/* =====================================================================
   DEVCRAFT — тёмная технологичная тема
   ===================================================================== */

:root {
  --bg:        #06070d;
  --bg-2:      #0a0c16;
  --surface:   #0e1120;
  --surface-2: #141829;
  --border:    rgba(255, 255, 255, 0.08);
  --border-2:  rgba(255, 255, 255, 0.14);

  --text:      #eaf0ff;
  --muted:     #9aa3c0;
  --faint:     #5d6685;

  --accent:    #5b8cff;   /* электрик-синий */
  --accent-2:  #18e0c8;   /* бирюзовый неон */
  --accent-3:  #a06bff;   /* фиолетовый */

  --grad:      linear-gradient(120deg, var(--accent), var(--accent-2));
  --grad-soft: linear-gradient(120deg, var(--accent-3), var(--accent));

  --glow:      0 0 60px rgba(91, 140, 255, 0.35);
  --radius:    18px;
  --radius-sm: 12px;

  --maxw:      1180px;

  --tg:  #2aabee;
  --wa:  #25d366;
  --max: #7b5bff;

  --font:  'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Декоративный фон всего сайта */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 50% -10%, rgba(91, 140, 255, 0.12), transparent 70%),
    radial-gradient(40% 40% at 85% 20%, rgba(24, 224, 200, 0.08), transparent 70%),
    radial-gradient(40% 40% at 10% 60%, rgba(160, 107, 255, 0.08), transparent 70%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(80% 60% at 50% 30%, #000 30%, transparent 90%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 820px; }

/* ===== Прогресс скролла ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 1000;
  box-shadow: var(--glow);
  transition: width 0.1s linear;
}

/* ===== Кнопки ===== */
.btn {
  --pad: 14px 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: var(--pad);
  border-radius: 100px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .25s, box-shadow .25s, background .25s, border-color .25s;
  white-space: nowrap;
}
.btn--sm { --pad: 10px 18px; font-size: 14px; }
.btn--lg { --pad: 17px 32px; font-size: 16px; }

.btn--primary {
  background: var(--grad);
  color: #04101f;
  box-shadow: 0 8px 30px rgba(91,140,255,.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(91,140,255,.5); }

.btn--ghost {
  background: rgba(255,255,255,0.03);
  border-color: var(--border-2);
  color: var(--text);
}
.btn--ghost:hover { background: rgba(255,255,255,0.07); transform: translateY(-2px); }

.btn--messenger { color: #fff; box-shadow: 0 8px 26px rgba(0,0,0,.35); }
.btn--messenger:hover { transform: translateY(-3px); }
.btn--tg  { background: linear-gradient(135deg, #2aabee, #1d8ad1); }
.btn--wa  { background: linear-gradient(135deg, #25d366, #1aa850); }
.btn--max { background: linear-gradient(135deg, #8b6bff, #6b46e0); }
.btn__ic { font-size: 17px; line-height: 1; }

/* ===== Шапка ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(6,7,13,.72);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.logo__mark {
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 20px;
  text-shadow: 0 0 14px rgba(24,224,200,.6);
}
.logo__text { letter-spacing: .04em; font-size: 18px; }

.nav { display: flex; gap: 30px; }
.nav__link {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color .2s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--grad);
  transition: width .25s;
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  width: 26px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  padding: 124px 0 90px;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero__glow {
  position: absolute;
  top: -10%; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(circle, rgba(91,140,255,.18), transparent 60%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; text-align: center; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  background: rgba(255,255,255,.03);
  font-size: 14px;
  color: var(--muted);
  font-family: var(--mono);
  margin-bottom: 28px;
}
.badge__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.7); }
}

.hero__title {
  font-size: clamp(34px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--muted);
  max-width: 660px;
  margin: 0 auto 36px;
}
.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero__messengers {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero__messengers-label { color: var(--faint); font-size: 14px; }
.msg-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-2);
  background: rgba(255,255,255,.03);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: .25s;
}
.msg-chip:hover { border-color: var(--accent); background: rgba(91,140,255,.1); transform: translateY(-2px); }
.msg-chip__icon { color: var(--accent-2); }

/* ===== Статистика ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}
.stat {
  padding: 22px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  backdrop-filter: blur(6px);
}
.stat__num {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--mono);
}
.stat__label { font-size: 13px; color: var(--muted); margin-top: 4px; }

.hero__scroll {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--faint);
  font-family: var(--mono);
  display: flex; align-items: center; gap: 10px;
  z-index: 1;
}
.hero__scroll span {
  width: 22px; height: 36px;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  position: relative;
}
.hero__scroll span::after {
  content: "";
  position: absolute;
  top: 7px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 7px;
  border-radius: 4px;
  background: var(--accent-2);
  animation: scrolldot 1.6s infinite;
}
@keyframes scrolldot { 0%{opacity:1;top:7px} 70%{opacity:0;top:18px} 100%{opacity:0} }

/* ===== Секции ===== */
.section { padding: 110px 0; position: relative; }
.section--tight { padding: 70px 0; }

.section__head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.eyebrow {
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 14px;
  letter-spacing: .08em;
}
.section__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 12px 0 14px;
}
.section__lead { color: var(--muted); font-size: 17px; }

/* ===== Карточки услуг ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  position: relative;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  overflow: hidden;
  transition: transform .3s, border-color .3s;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(91,140,255,.12), transparent 40%);
  opacity: 0;
  transition: opacity .3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-2); }
.card:hover::before { opacity: 1; }
.card__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  font-size: 28px;
  border-radius: 14px;
  background: rgba(91,140,255,.1);
  border: 1px solid var(--border-2);
  margin-bottom: 18px;
}
.card__title { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.card__text { color: var(--muted); margin-bottom: 16px; }
.card__list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.card__list li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  font-size: 15px;
}
.card__list li::before {
  content: "▹";
  position: absolute; left: 0;
  color: var(--accent-2);
}

/* ===== Marquee ===== */
.marquee {
  margin-top: 40px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee__track span {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--muted);
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(255,255,255,.02);
  white-space: nowrap;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ===== Цены ===== */
.pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.price {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  transition: transform .3s, border-color .3s;
}
.price:hover { transform: translateY(-4px); border-color: var(--border-2); }
.price--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px rgba(91,140,255,.18);
}
.price__badge {
  position: absolute;
  top: -11px; right: 20px;
  background: var(--grad);
  color: #04101f;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 100px;
}
.price__top { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.price__icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  font-size: 20px;
  border-radius: 11px;
  background: rgba(91,140,255,.1);
  border: 1px solid var(--border-2);
  flex-shrink: 0;
}
.price__name { font-size: 16px; font-weight: 700; }
.price__value {
  font-size: 22px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 12px;
  font-family: var(--mono);
}
.price__value b {
  font-size: 32px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.price__desc { color: var(--muted); font-size: 14px; flex-grow: 1; margin-bottom: 20px; }
.price__btn {
  display: block;
  text-align: center;
  padding: 11px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-2);
  background: rgba(255,255,255,.03);
  font-weight: 600;
  font-size: 14px;
  transition: .25s;
}
.price__btn:hover { border-color: var(--accent); background: rgba(91,140,255,.12); }
.price--featured .price__btn { background: var(--grad); color: #04101f; border-color: transparent; }
.price--featured .price__btn:hover { transform: translateY(-1px); }

.pricing__note {
  margin-top: 28px;
  text-align: center;
  padding: 18px 24px;
  border: 1px dashed var(--border-2);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
  background: rgba(255,255,255,.02);
}
.pricing__note b { color: var(--text); }
.pricing__note-ic { margin-right: 6px; }

/* ===== Процесс ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  position: relative;
  padding: 30px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform .3s, border-color .3s;
}
.step:hover { transform: translateY(-4px); border-color: var(--accent); }
.step__num {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  background: var(--grad-soft);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}
.step__title { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.step__text { color: var(--muted); font-size: 15px; }

/* ===== Кейсы ===== */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  transition: transform .3s, border-color .3s;
}
.case:hover { transform: translateY(-4px); border-color: var(--border-2); }
.case__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.case__title { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.case__text { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.case__meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--faint);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ===== Преимущества ===== */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature {
  text-align: center;
  padding: 28px 20px;
}
.feature__icon {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  font-size: 26px;
  border-radius: 16px;
  background: rgba(24,224,200,.08);
  border: 1px solid var(--border-2);
}
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; }

/* ===== FAQ ===== */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .25s;
}
.faq__item[open] { border-color: var(--border-2); }
.faq__item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 17px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-size: 24px;
  color: var(--accent-2);
  transition: transform .25s;
  flex-shrink: 0;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p {
  padding: 0 24px 22px;
  color: var(--muted);
}

/* ===== Финальный CTA ===== */
.cta {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.cta__glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 700px; height: 400px;
  background: radial-gradient(circle, rgba(91,140,255,.2), transparent 65%);
  filter: blur(30px);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 40px;
  border: 1px solid var(--border-2);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(20,24,41,.8), rgba(10,12,22,.8));
  backdrop-filter: blur(12px);
}
.cta__title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  margin: 12px 0 14px;
  letter-spacing: -0.02em;
}
.cta__text { color: var(--muted); font-size: 17px; margin-bottom: 32px; }
.cta__buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.cta__note { font-size: 13px; color: var(--faint); }
.cta__note a { color: var(--muted); text-decoration: underline; }

/* ===== Футер ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer__copy { color: var(--faint); font-size: 14px; }
.footer__links a { color: var(--muted); font-size: 14px; transition: color .2s; }
.footer__links a:hover { color: var(--text); }

/* ===== Плавающие кнопки ===== */
.float-msg {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 800;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-msg__btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  transition: transform .25s;
  position: relative;
}
.float-msg__btn:hover { transform: scale(1.1); }
.float-msg__btn--tg  { background: linear-gradient(135deg, #2aabee, #1d8ad1); }
.float-msg__btn--wa  { background: linear-gradient(135deg, #25d366, #1aa850); }
.float-msg__btn--max { background: linear-gradient(135deg, #8b6bff, #6b46e0); }
.float-msg__btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: .5;
  animation: ring 2.4s ease-out infinite;
}
@keyframes ring {
  0% { transform: scale(1); opacity: .5; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ===== Reveal-анимации ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== Адаптив ===== */
@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: 70px; right: 0;
    flex-direction: column;
    background: rgba(10,12,22,.97);
    backdrop-filter: blur(16px);
    width: 240px;
    padding: 24px;
    gap: 18px;
    border-left: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 0 0 0 16px;
    transform: translateX(110%);
    transition: transform .3s;
    height: calc(100vh - 70px);
  }
  .nav.open { transform: none; }
  .burger { display: flex; }
  .header__cta { display: none; }

  .cards { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .cta__inner { padding: 40px 22px; }
  .hero__messengers-label { width: 100%; }
  .float-msg__btn { width: 48px; height: 48px; font-size: 18px; }
}

/* Уважение к prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}