:root {
  --bg-soft: #f4f8ff;
  --ink: #1f2937;
  --muted: #6b7280;
  --primary: #2155ff;
  --primary-dark: #173fd1;
  --surface: #ffffff;
  --border: #e5e7eb;
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #eef4ff 10%, #f7f9fc 40%, #ffffff 100%);
  margin: 0;
  overflow-x: hidden;
  position: relative;
}

body > *:not(.page-decor) {
  position: relative;
  z-index: 1;
}

.page-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.decor {
  position: absolute;
}

.decor-orbit {
  width: 36rem;
  height: 36rem;
  top: -14rem;
  left: -11rem;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0) 59%, rgba(126, 211, 235, 0.18) 60%, rgba(126, 211, 235, 0.18) 62%, rgba(255, 255, 255, 0) 63%),
    repeating-conic-gradient(from 0deg, rgba(33, 85, 255, 0.16) 0deg 3deg, rgba(33, 85, 255, 0) 3deg 8deg);
  filter: blur(0.2px);
}

.decor-dots {
  width: 30rem;
  height: 30rem;
  right: -6rem;
  top: 5rem;
  opacity: 0.4;
  background-image: radial-gradient(circle, rgba(88, 191, 223, 0.7) 0.18rem, transparent 0.21rem);
  background-size: 2rem 2rem;
  -webkit-mask-image: radial-gradient(circle at bottom left, transparent 15%, rgba(0, 0, 0, 0.92) 72%);
  mask-image: radial-gradient(circle at bottom left, transparent 15%, rgba(0, 0, 0, 0.92) 72%);
}

.decor-network {
  width: 62rem;
  height: 20rem;
  left: -6rem;
  bottom: -3rem;
  opacity: 0.32;
  background:
    linear-gradient(26deg, transparent 41%, rgba(36, 93, 177, 0.75) 41.5%, rgba(36, 93, 177, 0.75) 42%, transparent 42.5%),
    linear-gradient(152deg, transparent 34%, rgba(120, 177, 255, 0.74) 34.4%, rgba(120, 177, 255, 0.74) 35%, transparent 35.4%),
    linear-gradient(8deg, transparent 61%, rgba(36, 93, 177, 0.7) 61.4%, rgba(36, 93, 177, 0.7) 62%, transparent 62.4%),
    linear-gradient(128deg, transparent 55%, rgba(120, 177, 255, 0.7) 55.3%, rgba(120, 177, 255, 0.7) 56%, transparent 56.3%);
  border-top: 2px solid rgba(36, 93, 177, 0.45);
}

.decor-network::before,
.decor-network::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.decor-network::before {
  width: 0.9rem;
  height: 0.9rem;
  left: 20%;
  top: 48%;
  box-shadow:
    7rem -1.3rem 0 rgba(36, 93, 177, 0.9),
    13.8rem 1.3rem 0 rgba(131, 190, 255, 0.8),
    23rem -0.8rem 0 rgba(36, 93, 177, 0.9),
    31rem 2rem 0 rgba(131, 190, 255, 0.8),
    44rem -2rem 0 rgba(36, 93, 177, 0.9);
  background: rgba(36, 93, 177, 0.95);
}

.decor-network::after {
  width: 0.7rem;
  height: 0.7rem;
  left: 6%;
  top: 65%;
  box-shadow:
    6rem 2.2rem 0 rgba(131, 190, 255, 0.82),
    17rem -1.2rem 0 rgba(36, 93, 177, 0.86),
    28rem 1.8rem 0 rgba(36, 93, 177, 0.82),
    38rem -2.8rem 0 rgba(131, 190, 255, 0.8),
    50rem -0.2rem 0 rgba(36, 93, 177, 0.86);
  background: rgba(131, 190, 255, 0.82);
}

.main-content {
  padding: 2rem 0 3rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(8px);
  background: rgba(247, 250, 255, 0.95);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.site-header .navbar {
  padding: 1rem 0;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo {
  width: 3.8rem;
  height: 3.8rem;
  object-fit: contain;
  transform: scale(1.80);
  transform-origin: center;
}

.brand-name {
  color: var(--ink);
}

.brand-mark {
  display: inline-block;
  color: var(--surface);
  background: linear-gradient(135deg, var(--primary), #5a8bff);
  border-radius: 0.5rem;
  padding: 0.2rem 0.45rem;
  margin-right: 0.35rem;
}

.nav-link {
  color: #374151;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary);
}

.hero-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #f7faff, #ffffff);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 20px 35px -25px rgba(15, 23, 42, 0.45);
}

.hero-bg-glow {
  position: absolute;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  top: -8rem;
  right: -6rem;
  background: radial-gradient(circle, rgba(33, 85, 255, 0.2), transparent 70%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-dark);
  background-color: #eaf0ff;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}

.hero-card,
.feature-card,
.form-card,
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.4rem;
  box-shadow: 0 16px 30px -25px rgba(30, 41, 59, 0.6);
}

.metric-list {
  margin: 1rem 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.metric-grid article {
  background: #f8faff;
  border-radius: 0.8rem;
  padding: 0.75rem;
  text-align: center;
}

.metric-grid h3 {
  color: var(--primary-dark);
  font-size: 1.1rem;
  margin: 0;
}

.metric-grid p {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
}

.section-block {
  margin-top: 2.5rem;
}

.section-heading {
  margin-bottom: 1.2rem;
}

.section-heading h2 {
  font-size: 1.8rem;
  margin: 0;
}

.section-heading p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.feature-card h3,
.feature-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

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

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-grid article {
  background: linear-gradient(165deg, #ffffff, #f8faff);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
}

.timeline-grid h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

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

.cta-strip {
  margin-top: 2.5rem;
  background: linear-gradient(135deg, #1f4ef5, #3f74ff);
  color: #ffffff;
  border-radius: 1.2rem;
  padding: 2rem;
}

.page-intro {
  max-width: 52rem;
}

.form-card .form-control,
.auth-card .form-control {
  border-radius: 0.7rem;
  border-color: #d4d9e2;
}

.form-card .form-control:focus,
.auth-card .form-control:focus,
.form-check-input:focus {
  border-color: #8ea8ff;
  box-shadow: 0 0 0 0.2rem rgba(33, 85, 255, 0.18);
}

.auth-section {
  min-height: calc(100vh - 18rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 30rem;
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  margin-top: 2rem;
  padding: 1.1rem 0;
  font-size: 0.9rem;
  color: #64748b;
  background-color: #f8fbff;
}

@media (max-width: 991px) {
  .decor-orbit {
    width: 28rem;
    height: 28rem;
    top: -12rem;
    left: -13rem;
  }

  .decor-dots {
    width: 20rem;
    height: 20rem;
    right: -8rem;
    top: 9rem;
  }

  .decor-network {
    width: 45rem;
    height: 14rem;
    bottom: -2.5rem;
    opacity: 0.2;
  }

  .hero-section {
    padding: 1.5rem;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
  }
}