/* =============================================================================
   Zenlai DS · landing — страница входа, регистрации и лендинг
   ============================================================================= */

#login-screen,
#register-screen {
  --lp-max: 1320px;
  --lp-pad: clamp(16px, 4vw, 48px);
  /* зерно для графитовых панелей */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

/* ============================== ВЕРХНЯЯ НАВИГАЦИЯ ============================== */
.lp-top {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  gap: var(--s-6);
  height: 72px;
  padding: 0 var(--lp-pad);
  background: color-mix(in srgb, var(--bg) 96%, transparent);
}
.lp-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--text);
  text-decoration: none;
}
.lp-brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px / 14px;
  background: var(--accent);
  color: var(--on-accent);
  --icon-duo: var(--on-accent);
  --icon-duo-opacity: 0.2;
}
.lp-brand-name {
  display: inline-flex;
  align-items: flex-start;
  gap: 4px;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -0.045em;
}
.lp-brand-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 5px;
  margin-top: 2px;
  border-radius: 4px;
  background: var(--text);
  color: var(--bg);
}
.lp-nav-links {
  display: flex;
  gap: var(--s-1);
  margin-left: auto;
}
.lp-nav-links a {
  padding: 8px 12px;
  border-radius: var(--r-md);
  color: var(--text-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
}
.lp-nav-links a:hover {
  color: var(--text);
  background: var(--surface-alt);
}
.lp-top-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.lp-top .android-dl {
  height: 34px;
}

/* ============================== ПЕРВЫЙ ЭКРАН ============================== */
.auth-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: var(--s-6);
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--s-2) var(--lp-pad) var(--s-16);
  scroll-margin-top: 72px;
}

/* --- информационная панель --- */
.auth-panel {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
  padding: clamp(28px, 4vw, 56px);
  border-radius: var(--r-xl);
  background: #131416;
  color: #ecebe6;
  /* в панели всегда «тёмные» токены, независимо от темы страницы */
  --text: #ecebe6;
  --text-2: #b9b8b1;
  --text-3: #8f8e87;
  --surface: #1c1d21;
  --surface-alt: #232428;
  --border: #2e2f34;
  --border-strong: #45464c;
  --icon-duo: var(--accent);
  --icon-duo-opacity: 0.9;
}
body.dark-theme .auth-panel {
  background: #0b0c0e;
  box-shadow: inset 0 0 0 1px #1f2024;
}
.auth-panel-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(207, 242, 74, 0.16), transparent 70%),
    var(--grain),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px) 0 0 / 32px 32px;
}
.auth-panel-eyebrow {
  color: var(--accent);
}
.auth-panel-title {
  max-width: 15ch;
  margin-top: calc(-1 * var(--s-5));
  font-size: clamp(34px, 4.2vw, var(--fs-5xl));
  font-weight: 800;
  letter-spacing: var(--ls-display);
  line-height: 1;
  color: #f7f6f2;
}
.auth-panel-lead {
  max-width: 54ch;
  margin-top: calc(-1 * var(--s-4));
  font-size: var(--fs-lg);
  line-height: 1.5;
  color: var(--text-2);
}
.auth-panel-title mark {
  background: none;
  color: var(--accent);
}

/* пункты прижаты к низу панели: заголовок сверху, преимущества снизу */
.auth-benefits {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5) var(--s-6);
  margin-top: auto;
  padding-top: var(--s-6);
  border-top: 1px solid var(--border);
}
.auth-benefit {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
}
.auth-benefit strong {
  display: block;
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #f7f6f2;
}
/* подпись пункта; не плитка с иконкой — она тоже <span> и должна остаться по центру */
.auth-benefit > div > span {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-sm);
  line-height: 1.45;
  color: var(--text-2);
}

/* плитка с иконкой — суперэллипс */
.ds-icon-tile {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 13px / 15px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
}
.auth-panel .ds-icon-tile {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}
.ds-icon-tile--dark {
  background: var(--text) !important;
  border-color: var(--text) !important;
  color: var(--bg) !important;
  --icon-duo: var(--accent);
  --icon-duo-opacity: 1;
}
.ds-icon-tile--signal {
  background: var(--signal) !important;
  border-color: var(--signal) !important;
  color: var(--on-signal) !important;
  --icon-duo: var(--on-signal);
  --icon-duo-opacity: 0.2;
}

/* мокап интерфейса */
.auth-mock {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: #0f1012;
  overflow: hidden;
  transform: rotate(-1.2deg);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}
.auth-mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.auth-mock-bar span {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--border-strong);
}
.auth-mock-bar span:first-child {
  background: var(--accent);
}
.auth-mock-bar em {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-style: normal;
  color: var(--text-3);
}
.auth-mock-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px;
}
.auth-mock-col {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 10px;
  border-radius: var(--r-md);
  background: #18191c;
}
.auth-mock-card {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px / 12px;
  background: #1f2024;
  font-size: var(--fs-xs);
  color: var(--text-2);
}
.auth-mock-card b {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #f7f6f2;
}
.auth-mock-card i {
  justify-self: start;
  font-style: normal;
}
.auth-mock-card.is-moving {
  animation: lp-card-travel 7s var(--ease-out) infinite;
}
.auth-mock-card.is-late {
  border-color: var(--signal);
}
@keyframes lp-card-travel {
  0%, 30% { transform: none; }
  45% { transform: translate(10px, -6px) rotate(2deg); border-color: var(--accent); }
  60%, 100% { transform: none; }
}

/* отзывы */
.auth-reviews {
  display: grid;
  gap: var(--s-4);
}
.auth-reviews-track {
  display: grid;
}
.auth-review {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
  pointer-events: none;
}
.auth-review.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.auth-review p {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: #f7f6f2;
}
.auth-review footer {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-top: var(--s-4);
}
.auth-review footer strong {
  display: block;
  font-size: var(--fs-sm);
  color: #f7f6f2;
}
.auth-review footer small {
  display: block;
  color: var(--text-3);
}
.ds-avatar {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px / 14px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
}
.auth-reviews-nav {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.auth-reviews-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 11px / 13px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out);
}
.auth-reviews-btn:hover {
  border-color: var(--accent);
  background: rgba(207, 242, 74, 0.08);
}
.auth-reviews-dots {
  display: flex;
  gap: 6px;
}
.auth-reviews-dots i {
  width: 18px;
  height: 4px;
  border-radius: 4px;
  background: var(--border-strong);
  transition: width var(--t-base) var(--ease-out), background-color var(--t-base) var(--ease-out);
}
.auth-reviews-dots i.is-active {
  width: 32px;
  background: var(--accent);
}

/* безопасность */
.auth-security {
  display: flex;
  gap: var(--s-4);
  align-items: flex-start;
  padding: var(--s-4);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-lg);
}
.auth-security strong {
  display: block;
  color: #f7f6f2;
}
.auth-security span {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.auth-security .ds-icon-tile--dark {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: var(--on-accent) !important;
  --icon-duo: var(--on-accent);
  --icon-duo-opacity: 0.2;
}

/* --- форма --- */
.auth-main {
  position: sticky;
  top: 80px;
  align-self: start;
  display: flex;
  justify-content: center;
  padding: var(--s-8) 0 var(--s-6);
}
.auth-container {
  width: 100%;
  max-width: 480px;
}
.auth-welcome h2 {
  margin: var(--s-2) 0 var(--s-2);
  font-size: clamp(30px, 3vw, 44px);
  letter-spacing: var(--ls-display);
  line-height: 1;
}
.auth-welcome > p:last-child {
  color: var(--text-2);
}
.auth-tabs {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 4px;
  margin: var(--s-6) 0 var(--s-5);
  border-radius: var(--r-lg);
  background: var(--surface-alt);
}
.auth-tabs.is-hidden {
  display: none;
}
.auth-tabs-indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc((100% - 8px) / 3);
  border-radius: var(--r-md);
  background: var(--text);
  transition: transform var(--t-slow) var(--ease-spring);
}
.auth-tabs:has(#tab-btn-register.auth-tab-btn--active) .auth-tabs-indicator {
  transform: translateX(100%);
}
.auth-tabs:has(#tab-btn-info.auth-tab-btn--active) .auth-tabs-indicator {
  transform: translateX(200%);
}
.auth-tab-btn {
  position: relative;
  z-index: 1;
  min-height: 40px;
  border: 0;
  background: none;
  color: var(--text-2);
  font-size: var(--fs-md);
  font-weight: 650;
  cursor: pointer;
  transition: color var(--t-base) var(--ease-out);
}
.auth-tab-btn:hover {
  color: var(--text);
}
.auth-tab-btn--active,
.auth-tab-btn--active:hover {
  color: var(--bg);
}

.auth-card {
  display: none;
}
.auth-card--active {
  display: block;
  animation: ds-page-in var(--t-slow) var(--ease-out);
}
.auth-form {
  display: grid;
  gap: var(--s-4);
}
.auth-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: var(--s-3);
}
.auth-container:has(#recover-form-card.auth-card--active) .auth-welcome {
  display: none;
}
.auth-field {
  display: grid;
  gap: 6px;
}
.auth-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.auth-label-text {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}
.auth-required {
  color: var(--signal-ink);
}
.auth-optional {
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-3);
}
.auth-input {
  width: 100%;
  min-height: 50px !important;
  font-size: var(--fs-lg) !important;
}
.auth-input.is-valid {
  border-color: var(--success) !important;
}
.auth-input[aria-invalid="true"] {
  border-color: var(--error) !important;
  background: color-mix(in srgb, var(--error-soft) 40%, var(--surface-raised)) !important;
}
.auth-input-wrap,
.auth-password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-input-wrap .auth-input {
  padding-left: 46px !important;
}
.auth-password-wrap .auth-input {
  padding-right: 52px !important;
}
.auth-input-icon {
  position: absolute;
  left: 16px;
  display: inline-flex;
  color: var(--text-3);
  pointer-events: none;
  transition: color var(--t-fast) var(--ease-out);
}
.auth-input-wrap:focus-within .auth-input-icon {
  color: var(--text);
}
.auth-password-toggle {
  position: absolute;
  right: 6px;
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 11px / 13px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}
.auth-password-toggle:hover {
  background: var(--surface-alt);
  color: var(--text);
}
.auth-error {
  min-height: 0;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--error);
}
.auth-error:empty {
  display: none;
}
.auth-hint {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

/* индикатор надёжности: 4 сегмента + подпись */
.auth-password-strength {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  align-items: center;
  gap: 4px;
  height: 18px;
  background:
    linear-gradient(var(--surface-sunken), var(--surface-sunken)) 0 50% / calc(25% - 3px) 5px no-repeat,
    linear-gradient(var(--surface-sunken), var(--surface-sunken)) calc(100% / 3 * 1) 50% / calc(25% - 3px) 5px no-repeat,
    linear-gradient(var(--surface-sunken), var(--surface-sunken)) calc(100% / 3 * 2) 50% / calc(25% - 3px) 5px no-repeat,
    linear-gradient(var(--surface-sunken), var(--surface-sunken)) 100% 50% / calc(25% - 3px) 5px no-repeat;
  position: relative;
  margin-right: 90px;
}
.auth-password-strength::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6.5px;
  height: 5px;
  width: 0;
  border-radius: 3px;
  background: var(--strength, transparent);
  transition: width var(--t-slow) var(--ease-out), background-color var(--t-slow) var(--ease-out);
}
.auth-password-strength::after {
  content: var(--strength-label, "");
  position: absolute;
  right: -90px;
  width: 84px;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--strength-ink, var(--text-3));
  text-align: right;
}
.auth-password-strength.weak { --strength: var(--error); --strength-label: "слабый"; --strength-ink: var(--error); }
.auth-password-strength.weak::before { width: calc(25% - 3px); }
.auth-password-strength.fair { --strength: var(--warning); --strength-label: "так себе"; --strength-ink: var(--warning-ink); }
.auth-password-strength.fair::before { width: calc(50% - 2px); }
.auth-password-strength.good { --strength: var(--accent-line); --strength-label: "хороший"; --strength-ink: var(--accent-ink); }
.auth-password-strength.good::before { width: calc(75% - 1px); }
.auth-password-strength.strong { --strength: var(--success); --strength-label: "надёжный"; --strength-ink: var(--success-ink); }
.auth-password-strength.strong::before { width: 100%; }

.auth-checks {
  display: grid;
  gap: var(--s-2);
}
.auth-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  font-size: var(--fs-sm);
  line-height: 1.4;
  color: var(--text-2);
  cursor: pointer;
}
.auth-checkbox-label input {
  margin-top: -1px;
}
.auth-link {
  color: var(--text);
  font-weight: 600;
}
.auth-link--small {
  font-size: var(--fs-sm);
}
.auth-submit {
  min-height: 54px;
  font-size: var(--fs-lg);
  margin-top: var(--s-1);
}
.auth-submit .icon {
  transition: transform var(--t-base) var(--ease-spring);
}
.auth-submit:hover .icon {
  transform: translateX(4px);
}
.auth-message {
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.auth-message--error {
  background: var(--error-soft);
  color: var(--error-ink);
}
.auth-message--success {
  background: var(--success-soft);
  color: var(--success-ink);
}
.auth-help-note,
.auth-info-banner {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  margin-top: var(--s-5);
  padding: var(--s-4);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-lg);
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.auth-info-banner {
  margin: 0 0 var(--s-5);
  border-style: solid;
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent-soft-ink);
}
.auth-legal {
  margin-top: var(--s-5);
  font-size: var(--fs-xs);
  color: var(--text-3);
  text-align: center;
}

.auth-card-title {
  font-size: var(--fs-2xl);
  letter-spacing: var(--ls-heading);
}
.auth-card-subtitle {
  margin: var(--s-2) 0 var(--s-5);
  color: var(--text-2);
}
.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--s-4);
  padding: 6px 10px 6px 6px;
  border: 0;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--text-2);
  font-weight: 600;
  cursor: pointer;
}
.auth-back:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.auth-steps-list {
  list-style: none;
  display: grid;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}
.auth-steps-list li {
  display: flex;
  gap: var(--s-4);
  align-items: baseline;
  padding-bottom: var(--s-3);
  border-bottom: 1px dashed var(--border-strong);
  color: var(--text-2);
}
.auth-steps-list strong {
  color: var(--text);
}
.auth-step-num {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: var(--ls-display);
  color: var(--text);
}
.auth-contacts {
  display: grid;
  gap: var(--s-2);
}
.auth-contact-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.auth-contact-card:hover {
  border-color: var(--text);
  transform: translateX(2px);
}
.auth-contact-card strong,
.auth-contact-card small {
  display: block;
}
.auth-contact-card small {
  color: var(--text-3);
}
.auth-recover-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}
.auth-recover-item {
  display: grid;
  gap: var(--s-2);
  align-content: start;
  padding: var(--s-4);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.auth-recover-item strong {
  color: var(--text);
}

/* ============================== СЕКЦИИ ЛЕНДИНГА ============================== */
.lp-section {
  max-width: var(--lp-max);
  margin: 0 auto;
  padding: var(--s-16) var(--lp-pad);
  scroll-margin-top: 72px;
}
.lp-head {
  max-width: 820px;
  margin-bottom: var(--s-10);
}
.lp-head h2 {
  margin-top: var(--s-3);
  font-size: clamp(30px, 4vw, var(--fs-4xl));
  letter-spacing: var(--ls-display);
  line-height: 1.02;
}
.lp-head-sub {
  margin-top: var(--s-4);
  color: var(--text-2);
}

/* шаги */
.lp-steps {
  list-style: none;
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
}
.lp-steps::before {
  content: "";
  position: absolute;
  top: 66px;
  left: 0;
  right: 0;
  border-top: 2px dashed var(--border-strong);
}
.lp-step {
  position: relative;
  display: grid;
  gap: var(--s-3);
  align-content: start;
}
.lp-step-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--ls-tag);
  color: var(--text-3);
}
.lp-step .ds-icon-tile {
  width: 56px;
  height: 56px;
  border-radius: 16px / 19px;
  background: var(--accent);
  border: 2px solid var(--text);
  color: var(--on-accent);
  --icon-duo: var(--on-accent);
  --icon-duo-opacity: 0.18;
}
.lp-step:nth-child(even) .ds-icon-tile {
  background: var(--text);
  color: var(--bg);
  --icon-duo: var(--accent);
  --icon-duo-opacity: 1;
}
.lp-step h3 {
  font-size: var(--fs-xl);
}
.lp-step p {
  color: var(--text-2);
}

/* bento */
.lp-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(240px, auto);
  gap: var(--s-3);
}
.lp-tile {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: var(--s-3);
  padding: var(--s-6);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--surface);
  transition: transform var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out);
}
/* обычная плитка: текст сверху, картинка прижата к низу */
.lp-tile:not(.lp-tile--wide) {
  display: flex;
  flex-direction: column;
}
.lp-tile:not(.lp-tile--wide) > :is(.lp-teeth, .lp-meter, .lp-bars, .lp-calc, .lp-prices, .lp-toggles) {
  margin-top: auto;
}
.lp-tile:hover {
  transform: translateY(-3px);
  border-color: var(--text);
}
.lp-tile h3 {
  font-size: var(--fs-xl);
}
.lp-tile p {
  color: var(--text-2);
}
.lp-tile--wide {
  grid-column: span 2;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  align-items: center;
  gap: var(--s-6);
}
.lp-tile-text {
  display: grid;
  gap: var(--s-3);
}
.lp-tile--dark {
  background: #131416;
  border-color: #131416;
  color: #ecebe6;
  --text: #ecebe6;
  --text-2: #b9b8b1;
  --surface-alt: #232428;
  --border: #2e2f34;
}
.lp-tile--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  --text: #131416;
  --text-2: #3b4220;
}
.lp-mini-cal {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
}
.lp-mini-cal span {
  color: var(--text-2);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 2px;
}
.lp-mini-cal i {
  min-width: 0;
  min-height: 60px;
  padding: 5px;
  border-radius: 8px / 9px;
  background: #1c1d21;
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.lp-mini-cal i.is-off {
  background: #17181b;
  opacity: 0.6;
}
.lp-mini-cal em {
  font-style: normal;
  font-weight: 700;
  color: var(--text-2);
}
.lp-mini-cal i.is-today {
  box-shadow: inset 0 0 0 1.5px var(--accent);
}
.lp-mini-cal i.is-today em {
  color: var(--accent);
}
.lp-mini-cal b {
  display: block;
  padding: 2px 4px;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-cal-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: var(--fs-xs);
  color: var(--text-2);
}
.lp-cal-legend li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.lp-cal-legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}
.c-lime { background: var(--accent); color: #131416; }
.c-dark { background: #ecebe6; color: #131416; }
.c-late { background: var(--signal); color: #131416; }
/* зубная формула: 8 зубов во всю ширину плитки, мост 16–13 (15, 14 — подвесные) */
.lp-teeth {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 4px;
}
.lp-teeth i {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-width: 0;
  border: 1.5px solid #131416;
  border-radius: 10px / 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}
.lp-teeth i.on {
  background: #131416;
  color: var(--accent);
}
.lp-teeth i.is-pontic {
  border-style: dashed;
  background: rgba(19, 20, 22, 0.12);
}
/* шкала VITA: выбран A2 */
.lp-vita {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}
.lp-vita span {
  padding: 3px 8px;
  border: 1.5px solid rgba(19, 20, 22, 0.35);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}
.lp-vita span.on {
  border-color: #131416;
  background: #131416;
  color: var(--accent);
}
.lp-meter {
  display: grid;
  gap: 8px;
  margin-top: auto;
}
.lp-meter span {
  position: relative;
  padding: 6px 10px;
  border-radius: 8px / 9px;
  background: var(--surface-alt);
  font-size: var(--fs-xs);
  font-weight: 600;
  overflow: hidden;
  isolation: isolate;
}
.lp-meter span::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--v);
  background: var(--accent);
  z-index: -1;
}
.lp-meter span.is-low::before {
  background: var(--signal);
}
.lp-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 90px;
  margin-top: auto;
}
.lp-bars i {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 2px 2px;
  background: var(--text);
  transform-origin: bottom;
  animation: lp-grow 1s var(--ease-out) both;
}
.lp-bars i.is-now {
  background: var(--accent);
  box-shadow: inset 0 0 0 1.5px var(--text);
}
@keyframes lp-grow {
  from { transform: scaleY(0.1); }
}
/* мини-доска CAD/CAM: этапы и у кого работа */
.lp-kanban {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}
.lp-kanban > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  min-height: 140px;
  padding: 6px;
  border-radius: 10px / 11px;
  background: var(--surface-alt);
}
.lp-kanban span {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-kanban b {
  display: block;
  padding: 6px 7px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  font-size: var(--fs-xs);
  font-weight: 700;
}
.lp-kanban b.is-hot {
  border-color: var(--text);
  box-shadow: inset 3px 0 0 var(--accent);
}
.lp-kanban small {
  display: block;
  margin-top: 2px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* расчёт моста */
.lp-calc {
  display: grid;
  gap: 6px;
  font-size: var(--fs-sm);
}
.lp-calc span {
  display: flex;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 8px / 9px;
  background: var(--surface-alt);
  color: var(--text-2);
}
.lp-calc span b {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.lp-calc strong {
  justify-self: end;
  font-size: var(--fs-xl);
  font-variant-numeric: tabular-nums;
}
/* цены клиники: каталог зачёркнут, цена клиники рядом */
.lp-prices {
  display: grid;
  gap: 6px;
  font-size: var(--fs-sm);
}
.lp-prices span {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 8px / 9px;
  background: var(--surface-alt);
}
.lp-prices s {
  margin-left: auto;
  color: var(--text-3);
}
.lp-prices b {
  font-variant-numeric: tabular-nums;
}
/* переключатели прав */
.lp-toggles {
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: var(--fs-sm);
}
.lp-toggles li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 8px / 9px;
  background: var(--surface-alt);
}
.lp-toggles li::after {
  content: "";
  width: 30px;
  height: 18px;
  border-radius: 9px;
  background: var(--border-strong) radial-gradient(circle at 9px 9px, #fff 6px, transparent 6.5px);
}
.lp-toggles li.on::after {
  background: var(--accent) radial-gradient(circle at 21px 9px, #131416 6px, transparent 6.5px);
}
.lp-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lp-chips li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: 600;
}

/* роли */
.lp-roles {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr);
  gap: var(--s-3);
}
.lp-role {
  display: grid;
  align-content: start;
  gap: var(--s-2);
  min-height: 220px;
  padding: var(--s-6);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: var(--surface);
}
.lp-role:first-child {
  background: #131416;
  border-color: #131416;
  color: #ecebe6;
}
.lp-role:first-child h3 {
  color: #f7f6f2;
}
.lp-role:first-child p {
  color: #b9b8b1;
}
.lp-role-tag {
  justify-self: start;
  margin-bottom: auto;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: var(--ls-tag);
  text-transform: uppercase;
}
.lp-role h3 {
  margin-top: var(--s-10);
  font-size: var(--fs-xl);
}
.lp-role p {
  color: var(--text-2);
}

/* тарифы */
.lp-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  align-items: stretch;
}
.lp-plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-8) var(--s-6) var(--s-6);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--surface);
}
.lp-plan h3 {
  font-size: var(--fs-2xl);
}
.lp-plan-for {
  color: var(--text-2);
}
.lp-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: var(--s-4) 0;
  border-top: 1px dashed var(--border-strong);
  border-bottom: 1px dashed var(--border-strong);
}
.lp-price b {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: var(--ls-display);
}
.lp-price span {
  color: var(--text-3);
}
.lp-plan ul {
  list-style: none;
  display: grid;
  gap: var(--s-2);
  margin-bottom: auto;
  padding-bottom: var(--s-4);
}
.lp-plan li {
  display: flex;
  gap: var(--s-2);
  align-items: center;
}
.lp-plan--featured {
  background: #131416;
  border-color: #131416;
  color: #ecebe6;
  transform: translateY(-12px);
  --text: #ecebe6;
  --text-2: #b9b8b1;
  --text-3: #8f8e87;
  --border-strong: #45464c;
}
.lp-plan--featured h3 {
  color: #f7f6f2;
}
.lp-plan-badge {
  position: absolute;
  top: -12px;
  left: var(--s-6);
  padding: 4px 10px;
  border-radius: var(--r-sm);
  background: var(--signal);
  color: var(--on-signal);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: var(--ls-tag);
  text-transform: uppercase;
}

/* кейсы */
.lp-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--text);
}
.lp-case {
  padding: var(--s-6) var(--s-6) var(--s-6) 0;
}
.lp-case + .lp-case {
  padding-left: var(--s-6);
  border-left: 1px dashed var(--border-strong);
}
.lp-case b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1;
}
.lp-case p {
  margin: var(--s-3) 0;
  font-size: var(--fs-lg);
}
.lp-case small {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* FAQ */
.lp-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--s-10);
  align-items: start;
}
.lp-faq-layout .lp-head {
  position: sticky;
  top: 96px;
}
.auth-faq-item {
  border-bottom: 1px solid var(--border-strong);
}
.auth-faq-item:first-child {
  border-top: 2px solid var(--text);
}
.auth-faq-item > summary {
  position: relative;
  padding: var(--s-5) var(--s-12) var(--s-5) 0;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.auth-faq-item > summary::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 36px;
  height: 36px;
  margin-top: -18px;
  border: 1.5px solid var(--border-strong);
  border-radius: 11px / 13px;
  background:
    linear-gradient(var(--text), var(--text)) center / 14px 2px no-repeat,
    linear-gradient(var(--text), var(--text)) center / 2px 14px no-repeat;
  transition: transform var(--t-base) var(--ease-spring), background-color var(--t-base) var(--ease-out);
}
.auth-faq-item[open] > summary::after {
  transform: rotate(45deg);
  background-color: var(--accent);
  border-color: var(--text);
}
.auth-faq-item > p {
  max-width: 62ch;
  padding: 0 0 var(--s-5);
  color: var(--text-2);
  font-size: var(--fs-lg);
  animation: ds-page-in var(--t-slow) var(--ease-out);
}

/* финальный CTA */
.lp-cta {
  position: relative;
  overflow: hidden;
  max-width: calc(var(--lp-max) - 2 * var(--lp-pad));
  margin: var(--s-8) auto var(--s-16);
  padding: clamp(32px, 6vw, 80px);
  border-radius: var(--r-xl);
  background: #131416;
  color: #ecebe6;
  --text: #ecebe6;
}
.lp-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grain);
  pointer-events: none;
}
.lp-cta .ds-eyebrow {
  color: var(--accent);
}
.lp-cta h2 {
  position: relative;
  max-width: 18ch;
  margin: var(--s-4) 0 var(--s-8);
  font-size: clamp(30px, 4.5vw, 60px);
  letter-spacing: var(--ls-display);
  line-height: 1;
  color: #f7f6f2;
}
.lp-cta-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}
.lp-cta .btn {
  min-height: 54px;
  padding: 0 var(--s-6);
  font-size: var(--fs-lg);
}
.lp-cta-secondary {
  --btn-bd: #45464c !important;
  --btn-fg: #ecebe6 !important;
  --btn-bg-hover: #232428 !important;
}
.lp-cta-art {
  position: absolute;
  right: -20px;
  bottom: -40px;
  color: var(--accent);
  transform: rotate(-14deg);
  --icon-duo: var(--accent);
  --icon-duo-opacity: 0.25;
}
.lp-cta-art .icon {
  width: clamp(160px, 22vw, 300px);
  height: clamp(160px, 22vw, 300px);
}

/* футер */
.lp-footer {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--s-8);
  max-width: var(--lp-max);
  margin: 0 auto;
  padding: var(--s-12) var(--lp-pad) var(--s-8);
  border-top: 2px solid var(--text);
}
.lp-footer-brand p {
  max-width: 34ch;
  margin-top: var(--s-4);
  color: var(--text-2);
}
.lp-footer-col {
  display: grid;
  align-content: start;
  gap: var(--s-2);
}
.lp-footer-col h4 {
  margin-bottom: var(--s-2);
}
.lp-footer-col a {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--text);
  font-weight: 550;
  text-decoration: none;
}
.lp-footer-col a:hover {
  text-decoration: underline;
  text-decoration-color: var(--accent-line);
}
.lp-footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-2);
  padding-top: var(--s-6);
  border-top: 1px dashed var(--border-strong);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ============================== ПРИГЛАШЕНИЕ ============================== */
.invite-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 480px);
  gap: var(--s-12);
  align-items: center;
  max-width: 1180px;
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: var(--s-8) var(--lp-pad) var(--s-16);
}
.invite-aside h1 {
  margin: var(--s-3) 0 var(--s-4);
  font-size: clamp(34px, 5vw, var(--fs-5xl));
  letter-spacing: var(--ls-display);
  line-height: 1;
}
.invite-aside > p {
  max-width: 44ch;
  font-size: var(--fs-lg);
  color: var(--text-2);
}
.invite-points {
  list-style: none;
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-8);
}
.invite-points li {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-weight: 600;
}
.invite-card {
  padding: var(--s-8);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--surface);
  box-shadow: var(--shadow-pop);
}
.invite-result {
  min-height: 18px;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-align: center;
}
.invite-invalid {
  text-align: center;
}
.invite-invalid .ds-icon-tile {
  width: 64px;
  height: 64px;
  margin-bottom: var(--s-4);
}
.invite-invalid h2 {
  font-size: var(--fs-2xl);
}
.invite-invalid p {
  margin: var(--s-2) 0;
  color: var(--text-2);
}
.invite-invalid-hint {
  margin-bottom: var(--s-6) !important;
  font-size: var(--fs-sm);
}

/* ============================== АДАПТИВ ============================== */
@media (min-width: 1800px) {
  .auth-hero {
    max-width: 1760px;
  }
}
@media (max-width: 1180px) {
  .lp-bento {
    grid-template-columns: repeat(2, 1fr);
  }
  .lp-roles {
    grid-template-columns: 1fr 1fr;
  }
  /* 5 ролей в две колонки: владелец на всю ширину, остальные парами */
  .lp-role:first-child {
    grid-column: span 2;
  }
  .lp-steps {
    grid-template-columns: 1fr 1fr;
    row-gap: var(--s-10);
  }
  .lp-steps::before {
    display: none;
  }
  .lp-footer {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 1024px) {
  .lp-nav-links {
    display: none;
  }
  .lp-top-actions {
    margin-left: auto;
  }
  /* панель о сервисе — компактный блок над формой */
  .auth-hero {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .auth-panel {
    gap: var(--s-5);
    padding: var(--s-6);
  }
  .auth-panel-title {
    max-width: 22ch;
    margin-top: 0;
    font-size: clamp(28px, 6vw, 44px);
  }
  .auth-mock,
  .auth-reviews,
  .auth-security {
    display: none;
  }
  /* преимущества — горизонтальный слайдер */
  .auth-benefits {
    display: flex;
    gap: var(--s-3);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin: 0 calc(-1 * var(--s-6));
    padding: 0 var(--s-6) var(--s-2);
    border-top: none;
    scrollbar-width: none;
  }
  .auth-benefits::-webkit-scrollbar {
    display: none;
  }
  .auth-benefit {
    flex: 0 0 min(280px, 78%);
    scroll-snap-align: start;
    padding: var(--s-4);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, 0.03);
  }
  .auth-main {
    position: static;
    padding-top: var(--s-8);
  }
  .lp-faq-layout {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  .lp-faq-layout .lp-head {
    position: static;
  }
  .lp-plans {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
  .lp-plan--featured {
    transform: none;
  }
  .invite-layout {
    grid-template-columns: 1fr;
    gap: var(--s-8);
  }
}
@media (max-width: 720px) {
  .lp-top {
    height: 64px;
    gap: var(--s-3);
  }
  .lp-top .android-dl-label,
  .lp-top .android-soon {
    display: none;
  }
  .lp-section {
    padding-top: var(--s-12);
    padding-bottom: var(--s-12);
  }
  .lp-bento,
  .lp-roles,
  .lp-steps,
  .lp-cases {
    grid-template-columns: 1fr;
  }
  .lp-tile--wide {
    grid-column: auto;
    grid-template-columns: 1fr;
  }
  .lp-kanban {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lp-kanban > div {
    min-height: 0;
  }
  .lp-case,
  .lp-case + .lp-case {
    padding: var(--s-5) 0;
    border-left: 0;
    border-bottom: 1px dashed var(--border-strong);
  }
  .lp-role {
    min-height: 0;
  }
  .lp-role:first-child {
    grid-column: auto;
  }
  .lp-role h3 {
    margin-top: var(--s-4);
  }
  .lp-footer {
    grid-template-columns: 1fr;
  }
  .auth-grid-2,
  .auth-recover-grid {
    grid-template-columns: 1fr;
  }
  .auth-faq-item > summary {
    font-size: var(--fs-lg);
  }
  .invite-card {
    padding: var(--s-5);
  }
}
@media (max-width: 400px) {
  .lp-brand-name {
    font-size: var(--fs-lg);
  }
  .auth-tab-btn {
    font-size: var(--fs-sm);
  }
}