/* ============================================
   LETIM — Стили публичной части
   ============================================ */

/* ── Header ── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.08); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 32px;
}
.header__logo {
  font-size: 1.4rem; font-weight: 900; color: var(--c-text);
  letter-spacing: -.03em; display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.header__logo span { color: var(--c-primary); }
.header__logo-dot { width: 7px; height: 7px; background: var(--c-primary); border-radius: 50%; display: inline-block; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  font-size: .9rem; font-weight: 500; color: var(--c-text-muted);
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--c-text); background: var(--c-bg); }

.header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* Burger */
.burger {
  display: none; flex-direction: column; gap: 5px;
  width: 32px; height: 32px; justify-content: center;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.burger span { display: block; height: 2px; background: var(--c-text); border-radius: 2px; transition: all .3s; }
.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
  display: none; position: absolute; top: 68px; left: 0; right: 0;
  background: var(--c-white); border-bottom: 1px solid var(--c-border);
  padding: 16px; flex-direction: column; gap: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav__link { padding: 12px 16px; }

/* ── Hero ── */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #F0F5FF 0%, #F8F9FB 60%, #F0FDF4 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: -150px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(16,185,129,.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
  position: relative; z-index: 1;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #EFF6FF; color: var(--c-primary);
  font-size: .8rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 24px;
  border: 1px solid rgba(37,99,235,.15);
}
.hero__badge-dot { width: 6px; height: 6px; background: var(--c-primary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

.hero__title { margin-bottom: 20px; }
.hero__title em { color: var(--c-primary); font-style: normal; }
.hero__desc { font-size: 1.1rem; color: var(--c-text-muted); margin-bottom: 36px; max-width: 480px; }
.hero__actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero__stats {
  display: flex; gap: 32px; margin-top: 48px; padding-top: 48px;
  border-top: 1px solid var(--c-border);
}
.hero__stat-num { font-size: 1.75rem; font-weight: 800; color: var(--c-text); line-height: 1; }
.hero__stat-label { font-size: .8rem; color: var(--c-text-muted); margin-top: 4px; }

/* Hero visual */
.hero__visual { position: relative; }
.hero__card-main {
  background: var(--c-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 28px;
  border: 1px solid var(--c-border);
}
.hero__card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.hero__card-icon { width: 40px; height: 40px; background: #EFF6FF; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--c-primary); font-size: 1.1rem; }
.hero__card-title { font-weight: 700; font-size: .95rem; }
.hero__card-sub { font-size: .8rem; color: var(--c-text-muted); }
.hero__progress-list { display: flex; flex-direction: column; gap: 14px; }
.hero__progress-item { display: flex; flex-direction: column; gap: 6px; }
.hero__progress-meta { display: flex; justify-content: space-between; font-size: .8rem; font-weight: 500; }
.hero__progress-bar { height: 6px; background: var(--c-bg); border-radius: 100px; overflow: hidden; }
.hero__progress-fill { height: 100%; border-radius: 100px; background: var(--c-primary); }
.hero__progress-fill--green { background: var(--c-green); }
.hero__progress-fill--orange { background: var(--c-orange); }

.hero__card-float {
  position: absolute; background: var(--c-white);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-border); padding: 14px 18px;
}
.hero__card-float--tl { top: -24px; left: -24px; }
.hero__card-float--br { bottom: -20px; right: -20px; }
.hero__float-label { font-size: .75rem; color: var(--c-text-muted); margin-bottom: 2px; }
.hero__float-val { font-size: 1.1rem; font-weight: 800; color: var(--c-text); }
.hero__float-val--green { color: var(--c-green); }

/* ── How it works ── */
.how { background: var(--c-white); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head p { max-width: 520px; margin: 12px auto 0; font-size: 1.05rem; }
.section-label {
  display: inline-block; font-size: .75rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--c-primary);
  margin-bottom: 12px;
}
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps::before {
  content: '';
  position: absolute; top: 32px; left: calc(12.5% + 20px); right: calc(12.5% + 20px);
  height: 2px; background: var(--c-border);
}
.step { text-align: center; padding: 0 16px; position: relative; z-index: 1; }
.step__num {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--c-white); border: 2px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.25rem; font-weight: 800; color: var(--c-primary);
  transition: all var(--transition);
}
.step:hover .step__num { background: var(--c-primary); color: #fff; border-color: var(--c-primary); box-shadow: 0 4px 20px rgba(37,99,235,.3); }
.step__title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step__desc { font-size: .85rem; color: var(--c-text-muted); line-height: 1.6; }

/* ── Features ── */
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 32px;
  transition: all var(--transition);
}
.feature-card:hover { border-color: var(--c-primary); box-shadow: 0 4px 24px rgba(37,99,235,.1); transform: translateY(-2px); }
.feature-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: #EFF6FF; display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}
.feature-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card__desc { font-size: .875rem; color: var(--c-text-muted); line-height: 1.65; }

/* ── Cases preview ── */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.case-card__cover {
  height: 180px; background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; position: relative; overflow: hidden;
}
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.case-card__niche {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,.9); backdrop-filter: blur(4px);
  font-size: .75rem; font-weight: 600; color: var(--c-text);
  padding: 4px 10px; border-radius: 100px;
}
.case-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.case-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.case-card__desc { font-size: .85rem; color: var(--c-text-muted); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.case-card__result {
  display: flex; align-items: center; gap: 8px;
  background: #ECFDF5; border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: .85rem;
}
.case-card__result-icon { color: var(--c-green); font-size: 1rem; }
.case-card__result strong { color: var(--c-green); font-weight: 700; }

/* ── Pricing ── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.plan-card {
  background: var(--c-white); border: 2px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 36px;
  position: relative; transition: all var(--transition);
}
.plan-card:hover { box-shadow: var(--shadow-lg); }
.plan-card--popular {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.08);
}
.plan-card__badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-primary); color: #fff;
  font-size: .75rem; font-weight: 700; letter-spacing: .04em;
  padding: 5px 16px; border-radius: 100px; white-space: nowrap;
}
.plan-card__name { font-size: .85rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-text-muted); margin-bottom: 8px; }
.plan-card__price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px; }
.plan-card__amount { font-size: 2.5rem; font-weight: 900; color: var(--c-text); line-height: 1; }
.plan-card__currency { font-size: 1.1rem; font-weight: 700; color: var(--c-text-muted); }
.plan-card__period { font-size: .85rem; color: var(--c-text-muted); margin-bottom: 24px; }
.plan-card__desc { font-size: .875rem; color: var(--c-text-muted); margin-bottom: 24px; line-height: 1.6; }
.plan-card__divider { height: 1px; background: var(--c-border); margin-bottom: 24px; }
.plan-card__features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.plan-card__feature {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .875rem; color: var(--c-text);
}
.plan-card__feature-icon { color: var(--c-green); flex-shrink: 0; margin-top: 1px; font-size: .9rem; }

/* ── Plan card — discount elements ── */
.plan-card__old-price {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text-muted);
  text-decoration: line-through;
  opacity: .6;
  margin-bottom: 2px;
}
.plan-card__discount-badge {
  display: inline-block;
  background: #ECFDF5;
  color: var(--c-green);
  font-size: .78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 8px;
}
.plan-card__total {
  font-size: .82rem;
  color: var(--c-text-muted);
  margin-bottom: 16px;
  line-height: 1.4;
}
.plan-card__total strong {
  color: var(--c-text);
  font-weight: 700;
}

/* ── Period switcher ── */
.period-switcher {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-bottom: 40px;
  background: var(--c-bg);
  border-radius: var(--radius);
  padding: 5px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}
.period-switcher__btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.period-switcher__btn:hover {
  color: var(--c-text);
}
.period-switcher__btn.active {
  background: var(--c-white);
  color: var(--c-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

/* ── FAQ ── */
.faq { background: var(--c-white); }
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  border: 1.5px solid var(--c-border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--c-primary); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: .95rem; font-weight: 600; color: var(--c-text);
  text-align: left; gap: 16px;
}
.faq-question:hover { background: var(--c-bg); }
.faq-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--c-bg); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: var(--c-text-muted);
  transition: all var(--transition);
}
.faq-item.open .faq-icon { background: var(--c-primary); color: #fff; transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer__inner { padding: 0 24px 20px; font-size: .9rem; color: var(--c-text-muted); line-height: 1.75; }

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--c-primary) 0%, #1D4ED8 100%);
  border-radius: var(--radius-lg); padding: 64px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,.06); border-radius: 50%;
}
.cta-banner::after {
  content: '';
  position: absolute; bottom: -60px; left: -60px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,.06); border-radius: 50%;
}
.cta-banner h2 { color: #fff; position: relative; z-index: 1; }
.cta-banner p { color: rgba(255,255,255,.8); margin: 16px auto 32px; max-width: 480px; font-size: 1.05rem; position: relative; z-index: 1; }
.cta-banner .btn--white {
  background: #fff; color: var(--c-primary); border-color: #fff; position: relative; z-index: 1;
}
.cta-banner .btn--white:hover { background: #EFF6FF; color: var(--c-primary-h); }

/* ── Footer ── */
.footer {
  background: var(--c-text); color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer__logo {
  font-size: 1.4rem; font-weight: 900; color: #fff;
  letter-spacing: -.03em; margin-bottom: 12px; display: block;
}
.footer__logo span { color: var(--c-primary); }
.footer__desc { font-size: .875rem; line-height: 1.7; margin-bottom: 24px; }
.footer__socials { display: flex; gap: 12px; }
.footer__social {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6); font-size: .9rem; transition: all var(--transition);
}
.footer__social:hover { background: var(--c-primary); color: #fff; }
.footer__col-title { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: .875rem; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer__link:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .8rem; color: rgba(255,255,255,.3);
}

/* ── Blog cards (public) ── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition); display: flex; flex-direction: column;
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card__cover { height: 200px; background: var(--c-bg); overflow: hidden; }
.blog-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.blog-card:hover .blog-card__cover img { transform: scale(1.04); }
.blog-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card__date { font-size: .75rem; color: var(--c-text-muted); margin-bottom: 10px; }
.blog-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: var(--c-text); line-height: 1.4; }
.blog-card__title:hover { color: var(--c-primary); }
.blog-card__excerpt { font-size: .85rem; color: var(--c-text-muted); line-height: 1.65; flex: 1; }
.blog-card__more { margin-top: 16px; font-size: .85rem; font-weight: 600; color: var(--c-primary); display: flex; align-items: center; gap: 4px; }

/* ── Knowledge base ── */
.kb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kb-cat-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 28px; transition: all var(--transition);
  text-decoration: none; display: block;
}
.kb-cat-card:hover { border-color: var(--c-primary); box-shadow: 0 4px 20px rgba(37,99,235,.1); transform: translateY(-2px); }
.kb-cat-card__icon { font-size: 2rem; margin-bottom: 14px; }
.kb-cat-card__title { font-size: 1rem; font-weight: 700; color: var(--c-text); margin-bottom: 6px; }
.kb-cat-card__count { font-size: .8rem; color: var(--c-text-muted); }

/* ── Page hero (inner pages) ── */
.page-hero { background: var(--c-white); border-bottom: 1px solid var(--c-border); padding: 56px 0; }
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { font-size: 1.05rem; max-width: 560px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .85rem; margin-bottom: 20px; }
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-text); }
.breadcrumb__sep { color: var(--c-border); }
.breadcrumb__current { color: var(--c-text-muted); }

/* ── Contacts ── */
.contacts-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-item__icon { width: 44px; height: 44px; background: #EFF6FF; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-item__label { font-size: .8rem; color: var(--c-text-muted); margin-bottom: 2px; }
.contact-item__value { font-size: .95rem; font-weight: 600; color: var(--c-text); }

/* ── Responsive public ── */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .steps::before { display: none; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .kb-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contacts-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 48px 32px; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header__actions .btn { display: none; }
  .steps { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
  .features__grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .kb-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 56px; }
  .hero__stats { gap: 20px; flex-wrap: wrap; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cta-banner { padding: 40px 24px; border-radius: var(--radius); }
}

/* ── Legal pages ── */
.legal-content {
  line-height: 1.8;
  color: var(--c-text);
}
.legal-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--c-text);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 20px 0 8px;
}
.legal-content p {
  margin: 0 0 12px;
  color: var(--c-text-secondary);
}
.legal-content ul, .legal-content ol {
  margin: 0 0 16px;
  padding-left: 24px;
}
.legal-content li {
  margin-bottom: 6px;
  color: var(--c-text-secondary);
}
.legal-content a {
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-content a:hover {
  color: var(--c-primary-dark);
}