:root {
  --solar-blue: #0b4d8a;
  --solar-blue-deep: #082f52;
  --solar-green: #20b66a;
  --solar-green-deep: #118353;
  --solar-yellow: #f5b642;
  --solar-orange: #f57c20;
  --navy: #12263f;
  --white: #ffffff;
  --off-white: #f5f9fc;
  --muted: #5d6b7a;
  --text: #1f2d3d;
  --border: rgba(11, 77, 138, 0.12);
  --shadow-soft: 0 15px 35px rgba(11, 77, 138, 0.08);
  --shadow-card: 0 18px 38px rgba(18, 38, 63, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Noto Sans Bengali", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

body.bn {
  font-family: "Noto Sans Bengali", "Inter", sans-serif;
}

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

a {
  text-decoration: none;
}

section {
  position: relative;
}

.container {
  max-width: 1200px;
}

.bg-soft {
  background: var(--off-white);
}

.text-primary {
  color: var(--solar-blue) !important;
}

.eyebrow {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--solar-blue);
  margin-bottom: 1rem;
}

.section {
  padding: 100px 0;
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading h2 {
  color: var(--navy);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
}

.navbar {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(18,38,63,0.06);
  padding: 0.75rem 0;
}

.navbar-brand {
  margin-right: 0;
}

.brand-logo {
  height: 74px;
  width: auto;
}

.navbar-nav {
  gap: 0.25rem;
}

.navbar-nav .nav-link {
  color: var(--navy);
  font-weight: 700;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
  color: var(--solar-blue);
  background: rgba(11,77,138,0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #eef5fb;
  border: 1px solid var(--border);
  padding: 0.2rem;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--solar-blue);
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: var(--solar-blue);
  color: var(--white);
}

.lang-divider {
  color: rgba(18,38,63,0.45);
  font-weight: 800;
}

.btn {
  border-radius: 999px;
  padding: 0.8rem 1.5rem;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--solar-blue), #1c9ad6);
  border: none;
  box-shadow: 0 12px 28px rgba(11,77,138,0.22);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--solar-blue-deep), #1776b4);
}

.btn-outline-light {
  border: 1px solid rgba(255,255,255,0.65);
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.hero-section {
  position: relative;
  background: linear-gradient(120deg, rgba(8, 27, 45, 0.72), rgba(11,77,138,0.52)),
    url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
  color: var(--white);
  padding: 120px 0 90px;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 18%, rgba(245,182,66,0.26), transparent 22%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  font-size: clamp(2.7rem, 4.5vw, 5rem);
  line-height: 1.3;
   letter-spacing: -0.05em;
  font-weight: 800;
  margin-bottom: 1rem;
  max-width: 700px;
      color: #ffe185;
}

.hero-copy h2 {
  font-size: clamp(1.35rem, 4vw, 2.15rem);
  line-height: 1.3;
  font-weight: 700;
  color: rgb(117 255 123 / 92%);
  margin-bottom: 1rem;
  max-width: 620px;
}

.hero-copy p {
  color: rgba(255,255,255,0.87);
  font-size: 1.08rem;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.trust-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.5rem;
  padding: 0;
  margin: 2rem 0 0;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}

.hero-visual-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.hero-enquiry-card {
  padding: 1.8rem;
  background: rgba(7, 26, 41, 0.72);
}

.hero-enquiry-heading h2 {
  color: var(--white);
  font-size: 1.65rem;
  line-height: 1.2;
  margin-bottom: 0.55rem;
}

.hero-enquiry-heading p {
  color: rgba(255,255,255,0.78);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.hero-enquiry-form .form-control,
.hero-enquiry-form .form-select {
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.96);
  padding: 0.72rem 0.9rem;
}

.hero-enquiry-form .form-control:focus,
.hero-enquiry-form .form-select:focus {
  border-color: var(--solar-yellow);
  box-shadow: 0 0 0 0.2rem rgba(245,182,66,0.2);
}

.hero-enquiry-form .success-message,
.hero-enquiry-form .error-message {
  background: rgba(255,255,255,0.94);
  font-size: 0.85rem;
}

.mini-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.mini-stat:last-child {
  border-bottom: none;
}

.mini-stat span {
  color: rgba(255,255,255,0.8);
  font-weight: 600;
}

.mini-stat strong {
  font-size: 1.7rem;
  color: var(--white);
}

.page-hero {
  position: relative;
  padding: 110px 0 80px;
  background: linear-gradient(120deg, rgba(8,27,45,0.94), rgba(11,77,138,0.85));
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 25%, rgba(245,182,66,0.22), transparent 25%);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
}

.page-hero-inner h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 800;
  line-height: 1.14;
  color: var(--white);
  margin-bottom: 1rem;
}

.page-hero-inner p {
  max-width: 760px;
  font-size: 1.08rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 0;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.8rem 0;
}

.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.9rem;
  color: var(--navy);
  font-weight: 600;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--solar-green);
  font-weight: 800;
}

.image-frame {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.image-frame img {
  width: 100%;
  min-height: 480px;
  object-fit: cover;
}

.feature-card,
.service-card,
.industry-card,
.product-card,
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover,
.service-card:hover,
.industry-card:hover,
.product-card:hover,
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-card {
  padding: 2rem 1.5rem;
  text-align: center;
  height: 100%;
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(11,77,138,0.08), rgba(32,182,106,0.12));
  color: var(--solar-blue);
  margin: 0 auto 1rem;
  font-size: 1.7rem;
}

.feature-card h3 {
  color: var(--navy);
  font-size: 1.28rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
}

.feature-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.service-card,
.product-card {
  overflow: hidden;
  height: 100%;
}

.service-card img,
.product-card img,
.industry-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.service-body,
.product-body {
  padding: 1.5rem 1.25rem 1.4rem;
}

.service-icon,
.product-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(11,77,138,0.08);
  color: var(--solar-blue);
  font-size: 1.5rem;
  margin-bottom: 0.9rem;
}

.service-body h3,
.product-body h3 {
  color: var(--navy);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
}

.service-body p,
.product-body p {
  color: var(--muted);
  margin-bottom: 0;
}

.product-card .btn,
.service-card .btn {
  margin-top: 1rem;
}

.industry-card {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  background-size: cover;
  background-position: center;
}

.industry-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9,27,45,0.18), rgba(9,27,45,0.78));
}

.industry-card > * {
  position: relative;
  z-index: 1;
}

.industry-card h3 {
  color: var(--white);
  font-weight: 800;
  font-size: 1.7rem;
  margin-bottom: 0.5rem;
}

.industry-card p {
  color: rgba(255,255,255,0.88);
  margin-bottom: 0;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--solar-yellow), rgba(11,77,138,0.18));
}

.timeline-item {
  position: relative;
  padding-left: 96px;
}

.timeline-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--solar-blue), var(--solar-green));
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 12px 22px rgba(11,77,138,0.22);
}

.timeline-content {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-soft);
}

.timeline-content h3 {
  color: var(--navy);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  margin-bottom: 0;
  color: var(--muted);
}

.cta-panel {
  background: linear-gradient(135deg, rgba(11,77,138,0.96), rgba(32,182,106,0.88));
  border-radius: 30px;
  padding: 3rem 2.5rem;
  color: var(--white);
  box-shadow: var(--shadow-card);
}

.cta-panel h2 {
  color: var(--white);
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.cta-panel p {
  color: rgba(255,255,255,0.86);
  margin-bottom: 0;
}

.contact-panel {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: rgba(255,255,255,0.7);
  border-radius: 18px;
  margin-bottom: 1rem;
}

.contact-item i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(11,77,138,0.08);
  color: var(--solar-blue);
  font-size: 1.2rem;
}

.contact-item strong {
  display: block;
  color: var(--navy);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.contact-item a,
.contact-item span {
  color: var(--muted);
}

.lead-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.8rem;
  box-shadow: var(--shadow-soft);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--navy);
  font-weight: 700;
}

.form-control,
.form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(11,77,138,0.14);
  background: var(--white);
  color: var(--navy);
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(11,77,138,0.55);
  box-shadow: 0 0 0 0.2rem rgba(11,77,138,0.12);
}

.success-message,
.error-message {
  display: none;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  margin-top: 1rem;
  font-weight: 600;
}

.success-message {
  background: rgba(32,182,106,0.12);
  color: var(--solar-green-deep);
}

.error-message {
  background: rgba(214, 52, 52, 0.08);
  color: #b42318;
}

.site-footer {
  background: #071a29;
  color: rgba(255,255,255,0.82);
  padding-top: 4rem;
}

.footer-brand img {
  height: 72px;
  margin-bottom: 1rem;
}

.site-footer h3 {
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.footer-links a,
.footer-links span {
  color: rgba(255,255,255,0.8);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 2.5rem;
  padding: 1.3rem 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.social-links {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--white);
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    padding-top: 1rem;
  }

  .nav-actions {
    margin-top: 0.7rem;
    justify-content: flex-start;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy h1,
  .hero-copy h2,
  .hero-copy p,
  .trust-list {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 78px 0;
  }

  .brand-logo {
    height: 58px;
  }

  .hero-section {
    padding-top: 90px;
  }

  .hero-copy h1 {
    font-size: 2.6rem;
  }

  .hero-copy h2 {
    font-size: 1.45rem;
  }

  .trust-list {
    display: grid !important;
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: 2.2rem 1.4rem;
  }

  .footer-bottom {
    display: block;
    text-align: center;
  }
}