@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@700;800;900&family=Work+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --charcoal: #1b1815;
  --charcoal-soft: #251f1a;
  --charcoal-line: #3a332c;
  --porcelain: #f3eee4;
  --porcelain-dim: #e8dfd0;
  --porcelain-line: #d9cdb8;
  --limestone: #b9ac94;
  --brass: #c9a45e;
  --brass-bright: #e4c07f;
  --brass-deep: #8c6b36;
  --petrol: #2c4a47;
  --petrol-soft: #3b5d59;
  --whats: #23673f;
  --whats-bright: #2f9457;
  --ink: #171310;

  --font-display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --font-body: 'Work Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --fs-hero: clamp(2.9rem, 9vw, 6.6rem);
  --fs-h2: clamp(2.1rem, 5.2vw, 3.4rem);
  --fs-h3: clamp(1.3rem, 2.6vw, 1.7rem);
  --fs-lead: clamp(1.05rem, 2vw, 1.3rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-label: 0.75rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
  --space-8: 4.5rem;
  --space-12: 7rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --container: 1200px;
  --edge: clamp(1.25rem, 5vw, 3rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.25s;
  --dur-med: 0.6s;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--porcelain);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--brass-bright);
  outline-offset: 3px;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: '';
  width: 1.4em;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: var(--space-3);
  transition: background-color var(--dur-fast) var(--ease-out), padding-block var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.site-header.is-scrolled {
  background: rgba(27, 24, 21, 0.92);
  backdrop-filter: blur(10px);
  padding-block: var(--space-1);
  border-bottom-color: var(--charcoal-line);
}
.site-header .logo { font-size: clamp(1.8rem, 1.4rem + 1.8vw, 2.3rem); }
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  color: var(--porcelain);
  line-height: 1;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.logo small {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--limestone);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
  padding: 0.85em 1.5em;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.btn svg { width: 1.15em; height: 1.15em; flex-shrink: 0; }
.btn-whats {
  background: var(--whats);
  color: var(--porcelain);
}
.btn-whats:hover { background: var(--whats-bright); transform: translateY(-2px); }
.btn-whats:active { transform: translateY(0); }
.btn-ghost {
  border: 1px solid var(--charcoal-line);
  color: var(--porcelain);
}
.btn-ghost:hover { border-color: var(--brass); color: var(--brass-bright); }
.btn-sm { padding: 0.6em 1.1em; font-size: 0.85rem; }

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--charcoal);
  overflow: hidden;
}
.atmosphere__image {
  position: absolute;
  inset: -6%;
  background-image:
    linear-gradient(180deg, rgba(27,24,21,0.35) 0%, rgba(27,24,21,0.78) 68%, var(--charcoal) 100%),
    url('assets/atmosfera-pedra-calcaria.jpg');
  background-size: cover;
  background-position: center;
  filter: saturate(0.85) blur(var(--atm-blur, 0px));
  opacity: var(--atm-opacity, 1);
  transform: scale(var(--atm-scale, 1));
}
@media (prefers-reduced-motion: reduce) {
  .atmosphere__image { opacity: 0.6; transform: none; filter: saturate(0.85); }
}

.hero-gem {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: var(--atm-opacity, 1);
}
@media (max-width: 900px) {
  .hero-gem { opacity: calc(var(--atm-opacity, 1) * 0.55); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-gem { display: none; }
}

.hero {
  background: transparent;
  color: var(--porcelain);
  padding-block: clamp(7rem, 18vh, 9rem) var(--space-8);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 60%, var(--charcoal) 100%),
    repeating-linear-gradient(90deg, rgba(243,238,228,0.035) 0 1px, transparent 1px 120px);
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
}
.hero-copy { max-width: 46rem; }
.hero-copy .eyebrow { color: var(--brass-bright); margin-bottom: var(--space-3); }
.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-hero);
  line-height: 0.92;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
}
.hero-title-line { display: block; overflow: hidden; }
.hero-title em {
  font-style: normal;
  color: var(--brass-bright);
}
.hero-lead {
  font-size: var(--fs-lead);
  color: var(--porcelain-dim);
  max-width: 38rem;
  margin-bottom: var(--space-4);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}
.hero-phone {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--limestone);
}

.hero-carousel { position: relative; }
.carousel-track {
  display: flex;
  width: 100%;
  height: clamp(320px, 42vw, 560px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.55);
  border: 1px solid var(--charcoal-line);
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-slide {
  position: relative;
  flex: 0 0 100%;
  scroll-snap-align: start;
  overflow: hidden;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.carousel-caption {
  position: absolute;
  left: var(--space-2);
  bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5em 1em;
  border-radius: 999px;
  background: rgba(27,24,21,0.6);
  color: var(--porcelain);
  backdrop-filter: blur(4px);
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(27,24,21,0.55);
  color: var(--porcelain);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: background-color var(--dur-fast) var(--ease-out);
  z-index: 2;
}
.carousel-arrow:hover { background: var(--brass-deep); }
.carousel-arrow svg { width: 20px; height: 20px; }
.carousel-arrow--prev { left: var(--space-2); }
.carousel-arrow--next { right: var(--space-2); }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  margin-top: var(--space-3);
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--charcoal-line);
  transition: background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.carousel-dot[aria-selected="true"] {
  background: var(--brass-bright);
  transform: scale(1.35);
}

.trust-strip {
  background: transparent;
  border-top: 1px solid var(--charcoal-line);
  border-bottom: 1px solid var(--charcoal-line);
}
.trust-strip ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-block: var(--space-3);
  justify-content: center;
}
.trust-strip li {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--porcelain-dim);
  letter-spacing: 0.02em;
}
.trust-strip svg { width: 1.1em; height: 1.1em; color: var(--brass); }

.section {
  padding-block: var(--space-12);
}
.section-dark { background: var(--charcoal); color: var(--porcelain); }
.section-light { background: var(--porcelain); color: var(--ink); }
.section-petrol { background: var(--petrol); color: var(--porcelain); }

.section-head {
  max-width: 40rem;
  margin-bottom: var(--space-6);
}
.section-head--wide { max-width: 100%; }
.section-head .eyebrow { margin-bottom: var(--space-2); }
.section-dark .eyebrow, .section-petrol .eyebrow { color: var(--brass-bright); }
.section-light .eyebrow { color: var(--brass-deep); }
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-h2);
  text-transform: uppercase;
  line-height: 0.98;
  letter-spacing: -0.005em;
}
.section-desc {
  margin-top: var(--space-2);
  font-size: var(--fs-lead);
  opacity: 0.85;
  max-width: 34rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-hero-anim] { opacity: 0; }
.no-js [data-hero-anim],
.reduce-motion [data-hero-anim] { opacity: 1; }

.services-section { position: relative; overflow: hidden; color: var(--porcelain); }
.services-section .container { position: relative; z-index: 1; }
.services-section .eyebrow { color: var(--brass-bright); }
.services-section .section-desc { color: var(--porcelain-dim); }
.services-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.services-bg__layer {
  position: absolute;
  inset: -4% -4%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  will-change: opacity, transform;
}
.services-bg__layer:first-child { opacity: 1; }
.services-bg__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    var(--charcoal) 0%,
    rgba(27, 24, 21, 0.86) 14%,
    rgba(27, 24, 21, 0.78) 50%,
    rgba(27, 24, 21, 0.86) 86%,
    var(--charcoal) 100%
  );
}
@media (prefers-reduced-motion: reduce) {
  .services-bg__layer { transition: none; }
}

.services-marquee {
  position: relative;
  z-index: 1;
  transform: rotate(-1.2deg) scale(1.03);
  background: var(--charcoal);
  border-block: 1px solid var(--charcoal-line);
  overflow: hidden;
  white-space: nowrap;
  margin-block: var(--space-6);
  padding-block: 0.85em;
  display: flex;
}
.services-marquee__track {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding-inline-end: 2ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--porcelain);
  will-change: transform;
}
.services-marquee__track span { padding-inline: 0.5ch; }
.services-marquee__dot { color: var(--brass); font-size: 0.6em; vertical-align: middle; }
@media (prefers-reduced-motion: reduce) {
  .services-marquee__track { transform: none !important; }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.service-card {
  position: relative;
  background: var(--charcoal);
  color: var(--porcelain);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  overflow: hidden;
  border: 1px solid var(--charcoal-line);
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(201,164,94,0.22) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 0.7s var(--ease-out);
  pointer-events: none;
}
.service-card:hover::after,
.service-card:focus-within::after { transform: translateX(130%); }
.service-card--feature {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-4);
  background: linear-gradient(155deg, var(--charcoal) 0%, var(--petrol) 140%);
}
.service-card--wide { grid-column: 1 / -1; }
.service-icon {
  width: 44px;
  height: 44px;
  color: var(--brass-bright);
  margin-bottom: var(--space-3);
}
.service-card--feature .service-icon { width: 52px; height: 52px; }
.service-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h3);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}
.service-text {
  color: var(--porcelain-dim);
  font-size: 0.95rem;
}
.service-card--wide { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-4); align-items: center; }
.service-card--wide .service-icon { margin-bottom: 0; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: var(--space-4);
  border-top: 1px solid var(--charcoal-line);
}
.step::before {
  counter-increment: step;
  content: '0' counter(step);
  position: absolute;
  top: -0.15em;
  left: 0;
  transform: translateY(-100%);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--brass-bright);
  letter-spacing: 0.1em;
}
.step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.step-text { color: var(--porcelain-dim); font-size: 0.95rem; }

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.fact {
  padding: var(--space-3) 0 0;
  border-top: 2px solid var(--brass-deep);
}
.fact-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.fact-text { font-size: 0.9rem; opacity: 0.75; }

.cta-final {
  text-align: center;
}
.cta-final .section-title { max-width: none; }
.cta-final-lead {
  max-width: 34rem;
  margin: var(--space-2) auto var(--space-4);
  font-size: var(--fs-lead);
  color: var(--porcelain-dim);
}
.cta-final .hero-phone { display: block; margin-top: var(--space-3); }
.cta-final .btn { font-size: 1.05rem; padding: 1em 2em; }
.cta-final .hero-actions { justify-content: center; }

.site-footer {
  background: var(--charcoal-soft);
  color: var(--limestone);
  padding-block: var(--space-6);
  border-top: 1px solid var(--charcoal-line);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
}
.footer-brand .logo { margin-bottom: 0.4rem; }
.footer-brand p { font-size: 0.85rem; max-width: 26rem; }
.footer-contact { font-family: var(--font-mono); font-size: 0.85rem; display: flex; flex-direction: column; gap: 0.4rem; }
.footer-contact a:hover { color: var(--brass-bright); }
.footer-bottom {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--charcoal-line);
  font-size: 0.75rem;
  opacity: 0.6;
}

.float-whats {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 90;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--whats);
  color: var(--porcelain);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast);
}
.float-whats.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.float-whats:hover { background: var(--whats-bright); }
.float-whats svg { width: 26px; height: 26px; }
.float-whats::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--whats-bright);
  animation: pulse-ring 3.2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.7; }
  80% { transform: scale(1.45); opacity: 0; }
  100% { transform: scale(1.45); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .float-whats::before { display: none; }
  .carousel-track { scroll-behavior: auto; }
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--feature { grid-template-columns: 1fr; }
  .service-card--wide { grid-template-columns: 1fr; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
  .service-card--feature { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: var(--space-6); }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding-block: 6.5rem var(--space-6); }
  .carousel-track { height: auto; aspect-ratio: 4 / 5; }
  .carousel-arrow { width: 38px; height: 38px; }
  .site-header .logo small { display: none; }
  .btn span.btn-label-long { display: none; }
}