/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ---- Tokens ---- */
:root {
  --bg:             #0D1A28;
  --surface:        #162436;
  --surface-raised: #1D2F47;
  --border:         #2A4060;
  --border-muted:   #1A2D42;
  --gold:           #C8A45A;
  --gold-dim:       rgba(200, 164, 90, 0.10);
  --gold-border:    rgba(200, 164, 90, 0.35);
  --text:           #E0E8F5;
  --text-muted:     #7A90B0;
  --text-faint:     #2A3D58;
  --green:          #4CAF82;
  --red:            #CF6679;
  --mono:           'JetBrains Mono', monospace;
  --sans:           'Space Grotesk', sans-serif;
}

/* ---- Base ---- */
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }
button:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---- Layout ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 768px) { .container { padding: 0 20px; } }

/* ---- Site nav ---- */
.site-nav {
  border-bottom: 1px solid var(--border-muted);
  padding: 20px 0;
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.015em;
  user-select: none;
}
.logo-dot { color: var(--gold); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}
.nav-actions a {
  color: var(--text-muted);
  transition: color 0.15s;
}
.nav-actions a:hover { color: var(--text); text-decoration: none; }
.nav-vault-id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--gold);
  color: #0D1A28;
  border: none;
  padding: 12px 26px;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  letter-spacing: -0.01em;
  display: inline-block;
}
.btn-primary:hover { background: #D4B06A; }

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 14px;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--text); }

/* ============================================================
   LANDING
   ============================================================ */
.hero { padding: 80px 0 100px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
}

.beta-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-heading {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 20px;
}
@media (max-width: 1100px) { .hero-heading { font-size: 42px; } }
@media (max-width: 768px) { .hero-heading { font-size: 34px; } }

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 420px;
  margin-bottom: 36px;
  font-weight: 400;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.cta-note { font-size: 13px; color: var(--text-muted); }

/* Product preview card */
.preview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 13px;
}
.preview-card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.preview-vault-id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}
.preview-active {
  font-size: 12px;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 5px;
}
.preview-active::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}
.preview-snap {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-muted);
}
.preview-snap:last-child { border-bottom: none; }
.preview-snap-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.preview-snap-time { font-size: 12px; color: var(--text-muted); }
.preview-snap-time strong { color: var(--text); font-weight: 500; }
.preview-snap-tag {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface-raised);
  padding: 2px 8px;
  border-radius: 100px;
}
.preview-diff-rows { display: flex; flex-direction: column; gap: 2px; }
.preview-diff-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
}
.diff-name { color: var(--text); }
.diff-stats { display: flex; gap: 8px; }
.diff-add { color: var(--green); }
.diff-rem { color: var(--red); }

/* How it works */
.how-section {
  padding: 72px 0 80px;
  border-top: 1px solid var(--border-muted);
}
.how-label { font-size: 13px; color: var(--text-muted); margin-bottom: 44px; }
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
@media (max-width: 768px) { .how-steps { grid-template-columns: 1fr; gap: 28px; } }
.step-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
  margin-bottom: 10px;
}
.step-title { font-size: 15px; font-weight: 600; margin-bottom: 7px; }
.step-desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; max-width: 260px; }
.step-download-link { font-size: 13px; color: var(--gold); display: inline-block; margin-top: 12px; }
.step-download-link:hover { text-decoration: underline; }

.landing-footer { padding: 28px 0; border-top: 1px solid var(--border-muted); }
.landing-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-text { font-size: 13px; color: var(--text-muted); }

/* ============================================================
   VAULT CREATED
   ============================================================ */
.created-wrap {
  padding: 72px 0 80px;
  max-width: 560px;
}
.created-heading {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.created-sub {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 480px;
  margin-bottom: 36px;
}

.key-reveal {
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  border-radius: 6px;
  padding: 22px;
  margin-bottom: 20px;
}
.key-reveal-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}
.key-reveal-warning {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.55;
}
.copy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 11px 14px;
}
.copy-row code {
  font-family: var(--mono);
  font-size: 12px;
  flex: 1;
  word-break: break-all;
  line-height: 1.6;
}
.key-reveal .copy-row code { color: var(--gold); }
.vault-id-row .copy-row code { color: var(--text); }

.btn-copy {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}
.btn-copy:hover { border-color: var(--gold); color: var(--text); }

.vault-id-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 22px;
  margin-bottom: 28px;
}
.vault-id-row-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 500;
}
.created-next { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   LOGIN
   ============================================================ */
.login-wrap {
  min-height: calc(100vh - 62px);
  display: flex;
  align-items: center;
}
.login-content { max-width: 420px; width: 100%; padding: 60px 0; }
.login-heading {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.login-sub {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 360px;
}
.form-field { margin-bottom: 24px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 7px;
}
.form-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 11px 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.form-input::placeholder { color: var(--text-faint); }
.form-input:focus { border-color: var(--gold); }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.form-error {
  font-size: 13px;
  color: var(--red);
  margin-bottom: 20px;
}
.login-alt { font-size: 13px; color: var(--text-muted); margin-top: 18px; }
.login-alt a { color: var(--gold); }

/* ============================================================
   VAULT DASHBOARD
   ============================================================ */
.vault-wrap { padding: 44px 0 80px; }
.vault-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.vault-page-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.vault-page-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.meta-active {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
}
.meta-active::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
}
.vault-last-backup { font-size: 13px; color: var(--text-muted); padding-top: 4px; }
.vault-last-backup strong { color: var(--text); font-weight: 500; }

/* Snapshot list */
.snap-list {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.snap-item {
  border-bottom: 1px solid var(--border-muted);
  cursor: pointer;
  transition: background 0.1s;
}
.snap-item:last-child { border-bottom: none; }
.snap-item:hover { background: rgba(255,255,255,0.015); }
.snap-item.open { background: var(--surface); }

.snap-item-header {
  padding: 15px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.snap-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
}
.snap-item:first-child .snap-dot {
  background: var(--gold);
  border-color: var(--gold);
}
.snap-item-info { flex: 1; min-width: 0; }
.snap-item-time { font-size: 14px; font-weight: 500; }
.snap-item-desc { font-size: 13px; color: var(--text-muted); margin-top: 1px; }
.snap-item-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.snap-file-count { font-size: 12px; color: var(--text-muted); }
.snap-chevron {
  color: var(--text-muted);
  font-size: 10px;
  transition: transform 0.18s;
  line-height: 1;
}
.snap-item.open .snap-chevron { transform: rotate(90deg); }

.snap-detail {
  display: none;
  padding: 0 20px 20px 44px;
}
.snap-item.open .snap-detail { display: block; }

.snap-commit {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 10px 0;
  margin-bottom: 10px;
  border-top: 1px solid var(--border-muted);
  border-bottom: 1px solid var(--border-muted);
}
.snap-files { display: flex; flex-direction: column; gap: 1px; }
.snap-file {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  padding: 5px 0;
  align-items: baseline;
}
.snap-file-name { font-family: var(--mono); font-size: 12px; color: var(--text); }
.snap-file-addon { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.snap-file-stat {
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
  text-align: right;
}
.snap-file-stat .a { color: var(--green); }
.snap-file-stat .r { color: var(--red); }
.snap-file-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 10px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.badge-new {
  background: rgba(76, 175, 130, 0.12);
  color: var(--green);
  border: 1px solid rgba(76, 175, 130, 0.35);
}
.badge-del {
  background: rgba(207, 102, 121, 0.12);
  color: var(--red);
  border: 1px solid rgba(207, 102, 121, 0.35);
}

.snap-actions {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.snap-restore-note { font-size: 12px; color: var(--text-muted); }
.btn-restore {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 20px;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn-restore:hover { border-color: var(--gold); background: var(--gold-dim); }

/* ============================================================
   DOWNLOAD PAGE
   ============================================================ */
.download-section { padding: 72px 0 100px; }
.download-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.download-heading {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.version-badge {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  padding: 3px 10px;
  border-radius: 100px;
}
.download-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 44px;
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 760px;
}
@media (max-width: 768px) { .download-grid { grid-template-columns: 1fr; } }

.download-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 22px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.download-card:hover {
  border-color: var(--gold);
  background: var(--surface-raised);
  text-decoration: none;
}
.download-platform-icon {
  color: var(--text-muted);
  line-height: 1;
}
.download-platform-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}
.download-platform-name {
  font-size: 15px;
  font-weight: 600;
}
.download-platform-arch {
  font-size: 12px;
  color: var(--text-muted);
}
.download-ext {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  align-self: flex-end;
}
.download-checksum-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 24px;
}
.download-unavailable {
  font-size: 15px;
  color: var(--text-muted);
  padding: 32px 0;
}