@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

:root {
  --copper: #c87533;
  --copper-light: #e8943a;
  --copper-dark: #9e5a1f;
  --copper-glow: rgba(200, 117, 51, 0.25);
  --dark-bg: #0e0e0e;
  --dark-card: #181818;
  --dark-border: #2a2a2a;
  --text-main: #e8e0d5;
  --text-muted: #9a9189;
  --white: #ffffff;
  --font-display: "Roboto", sans-serif;
  --font-body: "Roboto", sans-serif;
  --shadow-copper: 0 8px 32px rgba(200, 117, 51, 0.18);
  --radius: 12px;
}


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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--dark-bg);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.65;
}

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

a { text-decoration: none; }



.main-nav {
    background: #fff !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dark-border);
    padding: 0.85rem 0;
    transition: box-shadow 0.3s;
    z-index: 1000;
}

.main-nav .nav-link {
color: #2c3659 !important;
}

.bg-white{background-color:#fff;}
.footer-heading{color:#e8943a !important;}
.why-list li{color:#2c3659 !important; border-bottom:0px !important; padding-bottom:0px !important;}



.top-bar {
  background: #2c3659;
  border-bottom: 1px solid var(--dark-border);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.top-bar i { color: var(--copper); }

/* ---- Navbar ---- */
.main-nav {
  background: rgba(14, 14, 14, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dark-border);
  padding: 0.85rem 0;
  transition: box-shadow 0.3s;
  z-index: 1000;
}
.main-nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.6); }

.brand-icon {
  width: 40px; height: 40px;
  background: var(--copper);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--white);
}
.brand-name .accent { color: var(--copper); }

.main-nav .nav-link {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--copper-light);
  background: rgba(200,117,51,0.08);
}

.navbar-toggler {
  border-color: var(--dark-border);
  color: var(--copper);
}
.navbar-toggler-icon {
  filter: invert(60%) sepia(40%) saturate(500%) hue-rotate(355deg);
}

/* ---- Buttons ---- */
.btn-copper {
  background: var(--copper);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.5rem;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.btn-copper:hover {
  background: var(--copper-light);
  color: #fff;
  box-shadow: 0 4px 18px var(--copper-glow);
  transform: translateY(-1px);
}
.btn-outline-copper {
  background: transparent;
  color: var(--copper-light);
  border: 2px solid var(--copper);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-radius: 6px;
  padding: 0.5rem 1.5rem;
  transition: background 0.2s, color 0.2s;
}
.btn-outline-copper:hover {
  background: var(--copper);
  color: #fff;
}
.btn-link-copper {
  color: var(--copper);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s, gap 0.2s;
}
.btn-link-copper:hover { color: var(--copper-light); gap: 0.6rem; }

/* ---- Section Common ---- */
.section-pad { padding: 80px 0; }
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  background: rgba(200,117,51,0.12);
  padding: 0.3rem 0.85rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.7;
}
.text-copper { color: var(--copper) !important; }
.text-copper-light { color: var(--copper-light) !important; }
.shadow-copper { box-shadow: var(--shadow-copper); }

/* ---- Hero Section ---- */
.hero-section {
  position: relative;
  background: url('image/bg.jpeg') center/cover no-repeat;
  padding: 100px 0 80px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10,10,10,0.20) 40%, rgba(10,10,10,0.65) 100%);
}
.min-vh-section { min-height: 75vh; }

.hero-sub {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  background: rgba(200,117,51,0.12);
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.hero-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 2rem;
}

/* Hero grid */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.hero-card {
  background: rgba(30,25,20,0.85);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.hero-card:hover {
  transform: translateY(-4px);
  border-color: var(--copper);
}
.hero-card img {
  width: 100%; height: 90px;
  object-fit: cover;
}
.hero-card p {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 6px 8px;
  margin: 0;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
}

/* ---- About Section ---- */
.bg-light-dark { background: #111111; }
.about-img-wrap { display: inline-block; }
.stat-badge {
  position: absolute;
  bottom: -18px;
  left: -18px;
  background: var(--copper);
  color: #fff;
  border-radius: var(--radius);
  padding: 1rem 1.4rem;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.85;
}

/* ---- Ingots Section ---- */
.ingots-section {
  position: relative;
  background: url('https://images.unsplash.com/photo-1581092160607-ee22621dd758?w=1400&h=700&fit=crop') center/cover no-repeat;
}
.ingots-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,5,5,0.82);
}

.industry-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(200,117,51,0.2);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.industry-card:hover {
  background: rgba(200,117,51,0.1);
  border-color: var(--copper);
  transform: translateY(-4px);
}
.industry-card i {
  font-size: 2rem;
  color: var(--copper);
  display: block;
  margin-bottom: 0.75rem;
}
.industry-card p {
  font-weight: 600;
  font-size: 0.88rem;
  margin: 0;
  color: var(--text-main);
}

/* ---- Product Cards ---- */
.product-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  height: 100%;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--copper);
  box-shadow: var(--shadow-copper);
}
.product-img-wrap { overflow: hidden; }
.product-img-wrap img {
  width: 100%; height: 200px;
  object-fit: cover;
  transition: transform 0.35s;
}
.product-card:hover .product-img-wrap img { transform: scale(1.06); }
.product-body {
  padding: 1.2rem 1.4rem 1.4rem;
}
.product-body h5 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.product-body p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ---- Infrastructure Section ---- */
.infra-section { background: #111111; }
.infra-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 1.2rem;
  height: 100%;
  transition: border-color 0.2s, transform 0.2s;
}
.infra-card:hover { border-color: var(--copper); transform: translateY(-3px); }
.infra-card i {
  font-size: 1.6rem;
  color: var(--copper);
  display: block;
  margin-bottom: 0.6rem;
}
.infra-card h6 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.3rem;
}
.infra-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

/* ---- Why Us Section ---- */
.why-section { background: var(--dark-bg); }
.why-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.why-list li {
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  border-bottom: 1px solid var(--dark-border);
  padding-bottom: 1rem;
}
.why-list li:last-child { border-bottom: none; padding-bottom: 0; }
.why-list li i { font-size: 1.1rem; flex-shrink: 0; }

/* ---- Vision / Mission Section ---- */
.vision-section {
  position: relative;
  background: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1400&h=700&fit=crop') center/cover no-repeat;
}

/*.vision-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,5,5,0.88);
}*/

.mission-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(200,117,51,0.2);
  border-radius: var(--radius);
  padding: 1.8rem 1.4rem;
  text-align: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  height: 100%;
}
.mission-card:hover {
  background: rgba(200,117,51,0.08);
  border-color: var(--copper);
  transform: translateY(-5px);
}
.mission-icon {
  width: 54px; height: 54px;
  background: var(--copper);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff;
  margin: 0 auto 1rem;
}
.mission-card h6 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.mission-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* ---- Contact Section ---- */
.contact-info-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
  height: 100%;
}
.contact-info-card:hover { border-color: var(--copper); transform: translateY(-4px); }
.contact-info-card i {
  font-size: 2rem;
  color: var(--copper);
  display: block;
  margin-bottom: 0.75rem;
}
.contact-info-card h6 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.contact-info-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}
.contact-form-wrap {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

/* Form Controls */
.form-control-dark,
.form-select.form-control-dark {
  background: #222;
  border: 1px solid var(--dark-border);
  color: var(--text-main);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
}
.form-control-dark::placeholder { color: var(--text-muted); }
.form-control-dark:focus,
.form-select.form-control-dark:focus {
  background: #272727;
  border-color: var(--copper);
  color: var(--text-main);
  box-shadow: 0 0 0 3px var(--copper-glow);
  outline: none;
}
.form-select.form-control-dark option { background: #222; color: var(--text-main); }

/* ---- Footer ---- */
.main-footer {
  background: #0a0a0a;
  border-top: 1px solid var(--dark-border);
  padding: 60px 0 30px;
}
.footer-desc { font-size: 0.88rem; color: var(--text-muted); max-width: 300px; }
.footer-heading {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer-links {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--copper); }
.footer-contact {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 0.65rem;
}
.footer-contact li {
  display: flex; gap: 0.65rem;
  font-size: 0.87rem; color: var(--text-muted);
  align-items: flex-start;
}
.footer-contact li i { color: var(--copper); margin-top: 2px; flex-shrink: 0; }
.footer-hr { border-color: var(--dark-border); margin: 2rem 0 1.5rem; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* Social Links */
.social-links { display: flex; gap: 0.6rem; }
.social-links a {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--dark-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.social-links a:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
}

/* ---- Fade-in animation ---- */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE OVERRIDES
   ============================================ */

/* Large devices (desktops) */
@media (max-width: 1199.98px) {
  .hero-title { font-size: 3rem; }
  .section-title { font-size: 2rem; }
  .hero-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}

/* Medium devices (tablets) */
@media (max-width: 991.98px) {
  .section-pad { padding: 60px 0; }
  .hero-section { padding: 80px 0 60px; min-height: auto; }
  .hero-title { font-size: 2.6rem; }
  .hero-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-badge { bottom: -12px; left: -12px; }
}

/* Small devices (landscape phones) */
@media (max-width: 767.98px) {
  .section-pad { padding: 50px 0; }
  .hero-section { padding: 60px 0 50px; }
  .hero-title { font-size: 2.1rem; }
  .hero-desc { font-size: 0.95rem; }
  .section-title { font-size: 1.7rem; }
  .hero-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-card img { height: 70px; }
  .stat-badge { bottom: -10px; left: 10px; }
  .about-img-wrap { display: block; }
  .contact-form-wrap { padding: 1.5rem; }
  .product-img-wrap img { height: 175px; }
}

/* Extra small (portrait phones) */
@media (max-width: 575.98px) {
  .hero-title { font-size: 1.85rem; }
  .hero-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .hero-card img { height: 60px; }
  .hero-card p { font-size: 0.65rem; }
  .btn-copper, .btn-outline-copper { padding: 0.5rem 1rem; font-size: 0.88rem; }
  .section-title { font-size: 1.5rem; }
  .stat-badge { position: relative; bottom: auto; left: auto; margin-top: 1rem; display: inline-block; }
  .mission-card { padding: 1.3rem 1rem; }
  .contact-form-wrap { padding: 1.2rem; }
  .footer-desc { max-width: 100%; }
}