/* ============================================================
   CUESTA SOLAR — Seções
   ============================================================ */

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: clamp(96px, 12vh, 132px);
  padding-bottom: clamp(96px, 14vh, 150px);
}
.hero__canvas, .hero__video {
  position: absolute; inset: 0;
  z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  /* zoom p/ recortar marca d'água do vídeo gerado por IA */
  transform: scale(1.22) translateY(-1.5%);
  transform-origin: center;
}
/* veil claro: branco à esquerda (legibilidade do texto) → vídeo à direita → funde no fundo embaixo */
.hero__veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(96deg,
      rgba(248,245,239,.99) 0%,
      rgba(248,245,239,.97) 40%,
      rgba(248,245,239,.85) 56%,
      rgba(248,245,239,.40) 76%,
      rgba(248,245,239,0) 100%),
    linear-gradient(180deg, rgba(248,245,239,.55) 0%, transparent 16%, transparent 58%, var(--c-bg) 100%);
}
/* aurora de luz solar suave */
.hero__aura {
  position: absolute; z-index: 1; pointer-events: none;
  width: 56vw; height: 56vw; max-width: 760px; max-height: 760px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .5;
  mix-blend-mode: multiply;
}
.hero__aura--gold {
  top: -12%; left: -8%;
  background: radial-gradient(circle, rgba(255,180,40,.5), transparent 62%);
}
.hero__aura--blue {
  bottom: -18%; right: -10%;
  background: radial-gradient(circle, rgba(0,170,215,.35), transparent 62%);
  mix-blend-mode: normal;
}
.hero__inner { position: relative; z-index: 2; max-width: min(1080px, 94vw); }
.hero h1 {
  font-size: var(--fs-hero);
  letter-spacing: var(--ls-hero);
  line-height: 1.04;
  margin: var(--s-5) 0 var(--s-6);
}
.hero h1 .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.16em;
  margin-bottom: -0.08em;
}
/* achatado apenas no desktop */
@media (min-width: 768px) {
  .hero h1 { line-height: 0.9; }
  .hero h1 .line { margin-bottom: -0.2em; }
}
.hero__sub {
  font-size: var(--fs-md);
  color: var(--t-mid);
  max-width: 54ch;
  margin-bottom: var(--s-7);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.hero__scroll {
  position: absolute; left: var(--gutter); bottom: var(--s-6);
  z-index: 2;
  display: flex; align-items: center; gap: var(--s-3);
  font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase;
  color: var(--t-low);
}
.hero__scroll-rail {
  width: 1px; height: 46px;
  background: linear-gradient(var(--gold), transparent);
  position: relative; overflow: hidden;
}
.hero__scroll-rail::after {
  content: ""; position: absolute; top: 0; left: 0;
  width: 100%; height: 40%;
  background: var(--blue);
  animation: scrollRail 2.4s var(--e-inout) infinite;
}
.hero__ticker {
  position: relative; z-index: 2;
  display: flex; gap: clamp(24px, 4vw, 56px); flex-wrap: wrap;
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-line);
}
.hero__ticker .stat__num { font-size: var(--fs-lg); }

/* ============ MANIFESTO ============ */
.manifesto { text-align: left; }
.manifesto__quote {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: var(--fs-3xl);
  line-height: 1.08;
  letter-spacing: var(--ls-head);
  color: var(--t-faint);
  max-width: 20ch;
}
.manifesto__quote .hl { color: var(--t-hi); }
.manifesto__quote .grad { background: var(--grad-fusion); -webkit-background-clip: text; background-clip: text; color: transparent; }
.manifesto__pillars {
  margin-top: var(--s-9);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-5);
}
.manifesto__pillar { padding-top: var(--s-4); border-top: 1px solid var(--c-line); }
.manifesto__pillar h4 { font-size: var(--fs-md); margin-bottom: var(--s-2); }
.manifesto__pillar p { font-size: var(--fs-sm); color: var(--t-low); }

/* ============ SOBRE / TIMELINE ============ */
.about__layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: var(--s-9); align-items: start; }
.about__intro { position: sticky; top: 120px; }
.about__intro .head__title { font-size: var(--fs-xl); }
.about__stats { display: flex; gap: var(--s-7); margin-top: var(--s-7); flex-wrap: wrap; }

.timeline { position: relative; padding-left: var(--s-7); }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 1px; background: linear-gradient(var(--gold), var(--blue), transparent);
}
.tl__item { position: relative; padding-bottom: var(--s-8); }
.tl__item:last-child { padding-bottom: 0; }
.tl__dot {
  position: absolute; left: calc(-1 * var(--s-7) + 1px); top: 4px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--c-black); border: 2px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(255,193,7,.12);
}
.tl__item:nth-child(even) .tl__dot { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,212,255,.12); }
.tl__year { font-family: var(--f-display); font-size: var(--fs-sm); letter-spacing: .14em; color: var(--gold); font-weight: 700; }
.tl__item:nth-child(even) .tl__year { color: var(--blue); }
.tl__title { font-size: var(--fs-lg); margin: var(--s-2) 0 var(--s-3); }
.tl__desc { font-size: var(--fs-sm); color: var(--t-mid); max-width: 52ch; }

/* ============ ENGENHARIA ============ */
.eng__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.eng__cell {
  position: relative;
  padding: var(--s-6);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--d-base) var(--e-out), border-color var(--d-base) var(--e-out), transform var(--d-base) var(--e-out);
  overflow: hidden;
}
.eng__cell:hover { transform: translateY(-4px); border-color: var(--c-line-strong); box-shadow: var(--shadow-md); }
.eng__cell:hover .eng__num { color: var(--gold-deep); }
.eng__num { font-family: var(--f-display); font-size: var(--fs-sm); color: var(--t-faint); letter-spacing: .1em; transition: color var(--d-base); }
.eng__cell h3 { font-size: var(--fs-md); margin: var(--s-5) 0 var(--s-3); }
.eng__cell p { font-size: var(--fs-sm); color: var(--t-low); }
.eng__cell-glow {
  position: absolute; top: -40%; right: -30%;
  width: 60%; height: 120%;
  background: radial-gradient(circle, rgba(0,212,255,.16), transparent 65%);
  opacity: 0; transition: opacity var(--d-slow) var(--e-out);
  pointer-events: none;
}
.eng__cell:hover .eng__cell-glow { opacity: 1; }

/* ============ PROJETOS (grid estático) ============ */
.projects__rail {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-5);
  max-width: 920px;
  margin-inline: auto;
}
.project {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  box-shadow: var(--shadow-sm);
  position: relative;
  isolation: isolate;
  transition: transform var(--d-base) var(--e-out), box-shadow var(--d-base) var(--e-out);
}
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.project__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(85% 70% at 28% 16%, rgba(0,170,210,.22), transparent 62%),
    radial-gradient(80% 80% at 84% 92%, rgba(255,170,0,.24), transparent 62%),
    linear-gradient(160deg, #eaf5f8, #fdf3e2);
  overflow: hidden;
}
.project__media svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.project__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project__tag {
  position: absolute; top: var(--s-4); left: var(--s-4); z-index: 2;
}
.project__body { padding: var(--s-6); }
.project__title { font-size: var(--fs-lg); margin-bottom: var(--s-2); }
.project__loc { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--t-low); }
.project__specs { display: flex; gap: var(--s-6); margin: var(--s-5) 0; }
.project__spec .stat__num { font-size: var(--fs-lg); }
.project__spec .stat__label { font-size: .62rem; }
.project__desc { font-size: var(--fs-sm); color: var(--t-mid); }
.projects__hint { display: flex; align-items: center; gap: var(--s-3); margin-top: var(--s-4); font-size: var(--fs-xs); color: var(--t-low); letter-spacing: .1em; text-transform: uppercase; }

/* ============ SHOWROOM ============ */
.showroom__intro { text-align: center; margin-bottom: var(--s-9); }
.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
  padding-block: clamp(56px, 8vw, 120px);
}
.product + .product { border-top: 1px solid var(--c-line); }
.product:nth-child(even) .product__visual { order: 2; }
.product__eyebrow { margin-bottom: var(--s-4); }
.product h3 { font-size: var(--fs-2xl); margin-bottom: var(--s-4); }
.product__lead { font-size: var(--fs-md); color: var(--t-mid); margin-bottom: var(--s-6); max-width: 56ch; }
.product__features { display: grid; gap: var(--s-3); margin-bottom: var(--s-7); }
.product__feature {
  display: flex; gap: var(--s-3); align-items: flex-start;
  font-size: var(--fs-sm); color: var(--t-mid);
}
.product__feature svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; color: var(--blue); }
.product__cta { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.product__visual {
  position: relative;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1 / 1;
  justify-self: center;
  align-self: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  background:
    radial-gradient(70% 70% at 50% 30%, #ffffff, transparent 72%),
    linear-gradient(165deg, #f4f8fa, #fbf4e6);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,.7);
  display: grid; place-items: center;
  overflow: hidden;
}
.product__visual::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(50% 50% at 50% 50%, var(--_glow, rgba(0,212,255,.2)), transparent 70%);
  opacity: .8;
}
.product__visual svg { position: relative; width: 78%; height: 78%; }
.product__visual video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transform: scale(1.28);
}
/* fotos reais de produto: contain p/ não cortar logo de marca */
.product__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: inherit;
  padding: clamp(22px, 5%, 52px);
  z-index: 1;
}
.product__visual:has(img)::before { opacity: .4; }

/* ============ TECH-EDU (educativo: micro vs string + MLPE) ============ */
.tech-edu__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
  margin-top: var(--s-7);
}
.tech-edu__card {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.tech-edu__media {
  background: linear-gradient(165deg, #f4f8fa, #fbf4e6);
  border-bottom: 1px solid var(--c-line);
  padding: var(--s-5);
}
.tech-edu__media img { width: 100%; height: auto; display: block; border-radius: var(--radius); }
.tech-edu__body { padding: var(--s-6); }
.tech-edu__body h3 { font-size: var(--fs-lg); margin-bottom: var(--s-3); }
.tech-edu__body p { font-size: var(--fs-sm); color: var(--t-mid); line-height: 1.7; }
.tech-edu__body p + p { margin-top: var(--s-3); }
.tech-edu__payback {
  margin-top: var(--s-5);
  border: 1px solid rgba(255,178,0,.4);
  border-radius: var(--radius-lg);
  padding: var(--s-7);
  background: linear-gradient(180deg, rgba(255,196,77,.12), var(--c-surface));
  box-shadow: var(--glow-gold);
}
.tech-edu__payback h3 { font-size: var(--fs-lg); margin-bottom: var(--s-3); }
.tech-edu__payback p { font-size: var(--fs-sm); color: var(--t-mid); line-height: 1.75; max-width: 70ch; }
.tech-edu__payback p + p { margin-top: var(--s-3); }
@media (max-width: 820px) {
  .tech-edu__grid { grid-template-columns: 1fr; }
}

/* ============ HERO BANNER (carrossel de imagens — páginas internas) ============ */
.hero-banner {
  position: relative;
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  /* fallback enquanto as imagens não existem */
  background:
    radial-gradient(80% 120% at 18% 0%, rgba(0,170,215,.30), transparent 58%),
    radial-gradient(80% 120% at 92% 100%, rgba(255,170,0,.28), transparent 58%),
    linear-gradient(120deg, #0c1620, #142634 55%, #0c1620);
}
.hero-banner__slides { position: absolute; inset: 0; z-index: 0; }
.hero-banner__slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.1s var(--e-inout);
  will-change: opacity;
}
.hero-banner__slide.is-active { opacity: 1; }
.hero-banner__slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.hero-banner__overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(0deg, rgba(8,12,18,.86) 0%, rgba(8,12,18,.32) 42%, rgba(8,12,18,.12) 72%, transparent 100%),
    linear-gradient(100deg, rgba(8,12,18,.55) 0%, transparent 55%);
}
.hero-banner__inner {
  position: relative; z-index: 2;
  width: 100%;
  padding-bottom: clamp(72px, 11vh, 140px);
  padding-top: clamp(120px, 16vh, 200px);
}
.hero-banner .eyebrow { color: var(--gold-soft); }
.hero-banner .eyebrow::before { background: var(--grad-solar); }
.hero-banner__title {
  font-family: var(--f-display);
  font-size: var(--fs-2xl);
  color: #fff;
  max-width: 20ch;
  margin-top: var(--s-4);
  letter-spacing: var(--ls-head);
  line-height: 1.05;
}
.hero-banner__lead {
  margin-top: var(--s-5);
  font-size: var(--fs-md);
  color: rgba(255,255,255,.84);
  max-width: 58ch;
}
.hero-banner__dots {
  display: flex; gap: var(--s-3);
  margin-top: clamp(28px, 5vh, 48px);
}
.hero-banner__dot {
  width: 38px; height: 4px; border-radius: var(--radius-pill);
  border: none; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.28);
  transition: background var(--d-base) var(--e-out), transform var(--d-base) var(--e-out);
}
.hero-banner__dot:hover { background: rgba(255,255,255,.5); }
.hero-banner__dot.is-active { background: var(--grad-solar); transform: scaleY(1.6); }
.hero-banner__scroll {
  position: absolute; right: var(--gutter); bottom: clamp(28px, 5vh, 48px); z-index: 2;
  display: flex; align-items: center; gap: var(--s-3);
  font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
@media (max-width: 720px) {
  .hero-banner { min-height: clamp(560px, 86svh, 760px); }
  .hero-banner__scroll { display: none; }
}

/* ============ SYSCARDS (Sistema Residencial / Comercial, cards expansíveis) ============ */
.syscards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
  align-items: start;
}
.syscard {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .4s var(--e-out), box-shadow .4s var(--e-out), border-color .4s var(--e-out);
}
.syscard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--c-line-strong); }
.syscard.is-open { box-shadow: var(--shadow-md); border-color: var(--c-line-strong); }
.syscard__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: radial-gradient(70% 70% at 50% 30%, #ffffff, transparent 72%), linear-gradient(165deg, #f4f8fa, #fbf4e6);
}
.syscard__media img { width: 100%; height: 100%; object-fit: contain; padding: clamp(18px, 5%, 34px); transition: transform .6s var(--e-out); }
.syscard:hover .syscard__media img { transform: scale(1.06); }
.syscard__badge { position: absolute; top: var(--s-4); left: var(--s-4); z-index: 2; }
.syscard__body { display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-6); flex: 1; }
.syscard__title { font-family: var(--f-display); font-size: var(--fs-xl); letter-spacing: var(--ls-head); margin-top: calc(-1 * var(--s-1)); }
.syscard__lead { font-size: var(--fs-sm); color: var(--t-mid); line-height: 1.65; }
.syscard__lead strong { color: var(--t-hi); font-weight: 600; }
.syscard__quick { display: grid; gap: var(--s-2); margin-top: var(--s-1); }
.syscard__q { display: flex; gap: var(--s-2); align-items: flex-start; font-size: var(--fs-sm); color: var(--t-hi); }
.syscard__q svg { width: 18px; height: 18px; color: var(--gold-deep); flex-shrink: 0; margin-top: 2px; }
/* expansão animada */
.syscard__more { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--e-inout); }
.syscard.is-open .syscard__more { grid-template-rows: 1fr; }
.syscard__more-inner { overflow: hidden; min-height: 0; }
.syscard__detail { border-top: 1px solid var(--c-line); margin-top: var(--s-4); padding-top: var(--s-4); }
.syscard__detail h4 { font-size: var(--fs-md); margin-bottom: var(--s-2); }
.syscard__detail p { font-size: var(--fs-sm); color: var(--t-mid); line-height: 1.7; }
.syscard__vantagens { display: grid; gap: var(--s-2); margin-top: var(--s-3); }
.syscard__thumbs { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-5); }
.syscard__thumbs img {
  width: 92px; height: 68px; object-fit: contain;
  border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; padding: 6px;
}
.syscard__cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: auto; padding-top: var(--s-5); }
.syscard__toggle svg { width: 18px; height: 18px; transition: transform .4s var(--e-out); }
.syscard.is-open .syscard__toggle svg { transform: rotate(180deg); }
@media (max-width: 900px) {
  .syscards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .syscard__media { aspect-ratio: 4 / 3; }
  .syscard__body { padding: var(--s-5); }
  .syscard__cta { flex-direction: column; align-items: stretch; }
  .syscard__cta .btn { width: 100%; justify-content: center; white-space: normal; text-align: center; }
  .syscard__thumbs img { width: 78px; height: 58px; }
}

/* ===== PAGE HEADER (páginas internas) ===== */
.page-header {
  padding-block: clamp(110px, 14vw, 180px) clamp(48px, 6vw, 80px);
  border-bottom: 1px solid var(--c-line);
}
.page-header__title {
  font-family: var(--f-display);
  font-size: var(--fs-2xl);
  max-width: 20ch;
  margin-top: var(--s-3);
  letter-spacing: var(--ls-head);
}
.page-header__lead {
  margin-top: var(--s-4);
  font-size: var(--fs-md);
  color: var(--t-mid);
  max-width: 58ch;
}

/* ============ COMPARATIVOS ============ */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5); }
.compare__col {
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  padding: var(--s-7);
  background: var(--c-deep);
  box-shadow: var(--shadow-sm);
}
.compare__col--pro {
  border-color: rgba(255,178,0,.45);
  background: linear-gradient(180deg, rgba(255,196,77,.14), #fff);
  box-shadow: var(--glow-gold);
}
.compare__label {
  font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase;
  color: var(--t-low); margin-bottom: var(--s-2);
}
.compare__col--pro .compare__label { color: var(--gold); }
.compare__name { font-size: var(--fs-lg); margin-bottom: var(--s-6); }
.compare__list { display: grid; gap: var(--s-4); }
.compare__row { display: flex; gap: var(--s-3); align-items: flex-start; font-size: var(--fs-sm); }
.compare__row svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.compare__col--con .compare__row svg { color: var(--t-faint); }
.compare__col--pro .compare__row svg { color: var(--gold); }
.compare__row span { color: var(--t-mid); }
.compare__col--con .compare__row span { color: var(--t-low); }

/* ============ AVALIAÇÕES ============ */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
.review { display: flex; flex-direction: column; gap: var(--s-5); }
.review__stars { display: flex; gap: 3px; color: var(--gold); }
.review__stars svg { width: 16px; height: 16px; }
.review__text { font-size: var(--fs-md); color: var(--t-hi); line-height: 1.5; font-family: var(--f-display); font-weight: 500; }
.review__who { display: flex; align-items: center; gap: var(--s-3); margin-top: auto; }
.review__avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; flex-shrink: 0;
  font-family: var(--f-display); font-weight: 700; font-size: var(--fs-sm);
  color: #0a0a0a; background: var(--grad-fusion);
}
.review__name { font-size: var(--fs-sm); color: var(--t-hi); font-weight: 600; }
.review__role { font-size: var(--fs-xs); color: var(--t-low); }

/* ============ BIBLIOTECA ============ */
.library__layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: var(--s-9); align-items: start; }
.library__intro { position: sticky; top: 120px; }

/* ============ CONTATO ============ */
.contact {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  padding: clamp(40px, 7vw, 88px);
  overflow: hidden;
  background:
    radial-gradient(80% 120% at 12% 0%, rgba(255,180,40,.18), transparent 55%),
    radial-gradient(80% 120% at 90% 100%, rgba(0,180,225,.16), transparent 55%),
    var(--c-deep);
  box-shadow: var(--shadow-lg);
}
.contact h2 { font-size: var(--fs-2xl); margin: var(--s-4) 0 var(--s-5); max-width: 18ch; }
.contact__lead { font-size: var(--fs-md); color: var(--t-mid); max-width: 50ch; margin-bottom: var(--s-7); }
.contact__options { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-3); margin-bottom: var(--s-7); }
.contact__opt {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
  background: var(--c-surface);
  box-shadow: var(--shadow-sm);
  text-align: left;
  transition: border-color var(--d-base) var(--e-out), box-shadow var(--d-base) var(--e-out), transform var(--d-fast) var(--e-out);
}
.contact__opt:hover { transform: translateY(-3px); border-color: var(--c-line-strong); box-shadow: var(--shadow-md); }
.contact__opt svg { width: 22px; height: 22px; color: var(--gold-deep); flex-shrink: 0; }
.contact__opt-title { font-size: var(--fs-sm); color: var(--t-hi); font-weight: 600; }
.contact__opt-sub { font-size: var(--fs-xs); color: var(--t-low); }

/* ===== responsivo seções ===== */
@media (max-width: 1024px) {
  .manifesto__pillars { grid-template-columns: repeat(2, 1fr); }
  .about__layout { grid-template-columns: 1fr; gap: var(--s-8); }
  .about__intro, .library__intro { position: static; }
  .eng__grid { grid-template-columns: repeat(2, 1fr); }
  .product { grid-template-columns: 1fr; gap: var(--s-7); }
  .product:nth-child(even) .product__visual { order: 0; }
  .product__visual { max-width: 100%; aspect-ratio: 4/3; }
  .reviews__grid { grid-template-columns: 1fr 1fr; }
  .library__layout { grid-template-columns: 1fr; gap: var(--s-7); }
}
@media (max-width: 640px) {
  .hero__cta { width: 100%; }
  .hero__cta .btn { width: 100%; justify-content: center; white-space: normal; text-align: center; }
  .manifesto__pillars { grid-template-columns: 1fr; }
  .eng__grid { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .reviews__grid { grid-template-columns: 1fr; }
  .projects__rail { grid-template-columns: 1fr; }
  .contact__options { grid-template-columns: 1fr; }
  .contact { padding: var(--s-6) var(--s-5); overflow: visible; }
  .hero__ticker { display: none; }
  .about__stats { gap: var(--s-5); }
  .showcase__caption { padding: var(--s-5); }
  .showcase__caption h3 { font-size: var(--fs-lg); }
}

/* ============ SHOWCASE (banda de vídeo cinematográfica) ============ */
.showcase {
  position: relative;
  /* full-bleed: ocupa toda a largura da viewport */
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  border-radius: 0;
  border: none;
  box-shadow: none;
  overflow: hidden;
  height: clamp(480px, 82vh, 900px);
  isolation: isolate;
  /* fallback enquanto o vídeo não é fornecido */
  background:
    radial-gradient(80% 120% at 18% 0%, rgba(0,170,215,.32), transparent 58%),
    radial-gradient(80% 120% at 92% 100%, rgba(255,170,0,.30), transparent 58%),
    linear-gradient(120deg, #0c1620, #142634 55%, #0c1620);
}
.showcase--product {
  background:
    radial-gradient(70% 120% at 80% 10%, rgba(255,180,40,.34), transparent 56%),
    radial-gradient(70% 120% at 10% 100%, rgba(0,170,215,.26), transparent 56%),
    linear-gradient(140deg, #10100c, #1c1a12 55%, #0c0c0a);
}
.showcase__video {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  /* zoom p/ recortar marca d'água */
  transform: scale(1.2) translateY(-1%);
  transform-origin: center;
}
.showcase__overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10,16,22,.72) 0%, rgba(10,16,22,.35) 38%, transparent 64%),
    linear-gradient(0deg, rgba(10,16,22,.55) 0%, transparent 40%);
}
.showcase__caption {
  position: absolute; z-index: 2;
  left: 0; bottom: 0;
  max-width: calc(620px + var(--gutter));
  padding: clamp(32px, 6vh, 72px) var(--gutter);
  color: #fff;
}
.showcase__caption .eyebrow { color: var(--gold-soft); }
.showcase__caption .eyebrow::before { background: var(--grad-solar); }
.showcase__caption h3 {
  font-size: var(--fs-xl);
  color: #fff;
  margin: var(--s-3) 0 var(--s-3);
}
.showcase__caption p { color: rgba(255,255,255,.82); font-size: var(--fs-sm); max-width: 50ch; }
@media (max-width: 720px) {
  .showcase { height: clamp(440px, 86vh, 680px); }
  .showcase__overlay { background: linear-gradient(0deg, rgba(10,16,22,.82) 0%, rgba(10,16,22,.25) 55%, transparent 100%); }
}