/* =============================================
   ENG PAINÉIS — Design System: Industrial Precision
   Palette: Graphite #0D0D0D + Electric Orange #FF5C00
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

/* ---- Tokens ---- */
:root {
  --bg:         #1C1C1C;
  --surface:    #242424;
  --surface2:   #2C2C2C;
  --accent:     #FF1116;
  --accent-dim: #CC0D12;
  --text:       #F0EFE9;
  --muted:      #888888;
  --border:     #333333;
  --white:      #FFFFFF;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Inter', sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Typography ---- */
.display { font-family: var(--font-display); font-weight: 900; line-height: 0.9; text-transform: uppercase; letter-spacing: -0.02em; }
h1.display { font-size: clamp(3.5rem, 9vw, 9rem); }
h2.section-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.2rem, 5vw, 4rem); text-transform: uppercase; line-height: 1; letter-spacing: -0.01em; }
.label { font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
p { font-size: 1rem; color: var(--muted); line-height: 1.75; }
p.lead { font-size: 1.15rem; color: var(--text); opacity: 0.85; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0.85rem 2rem; border: 2px solid transparent;
  cursor: pointer; transition: var(--transition); position: relative;
  clip-path: none;
}
.btn-primary {
  background: var(--accent); color: var(--white); border-color: var(--accent);
}
.btn-primary:hover { background: transparent; color: var(--accent); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--text); border-color: var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* ---- Layout ---- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: var(--space-xl) 0; }
.section-header { margin-bottom: var(--space-lg); }
.section-header .label { margin-bottom: var(--space-xs); display: block; }

/* ---- Header ---- */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
#header.scrolled {
  background: rgba(13,13,13,0.97);
  border-bottom-color: var(--border);
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem var(--space-md);
  max-width: 1280px; margin: 0 auto;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 44px; width: auto; display: block; }
.logo span { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 2.5rem; }
.nav a {
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  transition: var(--transition-fast); position: relative;
}
.nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width var(--transition);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 1rem; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--text);
  transition: var(--transition);
}
.mobile-menu {
  display: none; flex-direction: column;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: var(--space-md); gap: 1rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text);
  border-bottom: 1px solid var(--border); padding-bottom: 0.75rem;
  transition: color var(--transition-fast);
}
.mobile-menu a:hover { color: var(--accent); }

/* ---- Hero ---- */
#home {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('assets/images/hero-bg.webp');
  background-size: cover; background-position: center;
  z-index: 0;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,13,13,0.92) 50%, rgba(13,13,13,0.7) 100%);
}
/* Blueprint grid overlay */
.hero-bg::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(255,92,0,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,92,0,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto;
  padding: 12rem var(--space-md) 8rem;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--accent); padding: 0.35rem 1rem;
  margin-bottom: 2rem;
}
.hero-tag span { font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.hero-tag-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
.hero-h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 4vw, 4.8rem);
  text-transform: uppercase; line-height: 1;
  letter-spacing: -0.01em; color: var(--text);
  max-width: 700px; margin-bottom: 1.5rem;
}
.hero-h1 em { color: var(--accent); font-style: normal; }
.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text); opacity: 0.75;
  max-width: 560px; margin-bottom: 2.5rem; line-height: 1.65;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 4rem; }
.hero-stats {
  display: flex; gap: 3rem; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 2.5rem;
}
.hero-stat-num {
  font-family: var(--font-display); font-weight: 900;
  font-size: 2.8rem; color: var(--accent); line-height: 1;
}
.hero-stat-label {
  font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin-top: 0.25rem;
}
.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  animation: bounce 2s infinite;
  cursor: pointer;
}
.scroll-indicator span { font-family: var(--font-display); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); transition: color var(--transition-fast); }
.scroll-indicator:hover span { color: var(--accent); }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--accent), transparent); }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0);} 50%{transform:translateX(-50%) translateY(8px);} }

/* ---- Sobre ---- */
#sobre { background: var(--surface); }
.sobre-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.sobre-text .section-title { margin-bottom: 1.5rem; }
.sobre-text p { margin-bottom: 1rem; }
.diferenciais { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); margin-top: 3rem; border: 1px solid var(--border); }
.diferencial {
  background: var(--surface); padding: 1.5rem;
  transition: var(--transition);
}
.diferencial:hover { background: var(--surface2); }
.diferencial:hover .dif-icon { color: var(--accent); }
.dif-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.dif-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text); margin-bottom: 0.5rem; }
.dif-desc { font-size: 0.85rem; line-height: 1.6; color: var(--muted); }
.sobre-visual { position: relative; }
.sobre-img-wrapper {
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
}
.sobre-img-wrapper img { width: 100%; height: 480px; object-fit: cover; filter: grayscale(30%); transition: filter 0.5s; }
.sobre-img-wrapper:hover img { filter: grayscale(0%); }
.sobre-badge {
  position: absolute; bottom: -1px; right: -1px;
  background: var(--accent); padding: 1.5rem;
  text-align: center;
}
.sobre-badge-num { font-family: var(--font-display); font-weight: 900; font-size: 2.5rem; color: var(--white); line-height: 1; }
.sobre-badge-text { font-family: var(--font-display); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.8); }

/* ---- Serviços ---- */
#servicos { background: var(--bg); }
.services-intro { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: var(--space-lg); gap: 2rem; flex-wrap: wrap; }
.services-intro p { max-width: 480px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.service-card {
  background: var(--surface); padding: 2rem 1.75rem;
  position: relative; overflow: hidden;
  transition: var(--transition); cursor: default;
}
.service-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent); transform: scaleY(0);
  transition: transform var(--transition); transform-origin: bottom;
}
.service-card:hover { background: var(--surface2); }
.service-card:hover::before { transform: scaleY(1); }
.service-card:hover .service-icon { transform: scale(1.1); }
.service-card-img {
  width: 100%; height: 180px; object-fit: cover;
  border: 1px solid var(--border); margin-bottom: 1.5rem;
  filter: grayscale(40%); transition: filter 0.4s;
}
.service-card:hover .service-card-img { filter: grayscale(0%); }
.service-icon { font-size: 2rem; margin-bottom: 1rem; display: block; transition: transform var(--transition); }
.service-title { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text); margin-bottom: 0.75rem; line-height: 1.1; }
.service-desc { font-size: 0.88rem; color: var(--muted); margin-bottom: 1.25rem; line-height: 1.65; }
.service-items { display: flex; flex-direction: column; gap: 0.5rem; }
.service-item {
  display: flex; align-items: flex-start; gap: 0.6rem;
  font-size: 0.82rem; color: var(--muted);
}
.service-item::before { content: '—'; color: var(--accent); flex-shrink: 0; }

/* ---- Portfólio ---- */
#portfolio { background: var(--surface); }
.portfolio-filters {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.filter-btn {
  font-family: var(--font-display); font-weight: 700; font-size: 0.8rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.5rem 1.25rem; background: transparent;
  border: 1px solid var(--border); color: var(--muted);
  cursor: pointer; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(255,17,22,0.08); }
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border); border: 1px solid var(--border);
  min-height: 300px;
}
.portfolio-card {
  background: var(--surface2); position: relative; overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
  transition: var(--transition);
}
.portfolio-card-img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(50%); transition: filter 0.5s, transform 0.5s;
}
.portfolio-card:hover .portfolio-card-img { filter: grayscale(0%); transform: scale(1.04); }
.portfolio-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(20,20,20,0.98) 0%, rgba(20,20,20,0.7) 100%);
  padding: 1.5rem; display: flex; flex-direction: column;
  justify-content: flex-end; opacity: 0; transition: opacity var(--transition);
}
.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }
.portfolio-card-overlay .label { margin-bottom: 0.4rem; font-size: 0.65rem; }
.portfolio-card-title { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; text-transform: uppercase; color: var(--text); line-height: 1.1; }
.portfolio-card-client { font-size: 0.8rem; color: rgba(240,239,229,0.85); font-weight: 600; margin-top: 0.35rem; }
.portfolio-card-desc { font-size: 0.72rem; color: rgba(240,239,229,0.65); margin-top: 0.3rem; line-height: 1.35; }
.portfolio-empty {
  grid-column: 1/-1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 4rem;
  text-align: center;
}
.portfolio-placeholder-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.3; }
.portfolio-cta { text-align: center; margin-top: var(--space-md); }

/* ---- Contato ---- */
#contato { background: var(--bg); }
.contato-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 5rem; align-items: start;
}
.contato-info .section-title { margin-bottom: 1.5rem; }
.contato-info p { margin-bottom: 2rem; }
.contato-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contato-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem; border: 1px solid var(--border);
  transition: border-color var(--transition);
}
.contato-item:hover { border-color: var(--accent); }
.contato-icon { font-size: 1.5rem; flex-shrink: 0; }
.contato-item-label { font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 0.25rem; }
.contato-item-value { font-size: 0.95rem; color: var(--text); }
.contato-item-value a:hover { color: var(--accent); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-family: var(--font-display); font-weight: 700; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted);
}
.form-input, .form-textarea {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  padding: 0.85rem 1rem; transition: border-color var(--transition);
  outline: none; border-radius: 0; width: 100%;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { min-height: 130px; resize: vertical; }
.form-submit { align-self: flex-start; }
.form-message {
  padding: 0.75rem 1rem; font-size: 0.9rem; font-weight: 500;
  border-left: 3px solid; display: none;
}
.form-message.success { border-color: #22c55e; color: #22c55e; background: rgba(34,197,94,0.1); }
.form-message.error { border-color: #ef4444; color: #ef4444; background: rgba(239,68,68,0.1); }

/* ---- Footer ---- */
#footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: var(--space-md) 0;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-logo { font-family: var(--font-display); font-weight: 900; font-size: 1.3rem; text-transform: uppercase; }
.footer-logo span { color: var(--accent); }
.footer-logo-img { display: flex; align-items: center; }
.footer-nav { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-nav a { font-family: var(--font-display); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); transition: color var(--transition-fast); }
.footer-nav a:hover { color: var(--accent); }
.footer-copy { font-size: 0.8rem; color: var(--muted); text-align: center; width: 100%; padding-top: 1rem; border-top: 1px solid var(--border); margin-top: 0.5rem; }
.footer-copy p { margin: 0.35rem 0; }
.footer-created { display: flex; align-items: center; justify-content: center; gap: 0.4rem; flex-wrap: wrap; }
.footer-fox { display: inline-flex; align-items: center; }
.footer-fox-logo { height: 16px; width: auto; opacity: 0.75; transition: opacity var(--transition); display: block; }
.footer-fox:hover .footer-fox-logo { opacity: 1; }

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ---- WhatsApp Float ---- */
.whatsapp-float {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  background: #25D366; color: #fff;
  width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .sobre-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contato-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
  :root { --space-xl: 5rem; --space-lg: 3rem; }
  .nav { display: none; }
  .nav-cta .btn { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .diferenciais { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  .services-intro { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}