:root {
  --bg: #000000;
  --surface: #0c0c0c;
  --surface-2: #141414;
  --surface-3: #1a1a1a;
  --line: #262626;
  --text: #f5f5f3;
  --muted: #9a9a96;
  --concreto: #6e6e6e;
  --gold: #cba968;
  --gold-soft: #8a6a3d;
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1200px;
  --shadow-gold: 0 10px 40px -10px rgba(203, 169, 104, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

.bolt-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

h3 {
  font-size: 1.15rem;
}

h4 {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

p {
  margin: 0 0 1rem;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.875rem;
}

.accent {
  color: var(--gold);
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--gold);
  --btn-fg: #1a1208;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease,
    box-shadow 0.2s ease, border-color 0.2s ease;
  background: var(--btn-bg);
  color: var(--btn-fg);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.btn-primary {
  background: linear-gradient(
    180deg,
    #e8c688 0%,
    var(--gold) 55%,
    #9c7a44 100%
  );
  color: #1a1208;
  box-shadow:
    inset 0 1px 0 rgba(255, 244, 210, 0.55),
    inset 0 -1px 2px rgba(50, 30, 10, 0.4),
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 8px 22px rgba(0, 0, 0, 0.35);
}

.btn-primary:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 244, 210, 0.55),
    inset 0 -1px 2px rgba(50, 30, 10, 0.4),
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 14px 30px rgba(203, 169, 104, 0.28);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: none;
}

.btn-sm {
  padding: 0.6rem 1.1rem;
  font-size: 0.75rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: radial-gradient(
    circle at 30% 30%,
    rgba(203, 169, 104, 0.25),
    transparent 60%
  );
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}

.brand-name {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  letter-spacing: 0.32em;
  font-size: 0.95rem;
}

.brand-tag {
  margin-top: 4px;
  font-size: 0.55rem;
  letter-spacing: 0.32em;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-list {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-list a {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-list a:hover {
  color: var(--text);
}

.nav-list a.btn {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
}

.nav-toggle .bars,
.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transform: translateX(-50%);
  transition: transform 0.25s ease, top 0.25s ease;
}

.nav-toggle .bars {
  top: 50%;
}
.nav-toggle .bars::before {
  top: -6px;
}
.nav-toggle .bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .bars {
  background: transparent;
}
.nav-toggle[aria-expanded="true"] .bars::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .bars::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

/* ---------- Sections ---------- */
section {
  padding-block: 6rem;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

/* ---------- Hero ---------- */
.hero {
  padding-top: 4rem;
  padding-bottom: 4rem;
  position: relative;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 0 0;
  background:
    radial-gradient(50% 40% at 80% 0%, rgba(203, 169, 104, 0.16), transparent 70%),
    radial-gradient(40% 30% at 10% 10%, rgba(203, 169, 104, 0.08), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-copy .lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 44ch;
  margin-block: 1.5rem 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--surface-3);
  border: 1px solid var(--line);
}

.hero-image-art {
  width: 100%;
  height: 100%;
}

.hero-image-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    60% 50% at 70% 30%,
    rgba(203, 169, 104, 0.22),
    transparent 70%
  );
  z-index: 2;
  pointer-events: none;
}

.hero-image-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
  pointer-events: none;
}

.feature-pills {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}

.feature-pills li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
}

.feature-pills li + li {
  border-left: 1px solid var(--line);
  padding-left: 1.2rem;
}

.feature-pills strong {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--text);
}

.feature-pills .pill-sub {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pill-icon {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(203, 169, 104, 0.1);
  color: var(--gold);
  flex-shrink: 0;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.services-head {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-bottom: 0;
}

.services-head .muted {
  margin-top: 1rem;
}

.card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.25s ease, border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(203, 169, 104, 0.4);
  box-shadow: var(--shadow-gold);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--gold);
  background: rgba(203, 169, 104, 0.08);
  border: 1px solid rgba(203, 169, 104, 0.2);
}

.service-card h3 {
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 5 / 4;
}

.about-image svg {
  width: 100%;
  height: 100%;
}

.about-copy h2 {
  margin-bottom: 2rem;
}

.checks {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.checks li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
}

.check {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ---------- Projects / Carousel ---------- */
.projects {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.015), transparent);
}

.carousel {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: 1.25rem;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}

.project-card {
  flex: 0 0 calc((100% - 3 * 1.25rem) / 4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.project-card p {
  padding: 0.85rem 1rem;
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.project-art {
  aspect-ratio: 4 / 3;
  background: var(--surface-3);
  position: relative;
  overflow: hidden;
}

.project-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 30% 80%, rgba(203, 169, 104, 0.25), transparent 70%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5));
}

.project-art-1 {
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%),
    radial-gradient(circle at 70% 30%, #cba96833, transparent 60%);
}
.project-art-2 {
  background: linear-gradient(170deg, #1a1715 0%, #050505 100%);
}
.project-art-3 {
  background: linear-gradient(120deg, #16110a 0%, #050505 100%);
}
.project-art-4 {
  background: linear-gradient(200deg, #1a1a1a 0%, #080808 100%);
}
.project-art-5 {
  background: linear-gradient(150deg, #1c1611 0%, #0a0a0a 100%);
}
.project-art-6 {
  background: linear-gradient(110deg, #14110d 0%, #050505 100%);
}

.carousel-controls {
  display: inline-flex;
  gap: 0.5rem;
}

.carousel-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.carousel-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ---------- CTA ---------- */
.cta {
  padding-block: 5rem;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 2.5rem;
  align-items: center;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.cta h2 {
  margin-bottom: 1rem;
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
  font-size: 0.95rem;
}

.contact-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--gold);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-list .social {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
}

.contact-list .social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  transition: border-color 0.2s, color 0.2s;
}

.contact-list .social a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.cta-emblem {
  align-self: center;
}

/* ---------- Diferenciais ---------- */
.diferenciais {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 4rem;
}

.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
}

.diferenciais-grid article {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dif-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--gold);
  background: rgba(203, 169, 104, 0.08);
  border: 1px solid rgba(203, 169, 104, 0.2);
  margin-bottom: 0.5rem;
}

.diferenciais-grid h3 {
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.diferenciais-grid p {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  padding-top: 4rem;
  padding-bottom: 2rem;
  background: var(--bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.footer-brand .brand {
  margin-bottom: 1rem;
}

.footer-list {
  display: grid;
  gap: 0.6rem;
}

.footer-list a,
.footer-list li {
  color: var(--muted);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-list a:hover {
  color: var(--text);
}

.footer-bottom {
  padding-top: 1.5rem;
  text-align: center;
  color: var(--concreto);
  font-size: 0.8rem;
}

.footer-bottom p {
  margin: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  section {
    padding-block: 4.5rem;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-head {
    grid-column: 1 / -1;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .feature-pills {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-pills li:nth-child(3) {
    border-left: 0;
    padding-left: 0.6rem;
  }
  .project-card {
    flex-basis: calc((100% - 1.25rem) / 2);
  }
  .cta-grid {
    grid-template-columns: 1fr;
    text-align: left;
    padding: 2rem;
  }
  .cta-emblem {
    justify-self: center;
  }
  .diferenciais-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }
  .nav-list {
    position: absolute;
    inset: 64px 16px auto 16px;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem;
    gap: 0.5rem;
    transform-origin: top right;
    transform: scale(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
  }
  .nav-list.is-open {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }
  .nav-list a {
    padding: 0.6rem;
    width: 100%;
  }
  .feature-pills {
    grid-template-columns: 1fr 1fr;
    padding: 1rem;
  }
  .feature-pills li {
    padding: 0.4rem;
    font-size: 0.78rem;
  }
  .feature-pills li:nth-child(odd) {
    border-left: 0;
    padding-left: 0.4rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .project-card {
    flex-basis: 80%;
  }
  .diferenciais-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  h1 br {
    display: none;
  }
  .brand-tag {
    display: none;
  }
}