:root {
  --ink: #17120d;
  --muted: #6f655d;
  --paper: #fbf8f2;
  --soft: #efe7da;
  --walnut: #7a3f16;
  --walnut-dark: #47230f;
  --gold: #c9923b;
  --green: #007a3d;
  --red: #c5162e;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(43, 25, 12, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "Nirmala UI", "Noto Sans Bengali", system-ui, sans-serif;
  line-height: 1.5;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(20, 12, 6, 0.82), rgba(20, 12, 6, 0.34));
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 3px solid var(--white);
  border-radius: 50%;
  color: var(--green);
  background: var(--white);
  font-weight: 900;
  box-shadow: inset 0 0 0 4px rgba(197, 22, 46, 0.16);
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  min-height: 42px;
  padding: 11px 15px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.94rem;
  font-weight: 650;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  outline: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 6px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  z-index: -2;
  object-fit: cover;
  object-position: center 42%;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(20, 10, 4, 0.82), rgba(20, 10, 4, 0.36) 48%, rgba(20, 10, 4, 0.14)),
    linear-gradient(0deg, rgba(20, 10, 4, 0.68), rgba(20, 10, 4, 0.04) 42%);
}

.hero-content {
  width: min(760px, calc(100% - 36px));
  margin: 0 auto;
  padding: 150px 0 148px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.showroom h2,
.contact-section h2 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3.1rem, 8vw, 6.9rem);
}

.hero p:not(.eyebrow) {
  max-width: 660px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover,
.btn:focus-visible,
.portfolio-item:hover {
  transform: translateY(-2px);
}

.btn:focus-visible,
.filter-btn:focus-visible,
.portfolio-item:focus-visible,
.menu-toggle:focus-visible,
.lightbox-close:focus-visible {
  outline: 3px solid rgba(201, 146, 59, 0.42);
  outline-offset: 3px;
}

.btn.primary {
  color: var(--white);
  background: var(--green);
  box-shadow: 0 14px 28px rgba(0, 94, 47, 0.28);
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.12);
}

.hero-strip {
  position: absolute;
  right: clamp(18px, 4vw, 56px);
  bottom: 26px;
  left: clamp(18px, 4vw, 56px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
}

.hero-strip span {
  min-height: 54px;
  display: grid;
  place-items: center;
  padding: 12px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(20, 10, 4, 0.28);
  font-weight: 750;
  text-align: center;
}

.section,
.section-band {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 4vw, 56px);
}

.section {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.intro {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 26px;
  padding-bottom: 26px;
  background: var(--walnut-dark);
}

.stat {
  padding: 22px clamp(18px, 4vw, 42px);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.stat strong {
  display: block;
  color: var(--gold);
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.stat span {
  color: rgba(255, 255, 255, 0.72);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2,
.showroom h2,
.contact-section h2 {
  font-size: clamp(2rem, 5vw, 4rem);
}

.section-heading p:not(.eyebrow),
.showroom p {
  color: var(--muted);
  font-size: 1.04rem;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.collection-card {
  overflow: hidden;
  border: 1px solid rgba(71, 35, 15, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(43, 25, 12, 0.08);
}

.collection-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.collection-card div {
  padding: 18px;
}

.collection-card h3,
.process h3,
.lightbox h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.collection-card p,
.process p {
  margin: 0;
  color: var(--muted);
}

.portfolio {
  width: 100%;
  max-width: none;
  background: #f4eee4;
}

.portfolio > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.filter-btn {
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(71, 35, 15, 0.18);
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  font-weight: 800;
  cursor: pointer;
}

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

.portfolio-grid {
  display: grid;
  grid-auto-flow: dense;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.portfolio-item {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  background: var(--walnut-dark);
  box-shadow: 0 16px 36px rgba(43, 25, 12, 0.12);
  cursor: zoom-in;
  transition: opacity 160ms ease, transform 180ms ease;
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-item.tall {
  grid-row: span 2;
}

.portfolio-item.wide {
  grid-column: span 2;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  transition: transform 420ms ease;
}

.portfolio-item:hover img {
  transform: scale(1.035);
}

.portfolio-item span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  padding: 11px 12px;
  border-radius: 6px;
  color: var(--white);
  background: rgba(23, 18, 13, 0.74);
  backdrop-filter: blur(8px);
  font-weight: 800;
  text-align: left;
}

.process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--paper);
}

.process div {
  padding: clamp(30px, 5vw, 54px);
  border-top: 1px solid rgba(71, 35, 15, 0.12);
  border-bottom: 1px solid rgba(71, 35, 15, 0.12);
  background: var(--white);
}

.process svg {
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  color: var(--green);
}

.showroom {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 70px);
  align-items: center;
}

.showroom img {
  width: 100%;
  aspect-ratio: 5 / 4;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.contact-list a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--walnut-dark);
  font-weight: 750;
}

.contact-list svg {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  color: var(--green);
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(48px, 7vw, 78px) clamp(18px, 4vw, 56px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(23, 18, 13, 0.9), rgba(71, 35, 15, 0.76)),
    var(--contact-bg, url("assets/sofa-set.jpg")) center / cover;
}

.site-footer {
  color: rgba(255, 255, 255, 0.74);
  background:
    linear-gradient(135deg, rgba(23, 18, 13, 0.96), rgba(71, 35, 15, 0.96)),
    url("assets/dining-set.jpg") center / cover;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.9fr 0.72fr;
  gap: clamp(24px, 5vw, 54px);
  padding: clamp(42px, 7vw, 78px) clamp(18px, 4vw, 56px);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  min-width: 0;
}

.footer-brand img {
  width: 74px;
  height: 74px;
  flex: 0 0 auto;
  border: 4px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  object-fit: cover;
  background: var(--white);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.05;
}

.footer-brand span {
  display: block;
  max-width: 280px;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-column h3 {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.92rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.footer-column p {
  max-width: 290px;
  margin: 0;
}

.footer-column a {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-top: 8px;
  overflow-wrap: anywhere;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.footer-column a:hover,
.footer-column a:focus-visible,
.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: var(--white);
  outline: none;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(0, 0, 0, 0.18);
}

.footer-bottom a {
  color: var(--gold);
  font-weight: 800;
}

.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 18;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green);
  box-shadow: 0 18px 34px rgba(0, 94, 47, 0.34);
}

.lightbox {
  width: min(980px, calc(100vw - 28px));
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.lightbox::backdrop {
  background: rgba(23, 18, 13, 0.78);
  backdrop-filter: blur(6px);
}

.lightbox img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: #130d08;
}

.lightbox h3 {
  padding: 16px 20px 20px;
}

.lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: rgba(23, 18, 13, 0.72);
  cursor: pointer;
}

svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
}

@media (max-width: 900px) {
  .site-header {
    min-height: 68px;
  }

  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% - 4px);
    right: 18px;
    left: 18px;
    display: none;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: rgba(23, 18, 13, 0.94);
  }

  .site-nav.open {
    display: grid;
  }

  .site-nav a {
    width: 100%;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    padding-top: 122px;
    padding-bottom: 156px;
  }

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

  .intro,
  .collection-grid,
  .process,
  .showroom {
    grid-template-columns: 1fr;
  }

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

  .portfolio-item.wide,
  .portfolio-item.tall {
    grid-column: auto;
    grid-row: auto;
  }

  .contact-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .brand strong {
    font-size: 0.94rem;
  }

  .brand small {
    display: none;
  }

  .hero h1 {
    max-width: 9ch;
  }

  .hero-actions,
  .contact-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-item,
  .portfolio-item img {
    min-height: 310px;
  }

  .contact-list a {
    overflow-wrap: anywhere;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    align-items: center;
  }

  .footer-brand img {
    width: 62px;
    height: 62px;
  }
}