/* ===== RK Staircases Ltd - Light Theme ===== */
:root {
  --bg: #faf9f6;
  --bg-alt: #f3f0eb;
  --white: #ffffff;
  --text: #1a1a1a;
  --text-light: #555555;
  --text-muted: #888888;
  --gold: #B8860B;
  --gold-light: #D4A843;
  --gold-dark: #8B6508;
  --gold-bg: rgba(184, 134, 11, 0.08);
  --border: #e5e0d8;
  --card: #ffffff;
  --card-hover: #faf8f4;
  --shadow: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 40px rgba(0,0,0,0.1);
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

.section-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--gold);
  margin-bottom: 14px;
  font-weight: 600;
}

h2 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2.8rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.2;
  color: var(--text);
}

h3 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
}

.section-sub {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 50px;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gold);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(184, 134, 11, 0.3);
}

.btn-outline {
  border: 2px solid var(--gold);
  color: var(--gold);
  background: transparent;
}
.btn-outline:hover { background: var(--gold); color: var(--white); }

.btn-full { width: 100%; }

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 10px rgba(0,0,0,0.04);
}

.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }
.nav-links { display: flex; list-style: none; gap: 32px; }
.nav-links a {
  color: var(--text-light); text-decoration: none;
  font-size: 0.9rem; font-weight: 500; transition: color 0.3s;
}
.nav-links a:hover { color: var(--gold); }

.nav-cta {
  background: var(--gold); color: var(--white) !important;
  padding: 10px 24px; border-radius: 6px;
  font-size: 0.9rem; font-weight: 600;
  text-decoration: none; transition: all 0.3s;
}
.nav-cta:hover { background: var(--gold-dark); transform: translateY(-1px); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: var(--text); transition: all 0.3s; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #faf9f6 0%, #f0ede6 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 70%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(184,134,11,0.06) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--gold);
  margin-bottom: 20px;
  font-weight: 600;
}

.hero h1 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--gold-dark);
  max-width: 650px;
  margin-bottom: 30px;
  line-height: 1.7;
  font-weight: 500;
}

.hero-buttons {
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px;
}

.hero-stats {
  display: flex; gap: 60px;
}

.hero-stat { text-align: center; }
.stat-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem; font-weight: 700; color: var(--text);
}
.stat-star { color: var(--gold); font-size: 1.4rem; }
.stat-label {
  font-size: 0.78rem; color: var(--text-light);
  text-transform: uppercase; letter-spacing: 2px; margin-top: 4px;
}

/* Tagline banner */
.tagline-banner {
  background: var(--gold);
  color: var(--white);
  text-align: center;
  padding: 28px 24px;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  line-height: 1.6;
}

/* About */
.about { background: var(--white); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.about-text h2 { margin-bottom: 24px; }
.about-text p {
  color: var(--text-light); margin-bottom: 16px;
  font-size: 1rem; line-height: 1.8;
}
.about-features {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-top: 30px;
}
.about-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--text);
}
.feature-icon { color: var(--gold); font-weight: 700; }
.about-image img {
  width: 100%; border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Services */
.services { background: var(--bg-alt); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 28px;
  transition: all 0.3s ease; box-shadow: var(--shadow);
  opacity: 0; transform: translateY(30px);
}
.service-card.revealed {
  opacity: 1; transform: translateY(0);
  transition: all 0.6s ease;
}
.service-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.service-icon {
  width: 48px; height: 48px;
  background: var(--gold-bg); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--gold);
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.service-card p { color: var(--text-light); font-size: 0.9rem; line-height: 1.7; }

/* Gallery */
.work { background: var(--white); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  aspect-ratio: 4/3;
  opacity: 0; transform: translateY(30px);
}
.work-item.revealed {
  opacity: 1; transform: translateY(0);
  transition: all 0.6s ease;
}
.work-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.work-item img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 0.5s ease;
}
.work-item:hover img { transform: scale(1.05); }
.work-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  display: flex; align-items: flex-end; padding: 20px;
  opacity: 0; transition: opacity 0.3s;
}
.work-item:hover .work-overlay { opacity: 1; }
.work-overlay span {
  color: var(--white); font-weight: 500; font-size: 0.9rem;
}

/* Reviews */
.reviews { background: var(--bg-alt); }
.reviews-rating { display: flex; justify-content: center; margin-bottom: 50px; }
.rating-big {
  text-align: center; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 50px; box-shadow: var(--shadow);
}
.rating-stars { font-size: 1.6rem; color: var(--gold); letter-spacing: 2px; }
.rating-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem; font-weight: 700; margin: 8px 0; color: var(--text);
}
.rating-count { color: var(--text-light); font-size: 0.9rem; }
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.review-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px;
  box-shadow: var(--shadow);
  opacity: 0; transform: translateY(20px);
}
.review-card.revealed {
  opacity: 1; transform: translateY(0);
  transition: all 0.6s ease;
}
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.review-card p {
  color: var(--text-light); font-size: 0.95rem;
  line-height: 1.8; margin-bottom: 20px; font-style: italic;
}
.review-author strong { display: block; font-size: 0.9rem; color: var(--text); }
.review-author span { font-size: 0.8rem; color: var(--text-muted); }

/* Contact */
.contact { background: var(--white); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start;
}
.contact-method {
  display: flex; gap: 16px; margin-bottom: 28px;
}
.contact-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--gold-bg); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.contact-method h4 {
  font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 4px;
}
.contact-method p, .contact-method a {
  font-size: 0.9rem; color: var(--text-light); text-decoration: none;
}
.contact-method a:hover { color: var(--gold); }
.follower-count { font-size: 0.78rem !important; color: var(--gold) !important; }
.contact-map {
  margin-top: 10px; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border);
}

/* Contact Form */
.contact-form {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
  box-shadow: var(--shadow);
}
.contact-form h3 {
  font-size: 1.6rem; margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 500;
  color: var(--text); margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  font-size: 0.95rem; font-family: inherit;
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--gold);
}
.form-group select { cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 100px; }

/* Footer */
.footer {
  background: var(--text); color: var(--white);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.7; margin-top: 16px; max-width: 300px; }
.footer-links-col h4 { font-size: 0.85rem; font-weight: 600; color: var(--white); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 2px; }
.footer-links-col ul { list-style: none; }
.footer-links-col li { margin-bottom: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.footer-links-col a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.3s; }
.footer-links-col a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.8rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(30px); }

/* Page Header */
.page-header {
  background: var(--bg);
  padding: 160px 0 80px;
  text-align: center;
}
.page-header h1 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--text);
}

/* CTA Section */
.cta-section {
  background: var(--gold-bg);
  text-align: center;
  padding: 80px 24px;
}
.cta-section h2 {
  margin-bottom: 10px;
}
.cta-section p {
  color: var(--text-light);
  margin-bottom: 30px;
  font-size: 1.05rem;
}

/* Portfolio Page */
.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.3s;
}
.filter-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.filter-btn.active {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.portfolio-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
}
.portfolio-item.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease;
}
.portfolio-item:hover {
  box-shadow: var(--shadow-hover);
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.portfolio-item:hover img {
  transform: scale(1.05);
}
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 40%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}
.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}
.portfolio-cat {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gold-light);
  margin-bottom: 6px;
  font-weight: 600;
}
.portfolio-overlay strong {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 6px;
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
}
.portfolio-overlay p {
  color: rgba(255,255,255,0.75);
  font-size: 0.8rem;
  line-height: 1.5;
  max-width: 90%;
}

/* Responsive */
@media (max-width: 1024px) {
  .services-grid, .work-grid, .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image { order: -1; }
}
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  h2 { font-size: 2rem; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.active {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); padding: 24px; gap: 16px;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
  }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .services-grid, .work-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; }
  .about-features { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}