:root {
  --nav-height: 76px;
  --nav-color: #ffffff;
  --bg-color: #f5f7fa;
  --surface: #ffffff;
  --surface-soft: #eef3fb;
  --text-primary: #0b2d5c;
  --text-secondary: #475569;
  --accent: #f58220;
  --accent-dark: #d96914;
  --border: rgba(11, 45, 92, 0.08);
  --shadow-soft: 0 24px 70px rgba(11, 45, 92, 0.08);
  --shadow-light: 0 10px 30px rgba(11, 45, 92, 0.08);
  --radius: 16px;
  --max-width: 1400px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: var(--text-primary);
  background: var(--bg-color);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: #0b2d5c;
  color: #ffffff;
  font-size: 0.85rem;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  min-height: 35px;
}

.topbar-info {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.topbar-social {
  display: flex;
  gap: 0.75rem;
}

.topbar-social a {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  color: #ffffff;
  opacity: 0.85;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-color);
  box-shadow: 0 10px 40px rgba(11, 45, 92, 0.08);
}

.header-inner {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
}

.logo {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
}

.logo span {
  color: var(--accent);
}

.nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  margin-bottom: 5px;
  background: var(--text-primary);
  border-radius: 999px;
}

.hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, rgba(11, 45, 92, 0.85) 0%, rgba(11, 45, 92, 0.6) 60%), url('../images/Artboard 8.jpg') center/cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  min-height: 650px;
}

.hero-copy {
  max-width: 600px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-copy h1 {
  font-size: clamp(3rem, 4vw, 4.5rem);
  line-height: 0.95;
  color: #ffffff;
  margin: 0 0 1.4rem;
}

.hero-copy h1 span {
  color: var(--accent);
}

.hero-copy p {
  color: rgba(255, 255, 255, 0.84);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.hero-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -20px;
  height: 70px;
  background: linear-gradient(90deg, rgba(245, 130, 32, 0.9) 0%, rgba(245, 130, 32, 0.25) 100%);
  clip-path: ellipse(70% 100% at 50% 0%);
}

.quick-access-section {
  padding-top: 40px;
}

.quick-access-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.quick-access-card {
  display: block;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-light);
  border: 1px solid transparent;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-primary);
}

.quick-access-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 30px 70px rgba(11, 45, 92, 0.08);
}

.quick-access-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.quick-access-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.8;
}

.section {
  padding: 90px 0;
}

.section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.section-deco {
  display: inline-block;
  width: 72px;
  height: 4px;
  background: var(--accent);
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-heading h2 {
  font-size: clamp(2rem, 2.5vw, 2.85rem);
  margin: 0;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 18px auto 0;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  border: 1px solid transparent;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 32px 70px rgba(11, 45, 92, 0.12);
  border-color: var(--accent);
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.product-content {
  padding: 24px;
}

.product-content h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.product-content p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.8;
}

.products-cta {
  display: flex;
  justify-content: center;
  margin-top: 2.5rem;
}

.why-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.why-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.why-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-copy {
  max-width: 620px;
}

.why-copy .section-tag {
  color: var(--accent);
}

.why-copy h2 {
  font-size: clamp(2.5rem, 3vw, 3.6rem);
  margin: 18px 0 24px;
}

.why-copy p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 32px;
}

.stat-box {
  background: var(--accent);
  color: var(--surface);
  padding: 28px 22px;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow-light);
}

.stat-box h3 {
  font-size: 2rem;
  margin: 0 0 12px;
}

.stat-box p {
  margin: 0;
  font-weight: 500;
}

.industry-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.quality-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(11, 45, 92, 0.08);
}

.quality-card h3 {
  margin-top: 0;
  color: var(--text-primary);
}

.quality-card p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

.industry-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: transform 0.35s ease, border-color 0.35s ease;
  border: 1px solid transparent;
}

.industry-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
}

.industry-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  background: var(--surface-soft);
  border-radius: 50%;
  font-size: 1.75rem;
  color: #0b2d5c;
}

.industry-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.footer {
  background: #0b2d5c;
  color: #ffffff;
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.footer-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
}

.footer-logo span {
  color: var(--accent);
}

.footer-col h3 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.footer-col p,
.footer-col li,
.footer-col a {
  color: rgba(255, 255, 255, 0.82);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-cta {
  display: inline-block;
  margin-top: 18px;
}

.footer-copy {
  text-align: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.72);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #0b2d5c;
}

.btn-secondary {
  background: #ffffff;
  color: #0b2d5c;
  box-shadow: var(--shadow-light);
}

.btn-secondary:hover {
  background: #f5f7fa;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  color: #0b2d5c;
  font-size: 1.3rem;
  display: none;
  cursor: pointer;
  box-shadow: var(--shadow-light);
}

.reveal-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-card.visible {
  opacity: 1;
  transform: translateY(0);
}
