/* ─── Knack landing — theme mirrors Sources/Knack/Theme.swift ─── */

:root {
  --bg-top:    #0E1224;
  --bg-mid:    #131530;
  --bg-bottom: #170F31;

  --text-primary:   #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.58);
  --text-tertiary:  rgba(255, 255, 255, 0.38);

  --card-fill:        rgba(255, 255, 255, 0.04);
  --card-fill-strong: rgba(255, 255, 255, 0.06);
  --card-stroke:      rgba(255, 255, 255, 0.09);

  --brand-pink:   #FF5189;
  --brand-purple: #C75CEB;
  --brand-blue:   #389EFF;

  --brand-gradient:
    linear-gradient(90deg, var(--brand-pink), var(--brand-purple), var(--brand-blue));
  --brand-gradient-diag:
    linear-gradient(135deg, var(--brand-pink), var(--brand-purple), var(--brand-blue));
  --brand-soft:
    linear-gradient(90deg, rgba(255, 82, 140, 0.22), rgba(56, 158, 255, 0.22));

  --radius-card: 14px;
  --radius-btn:  12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-top);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── background: gradient + soft colored blooms ─── */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 5% 0%,
      rgba(140, 77, 242, 0.22), transparent 52%),
    radial-gradient(circle at 100% 100%,
      rgba(255, 77, 140, 0.18), transparent 56%),
    radial-gradient(circle at 100% 20%,
      rgba(51, 141, 255, 0.12), transparent 46%),
    linear-gradient(135deg,
      var(--bg-top) 0%, var(--bg-mid) 50%, var(--bg-bottom) 100%);
}

/* ─── layout ─── */

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
}

nav.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 8px;
}

nav.top .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

nav.top .brand img {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

nav.top .links {
  display: flex;
  gap: 22px;
}

nav.top a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}
nav.top a:hover { color: var(--text-primary); }

/* ─── hero ─── */

.hero {
  text-align: center;
  padding: 80px 0 64px;
}

.hero .app-icon {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  margin-bottom: 28px;
  filter: drop-shadow(0 16px 40px rgba(199, 92, 235, 0.35))
          drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

.hero .eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 22px;
}

.hero h1 .grad {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
}

/* ─── buttons ─── */

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.btn.primary {
  background: var(--brand-gradient-diag);
  box-shadow:
    0 8px 24px rgba(255, 82, 140, 0.32),
    0 8px 24px rgba(56, 158, 255, 0.22);
}

.btn.primary:hover { transform: translateY(-1px); }
.btn.primary:active { transform: translateY(0) scale(0.98); }

.btn.outline {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
}
.btn.outline:hover { background: rgba(255, 255, 255, 0.09); }

/* ─── section headers ─── */

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}

section h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

section p.lede {
  color: var(--text-secondary);
  margin: 0 0 32px;
  max-width: 620px;
}

/* ─── card grids ─── */

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  position: relative;
  background: var(--card-fill);
  border: 1px solid var(--card-stroke);
  border-radius: var(--radius-card);
  padding: 22px;
  overflow: hidden;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.35s ease;
}

/* Soft glow overlay that fades in on hover, tinted by each tile's accent */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 0% 0%, var(--tile-glow, transparent), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

.card > * { position: relative; z-index: 1; }

.card:hover {
  background: var(--card-fill-strong);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow:
    0 14px 32px rgba(0, 0, 0, 0.28),
    0 0 0 1px var(--tile-ring, rgba(255, 255, 255, 0.08));
}

.card:hover::before { opacity: 0.55; }

.card .tile {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  font-size: 20px;
  transition:
    transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.35s ease,
    border-color 0.25s ease;
}

.card:hover .tile {
  transform: translateY(-1px) scale(1.06) rotate(-3deg);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow:
    0 10px 24px var(--tile-glow, rgba(199, 92, 235, 0.4)),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* ─── tile color variants ─── */

.tile.c-cyan    { background: linear-gradient(135deg, #22D3EE, #3B82F6); }
.tile.c-green   { background: linear-gradient(135deg, #34D399, #10B981); }
.tile.c-red     { background: linear-gradient(135deg, #FB7185, #EF4444); }
.tile.c-amber   { background: linear-gradient(135deg, #FBBF24, #F97316); }
.tile.c-rainbow { background: linear-gradient(135deg, #F472B6 0%, #C084FC 35%, #60A5FA 70%, #34D399 100%); }
.tile.c-indigo  { background: linear-gradient(135deg, #818CF8, #6366F1); }
.tile.c-violet  { background: linear-gradient(135deg, #C084FC, #8B5CF6); }
.tile.c-pink    { background: linear-gradient(135deg, #F472B6, #EC4899); }
.tile.c-teal    { background: linear-gradient(135deg, #2DD4BF, #0EA5E9); }

/* Per-card glow color picked up by ::before + hover shadow */
.card:has(.tile.c-cyan)    { --tile-glow: rgba(59, 130, 246, 0.45); --tile-ring: rgba(59, 130, 246, 0.28); }
.card:has(.tile.c-green)   { --tile-glow: rgba(16, 185, 129, 0.45); --tile-ring: rgba(16, 185, 129, 0.26); }
.card:has(.tile.c-red)     { --tile-glow: rgba(239, 68, 68, 0.45);  --tile-ring: rgba(239, 68, 68, 0.26); }
.card:has(.tile.c-amber)   { --tile-glow: rgba(249, 115, 22, 0.45); --tile-ring: rgba(249, 115, 22, 0.26); }
.card:has(.tile.c-rainbow) { --tile-glow: rgba(192, 132, 252, 0.45); --tile-ring: rgba(192, 132, 252, 0.26); }
.card:has(.tile.c-indigo)  { --tile-glow: rgba(99, 102, 241, 0.45); --tile-ring: rgba(99, 102, 241, 0.26); }
.card:has(.tile.c-violet)  { --tile-glow: rgba(139, 92, 246, 0.45); --tile-ring: rgba(139, 92, 246, 0.26); }
.card:has(.tile.c-pink)    { --tile-glow: rgba(236, 72, 153, 0.45); --tile-ring: rgba(236, 72, 153, 0.26); }
.card:has(.tile.c-teal)    { --tile-glow: rgba(14, 165, 233, 0.45); --tile-ring: rgba(14, 165, 233, 0.26); }
.card:has(.tile.brand)     { --tile-glow: rgba(199, 92, 235, 0.5);  --tile-ring: rgba(199, 92, 235, 0.32); }

.card .tile.brand {
  background: var(--brand-gradient-diag);
  border-color: rgba(255, 255, 255, 0.22);
}

@media (prefers-reduced-motion: reduce) {
  .card, .card .tile, .card::before { transition: none !important; }
  .card:hover { transform: none; }
  .card:hover .tile { transform: none; }
}

.card h3 {
  font-size: 16px;
  margin: 0 0 6px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.card .pro-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--brand-gradient);
  margin-left: 8px;
  vertical-align: middle;
}

/* ─── pricing ─── */

.price-wrap {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
  max-width: 720px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .price-wrap { grid-template-columns: 1fr; }
}

.price {
  background: var(--card-fill);
  border: 1px solid var(--card-stroke);
  border-radius: var(--radius-card);
  padding: 28px;
}

.price.pro {
  background:
    linear-gradient(180deg, rgba(255, 82, 140, 0.10), rgba(56, 158, 255, 0.08)),
    var(--card-fill-strong);
  border-color: rgba(255, 255, 255, 0.16);
  position: relative;
  overflow: hidden;
}

.price.pro::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--brand-gradient);
  mask: linear-gradient(#000, transparent 70%);
  opacity: 0.05;
  pointer-events: none;
}

.price .tier {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.price.pro .tier {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price .amount {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 8px 0 4px;
}

.price .note {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 18px;
}

.price ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.price li {
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.price li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-gradient);
  flex-shrink: 0;
}

/* ─── section spacing ─── */

section {
  padding: 64px 0;
}

section.tight { padding: 40px 0; }

hr.sep {
  border: 0;
  height: 1px;
  background: var(--card-stroke);
  margin: 0;
}

/* ─── footer ─── */

footer {
  padding: 48px 0 36px;
  color: var(--text-tertiary);
  font-size: 13px;
  text-align: center;
}

footer .links {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-bottom: 14px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}
footer a:hover { color: var(--text-primary); }

/* ─── prose (privacy page) ─── */

.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 0 24px;
}

.prose h1 {
  font-size: clamp(32px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.prose .updated {
  color: var(--text-tertiary);
  font-size: 13px;
  margin-bottom: 32px;
}

.prose h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 36px 0 10px;
}

.prose p, .prose li {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15.5px;
  line-height: 1.65;
}

.prose strong { color: var(--text-primary); }

.prose a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(199, 92, 235, 0.6);
  text-underline-offset: 3px;
}

.prose a:hover {
  text-decoration-color: var(--brand-pink);
}