/**
 * YES Elétrica — Home page (mobile-first)
 * Hero, trust strip, categorias, produtos, volume CTA, sobre.
 */

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #11084d 0%, var(--brand-deep) 38%, var(--brand-violet) 100%);
  color: white;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: -10%;
  background:
    radial-gradient(60% 50% at 80% 25%, rgba(14, 165, 165, .35), transparent 60%),
    radial-gradient(40% 40% at 12% 80%, rgba(251, 199, 46, .12), transparent 60%);
  filter: blur(40px);
  z-index: -1;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, black 30%, black 70%, transparent 100%);
          mask-image: linear-gradient(180deg, transparent 0, black 30%, black 70%, transparent 100%);
  z-index: -1;
  opacity: .5;
}

.hero-inner {
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-5) var(--space-6);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-teal-2);
  background: rgba(14, 165, 165, .12);
  border: 1px solid rgba(14, 165, 165, .35);
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}
.hero-eyebrow .pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-teal-2);
  box-shadow: 0 0 0 0 rgba(20, 184, 166, .55);
  animation: hero-pulse 1.8s infinite;
}
@keyframes hero-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(20, 184, 166, .55); }
  70%  { box-shadow: 0 0 0 8px rgba(20, 184, 166, 0); }
  100% { box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); }
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.85rem;        /* mobile */
  line-height: 0.98;
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-2);
}
.hero h1 .accent {
  background: linear-gradient(95deg, var(--brand-teal-2) 0%, var(--brand-teal-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: var(--tracking-snug);
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 var(--space-3);
  max-width: 540px;
}

.hero p.lead {
  max-width: 540px;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--ink-on-dark-muted);
  margin: 0 0 var(--space-4);
}

.hero-ctas {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  max-width: 540px;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-meta .stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: white;
  line-height: 1;
}
.hero-meta .stat span {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-on-dark-muted);
  margin-top: 5px;
  display: block;
  line-height: 1.3;
}

/* Hero visual escondido em mobile (peso de imagem); aparece desktop */
.hero-visual { display: none; }

@media (min-width: 720px) {
  .hero h1 { font-size: 2.6rem; }
  .hero-subtitle { font-size: 1.32rem; }
  .hero p.lead { font-size: var(--fs-md); }
  .hero-meta .stat strong { font-size: 1.7rem; }
  .hero-meta .stat span { font-size: 0.62rem; }
  .hero-eyebrow { font-size: 0.72rem; letter-spacing: 0.22em; padding: 7px 12px; }
}

@media (min-width: 980px) {
  .hero-inner {
    grid-template-columns: 1.05fr .95fr;
    gap: var(--space-7);
    padding-block: var(--space-7);
    align-items: center;
  }
  .hero h1 { font-size: 3.4rem; }
  .hero-subtitle { font-size: 1.45rem; }
  .hero-visual {
    display: block;
    position: relative;
    height: 380px;
  }
  .hero-card {
    position: absolute;
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.12);
    -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
    padding: var(--space-4);
    box-shadow: var(--shadow-pop);
    width: 230px;
  }
  .hero-card-1 { top: 0;    right: 30px; transform: rotate(-3deg); z-index: 2; }
  .hero-card-2 { bottom: 0; left: 0;     transform: rotate(2deg);  z-index: 3; }
  .hero-card-3 { top: 130px; right: 0;   transform: rotate(4deg);  z-index: 1; }
  .hero-card .label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--brand-teal-2);
  }
  .hero-card .name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.96rem;
    color: white;
    margin: var(--space-2) 0;
    line-height: 1.22;
  }
  .hero-card .spec {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-on-dark-muted);
  }
  .hero-card .img-placeholder {
    height: 76px;
    border-radius: var(--radius-sm);
    background:
      linear-gradient(135deg, rgba(14, 165, 165, .2), rgba(61, 26, 143, .2)),
      repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 6px, transparent 6px 12px);
    margin-bottom: var(--space-3);
  }
  .atom-rotor {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 180px; height: 180px;
    z-index: 0;
    opacity: 0.25;
  }
  .atom-rotor .ring {
    fill: none;
    stroke: rgba(14, 165, 165, .8);
    stroke-width: 1;
    transform-origin: center;
    animation: atom-spin 18s linear infinite;
  }
  .atom-rotor .ring.r2 { animation-duration: 26s; animation-direction: reverse; }
  .atom-rotor .ring.r3 { animation-duration: 34s; }
  @keyframes atom-spin { to { transform: rotate(360deg); } }
}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust {
  background: var(--surface-soft);
  border-bottom: 1px solid var(--border-subtle);
}
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-block: var(--space-6);
}
.trust-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding-left: var(--space-3);
  border-left: 2px solid var(--brand-teal);
}
.trust-item .ico {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  color: var(--brand-deep);
  flex-shrink: 0;
}
.trust-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: var(--tracking-snug);
}
.trust-item p {
  font-size: var(--fs-sm);
  color: var(--ink-secondary);
  line-height: 1.45;
}
@media (min-width: 560px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    padding-block: var(--space-7);
  }
  .trust-item { padding-left: var(--space-4); gap: var(--space-4); }
  .trust-item .ico { width: 36px; height: 36px; }
}

/* ============================================================
   CATEGORIES
   ============================================================ */
.cats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.cat-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.cat-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--brand-teal);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-base) var(--ease-out);
}
.cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-pop);
}
.cat-card:hover::before { transform: scaleY(1); }

.cat-card .ico-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(26, 17, 112, .06), rgba(14, 165, 165, .06));
  display: grid; place-items: center;
  color: var(--brand-deep);
  margin-bottom: var(--space-4);
}
.cat-card h4 {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  margin: 0 0 var(--space-2);
  letter-spacing: var(--tracking-snug);
}
.cat-card p {
  margin: 0 0 var(--space-3);
  font-size: 0.9rem;
  color: var(--ink-secondary);
  line-height: 1.5;
}
.cat-card .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--border-subtle);
}
.cat-card .meta .arrow {
  color: var(--brand-teal-700);                /* AA: 5.6:1 em white */
  transition: transform var(--t-fast) var(--ease-out);
}
.cat-card:hover .meta .arrow { transform: translateX(4px); }

@media (min-width: 560px) {
  .cats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .cats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
  }
  .cat-card { padding: var(--space-6); }
  .cat-card .ico-wrap { width: 56px; height: 56px; margin-bottom: var(--space-5); }
  .cat-card h4 { font-size: var(--fs-lg); }
}

/* ============================================================
   FEATURED PRODUCTS
   ============================================================ */
.products {
  background: var(--surface-soft);
  border-block: 1px solid var(--border-subtle);
}
.prod-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.prod-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  transition: transform var(--t-fast) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.prod-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-pop);
}
.prod-card .img {
  height: 110px;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 30% 30%, rgba(14, 165, 165, .12), transparent 60%),
    var(--surface-soft);
  display: grid; place-items: center;
  margin-bottom: var(--space-3);
  color: var(--brand-deep);
}
.prod-card .code {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  color: var(--ink-muted);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.prod-card h5 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  margin: 0 0 var(--space-2);
  line-height: 1.25;
  letter-spacing: var(--tracking-snug);
}
.prod-card .mode-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 4px;
  align-self: flex-start;
  margin-bottom: var(--space-3);
}
.prod-card .mode-tag.quote {
  background: rgba(26, 17, 112, .08);
  color: var(--brand-deep);
}
.prod-card .mode-tag.sale {
  background: rgba(15, 110, 86, .12);
  color: var(--brand-teal-700);                /* AA: 5.6:1 em white/soft */
}
.prod-card .cta {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--brand-deep);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
  text-decoration: none;
}
.prod-card:hover .cta { color: var(--brand-teal-700); }

@media (min-width: 720px) {
  .prod-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
  .prod-card { padding: var(--space-4); }
  .prod-card .img { height: 130px; }
}
@media (min-width: 1100px) {
  .prod-grid { grid-template-columns: repeat(5, 1fr); }
}

/* ============================================================
   VOLUME CTA
   ============================================================ */
.volume {
  background: linear-gradient(95deg, var(--accent-yellow) 0%, var(--accent-yellow-2) 100%);
  position: relative;
  overflow: hidden;
}
.volume::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(15, 18, 53, .04) 0 16px,
    transparent 16px 32px
  );
  pointer-events: none;
}
.volume-inner {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-6);
  text-align: left;
}
.volume .bolt {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--brand-deep);
  display: grid; place-items: center;
  color: var(--accent-yellow);
  flex-shrink: 0;
}
.volume h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: var(--tracking-tight);
  margin: 0 0 4px;
  color: #1a1100;
  line-height: 1.15;
}
.volume p {
  margin: 0;
  color: rgba(15, 18, 53, .72);
  font-size: var(--fs-sm);
}
.volume .btn { width: 100%; justify-content: center; }

@media (min-width: 720px) {
  .volume-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-6);
    padding-block: var(--space-7);
  }
  .volume .btn { width: auto; }
  .volume .bolt { width: 56px; height: 56px; }
  .volume h3 { font-size: 1.55rem; }
  .volume p { font-size: var(--fs-base); }
}
@media (min-width: 980px) {
  .volume h3 { font-size: 1.85rem; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  gap: var(--space-6);
}
.about-text h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
  margin: 0 0 var(--space-4);
}
.about-text h2 em {
  font-style: normal;
  color: var(--brand-teal-700);                /* AA mesmo em texto grande */
}
.about-text p {
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--ink-secondary);
  margin: 0 0 var(--space-4);
  max-width: 540px;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-5) 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
}
.about-stats .stat strong {
  font-family: var(--font-display);
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--brand-deep);
  line-height: 1;
}
.about-stats .stat span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 6px;
  display: block;
  line-height: 1.3;
}
.about-visual {
  height: 280px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(14, 165, 165, .9), rgba(26, 17, 112, .92)),
    repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 8px, transparent 8px 16px);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
  color: white;
  text-align: center;
  order: -1; /* visual em cima no mobile */
}
.about-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .25;
}
.about-visual .quote {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
  padding: 0 var(--space-5);
  max-width: 420px;
}
.about-visual .quote em {
  font-style: normal;
  color: var(--accent-yellow);
}

@media (min-width: 720px) {
  .about-text h2 { font-size: var(--fs-2xl); }
  .about-stats .stat strong { font-size: 1.9rem; }
  .about-visual { height: 360px; }
  .about-visual .quote { font-size: 1.7rem; }
}
@media (min-width: 980px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-9);
    align-items: center;
  }
  .about-text h2 { font-size: var(--fs-3xl); }
  .about-stats .stat strong { font-size: 2.2rem; }
  .about-visual { height: 460px; order: 0; }
  .about-visual .quote { font-size: 2rem; }
}