:root {
  --blue: #0066cc;
  --blue-hover: #0071e3;
  --blue-dark: #2997ff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --soft: #f5f5f7;
  --near-white: #fbfbfd;
  --white: #ffffff;
  --black: #000000;
}

* { box-sizing: border-box; }
html { background: var(--white); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }

.topbar {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 42px;
  padding: 0 24px;
  color: var(--white);
  background: rgba(0, 0, 0, .92);
  backdrop-filter: saturate(180%) blur(20px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.92);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.brand img {
  display: block;
  width: 34px;
  height: 18px;
  object-fit: contain;
}
nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}
nav a {
  color: rgba(255,255,255,.78);
  font-size: 12px;
  line-height: 1;
}
nav a:hover { color: var(--white); }
main { min-height: calc(100vh - 104px); }

.apple-hero,
.apple-tile {
  min-height: 690px;
  padding: 74px 24px 58px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  overflow: hidden;
}
.apple-hero { background: var(--near-white); }
.tile-light { background: var(--white); }
.tile-parchment { background: var(--soft); }
.tile-black {
  background: var(--black);
  color: var(--white);
}
.apple-copy {
  width: min(100%, 900px);
  margin: 0 auto;
}
.hero-logo {
  display: block;
  width: min(56vw, 360px);
  height: auto;
  margin: 0 auto 26px;
  object-fit: contain;
  filter: drop-shadow(0 18px 22px rgba(0,0,0,.10));
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.21;
  font-weight: 600;
}
.tile-black .eyebrow { color: #86868b; }
.apple-copy h1,
.apple-copy h2 {
  margin: 0 auto;
  max-width: 840px;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  font-size: 64px;
  line-height: 1.0625;
  font-weight: 600;
  letter-spacing: 0;
}
.apple-copy h2 { font-size: 56px; }
.apple-copy p:not(.eyebrow) {
  margin: 14px auto 0;
  max-width: 760px;
  color: #1d1d1f;
  font-size: 28px;
  line-height: 1.142;
  font-weight: 400;
}
.tile-black .apple-copy p:not(.eyebrow) {
  color: rgba(255,255,255,.86);
}
.apple-actions {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}
.button-primary,
button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
  font-size: 17px;
  cursor: pointer;
}
.button-primary:hover,
button:hover { background: var(--blue-hover); }
.text-link { color: var(--blue); font-size: 19px; }
.tile-black .text-link { color: var(--blue-dark); }

.device-stage {
  width: 100%;
  margin-top: 46px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.device-stage.compact { margin-top: 38px; }
.hero-device,
.tile-device {
  display: block;
  width: min(52vw, 380px);
  height: min(48vh, 390px);
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 34px 30px rgba(0,0,0,.16));
}
.tile-device {
  width: min(44vw, 330px);
  height: min(42vh, 330px);
}
.tile-black .hero-device,
.tile-black .tile-device {
  filter: drop-shadow(0 32px 30px rgba(255,255,255,.10));
}

.apple-section {
  padding: 28px 24px 90px;
  background: var(--soft);
}
.feature-band { padding-top: 28px; }
.feature-grid,
.grid {
  width: min(100%, 1180px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.card,
.panel,
.stat,
.table-shell {
  background: var(--white);
  border: 0;
  border-radius: 18px;
}
.card {
  min-height: 210px;
  padding: 32px;
  text-align: left;
}
.card h3,
.panel h2,
.table-title h2 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.16;
  font-weight: 600;
}
.muted {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.47;
}

.doc {
  width: min(100%, 900px);
  margin: 0 auto;
  padding: 86px 24px;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
}
.doc h1 {
  margin: 0 0 28px;
  font-size: 48px;
  line-height: 1.1;
}
.doc h2 {
  margin: 34px 0 8px;
  font-size: 24px;
}

.admin-wrap {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 56px 24px 160px;
}
.admin-login {
  min-height: calc(100vh - 104px);
  display: grid;
  place-items: center;
}
.login-panel {
  width: min(100%, 430px);
}
.admin-head {
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}
.admin-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.button-secondary {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--soft);
  font-size: 15px;
}
.button-secondary:hover { background: #e8e8ed; }
.button-mini {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--blue);
  background: #eef6ff;
  font-size: 13px;
}
.button-mini:hover { background: #deefff; }
.admin-head h1,
.login-panel h1 {
  margin: 0;
  font-size: 44px;
  line-height: 1.1;
  font-weight: 600;
}
.stats-row {
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.stat { padding: 24px; }
.stat span {
  color: var(--muted);
  font-size: 14px;
}
.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 34px;
  line-height: 1;
  font-weight: 600;
}
.admin-grid {
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  margin-bottom: 22px;
}
.admin-gap { margin-top: 22px; }
.panel { padding: 28px; }
.secondary {
  background: var(--soft);
  color: var(--ink);
}
.secondary:hover { background: #e8e8ed; }
.danger {
  background: #fff1f1;
  color: #b42318;
}
.danger:hover {
  background: #ffe2e2;
}
label {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}
input,
textarea,
select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--white);
  font-size: 15px;
}
textarea {
  height: 104px;
  border-radius: 12px;
  resize: vertical;
}
.form-row { margin-bottom: 15px; }
.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 14px;
}
.table-shell {
  overflow-x: auto;
  overflow-y: visible;
  padding-bottom: 6px;
}
.table-title {
  padding: 22px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid #f0f0f0;
}
.table-title span {
  color: var(--muted);
  font-size: 14px;
}
table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  background: var(--white);
}
th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid #f5f5f7;
  text-align: left;
  font-size: 14px;
}
th {
  color: var(--muted);
  font-weight: 600;
}
.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--soft);
  font-size: 12px;
}
.badge-active {
  color: #0066cc;
  background: #eef6ff;
}
.error {
  margin-bottom: 14px;
  padding: 12px 14px;
  color: #b42318;
  background: #fff2f2;
  border: 1px solid #ffd5d5;
  border-radius: 12px;
}

footer {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 14px 24px;
  color: var(--muted);
  background: var(--soft);
  border-top: 1px solid #e8e8ed;
  font-size: 12px;
}

@media (max-width: 860px) {
  .topbar {
    justify-content: flex-start;
    gap: 16px;
    overflow-x: auto;
    padding: 0 16px;
  }
  .brand { gap: 6px; font-size: 12px; }
  .brand img { width: 28px; height: 15px; }
  nav { gap: 18px; flex: 0 0 auto; }
  .apple-hero,
  .apple-tile {
    min-height: auto;
    padding: 42px 18px 36px;
  }
  .apple-copy h1 { font-size: 44px; }
  .apple-copy h2 { font-size: 40px; }
  .apple-copy p:not(.eyebrow) {
    font-size: 21px;
    line-height: 1.28;
  }
  .hero-device {
    width: min(78vw, 320px);
    height: 310px;
  }
  .hero-logo {
    width: min(54vw, 180px);
    margin-bottom: 16px;
    filter: drop-shadow(0 10px 14px rgba(0,0,0,.08));
  }
  .tile-device {
    width: min(70vw, 280px);
    height: 270px;
  }
  .feature-grid,
  .grid,
  .stats-row,
  .admin-grid,
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .admin-head,
  .table-title {
    align-items: flex-start;
    flex-direction: column;
  }
  .admin-actions { flex-wrap: wrap; }
  .table-shell { overflow-x: auto; }
  th, td { white-space: nowrap; }
  footer { flex-wrap: wrap; }
}