/* ==========================================================================
   TOKENS
   ========================================================================== */
:root{
  --steel-050: #F1F2F4;
  --steel-100: #E4E7EA;
  --steel-300: #C7CDD3;
  --steel-500: #8A94A0;
  --steel-blue: #5B6B7C;

  --graphite-900: #15171A;
  --graphite-800: #1B1E22;
  --graphite-700: #262A30;

  --flame-500: #E2001A;
  --flame-600-solid: #B4000F;

  --whatsapp: #25D366;

  --ink: #15171A;
  --paper: #F6F5F2;

  --font-brand: "Poppins", "Work Sans", sans-serif;
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius-sm: 4px;
  --radius-md: 8px;

  --wrap: 1180px;
}

/* ==========================================================================
   RESET
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin: 0; padding: 0; list-style: none; }
h1, h2, h3{ margin: 0; font-family: var(--font-display); }
p{ margin: 0; }
button{ font: inherit; cursor: pointer; }
input, select, textarea{ font: inherit; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

:focus-visible{
  outline: 2px solid var(--flame-500);
  outline-offset: 3px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--flame-500);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus{ left: 10px; top: 10px; }

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

/* ==========================================================================
   BRUSHED METAL TEXTURE (utility)
   ========================================================================== */
.texture-dark{
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 3px);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }

.btn-primary{
  background: var(--flame-500);
  color: #fff;
}
.btn-primary:hover{ background: var(--flame-600-solid); }

.btn-ghost{
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-ghost:hover{ border-color: #fff; background: rgba(255,255,255,0.06); }

.btn-dark{
  background: var(--graphite-900);
  color: #fff;
}
.btn-dark:hover{ background: #000; }

.btn-whatsapp{
  background: var(--whatsapp);
  color: #fff;
  padding: 10px 18px;
  font-size: 0.88rem;
}
.btn-whatsapp:hover{ background: #1FB855; }

.btn-full{ width: 100%; justify-content: center; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--graphite-900);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}
.brand-word{
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 2.1rem;
  letter-spacing: -0.01em;
  text-transform: lowercase;
}
.brand-dot{
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--flame-500);
  flex-shrink: 0;
}
.main-nav{
  display: flex;
  gap: 32px;
  flex: 1;
  justify-content: center;
}
.main-nav a{
  color: var(--steel-300);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.main-nav a:hover{ color: #fff; }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span{
  width: 22px;
  height: 2px;
  background: #fff;
  display: block;
}

/* ==========================================================================
   EYEBROW / SECTION TITLES
   ========================================================================== */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--flame-500);
  margin: 0 0 14px;
}
.eyebrow-dark{ color: var(--flame-600-solid); }

.section-title{
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title--light{ color: #fff; }

.section-sub{
  max-width: 560px;
  color: #4b5158;
  margin-bottom: 48px;
  font-size: 1.02rem;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  background: var(--graphite-900);
  color: #fff;
  padding: 96px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(120deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 4px);
  pointer-events: none;
}
.hero-inner{ position: relative; }

.hero-title{
  font-size: clamp(2.6rem, 6.4vw, 5rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: 0.005em;
  margin-bottom: 24px;
}
.hero-title .accent{ color: var(--flame-500); }

.hero-sub{
  max-width: 560px;
  font-size: 1.08rem;
  color: var(--steel-300);
  margin-bottom: 36px;
}

.hero-ctas{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* ---- signature element: nameplate / rating plate ---- */
.plate-row{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 680px;
}
.plate{
  position: relative;
  background: var(--graphite-700);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 20px 18px 16px;
}
.plate::before, .plate::after,
.plate--wide::before, .plate--wide::after{
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  top: 8px;
}
.plate::before{ left: 8px; }
.plate::after{ right: 8px; }
.plate-value{
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--flame-500);
  line-height: 1;
  margin-bottom: 8px;
}
.plate-value--sm{ font-size: 1.05rem; color: #fff; }
.plate-label{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--steel-500);
  text-transform: uppercase;
}
.plate--wide{
  margin-bottom: 12px;
}

/* ==========================================================================
   EQUIPMENT GRID
   ========================================================================== */
.equipment{ padding: 96px 0; background: var(--paper); }

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

.equip-card{
  position: relative;
  background: #fff;
  border: 1px solid var(--steel-300);
  border-radius: var(--radius-md);
  padding: 28px 26px 24px;
}
.equip-card::before, .equip-card::after{
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--steel-300);
  top: 10px;
}
.equip-card::before{ left: 10px; }
.equip-card::after{ right: 10px; }

.equip-icon{
  width: 44px;
  height: 44px;
  color: var(--steel-blue);
  margin-bottom: 18px;
}
.equip-icon svg{ width: 100%; height: 100%; }

.equip-card--photo{ padding-top: 0; overflow: hidden; }
.equip-photo{
  margin: 0 -26px 20px;
  height: 190px;
  background: var(--graphite-800);
}
.equip-photo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.equip-credit{
  margin: -8px 0 0 !important;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--steel-500);
}

.equip-card h3{
  font-size: 1.2rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.equip-card p{
  color: #4b5158;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.equip-specs{
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-top: 1px dashed var(--steel-300);
  border-bottom: 1px dashed var(--steel-300);
  margin-bottom: 18px;
}
.equip-specs dt{
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-500);
  margin-bottom: 2px;
}
.equip-specs dd{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin: 0;
  color: var(--ink);
}

.equip-link{
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--flame-600-solid);
}
.equip-link:hover{ text-decoration: underline; }

.equip-card--cta{
  background: var(--steel-050);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-style: dashed;
}
.equip-card--cta h3{ font-size: 1.15rem; }
.equip-card--cta p{ margin-bottom: 22px; }

/* ==========================================================================
   PROCESS (Como funciona)
   ========================================================================== */
.process{
  background: var(--graphite-800);
  color: #fff;
  padding: 96px 0;
}
.process-steps{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.process-step{
  border-top: 2px solid var(--flame-500);
  padding-top: 18px;
}
.process-num{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--flame-500);
  margin-bottom: 12px;
}
.process-step h3{
  font-size: 1.1rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.process-step p{
  color: var(--steel-300);
  font-size: 0.92rem;
}

/* ==========================================================================
   FEATURES (Diferenciais)
   ========================================================================== */
.features{ padding: 96px 0; background: var(--steel-050); }

.features-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.feature-icon{
  width: 40px;
  height: 40px;
  color: var(--flame-600-solid);
  margin-bottom: 16px;
}
.feature-icon svg{ width: 100%; height: 100%; }
.feature h3{
  font-size: 1.02rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.feature p{
  font-size: 0.92rem;
  color: #4b5158;
}

/* ==========================================================================
   CTA BAND
   ========================================================================== */
.cta-band{
  background: var(--flame-500);
  color: #fff;
  padding: 64px 0;
}
.cta-band-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2{
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.cta-band p{
  color: rgba(255,255,255,0.9);
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact{
  background: var(--graphite-900);
  color: #fff;
  padding: 96px 0;
}
.contact-inner{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
}
.contact-lead{
  color: var(--steel-300);
  margin-bottom: 36px;
  max-width: 460px;
}

.contact-form{
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--graphite-700);
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.08);
}
.contact-form label{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-500);
  margin-bottom: -8px;
}
.contact-form input,
.contact-form select,
.contact-form textarea{
  background: var(--graphite-900);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fff;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder{ color: var(--steel-500); }
.contact-form textarea{ resize: vertical; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  background: var(--graphite-900);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 32px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.brand--footer{ opacity: 0.85; }
.footer-nav{
  display: flex;
  gap: 24px;
}
.footer-nav a{
  color: var(--steel-500);
  font-size: 0.85rem;
}
.footer-nav a:hover{ color: #fff; }
.footer-note{
  color: var(--steel-500);
  font-size: 0.82rem;
  width: 100%;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ==========================================================================
   WHATSAPP FLUTUANTE
   ========================================================================== */
.whatsapp-float{
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.28);
  z-index: 150;
  transition: transform 0.15s ease, background 0.15s ease;
}
.whatsapp-float:hover{
  background: #1FB855;
  transform: translateY(-2px) scale(1.04);
}
.whatsapp-float svg{
  width: 30px;
  height: 30px;
  color: #fff;
}

@media (max-width: 600px){
  .whatsapp-float{
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
  }
  .whatsapp-float svg{ width: 27px; height: 27px; }
}

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */
[data-reveal]{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible{
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px){
  .equip-grid{ grid-template-columns: repeat(2, 1fr); }
  .features-grid{ grid-template-columns: repeat(2, 1fr); }
  .process-steps{ grid-template-columns: repeat(2, 1fr); }
  .contact-inner{ grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 900px){
  .main-nav{
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--graphite-900);
    flex-direction: column;
    padding: 12px 24px 24px;
    gap: 4px;
    display: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .main-nav.is-open{ display: flex; }
  .main-nav a{ padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-toggle{ display: flex; }
  .header-actions .btn-whatsapp span{ display: none; }
}

@media (max-width: 760px){
  .plate-row{ grid-template-columns: 1fr; }
  .equip-grid{ grid-template-columns: 1fr; }
  .features-grid{ grid-template-columns: 1fr; }
  .process-steps{ grid-template-columns: 1fr; }
  .cta-band-inner{ flex-direction: column; align-items: flex-start; }
}