/* ======================================================================
   MATRIX REFERENCE TEMPLATE — style.css (draft)
   Палитра — базовая; генератор варьирует только оттенки зелёного.
   ====================================================================== */

:root {
  /* Base palette (base site only — каждый site заменяет зелёные hex на свой оттенок) */
  --green-0:  #05fb40;           /* основной акцент, «Matrix green» */
  --green-1:  #05be33;           /* тёмный акцент для hover/border */
  --green-2:  #0ffb5e;           /* светлый для glow */
  --green-dim: rgba(5,251,64,.55);
  --green-ghost: rgba(5,251,64,.08);
  --green-grid: rgba(5,251,64,.12);

  --bg:        #050807;           /* почти чёрный с лёгким зелёным оттенком */
  --bg-deep:   #000000;
  --bg-card:   rgba(10, 18, 14, .72);
  --bg-card-h: rgba(14, 26, 20, .92);
  --border:    rgba(5,251,64,.18);
  --border-h:  rgba(5,251,64,.45);

  --text:      #c9ffd6;           /* базовый текст, мягкий зелёный */
  --text-dim:  #7fae8b;
  --text-h:    #e9ffee;

  --font-mono: "JetBrains Mono", "Share Tech Mono", "Fira Code", Menlo, Consolas, monospace;

  --radius-lg: 4px;
  --radius-sm: 2px;

  --glow-sm:   0 0 6px rgba(5,251,64,.45);
  --glow-md:   0 0 14px rgba(5,251,64,.55), 0 0 2px rgba(5,251,64,.9);
  --glow-lg:   0 0 24px rgba(5,251,64,.65), 0 0 4px rgba(5,251,64,.95);

  --transition: .2s ease;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-mono);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}
/* глобальный "scanline" overlay — лёгкий CRT-эффект */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(5, 251, 64, .025) 0 1px,
      transparent 1px 3px
    );
  z-index: 2;
  mix-blend-mode: screen;
}
/* vignette */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,.72) 100%);
  z-index: 1;
}

a { color: var(--green-0); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--green-2); text-shadow: var(--glow-sm); }

img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 3;
}

/* ======================================================================
   MATRIX RAIN (фон)
   ====================================================================== */
#matrix-rain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: .55;
  pointer-events: none;
}

/* ======================================================================
   HEADER
   ====================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-weight: 800;
  font-size: 20px;
  color: var(--green-0);
  text-shadow: var(--glow-sm);
  letter-spacing: .02em;
  white-space: nowrap;
}
.logo-prompt { color: var(--text-dim); font-weight: 400; }
.logo-cursor {
  display: inline-block;
  width: .5ch;
  color: var(--green-2);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav a {
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  position: relative;
  padding: 4px 0;
}
.nav a::before { content: "["; opacity: 0; margin-right: 2px; transition: var(--transition); }
.nav a::after  { content: "]"; opacity: 0; margin-left: 2px;  transition: var(--transition); }
.nav a:hover { color: var(--green-0); text-shadow: var(--glow-sm); }
.nav a:hover::before, .nav a:hover::after { opacity: 1; }

.burger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  width: 40px; height: 40px;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--green-0);
  margin: 3px auto;
  transition: var(--transition);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.92);
}
.mobile-nav a { padding: 10px 0; color: var(--text); font-size: 15px; }
.mobile-nav[hidden] { display: none; }
.mobile-nav.open { display: flex; }

/* ======================================================================
   CTA (buttons)
   ====================================================================== */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-weight: 800;                  /* память проекта: 800, никогда меньше */
  font-size: 15px;
  letter-spacing: .04em;
  color: #000;                       /* память проекта: всегда #000 */
  background: var(--green-0);
  border: 1px solid var(--green-0);
  border-radius: var(--radius-sm);
  box-shadow: var(--glow-md);
  transition: var(--transition);
  cursor: pointer;
}
.cta:hover {
  background: var(--green-2);
  box-shadow: var(--glow-lg);
  color: #000;
  transform: translateY(-1px);
}
.cta-sm { padding: 10px 16px; font-size: 13px; }
.cta-lg { padding: 16px 28px; font-size: 16px; }

/* ======================================================================
   HERO
   ====================================================================== */
.hero {
  padding: 96px 0 72px;
  position: relative;
  z-index: 3;
}
.hero-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: left;
}
.terminal-badge {
  display: inline-block;
  font-size: 13px;
  color: var(--green-0);
  text-shadow: var(--glow-sm);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--green-ghost);
  margin-bottom: 20px;
  letter-spacing: .05em;
}
.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text-h);
  margin: 0 0 16px;
  letter-spacing: -.01em;
}
.hero-title .accent {
  color: var(--green-0);
  text-shadow: var(--glow-lg);
}
.hero-title .cursor {
  display: inline-block;
  color: var(--green-2);
  font-weight: 400;
  animation: blink 1s steps(1) infinite;
}
.hero-sub {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 0 32px;
}
.hero-actions { margin-bottom: 36px; }
.hero-trust {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  font-size: 14px;
  color: var(--text-dim);
}
.hero-trust .tk { color: var(--green-0); margin-right: 6px; }

/* ======================================================================
   SECTIONS (generic)
   ====================================================================== */
.section {
  padding: 80px 0;
  position: relative;
  z-index: 3;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  color: #9cffbd;
  margin: 0 0 36px;
  font-weight: 700;
  letter-spacing: .02em;
  text-shadow:
    0 0 14px rgba(5, 251, 64, .42),
    0 0 2px  rgba(5, 251, 64, .75);
}

/* секционный разделитель-строчка */
.section + .section { border-top: 1px dashed var(--border); }

/* ======================================================================
   STEPS
   ====================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
}
.step:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  box-shadow: var(--glow-sm);
}
.step-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--green-0);
  text-shadow: var(--glow-md);
  margin-bottom: 12px;
  opacity: .85;
}
.step h3 {
  font-size: 18px;
  color: var(--text-h);
  margin: 0 0 8px;
  font-weight: 700;
}
.step p { color: var(--text-dim); font-size: 14px; margin: 0; }

/* ======================================================================
   FEATURES
   ====================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: var(--transition);
  position: relative;
}
.feature-card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-2px);
  box-shadow: var(--glow-sm);
}
.feature-bracket {
  font-size: 14px;
  color: var(--green-0);
  text-shadow: var(--glow-sm);
  margin-bottom: 8px;
  letter-spacing: .05em;
}
.feature-card h3 {
  font-size: 18px;
  color: var(--text-h);
  margin: 0 0 8px;
}
.feature-card p { color: var(--text-dim); font-size: 14px; margin: 0; }

/* ======================================================================
   STATS
   ====================================================================== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat {
  text-align: center;
  padding: 20px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(0,0,0,.35);
}
.stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--green-0);
  text-shadow: var(--glow-md);
  margin-bottom: 4px;
}
.stat-label { font-size: 13px; color: var(--text-dim); letter-spacing: .04em; }

/* ======================================================================
   PLATFORMS
   ====================================================================== */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}
.platform {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  transition: var(--transition);
}
.platform:hover {
  border-color: var(--border-h);
  color: var(--text-h);
  box-shadow: var(--glow-sm);
  transform: translateY(-2px);
}
.p-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--green-0);
  filter: drop-shadow(0 0 8px rgba(5, 251, 64, .55));
}
.p-ico svg {
  width: 100%;
  height: 100%;
  display: block;
}
.platforms-cta { text-align: center; margin-top: 8px; }

/* ======================================================================
   CTA BANNER
   ====================================================================== */
.cta-banner {
  text-align: center;
  padding: 52px 24px;
  background:
    linear-gradient(180deg, rgba(5,251,64,.05) 0%, rgba(0,0,0,.4) 100%),
    var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(5,251,64,.1) 0%, transparent 55%);
  pointer-events: none;
}
.cta-banner h2 {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--text-h);
  margin: 0 0 10px;
}
.cta-banner p {
  color: var(--text-dim);
  margin: 0 0 24px;
  max-width: 640px;
  margin-inline: auto;
}

/* ======================================================================
   FAQ
   ====================================================================== */
.faq-list { display: grid; gap: 8px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  overflow: hidden;
}
.faq-item[open] {
  border-color: var(--border-h);
  box-shadow: var(--glow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-h);
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-mark {
  color: var(--green-0);
  text-shadow: var(--glow-sm);
  font-weight: 800;
  min-width: 26px;
}
.faq-item[open] .faq-mark::before { content: "[−]"; }
.faq-item[open] .faq-mark { }  /* no-op, текст задаётся в HTML */
.faq-a {
  padding: 0 22px 20px 54px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

/* ======================================================================
   FOOTER
   ====================================================================== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  position: relative;
  z-index: 3;
  background: rgba(0,0,0,.7);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-logo {
  font-weight: 800;
  color: var(--green-0);
  text-shadow: var(--glow-sm);
}
.footer-nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
}
.footer-nav a { color: var(--text-dim); font-size: 13px; }
.footer-nav a:hover { color: var(--green-0); text-shadow: var(--glow-sm); }
.footer-copy {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ======================================================================
   SCROLL REVEAL
   ====================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ======================================================================
   RESPONSIVE
   ====================================================================== */
@media (max-width: 900px) {
  .steps          { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-row      { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .cta-sm.cta { display: none; }
  .burger { display: block; margin-left: auto; }
  .hero { padding: 68px 0 48px; }
  .section { padding: 56px 0; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row      { grid-template-columns: 1fr 1fr; }
  .footer-inner   { flex-direction: column; align-items: flex-start; }
  .footer-nav { margin-left: 0; }
}


/* H1 tail */
.hero-title-tail {
  display: block;
  font-size: .38em;
  font-weight: 400;
  color: var(--text-dim);
  margin-top: 14px;
  letter-spacing: .02em;
  text-shadow: none;
}