:root {
  --luxury-dark: #0f0f0f;
  --luxury-gray: #1a1a1a;
  --luxury-panel: rgba(255, 255, 255, 0.03);
  --luxury-gold: #c5a059;
  --luxury-gold-soft: #e2c999;
  --luxury-border: rgba(197, 160, 89, 0.25);
  --text: #f3f3f3;
  --muted: #b9b9b9;
  --radius: 18px;
  --shadow: 0 16px 35px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--luxury-dark);
  color: var(--text);
  font-family: "Inter", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "Playfair Display", serif;
  line-height: 1.16;
}

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

img {
  width: 100%;
  display: block;
}

.container {
  width: min(1160px, 92vw);
  margin-inline: auto;
}

.section {
  padding: 96px 0;
}

.section-anchor {
  scroll-margin-top: 92px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 15, 15, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-content {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.5rem, 2vw, 1.9rem);
  font-weight: 700;
  color: var(--luxury-gold-soft);
}

.menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu a {
  color: #d2d2d2;
  font-size: 0.93rem;
  transition: color 0.3s ease;
}

.menu a:hover {
  color: var(--luxury-gold);
}

.hero {
  min-height: 100vh;
  padding-top: 120px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  background-image: url("https://images.unsplash.com/photo-1616486338812-3dadae4b4ace?auto=format&fit=crop&w=1800&q=80");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.66) 0%, rgba(0, 0, 0, 0.54) 44%, rgba(0, 0, 0, 0.72) 100%),
    radial-gradient(circle at 72% 18%, rgba(197, 160, 89, 0.23), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.17em;
  color: var(--luxury-gold);
  font-weight: 500;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.3rem, 6vw, 4.5rem);
  margin-bottom: 1.1rem;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
}

h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
}

.gold-gradient-text {
  background: linear-gradient(90deg, var(--luxury-gold), var(--luxury-gold-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  color: #d5d5d5;
  max-width: 66ch;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  min-height: 48px;
  padding: 0.82rem 1.55rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: transform 0.3s ease, filter 0.3s ease, border-color 0.3s ease;
}

.gold-button {
  background: linear-gradient(90deg, var(--luxury-gold), var(--luxury-gold-soft));
  color: #111;
}

.gold-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #ececec;
}

.btn-outline:hover {
  border-color: var(--luxury-gold);
  transform: translateY(-2px);
}

.hero-whatsapp {
  margin-top: 1.35rem;
  color: #b4b4b4;
  font-size: 0.95rem;
}

.hero-whatsapp a {
  color: #fff;
  font-weight: 600;
}

.section-heading {
  margin-bottom: 1.9rem;
}

.section-heading h2 {
  max-width: 18ch;
}

.services {
  background: var(--luxury-dark);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.service-card {
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(197, 160, 89, 0.28);
  border-radius: var(--radius);
  padding: 1.5rem;
  min-height: 186px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
  transition: border-color 0.3s ease, background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  border-color: var(--luxury-gold);
  background: rgba(197, 160, 89, 0.11);
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}

.service-card p {
  margin-top: 0.7rem;
  color: var(--muted);
}

.about {
  background: var(--luxury-gray);
}

.about-grid {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  gap: 1rem;
  align-items: stretch;
}

.about-copy p {
  color: #cfcfcf;
}

.about-copy p + p {
  margin-top: 0.95rem;
}

.about-copy h2 {
  margin-bottom: 1.1rem;
}

.about-image-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 380px;
  box-shadow: var(--shadow);
}

.about-image-wrap img {
  height: 100%;
  object-fit: cover;
}

.differential-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.differential-card ul {
  list-style: none;
  margin-top: 0.85rem;
}

.differential-card li {
  position: relative;
  padding-left: 1.1rem;
  color: #d7d7d7;
  margin-bottom: 0.5rem;
}

.differential-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--luxury-gold);
}

.portfolio {
  background: var(--luxury-dark);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  isolation: isolate;
  background: linear-gradient(145deg, #27201a, #171719);
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.06);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.15rem;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.78));
  z-index: 2;
}

.portfolio-overlay h3 {
  font-size: 1.28rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55);
}

.certifications {
  background: linear-gradient(180deg, #141414, #0f0f0f);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.cert-norms {
  margin-bottom: 1rem;
}

.cert-norms h3 {
  margin-bottom: 0.55rem;
}

.norms-intro {
  color: #cecece;
  margin-bottom: 0.75rem;
}

.norms-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.norms-list li {
  color: #dedede;
  font-size: 0.94rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(197, 160, 89, 0.08), rgba(255, 255, 255, 0.015));
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
}

.cert-card h3 {
  color: #fff;
}

.cert-cta {
  border-color: rgba(197, 160, 89, 0.5);
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.contact-number {
  color: var(--luxury-gold-soft);
  font-weight: 600;
  margin-top: 0.15rem;
}

.site-footer {
  background: #060606;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 44px 0;
}

.site-footer h2 {
  font-size: 1.3rem;
}

.site-footer p {
  color: #9f9f9f;
  font-size: 0.92rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-menu a {
  color: #c9c9c9;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-menu a:hover {
  color: var(--luxury-gold);
}

.whatsapp-fixed {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  font-size: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-fixed:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.35);
}

.whatsapp-fixed svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

@media (max-width: 1080px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-copy {
    grid-column: span 2;
  }

  .cert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .norms-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .cards-grid,
  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .menu {
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }
}

@media (max-width: 660px) {
  .header-content {
    min-height: auto;
    padding: 0.8rem 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 170px;
    min-height: auto;
    padding-bottom: 86px;
  }

  .section {
    padding: 76px 0;
  }

  .cards-grid,
  .portfolio-grid,
  .cert-grid,
  .about-grid,
  .norms-list {
    grid-template-columns: 1fr;
  }

  .about-copy {
    grid-column: auto;
  }

  .about-image-wrap {
    min-height: 280px;
  }

  .footer-content {
    flex-direction: column;
  }
}