:root {
  color-scheme: dark;
  --bg: #050910;
  --panel: rgba(9, 21, 35, 0.78);
  --panel-strong: rgba(7, 16, 28, 0.94);
  --line: rgba(155, 184, 214, 0.22);
  --text: #f5f8fb;
  --muted: #a7b3c2;
  --cyan: #00cfff;
  --green: #20c997;
  --violet: #8b5cf6;
  --amber: #f59e0b;
  --shadow: 0 26px 90px rgba(0, 0, 0, 0.42);
  --accent: var(--cyan);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 360ms ease,
    transform 360ms ease;
}

html.is-ready body {
  opacity: 1;
  transform: translateY(0);
}

html.is-leaving body {
  opacity: 0;
  transform: translateY(-8px);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -4;
  background-image: url("selemitor-logo.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  filter: saturate(1.08) contrast(1.1);
  transform: scale(1.08);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 18% 12%, color-mix(in srgb, var(--accent), transparent 78%), transparent 30rem),
    linear-gradient(90deg, rgba(5, 9, 16, 0.98), rgba(5, 9, 16, 0.78) 48%, rgba(5, 9, 16, 0.58)),
    linear-gradient(0deg, rgba(5, 9, 16, 1), rgba(5, 9, 16, 0.1) 58%);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 78px;
  padding: 18px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 9, 16, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid color-mix(in srgb, var(--accent), white 8%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent), transparent 90%);
  color: var(--accent);
  box-shadow: 0 0 30px color-mix(in srgb, var(--accent), transparent 78%);
}

.brand-name {
  white-space: nowrap;
}

.nav {
  justify-self: center;
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(155, 184, 214, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.nav a {
  padding: 9px 11px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.status {
  justify-self: end;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  color: #d5dfeb;
  font-size: 13px;
  font-weight: 780;
}

.page {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 58px);
}

.hero {
  min-height: 56vh;
  display: grid;
  align-items: end;
  padding: 92px 0 70px;
  animation: pageLift 620ms ease both;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 0.92;
  letter-spacing: 0;
}

.lead {
  max-width: 780px;
  margin-bottom: 0;
  color: #d7e2ed;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.66;
}

.section {
  padding: 78px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.68;
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 16px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.22);
  animation: pageLift 680ms ease both;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.card p {
  color: var(--muted);
  line-height: 1.62;
}

.card ul {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.card li {
  color: #dce6f1;
  line-height: 1.45;
}

.card li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 2px;
  background: var(--accent);
  vertical-align: 2px;
}

.module {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.module::after {
  content: attr(data-number);
  position: absolute;
  right: 18px;
  top: 10px;
  color: rgba(245, 248, 251, 0.04);
  font-size: 86px;
  font-weight: 900;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 850;
}

.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #04101c;
}

.form-panel {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.form-panel label {
  display: grid;
  gap: 8px;
  color: #dce6f1;
  font-size: 13px;
  font-weight: 800;
}

.form-panel input,
.form-panel select,
.form-panel textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid rgba(155, 184, 214, 0.28);
  border-radius: 8px;
  background: rgba(5, 9, 16, 0.72);
  color: var(--text);
  outline: none;
}

.form-panel textarea {
  min-height: 110px;
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.embed-panel {
  min-height: 760px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.embed-panel iframe {
  display: block;
  width: 100%;
  min-height: 760px;
  border: 0;
  background: #fff;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@keyframes pageLift {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  body {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: auto auto;
  }

  .nav {
    display: none;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 14px 16px;
  }

  .brand-name {
    display: none;
  }

  .status {
    font-size: 12px;
  }

  .hero {
    min-height: auto;
    padding: 64px 0;
  }

  .button {
    width: 100%;
  }

  .footer {
    flex-direction: column;
  }
}