:root {
  --navy: #06285f;
  --navy-deep: #041f50;
  --cyan: #5de8fa;
  --sky: #20b9ee;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #0068e9;
  color: var(--white);
  font-family: Arial, Helvetica, sans-serif;
}

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

button,
input,
textarea {
  font: inherit;
}

.maintenance-page {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100svh;
  overflow: hidden;
  padding: clamp(18px, 2.4vw, 34px);
  background:
    radial-gradient(circle at 78% 15%, rgba(51, 222, 255, .18), transparent 22%),
    linear-gradient(120deg, #086cae 0%, #0065cd 44%, #0667f0 100%);
}

.maintenance-page::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .23;
  background-image:
    linear-gradient(rgba(94, 229, 255, .18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 229, 255, .18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, transparent 18%, black 60%);
  pointer-events: none;
}

.page-dots {
  position: absolute;
  width: 320px;
  height: 72px;
  opacity: .42;
  background-image: radial-gradient(circle, rgba(255, 255, 255, .65) 2px, transparent 2.6px);
  background-size: 15px 15px;
}

.dots-one {
  top: 0;
  left: 7%;
}

.dots-two {
  right: 3%;
  bottom: 0;
}

.maintenance-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(680px, 1.08fr) minmax(500px, .92fr);
  width: min(1500px, 100%);
  height: min(850px, calc(100svh - clamp(36px, 4.8vw, 68px)));
  min-height: 700px;
  overflow: hidden;
  border: 1px solid rgba(117, 230, 255, .3);
  border-radius: 26px;
  box-shadow: 0 34px 90px rgba(0, 30, 90, .32);
}

.content-panel {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(24px, 2.4vw, 38px) clamp(27px, 2.8vw, 46px) 20px;
  background:
    radial-gradient(circle at 15% 10%, rgba(34, 171, 227, .12), transparent 30%),
    linear-gradient(145deg, rgba(5, 40, 96, .98), rgba(4, 31, 80, .98));
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: block;
  width: clamp(190px, 17vw, 275px);
  flex: 0 0 auto;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.status-chip,
.catalog-link {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  border: 1px solid rgba(93, 232, 250, .35);
  border-radius: 999px;
  background: rgba(10, 75, 131, .38);
  color: #bff8ff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.status-chip {
  gap: 8px;
  padding: 10px 13px;
}

.status-chip > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5cff97;
  box-shadow: 0 0 12px rgba(92, 255, 151, .85);
  animation: pulse 1.8s ease-in-out infinite;
}

.catalog-link {
  gap: 8px;
  padding: 6px 11px 6px 7px;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.catalog-link:hover {
  border-color: var(--cyan);
  background: rgba(32, 185, 238, .22);
  transform: translateY(-1px);
}

.catalog-link > span {
  padding: 4px 6px;
  border-radius: 999px;
  background: var(--cyan);
  color: var(--navy-deep);
  font-size: 8px;
}

.catalog-link b {
  font-size: 12px;
}

.intro {
  margin-top: clamp(16px, 2vh, 24px);
}

.intro h1 {
  margin: 0;
  font-size: clamp(39px, 4.1vw, 63px);
  font-weight: 900;
  letter-spacing: 0;
  line-height: .93;
}

.cyan-rule {
  width: 66px;
  height: 4px;
  margin: 15px 0 12px;
  background: var(--cyan);
}

.intro h2 {
  max-width: 780px;
  margin: 0;
  color: #aff5ff;
  font-size: clamp(16px, 1.55vw, 23px);
  font-weight: 900;
  line-height: 1.2;
}

.mobile-control {
  margin: 8px 0 0;
  color: white;
  font-size: clamp(13px, 1.2vw, 17px);
  font-weight: 900;
}

.intro-copy {
  max-width: 760px;
  margin: 7px 0 0;
  color: rgba(255, 255, 255, .66);
  font-size: clamp(10px, .85vw, 13px);
  line-height: 1.45;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
  margin-top: clamp(13px, 1.7vh, 19px);
}

.feature-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 8px 11px;
  border: 1px solid rgba(101, 226, 251, .23);
  border-radius: 9px;
  background: rgba(27, 82, 143, .48);
}

.feature-number {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(93, 232, 250, .3), rgba(11, 95, 156, .24));
  color: var(--cyan);
  font-size: 10px;
  font-weight: 900;
  box-shadow: 0 0 18px rgba(71, 216, 249, .18);
}

.feature-card h3 {
  margin: 0 0 3px;
  font-size: clamp(11px, .9vw, 14px);
  line-height: 1.1;
}

.feature-card p {
  margin: 0;
  color: rgba(255, 255, 255, .65);
  font-size: clamp(8px, .7vw, 10.5px);
  line-height: 1.3;
}

.contact-box {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 22px;
  margin-top: clamp(13px, 1.7vh, 18px);
  padding: 14px 16px 12px;
  border: 1px solid rgba(101, 226, 251, .27);
  border-radius: 11px;
  background: rgba(2, 31, 78, .6);
}

.contact-details h2 {
  margin: 0 0 10px;
  font-size: 19px;
}

.contact-lines {
  display: grid;
  gap: 8px;
}

.contact-lines > a,
.phone-group {
  display: grid;
  gap: 2px;
}

.contact-lines span {
  color: #9ceffd;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.contact-lines strong,
.phone-group a {
  font-size: 11px;
  font-weight: 800;
}

.compact-form {
  position: relative;
  display: grid;
  align-content: start;
  gap: 7px;
}

.compact-form > p:first-child {
  margin: 0;
  color: rgba(255, 255, 255, .62);
  font-size: 9px;
}

.input-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.message-row {
  display: grid;
  grid-template-columns: 1fr 128px;
  gap: 7px;
}

.compact-form label {
  display: block;
}

.compact-form input,
.compact-form textarea {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 7px;
  outline: none;
  background: #f5f7fa;
  color: #102244;
  font-size: 10px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.compact-form input {
  height: 36px;
  padding: 0 11px;
}

.compact-form textarea {
  display: block;
  min-height: 48px;
  padding: 10px 11px;
  resize: none;
}

.compact-form input:focus,
.compact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(93, 232, 250, .14);
}

.compact-form button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  border: 0;
  border-radius: 7px;
  background: linear-gradient(135deg, #59e4f8, #20afea);
  color: #06295f;
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  transition: filter .2s ease, transform .2s ease;
}

.compact-form button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.form-status {
  position: absolute;
  right: 0;
  bottom: -12px;
  margin: 0;
  color: #8ff3ff;
  font-size: 8px;
}

.panel-footer {
  margin-top: auto;
  padding-top: 10px;
  color: rgba(255, 255, 255, .38);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.panel-footer span {
  margin: 0 5px;
  color: #67e8fa;
}

.visual-panel {
  position: relative;
  min-width: 0;
  background: #0069ed url("assets/mlink-access-control-reference.jpg") right center / auto 138% no-repeat;
}

.visual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 31, 80, .72) 0%, rgba(4, 31, 80, .06) 18%, transparent 42%),
    linear-gradient(0deg, rgba(0, 24, 73, .28), transparent 32%);
}

.visual-chip,
.visual-note {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(124, 235, 255, .4);
  background: rgba(3, 37, 91, .72);
  backdrop-filter: blur(12px);
}

.visual-chip {
  top: 30px;
  right: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  color: #c5f9ff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.visual-chip span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.visual-note {
  right: 30px;
  bottom: 30px;
  display: grid;
  gap: 5px;
  min-width: 235px;
  padding: 15px 18px;
  border-radius: 7px;
}

.visual-note small {
  color: #77ecff;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.visual-note strong {
  font-size: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(.75); opacity: .65; }
}

@media (max-width: 1180px) {
  .maintenance-page {
    overflow: auto;
  }

  .maintenance-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
  }

  .content-panel {
    min-height: 780px;
  }

  .visual-panel {
    min-height: 570px;
    background-size: auto 135%;
  }
}

@media (max-width: 760px) {
  .maintenance-page {
    display: block;
    padding: 12px;
  }

  .maintenance-shell {
    border-radius: 18px;
  }

  .content-panel {
    min-height: 0;
    padding: 25px 18px 18px;
  }

  .panel-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .brand {
    width: 220px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .intro {
    margin-top: 28px;
  }

  .intro h1 {
    font-size: 43px;
  }

  .intro h2 {
    font-size: 19px;
  }

  .mobile-control {
    font-size: 15px;
  }

  .intro-copy {
    font-size: 12px;
  }

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

  .feature-card {
    min-height: 70px;
  }

  .feature-card h3 {
    font-size: 13px;
  }

  .feature-card p {
    font-size: 10px;
  }

  .contact-box {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 18px;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .message-row {
    grid-template-columns: 1fr;
  }

  .compact-form button {
    min-height: 48px;
  }

  .panel-footer {
    margin-top: 22px;
    line-height: 1.6;
  }

  .visual-panel {
    min-height: 430px;
    background-size: auto 120%;
  }

  .visual-chip {
    top: 16px;
    right: 16px;
  }

  .visual-note {
    right: 16px;
    bottom: 16px;
    left: 16px;
    min-width: 0;
  }
}

@media (max-height: 760px) and (min-width: 1181px) {
  .maintenance-shell {
    height: calc(100svh - 28px);
    min-height: 670px;
  }

  .maintenance-page {
    padding: 14px;
  }

  .content-panel {
    padding-top: 24px;
  }

  .intro {
    margin-top: 14px;
  }

  .feature-grid,
  .contact-box {
    margin-top: 11px;
  }

  .feature-card {
    min-height: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}