { object-position: center 78%; }
.product-card:hover .product-photo { transform: scale(1.12); }

.product-card-more {
  background: transparent;
  border-style: dashed;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
}

.product-card-body {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 20px 16px 22px;
}

.product-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--champagne);
  background: var(--black);
  color: var(--champagne);
}
.product-icon svg { width: 16px; height: 16px; }

.product-card-more .product-icon {
  background: transparent;
  border-color: rgba(213, 176, 120, 0.7);
  color: var(--champagne-dark);
}

.product-card h3 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--graphite); margin: 0; }

.products-note {
  margin-top: 36px;
  max-width: 760px;
  color: #5c5c5c;
  font-size: 0.95rem;
  border-left: 3px solid var(--champagne);
  padding-left: 18px;
}

/* ============ SERVIÇOS ============ */
.services { background: var(--black); padding: 90px 0; }
.services .section-head h2 { color: var(--offwhite); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: linear-gradient(165deg, rgba(213, 176, 120, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(213, 176, 120, 0.22);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(213, 176, 120, 0.5), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--champagne);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(213, 176, 120, 0.08);
  border: 1.5px solid rgba(213, 176, 120, 0.5);
  color: var(--champagne);
  margin-bottom: 22px;
  transition: background var(--transition), transform var(--transition);
}
.service-card:hover .service-icon {
  background: var(--champagne);
  color: var(--black);
  transform: scale(1.08);
}
.service-icon svg { width: 28px; height: 28px; }

.service-card h3 { color: var(--offwhite); margin-bottom: 10px; }
.service-card p { color: rgba(247, 244, 239, 0.72); font-size: 0.92rem; margin-bottom: 0; }

/* ============ DIFERENCIAIS / VALORES ============ */
.values { background: var(--offwhite); padding: 90px 0; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 24px;
}

.value-item { text-align: center; }

.value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1.5px solid rgba(213, 176, 120, 0.7);
  color: var(--champagne-dark);
  margin-bottom: 14px;
}
.value-icon svg { width: 24px; height: 24px; }

.value-item h3 { font-size: 0.92rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--graphite); margin: 0; }

/* ============ CONTATO ============ */
.contact { background: var(--black); padding: 90px 0; }

.contact-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.contact-text h2 { color: var(--offwhite); }
.contact-lead { color: rgba(247, 244, 239, 0.82); font-size: 1.02rem; }

.contact-list { margin: 28px 0 32px; display: flex; flex-direction: column; gap: 16px; }
.contact-list li { display: flex; align-items: flex-start; gap: 14px; color: rgba(247, 244, 239, 0.9); font-size: 0.96rem; }
.contact-list a:hover { color: var(--champagne); }

.contact-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(213, 176, 120, 0.1);
  color: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 16px; height: 16px; }

.contact-visual {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 300px;
  border: 1px solid rgba(213, 176, 120, 0.2);
}
.contact-photo {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.contact-visual:hover .contact-photo { transform: scale(1.05); }

/* ============ FOOTER ============ */
.footer {
  position: relative;
  background: var(--black);
  padding: 72px 0 28px;
  border-top: 1px solid rgba(213, 176, 120, 0.15);
  overflow: hidden;
}

.footer-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 640px;
  height: 240px;
  background: radial-gradient(ellipse at center, rgba(213, 176, 120, 0.16), transparent 70%);
  pointer-events: none;
}

.footer-top {
  position: relative;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-col-brand { padding-right: 12px; }

.footer-logo { height: 60px; margin-bottom: 14px; }
.footer-slogan {
  color: rgba(247, 244, 239, 0.65);
  font-size: 0.9rem;
  margin: 0 0 20px;
  max-width: 34ch;
}

.footer-heading {
  color: var(--champagne);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}

.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a {
  font-size: 0.88rem;
  color: rgba(247, 244, 239, 0.78);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-nav a:hover { color: var(--champagne); padding-left: 4px; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: rgba(247, 244, 239, 0.78);
  line-height: 1.5;
}
.footer-contact svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--champagne);
  margin-top: 1px;
}
.footer-contact a:hover { color: var(--champagne); }

.footer-social { display: flex; gap: 14px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid rgba(213, 176, 120, 0.6);
  color: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.footer-social a svg { width: 18px; height: 18px; }
.footer-social a:hover { background: var(--champagne); color: var(--black); }

.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(247, 244, 239, 0.5);
}

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--black);
  border: 1.5px solid var(--champagne);
  color: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  z-index: 400;
  transition: background var(--transition), color var(--transition);
}
.whatsapp-float svg { width: 26px; height: 26px; }
.whatsapp-float:hover { background: var(--champagne); color: var(--black); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .hero-inner, .about-inner, .contact-inner { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .reveal-left, .reveal-right { transform: translateY(28px); }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 28px;
    border-bottom: 1px solid rgba(213, 176, 120, 0.15);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-list { flex-direction: column; gap: 4px; width: 100%; }
  .nav-list li { width: 100%; }
  .nav-link { display: block; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-cta { margin-top: 18px; width: 100%; justify-content: flex-start; }
}

@media (max-width: 640px) {
  .hero { padding: 130px 0 64px; }
  .features-grid, .products-grid, .services-grid, .values-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .header-inner { height: 72px; }
  .brand-logo { height: 50px; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 50px; height: 50px; }
}