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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--carbon);
  font-family: var(--font-sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: var(--signal);
  color: var(--white);
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 1rem;
  left: 1rem;
  transform: translateY(-160%);
  background: var(--signal);
  color: var(--white);
  padding: .75rem 1rem;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .69rem;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.eyebrow--light {
  color: var(--signal);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -.05em;
  line-height: 1.02;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.15rem, 7.5vw, 6.8rem);
}

h1 em {
  display: block;
  color: var(--signal);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

h2 {
  max-width: 14ch;
  font-size: clamp(2.25rem, 4.5vw, 4.3rem);
}

h3 {
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: .8rem 1.25rem;
  font-size: .82rem;
  font-weight: 800;
  transition: transform 220ms var(--ease), background 220ms var(--ease), color 220ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
}

.button--small {
  min-height: 2.6rem;
  padding: .65rem 1rem;
  font-size: .74rem;
}

.button--signal {
  background: var(--signal);
  color: var(--white);
}

.button--signal:hover {
  background: var(--signal-dark);
}

.button--dark {
  background: var(--carbon);
  color: var(--white);
}

.button--dark:hover {
  background: var(--signal);
}

.button--ghost {
  border-color: rgba(255,255,255,.25);
  color: var(--white);
}

.button--ghost:hover {
  background: var(--white);
  color: var(--carbon);
}

.button:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(230,83,24,.35);
  outline-offset: 3px;
}

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--line-light);
  background: rgba(244,242,237,.94);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 5rem;
  align-items: center;
  gap: 2rem;
}

.brand img {
  width: 8.2rem;
}

.desktop-nav {
  display: flex;
  gap: 1.4rem;
  margin-left: auto;
}

.desktop-nav a,
.back-link {
  color: #555;
  font-size: .76rem;
  font-weight: 700;
}

.desktop-nav a:hover,
.back-link:hover {
  color: var(--signal);
}

/* Hero */
.catalog-hero {
  position: relative;
  overflow: hidden;
  background: var(--carbon);
  color: var(--white);
  padding: clamp(6rem, 10vw, 9rem) 0 clamp(4.5rem, 8vw, 7rem);
}

.catalog-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.catalog-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  align-items: end;
  gap: clamp(3rem, 8vw, 8rem);
}

.hero-lead {
  max-width: 37rem;
  margin-bottom: 2rem;
  color: rgba(255,255,255,.62);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.hero-price-board {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.035);
  padding: 1.2rem;
}

.hero-price-board > p {
  margin-bottom: .65rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .64rem;
  text-transform: uppercase;
}

.hero-price-board a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line-dark);
  padding: 1rem 0;
}

.hero-price-board a:hover span {
  color: var(--signal);
}

.hero-price-board span {
  font-size: .82rem;
  transition: color 180ms;
}

.hero-price-board strong {
  color: var(--signal);
  font-size: 1.05rem;
}

/* Catalog */
.catalog-section,
.compare-section,
.maintenance-section,
.steps-section,
.faq-section,
.detail-content,
.detail-faq {
  padding-block: var(--section-space);
}

.catalog-heading {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  align-items: end;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.catalog-heading h2 {
  margin-bottom: 0;
}

.catalog-heading > p {
  max-width: 34rem;
  margin: 0;
  color: #5a5a5a;
  font-size: .9rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin-bottom: 2rem;
  border-block: 1px solid var(--line-light);
  padding-block: 1rem;
}

.filter-button {
  min-height: 2.35rem;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-pill);
  background: transparent;
  padding: .55rem .9rem;
  font-size: .7rem;
  font-weight: 800;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--carbon);
  background: var(--carbon);
  color: var(--white);
}

.filter-count {
  margin-left: auto;
  color: var(--mineral);
  font-family: var(--font-mono);
  font-size: .62rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  display: flex;
  min-height: 39rem;
  flex-direction: column;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
  padding: 1.6rem;
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 50px rgba(22,22,22,.08);
}

.product-card[hidden] {
  display: none;
}

.product-card--featured {
  background: var(--signal);
  color: var(--white);
}

.product-card__top {
  display: flex;
  min-height: 2rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.product-category,
.product-badge {
  font-family: var(--font-mono);
  font-size: .58rem;
  text-transform: uppercase;
}

.product-category {
  color: var(--signal);
}

.product-card--featured .product-category {
  color: var(--white);
}

.product-badge {
  border: 1px solid var(--line-light);
  border-radius: var(--radius-pill);
  padding: .3rem .6rem;
  color: var(--mineral);
}

.product-card--featured .product-badge {
  border-color: rgba(255,255,255,.28);
  color: var(--white);
}

.product-card h3 {
  margin-bottom: 1rem;
}

.product-summary {
  min-height: 6.5rem;
  color: #595959;
  font-size: .84rem;
}

.product-card--featured .product-summary {
  color: rgba(255,255,255,.78);
}

.product-features {
  display: grid;
  gap: .65rem;
  margin: 1.1rem 0 2rem;
  padding: 0;
  list-style: none;
}

.product-features li {
  position: relative;
  padding-left: 1.15rem;
  color: #484848;
  font-size: .75rem;
}

.product-features li::before {
  position: absolute;
  top: .55rem;
  left: 0;
  width: .35rem;
  height: .35rem;
  border-radius: 50%;
  background: var(--signal);
  content: "";
}

.product-card--featured .product-features li {
  color: rgba(255,255,255,.78);
}

.product-card--featured .product-features li::before {
  background: var(--white);
}

.product-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: auto;
  border-top: 1px solid var(--line-light);
  padding-top: 1.2rem;
}

.product-card--featured .product-meta {
  border-color: rgba(255,255,255,.25);
}

.product-meta div {
  display: grid;
  gap: .25rem;
}

.product-meta span {
  color: var(--mineral);
  font-family: var(--font-mono);
  font-size: .56rem;
  text-transform: uppercase;
}

.product-card--featured .product-meta span {
  color: rgba(255,255,255,.55);
}

.product-meta strong {
  font-size: 1.2rem;
  line-height: 1.2;
}

.product-meta div:last-child strong {
  font-size: .72rem;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: .8rem;
  margin-top: 1.3rem;
}

.product-card--featured .button--dark {
  background: var(--white);
  color: var(--carbon);
}

.text-link {
  display: flex;
  justify-content: space-between;
  color: var(--signal);
  font-size: .72rem;
  font-weight: 800;
}

.product-card--featured .text-link {
  color: var(--white);
}

/* Compare */
.compare-section {
  background: var(--paper-deep);
}

.section-heading.compact {
  margin-bottom: 2.8rem;
}

.section-heading.compact h2 {
  margin-bottom: 0;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
}

.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  border-bottom: 1px solid var(--line-light);
  padding: 1rem 1.15rem;
  text-align: left;
  font-size: .76rem;
}

.compare-table thead th {
  background: var(--carbon);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: .58rem;
  text-transform: uppercase;
}

.compare-table tbody th {
  font-weight: 800;
}

.compare-table tbody a:hover {
  color: var(--signal);
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

/* Custom */
.custom-section {
  background: var(--carbon);
  color: var(--white);
  padding-block: var(--section-space);
}

.custom-grid,
.contact-grid,
.faq-grid,
.detail-hero__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(3rem, 8vw, 8rem);
}

.custom-grid p:not(.eyebrow) {
  max-width: 42rem;
  color: rgba(255,255,255,.6);
}

.custom-grid .button {
  margin-top: 1rem;
}

/* Maintenance */
.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.maintenance-card {
  min-height: 22rem;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
  padding: 1.6rem;
}

.maintenance-card > span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .6rem;
  text-transform: uppercase;
}

.maintenance-card h3 {
  margin: 3rem 0 .8rem;
}

.maintenance-card > strong {
  color: var(--signal);
  font-size: 1.65rem;
}

.maintenance-card p {
  min-height: 5rem;
  color: #595959;
  font-size: .82rem;
}

.maintenance-card a {
  color: var(--signal);
  font-size: .72rem;
  font-weight: 800;
}

/* Steps */
.steps-section {
  background: var(--paper-deep);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--carbon);
  list-style: none;
}

.steps-grid li {
  min-height: 16rem;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  padding: 1.5rem;
}

.steps-grid li:first-child {
  border-left: 1px solid var(--line-light);
}

.steps-grid span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .65rem;
}

.steps-grid h3 {
  margin: 4rem 0 .8rem;
}

.steps-grid p {
  margin: 0;
  color: #595959;
  font-size: .82rem;
}

/* FAQ */
.faq-list {
  border-top: 1px solid var(--carbon);
}

.faq-item {
  border-bottom: 1px solid var(--line-light);
}

.faq-item button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border: 0;
  background: transparent;
  padding: 1.35rem 0;
  text-align: left;
  font-weight: 800;
}

.faq-item button span {
  color: var(--signal);
  font-size: 1.3rem;
  transition: transform 220ms;
}

.faq-item.is-open button span {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 280ms var(--ease);
}

.faq-answer p {
  min-height: 0;
  overflow: hidden;
  margin: 0;
  color: #555;
  font-size: .84rem;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  padding-bottom: 1.25rem;
}

/* Contact */
.contact-section {
  background: var(--carbon);
  color: var(--white);
  padding-block: var(--section-space);
}

.contact-section h2 {
  max-width: 12ch;
}

.contact-section p:not(.eyebrow, .form-status) {
  max-width: 36rem;
  color: rgba(255,255,255,.58);
}

.instagram-link {
  display: inline-block;
  margin-top: 2rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .72rem;
}

.catalog-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: var(--carbon-soft);
  padding: 1.6rem;
}

.catalog-form label {
  display: grid;
  gap: .5rem;
}

.catalog-form label > span {
  color: rgba(255,255,255,.6);
  font-family: var(--font-mono);
  font-size: .58rem;
  text-transform: uppercase;
}

.full-field {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-sm);
  background: var(--carbon);
  color: var(--white);
  padding: .85rem .95rem;
  font-size: .82rem;
}

input,
select {
  min-height: 3.1rem;
}

textarea {
  resize: vertical;
}

input[readonly] {
  color: var(--neutral);
}

select {
  color-scheme: dark;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  color: rgba(255,255,255,.58);
  font-size: .7rem;
}

/* Footer */
.site-footer {
  background: #0b0b0b;
  color: var(--white);
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  min-height: 7rem;
  align-items: center;
  gap: 2rem;
}

.footer-inner img {
  width: 8rem;
}

.footer-inner p {
  margin: 0;
  color: rgba(255,255,255,.42);
  font-family: Georgia, "Times New Roman", serif;
}

.footer-inner div {
  display: flex;
  gap: 1rem;
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  font-size: .6rem;
}

.footer-inner a:hover {
  color: var(--signal);
}

/* Details */
.detail-hero {
  background: var(--carbon);
  color: var(--white);
  padding-block: clamp(5rem, 9vw, 8rem);
}

.breadcrumb {
  display: flex;
  gap: .55rem;
  margin-bottom: 2.5rem;
  color: rgba(255,255,255,.4);
  font-family: var(--font-mono);
  font-size: .6rem;
}

.breadcrumb a:hover {
  color: var(--signal);
}

.detail-hero h1 {
  max-width: 10ch;
}

.detail-lead {
  max-width: 39rem;
  color: rgba(255,255,255,.64);
  font-size: 1rem;
}

.detail-price {
  display: grid;
  width: fit-content;
  gap: .1rem;
  margin: 2rem 0;
}

.detail-price span,
.detail-price small {
  color: rgba(255,255,255,.42);
  font-family: var(--font-mono);
  font-size: .62rem;
}

.detail-price strong {
  color: var(--signal);
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
}

.answer-card {
  align-self: end;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.04);
  padding: 1.6rem;
}

.answer-card > span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .6rem;
  text-transform: uppercase;
}

.answer-card h2 {
  margin: 2.2rem 0 1rem;
  font-size: 2.2rem;
}

.answer-card > p {
  color: rgba(255,255,255,.62);
  font-size: .84rem;
}

.answer-card dl {
  margin: 2rem 0 0;
}

.answer-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line-dark);
  padding: .8rem 0;
}

.answer-card dt {
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  font-size: .6rem;
}

.answer-card dd {
  margin: 0;
  color: var(--signal);
  font-size: .75rem;
  font-weight: 800;
}

.detail-content {
  background: var(--paper);
}

.detail-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.detail-columns article {
  min-height: 26rem;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
  padding: 1.6rem;
}

.detail-columns h2 {
  margin-bottom: 2.5rem;
  font-size: 2rem;
}

.detail-list {
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  position: relative;
  padding-left: 1.2rem;
  color: #4e4e4e;
  font-size: .8rem;
}

.detail-list li::before {
  position: absolute;
  top: .56rem;
  left: 0;
  width: .34rem;
  height: .34rem;
  border-radius: 50%;
  background: var(--signal);
  content: "";
}

.detail-list--muted li::before {
  background: var(--neutral);
}

.detail-faq {
  background: var(--paper-deep);
}

/* 404 */
.not-found {
  display: grid;
  min-height: 100svh;
  place-items: center;
  background: var(--carbon);
  color: var(--white);
  padding: 2rem;
  text-align: center;
}

.not-found img {
  width: 8rem;
  margin: 0 auto 3rem;
}

.not-found h1 {
  max-width: none;
}

.not-found p {
  color: rgba(255,255,255,.55);
}

/* Responsive */
@media (max-width: 1040px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .catalog-hero__grid,
  .catalog-heading,
  .custom-grid,
  .contact-grid,
  .faq-grid,
  .detail-hero__grid {
    grid-template-columns: 1fr;
  }

  .maintenance-grid,
  .detail-columns {
    grid-template-columns: 1fr 1fr;
  }

  .detail-columns article:last-child {
    grid-column: 1 / -1;
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .desktop-nav {
    display: none;
  }

  .header-inner {
    gap: 1rem;
  }

  .header-inner .button {
    margin-left: auto;
  }

  h1 {
    font-size: clamp(2.75rem, 15vw, 4.8rem);
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .products-grid,
  .maintenance-grid,
  .steps-grid,
  .detail-columns {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: auto;
  }

  .product-summary {
    min-height: auto;
  }

  .filter-count {
    width: 100%;
    margin: .5rem 0 0;
  }

  .steps-grid li {
    border-left: 1px solid var(--line-light);
  }

  .catalog-form {
    grid-template-columns: 1fr;
  }

  .full-field {
    grid-column: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding-block: 2rem;
  }

  .footer-inner div {
    flex-wrap: wrap;
  }

  .back-link {
    display: none;
  }

  .detail-columns article:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}


/* Atendimento oficial pelo WhatsApp */
.whatsapp-float {
  position: fixed;
  z-index: 120;
  right: 1.2rem;
  bottom: 1.2rem;
  display: flex;
  width: 3.5rem;
  height: 3.5rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 12px 28px rgba(7, 27, 15, .28);
  padding: 0;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 46px rgba(0,0,0,.28);
}

.whatsapp-float svg {
  display: none;
}

.whatsapp-float::before {
  width: 1.6rem;
  height: 1.6rem;
  content: "";
  background: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12.04 2.01c-5.5 0-9.96 4.46-9.96 9.96 0 1.76.46 3.48 1.34 4.99L2 22l5.14-1.35a9.95 9.95 0 0 0 4.9 1.28h.01c5.5 0 9.96-4.46 9.96-9.96s-4.46-9.96-9.97-9.96Zm5.79 14.09c-.24.68-1.2 1.25-1.97 1.42-.54.11-1.25.2-3.64-.79-3.05-1.27-5.02-4.39-5.17-4.59-.15-.2-1.24-1.65-1.24-3.15 0-1.5.79-2.24 1.07-2.55.28-.31.62-.38.83-.38.21 0 .42 0 .6.01.19.01.45-.07.7.53.25.6.85 2.08.93 2.23.08.15.13.33.03.53-.1.2-.15.33-.3.5-.15.18-.32.39-.45.52-.15.15-.3.31-.13.61.17.3.75 1.24 1.61 2.01 1.11.99 2.04 1.3 2.33 1.45.29.15.46.13.63-.08.18-.21.73-.85.92-1.14.19-.28.39-.24.66-.14.27.09 1.7.8 1.99.95.29.14.48.21.55.33.07.12.07.7-.17 1.38Z'/%3E%3C/svg%3E");
}

.whatsapp-float span {
  display: none;
}

.whatsapp-official {
  display: grid;
  gap: .15rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: .68rem;
}

.whatsapp-official span {
  color: rgba(255,255,255,.45);
}

.whatsapp-official a {
  color: #25d366;
  font-weight: 700;
}

@media (max-width: 560px) {
  .whatsapp-float {
    right: .8rem;
    bottom: .8rem;
  }
}