/* ============================================================
   TechTalent Additives — Dark Industrial Stylesheet
   Design: Left-aligned hero, Barlow Condensed, angular
   Version 2.0 | 2026
   ============================================================ */

:root {
  --crim:       #8B0000;
  --crim-light: #A51C1C;
  --crim-deep:  #5a0000;
  --logo-blue:  #168cbc;
  --logo-gray:  #3a3e4b;
  --cyan:       #168cbc;
  --cyan-dim:   #0d6e96;
  --white:      #f0f4f7;
  --offwhite:   #dce8ef;
  --gray:       #9aaebb;
  --gray-dim:   #6e8494;
  --dark:       #0a0a0a;
  --dark2:      #111318;
  --dark3:      #161b20;
  --dark4:      #0d0f12;
  --border:     rgba(255,255,255,0.07);
  --border-crim: rgba(139,0,0,0.35);
  --border-cyan: rgba(0,191,255,0.2);

  --t:    0.28s ease;
  --t-lg: 0.5s ease;

  --font-cond: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

/* ---- Reset ---- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body { font-family:var(--font-body); background:var(--dark); color:var(--white); overflow-x:hidden; }
img { max-width:100%; height:auto; display:block; }
a { color:inherit; text-decoration:none; transition:var(--t); }
ul { list-style:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
p { line-height:1.75; color:var(--gray); }
strong { color:var(--white); font-weight:600; }

/* ---- Typography ---- */
h1,h2,h3,h4 { font-family:var(--font-cond); font-weight:900; text-transform:uppercase; line-height:1; }
h1 { font-size:clamp(2.8rem, 6.5vw, 5.8rem); letter-spacing:-0.01em; }
h2 { font-size:clamp(1.9rem, 4vw, 3.2rem); letter-spacing:-0.01em; }
h3 { font-size:clamp(1.1rem, 2vw, 1.4rem); }
h2 em { color:var(--crim-light); font-style:normal; display:block; }

/* ---- Layout ---- */
.container { max-width:1200px; margin:0 auto; padding:0 clamp(1.25rem,4vw,4rem); }
section { padding:6rem 0; }

/* ---- Section tag ---- */
.sec-tag {
  font-family:var(--font-mono);
  font-size:.65rem; letter-spacing:.28em; text-transform:uppercase;
  color:var(--cyan);
  display:flex; align-items:center; gap:.7rem;
  margin-bottom:1rem;
}
.sec-tag::before { content:''; display:block; width:22px; height:1px; background:var(--cyan); flex-shrink:0; }

/* ---- Buttons ---- */
.btn-crim {
  display:inline-flex; align-items:center; gap:.55rem;
  background:var(--crim); color:var(--white);
  font-family:var(--font-cond); font-size:.88rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
  padding:.85rem 2rem;
  border:1px solid var(--crim-light);
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition:background var(--t), transform var(--t), box-shadow var(--t);
}
.btn-crim:hover { background:var(--crim-light); transform:translateY(-2px); box-shadow:0 8px 28px rgba(139,0,0,.45); }
.btn-crim.btn-full { width:100%; justify-content:center; }

.btn-ghost {
  display:inline-flex; align-items:center; gap:.55rem;
  background:transparent; color:var(--cyan);
  font-family:var(--font-cond); font-size:.88rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
  padding:.85rem 2rem;
  border:1px solid var(--border-cyan);
  transition:background var(--t), border-color var(--t), transform var(--t);
}
.btn-ghost:hover { background:rgba(0,191,255,.08); border-color:var(--cyan); transform:translateY(-2px); }

/* ======================================================
   NAV
====================================================== */
#nav {
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(8,4,4,.88); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-crim);
  transition:box-shadow var(--t);
}
#nav.scrolled { box-shadow:0 4px 30px rgba(0,0,0,.55); }

.nav-inner {
  max-width:1200px; margin:0 auto; padding:0 clamp(1.25rem,4vw,4rem);
  height:70px; display:flex; align-items:center; justify-content:space-between;
}

.nav-logo { display:flex; align-items:center; gap:.75rem; }
.nav-logo-icon {
  width:38px; height:38px; flex-shrink:0;
  filter: drop-shadow(0 0 6px rgba(22,140,187,.55));
  transition: filter var(--t);
  overflow:visible;
}
.nav-logo:hover .nav-logo-icon { filter: drop-shadow(0 0 12px rgba(22,140,187,.9)); }
.nav-logo-text {
  font-family:var(--font-cond); font-size:1.2rem; font-weight:700;
  letter-spacing:.04em; line-height:1.1;
}
.logo-tech { color:var(--cyan); }
.logo-sub {
  display:block; font-size:.55rem; font-weight:400;
  letter-spacing:.28em; color:var(--gray); margin-top:-1px;
  text-transform:uppercase;
}

.nav-links { display:flex; align-items:center; gap:2.2rem; }
.nav-links a {
  font-family:var(--font-cond); font-size:.88rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase; color:var(--gray);
  position:relative;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-3px; left:0; right:0;
  height:1px; background:var(--cyan);
  transform:scaleX(0); transform-origin:left; transition:transform var(--t);
}
.nav-links a:hover { color:var(--cyan); }
.nav-links a:hover::after { transform:scaleX(1); }
.nav-links .nav-cta { color:var(--white); background:var(--cyan); padding:.42rem 1.2rem; font-size:.8rem; border:1px solid var(--cyan-dim); }
.nav-links .nav-cta::after { display:none; }
.nav-links .nav-cta:hover { background:var(--cyan-dim); color:var(--white); }

/* Language switcher — one-click, clear active state */
.lang-switcher {
  display:flex; align-items:center; gap:0;
  border:1px solid var(--border);
  border-radius:6px; overflow:hidden;
  background:rgba(0,0,0,.25);
}
.lang-btn {
  font-family:var(--font-cond); font-size:.75rem; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase;
  padding:.4rem .65rem; min-width:2.4rem;
  color:var(--gray); background:transparent;
  transition:color var(--t), background var(--t);
}
.lang-btn:hover { color:var(--white); background:rgba(255,255,255,.06); }
.lang-btn.active { color:var(--white); background:var(--cyan); border-color:var(--cyan); }
.lang-switcher .lang-btn.active { color:var(--white); background:var(--cyan); }

.hamburger { display:none; flex-direction:column; gap:5px; padding:4px; z-index:101; position:relative; }
.hamburger span { display:block; width:24px; height:2px; background:var(--white); border-radius:2px; transition:var(--t); }
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ======================================================
   HERO
====================================================== */
#hero {
  min-height:100vh; position:relative;
  display:flex; align-items:center; overflow:hidden;
}

.hero-bg {
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 75% 65% at 62% 48%, rgba(139,0,0,.38) 0%, transparent 68%),
    radial-gradient(ellipse 35% 40% at 18% 75%, rgba(0,150,210,.06) 0%, transparent 58%),
    radial-gradient(ellipse 100% 100% at 50% 50%, #180202 0%, #090909 70%);
}

.hero-grid {
  position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(139,0,0,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,0,0,.055) 1px, transparent 1px);
  background-size:60px 60px;
  animation:gridDrift 22s linear infinite;
}
@keyframes gridDrift { from{background-position:0 0} to{background-position:60px 60px} }

/* Hero right visual: logo + rings */
.hero-visual {
  position:absolute; right:-8%; top:50%; transform:translateY(-50%);
  width:min(700px, 50vw); height:min(700px, 50vw);
  pointer-events:none; z-index:1;
  display:flex; align-items:center; justify-content:center;
}
.hero-rings {
  position:absolute; inset:0;
  pointer-events:none; opacity:.15;
}
.ring {
  position:absolute; border-radius:50%;
  border:1px solid var(--crim-light);
  top:50%; left:50%; transform:translate(-50%,-50%);
  animation:pulseRing 4.5s ease-in-out infinite;
}
.ring:nth-child(1) { width:16%; height:16%; animation-delay:0s; }
.ring:nth-child(2) { width:33%; height:33%; animation-delay:.5s; }
.ring:nth-child(3) { width:52%; height:52%; animation-delay:1s; }
.ring:nth-child(4) { width:72%; height:72%; animation-delay:1.5s; }
.ring:nth-child(5) { width:92%; height:92%; animation-delay:2s; }
@keyframes pulseRing { 0%,100%{opacity:.3} 50%{opacity:.85} }

/* TT logo floating display in hero */
.hero-logo-display {
  position:relative; z-index:2;
  width:36%; aspect-ratio:1;
  display:flex; align-items:center; justify-content:center;
  filter: drop-shadow(0 0 48px rgba(22,140,187,.5)) drop-shadow(0 0 100px rgba(22,140,187,.2));
  animation:logoFloat 6s ease-in-out infinite;
}
.hero-logo-img { width:100%; height:100%; overflow:visible; }
@keyframes logoFloat {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-14px); }
}

.hero-content {
  position:relative; z-index:2;
  padding:0 clamp(1.25rem,4vw,4rem);
  max-width:720px; margin-top:70px;
}

.hero-eyebrow {
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--cyan); display:flex; align-items:center; gap:.75rem;
  margin-bottom:1.6rem;
  opacity:0; animation:fadeUp .8s .2s ease forwards;
}
.eyebrow-line { display:block; width:30px; height:1px; background:var(--cyan); flex-shrink:0; }

.hero-h1 {
  display:flex; flex-direction:column;
  margin-bottom:1.75rem;
  opacity:0; animation:fadeUp .85s .4s ease forwards;
}
.h1-line1,.h1-line2 { color:var(--white); }
.h1-line3 {
  color:var(--cyan);
  min-height:1.05em;
  transition:opacity .45s ease, transform .45s ease;
}
.h1-line3.exit  { opacity:0; transform:translateY(-15px); }
.h1-line3.enter { opacity:1; transform:translateY(0); }

.hero-desc {
  font-size:1.04rem; font-weight:300; line-height:1.75; color:var(--gray); max-width:500px;
  margin-bottom:2.4rem;
  opacity:0; animation:fadeUp .85s .62s ease forwards;
}

.hero-btns {
  display:flex; gap:1rem; flex-wrap:wrap;
  opacity:0; animation:fadeUp .85s .8s ease forwards;
}

/* Hero stats (bottom-right) */
.hero-stats {
  position:absolute; right:clamp(1.25rem,4vw,4rem); bottom:3.5rem; z-index:2;
  display:flex; flex-direction:column; gap:1.4rem; align-items:flex-end;
  opacity:0; animation:fadeLeft .85s 1.1s ease forwards;
}
.hstat { text-align:right; }
.hstat-num { display:block; font-family:var(--font-cond); font-size:2.5rem; font-weight:900; color:var(--cyan); line-height:1; }
.hstat-label { display:block; font-family:var(--font-mono); font-size:.62rem; letter-spacing:.16em; text-transform:uppercase; color:var(--gray); margin-top:2px; }
.hstat-divider { width:100%; height:1px; background:linear-gradient(90deg, transparent, rgba(0,191,255,.28)); }

/* Scroll hint */
.scroll-hint {
  position:absolute; bottom:2rem; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.4rem; z-index:2;
  opacity:0; animation:fadeIn 1s 1.6s ease forwards;
}
.scroll-hint span { font-family:var(--font-mono); font-size:.58rem; letter-spacing:.22em; color:var(--gray-dim); }
.scroll-line { width:1px; height:44px; background:linear-gradient(var(--cyan), transparent); animation:scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100%{opacity:.35} 50%{opacity:1} }

@keyframes fadeUp   { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:none} }
@keyframes fadeLeft { from{opacity:0;transform:translateX(28px)} to{opacity:1;transform:none} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }

/* ======================================================
   STATS BAND
====================================================== */
#stats-band { position:relative; overflow:hidden; }
.sband-bg {
  position:absolute; inset:0;
  background-color:#0d0f12;
  background-image:url('https://images.pexels.com/photos/2219024/pexels-photo-2219024.jpeg?auto=compress&cs=tinysrgb&w=1920&q=75');
  background-size:cover; background-position:center;
}
.sband-overlay {
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(6,1,1,.82) 0%, rgba(12,2,2,.70) 50%, rgba(6,1,1,.78) 100%);
}
.sband-inner {
  position:relative; z-index:1;
  max-width:1200px; margin:0 auto; padding:4rem clamp(1.25rem,4vw,4rem);
  display:grid; grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;
  align-items:center; gap:0;
}
.sband-item { text-align:center; padding:2rem 1.5rem; }
.sband-num {
  font-family:var(--font-cond); font-size:clamp(2.4rem,5vw,3.8rem); font-weight:900;
  color:var(--cyan); line-height:1; margin-bottom:.5rem;
}
.sband-label {
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--offwhite); line-height:1.5; opacity:.88;
}
.sband-sep {
  width:1px; height:80px;
  background:linear-gradient(to bottom, transparent, rgba(0,191,255,.25), transparent);
}

/* ======================================================
   SOBRE
====================================================== */
#sobre {
  background:var(--dark2); position:relative;
  border-left:none;
}
#sobre::before {
  content:''; position:absolute; left:0; top:0; bottom:0; width:3px;
  background:linear-gradient(var(--crim), var(--cyan));
}
.sobre-inner {
  max-width:1200px; margin:0 auto; padding:6rem clamp(1.25rem,4vw,4rem);
  display:grid; grid-template-columns:1fr 1fr; gap:5rem; align-items:start;
}
.sobre-text p { margin-bottom:1.2rem; font-size:.98rem; }
.china-arrow {
  margin-top:1.75rem;
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.35rem .85rem;
  border:1px solid var(--border-cyan);
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.14em;
  color:var(--cyan); text-transform:uppercase;
}

.badge-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:1px;
  background:var(--border-crim);
  border:1px solid var(--border-crim); margin-bottom:1.2rem;
}
.badge-item {
  background:var(--dark3); padding:1.75rem;
  display:flex; flex-direction:column; gap:.4rem;
}
.bi-icon { font-size:1.7rem; display:flex; align-items:center; justify-content:center; }
.bi-icon svg { flex-shrink:0; }
.bi-num  { font-family:var(--font-cond); font-size:2rem; font-weight:900; color:var(--crim-light); line-height:1; }
.bi-text { font-family:var(--font-mono); font-size:.68rem; color:var(--gray); line-height:1.5; letter-spacing:.04em; }

.quote-bar {
  padding:1.25rem 1.5rem;
  background:rgba(0,191,255,.04);
  border:1px solid var(--border-cyan); border-left:3px solid var(--cyan);
  font-size:.88rem; font-style:italic; color:var(--gray); line-height:1.7;
}
.quote-bar cite { display:block; margin-top:.75rem; font-size:.75rem; color:var(--gray-dim); font-style:normal; }

/* ======================================================
   DESAFIO
====================================================== */
#desafio { display:grid; grid-template-columns:1fr 1fr; min-height:60vh; }

.desafio-img-col { position:relative; overflow:hidden; }
.desafio-img-col img {
  width:100%; height:100%; object-fit:cover;
  transition:transform .8s ease;
}
#desafio:hover .desafio-img-col img { transform:scale(1.03); }
.desafio-img-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(8,0,0,.85) 0%, rgba(8,0,0,.3) 60%, transparent 100%);
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:2.5rem;
}
.desafio-overlay-tag {
  font-family:var(--font-mono); font-size:.62rem; letter-spacing:.25em;
  color:var(--crim-light); text-transform:uppercase; margin-bottom:.5rem;
}
.desafio-overlay-stat {
  font-family:var(--font-cond); font-size:1.5rem; font-weight:700;
  color:var(--white); line-height:1.2;
}

.desafio-text-col {
  background:var(--dark3);
  padding:clamp(2.5rem,6vw,5rem) clamp(1.5rem,5vw,4rem);
  display:flex; flex-direction:column; justify-content:center;
}
.desafio-text-col h2 { margin-bottom:1.5rem; }
.desafio-text-col p { margin-bottom:1.1rem; }
.desafio-highlight {
  font-family:var(--font-body); font-style:italic; font-size:.95rem;
  color:var(--cyan); opacity:.85;
  padding:1rem 1.25rem;
  border-left:2px solid var(--crim);
  margin:1.5rem 0 2rem; line-height:1.7;
}

/* ======================================================
   PRODUTOS
====================================================== */
#produtos { background:var(--dark4); }

.produtos-header {
  display:grid; grid-template-columns:1fr auto;
  align-items:end; gap:2rem; margin-bottom:2.5rem;
}
.produtos-intro p { max-width:520px; font-size:.98rem; margin-top:.75rem; }

.filter-row { display:flex; gap:.6rem; flex-wrap:wrap; justify-content:flex-end; }
.filt {
  padding:.42rem 1.1rem;
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--gray); background:transparent;
  border:1px solid rgba(255,255,255,.08);
  transition:all var(--t); cursor:pointer;
}
.filt.active, .filt:hover { background:var(--crim); color:var(--white); border-color:var(--crim); }

.products-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:1.5px; background:var(--border-crim);
  border:1px solid var(--border-crim);
  margin-bottom:1px;
}

.pcard {
  background:var(--dark2); padding:2.1rem;
  position:relative; overflow:hidden; transition:background var(--t);
}
.pcard::after {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--crim), var(--cyan));
  transform:scaleX(0); transform-origin:left; transition:transform .4s ease;
}
.pcard:hover { background:var(--dark3); }
.pcard:hover::after { transform:scaleX(1); }
.pcard.hidden { display:none; }

/* COA overlay on product card hover — desktop only */
.pcard-coa-overlay {
  position:absolute; inset:0;
  background:rgba(6,2,2,.93);
  border:1px solid rgba(22,140,187,.35);
  padding:1.75rem;
  display:flex; flex-direction:column; gap:.55rem;
  opacity:0; pointer-events:none;
  transition:opacity .32s ease;
  z-index:10;
}
@media (hover: hover) {
  .pcard:hover .pcard-coa-overlay { opacity:1; pointer-events:auto; }
}
.pco-title {
  font-family:var(--font-mono); font-size:.6rem; letter-spacing:.2em;
  color:var(--cyan); text-transform:uppercase; margin-bottom:.3rem;
  padding-bottom:.5rem; border-bottom:1px solid rgba(22,140,187,.2);
}
.pco-row {
  display:flex; justify-content:space-between; align-items:center;
  font-size:.76rem; padding:.22rem 0;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.pco-row span:first-child { color:var(--gray); font-size:.74rem; }
.pco-val { font-family:var(--font-mono); font-size:.72rem; color:var(--cyan); }
.pco-val.ok { color:#4ade80; }
.pco-val.warn { color:#f5a623; }
.pco-norm {
  margin-top:.5rem; padding-top:.5rem;
  border-top:1px solid rgba(255,255,255,.05);
  font-family:var(--font-mono); font-size:.6rem; color:var(--gray-dim);
  letter-spacing:.06em;
}
.pco-hint {
  position:absolute; bottom:.75rem; right:1rem;
  font-family:var(--font-mono); font-size:.58rem; color:rgba(22,140,187,.45);
  letter-spacing:.08em; pointer-events:none;
}

.pcard-tag {
  font-family:var(--font-mono); font-size:.64rem; letter-spacing:.16em;
  color:var(--crim-light); text-transform:uppercase; margin-bottom:.65rem;
}
.pcard-name {
  font-family:var(--font-cond); font-size:1.9rem; font-weight:900;
  text-transform:uppercase; color:var(--white); line-height:1; margin-bottom:.75rem;
}
.pcard-name span { color:var(--cyan); }
.pcard-desc { font-size:.86rem; color:var(--gray); line-height:1.7; margin-bottom:1.25rem; font-weight:300; }

.pcard-specs { display:flex; flex-direction:column; gap:.38rem; margin-bottom:1rem; }
.ps-row {
  display:flex; justify-content:space-between; align-items:center;
  padding:.35rem 0; border-bottom:1px solid rgba(255,255,255,.04);
  font-size:.8rem;
}
.ps-row span:first-child { color:var(--gray); }
.ps-val { font-family:var(--font-mono); font-size:.75rem; color:var(--cyan); }
.ps-val.green { color:#4ade80; }

.pcard-bar {
  height:3px; background:rgba(255,255,255,.05); overflow:hidden; margin-bottom:.75rem;
}
.pbar-fill {
  height:100%; width:var(--w);
  background:linear-gradient(90deg, var(--crim), var(--cyan));
  border-radius:2px;
}

.pcard-alert {
  font-family:var(--font-mono); font-size:.67rem; letter-spacing:.06em;
  color:#f5a623; padding:.5rem .75rem;
  border:1px solid rgba(245,166,35,.2); background:rgba(245,166,35,.04);
}

/* Comparison table */
.table-wrap { background:var(--border-crim); padding:1px; }
.table-header {
  display:flex; justify-content:space-between; align-items:center;
  background:var(--dark2); padding:1rem 1.5rem;
  border-bottom:1px solid var(--border-crim);
  flex-wrap:wrap; gap:.75rem;
}
.table-note-inline {
  font-family:var(--font-mono); font-size:.62rem; color:var(--gray-dim); letter-spacing:.06em;
}
.table-scroll { overflow-x:auto; background:var(--dark2); }
table { width:100%; border-collapse:collapse; font-size:.84rem; }
thead tr { background:var(--crim-deep); border-bottom:2px solid var(--crim); }
th {
  font-family:var(--font-cond); font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  padding:.9rem 1.1rem; text-align:left; color:var(--offwhite); white-space:nowrap;
}
tbody tr { border-bottom:1px solid rgba(255,255,255,.045); transition:background var(--t); }
tbody tr:hover { background:rgba(139,0,0,.1); }
td { padding:.85rem 1.1rem; color:var(--gray); }
td:first-child { color:var(--white); font-weight:500; }
.td-g { color:#4ade80; font-weight:600; }

/* ======================================================
   APLICAÇÕES
====================================================== */
#aplicacoes { background:var(--dark); position:relative; overflow:hidden; }
.apl-bg-text {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  font-family:var(--font-cond); font-size:18vw; font-weight:900; text-transform:uppercase;
  color:rgba(139,0,0,.05); white-space:nowrap; pointer-events:none; z-index:0; letter-spacing:-.05em;
}
.sec-header { margin-bottom:3rem; }
#aplicacoes .container { position:relative; z-index:1; }

.apl-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-template-rows:auto auto;
  gap:2px; background:rgba(0,191,255,.06);
  border:1px solid rgba(0,191,255,.08);
}

.apl-card {
  position:relative; overflow:hidden; cursor:pointer;
  background:var(--dark2) var(--img,none); background-size:cover; background-position:center;
  min-height:240px; display:flex; flex-direction:column; justify-content:flex-end;
}
.apl-card.large { grid-column:span 2; min-height:300px; }

.apl-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(6,0,0,.9) 0%, rgba(6,0,0,.55) 50%, rgba(6,0,0,.15) 100%);
  transition:background var(--t-lg);
}
.apl-card:hover .apl-overlay {
  background:linear-gradient(to top, rgba(8,0,0,.97) 0%, rgba(8,0,0,.88) 55%, rgba(6,0,0,.4) 100%);
}

.apl-num {
  position:absolute; top:.75rem; left:1.25rem;
  font-family:var(--font-cond); font-size:6rem; font-weight:900;
  color:transparent;
  -webkit-text-stroke:2px rgba(22,140,187,.9);
  text-stroke:2px rgba(22,140,187,.9);
  line-height:1; pointer-events:none;
  z-index:2;
  filter:drop-shadow(0 0 14px rgba(22,140,187,.5));
  transition:filter .4s ease, -webkit-text-stroke .4s ease, opacity .35s ease;
}
.apl-card:hover .apl-num {
  opacity:0;
}

.apl-body {
  position:relative; z-index:1;
  padding:1.75rem 1.5rem;
  transition:transform .4s ease, opacity .35s ease;
}
.apl-card:hover .apl-body {
  transform:translateY(-4px);
  opacity:0;
}

.apl-body h3 {
  color:var(--white); font-size:1.15rem; margin-bottom:.45rem;
  text-transform:uppercase; letter-spacing:.04em;
}
.apl-body p { font-size:.83rem; color:rgba(240,244,247,.7); font-weight:300; line-height:1.6; }

/* Hover details panel — slides up from bottom */
.apl-details {
  position:absolute; inset:0; z-index:3;
  padding:1.5rem 1.5rem 1.75rem;
  display:flex; flex-direction:column; justify-content:flex-end;
  opacity:0; transform:translateY(16px);
  transition:opacity .38s ease, transform .38s ease;
  pointer-events:none;
}
.apl-card:hover .apl-details {
  opacity:1; transform:translateY(0);
  pointer-events:auto;
}
.apl-det-title {
  font-family:var(--font-cond); font-size:1.05rem; font-weight:900;
  color:var(--white); text-transform:uppercase; letter-spacing:.05em;
  margin-bottom:.65rem;
  border-bottom:1px solid rgba(22,140,187,.3); padding-bottom:.5rem;
}
.apl-det-title span {
  color:var(--cyan); font-size:.7rem; font-weight:400;
  font-family:var(--font-mono); letter-spacing:.15em;
  display:block; margin-bottom:.2rem; text-transform:uppercase;
}
.apl-det-specs {
  display:flex; flex-direction:column; gap:.3rem;
  margin-bottom:.85rem;
}
.apl-det-row {
  display:flex; justify-content:space-between; align-items:center;
  font-size:.75rem; padding:.2rem 0;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.apl-det-row span:first-child { color:rgba(240,244,247,.6); }
.apl-det-val { font-family:var(--font-mono); font-size:.71rem; color:#4ade80; }
.apl-det-val.cy { color:var(--cyan); }
.apl-det-cta {
  font-family:var(--font-mono); font-size:.6rem; letter-spacing:.15em;
  color:var(--cyan); text-transform:uppercase; opacity:.7;
  display:flex; align-items:center; gap:.4rem;
}
.apl-det-cta::before {
  content:''; display:block; width:16px; height:1px; background:var(--cyan);
}

/* ======================================================
   DIFERENCIAIS
====================================================== */
#diferenciais { background:var(--dark2); }

.diff-header { margin-bottom:3rem; }
.diff-layout { display:grid; grid-template-columns:1fr 380px; gap:3.5rem; align-items:start; }
.diff-list { display:flex; flex-direction:column; gap:1.5px; background:var(--border-crim); border:1px solid var(--border-crim); }

.diff-item {
  background:var(--dark3); padding:1.5rem 1.75rem;
  display:flex; gap:1.5rem; align-items:flex-start;
  transition:background var(--t);
}
.diff-item:hover { background:var(--dark4); }

.diff-n {
  font-family:var(--font-cond); font-size:2.2rem; font-weight:900;
  color:var(--crim); opacity:.35; flex-shrink:0; line-height:1; margin-top:.1rem;
}
.diff-body { flex:1; }
.diff-icon { font-size:1.4rem; margin-bottom:.5rem; }
.diff-body h4 {
  font-family:var(--font-cond); font-size:1.05rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.08em; color:var(--cyan); margin-bottom:.4rem;
}
.diff-body p { font-size:.86rem; line-height:1.7; }

/* COA Card */
.coa-card {
  background:linear-gradient(135deg, rgba(8,11,16,.9), rgba(14,8,8,.9));
  border:1px solid var(--border-cyan); padding:1.75rem;
  position:sticky; top:90px;
}
.coa-title {
  font-family:var(--font-mono); font-size:.62rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--cyan);
  border-bottom:1px solid rgba(0,191,255,.18); padding-bottom:.75rem; margin-bottom:1.1rem;
  display:flex; flex-direction:column; gap:.25rem;
}
.coa-title span { font-size:.7rem; font-weight:700; color:var(--cyan); opacity:.7; }
.coa-table { width:100%; border-collapse:collapse; }
.coa-table td { font-size:.8rem; padding:.45rem 0; border-bottom:1px solid rgba(255,255,255,.04); }
.coa-table td:first-child { color:var(--gray); }
.coa-table td:last-child {
  text-align:right; font-family:var(--font-mono); font-size:.74rem; color:var(--gray);
}
.coa-pass { color:#4ade80 !important; }
.coa-footer {
  margin-top:1.1rem; padding-top:.8rem;
  border-top:1px solid rgba(0,191,255,.1);
  font-size:.7rem; color:var(--gray-dim); line-height:1.7;
}
.coa-footer span { color:var(--cyan-dim); font-family:var(--font-mono); font-size:.68rem; }

/* ======================================================
   MERCADO
====================================================== */
#mercado { background:linear-gradient(135deg, #0a0404 0%, #040812 100%); }
.mercado-layout { display:grid; grid-template-columns:1fr 1fr; gap:5rem; align-items:start; }
.mercado-text p { font-size:.98rem; margin-bottom:1.1rem; }
.mercado-text h2 { margin-bottom:1.5rem; }

.market-flags { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.5rem; }
.mflag {
  font-family:var(--font-mono); font-size:.64rem; letter-spacing:.09em;
  color:var(--cyan); border:1px solid rgba(0,191,255,.22);
  padding:.28rem .65rem; text-transform:uppercase;
  transition:border-color var(--t), background var(--t);
}
.mflag:hover { background:rgba(0,191,255,.06); border-color:var(--cyan); }

.bars-title { margin-bottom:1.25rem; }

.bar-item { margin-bottom:1.25rem; }
.bar-header {
  display:flex; justify-content:space-between; align-items:center;
  font-size:.82rem; color:var(--gray); margin-bottom:.4rem;
}
.bar-val { font-family:var(--font-mono); font-size:.74rem; color:var(--cyan); }
.bar-track { height:4px; background:rgba(255,255,255,.06); position:relative; overflow:hidden; }
.bar-fill {
  height:100%;
  background:linear-gradient(90deg, var(--crim-light), var(--cyan));
  width:0%; border-radius:2px;
  transition:width 1.4s cubic-bezier(.4,0,.2,1);
}
.bar-fill.animated { width:var(--final-w, 0%); }

/* ======================================================
   CONTATO
====================================================== */
#contato { background:var(--dark4); }
.contato-layout { display:grid; grid-template-columns:1.15fr 1fr; gap:4rem; align-items:start; }
.contato-left h2 { margin-bottom:1rem; }
.contato-left > p { margin-bottom:2rem; font-size:.98rem; }

.contact-form { display:flex; flex-direction:column; gap:1rem; }
.cf-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.cf-group { display:flex; flex-direction:column; gap:.35rem; }
.cf-group label {
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.15em;
  text-transform:uppercase; color:var(--gray-dim);
}
input, select, textarea {
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.1);
  color:var(--white); font-family:var(--font-body); font-size:.92rem;
  padding:.78rem 1rem; outline:none;
  transition:border-color var(--t), background var(--t);
}
input:focus, select:focus, textarea:focus {
  border-color:rgba(0,191,255,.4); background:rgba(0,191,255,.04);
}
input::placeholder, textarea::placeholder { color:rgba(255,255,255,.2); }
select option { background:var(--dark2); color:var(--white); }
textarea { resize:vertical; min-height:110px; }

.form-success { text-align:center; padding:3rem; }
.fs-check { font-size:3rem; color:#4ade80; font-weight:700; margin-bottom:.75rem; }
.form-success h3 { font-family:var(--font-cond); color:var(--white); margin-bottom:.5rem; }
.form-success p { font-size:.9rem; }

.contact-methods {
  display:flex; flex-direction:column; gap:1.2rem; margin-bottom:1.75rem;
}
.cm-item {
  display:flex; gap:.85rem; align-items:center;
  padding:.9rem 1.25rem;
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  transition:border-color var(--t), background var(--t);
}
.cm-item:hover { border-color:var(--border-cyan); background:rgba(0,191,255,.03); }
.cm-icon { flex-shrink:0; display:flex; align-items:center; justify-content:center; width:32px; height:32px; }
.cm-label {
  display:block; font-family:var(--font-mono); font-size:.62rem;
  letter-spacing:.18em; color:var(--cyan); margin-bottom:.2rem; text-transform:uppercase;
}
.cm-val { font-size:.86rem; color:var(--gray); display:block; }
.cm-val a { color:var(--gray); }
.cm-link { font-size:.86rem; color:var(--cyan); opacity:.8; display:block; }
.cm-link:hover { opacity:1; }

.norm-badges { display:flex; gap:.5rem; flex-wrap:wrap; margin-bottom:1.5rem; }
.norm-badges span {
  font-family:var(--font-mono); font-size:.62rem; letter-spacing:.1em;
  color:var(--cyan); border:1px solid rgba(0,191,255,.22);
  padding:.22rem .55rem; text-transform:uppercase;
}

.contato-img-wrap { position:relative; overflow:hidden; }
.contato-img-wrap img {
  width:100%; min-height:320px; height:320px; object-fit:cover; object-position:center 35%;
  filter:grayscale(30%) brightness(.7); transition:filter .6s ease;
}
.contato-img-wrap:hover img { filter:grayscale(0%) brightness(.85); }
.cimg-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(139,0,0,.6) 0%, transparent 60%);
  display:flex; align-items:flex-end; padding:1rem 1.25rem;
}
.cimg-overlay span { font-family:var(--font-cond); font-size:1rem; font-weight:700; color:var(--white); letter-spacing:.05em; text-transform:uppercase; }

/* ======================================================
   FOOTER
====================================================== */
#footer {
  background:#050000;
  border-top:1px solid var(--border-crim);
}
.footer-inner {
  max-width:1200px; margin:0 auto; padding:3.5rem clamp(1.25rem,4vw,4rem) 3rem;
  display:grid; grid-template-columns:1.8fr 1fr 1fr; gap:3rem;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.footer-logo {
  display:flex; align-items:center; gap:.75rem;
  font-family:var(--font-cond); font-size:1.2rem; font-weight:700;
  margin-bottom:1rem;
}
.footer-logo-icon { width:40px; height:40px; flex-shrink:0; overflow:visible; }
.ft-tech { color:var(--cyan); }
.footer-logo em { display:block; font-style:normal; font-size:.52rem; font-weight:400; letter-spacing:.28em; color:var(--gray); text-transform:uppercase; }
.footer-brand > p { font-size:.82rem; color:var(--gray-dim); line-height:1.7; max-width:280px; margin-bottom:.75rem; }
.footer-ext { font-size:.78rem; color:var(--cyan-dim); opacity:.8; display:inline-flex; align-items:center; gap:.35rem; }
.footer-ext:hover { opacity:1; }
.footer-ig { margin-top:.3rem; color:#e1306c; }
.footer-ig:hover { color:#f77737; }
.footer-col h4 {
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--crim-light); margin-bottom:1.1rem;
}
.footer-col a { display:block; font-size:.84rem; color:var(--gray-dim); margin-bottom:.5rem; font-weight:300; }
.footer-col a:hover { color:var(--white); }
.footer-bottom {
  max-width:1200px; margin:0 auto; padding:1.1rem clamp(1.25rem,4vw,4rem);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:.75rem;
  font-family:var(--font-mono); font-size:.65rem; color:rgba(255,255,255,.2); letter-spacing:.04em;
}

/* ======================================================
   SCROLL REVEAL
====================================================== */
.reveal {
  opacity:0; transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity:1; transform:none; }

/* ======================================================
   RESPONSIVE
====================================================== */
@media (max-width:1100px) {
  .diff-layout { grid-template-columns:1fr; }
  .coa-card { position:static; }
  .products-grid { grid-template-columns:repeat(2,1fr); }
  .apl-grid { grid-template-columns:repeat(2,1fr); }
  .apl-card.large { grid-column:span 2; }
  .sband-inner { grid-template-columns:1fr 1fr; gap:0; }
  .sband-sep:nth-child(4) { display:none; }
  .footer-inner { grid-template-columns:1fr 1fr; }
}

@media (max-width:768px) {
  section { padding:4rem 0; }
  .hamburger { display:flex; }
  .nav-links {
    display:none; position:fixed; inset:0;
    background:rgba(8,2,2,.97); flex-direction:column; justify-content:center; align-items:center;
    gap:2.4rem; z-index:100;
  }
  .nav-links.open { display:flex; }
  .nav-links a { font-size:1.1rem; }
  .hero-stats { display:none; }
  .hero-visual { display:none; }
  #desafio { grid-template-columns:1fr; }
  .desafio-img-col { min-height:280px; }
  .sobre-inner { grid-template-columns:1fr; gap:3rem; padding:4rem clamp(1.25rem,4vw,4rem); }
  .products-grid { grid-template-columns:1fr; }
  .apl-grid { grid-template-columns:1fr; }
  .apl-card.large { grid-column:auto; }
  .mercado-layout { grid-template-columns:1fr; gap:3rem; }
  .contato-layout { grid-template-columns:1fr; gap:2rem; }
  .cf-row { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr; gap:2rem; }
  .footer-bottom { flex-direction:column; text-align:center; }
  .sband-inner { grid-template-columns:1fr 1fr; }
  .sband-sep { display:none; }
  .produtos-header { grid-template-columns:1fr; gap:1.5rem; }
  .filter-row { justify-content:flex-start; }
  .diff-layout { grid-template-columns:1fr; }
  /* Contact: compact image strip on mobile so section doesn't feel empty */
  .contato-img-wrap img { min-height:160px; height:160px; object-position:center 40%; }
  #contato { padding:3rem 0; }
  .contato-left > p { margin-bottom:1.25rem; font-size:.92rem; }
  /* COA overlay only on hover-capable devices; hide on touch */
  .pcard-coa-overlay { display:none; }
}

@media (max-width:480px) {
  .hero-btns { flex-direction:column; }
  .sband-inner { grid-template-columns:1fr; }
}