:root {
  --bg: #02070a;
  --surface: #071016;
  --surface-2: #0b171e;
  --line: rgba(129, 168, 187, 0.22);
  --text: #f3f6f8;
  --muted: #a1adb4;
  --cyan: #02bdf2;
  --green: #31d59b;
  --danger: #ff6673;
  --container: 1320px;
  --header: 76px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}
.container-xl {
  max-width: var(--container);
}
a {
  color: inherit;
}
.skip-link {
  position: fixed;
  z-index: 9999;
  left: 1rem;
  top: -5rem;
  background: #fff;
  color: #000;
  padding: 0.75rem 1rem;
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  height: var(--header);
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 7, 10, 0.72);
  backdrop-filter: blur(14px);
}
.navbar {
  height: 100%;
  padding: 0;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.05;
  text-decoration: none;
}
.navbar-brand img {
  object-fit: contain;
}
.navbar-brand small {
  display: block;
  margin-top: 0.32rem;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-link {
  color: #d6dde1 !important;
  font-size: 0.9rem;
  padding: 0.8rem !important;
}
.nav-link:hover,
.nav-link:focus {
  color: var(--cyan) !important;
}
.navbar-toggler {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.65rem;
}
.navbar-toggler span {
  display: block;
  width: 20px;
  height: 1px;
  background: #fff;
}
.btn {
  border-radius: 2px;
  padding: 0.78rem 1.45rem;
  font-weight: 600;
  font-size: 0.92rem;
}
.btn-primary {
  --bs-btn-bg: #08b8ea;
  --bs-btn-border-color: #08b8ea;
  --bs-btn-color: #001016;
  --bs-btn-hover-bg: #31caf1;
  --bs-btn-hover-border-color: #31caf1;
  box-shadow: 0 0 30px rgba(2, 189, 242, 0.13);
}
.btn-outline-info {
  --bs-btn-color: #0bc6f6;
  --bs-btn-border-color: #0bc6f6;
  --bs-btn-hover-bg: #0bc6f6;
  --bs-btn-hover-color: #001016;
}
.hero {
  min-height: 790px;
  position: relative;
  display: flex;
  align-items: center;
  padding: calc(var(--header) + 64px) 0 64px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #02070a;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #02070a 0%, rgba(2, 7, 10, 0.96) 32%, rgba(2, 7, 10, 0.58) 68%, rgba(2, 7, 10, 0.3) 100%),
    linear-gradient(0deg, rgba(2, 7, 10, 0.72), transparent 45%),
    url("rdg2fa-hero-infrastructure.webp") center / cover no-repeat;
  opacity: 0.72;
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(2, 189, 242, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(2, 189, 242, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, transparent, black 58%, transparent);
}
.hero > .container-xl {
  z-index: 1;
}
.hero-copy {
  max-width: 760px;
  min-width: 0;
}
.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}
.hero h1 {
  font-size: clamp(3.1rem, 5.2vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin: 0 0 1.6rem;
  font-weight: 630;
}
.hero h1 span {
  display: block;
  color: #9aabb4;
}
.hero-lead {
  max-width: 720px;
  color: #bac5cb;
  overflow-wrap: anywhere;
  font-size: 1.12rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  margin-top: 2rem;
}
.text-link {
  color: var(--cyan);
  font-weight: 600;
  text-decoration: none;
}
.text-link:hover {
  text-decoration: underline;
}
.hero-facts {
  display: flex;
  gap: 2.6rem;
  list-style: none;
  padding: 0;
  margin: 3.3rem 0 0;
}
.hero-facts li {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  padding-left: 1rem;
}
.hero-facts strong {
  font-size: 1rem;
}
.hero-facts span {
  color: var(--muted);
  font-size: 0.76rem;
}
.access-panel {
  position: relative;
  border: 1px solid rgba(2, 189, 242, 0.38);
  background: linear-gradient(
    145deg,
    rgba(11, 25, 33, 0.95),
    rgba(4, 11, 15, 0.97)
  );
  padding: 1.35rem;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
}
.access-panel:before {
  content: "";
  position: absolute;
  inset: 12px -13px -13px 12px;
  border: 1px solid rgba(2, 189, 242, 0.12);
  z-index: -1;
}
.panel-top {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.panel-top small {
  margin-left: auto;
  color: var(--muted);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.identity-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.25rem 0;
}
.identity-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 700;
}
.identity-row > div:nth-child(2) {
  display: flex;
  flex-direction: column;
}
.identity-row span {
  color: var(--muted);
  font-size: 0.78rem;
}
.risk-ok {
  margin-left: auto !important;
  color: var(--green) !important;
}
.connection-data {
  margin: 0;
  border-top: 1px solid var(--line);
}
.connection-data div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.68rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
}
.connection-data dt {
  color: var(--muted);
  font-weight: 400;
}
.connection-data dd {
  margin: 0;
  text-align: right;
}
.messenger-choice {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  font-size: 0.82rem;
}
.messenger-choice span {
  color: var(--muted);
}
.messenger-choice strong {
  color: var(--cyan);
}
.decision-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}
.decision {
  padding: 0.72rem;
  text-align: center;
  border: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 600;
}
.approve {
  border-color: rgba(49, 213, 155, 0.45);
  color: var(--green);
}
.deny {
  color: #ff9aa3;
}
.panel-result {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(49, 213, 155, 0.08);
  border-left: 2px solid var(--green);
}
.panel-result > span {
  color: var(--green);
  font-size: 1.5rem;
}
.panel-result div {
  display: flex;
  flex-direction: column;
}
.panel-result small {
  color: var(--muted);
  font-size: 0.72rem;
}
.signal-strip {
  background: #050c10;
  border-bottom: 1px solid var(--line);
}
.signal {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.45rem 2rem;
  border-right: 1px solid var(--line);
}
.signal:first-child {
  padding-left: 0;
}
.signal:last-child {
  border: 0;
}
.signal > span {
  color: var(--cyan);
  font-size: 0.75rem;
}
.signal div {
  display: flex;
  flex-direction: column;
}
.signal strong {
  font-size: 0.86rem;
}
.signal small {
  color: var(--muted);
  font-size: 0.72rem;
}
.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}
.section-head {
  margin-bottom: 2.7rem;
}
.section h2,
.contact-band h2 {
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0;
}
.section-head p:last-child,
.requirements p,
.contact-band p {
  color: var(--muted);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.feature-grid article {
  min-height: 245px;
  padding: 1.8rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(
    135deg,
    rgba(10, 24, 31, 0.62),
    rgba(3, 10, 14, 0.45)
  );
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}
.feature-grid article:hover {
  background: rgba(8, 30, 40, 0.72);
  border-color: rgba(2, 189, 242, 0.45);
}
.feature-grid span,
.flow-list > li > span {
  color: var(--cyan);
  font-size: 0.78rem;
}
.feature-grid h3 {
  font-size: 1.25rem;
  margin: 2.8rem 0 0.65rem;
}
.feature-grid p {
  color: #aeb9bf;
  font-size: 0.88rem;
  margin: 0;
}
.workflow {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 45%, rgba(2, 189, 242, 0.08), transparent 30%),
    #050c10;
}
.workflow-layout {
  padding-top: 2rem;
}
.workflow-visual {
  position: sticky;
  top: calc(var(--header) + 28px);
  margin: 0;
  border: 1px solid rgba(2, 189, 242, 0.38);
  background: #071219;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
}
.workflow-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
}
.workflow-visual figcaption {
  padding: 1.15rem 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}
.workflow-visual figcaption span {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.flow-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.flow-list li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 1.2rem;
  padding: 1.45rem 0;
  border-top: 1px solid var(--line);
}
.flow-list h3 {
  font-size: 1.08rem;
  margin: 0 0 0.35rem;
}
.flow-list p {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
  max-width: 720px;
}
.edition-card {
  height: 100%;
  padding: 1.8rem;
  border: 1px solid var(--line);
  background: var(--surface);
}
.edition-card.featured {
  border-color: rgba(2, 189, 242, 0.6);
  box-shadow: inset 0 2px 0 var(--cyan);
}
.edition-name {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.edition-card h3 {
  font-size: 2rem;
  margin: 0.4rem 0 1rem;
}
.edition-card > p:not(.edition-name),
.edition-card li {
  color: var(--muted);
  font-size: 0.86rem;
}
.edition-card ul {
  min-height: 112px;
  padding-left: 1.15rem;
}
.edition-card a,
.card-action {
  color: var(--cyan);
  font-size: 0.86rem;
  text-decoration: none;
}
.card-action {
  appearance: none;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}
.card-action:hover,
.card-action:focus {
  text-decoration: underline;
}
.requirements {
  background: radial-gradient(
    circle at 10% 50%,
    rgba(2, 189, 242, 0.08),
    transparent 28%
  );
}
.requirements-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.requirements-list li {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}
.requirements-list span {
  color: var(--muted);
}
.requirements-list strong {
  text-align: right;
}
.contact-band {
  padding: 68px 0;
  background: #061118;
  border-bottom: 1px solid var(--line);
}
.contact-band p:last-child {
  margin: 0.65rem 0 0;
}
.modal-backdrop.show {
  opacity: 0.78;
}
.modal-content {
  border: 1px solid rgba(2, 189, 242, 0.38);
  border-radius: 2px;
  background: linear-gradient(145deg, #0b1921, #050c10);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.65);
}
.modal-header,
.modal-footer {
  padding: 1.35rem 1.5rem;
  border-color: var(--line);
}
.modal-title {
  font-size: 1.65rem;
}
.modal-body {
  padding: 1.5rem;
}
.btn-close {
  filter: invert(1) grayscale(1);
  opacity: 0.75;
}
.form-intro {
  margin: 0 0 1.25rem;
  color: var(--muted);
}
.form-label {
  color: #dce5e9;
  font-size: 0.82rem;
}
.form-control {
  min-height: 46px;
  border: 1px solid rgba(129, 168, 187, 0.34);
  border-radius: 2px;
  background: #071219;
  color: var(--text);
}
.form-control:focus {
  border-color: var(--cyan);
  background: #071219;
  color: var(--text);
  box-shadow: 0 0 0 0.2rem rgba(2, 189, 242, 0.13);
}
textarea.form-control {
  resize: vertical;
}
.form-check-input {
  border-color: rgba(129, 168, 187, 0.5);
  border-radius: 2px;
  background-color: #071219;
}
.form-check-input:checked {
  border-color: var(--cyan);
  background-color: var(--cyan);
}
.form-check-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 0.2rem rgba(2, 189, 242, 0.13);
}
.contact-alert {
  margin-bottom: 1.15rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid;
}
.contact-alert.is-success {
  border-color: var(--green);
  background: rgba(49, 213, 155, 0.08);
  color: #a8f2d5;
}
.contact-alert.is-error {
  border-color: var(--danger);
  background: rgba(255, 102, 115, 0.08);
  color: #ffc0c6;
}
.btn-outline-secondary {
  --bs-btn-color: #c2ccd1;
  --bs-btn-border-color: rgba(129, 168, 187, 0.4);
  --bs-btn-hover-bg: #15242c;
  --bs-btn-hover-border-color: #607784;
}
footer {
  padding: 1.2rem 0;
  color: #7f8c93;
  font-size: 0.76rem;
}
@media (max-width: 991.98px) {
  .site-header {
    height: auto;
    min-height: var(--header);
  }
  .navbar-collapse {
    margin-top: 1rem;
    padding: 1rem;
    background: #071016;
    border: 1px solid var(--line);
  }
  .hero {
    min-height: auto;
    padding-top: 140px;
  }
  .hero::before {
    background-position: 64% center;
    opacity: 0.46;
  }
  .workflow-visual {
    position: static;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .signal:first-child {
    padding-left: 2rem;
  }
}
@media (max-width: 767.98px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  .hero-facts {
    gap: 1rem;
    justify-content: space-between;
  }
  .signal {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 62px 0;
  }
  .requirements-list li {
    display: block;
  }
  .requirements-list strong {
    display: block;
    margin-top: 0.25rem;
    text-align: left;
  }
}
@media (max-width: 575.98px) {
  body {
    font-size: 15px;
  }
  .container-xl {
    padding-inline: 20px;
  }
  .hero {
    padding-top: 120px;
  }
  .hero h1 {
    font-size: 2.35rem;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-facts {
    flex-direction: column;
    margin-top: 2.2rem;
  }
  .access-panel {
    padding: 1rem;
  }
  .connection-data div {
    display: block;
  }
  .connection-data dd {
    text-align: left;
    margin-top: 0.2rem;
  }
  .feature-grid article {
    min-height: auto;
  }
  .flow-list li {
    grid-template-columns: 40px 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}