/* Nidhi Steels - Production Stylesheet */
:root {
  --bg-primary: #0e1013;
  --bg-secondary: #16191e;
  --bg-card: #1d2128;
  --bg-card-hover: #242932;
  --accent: #4fa3d1;
  --accent-hover: #3d8fb8;
  --text-primary: #f0f2f5;
  --text-secondary: #a0a6b1;
  --text-muted: #6b7280;
  --border: #2c323d;
  --border-light: #3e4655;
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --container: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* TOP CONTACT BAR */
.top-bar {
  background-color: #08090a;
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 14px;
}

.social-links a:hover {
  background: var(--accent);
  color: #fff;
}

/* NAVBAR */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(14, 16, 19, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 75px;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ffffff;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: -3px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 160px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  display: none;
  list-style: none;
  padding: 8px 0;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  display: block;
  padding: 8px 18px;
  font-size: 13px;
  color: var(--text-secondary);
}

.dropdown-menu a:hover {
  background: var(--bg-card-hover);
  color: #fff;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(79, 163, 209, 0.3);
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border: 1px solid var(--border-light);
}

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

/* HERO SECTION */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(14,16,19,0.75) 0%, rgba(14,16,19,0.92) 100%),
              url('../assets/IMG_20190410_145732.jpg') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 800px;
  padding: 60px 0;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(79, 163, 209, 0.12);
  border: 1px solid rgba(79, 163, 209, 0.3);
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 20px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 35px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

/* SECTION HEADINGS */
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 50px auto;
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
}

/* INSIGHT SECTION */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.insight-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 35px 25px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.insight-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.insight-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 20px;
}

.insight-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.insight-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.insight-card ul {
  list-style: none;
  margin-top: 15px;
}

.insight-card ul li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.insight-card ul li::before {
  content: '•';
  color: var(--accent);
  font-weight: bold;
}

/* PRODUCTS SECTION */
.product-category-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  margin: 40px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-category-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 2px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.product-image-wrap {
  width: 100%;
  height: 240px;
  background: #111418;
  overflow: hidden;
  position: relative;
}

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

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

.product-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
  min-height: 44px;
}

.product-badge {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 8px;
}

.product-action {
  margin-top: auto;
  padding-top: 15px;
}

.product-action .btn {
  width: 100%;
  padding: 8px;
  font-size: 12px;
}

/* ABOUT US STYLING */
.about-hero {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}

.about-text h3 {
  font-family: var(--font-heading);
  font-size: 26px;
  color: #ffffff;
  margin-bottom: 15px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 15px;
  font-size: 15px;
  line-height: 1.8;
}

.about-image {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.craftsmanship-banner {
  background: linear-gradient(135deg, #18222d 0%, #151b22 100%);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 40px;
  margin: 40px 0;
  text-align: center;
}

.craftsmanship-banner h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 15px;
}

.craftsmanship-banner p {
  color: var(--text-primary);
  max-width: 850px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
}

/* GALLERY / LIGHTBOX */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  height: 260px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 16, 19, 0.6);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay i {
  font-size: 28px;
  color: #fff;
}

/* Lightbox Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.modal-close {
  position: absolute;
  top: 25px;
  right: 35px;
  color: #fff;
  font-size: 35px;
  cursor: pointer;
  background: none;
  border: none;
}

/* VIDEO GRID */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
}

.video-card:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-player-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
}

.video-player-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-info {
  padding: 20px;
}

.video-title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: #ffffff;
  font-weight: 600;
}

/* CONTACT PAGE */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 35px;
}

.info-item {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}

.info-icon {
  font-size: 20px;
  color: var(--accent);
  margin-top: 2px;
}

.info-item h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  color: #ffffff;
  margin-bottom: 5px;
}

.info-item p, .info-item a {
  color: var(--text-secondary);
  font-size: 14px;
}

.info-item a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 35px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 163, 209, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* FOOTER */
.footer {
  background: #08090a;
  border-top: 1px solid var(--border);
  padding: 60px 0 25px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: #ffffff;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 3px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background: var(--bg-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
    gap: 20px;
    transition: var(--transition);
    overflow-y: auto;
  }
  .nav-menu.active {
    left: 0;
  }
  .dropdown-menu {
    position: static;
    display: block;
    background: transparent;
    border: none;
    box-shadow: none;
    padding-left: 15px;
  }
  .hero-title {
    font-size: 34px;
  }
  .section-title {
    font-size: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}