/* ============================================================
   Cumulus website — dark aurora, cloud-native, premium editorial
   ============================================================ */
:root {
  --ink: #070b14;
  --ink-2: #0b1120;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-2: rgba(255, 255, 255, 0.16);
  --text: #eaf0f7;
  --muted: #909bb0;
  --faint: #5a637733;
  --mint: #5eead4;
  --peri: #818cf8;
  --sky: #7dd3fc;
  --grad: linear-gradient(120deg, #5eead4 0%, #7dd3fc 50%, #818cf8 100%);
  --grad-soft: linear-gradient(135deg, rgba(94,234,212,.14), rgba(129,140,248,.14));
  --maxw: 1080px;
  --shadow: 0 30px 60px -30px rgba(0,0,0,.75);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Satoshi", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--ink);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
em { font-style: normal; }

/* atmosphere */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg::before, .bg::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(110px); opacity: .35;
}
.bg::before { width: 600px; height: 600px; top: -200px; left: -150px;
  background: radial-gradient(circle, #2dd4bf, transparent 70%); }
.bg::after { width: 700px; height: 700px; top: 200px; right: -250px;
  background: radial-gradient(circle, #6366f1, transparent 70%); }
.grain { position: fixed; inset: 0; z-index: -1; opacity: .03; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- nav ---------- */
nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
  background: rgba(7,11,20,.6); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-family: "Clash Display", sans-serif;
  font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.brand .dot { width: 28px; height: 28px; border-radius: 9px; background: var(--grad);
  display: grid; place-items: center; box-shadow: inset 0 1px 0 rgba(255,255,255,.4); }
.brand .dot svg { display: block; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14.5px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-cta { color: #06231f !important; background: var(--grad); padding: 9px 16px; border-radius: 10px;
  font-weight: 700; font-size: 14px; box-shadow: inset 0 1px 0 rgba(255,255,255,.4); transition: filter .2s; }
.nav-cta:hover { filter: brightness(1.07); }
@media (max-width: 720px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 15.5px;
  padding: 14px 26px; border-radius: 13px; cursor: pointer; border: none; font-family: inherit;
  transition: transform .12s, filter .2s, box-shadow .25s; }
.btn-primary { color: #06231f; background: var(--grad);
  box-shadow: 0 16px 34px -14px rgba(94,234,212,.55), inset 0 1px 0 rgba(255,255,255,.45); }
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-2px); }
.btn-ghost { color: var(--text); background: var(--panel); border: 1px solid var(--border-2); }
.btn-ghost:hover { background: var(--panel-2); transform: translateY(-2px); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 96px 0 70px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--mint);
  background: var(--grad-soft); border: 1px solid var(--border-2); padding: 6px 14px; border-radius: 99px;
  margin-bottom: 26px; }
.hero h1 { font-family: "Clash Display", sans-serif; font-weight: 700; font-size: clamp(40px, 7vw, 74px);
  line-height: 1.02; letter-spacing: -.03em; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { font-size: clamp(16px, 2.2vw, 20px); color: var(--muted); max-width: 580px;
  margin: 22px auto 36px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--faint); color: #6b7488; }

/* product mock */
.mock { max-width: 920px; margin: 60px auto 0; position: relative; }
.mock-frame { border: 1px solid var(--border-2); border-radius: 22px; overflow: hidden;
  background: linear-gradient(180deg, #0d1424, #0a0f1c); box-shadow: var(--shadow); }
.mock-bar { display: flex; gap: 7px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.mock-bar span { width: 11px; height: 11px; border-radius: 50%; background: #2a3346; }
.mock-body { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; padding: 40px; }
@media (max-width: 700px){ .mock-body { grid-template-columns: 1fr; } }
.mock-flow { display: flex; flex-direction: column; gap: 14px; }
.flow-step { display: flex; align-items: center; gap: 13px; padding: 14px 16px; border-radius: 13px;
  background: var(--panel); border: 1px solid var(--border); }
.flow-step .n { width: 28px; height: 28px; flex: none; border-radius: 8px; background: var(--grad-soft);
  color: var(--mint); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.flow-step.dropped { opacity: .4; }
.flow-step.dropped .label s { color: #ef7676; }
.flow-arrow { text-align: center; color: var(--mint); font-size: 18px; }
.mock-drive { border: 1px dashed var(--border-2); border-radius: 16px; padding: 22px;
  background: var(--grad-soft); display: flex; flex-direction: column; gap: 10px; }
.mock-drive h4 { font-size: 13px; color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.drive-file { display: flex; align-items: center; gap: 10px; font-size: 13.5px; background: rgba(0,0,0,.25);
  padding: 9px 12px; border-radius: 10px; }

/* ---------- sections ---------- */
section.block { padding: 72px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 50px; }
.section-head h2 { font-family: "Clash Display", sans-serif; font-weight: 600; font-size: clamp(28px,4vw,42px);
  letter-spacing: -.02em; }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 16.5px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 820px){ .grid { grid-template-columns: 1fr; } }
.feature { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 26px;
  transition: transform .2s, border-color .2s; }
.feature:hover { transform: translateY(-4px); border-color: var(--border-2); }
.feature .ico { width: 46px; height: 46px; border-radius: 13px; background: var(--grad-soft);
  border: 1px solid var(--border-2); display: grid; place-items: center; font-size: 22px; margin-bottom: 16px; }
.feature h3 { font-size: 18px; margin-bottom: 8px; letter-spacing: -.01em; }
.feature p { color: var(--muted); font-size: 14.5px; }

/* honesty callout */
.callout { max-width: 760px; margin: 0 auto; background: var(--panel); border: 1px solid var(--border);
  border-left: 3px solid var(--mint); border-radius: 14px; padding: 22px 26px; }
.callout strong { color: var(--mint); }
.callout p { color: var(--muted); font-size: 15px; }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 760px; margin: 0 auto; }
@media (max-width: 700px){ .price-grid { grid-template-columns: 1fr; } }
.plan { background: var(--panel); border: 1px solid var(--border); border-radius: 22px; padding: 34px; position: relative; }
.plan.pro { border: 1px solid transparent; background:
  linear-gradient(var(--ink-2),var(--ink-2)) padding-box, var(--grad) border-box;
  box-shadow: var(--shadow); }
.plan .tier { font-size: 14px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.plan .pop { position: absolute; top: 20px; right: 22px; font-size: 11px; font-weight: 700; color: #06231f;
  background: var(--grad); padding: 4px 10px; border-radius: 99px; }
.plan .price { font-family: "Clash Display", sans-serif; font-size: 46px; font-weight: 700; margin: 14px 0 2px; letter-spacing: -.02em; }
.plan .price small { font-size: 16px; color: var(--muted); font-weight: 400; font-family: "Satoshi"; }
.plan ul { list-style: none; margin: 22px 0 26px; display: flex; flex-direction: column; gap: 12px; }
.plan li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--text); }
.plan li::before { content: "✓"; color: var(--mint); font-weight: 700; }
.plan li.off { color: var(--muted); }
.plan li.off::before { content: "—"; color: var(--faint); color:#5a6377; }
.plan .btn { width: 100%; justify-content: center; }

/* ---------- legal pages ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 70px 0; }
.legal h1 { font-family: "Clash Display", sans-serif; font-size: 38px; letter-spacing: -.02em; }
.legal .updated { color: var(--faint); color:#6b7488; font-size: 13px; margin: 8px 0 36px; }
.legal h2 { font-size: 20px; margin: 34px 0 10px; letter-spacing: -.01em; }
.legal p, .legal li { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.legal ul { padding-left: 22px; }
.legal a { color: var(--mint); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: 40px; }
.foot-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.foot-links { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.foot-links a:hover { color: var(--text); }
.foot-copy { color: var(--faint); color:#5a6377; font-size: 13px; }

/* reveal on load */
.reveal { opacity: 0; transform: translateY(16px); animation: rise .7s cubic-bezier(.2,.8,.2,1) forwards; }
.reveal.d1 { animation-delay: .08s; } .reveal.d2 { animation-delay: .16s; }
.reveal.d3 { animation-delay: .24s; } .reveal.d4 { animation-delay: .32s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.thanks { text-align: center; padding: 120px 0; }
.thanks .big { font-size: 64px; }