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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #060a12;
  color: #dce3ef;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection { background: rgba(137, 207, 255, 0.2); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

a { color: #89CFFF; text-decoration: none; transition: 0.2s; }
a:hover { color: #b2ddff; }

/* --- Nav --- */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 14px 0;
  background: rgba(6, 10, 18, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(137, 207, 255, 0.05);
}

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

.logo {
  font-size: 20px; font-weight: 900; letter-spacing: 2px;
  background: linear-gradient(135deg, #89CFFF, #5ba8d9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; gap: 6px; align-items: center; }

.nav-links a {
  color: #5a657c; font-size: 13px; font-weight: 500;
  padding: 6px 14px; border-radius: 8px; transition: 0.2s;
}

.nav-links a:hover { color: #dce3ef; background: rgba(255,255,255,0.03); }

.nav-links a.active {
  color: #89CFFF; background: rgba(137, 207, 255, 0.07);
}

.nav-cta {
  background: #89CFFF !important; color: #060a12 !important; padding: 7px 22px !important;
  border-radius: 100px !important; font-weight: 700 !important; font-size: 13px !important;
  margin-left: 10px; transition: 0.25s !important;
}

.nav-cta:hover {
  transform: scale(1.04);
  box-shadow: 0 0 28px rgba(137, 207, 255, 0.15);
  background: #9bd6ff !important; color: #060a12 !important;
}

/* --- Page Header --- */
.page-header {
  padding: 120px 24px 60px; text-align: center;
}

.page-header .label {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px;
  color: #89CFFF; margin-bottom: 8px;
}

.page-header h1 {
  font-size: 40px; font-weight: 900; letter-spacing: -1px; margin-bottom: 10px;
}

.page-header p {
  color: #5a657c; font-size: 15px; max-width: 480px; margin: 0 auto;
}

/* --- Footer --- */
footer {
  margin-top: auto;
  border-top: 1px solid rgba(137, 207, 255, 0.04);
  padding: 28px 24px; text-align: center;
}

footer p { color: #2f364a; font-size: 12px; }

/* --- Buttons --- */
.btn {
  padding: 12px 32px; border-radius: 100px; font-weight: 700; font-size: 14px;
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: 0.25s; cursor: pointer; border: none;
}

.btn-primary {
  background: #89CFFF; color: #060a12;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(137, 207, 255, 0.2);
  color: #060a12;
}

.btn-outline {
  background: transparent; color: #dce3ef; border: 1px solid rgba(137, 207, 255, 0.15);
}

.btn-outline:hover {
  border-color: #89CFFF; background: rgba(137, 207, 255, 0.04);
}

/* --- Cards --- */
.card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(137, 207, 255, 0.06);
  border-radius: 18px;
  transition: 0.25s;
}

.card:hover {
  border-color: rgba(137, 207, 255, 0.14);
}

/* --- SVG Icon helper --- */
.icon-svg {
  width: 24px; height: 24px; display: inline-block;
  vertical-align: middle; color: #fff;
}

.icon-svg use {
  fill: inherit; stroke: inherit;
  transition: 0.2s;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(2, 4, 8, 0.75);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  padding: 24px;
}

.modal-overlay.show {
  opacity: 1; pointer-events: all;
}

.modal {
  background: #0c1320;
  border: 1px solid rgba(137, 207, 255, 0.1);
  border-radius: 24px;
  padding: 40px;
  max-width: 520px;
  width: 100%;
  position: relative;
  transform: scale(0.92) translateY(12px);
  transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.show .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  border: none; background: rgba(255,255,255,0.04);
  color: #5a657c; font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: 0.2s;
}

.modal-close:hover { background: rgba(255,255,255,0.08); color: #fff; }

.modal .icon-wrap {
  width: 48px; height: 48px; border-radius: 14px;
  background: rgba(137, 207, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.modal .icon-wrap .icon-svg { width: 26px; height: 26px; }

.modal h2 { font-size: 20px; font-weight: 800; margin-bottom: 8px; }

.modal .tag {
  display: inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: #89CFFF; padding: 3px 10px;
  border: 1px solid rgba(137, 207, 255, 0.1); border-radius: 100px;
  margin-bottom: 16px;
}

.modal p { color: #78839c; font-size: 14px; margin-bottom: 12px; line-height: 1.8; }

.modal ul { list-style: none; margin: 12px 0 0; }

.modal ul li {
  font-size: 13px; color: #5a657c; padding: 4px 0;
  display: flex; align-items: center; gap: 8px;
}

.modal ul li::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%; background: #89CFFF; flex-shrink: 0;
}

/* --- Animations --- */
.fade-in {
  opacity: 0; transform: translateY(16px);
  transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .page-header h1 { font-size: 28px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links a.nav-cta { margin-left: 0; }
  .modal { padding: 28px; }
}