/* NEXA Techn - Pure Vanilla CSS */
@import url('https://fonts.googleapis.com/css2?family=Kumbh Sans:wght@400;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --color-bg: #F8F9FA;
  --color-surface: #FFFFFF;
  --color-navy: #0C102A;
  --color-teal: #47828B;
  --color-teal-hover: #3B6E76;
  --color-teal-light: #EAF2F3;
  --color-text: #334155;
  --color-border: #E2E8F0;
  --font-heading: 'Kumbh Sans', sans-serif;
  --font-body: 'Poppins', sans-serif;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.25;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar - Compact Height */
.navbar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 8px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-img {
  height: 60px;
  width: auto;
  display: block;
  padding: 4px 0;
}

.footer-logo-img {
  height: 70px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  margin-bottom: 12px;
  padding: 4px 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-teal);
}

.btn-primary {
  background-color: var(--color-teal) !important;
  color: #ffffff !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  display: inline-block;
  transition: background-color 0.2s;
  text-align: center;
}

.btn-primary:hover {
  background-color: var(--color-teal-hover) !important;
  color: #ffffff !important;
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  display: inline-block;
  transition: border-color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--color-navy);
}

/* Mobile Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-navy);
}

/* Hero Section */
.hero {
  padding: 45px 0 45px 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.hero-centered {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-block;
  background-color: var(--color-teal-light);
  color: var(--color-teal);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero h1 span {
  color: var(--color-teal);
}

.hero p {
  font-size: 18px;
  color: #475569;
  margin-bottom: 24px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 32px auto;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.section-header p {
  color: #64748B;
  font-size: 15px;
}

/* Products Section */
.products-section {
  padding: 50px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.product-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.product-info h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 4px;
}

.product-tagline {
  color: var(--color-teal);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 16px;
}

.info-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}

.info-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #64748B;
  margin-bottom: 2px;
}

.feature-list {
  list-style: none;
  margin: 12px 0 18px 0;
}

.feature-list li {
  font-size: 14px;
  color: #334155;
  margin-bottom: 6px;
  position: relative;
  padding-left: 20px;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-teal);
  font-weight: bold;
}

.product-img-box img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

/* Tech Stack Section */
.tech-section {
  padding: 50px 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tech-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
}

.tech-card h4 {
  font-size: 17px;
  margin-bottom: 6px;
}

.tech-card p {
  font-size: 13px;
  color: #64748B;
}

/* About Section */
.about-section {
  padding: 50px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 16px;
  color: #475569;
  margin-bottom: 18px;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
  text-align: left;
}

.highlight-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
}

.highlight-box h5 {
  font-size: 14px;
  margin-bottom: 2px;
}

.highlight-box p {
  font-size: 12px;
  color: #64748B;
  margin-bottom: 0;
}

/* Contact Form Modal / Page */
.contact-section {
  padding: 50px 0;
  background: var(--color-bg);
}

.contact-card {
  max-width: 600px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-navy);
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font-body);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-teal);
}

/* Footer */
.footer {
  background-color: var(--color-navy);
  color: #cbd5e1;
  padding: 45px 0 24px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid #1e293b;
}

.footer p {
  font-size: 14px;
  color: #94a3b8;
  margin: 10px 0;
  max-width: 360px;
}

.footer-email {
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
}

.footer-email a {
  color: #ffffff;
}

.footer-email a:hover {
  color: var(--color-teal);
}

.footer h5 {
  color: #ffffff;
  font-size: 14px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

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

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 14px;
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  font-size: 13px;
  color: #64748b;
}

/* Responsive */
@media (max-width: 900px) {
  .logo-img {
    height: 48px;
  }
  .footer-logo-img {
    height: 56px;
  }
  .hero-centered {
    padding: 0 10px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .product-block, .footer-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid, .about-highlights {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #ffffff;
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
  }
}