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

:root {
  --clr-gray: #76777a;
  --clr-gray-light: #888b8d;
  --clr-bg-card: #f4f4f4;
  --clr-dark: #3e3e3e;
  --clr-white: #ffffff;
  --radius-card: 30px;
  --font-main: 'Source Sans 3', 'Roboto', sans-serif;
}

html {
  scroll-behavior: smooth;
  height: auto !important;
  display: block !important;
}

body {
  font-family: var(--font-main);
  color: var(--clr-gray);
  background: #fff !important;
  overflow-x: hidden;
  display: block !important;
  height: auto !important;
  min-height: 100vh;
  flex-direction: unset !important;
}

main#top {
  display: block;
  width: 100%;
}

/* ─── HEADER ─────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #ebebeb;
  height: 70px;
  display: flex;
  align-items: center;
}

.header__inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--clr-gray);
  text-transform: uppercase;
  text-decoration: none;
}

.header__nav {
  display: flex;
  gap: 32px;
}

.header__nav a {
  font-size: 14px;
  color: var(--clr-gray);
  text-decoration: none;
  font-weight: 400;
  transition: color .2s;
}

.header__nav a:hover {
  color: #333;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__actions a {
  font-size: 14px;
  color: var(--clr-gray);
  text-decoration: none;
}

/* ─── BANNER CAROUSEL ─────────────────────────────────── */
.banner {
  margin-top: 70px;
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 540px;
}

.banner__track {
  display: flex;
  height: 100%;
  transition: transform .6s ease;
}

.banner__slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.banner__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.banner__slide-content {
  position: absolute;
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  color: #fff;
  max-width: 500px;
}

.banner__slide-content h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .18);
}

.banner__slide-content p {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 28px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, .2);
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  text-decoration: none;
}

.btn--outline-white {
  border: 1.5px solid #fff;
  color: #fff;
  background: transparent;
}

.btn--outline-white:hover {
  background: #fff;
  color: var(--clr-gray);
}

.btn--outline-gray {
  border: 1.5px solid var(--clr-gray);
  color: var(--clr-gray);
  background: transparent;
  font-size: 14px;
  padding: 10px 28px;
}

.btn--outline-gray:hover {
  background: var(--clr-gray);
  color: #fff;
}

/* Banner 1 — Linha Residencial */
.banner__slide--1 {
  background: #f0edea;
}

/* Banner 2 — Desidrat Mini */
.banner__slide--2 {
  background: #1a1a1a;
}

.banner__slide--2 img {
  object-fit: contain;
}

/* Banner 3 — Black Friday */
.banner__slide--3 {
  background: #1a1a1a;
}

.banner__slide--3 img {
  object-fit: contain;
}

.banner__slide--3 .banner__slide-content {
  color: #fff;
}

/* Carousel controls */
.banner__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, .7);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
  z-index: 5;
}

.banner__btn:hover {
  background: rgba(255, 255, 255, .95);
}

.banner__btn--prev {
  left: 24px;
}

.banner__btn--next {
  right: 24px;
}

.banner__btn svg {
  width: 20px;
  height: 20px;
  color: var(--clr-gray);
}

.banner__dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}

.banner__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .5);
  border: none;
  cursor: pointer;
  transition: background .2s, transform .2s;
}

.banner__dot.active {
  background: #fff;
  transform: scale(1.3);
}

/* ─── SECTION HELPERS ─────────────────────────────────── */
.section {
  padding: 80px 0;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 80px;
}

.section__title {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  color: var(--clr-gray);
  margin-bottom: 48px;
  letter-spacing: .5px;
}

/* ─── PARA SUA CASA / PARA EMPRESA ───────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.cat-card {
  background: var(--clr-bg-card);
  border-radius: var(--radius-card);
  padding: 40px 40px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cat-card__title {
  font-size: 26px;
  font-weight: 600;
  color: var(--clr-gray);
  margin-bottom: 28px;
}

.cat-card__img {
  width: 250px;
  height: 250px;
  object-fit: contain;
  margin-bottom: 28px;
}

.cat-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--clr-gray-light);
  max-width: 400px;
  margin-bottom: 32px;
}

/* ─── LANÇAMENTOS / DESTAQUES ─────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.products-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 16px 20px;
  border-radius: 16px;
  transition: box-shadow .25s, transform .25s;
  cursor: pointer;
}

.product-card a {
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, .09);
}

.product-card__img {
  width: 160px;
  height: 200px;
  object-fit: contain;
  margin-bottom: 16px;
  display: block;
  transition: transform .25s;
}

.product-card:hover .product-card__img {
  transform: scale(1.10);
}

.product-card__img[src*="mini"],
.product-card__img[src*="compact-ion"] {
  width: 110px;
  height: 140px;
  margin-top: 30px;
  margin-bottom: 46px;
}

.product-card__name {
  font-size: 14px;
  color: var(--clr-gray);
  font-weight: 400;
}

/* ─── DARK SECTION ────────────────────────────────────── */
.dark-section {
  background: var(--clr-dark);
  color: #fff;
  padding: 70px 0 60px;
  border-radius: 60px;
  margin: 0 40px;
}

.dark-section .container {
  padding: 0 100px;
}

.dark-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: start;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
  margin-bottom: 48px;
}

.dark-top__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 12px;
}

.dark-top__heading {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 24px;
}

.dark-top__heading em {
  font-style: normal;
  color: rgba(255, 255, 255, .6);
}

.dark-top__text {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .7);
  max-width: 680px;
}

.dark-top__icons {
  display: flex;
  gap: 36px;
  flex-shrink: 0;
}

.dark-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.dark-icon-item__fig {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, .08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark-icon-item__fig svg {
  width: 36px;
  height: 36px;
  color: rgba(255, 255, 255, .85);
}

.dark-icon-item__label {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, .85);
}

.dark-bottom {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.dark-bottom-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dark-bottom-item__icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, .08);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark-bottom-item__icon svg {
  width: 26px;
  height: 26px;
  color: rgba(255, 255, 255, .8);
}

.dark-bottom-item__text {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, .75);
  font-weight: 500;
}

/* ─── PROBLEMS SECTION ───────────────────────────────── */
.problems-section {
  padding: 80px 0;
}

.problems-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.problems-text h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--clr-gray);
  line-height: 1.3;
  margin-bottom: 20px;
}

.problems-text h2 strong {
  font-weight: 700;
  color: #444;
}

.problems-text p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--clr-gray-light);
  margin-bottom: 32px;
}

.problems-icons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.problems-icons .row-2 {
  grid-column: span 3;
  display: flex;
  justify-content: center;
  gap: 80px;
}

.problem-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
}

.problem-item a {
  text-decoration: none;
}

.problem-item img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  filter: brightness(0) opacity(0.54);
}

.problem-item__label {
  font-size: 12px;
  color: var(--clr-gray-light);
  max-width: 120px;
  line-height: 1.4;
}

/* ─── FABRICAÇÃO BRASILEIRA ───────────────────────────── */
.fab-section {
  background: #ffffff;
  padding: 80px 0;
  text-align: center;
}

.fab-section__sub {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-gray-light);
  margin-bottom: 12px;
}

.fab-section__title {
  font-size: 42px;
  font-weight: 700;
  color: var(--clr-gray);
  margin-bottom: 24px;
  line-height: 1.2;
}

.fab-section__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--clr-gray-light);
  max-width: 680px;
  margin: 0 auto;
}

/* ─── WHATSAPP BTN ───────────────────────────────────── */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, .45);
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}

.whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, .55);
}

.whatsapp-btn svg {
  width: 30px;
  height: 30px;
  color: #fff;
}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 1100px) {
  .container {
    padding: 0 40px;
  }

  .dark-section .container {
    padding: 0 40px;
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .dark-top {
    grid-template-columns: 1fr;
  }

  .dark-top__icons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .problems-inner {
    gap: 48px;
  }
}

@media (max-width: 800px) {
  .header__nav {
    display: none;
  }

  .banner {
    height: 320px;
    margin-top: 70px;
  }

  .banner__slide-content h1 {
    font-size: 28px;
  }

  .banner__slide-content p {
    font-size: 14px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .dark-bottom {
    grid-template-columns: repeat(2, 1fr);
  }

  .problems-inner {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 50px 0;
  }

  .container {
    padding: 0 20px;
  }

  .dark-section {
    margin: 0 20px;
    border-radius: 32px;
  }

  .dark-section .container {
    padding: 0 20px;
  }

  .problems-icons .row-2 {
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .banner {
    height: 240px;
  }

  .banner__btn {
    width: 38px;
    height: 38px;
  }

  .banner__btn--prev {
    left: 12px;
  }

  .banner__btn--next {
    right: 12px;
  }

  .section__title,
  .problems-text h2 {
    font-size: 26px;
  }

  .fab-section__title,
  .dark-top__heading {
    font-size: 30px;
  }

  .cat-card {
    padding: 28px 20px 32px;
  }

  .cat-card__img {
    width: 200px;
    height: 200px;
  }

  .products-grid,
  .products-grid--3 {
    grid-template-columns: 1fr;
  }

  .dark-bottom {
    grid-template-columns: 1fr;
  }

  .dark-bottom-item {
    justify-content: flex-start;
  }

  .problems-icons {
    grid-template-columns: 1fr;
  }

  .problems-icons .row-2 {
    grid-column: auto;
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .problem-item__label {
    max-width: 180px;
  }

  .whatsapp-btn {
    width: 52px;
    height: 52px;
    right: 16px;
    bottom: 16px;
  }

  .whatsapp-btn svg {
    width: 26px;
    height: 26px;
  }
}