:root {
  --ink: #0c0c0d;
  --paper: #ffffff;
  --mist: #f5f5f2;
  --line: #d8d8d3;
  --muted: #5c5c5f;
  --deep: #111111;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
  box-shadow: 0 0 0 5px #111111;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 3000;
  transform: translateY(-140%);
  background: var(--paper);
  color: var(--ink);
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
}

.skip-link:focus {
  transform: translateY(0);
}

.navbar-alpnexa {
  background: rgba(10, 10, 10, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(18px);
}

.navbar-alpnexa .navbar-brand,
.navbar-alpnexa .nav-link {
  color: #ffffff;
}

.navbar-alpnexa .navbar-brand {
  font-size: 1.24rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.navbar-alpnexa .nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
}

.navbar-alpnexa .nav-link:hover,
.navbar-alpnexa .nav-link:focus {
  color: #ffffff;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}

.navbar-toggler-icon {
  filter: invert(1);
}

.nav-login,
.hero-btn,
.contact-actions .btn {
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
}

.navbar-alpnexa .nav-login {
  min-height: 40px;
  padding: 0.52rem 0.92rem;
  font-size: 0.94rem;
  line-height: 1;
}

.hero {
  position: relative;
  min-height: 100vh;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  color: #ffffff;
  overflow: hidden;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.66), rgba(0, 0, 0, 0.36) 46%, rgba(0, 0, 0, 0.08)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0.02) 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-label {
  margin-bottom: 0.85rem;
  color: inherit;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-label {
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(3.6rem, 10vw, 8.75rem);
  font-weight: 760;
  line-height: 0.9;
}

.hero-copy {
  margin-top: 1.5rem;
  max-width: 760px;
  font-size: clamp(1.2rem, 2.2vw, 2rem);
  line-height: 1.28;
}

.hero .hero-btn {
  min-height: 44px;
  padding: 0.62rem 1.05rem;
  font-size: 1rem;
  line-height: 1;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(12px);
}

.metric-strip div {
  min-height: 84px;
  padding: 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.metric-strip div:last-child {
  border-right: 0;
}

.metric-strip strong,
.metric-strip span {
  display: block;
}

.metric-strip strong {
  font-size: 1.25rem;
  line-height: 1.1;
}

.metric-strip span {
  margin-top: 0.35rem;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.84rem;
}

.section-pad {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.section-contrast {
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: clamp(2rem, 4vw, 4.25rem);
  font-weight: 800;
  line-height: 0.96;
  margin-bottom: 1.25rem;
}

.lead {
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.55;
}

.info-card,
.platform-card {
  min-height: 100%;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.info-card {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
}

.card-index {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.info-card h3,
.platform-card h3,
.timeline-item h3 {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.info-card p,
.platform-card p,
.timeline-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.platform-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.platform-card::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2px;
  margin-top: 2rem;
  background: var(--ink);
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item span {
  font-weight: 800;
  color: var(--muted);
}

.contact-band {
  padding: clamp(3rem, 6vw, 5rem) 0;
  color: #ffffff;
  background: var(--deep);
}

.contact-band .section-label,
.contact-band .lead {
  color: rgba(255, 255, 255, 0.72);
}

.contact-actions {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  background: #ffffff;
  border-radius: 6px;
}

.site-footer {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--ink);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.admin-body,
.message-body {
  background: var(--mist);
}

.admin-shell,
.message-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.admin-title,
.message-panel h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 0.98;
}

.admin-section {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.admin-section h2 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  line-height: 1.2;
}

.cms-form .form-control {
  border-color: var(--line);
  border-radius: 6px;
}

.code-area {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
  line-height: 1.45;
}

.message-panel {
  max-width: 760px;
  margin: 10vh auto 0;
}

@media (max-width: 991.98px) {
  .navbar-alpnexa .navbar-collapse {
    padding: 1rem 0;
  }

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

  .metric-strip div:nth-child(2) {
    border-right: 0;
  }

  .metric-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  }
}

@media (max-width: 575.98px) {
  .navbar-alpnexa .navbar-brand {
    font-size: 1.12rem;
  }

  .navbar-alpnexa .nav-login {
    min-height: 38px;
    padding: 0.5rem 0.82rem;
    font-size: 0.92rem;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 18vw, 4.8rem);
  }

  .hero .hero-btn {
    min-height: 42px;
    padding: 0.58rem 0.95rem;
    font-size: 0.96rem;
  }

  .hero-copy {
    font-size: 1.08rem;
  }

  .metric-strip {
    grid-template-columns: 1fr;
  }

  .metric-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  }

  .metric-strip div:last-child {
    border-bottom: 0;
  }

  .info-card,
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}