/* Mesh Sentinel · landing page visual refresh */

body {
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.ms-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: var(--sp-8) 0 var(--sp-8);
}

.ms-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  margin-bottom: var(--sp-8);
}

.ms-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.ms-logo img {
  width: min(330px, 56vw);
  height: auto;
  display: block;
}

.ms-nav {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--text-mute);
}

.ms-nav a {
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  background: rgba(8,13,24,0.45);
}

.ms-nav a:hover {
  color: var(--cyan);
  border-color: rgba(79,184,212,0.35);
}

.ms-hero {
  display: grid;
  grid-template-columns: 1fr minmax(380px, 0.86fr);
  gap: var(--sp-9);
  align-items: center;
  margin-bottom: var(--sp-9);
}

.ms-kicker {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body);
  color: var(--text);
  margin-bottom: var(--sp-8);
}

.ms-title {
  font-family: var(--sans);
  font-size: clamp(46px, 6.8vw, 78px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 400;
  color: var(--text);
  max-width: 760px;
  margin-bottom: var(--sp-7);
}

.ms-lede {
  max-width: 620px;
  font-size: var(--fs-body);
  line-height: var(--lh-snug);
  color: var(--text-soft);
  margin-bottom: var(--sp-5);
}

.ms-why {
  color: var(--text-dim);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body);
}

.ms-start-panel {
  min-height: 330px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(8,13,24,0.86), rgba(8,13,24,0.64)),
    rgba(8,13,24,0.8);
  padding: var(--sp-7);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ms-start-label {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-mono-wide);
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--sp-5);
}

.ms-start-title {
  font-size: var(--fs-title);
  line-height: var(--lh-snug);
  font-weight: 500;
  color: var(--text);
  max-width: 360px;
  margin-bottom: var(--sp-4);
}

.ms-start-copy {
  color: var(--text-dim);
  font-size: var(--fs-caption);
  line-height: var(--lh-body);
  max-width: 420px;
}

.ms-step-strip {
  display: grid;
  gap: var(--sp-3);
  margin: var(--sp-6) 0;
}

.ms-mini-step {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: var(--sp-3);
  align-items: start;
  color: var(--text-dim);
  font-size: var(--fs-caption);
  line-height: 1.45;
}

.ms-mini-step span {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 10px;
  background: rgba(79,184,212,0.08);
  border: 1px solid rgba(79,184,212,0.18);
  color: var(--cyan);
}

.ms-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
}

.ms-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 42px;
  padding: 11px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: rgba(8,13,24,0.65);
  color: var(--text);
  text-decoration: none;
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ms-btn.primary {
  background: rgba(79,184,212,0.12);
  border-color: rgba(79,184,212,0.38);
  color: var(--cyan);
  box-shadow: 0 0 24px rgba(79,184,212,0.07);
}

.ms-btn:hover {
  border-color: rgba(79,184,212,0.38);
  color: var(--cyan);
}

.ms-tabs {
  margin-top: var(--sp-10);
}

.ms-tab-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-7);
  align-items: end;
  margin-bottom: var(--sp-5);
}

.ms-tab {
  position: relative;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  font-family: var(--sans);
  font-size: var(--fs-title);
  line-height: var(--lh-tight);
  font-weight: 400;
  padding: 0 0 var(--sp-3);
  cursor: pointer;
}

.ms-tab::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  transition: width 0.18s ease;
}

.ms-tab.active::after {
  width: 150px;
}

.ms-tab-panel {
  display: none;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: rgba(8,13,24,0.58);
  padding: var(--sp-7);
  min-height: 250px;
}

.ms-tab-panel.active {
  display: block;
}

.ms-panel-intro {
  color: var(--text-dim);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body);
  max-width: 900px;
  margin-bottom: var(--sp-7);
}

.ms-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.ms-card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.ms-card-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.ms-card {
  background: rgba(12,18,32,0.82);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  min-height: 150px;
}

.ms-card h3 {
  font-size: var(--fs-subtitle);
  line-height: var(--lh-snug);
  font-weight: 500;
  color: var(--text);
  margin-bottom: var(--sp-3);
}

.ms-card p,
.ms-card li {
  color: var(--text-dim);
  font-size: var(--fs-caption);
  line-height: 1.58;
}

.ms-card ul {
  padding-left: var(--sp-4);
}

.ms-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: rgba(5,8,16,0.45);
  border-radius: var(--r-sm);
}

.ms-flow-step {
  background: rgba(12,18,32,0.82);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-4);
}

.ms-flow-step strong {
  display: block;
  color: var(--text);
  font-size: var(--fs-caption);
  margin-bottom: var(--sp-3);
}

.ms-flow-step p {
  color: var(--text-dim);
  font-size: var(--fs-meta);
  line-height: 1.55;
}

.ms-resource-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}

.ms-resource {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-4);
  align-items: center;
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border2);
}

.ms-resource a {
  color: var(--text);
  text-decoration: none;
}

.ms-resource a:hover {
  color: var(--cyan);
}

.ms-resource span {
  color: var(--text-mute);
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ms-footer {
  margin-top: var(--sp-9);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  color: var(--text-mute);
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .ms-hero {
    grid-template-columns: 1fr;
  }

  .ms-start-panel {
    min-height: auto;
  }

  .ms-tab-list,
  .ms-card-grid,
  .ms-card-grid.three,
  .ms-card-grid.two,
  .ms-flow,
  .ms-resource-list {
    grid-template-columns: 1fr;
  }

  .ms-tab.active::after {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .ms-shell {
    width: min(100% - 32px, 1180px);
    padding-top: var(--sp-6);
  }

  .ms-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .ms-nav {
    flex-wrap: wrap;
  }

  .ms-title {
    font-size: clamp(42px, 14vw, 60px);
  }
}