/*
Theme Name: CyberFirst
Theme URI: https://cyberfirst.ru/
Author: CyberFirst
Description: Современная тема-лендинг для CyberFirst — защита сайтов, приложений и сетей от DDoS-атак и ботов. Тёмная и светлая темы, плавные анимации.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cyberfirst
*/

/* ============================================================
   CyberFirst — стили
   Темы: [data-theme="dark"] (по умолчанию) и [data-theme="light"]
   ============================================================ */

:root {
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --accent: #3b82f6;
  --accent-2: #06b6d4;
  /* RGB-компоненты акцентов — для rgba() без дублирования hex-значений */
  --accent-rgb: 59, 130, 246;
  --accent-2-rgb: 6, 182, 212;
  --accent-grad: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
}

[data-theme="dark"] {
  --bg: #0a0e17;
  --bg-alt: #0e1422;
  --surface: #131a2b;
  --surface-hover: #182238;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf5;
  --text-muted: #94a3b8;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --glow-opacity: 0.5;
  --header-bg: rgba(10, 14, 23, 0.8);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-alt: #eef2f9;
  --surface: #ffffff;
  --surface-hover: #f4f7fd;
  --border: rgba(15, 30, 60, 0.1);
  --text: #0f1a2e;
  --text-muted: #55637a;
  --shadow: 0 12px 40px rgba(30, 60, 120, 0.12);
  --glow-opacity: 0.25;
  --header-bg: rgba(246, 248, 252, 0.85);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

@supports not (scrollbar-gutter: stable) {
  html { overflow-y: scroll; }
}

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

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

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

a { color: inherit; text-decoration: none; }

.gradient-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
              background var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(var(--accent-rgb), 0.5);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--lg { padding: 16px 32px; font-size: 16px; }

/* ---------- header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.header--scrolled { border-bottom-color: var(--border); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo__image {
  display: block;
  width: 220px;
  height: auto;
}
[data-theme="light"] .logo__image { filter: invert(1); }

.nav { display: flex; gap: 28px; }

.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent-grad);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 14px; }

/* theme toggle */
.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.theme-toggle:hover { border-color: var(--accent); transform: rotate(15deg); }

.theme-toggle__icon {
  width: 20px;
  height: 20px;
  grid-area: 1 / 1;
  transition: opacity var(--transition), transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-theme="dark"] .theme-toggle__icon--sun { opacity: 1; transform: rotate(0); }
[data-theme="dark"] .theme-toggle__icon--moon { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="light"] .theme-toggle__icon--sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="light"] .theme-toggle__icon--moon { opacity: 1; transform: rotate(0); }

/* burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger__line {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger--active .burger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger--active .burger__line:nth-child(2) { opacity: 0; }
.burger--active .burger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.hero__glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(var(--accent-rgb), 0.35), transparent 65%);
  opacity: var(--glow-opacity);
  pointer-events: none;
  transition: opacity var(--transition);
}

.hero__content { position: relative; text-align: center; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  position: relative;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.4);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.hero__title {
  font-size: clamp(38px, 6.5vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__subtitle {
  max-width: 680px;
  margin: 0 auto 40px;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.stat {
  padding: 24px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.stat:hover { transform: translateY(-4px); border-color: var(--accent); }

.stat__value {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat__label { font-size: 13.5px; color: var(--text-muted); margin-top: 6px; }

/* ---------- sections ---------- */
.section { padding: 110px 0; }
.section--alt { background: var(--bg-alt); transition: background var(--transition); }

.section__head { text-align: center; max-width: 720px; margin: 0 auto 64px; }

.section__tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  margin-bottom: 20px;
}

.section__title {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.section__desc { font-size: 17px; color: var(--text-muted); }

/* ---------- services cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform var(--transition), border-color var(--transition),
              box-shadow var(--transition), background var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: var(--shadow);
  background: var(--surface-hover);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  margin-bottom: 22px;
  transition: transform var(--transition);
}
.card:hover .card__icon { transform: scale(1.08); }
.card__icon svg { width: 28px; height: 28px; }

.card__title { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.card__text { font-size: 15px; color: var(--text-muted); flex: 1; margin-bottom: 18px; }

.card__link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.card__link:hover { gap: 12px; }
/* Вся карточка кликабельна: ссылка растягивается на весь блок */
.card__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }

/* ---------- Вопросы и ответы (как на страницах услуг) ---------- */
.faq__list { display: grid; gap: 12px; max-width: 920px; margin: 40px auto 0; }
.faq-item { overflow: hidden; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); transition: border-color var(--transition), background var(--transition); }
.faq-item[open] { border-color: color-mix(in srgb, var(--accent) 43%, var(--border)); background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 78px; padding: 20px 23px; font-size: 17px; font-weight: 700; line-height: 1.4; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { position: relative; flex: 0 0 34px; width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); }
.faq-item summary span::before, .faq-item summary span::after { content: ''; position: absolute; top: 50%; left: 50%; width: 12px; height: 1.5px; border-radius: 2px; background: var(--accent); transform: translate(-50%, -50%); transition: transform var(--transition); }
.faq-item summary span::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] summary span::after { transform: translate(-50%, -50%) rotate(0); }
.faq-item.cf-details--closing[open] summary span::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item > div { padding: 0 70px 24px 23px; }
.faq-item p { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.72; }
.faq-item p + p { margin-top: 12px; }
.faq-item strong { color: var(--text); }
@media (max-width: 640px) {
  .faq-item summary { min-height: 70px; padding: 17px; font-size: 15px; }
  .faq-item > div { padding: 0 58px 20px 17px; }
}

/* ---------- Полноэкранные секции (десктоп), без авто-прилипания ---------- */
@media (min-width: 1024px) and (min-height: 640px) {
  #services,
  #technology,
  #advantages,
  #how,
  #attack-globe,
  #faq {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: 48px;
  }
  /* Контейнер во flex-секции не должен сжиматься по контенту (иначе ширина «прыгает») */
  #services > .container,
  #technology > .container,
  #advantages > .container,
  #how > .container,
  #attack-globe > .container,
  #faq > .container { width: 100%; }

  /* «Услуги» — компактнее, чтобы 6 карточек + заголовок помещались на экран */
  #services .section__head { margin-bottom: 36px; }
  #services .cards-grid { gap: 16px; }
  #services .card { padding: 22px; }
  #services .card__icon { width: 46px; height: 46px; margin-bottom: 14px; }
  #services .card__icon svg { width: 23px; height: 23px; }
  #services .card__title { font-size: 17px; margin-bottom: 8px; }
  #services .card__text { font-size: 14px; line-height: 1.5; margin-bottom: 12px; }
  #services .card__link { font-size: 14px; }
}


/* ---------- technology ---------- */
.tech {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tech__info .section__tag { margin-bottom: 20px; }
.tech__info .section__desc { margin-bottom: 28px; }

.tech__list { list-style: none; margin-bottom: 32px; display: grid; gap: 10px; }
.tech__list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  font-size: 15.5px;
  font-weight: 500;
  transition: border-color var(--transition), background var(--transition);
}
.tech__list li:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.tech__check {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
}
.tech__check svg { width: 16px; height: 16px; }

.tech__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* terminal */
.terminal {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0c1120;
  box-shadow: var(--shadow);
  overflow: hidden;
  font-size: 13.5px;
}
[data-theme="light"] .terminal { border-color: rgba(15, 30, 60, 0.15); }

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.terminal__dot { width: 11px; height: 11px; border-radius: 50%; }
.terminal__dot--r { background: #ef4444; }
.terminal__dot--y { background: #eab308; }
.terminal__dot--g { background: #22c55e; }
.terminal__title { margin-left: 10px; font-size: 12.5px; color: #7d8aa5; }

.terminal__body {
  padding: 20px;
  font-family: 'Cascadia Code', 'Consolas', monospace;
  color: #c9d4e8;
  line-height: 1.9;
}
.terminal__body p { opacity: 0; animation: lineIn 0.4s ease forwards; }
.terminal__body p:nth-child(1) { animation-delay: 0.4s; }
.terminal__body p:nth-child(2) { animation-delay: 1.2s; }
.terminal__body p:nth-child(3) { animation-delay: 2.0s; }
.terminal__body p:nth-child(4) { animation-delay: 2.8s; }
.terminal__body p:nth-child(5) { animation-delay: 3.6s; }
.terminal__body p:nth-child(6) { animation-delay: 4.6s; }
.terminal__body p:nth-child(7) { animation-delay: 5.4s; }
.terminal__body p:nth-child(8) { animation-delay: 6.0s; }

@keyframes lineIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.terminal__text--dim { color: #5b6980; }
.terminal__text--ok { color: #22c55e; }
.terminal__text--warning { color: #eab308; }
.terminal__text--error { color: #ef4444; }
.terminal__text--accent { color: var(--accent); }

.terminal__cursor { animation: lineIn 0.3s ease forwards, blink 1s step-end infinite 6.2s; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- advantages ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.adv:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-2-rgb), 0.5);
  box-shadow: var(--shadow);
}

.adv__num {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 16px;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.35;
  transition: opacity var(--transition);
}
.adv:hover .adv__num { opacity: 1; }

.adv h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.adv p { font-size: 15px; color: var(--text-muted); }

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 36px 26px 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.step:hover { transform: translateY(-6px); border-color: var(--accent); }

.step__badge {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  background: var(--accent-grad);
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.4);
}

.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step p { font-size: 14.5px; color: var(--text-muted); }

/* ---------- CTA / contacts ---------- */
.section--cta { padding-bottom: 130px; }

.cta {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding: 56px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 85% -10%, rgba(var(--accent-rgb), 0.18), transparent 55%),
    var(--surface);
  box-shadow: var(--shadow);
}

.cta__info .section__title { margin-bottom: 16px; }
.cta__info .section__desc { margin-bottom: 32px; }

.cta__contacts { display: flex; flex-direction: column; gap: 14px; }

.cta__contact {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 600;
  transition: color var(--transition);
  width: fit-content;
}
.cta__contact svg { width: 22px; height: 22px; color: var(--accent); }
.cta__contact:hover { color: var(--accent); }

/* form */
.form { display: flex; flex-direction: column; gap: 18px; }

.form__group { display: flex; flex-direction: column; gap: 8px; }
.form__group label { font-size: 14px; font-weight: 600; color: var(--text-muted); }

.form__input,
.form__textarea {
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form__textarea {
  height: 96px;
  min-height: 96px;
  max-height: 96px;
  resize: none;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--accent) 65%, var(--text-muted)) color-mix(in srgb, var(--bg) 82%, transparent);
}

.form__textarea::-webkit-scrollbar { width: 8px; }
.form__textarea::-webkit-scrollbar-track {
  margin: 7px 0;
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}
.form__textarea::-webkit-scrollbar-thumb {
  border: 2px solid var(--bg);
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 65%, var(--text-muted));
}
.form__textarea::-webkit-scrollbar-thumb:hover { background: var(--accent); }
.form__input:focus,
.form__textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.18);
}
.form__input--error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form__consent {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.form__checkbox {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form__checkmark {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.form__checkmark::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  opacity: 0;
  transform: rotate(45deg);
}

.form__checkbox:checked + .form__checkmark {
  border-color: var(--accent);
  background: var(--accent);
}

.form__checkbox:checked + .form__checkmark::after { opacity: 1; }
.form__checkbox:focus-visible + .form__checkmark { box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2); }
.form__consent-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.form__consent--error {
  border-color: #ef4444;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.07);
}

.form__consent--error .form__checkmark { border-color: #ef4444; }

.form__submit { width: 100%; }
.form__note { font-size: 12.5px; color: var(--text-muted); text-align: center; }

.form--sent { position: relative; }
.form__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 32px 0;
  animation: lineIn 0.5s ease;
}
.form__success svg { width: 56px; height: 56px; color: #22c55e; }
.form__success h3 { font-size: 20px; }
.form__success p { color: var(--text-muted); font-size: 15px; }

/* ---------- footer ---------- */
.footer {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(circle at 12% 8%, rgba(var(--accent-rgb), 0.12), transparent 32%),
    var(--bg-alt);
  transition: background var(--transition);
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(96, 165, 250, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(96, 165, 250, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}

.footer > .container { position: relative; }

.footer__main {
  display: grid;
  grid-template-columns: minmax(300px, 1.05fr) minmax(480px, 1.8fr);
  gap: clamp(48px, 7vw, 100px);
  padding-top: 72px;
  padding-bottom: 48px;
}

.footer__company { min-width: 0; }
.footer__logo { margin-bottom: 28px; }
.footer__logo .logo__image { width: min(242px, 100%); }

.footer__legal-details {
  max-width: 460px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.footer__legal-details > p + p,
.footer__address { margin-top: 14px; }

.footer__requisites {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin-top: 18px;
}

.footer__requisite {
  display: flex;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.footer__requisite dt { color: var(--text-muted); }
.footer__requisite dd { color: var(--text); font-weight: 600; }
.footer__address { color: var(--text-muted); font-style: normal; }

.footer__socials {
  display: flex;
  gap: 10px;
}

.footer__social {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  background: var(--card-bg);
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.footer__social:hover {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
  transform: translateY(-3px);
}

.footer__social--youtube:hover {
  border-color: #ff0033;
  background: #ff0033;
}

.footer__social svg,
.footer__contact svg {
  width: 21px;
  height: 21px;
  fill: currentColor;
}

.footer__navigation {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.25fr;
  gap: clamp(28px, 4vw, 56px);
  align-content: start;
}

.footer__heading {
  margin-bottom: 20px;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer__links { display: grid; gap: 12px; list-style: none; }

.footer__link,
.footer__policy a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color var(--transition), transform var(--transition);
}

.footer__link { display: inline-flex; }
.footer__link:hover { color: var(--accent); transform: translateX(4px); }

.footer__contact-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 28px;
  border-top: 1px solid var(--border);
}

.footer__contacts { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }

.footer__contact {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.footer__contact svg { color: var(--accent); }
.footer__contact:hover {
  border-color: rgba(var(--accent-rgb), 0.35);
  background: rgba(var(--accent-rgb), 0.08);
  transform: translateY(-2px);
}
.footer__cta { flex: 0 0 auto; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px 32px;
  padding-top: 24px;
  padding-bottom: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12.5px;
}

.footer__policy { display: flex; flex-wrap: wrap; gap: 12px 26px; }
.footer__policy a:hover { color: var(--accent); }
/* ---------- notifications ---------- */
.notice-stack {
	position: fixed;
	z-index: 2100;
	top: 88px;
	right: 24px;
	display: flex;
	flex-direction: column;
	gap: 10px;
  align-items: flex-end;
  width: min(360px, calc(100vw - 32px));
  pointer-events: none;
}

.notice {
  --notice-accent: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
	width: max-content;
	max-width: 100%;
	min-height: 44px;
  padding: 10px 15px 10px 13px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--notice-accent) 30%, var(--border));
  border-radius: 12px;
  color: var(--text);
  background: var(--card-bg);
  background: color-mix(in srgb, var(--card-bg) 86%, transparent);
  box-shadow: inset 3px 0 0 var(--notice-accent), var(--shadow-lg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 13.5px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-14px) scale(0.98);
	transform-origin: top right;
	transition:
		opacity 0.45s ease,
		transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    background var(--transition);
}

.notice--success { --notice-accent: #22c55e; }
.notice--info { --notice-accent: var(--accent); }
.notice--error { --notice-accent: #ef4444; }

.notice__icon {
  display: grid;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid var(--notice-accent);
  border-radius: 50%;
  color: var(--notice-accent);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.notice__text { min-width: 0; }

.notice--visible {
	opacity: 1;
	transform: translateY(0) scale(1);
}

.notice--leaving {
	opacity: 0;
	transform: translateY(-72px) scale(0.98);
}

@media (max-width: 768px) {
  .notice-stack {
    top: 76px;
    right: auto;
    left: 50%;
    align-items: stretch;
    width: min(360px, calc(100% - 32px));
    transform: translateX(-50%);
  }

  .notice {
    width: 100%;
    background: color-mix(in srgb, var(--card-bg) 70%, transparent);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    transform-origin: top center;
  }
}
/* ---------- reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal--visible { opacity: 1; transform: translateY(0); }

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .terminal__body p { opacity: 1; animation: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; }
}

/* ---------- responsive ---------- */
/* Шапка: ужимаем навигацию на средних ширинах, чтобы пункты не переносились */
@media (max-width: 1280px) {
  .logo__image { width: 180px; }
  .nav { gap: 20px; }
  .nav__link { font-size: 14px; }
}

@media (max-width: 1140px) {
  .header__cta { display: none; }
}

@media (max-width: 1024px) {
  .cards-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .tech { grid-template-columns: 1fr; gap: 48px; }
  .cta { grid-template-columns: 1fr; padding: 40px 32px; }
  .header__cta { display: none; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }
  .nav--open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__link { padding: 12px 0; font-size: 17px; }

  .burger { display: flex; }
  .logo__image { width: 170px; }

  .hero { padding-top: 120px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }

  .section { padding: 72px 0; }
  .cards-grid, .adv-grid, .steps { grid-template-columns: 1fr; }

  .footer__main {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 32px;
    padding-bottom: 20px;
  }

  .footer__company,
  .footer__group {
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--card-bg) 78%, transparent);
    box-shadow: var(--shadow-sm);
  }

  .footer__company {
    padding: 20px;
    border-radius: 16px;
  }

  .footer__logo { margin-bottom: 16px; }
  .footer__logo .logo__image { width: 190px; }
  .footer__legal-details { max-width: none; font-size: 12px; line-height: 1.5; }
  .footer__legal-details > p + p, .footer__address { margin-top: 10px; }
  .footer__requisites { gap: 6px 14px; margin-top: 12px; }
  .footer__requisite { padding-bottom: 6px; }

  .footer__navigation {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .footer__group {
    padding: 18px;
    border-radius: 14px;
  }

  .footer__group:nth-child(3) { grid-column: 1 / -1; }
  .footer__group:nth-child(3) .footer__links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__heading { margin-bottom: 13px; font-size: 12px; }
  .footer__links { gap: 9px; }
  .footer__link { font-size: 12.5px; line-height: 1.35; }

  .footer__contact-bar,
  .footer__bottom {
    align-items: stretch;
    flex-direction: column;
  }

  .footer__contact-bar { gap: 14px; padding-top: 20px; padding-bottom: 20px; }
  .footer__contacts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; width: 100%; }
  .footer__contact { padding: 10px; border-color: var(--border); background: color-mix(in srgb, var(--card-bg) 72%, transparent); font-size: 13px; }
  .footer__socials { grid-column: 1 / -1; }
  .footer__cta { width: 100%; }

  .footer__bottom { gap: 14px; padding-top: 18px; padding-bottom: 20px; font-size: 11.5px; }
  .footer__policy { gap: 9px 18px; }
}

@media (max-width: 520px) {
  .form__row { grid-template-columns: 1fr; }
  .form__textarea { height: 88px; min-height: 88px; max-height: 88px; }
  .footer__company { padding: 17px; }
  .footer__navigation { grid-template-columns: 1fr; }
  .footer__group { padding: 16px; }
  .footer__group:nth-child(3) { grid-column: auto; }
  .footer__links,
  .footer__group:nth-child(3) .footer__links { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 14px; }
  .footer__requisites { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__contacts { grid-template-columns: 1fr; }
  .footer__socials { grid-column: auto; }
  .footer__contact { width: 100%; }
  .footer__policy { flex-direction: column; }
}
/* ---------- touch devices: no sticky hover ---------- */
@media (hover: none) and (pointer: coarse) {
  .btn--primary:hover {
    transform: none;
    box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.35);
  }

  .btn--ghost:hover {
    color: var(--text);
    border-color: var(--border);
    transform: none;
  }

  .nav__link:hover { color: var(--text-muted); }
  .nav__link:hover::after { width: 0; }
  .theme-toggle:hover { border-color: var(--border); transform: none; }
  .stat:hover { border-color: var(--border); transform: none; }

  .card:hover {
    border-color: var(--border);
    background: var(--surface);
    box-shadow: none;
    transform: none;
  }

  .card:hover .card__icon { transform: none; }
  .card__link:hover { gap: 8px; }

  .adv:hover {
    border-color: var(--border);
    box-shadow: none;
    transform: none;
  }

  .adv:hover .adv__num { opacity: 0.35; }
  .step:hover { border-color: var(--border); transform: none; }
  .cta__contact:hover { color: inherit; }

  .footer__social:hover,
  .footer__social--youtube:hover {
    color: var(--text-muted);
    border-color: var(--border);
    background: var(--card-bg);
    transform: none;
  }

  .footer__link:hover {
    color: var(--text-muted);
    transform: none;
  }

  .footer__contact:hover {
    border-color: transparent;
    background: transparent;
    transform: none;
  }

  .footer__policy a:hover { color: var(--text-muted); }
}

@media (hover: none) and (pointer: coarse) and (max-width: 768px) {
  .footer__contact:hover {
    border-color: var(--border);
    background: color-mix(in srgb, var(--card-bg) 72%, transparent);
  }
}