/* ─── Fixed Controls (top-right) ─── */
.controls {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(17,17,19,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 6px;
}

:root[data-theme="light"] .controls {
  background: rgba(255,255,255,0.75);
}

.controls-divider {
  width: 1px;
  height: 16px;
  background: var(--border-strong);
  margin: 0 8px;
}

.btn-theme {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-1);
  border-radius: var(--radius-pill);
  transition: color var(--duration-fast) var(--ease);
}

.btn-theme:hover {
  color: var(--fg-0);
}

.btn-theme svg {
  transition: transform var(--duration-base) var(--ease);
}

.btn-theme:active svg {
  transform: rotate(180deg);
}

.btn-theme .icon-sun { display: none; }
:root[data-theme="light"] .btn-theme .icon-moon { display: none; }
:root[data-theme="light"] .btn-theme .icon-sun { display: block; }

.lang-switcher {
  display: flex;
  gap: 2px;
}

.btn-lang {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--fg-1);
  transition: background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);
}

.btn-lang.active {
  background: var(--fg-0);
  color: var(--bg-0);
}

.btn-lang:not(.active):hover {
  color: var(--fg-0);
}

/* ─── Nav Pill (top-center) ─── */
.nav-pill {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(17,17,19,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 12px;
}

:root[data-theme="light"] .nav-pill {
  background: rgba(255,255,255,0.75);
}

.nav-pill a {
  display: flex;
  align-items: center;
  gap: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  color: var(--fg-1);
  overflow: hidden;
  transition:
    background var(--duration-base) var(--ease),
    border-color var(--duration-base) var(--ease),
    color var(--duration-base) var(--ease),
    width 280ms var(--ease);
  padding: 0 10px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.nav-pill a svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.nav-pill a .nav-label {
  font-size: 13px;
  font-weight: 500;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  transition:
    max-width 280ms var(--ease),
    opacity 200ms 80ms var(--ease),
    margin-left 280ms var(--ease);
  margin-left: 0;
}

.nav-pill a:hover .nav-label,
.nav-pill a.active .nav-label {
  max-width: 80px;
  opacity: 1;
  margin-left: 8px;
}

.nav-pill a:hover,
.nav-pill a.active {
  width: auto;
  padding-right: 14px;
  color: var(--fg-0);
  background: var(--bg-2);
  border-color: var(--border-strong);
}

@media (max-width: 640px) {
  .nav-pill {
    top: auto;
    bottom: 16px;
    transform: translateX(-50%);
  }

  .nav-pill a .nav-label {
    display: none;
  }

  .nav-pill a.active .nav-label {
    display: block;
    max-width: 80px;
    opacity: 1;
    margin-left: 8px;
  }

  .nav-pill a.active {
    width: auto;
    padding-right: 14px;
  }
}

/* Узкие экраны (iPhone SE и старые Android): nav-pill из 6 пунктов должен влезать в 320px */
@media (max-width: 360px) {
  .nav-pill {
    gap: 2px;
    padding: 6px 8px;
  }

  .nav-pill a {
    width: 36px;
    height: 36px;
  }

  .nav-pill a.active .nav-label {
    max-width: 52px;
    margin-left: 6px;
    font-size: 12px;
  }

  .nav-pill a.active {
    padding-right: 10px;
  }
}

/* Тач-устройства до ~10 дюймов (смартфоны, планшеты): в меню только иконки,
   без подписей — текст не влезает и обрезается. Десктопы и ноутбуки любой
   ширины окна не затрагиваются (у них hover: hover / pointer: fine). */
@media (hover: none) and (pointer: coarse) and (max-width: 1024px) {
  .nav-pill a .nav-label,
  .nav-pill a:hover .nav-label,
  .nav-pill a.active .nav-label {
    display: none;
  }

  .nav-pill a:hover,
  .nav-pill a.active {
    width: 40px;
    padding-right: 10px;
  }
}

@media (hover: none) and (pointer: coarse) and (max-width: 360px) {
  .nav-pill a:hover,
  .nav-pill a.active {
    width: 36px;
  }
}

/* ─── Card ─── */
.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition:
    transform var(--duration-base) var(--ease),
    border-color var(--duration-base) var(--ease),
    background var(--duration-base) var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: var(--bg-2);
}

.card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: 16px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 8px;
}

.card-text {
  font-size: 0.9rem;
  color: var(--fg-1);
  line-height: 1.6;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

/* Clickable card (docs) */
.card--doc {
  cursor: pointer;
  position: relative;
}

.card--doc .card-doc-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--fg-2);
  transition: color var(--duration-fast) var(--ease);
}

.card--doc:hover .card-doc-icon {
  color: var(--accent);
}

/* ─── Button ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  color: var(--fg-0);
  font-size: 0.9rem;
  font-weight: 500;
  transition:
    background var(--duration-fast) var(--ease),
    border-color var(--duration-base) var(--ease),
    color var(--duration-fast) var(--ease);
}

.btn:hover {
  background: var(--bg-2);
  border-color: var(--accent);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Badge (availability) ─── */
.badge-available {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-pill);
  background: rgba(34,197,94,0.06);
  font-size: 0.875rem;
  color: var(--success);
}

:root[data-theme="light"] .badge-available {
  border-color: rgba(22,163,74,0.3);
  background: rgba(22,163,74,0.06);
}

.badge-available::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(34,197,94,0.6);
  animation: pulse-dot 2s ease-out infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0   rgba(34,197,94,0.6); }
  70%  { box-shadow: 0 0 0 9px rgba(34,197,94,0);   }
  100% { box-shadow: 0 0 0 0   rgba(34,197,94,0);   }
}

/* ─── Social Icons ─── */
.social-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-1);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}

.social-link:hover {
  color: var(--fg-0);
  background: var(--bg-2);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* ─── Section Header ─── */
.section-header {
  margin-bottom: 40px;
}

.section-header p {
  margin-top: 12px;
  max-width: 560px;
}

/* ─── Stat Item ─── */
.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat-number {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--fg-0);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-1);
  margin-top: 8px;
  line-height: 1.4;
}

/* ─── Blockquote Case ─── */
.case-block {
  border-left: 2px solid var(--accent);
  padding: 16px 20px;
  margin: 0;
  background: var(--bg-1);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.case-block p {
  color: var(--fg-1);
  font-size: 0.9rem;
  margin: 0;
}

.case-block strong {
  display: block;
  margin-bottom: 4px;
  color: var(--fg-0);
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--fg-2);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

@media (max-width: 400px) {
  .footer-nav {
    gap: 12px 16px;
    justify-content: center;
  }
  .footer-inner {
    justify-content: center;
    text-align: center;
  }
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--fg-2);
  transition: color var(--duration-fast) var(--ease);
}

.footer-nav a:hover {
  color: var(--fg-0);
}

/* ─── Modal ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 350ms var(--ease);
}

.modal-overlay.is-open {
  opacity: 1;
}

.modal-inner {
  position: relative;
  max-width: min(90vw, 1024px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(48px) scale(0.88);
  transition:
    opacity 450ms ease,
    transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.is-open .modal-inner {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 60ms;
}

.modal-inner--text {
  max-width: min(90vw, 540px);
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow-y: auto;
  align-items: flex-start;
  gap: 0;
}

.modal-text-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 20px;
  padding-right: 32px;
}

.modal-text-body {
  font-size: 0.9rem;
  color: var(--fg-1);
  line-height: 1.65;
}

.modal-text-body p {
  margin-bottom: 12px;
}

.modal-text-body p:last-child {
  margin-bottom: 0;
}

.modal-inner--text .modal-close {
  top: 12px;
  right: 12px;
}

.modal-inner img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  object-fit: contain;
}

.modal-caption {
  font-size: 0.875rem;
  color: var(--fg-1);
  text-align: center;
}

.modal-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--fg-1);
  transition: color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
  z-index: 1;
}

.modal-close:hover {
  color: var(--fg-0);
  transform: scale(1.1);
}

/* ─── Contact Form ─── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.875rem;
  color: var(--fg-1);
  font-weight: 500;
}

.form-input,
.form-textarea {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--fg-0);
  transition: border-color var(--duration-fast) var(--ease);
  resize: vertical;
  width: 100%;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--fg-2);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-captcha-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.form-captcha-img {
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.form-agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--fg-2);
}

.form-agree input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.form-agree a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.privacy-link:hover {
  opacity: 0.8;
}

.form-error-msg {
  font-size: 0.8rem;
  color: #f87171;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--accent);
  color: #0a0a0b;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: opacity var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
  align-self: flex-start;
}

.btn-submit:hover {
  opacity: 0.9;
}

.btn-submit:active {
  transform: scale(0.98);
}

.form-success-msg {
  display: none;
  padding: 16px 20px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-md);
  color: var(--success);
  font-size: 0.9rem;
}

.form-success-msg.is-visible {
  display: block;
}

/* Override prefers-reduced-motion for functional animations
   base.css uses *::before { animation-duration: 0.01ms !important }
   Higher specificity + !important here wins (class > universal, loaded later) */
@media (prefers-reduced-motion: reduce) {
  .badge-available::before {
    animation-duration: 2s !important;
    animation-iteration-count: infinite !important;
  }

  .modal-overlay {
    transition: opacity 350ms var(--ease) !important;
  }

  .modal-inner {
    transition: opacity 450ms ease, transform 600ms cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  .modal-overlay.is-open .modal-inner {
    transition-delay: 60ms !important;
  }
}