/* =========================================================
   MARMORARIA CLARA — style.css
   Design system · mobile-first · responsivo
   ========================================================= */

:root {
  --red: #C8102E;
  --red-dark: #A20D24;
  --black: #141414;
  --graphite: #2a2a2a;
  --mineral: #6e6b66;
  --gray: #b6b2ab;
  --gray-light: #e7e4df;
  --off-white: #f7f5f1;
  --white: #ffffff;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1220px;
  --gutter: 24px;
  --radius: 14px;
  --radius-sm: 10px;

  --shadow-sm: 0 1px 2px rgba(20, 20, 20, 0.06), 0 4px 12px rgba(20, 20, 20, 0.05);
  --shadow-md: 0 12px 32px rgba(20, 20, 20, 0.12);

  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

section { scroll-margin-top: calc(var(--header-h) + 12px); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* ============ TIPOGRAFIA ============ */
.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--black);
}

.section__subtitle {
  color: var(--mineral);
  font-size: 1.05rem;
  max-width: 560px;
  margin-top: 16px;
}

.section__head { max-width: 720px; margin-bottom: 48px; }
.section__head--light .section__title { color: var(--white); }
.section__head--light .section__subtitle { color: var(--gray); }

.section__note {
  margin-top: 32px;
  color: var(--mineral);
  font-size: 0.95rem;
  text-align: center;
}

/* ============ BOTÕES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 15px 28px;
  border-radius: 999px;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}

.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(200, 16, 46, 0.28); }

.btn--dark { background: var(--black); color: #fff; }
.btn--dark:hover { background: var(--graphite); transform: translateY(-2px); }

.btn--ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.55); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; transform: translateY(-2px); }

.btn--lg { padding: 17px 34px; font-size: 1.02rem; }
.btn--xl { padding: 20px 40px; font-size: 1.1rem; }
.btn--white { background: #fff; color: var(--red); }
.btn--white:hover { background: #f1f1f1; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0, 0, 0, 0.22); }

/* ============ SEÇÕES ============ */
.section { padding: 84px 0; }
.section--alt { background: var(--off-white); }
.section--dark { background: var(--black); color: #fff; }

.section__cta { text-align: center; margin-top: 40px; }

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
  background: transparent;
}
.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 rgba(20, 20, 20, 0.06), 0 8px 24px rgba(20, 20, 20, 0.06);
}
.header.is-open {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: none;
}
.header.is-open .logo__name { color: var(--black); }
.header.is-open .logo__tagline { color: var(--mineral); }

/* Logo */
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo__img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  transition: transform 0.3s var(--ease), filter 0.3s var(--ease), height 0.3s var(--ease);
}
.logo:hover .logo__img {
  transform: scale(1.03);
}
.header.is-scrolled .logo__img {
  height: 46px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.25));
}
.logo__img--footer {
  height: 62px;
  max-width: 260px;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

/* Nav */
.nav { display: flex; align-items: center; gap: 26px; }
.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}
.nav__link:hover { color: var(--red); }
.header.is-scrolled .nav__link { color: var(--graphite); }
.header.is-scrolled .nav__link:hover { color: var(--red); }
.nav__cta { padding: 12px 22px; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease), opacity 0.2s;
}
.header.is-scrolled .nav-toggle span { background: var(--black); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-toggle.is-open span { background: var(--black); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 48px) 0 96px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to right, rgba(10, 10, 10, 0.82) 0%, rgba(10, 10, 10, 0.55) 45%, rgba(10, 10, 10, 0.22) 100%);
}
.hero__content { max-width: 680px; }
.hero__eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 22px;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 22px;
}
.hero__subtitle {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.86);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.hero__scroll span {
  width: 3px; height: 8px;
  background: #fff;
  border-radius: 3px;
  animation: scrollPulse 1.8s infinite;
}
@keyframes scrollPulse {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 0; }
}

/* ============ FAIXA DE AUTORIDADE ============ */
.authority {
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
}
.authority__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 20px;
  padding: 36px 0;
}
.authority__item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--graphite);
}
.authority__item .icon {
  width: 26px; height: 26px;
  stroke: var(--red);
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.authority__label { letter-spacing: 0.01em; }

/* ============ SOLUÇÕES ============ */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.solution-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--graphite);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 5;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.solution-card__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.solution-card:hover .solution-card__img { transform: scale(1.06); }
.solution-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.28) 46%, rgba(10, 10, 10, 0.05) 100%);
}
.solution-card__body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px;
  z-index: 1;
}
.solution-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.55rem;
  color: #fff;
  margin-bottom: 8px;
}
.solution-card__desc { color: rgba(255, 255, 255, 0.82); font-size: 0.95rem; margin-bottom: 18px; }
.solution-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--red);
  padding-bottom: 3px;
  transition: color 0.2s var(--ease);
}
.solution-card__cta:hover { color: var(--red); }

/* ============ MÁRMORES ============ */
.marble-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.marble-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.marble-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.marble-card__media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--off-white); }
.marble-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.marble-card:hover .marble-card__img { transform: scale(1.06); }
.marble-card__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.marble-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.28rem;
  color: var(--black);
  margin-bottom: 6px;
}
.marble-card__desc { color: var(--mineral); font-size: 0.92rem; margin-bottom: 20px; flex: 1; }
.marble-card__cta {
  align-self: flex-start;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--red);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s var(--ease);
}
.marble-card__cta:hover { gap: 10px; }

/* ============ EDITORIAL ============ */
.editorial { background: var(--off-white); }
.editorial__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.editorial__title { margin-bottom: 20px; }
.editorial__text { color: var(--mineral); font-size: 1.08rem; max-width: 460px; margin-bottom: 28px; }
.editorial__media { position: relative; height: 480px; }
.editorial__img { position: absolute; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.editorial__img--main { top: 0; left: 0; width: 68%; height: 100%; }
.editorial__img--small { bottom: 0; right: 0; width: 44%; height: 44%; z-index: 2; }
.editorial__img--detail { top: 8%; right: 0; width: 40%; height: 40%; z-index: 1; }

/* ============ CURIOSIDADES DA PEDRA ============ */
.curiosity__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.curiosity__text {
  color: var(--mineral);
  font-size: 1.06rem;
  margin: 20px 0 24px;
  max-width: 520px;
}
.curiosity__geo { margin-bottom: 28px; }
.curiosity__geo svg { width: 84px; height: 84px; }

.curiosity__media {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.curiosity__complement {
  color: var(--mineral);
  font-size: 0.95rem;
  margin-bottom: 18px;
  max-width: 340px;
}
.curiosity__video { width: min(80vw, 340px); }

.video-facade {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--black);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  outline: none;
}
.video-facade img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-facade__play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10, 10, 10, 0.22);
  transition: background 0.3s var(--ease);
}
.video-facade:hover .video-facade__play,
.video-facade:focus-visible .video-facade__play { background: rgba(10, 10, 10, 0.38); }
.video-facade__btn {
  width: 66px; height: 66px;
  border-radius: 50%;
  background: var(--red);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(200, 16, 46, 0.4);
  transition: transform 0.3s var(--ease);
}
.video-facade:hover .video-facade__btn { transform: scale(1.07); }
.video-facade__btn svg { width: 26px; height: 26px; fill: #fff; }
.video-facade.is-playing img,
.video-facade.is-playing .video-facade__play { display: none; }

.curiosity__caption {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 2px solid var(--red);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--graphite);
  max-width: 340px;
}

/* ============ PROJETOS ============ */
.projects-marquee {
  overflow: hidden;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.projects-marquee:active { cursor: grabbing; }
.projects-track {
  display: flex;
  align-items: flex-start;
  width: max-content;
  will-change: transform;
  touch-action: pan-y;
}
.project-slide {
  flex: 0 0 auto;
  width: min(78vw, 400px);
  margin-right: 18px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-light);
}
.project-slide__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  pointer-events: none;
  background: var(--gray-light);
}

/* ============ OBRAS EM VÍDEO ============ */
.reels { position: relative; }
.reels-carousel { position: relative; margin-top: 8px; }
.reels-viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 var(--gutter);
  scrollbar-width: none;
}
.reels-viewport::-webkit-scrollbar { display: none; }
.reels-track { display: flex; gap: 20px; padding: 0 var(--gutter); }
.reel-slide { flex: 0 0 100%; scroll-snap-align: start; }

.reel-card { display: flex; flex-direction: column; height: 100%; }
.reel-card__frame {
  position: relative;
  width: 100%;
  min-height: 240px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
}
.reel-card__placeholder {
  aspect-ratio: 9 / 16;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--gray);
  font-size: 0.85rem;
}
.reel-card__spinner {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--red);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.reel-card__frame blockquote.instagram-media { margin: 0; width: 100%; }
.reel-card__frame blockquote.instagram-media > a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 240px;
  color: #fff;
  font-weight: 600;
}
.reel-card__frame iframe { display: block; width: 100%; border: 0; }
.reel-card__figcaption { padding: 16px 4px 0; }
.reel-card__cat {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}
.reel-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: #fff;
  margin: 6px 0 10px;
}
.reel-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s var(--ease);
}
.reel-card__link:hover { color: #fff; }

.reels-nav {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  z-index: 2;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(20, 20, 20, 0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.reels-nav:hover { background: var(--red); transform: translateY(-50%) scale(1.05); }
.reels-nav svg { width: 24px; height: 24px; }
.reels-nav--prev { left: 10px; }
.reels-nav--next { right: 10px; }

.reels-cta { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 60px; }
.reels-cta__block {
  border-radius: var(--radius);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}
.reels-cta__block--red { background: var(--red); border-color: var(--red); }
.reels-cta__title { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; color: #fff; margin-bottom: 10px; }
.reels-cta__text { color: rgba(255, 255, 255, 0.82); margin-bottom: 24px; }
.reels-cta__block--red .reels-cta__text { color: rgba(255, 255, 255, 0.92); }

/* ============ MATERIAIS ============ */
.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.material-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--graphite);
  box-shadow: var(--shadow-sm);
}
.material-card__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.material-card:hover .material-card__img { transform: scale(1.06); }
.material-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.1) 65%);
}
.material-card__body { position: absolute; left: 22px; bottom: 20px; z-index: 1; }
.material-card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; color: #fff; }
.material-card__cta { font-size: 0.85rem; font-weight: 600; color: var(--red); }

/* ============ PROCESSO ============ */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.process-step {
  padding: 28px 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.process-step:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.06); }
.process-step__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--red);
  display: block;
  margin-bottom: 12px;
}
.process-step__title { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: #fff; margin-bottom: 8px; }
.process-step__desc { color: var(--gray); font-size: 0.95rem; }

/* ============ LOCAL ============ */
.local { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center; }
.local__media img { width: 100%; height: 100%; max-height: 440px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.local__content .section__title { margin-bottom: 12px; }
.local__content .section__subtitle { margin-bottom: 28px; }

/* ============ BAND (construindo) ============ */
.section--band { background: var(--off-white); }
.band {
  max-width: 820px;
  text-align: center;
}
.band__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  color: var(--black);
  margin-bottom: 16px;
}
.band__text { color: var(--mineral); font-size: 1.05rem; margin: 0 auto 30px; max-width: 560px; }

/* ============ ARQUITETOS ============ */
.section--architects {
  background: var(--black);
  background-image: radial-gradient(circle at 80% 20%, rgba(200, 16, 46, 0.12), transparent 45%);
}
.architects { max-width: 760px; }
.architects__content .section__title { color: #fff; margin-bottom: 18px; }
.architects__content .section__subtitle { color: var(--gray); margin-bottom: 30px; }

/* ============ DEPOIMENTOS ============ */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px;
}
.testimonial-card__text { font-size: 1.02rem; color: var(--graphite); font-style: italic; margin-bottom: 20px; }
.testimonial-card__footer { display: flex; align-items: center; gap: 14px; }
.testimonial-card__avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gray-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--mineral);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.testimonial-card__name { font-weight: 600; color: var(--black); }
.testimonial-card__city { font-size: 0.85rem; color: var(--mineral); }
.testimonials-empty {
  border: 1px dashed var(--gray-light);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--mineral);
  background: var(--off-white);
}

/* ============ INSTAGRAM ============ */
.insta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.insta-item {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-light);
}
.insta-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.insta-item:hover img { transform: scale(1.06); }
.insta-item::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(200, 16, 46, 0);
  transition: background 0.3s var(--ease);
}
.insta-item:hover::after { background: rgba(200, 16, 46, 0.18); }

/* ============ CTA FINAL ============ */
.section--cta {
  position: relative;
  background: var(--black);
  overflow: hidden;
}
.section--cta::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,10,0.78), rgba(10,10,10,0.9)),
    url("https://images.unsplash.com/photo-1600566753086-00f18fb6b3ea?auto=format&fit=crop&w=1600&q=80") center / cover;
}
.cta-final { position: relative; text-align: center; max-width: 820px; }
.cta-final__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  color: #fff;
  line-height: 1.05;
  margin-bottom: 20px;
}
.cta-final__text { color: rgba(255, 255, 255, 0.85); font-size: 1.1rem; margin: 0 auto 32px; max-width: 560px; }

/* ============ CONTATO ============ */
.contact { display: grid; grid-template-columns: 1fr; gap: 40px; }
.contact__info .section__title { margin-bottom: 28px; }
.contact__block { margin-bottom: 28px; }
.contact__block h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 8px; color: var(--black); }
.contact__block p { color: var(--mineral); line-height: 1.7; }
.contact__lines { display: flex; flex-direction: column; gap: 16px; }
.contact__line {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.contact__line:hover { border-color: var(--gray); background: var(--off-white); }
.contact__line-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(200, 16, 46, 0.1);
  color: var(--red);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact__line-icon svg { width: 22px; height: 22px; fill: currentColor; }
.contact__line strong { color: var(--black); }
.contact__line span:last-child { color: var(--mineral); font-size: 0.92rem; }
.contact__map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); min-height: 340px; }
.contact__map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

/* ============ FOOTER ============ */
.footer { background: var(--black); color: #fff; padding: 72px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 56px;
}
.logo--footer .logo__name { color: #fff; }
.logo--footer .logo__tagline { color: var(--gray); }
.footer__desc { color: var(--gray); font-size: 0.95rem; margin-top: 18px; max-width: 360px; }
.footer__heading {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 18px;
}
.footer__nav, .footer__contact { display: flex; flex-direction: column; gap: 12px; }
.footer__nav a, .footer__contact a { color: rgba(255, 255, 255, 0.82); font-size: 0.95rem; transition: color 0.2s var(--ease); }
.footer__nav a:hover, .footer__contact a:hover { color: var(--red); }
.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: var(--gray);
}
.footer__privacy { color: var(--gray); }
.footer__privacy:hover { color: #fff; }

/* ============ WHATSAPP FLUTUANTE ============ */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 22px;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.wa-float svg { width: 24px; height: 24px; fill: #fff; flex-shrink: 0; }
.wa-float:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(37, 211, 102, 0.5); }

/* ============ ANIMAÇÕES (reveal) ============ */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}

/* =========================================================
   BREAKPOINTS
   ========================================================= */

/* Tablet */
@media (min-width: 640px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .marble-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .insta-grid { grid-template-columns: repeat(3, 1fr); }
  .authority__grid { grid-template-columns: repeat(4, 1fr); }
}

/* Desktop */
@media (min-width: 1024px) {
  :root { --gutter: 32px; }
  .section { padding: 110px 0; }

  .solutions-grid { grid-template-columns: repeat(3, 1fr); }
  .marble-grid { grid-template-columns: repeat(4, 1fr); }
  .materials-grid { grid-template-columns: repeat(4, 1fr); }
  .process-grid { grid-template-columns: repeat(5, 1fr); }
  .insta-grid { grid-template-columns: repeat(6, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }

  .editorial__inner { grid-template-columns: 1fr 1.1fr; gap: 72px; }
  .curiosity__grid { grid-template-columns: 1.05fr 0.85fr; gap: 72px; }
  .local { grid-template-columns: 1fr 1fr; gap: 72px; }
  .contact { grid-template-columns: 1fr 1fr; gap: 64px; }
  .footer__inner { grid-template-columns: 1.6fr 1fr 1.2fr auto; }
  .footer__bottom { flex-direction: row; }
}

/* Wide */
@media (min-width: 1280px) {
  .marble-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Mobile nav */
@media (max-width: 1023px) {
  .nav {
    position: fixed;
    inset: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 10px;
    padding: 40px 32px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    z-index: 99;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__link { color: var(--black); font-size: 1.5rem; font-weight: 600; }
  .nav__cta { margin-top: 20px; }
  .nav-toggle { display: flex; z-index: 101; }
}

/* Mobile: botão fixo inferior */
@media (max-width: 639px) {
  .wa-float {
    left: 0; right: 0; bottom: 0;
    border-radius: 0;
    justify-content: center;
    padding: 18px 16px;
    font-size: 1.05rem;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
  }
  .wa-float:hover { transform: none; }
  .hero__scroll { display: none; }
  body { padding-bottom: 76px; }
  .footer__bottom { padding-bottom: 96px; }
}

/* Reels responsive */
@media (max-width: 639px) {
  .reels-nav { display: none; }
  .reels-track { padding: 0 16px; gap: 16px; }
}
@media (min-width: 640px) {
  .reel-slide { flex: 0 0 calc((100% - 20px) / 2); }
}
@media (min-width: 1024px) {
  .reel-slide { flex: 0 0 calc((100% - 40px) / 3); }
}