/* ============================================
   NERA BANYO — Premium Corporate Stylesheet
   ============================================ */

:root {
  --white: #ffffff;
  --off-white: #f7f4f0;
  --beige: #c9b8a3;
  --beige-light: #e6ddd2;
  --wood: #9a7350;
  --wood-dark: #6e4f35;
  --anthracite: #161616;
  --anthracite-soft: #2a2a2a;
  --anthracite-mid: #3d3d3d;
  --gold: #b8956c;
  --gold-light: #d4af7a;
  --gold-dark: #8f6f45;
  --text: #2a2724;
  --text-muted: #6e6760;
  --border: rgba(22, 22, 22, 0.08);
  --shadow: 0 12px 40px rgba(22, 22, 22, 0.08);
  --shadow-lg: 0 24px 60px rgba(22, 22, 22, 0.12);
  --radius: 4px;
  --radius-lg: 8px;
  --header-h: 80px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --container: 1200px;
  --wa: #25d366;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--anthracite);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--anthracite);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--gold);
  color: var(--anthracite);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: var(--white);
  background: transparent;
}

.btn-outline:hover {
  background: var(--white);
  color: var(--anthracite);
  border-color: var(--white);
}

.btn-outline-dark {
  border: 1px solid var(--anthracite);
  color: var(--anthracite);
}

.btn-outline-dark:hover {
  background: var(--anthracite);
  color: var(--white);
}

.btn-gold {
  background: var(--gold);
  color: var(--anthracite);
}

.btn-gold:hover {
  background: var(--gold-dark);
  color: var(--white);
}

.btn-whatsapp {
  background: var(--wa);
  color: var(--white);
}

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

.btn-sm {
  padding: 0.7rem 1.3rem;
  font-size: 0.75rem;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-dark);
}

.btn-link:hover {
  color: var(--anthracite);
}

.btn-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.btn-link:hover svg {
  transform: translateX(4px);
}

/* ---------- Header / Navbar ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}

.site-header.is-scrolled,
.site-header.page-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.site-header.is-scrolled {
  height: 70px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.logo img {
  height: 42px;
  width: auto;
  transition: opacity var(--transition);
}

.site-header:not(.is-scrolled):not(.page-header) .logo-dark {
  display: none;
}

.site-header.is-scrolled .logo-light,
.site-header.page-header .logo-light {
  display: none;
}

.site-header:not(.is-scrolled):not(.page-header) .logo-light {
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
  color: var(--white);
}

.site-header.is-scrolled .nav-menu a,
.site-header.page-header .nav-menu a {
  color: var(--anthracite);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--gold);
}

.nav-cta {
  margin-left: 0.5rem;
}

.site-header:not(.is-scrolled):not(.page-header) .nav-cta .btn-primary {
  background: var(--gold);
  color: var(--anthracite);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  z-index: 1001;
  padding: 4px 0;
}

.hamburger span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--white);
  transition: all var(--transition);
  transform-origin: center;
}

.site-header.is-scrolled .hamburger span,
.site-header.page-header .hamburger span {
  background: var(--anthracite);
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero Slider ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  max-height: 920px;
  overflow: hidden;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide .slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 7s ease-out;
}

.hero-slide.active .slide-bg {
  transform: scale(1);
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(22, 22, 22, 0.72) 0%,
    rgba(22, 22, 22, 0.45) 45%,
    rgba(22, 22, 22, 0.25) 100%
  );
  z-index: 1;
}

.slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}

.slide-content .container {
  max-width: 720px;
  margin-left: max(1.25rem, calc((100% - var(--container)) / 2));
  margin-right: auto;
}

.slide-eyebrow {
  display: inline-block;
  color: var(--gold-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(24px);
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(24px);
}

.slide-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 480px;
  margin-bottom: 2.25rem;
  opacity: 0;
  transform: translateY(24px);
}

.slide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  opacity: 0;
  transform: translateY(24px);
}

.hero-slide.active .slide-eyebrow,
.hero-slide.active .slide-title,
.hero-slide.active .slide-desc,
.hero-slide.active .slide-actions {
  animation: slideUpFade 0.9s ease forwards;
}

.hero-slide.active .slide-title {
  animation-delay: 0.15s;
}

.hero-slide.active .slide-desc {
  animation-delay: 0.3s;
}

.hero-slide.active .slide-actions {
  animation-delay: 0.45s;
}

@keyframes slideUpFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-controls {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
  z-index: 5;
}

.hero-controls .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-arrows {
  display: flex;
  gap: 0.75rem;
}

.hero-arrow {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: all var(--transition);
}

.hero-arrow:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--anthracite);
}

.hero-arrow svg {
  width: 18px;
  height: 18px;
}

.hero-dots {
  display: flex;
  gap: 0.6rem;
}

.hero-dot {
  width: 28px;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
  transition: all var(--transition);
}

.hero-dot.active {
  background: var(--gold);
  width: 48px;
}

/* ---------- About ---------- */
.about {
  background: var(--off-white);
}

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

.about-image {
  position: relative;
}

.about-image-main {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
  border-radius: var(--radius);
}

.about-image-accent {
  position: absolute;
  right: -1.5rem;
  bottom: -1.5rem;
  width: 45%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 8px solid var(--off-white);
  border-radius: var(--radius);
}

.about-image::before {
  content: "";
  position: absolute;
  top: -1rem;
  left: -1rem;
  width: 40%;
  height: 40%;
  border: 1px solid var(--gold);
  z-index: -1;
  border-radius: var(--radius);
}

.about-content .section-eyebrow {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
}

.about-lead {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.about-text {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.mvp-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.mvp-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  align-items: start;
}

.mvp-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--beige);
  color: var(--gold-dark);
  border-radius: var(--radius);
}

.mvp-icon svg {
  width: 22px;
  height: 22px;
}

.mvp-item h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--anthracite);
}

.mvp-item p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.stat-card {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 500;
  color: var(--gold-dark);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Products ---------- */
.products-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.65rem 1.25rem;
  font-size: 0.78rem;
  font-weight: 550;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--anthracite);
  color: var(--white);
  border-color: var(--anthracite);
}

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

.product-card {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.product-card.is-hidden {
  display: none;
}

.product-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  background: var(--beige-light);
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.product-card:hover .product-card-media img {
  transform: scale(1.06);
}

.product-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(22, 22, 22, 0.45);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-category {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 550;
  color: var(--anthracite);
  margin-bottom: 0.5rem;
}

.product-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.product-price {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--wood-dark);
  margin-bottom: 1rem;
}

.product-price span {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

/* ---------- Services ---------- */
.services {
  background: var(--anthracite);
  color: var(--white);
}

.services .section-title {
  color: var(--white);
}

.services .section-desc {
  color: rgba(255, 255, 255, 0.65);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.service-card {
  padding: 2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: var(--gold);
  background: rgba(184, 149, 108, 0.08);
  transform: translateY(-6px);
}

.service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(184, 149, 108, 0.4);
  color: var(--gold-light);
  margin-bottom: 1.5rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gold);
  color: var(--anthracite);
  border-color: var(--gold);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 550;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1.5rem;
  flex: 1;
}

.service-card .btn-link {
  color: var(--gold-light);
}

.service-card .btn-link:hover {
  color: var(--white);
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: linear-gradient(180deg, var(--off-white) 0%, var(--beige-light) 100%);
  overflow: hidden;
}

.testimonials-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 1rem;
  text-align: center;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-text {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--anthracite);
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}

.testimonial-author h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--anthracite);
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.testimonial-nav button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--beige);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--anthracite);
  transition: all var(--transition);
}

.testimonial-nav button:hover {
  background: var(--anthracite);
  color: var(--white);
  border-color: var(--anthracite);
}

.testimonial-nav svg {
  width: 16px;
  height: 16px;
}

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card-media {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  background: var(--beige-light);
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.05);
}

.blog-date {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 0.5rem;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 550;
  line-height: 1.3;
  color: var(--anthracite);
  margin-bottom: 0.75rem;
  transition: color var(--transition);
}

.blog-card:hover h3 {
  color: var(--gold-dark);
}

.blog-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
}

.contact-info-list {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.contact-info-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  align-items: start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--white);
  border: 1px solid var(--beige);
  color: var(--gold-dark);
  border-radius: var(--radius);
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-item h4 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  color: var(--anthracite);
}

.contact-info-item p,
.contact-info-item a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-info-item a:hover {
  color: var(--gold-dark);
}

.map-placeholder {
  margin-top: 2rem;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(184, 149, 108, 0.15), rgba(154, 115, 80, 0.1)),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(22, 22, 22, 0.02) 20px,
      rgba(22, 22, 22, 0.02) 40px
    ),
    var(--beige-light);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
}

.map-placeholder svg {
  width: 36px;
  height: 36px;
  color: var(--gold);
  margin: 0 auto 0.75rem;
}

.contact-form-wrap {
  background: var(--white);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.contact-form-wrap h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 550;
  margin-bottom: 0.5rem;
  color: var(--anthracite);
}

.contact-form-wrap > p {
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  font-size: 0.95rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
  color: var(--anthracite-mid);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--off-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184, 149, 108, 0.15);
  background: var(--white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-message {
  display: none;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.form-message.success {
  display: block;
  background: rgba(37, 211, 102, 0.1);
  color: #0d7a3a;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.form-message.error {
  display: block;
  background: rgba(180, 50, 50, 0.08);
  color: #a02828;
  border: 1px solid rgba(180, 50, 50, 0.2);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--anthracite);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 4.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  margin: 1.25rem 0 1.5rem;
  font-size: 0.95rem;
  max-width: 320px;
  line-height: 1.7;
}

.footer-brand .logo img {
  height: 40px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a,
.social-float a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--white);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--anthracite);
}

.footer-social svg,
.social-float svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 550;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: grid;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.92rem;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--gold);
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a:hover {
  color: var(--gold-light);
}

/* ---------- Floating Social ---------- */
.social-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-float a {
  width: 52px;
  height: 52px;
  box-shadow: var(--shadow-lg);
  animation: floatPulse 2.5s ease-in-out infinite;
}

.social-float .float-mail {
  background: var(--anthracite);
  border-color: var(--anthracite);
  color: var(--white);
}

.social-float .float-ig {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-color: transparent;
  animation-delay: 0.4s;
}

.social-float a:hover {
  transform: scale(1.1) translateY(-2px);
}

@keyframes floatPulse {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}
.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding: calc(var(--header-h) + 4rem) 0 4rem;
  background:
    linear-gradient(135deg, rgba(22, 22, 22, 0.82), rgba(22, 22, 22, 0.55)),
    url("../images/page-hero.jpg") center / cover;
  color: var(--white);
  text-align: center;
}

.page-hero .breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1rem;
}

.page-hero .breadcrumb a:hover {
  color: var(--gold-light);
}

.page-hero .breadcrumb span {
  color: var(--gold-light);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 500;
}

/* ---------- Product Detail ---------- */
.product-detail {
  padding: 4rem 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.product-gallery-main {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--beige-light);
  margin-bottom: 1rem;
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.product-gallery-thumbs button {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  border: 2px solid transparent;
  opacity: 0.7;
  transition: all var(--transition);
}

.product-gallery-thumbs button.active,
.product-gallery-thumbs button:hover {
  border-color: var(--gold);
  opacity: 1;
}

.product-gallery-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-info .category {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.product-detail-info h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 500;
  color: var(--anthracite);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.product-detail-price {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--wood-dark);
  margin-bottom: 1.5rem;
}

.product-detail-desc {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.detail-block {
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.detail-block h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  color: var(--anthracite);
}

.spec-list {
  display: grid;
  gap: 0.65rem;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.92rem;
  padding: 0.4rem 0;
}

.spec-list li span:first-child {
  color: var(--text-muted);
}

.spec-list li span:last-child {
  font-weight: 550;
  color: var(--anthracite);
  text-align: right;
}

.color-options {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--border);
  cursor: pointer;
  transition: transform var(--transition);
}

.color-swatch:hover,
.color-swatch.active {
  transform: scale(1.15);
  box-shadow: 0 0 0 2px var(--gold);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.related-section {
  padding: 4rem 0 5rem;
  background: var(--off-white);
}

/* ---------- Service Detail ---------- */
.service-detail {
  padding: 4rem 0;
}

.service-detail-hero-img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 3rem;
}

.service-detail-content {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3.5rem;
}

.service-detail-main h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 550;
  margin: 2rem 0 1rem;
  color: var(--anthracite);
}

.service-detail-main p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.process-steps {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.process-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  align-items: start;
}

.process-num {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--anthracite);
  color: var(--gold-light);
  font-family: var(--font-display);
  font-size: 1.25rem;
  border-radius: var(--radius);
}

.process-step h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  color: var(--anthracite);
}

.process-step p {
  font-size: 0.92rem;
  margin: 0;
}

.advantages-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 2rem;
}

.advantages-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: var(--text-muted);
}

.advantages-list svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}

.service-cta-box {
  background: var(--anthracite);
  color: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}

.service-cta-box h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.service-cta-box p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

.service-cta-box .btn {
  width: 100%;
  margin-bottom: 0.75rem;
}

.service-info-box {
  background: var(--off-white);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.service-info-box h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--anthracite);
}

.service-info-box li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.service-info-box li:last-child {
  border-bottom: none;
}

/* ---------- Blog Detail ---------- */
.blog-detail {
  padding: 4rem 0 5rem;
}

.blog-detail-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.blog-detail-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

.blog-detail-meta span {
  color: var(--gold-dark);
}

.blog-detail h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--anthracite);
  margin-bottom: 2rem;
}

.blog-detail-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 2.5rem;
}

.blog-detail-body {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.85;
}

.blog-detail-body h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 550;
  margin: 2.5rem 0 1rem;
  color: var(--anthracite);
}

.blog-detail-body p {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.blog-detail-body ul {
  margin: 1rem 0 1.5rem 1.25rem;
  list-style: disc;
  color: var(--text-muted);
}

.blog-detail-body li {
  margin-bottom: 0.5rem;
}

.blog-share {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.blog-share span {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  left: 1.25rem;
  bottom: 1.25rem;
  z-index: 900;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--anthracite);
  color: var(--white);
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  box-shadow: var(--shadow);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gold);
  color: var(--anthracite);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    background: var(--anthracite);
    flex-direction: column;
    justify-content: center;
    gap: 1.75rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav-menu a {
    color: var(--white) !important;
    font-size: 1.1rem;
  }

  .nav-cta {
    margin: 1rem 0 0;
  }

  .about-grid,
  .contact-grid,
  .product-detail-grid,
  .service-detail-content,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image-accent {
    right: 0;
    bottom: -1rem;
  }

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

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

  .service-sidebar {
    position: static;
  }

  .service-detail-hero-img {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 70px;
  }

  .products-grid,
  .blog-grid,
  .services-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .slide-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .slide-actions .btn {
    width: 100%;
  }

  .hero {
    min-height: 560px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .product-actions {
    flex-direction: column;
  }

  .product-actions .btn {
    width: 100%;
  }

  .social-float {
    right: 0.85rem;
    bottom: 0.85rem;
  }

  .social-float a {
    width: 46px;
    height: 46px;
  }
}

/* Page load fade */
body.page-transition {
  animation: pageIn 0.5s ease;
}

@keyframes pageIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}