/* ==========================================================================
   Булат V6 — детектор дронов.
   Страница-анонс, оформленная как предварительный лист данных прибора.
   ========================================================================== */

:root {
  --bg:          #0a0b0c;
  --bg-raise:    rgba(255, 255, 255, .026);
  --rule:        rgba(226, 232, 240, .13);
  --rule-strong: rgba(226, 232, 240, .26);
  --dot:         rgba(226, 232, 240, .3);

  --ink:         #f2f5f8;
  --ink-dim:     #98a2ad;
  --ink-faint:   #5f6873;

  --signal:      #e6432a;
  --signal-lit:  #ff6a4f;
  --signal-soft: rgba(230, 67, 42, .12);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
          Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;

  --pad-x: clamp(1.1rem, 3.4vw, 3.6rem);
  --pad-y: clamp(1.1rem, 3vh, 2.1rem);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(.9rem, .58rem + 1vw, 1.02rem);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, p, dl, dd, ul { margin: 0; }
dd { margin-inline-start: 0; }
ul { padding: 0; list-style: none; }

/* --------------------------------------------------------------------------
   Фон: диагональная штриховка + спектр радиосигнала
   -------------------------------------------------------------------------- */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.backdrop__hatch {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    58deg,
    rgba(226, 232, 240, .045) 0 1px,
    transparent 1px 13px
  );
  -webkit-mask-image: radial-gradient(120% 80% at 88% 0%, #000, transparent 72%);
          mask-image: radial-gradient(120% 80% at 88% 0%, #000, transparent 72%);
}

/* Силуэт спектра: «гребёнка» из тонких полос, обрезанная маской-огибающей. */
.spectrum {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: min(26vh, 230px);
  -webkit-mask-image: linear-gradient(to top, #000 18%, rgba(0, 0, 0, .35) 62%, transparent 100%);
          mask-image: linear-gradient(to top, #000 18%, rgba(0, 0, 0, .35) 62%, transparent 100%);
}

.spectrum__bars {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(230, 67, 42, .6) 0 2px,
    transparent 2px 12px
  );
  -webkit-mask-image:
    radial-gradient(30% 92% at 12% 100%, #000 0%, transparent 100%),
    radial-gradient(16% 58% at 27% 100%, #000 0%, transparent 100%),
    radial-gradient(24% 120% at 41% 100%, #000 0%, transparent 100%),
    radial-gradient(13% 46% at 55% 100%, #000 0%, transparent 100%),
    radial-gradient(28% 78% at 69% 100%, #000 0%, transparent 100%),
    radial-gradient(15% 134% at 83% 100%, #000 0%, transparent 100%),
    radial-gradient(22% 60% at 95% 100%, #000 0%, transparent 100%),
    linear-gradient(#000 0 0);
          mask-image:
    radial-gradient(30% 92% at 12% 100%, #000 0%, transparent 100%),
    radial-gradient(16% 58% at 27% 100%, #000 0%, transparent 100%),
    radial-gradient(24% 120% at 41% 100%, #000 0%, transparent 100%),
    radial-gradient(13% 46% at 55% 100%, #000 0%, transparent 100%),
    radial-gradient(28% 78% at 69% 100%, #000 0%, transparent 100%),
    radial-gradient(15% 134% at 83% 100%, #000 0%, transparent 100%),
    radial-gradient(22% 60% at 95% 100%, #000 0%, transparent 100%),
    linear-gradient(#000 0 0);
  -webkit-mask-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 14px;
          mask-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 14px;
  -webkit-mask-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 100%;
          mask-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 100%;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  opacity: .34;
}

.spectrum__floor {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent, rgba(230, 67, 42, .38) 18%, rgba(230, 67, 42, .38) 82%, transparent);
}

/* --------------------------------------------------------------------------
   Лист
   -------------------------------------------------------------------------- */

.sheet {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 1360px;
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
}

/* Приводочные метки по углам листа */
.crop {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 0 solid var(--rule-strong);
  pointer-events: none;
}
.crop--tl { top: 14px;    left: 14px;    border-top-width: 1px; border-left-width: 1px; }
.crop--tr { top: 14px;    right: 14px;   border-top-width: 1px; border-right-width: 1px; }
.crop--bl { bottom: 14px; left: 14px;    border-bottom-width: 1px; border-left-width: 1px; }
.crop--br { bottom: 14px; right: 14px;   border-bottom-width: 1px; border-right-width: 1px; }

.edge-label {
  position: absolute;
  top: 50%;
  left: 6px;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--ink-faint);
  opacity: .7;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Шапка
   -------------------------------------------------------------------------- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding-bottom: clamp(.8rem, 1.8vh, 1.2rem);
  border-bottom: 1px solid var(--rule-strong);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: inherit;
  text-decoration: none;
}

.logo__mark {
  flex: none;
  width: 26px;
  height: 26px;
  background:
    linear-gradient(var(--signal), var(--signal)) 0 0 / 100% 4px no-repeat,
    linear-gradient(var(--ink), var(--ink)) 0 100% / 100% 1px no-repeat,
    linear-gradient(90deg, transparent 46%, var(--rule-strong) 46% 54%, transparent 54%);
}

.logo__word {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
}
.logo__word b {
  margin-left: .34em;
  padding: .1em .36em;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  letter-spacing: .1em;
}

.ident {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(1.1rem, 3vw, 2.75rem);
  font-family: var(--mono);
}

.ident__cell {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding-left: .8rem;
  border-left: 1px solid var(--rule);
}

.ident dt {
  font-size: .6rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ident dd {
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--ink-dim);
}

.ident__status {
  color: var(--signal-lit) !important;
  text-transform: uppercase;
  letter-spacing: .18em !important;
}

/* --------------------------------------------------------------------------
   Тело листа
   -------------------------------------------------------------------------- */

.body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.35rem, 3.4vh, 2.4rem);
  padding: clamp(1.25rem, 3.2vh, 2.4rem) 0;
}

/* --- Заголовок и штамп --- */

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.title {
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.03em;
}

.title__thin,
.title__strong { display: block; }

.title__thin {
  font-size: clamp(1.75rem, .8rem + 3.3vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -.015em;
  color: var(--ink-dim);
}

.title__strong {
  margin-top: .06em;
  font-size: clamp(3rem, 1rem + 7vw, 7rem);
  text-transform: uppercase;
  letter-spacing: -.045em;
}

.lead {
  position: relative;
  max-width: 42ch;
  margin-top: clamp(.9rem, 2.2vh, 1.4rem);
  padding-top: clamp(.9rem, 2.2vh, 1.4rem);
  font-size: clamp(.95rem, .8rem + .5vw, 1.2rem);
  color: var(--ink-dim);
}
.lead::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 1px;
  background: var(--signal);
}

/* Штамп «СКОРО» */
.stamp {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  padding: clamp(.7rem, 1.8vh, 1.05rem) clamp(1rem, 2.2vw, 1.7rem);
  border: 2px solid var(--signal);
  border-radius: 3px;
  background: var(--signal-soft);
  box-shadow: inset 0 0 0 4px rgba(230, 67, 42, .1);
  color: var(--signal-lit);
  transform: rotate(-6deg);
}

.stamp__word {
  font-size: clamp(1.4rem, .9rem + 1.7vw, 2.4rem);
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1;
  text-transform: uppercase;
}

.stamp__sub {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .82;
}

/* --- Лист данных --- */

.data__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .3rem 1.5rem;
  margin-bottom: .55rem;
}

.data__title,
.data__hint,
.order__title {
  font-family: var(--mono);
  font-size: .64rem;
  font-weight: 500;
  letter-spacing: .26em;
  text-transform: uppercase;
}

.data__title { color: var(--ink-dim); }
.data__hint  { color: var(--ink-faint); letter-spacing: .16em; }

.data__list { border-top: 1px solid var(--rule-strong); }

.row {
  display: grid;
  grid-template-columns: 2.6rem auto minmax(1.5rem, 1fr) auto;
  align-items: center;
  gap: .75rem;
  padding: clamp(.5rem, 1.2vh, .78rem) 0;
  border-bottom: 1px solid var(--rule);
}

.row__no {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--ink-faint);
}

.row__name {
  font-size: clamp(.92rem, .8rem + .3vw, 1.05rem);
  color: var(--ink);
}

.row__leader {
  height: 1px;
  background-image: repeating-linear-gradient(90deg, var(--dot) 0 2px, transparent 2px 8px);
  opacity: .6;
}

.row__value {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* --- Предзаказ --- */

.order {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem clamp(1.5rem, 4vw, 3rem);
  padding: clamp(.95rem, 2.4vh, 1.5rem) clamp(1rem, 2.2vw, 1.6rem);
  border: 1px solid var(--rule-strong);
  border-left: 2px solid var(--signal);
  background: var(--bg-raise);
}

.order__title { color: var(--ink-dim); }

.order__note {
  max-width: 40ch;
  margin-top: .4rem;
  font-size: .82rem;
  color: var(--ink-faint);
}

.order__mail {
  position: relative;
  display: inline-block;
  padding: .1em .05em .18em;
  color: var(--ink);
  font-size: clamp(1.3rem, .95rem + 1.5vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -.015em;
  text-decoration: none;
  transition: color .18s ease;
}
.order__mail::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(1);
  transform-origin: left;
  transition: background-color .18s ease, transform .28s cubic-bezier(.4, 0, .2, 1);
}

.order__mail:hover,
.order__mail:focus-visible { color: var(--signal-lit); }

.order__mail:hover::after,
.order__mail:focus-visible::after { background: var(--signal-lit); }

.order__mail:active { transform: translateY(1px); }

.order__mail:focus-visible {
  outline: 2px solid var(--signal-lit);
  outline-offset: 6px;
}

/* --------------------------------------------------------------------------
   Подвал
   -------------------------------------------------------------------------- */

.colophon {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .4rem 1.5rem;
  padding-top: clamp(.7rem, 1.8vh, 1.1rem);
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* --------------------------------------------------------------------------
   Адаптация
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .edge-label { display: none; }
  .sheet { padding-inline: clamp(1.1rem, 4vw, 2.4rem); }
}

@media (max-width: 860px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
    gap: clamp(1.2rem, 3vh, 2rem);
  }

  .stamp {
    align-self: flex-start;
    order: -1;
    flex-direction: row;
    align-items: baseline;
    gap: .7rem;
    padding: .5rem .9rem;
    transform: rotate(-2deg);
  }

  .stamp__word { font-size: 1.15rem; }

  .ident__cell:first-child { padding-left: 0; border-left: 0; }
}

@media (max-width: 620px) {
  .masthead { gap: .9rem; }

  .ident { gap: 0 1.25rem; }

  .row {
    grid-template-columns: auto minmax(1rem, 1fr) auto;
    gap: .6rem;
  }

  .row__no { display: none; }

  .order { align-items: flex-start; }

  .colophon { gap: .3rem 1rem; font-size: .58rem; }

  .crop { display: none; }

  .spectrum { height: 22vh; }
}

@media (max-width: 430px) {
  .row {
    grid-template-columns: minmax(0, 1fr);
    gap: .2rem;
  }
  .row__leader { display: none; }

  .title__strong { letter-spacing: -.035em; }

  .logo__word { font-size: .92rem; letter-spacing: .18em; }

  .colophon p:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .order__mail,
  .order__mail::after { transition: none; }
}