:root {
  --paper: #07111d;
  --ink: #f5f7f6;
  --ink-soft: #a9b6c2;
  --rule: rgba(170, 195, 210, .16);
  --rule-strong: rgba(177, 202, 216, .34);
  --signal: #ff5a18;
  --alert: #ff6b5f;
  --ok: #4bd19a;
  --panel: rgba(13, 28, 43, .88);
  --panel-solid: #0d1c2b;
  --cyan: #5bd7ff;
  --shadow: 0 28px 80px rgba(0, 0, 0, .32);
}

html { background: var(--paper); }

body {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.62;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(91, 215, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 215, 255, .055) 1px, transparent 1px),
    radial-gradient(circle at 85% 8%, rgba(255, 90, 24, .16), transparent 26%),
    radial-gradient(circle at 4% 37%, rgba(91, 215, 255, .08), transparent 22%);
  background-size: 48px 48px, 48px 48px, 100% 100%, 100% 100%;
  background-position: -1px -1px;
  background-attachment: fixed;
}

body::before {
  background:
    linear-gradient(90deg, rgba(7, 17, 29, .98), rgba(7, 17, 29, .58) 50%, rgba(7, 17, 29, .93)),
    linear-gradient(180deg, transparent, rgba(7, 17, 29, .78) 70%, var(--paper));
}

.sheet { max-width: 1180px; padding: 0 34px 100px; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 0 -34px;
  padding: 18px 34px;
  border-bottom: 1px solid var(--rule-strong);
  background: rgba(7, 17, 29, .78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

header .who { color: var(--ink); }
header .doc { color: var(--ink-soft); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }
.site-nav a { color: var(--ink-soft); text-decoration: none; font: 700 14px 'PT Sans Narrow', sans-serif; text-transform: uppercase; letter-spacing: .08em; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--signal); }
.site-nav .channel-link { color: var(--ink); border-bottom: 1px solid var(--signal); }

section {
  position: relative;
  padding: 88px 0;
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 90px;
}

.hero {
  min-height: 760px;
  padding-top: 105px;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.hero::before {
  width: 360px;
  height: 360px;
  right: -72px;
  top: 96px;
  border: 1px solid rgba(91, 215, 255, .28);
  border-radius: 50%;
  box-shadow: inset 0 0 0 34px rgba(91, 215, 255, .025), inset 0 0 0 35px rgba(91, 215, 255, .13);
}

.hero::after {
  width: 430px;
  height: 255px;
  right: -40px;
  top: 210px;
  opacity: .38;
  background:
    linear-gradient(90deg, transparent 0 8%, var(--cyan) 8% 8.5%, transparent 8.5% 38%, var(--cyan) 38% 38.5%, transparent 38.5% 68%, var(--cyan) 68% 68.5%, transparent 68.5%),
    linear-gradient(0deg, var(--cyan) 0 1px, transparent 1px 33%, var(--cyan) 33% calc(33% + 1px), transparent calc(33% + 1px) 66%, var(--cyan) 66% calc(66% + 1px), transparent calc(66% + 1px));
  -webkit-mask-image: linear-gradient(135deg, #000, transparent 88%);
  mask-image: linear-gradient(135deg, #000, transparent 88%);
}

h1 { font-size: clamp(44px, 6.6vw, 80px); max-width: 15ch; line-height: .98; letter-spacing: -.025em; }
h2 { font-size: clamp(31px, 4.2vw, 53px); line-height: 1.04; letter-spacing: .01em; }
h3 { font-size: 18px; }

.hero h1 { margin: 22px 0 28px; }
.hero h1 em { color: var(--signal); text-shadow: 0 0 40px rgba(255, 90, 24, .22); }
.lead { color: var(--ink-soft); font-size: clamp(19px, 2.2vw, 24px); line-height: 1.45; }

.eyebrow { color: var(--signal); font-size: 14px; }
.eyebrow::after { background: linear-gradient(90deg, var(--signal), transparent); opacity: .6; }

.products { gap: 20px; margin-top: 54px; max-width: 900px; }

.product,
.phone,
.compare,
.day,
.ledger,
.price-table,
.stamp,
.form {
  background: linear-gradient(145deg, rgba(17, 36, 54, .96), rgba(10, 23, 37, .92));
  border-color: var(--rule-strong);
  box-shadow: var(--shadow);
}

.product {
  position: relative;
  overflow: hidden;
  padding: 32px 32px 28px;
  border-radius: 4px;
}

.product::after {
  content: "→";
  position: absolute;
  right: 25px;
  top: 19px;
  color: var(--cyan);
  font-size: 28px;
}

.product:hover {
  transform: translateY(-5px);
  border-color: rgba(91, 215, 255, .52);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .42), 0 0 0 1px rgba(91, 215, 255, .08);
}

.product-tag { color: var(--signal); }
.product h3 { color: var(--ink); font-size: 32px; }
.product p { color: var(--ink-soft); }
.product-more { color: var(--ink); border-color: rgba(91, 215, 255, .52); }

.head-block { margin-bottom: 38px; }
.head-block h2 { margin: 14px 0 10px; max-width: 18ch; }

.hero-grid { gap: 58px; align-items: center; }
.hero-note { color: var(--ink-soft); font-size: 17px; }
.hero-note strong { color: var(--ink); }

.phone { border-radius: 6px; overflow: hidden; }
.phone-bar { color: var(--ink-soft); border-color: var(--rule); background: rgba(5, 13, 23, .42); }
.msg { color: #e8f0f5; font-size: 13.5px; }
.msg .t, .msg-time { color: var(--ink-soft); }
.msg .warn, .msg .miss { color: var(--alert); }
.msg-time { background: rgba(5, 13, 23, .42); padding-top: 12px; }

.compare { border-radius: 6px; overflow: hidden; }
.compare > div:first-child { border-color: var(--rule-strong); background: rgba(255, 255, 255, .015); }
.compare h3 { font-size: 18px; }
.col-now h3 { color: var(--ink-soft); }
.col-new h3 { color: var(--signal); }
.compare li::marker { color: var(--signal); }

.day { border-radius: 6px; overflow: hidden; }
.day > div { border-color: var(--rule-strong); }
.time { color: var(--signal); font-size: 40px; }
.time small { color: var(--ink-soft); }

.ledger { border-radius: 6px; overflow: hidden; }
.ledger div { border-color: var(--rule); }
.ledger .total { background: rgba(91, 215, 255, .07); }
.ledger .n { color: var(--signal); }

.price-table { border-radius: 6px; overflow: hidden; }
.price-table th, .price-table td { border-color: var(--rule); }
.price-table th { color: var(--ink-soft); background: rgba(5, 13, 23, .38); }
.price-table td small, .included { color: var(--ink-soft); }
.price-table tr:hover td { background: rgba(91, 215, 255, .025); }
.free { color: var(--ok); }

.cta {
  background: var(--signal);
  color: #fff;
  border-radius: 3px;
  box-shadow: 0 14px 36px rgba(255, 90, 24, .25);
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.cta:hover { background: #ff713d; transform: translateY(-2px); box-shadow: 0 18px 44px rgba(255, 90, 24, .34); }
.cta.ghost { color: var(--ink); border-color: var(--rule-strong); }
.cta.ghost:hover { background: var(--ink); color: var(--paper); }

.form { border-radius: 6px; padding: 34px; }
.form span { color: var(--ink-soft); }
.form input, .form textarea {
  color: var(--ink);
  background: rgba(5, 13, 23, .58);
  border-color: var(--rule-strong);
  border-radius: 3px;
}
.form input::placeholder, .form textarea::placeholder { color: #738495; }
.form input:focus, .form textarea:focus { background: rgba(7, 17, 29, .9); }
.form-hint { color: var(--ink-soft); }

.stamp { border-color: var(--rule-strong); }
.stamp .left { border-color: var(--rule-strong); }
.stamp-label, .stamp .role { color: var(--ink-soft); }
.stamp .contact a { color: var(--ink); }

.reveal { transform: translateY(20px); }

@media (max-width: 820px) {
  body { font-size: 16px; background-size: 32px 32px, 32px 32px, 100% 100%, 100% 100%; }
  .sheet { padding: 0 17px 58px; }
  header { position: relative; margin: 0 -17px; padding: 14px 17px; }
  .site-nav { width: 100%; gap: 8px 16px; }
  .site-nav a { font-size: 13px; }
  header .doc { display: none; }
  section { padding: 64px 0; }
  .hero { min-height: auto; padding-top: 72px; }
  .hero::before { width: 230px; height: 230px; right: -110px; top: 68px; opacity: .7; }
  .hero::after { width: 260px; height: 180px; right: -96px; top: 140px; opacity: .22; }
  h1 { font-size: clamp(46px, 14vw, 66px); }
  h2 { font-size: clamp(31px, 9vw, 43px); }
  .lead { font-size: 19px; }
  .products { margin-top: 38px; }
  .product { padding: 24px 21px 21px; }
  .product h3 { font-size: 27px; padding-right: 24px; }
  .hero-grid { gap: 30px; }
  .compare > div:first-child, .day > div, .stamp .left { border-color: var(--rule-strong); }
  .price-table tr { border-color: var(--rule-strong); }
  .price-table td { color: var(--ink); }
  .form { padding: 22px 17px; }
}

@media (max-width: 400px) {
  .sheet { padding-left: 13px; padding-right: 13px; }
  header { margin-left: -13px; margin-right: -13px; padding-left: 13px; padding-right: 13px; }
  h1 { font-size: 43px; }
  .eyebrow { font-size: 12px; }
  .product::after { right: 18px; }
}