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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #071824;
  color: #F5F7FA;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

section {
  padding: 100px 8%;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  color: #00C2FF;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.5rem;
  max-width: 800px;
  margin: auto;
}

.primary-btn {
  display: inline-block;
  background-color: #00C2FF;
  color: #071824;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: bold;
  transition: 0.3s ease;
}

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

.secondary-btn {
  display: inline-block;
  border: 1px solid #00C2FF;
  color: #00C2FF;
  padding: 14px 28px;
  border-radius: 8px;
  transition: 0.3s ease;
}

.secondary-btn:hover {
  background-color: rgba(0, 194, 255, 0.1);
}






/* =========================
   HEADER
========================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;

  z-index: 1000;

  background: rgba(7, 24, 36, 0.82);

  backdrop-filter: blur(12px);

  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-container {
  width: 100%;
  max-width: 1450px;

  margin: auto;

  padding: 18px 5%;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* LOGO */

.logo-section {
  display: flex;
  align-items: center;
  gap: 14px;

  color: #F5F7FA;
}

.logo-icon {
  width: 48px;
  height: 48px;

  border-radius: 12px;

  background: linear-gradient(
    135deg,
    #00C2FF,
    #123247
  );

  display: flex;
  align-items: center;
  justify-content: center;

  font-weight: bold;
  font-size: 1rem;

  color: white;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.logo-subtitle {
  font-size: 0.78rem;
  color: #A7B6C2;
  margin-top: 2px;
}

/* NAV */

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav a {
  color: #F5F7FA;

  font-size: 0.95rem;
  font-weight: 500;

  position: relative;

  transition: 0.3s ease;
}

.main-nav a:hover {
  color: #00C2FF;
}

.main-nav a::after {
  content: "";

  position: absolute;
  left: 0;
  bottom: -6px;

  width: 0%;
  height: 2px;

  background-color: #00C2FF;

  transition: 0.3s ease;
}

.main-nav a:hover::after {
  width: 100%;
}

/* MOBILE */

.mobile-menu-btn {
  display: none;

  background: none;
  border: none;

  color: white;

  font-size: 2rem;
  cursor: pointer;
}

/* SPACING FIX FOR FIXED HEADER */

body {
  padding-top: 90px;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 900px) {

  .mobile-menu-btn {
    display: block;
  }

  .main-nav {

    position: absolute;

    top: 100%;
    left: 0;

    width: 100%;

    background-color: #071824;

    flex-direction: column;

    padding: 30px 0;

    gap: 24px;

    display: none;
  }

  .main-nav.active {
    display: flex;
  }

  .logo-subtitle {
    display: none;
  }

}

/* =========================
   DROPDOWN
========================= */

.dropdown {
  position: relative;
  display: flex;
  align-items: center;

  height: 100%;
}

.dropdown-btn {
  background: none;
  border: none;

  color: #F5F7FA;

  font-size: 0.95rem;
  font-weight: 500;

  cursor: pointer;

  transition: 0.3s ease;

  padding: 10px 0;
}

.dropdown-btn:hover {
  color: #00C2FF;
}

/* Invisible hover bridge */
.dropdown::after {
  content: "";

  position: absolute;

  top: 100%;
  left: 0;

  width: 100%;
  height: 20px;
}

.dropdown-content {

  position: absolute;

  top: calc(100% + 12px);
  left: 0;

  min-width: 280px;

  background-color: #0B2231;

  border: 1px solid rgba(255,255,255,0.08);

  border-radius: 12px;

  padding: 12px 0;

  display: flex;
  flex-direction: column;

  box-shadow:
    0 10px 30px rgba(0,0,0,0.35);

  overflow: hidden;

  z-index: 999;

  opacity: 0;
  visibility: hidden;

  transform: translateY(10px);

  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.dropdown-content a {

  padding: 14px 20px;

  color: #F5F7FA;

  transition: 0.3s ease;
}

.dropdown-content a:hover {
  background-color: rgba(0,194,255,0.08);
  color: #00C2FF;
}

/* SHOW DROPDOWN */

.dropdown:hover .dropdown-content {

  opacity: 1;
  visibility: visible;

  transform: translateY(0);
}





/* =========================
   FOOTER
========================= */

.site-footer {

  background-color: #05131D;

  border-top: 1px solid rgba(255,255,255,0.06);

  margin-top: 100px;
}

.footer-container {

  max-width: 1450px;

  margin: auto;

  padding: 80px 5% 50px;

  display: grid;
  grid-template-columns: 2fr 1fr 1fr;

  gap: 60px;
}

/* LOGO */

.footer-logo {
  display: flex;
  align-items: center;
  gap: 16px;

  margin-bottom: 24px;
}

.footer-logo-icon {

  width: 54px;
  height: 54px;

  border-radius: 14px;

  background: linear-gradient(
    135deg,
    #00C2FF,
    #123247
  );

  display: flex;
  align-items: center;
  justify-content: center;

  font-weight: bold;

  color: white;
}

.footer-logo h3 {
  margin-bottom: 4px;
}

.footer-logo p {
  color: #A7B6C2;
  font-size: 0.9rem;
}

.footer-description {

  color: #A7B6C2;

  max-width: 450px;

  line-height: 1.8;
}

/* FOOTER LINKS */

.footer-column h4 {

  margin-bottom: 24px;

  color: #F5F7FA;
}

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

.footer-links li {
  margin-bottom: 16px;
}

.footer-links a {

  color: #A7B6C2;

  transition: 0.3s ease;
}

.footer-links a:hover {
  color: #00C2FF;
}

/* BOTTOM */

.footer-bottom {

  border-top: 1px solid rgba(255,255,255,0.06);

  padding: 24px 5%;

  text-align: center;
}

.footer-bottom p {
  color: #6F8797;
  font-size: 0.9rem;
}

/* MOBILE */

@media (max-width: 900px) {

  .footer-container {

    grid-template-columns: 1fr;

    gap: 50px;
  }

}