:root {
  --slate-950: #0b1120;
  --slate-900: #111827;
  --slate-800: #1f2937;
  --slate-700: #334155;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5f5;
  --slate-400: #94a3b8;
  --blue-300: #93c5fd;
  --blue-500: #3b82f6;
  --blue-700: #1d4ed8;
  --success: #22c55e;
  --danger: #ef4444;
  --card: rgba(17, 24, 39, 0.7);
  --card-border: rgba(148, 163, 184, 0.16);
}

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

[hidden] {
  display: none !important;
}

body {
  font-family: "Archivo", sans-serif;
  background: var(--slate-950);
  color: var(--slate-200);
  min-height: 100vh;
  overflow-x: hidden;
}

section[id] {
  scroll-margin-top: 110px;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  position: relative;
  z-index: 1;
}

h1, h2, h3 {
  font-family: "Fraunces", serif;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.5rem, 4.4vw, 3.6rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
}

p {
  color: var(--slate-300);
  line-height: 1.7;
}

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

.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 450px at 20% -10%, rgba(147, 197, 253, 0.22), transparent 60%),
    radial-gradient(700px 500px at 100% 20%, rgba(59, 130, 246, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.8), rgba(2, 6, 23, 0.95));
  z-index: 0;
  pointer-events: none;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 32px;
  background: rgba(11, 17, 32, 0.9);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  backdrop-filter: blur(10px);
}

.auth {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.auth__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.2);
  font-size: 0.8rem;
  color: var(--slate-300);
}

.auth__status strong {
  font-weight: 600;
  color: var(--slate-200);
}

.auth__message {
  width: 100%;
  margin: 0;
  min-height: 18px;
  text-align: right;
  font-size: 0.8rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-300), var(--blue-500));
  color: #04101f;
  font-weight: 700;
}

.brand__name {
  font-weight: 600;
}

.brand__desc {
  font-size: 0.8rem;
  color: var(--slate-400);
}

.header__nav {
  display: flex;
  gap: 12px;
  color: var(--slate-300);
}

.header__nav a {
  padding: 6px 12px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.header__nav a:hover {
  background: rgba(59, 130, 246, 0.16);
  color: var(--slate-200);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #04101f;
  box-shadow: 0 20px 35px -25px rgba(59, 130, 246, 0.7);
}

.btn--primary:hover {
  filter: brightness(1.05);
}

.btn--ghost {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--slate-200);
}

.btn--ghost:hover {
  border-color: rgba(147, 197, 253, 0.7);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 32px;
  align-items: center;
  margin-bottom: 90px;
}

.hero__center {
  text-align: left;
  max-width: 640px;
}

.ribbon {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--slate-200);
  font-size: 0.8rem;
}

.hero__center p {
  margin-top: 18px;
}

.hero__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__stats {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.hero__stats .stat {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 12px 14px;
  display: grid;
  gap: 4px;
}

.hero__stats .stat span {
  font-size: 0.95rem;
  color: var(--slate-200);
}

.hero__panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 20px;
  box-shadow: 0 30px 60px -45px rgba(15, 23, 42, 0.7);
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--slate-300);
  font-size: 0.9rem;
}

.panel__dots {
  display: flex;
  gap: 6px;
}

.panel__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.4);
}

.panel__body {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.panel__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.panel__row-left {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.panel__row-left > span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}

.panel__meta {
  font-size: 0.8rem;
  color: var(--slate-400);
  text-align: right;
  margin-top: 2px;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(148, 163, 184, 0.10);
  color: var(--slate-200);
  flex: 0 0 auto;
}

.source-badge--ozon {
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(59, 130, 246, 0.18);
  color: var(--slate-100);
}

.source-badge--wb {
  border-color: rgba(168, 85, 247, 0.45);
  background: rgba(168, 85, 247, 0.18);
  color: var(--slate-100);
}

.source-badge--yandex {
  border-color: rgba(245, 158, 11, 0.55);
  background: rgba(245, 158, 11, 0.18);
  color: var(--slate-100);
}

.panel__cta {
  text-align: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--slate-200);
  font-size: 0.85rem;
}

.price {
  font-weight: 600;
}

.price--down {
  color: var(--danger);
}

.price--up {
  color: var(--success);
}

.price--stable {
  color: var(--slate-300);
}

.hero__rail {
  display: grid;
  gap: 14px;
}

.rail-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.rail-card span {
  font-size: 0.82rem;
  color: var(--slate-400);
}

.rail-tag {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  font-size: 0.75rem;
  color: var(--slate-200);
}

.rail-tag.down {
  background: rgba(59, 130, 246, 0.2);
}

.rail-tag.up {
  background: rgba(59, 130, 246, 0.3);
}

.features {
  margin: 100px 0;
}

.register {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  align-items: start;
  margin: 100px 0;
}

.register__info {
  display: grid;
  gap: 16px;
}

.register__info ol {
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--slate-300);
}

.register__form {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 30px 60px -45px rgba(15, 23, 42, 0.7);
  display: grid;
  gap: 12px;
}

.register__panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 30px 60px -45px rgba(15, 23, 42, 0.7);
  display: grid;
  gap: 12px;
  align-content: start;
}

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

.register__form button + button {
  margin-top: 6px;
}

.section-title {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.grid__cards,
.plans__grid,
.download__grid,
.roadmap__grid,
.news__grid,
.feedback__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.grid__cards article,
.download__card,
.roadmap__card,
.news__card,
.plan {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 30px 60px -45px rgba(15, 23, 42, 0.6);
}

.download {
  margin: 100px 0;
}

.trust {
  margin: 90px 0;
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.trust__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 10px;
  color: var(--slate-300);
}

.trust__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
}

.trust__list span {
  color: var(--slate-400);
}

.trust__list strong {
  color: var(--slate-200);
  word-break: break-all;
}

.trust__actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.roadmap {
  margin: 100px 0;
}

.roadmap__tag {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.2);
  color: var(--slate-200);
  font-size: 0.75rem;
  margin-bottom: 12px;
}

.news {
  margin: 100px 0;
}

.news__date {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  color: var(--slate-200);
  font-size: 0.75rem;
  margin-bottom: 12px;
}

.news__card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.7), rgba(30, 41, 59, 0.55));
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.roadmap__card {
  background: rgba(10, 16, 32, 0.9);
  border: 1px dashed rgba(59, 130, 246, 0.45);
}

.plans {
  margin: 100px 0;
}

.feedback {
  margin: 100px 0;
}

.feedback__panel {
  display: grid;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 26px;
  box-shadow: 0 30px 60px -45px rgba(15, 23, 42, 0.7);
}

.feedback__hint {
  font-size: 0.9rem;
  color: var(--slate-300);
  border-left: 2px solid rgba(59, 130, 246, 0.4);
  padding-left: 12px;
}

.feedback__info {
  display: grid;
  gap: 12px;
}

.feedback__status {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--slate-300);
}

.feedback__form,
.feedback__auth,
.register__form,
.auth__form {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  align-items: start;
}

.feedback__form label,
.feedback__auth label,
.register__form label,
.auth__form label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--slate-300);
}

.feedback__counter {
  font-size: 0.8rem;
  color: var(--slate-400);
  text-align: right;
}

.feedback__counter--limit {
  color: rgba(245, 158, 11, 0.95);
}

.feedback__form input,
.feedback__auth input,
.register__form input,
.auth__form input,
.feedback__form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.6);
  color: var(--slate-200);
  padding: 10px 12px;
  font-family: inherit;
  resize: vertical;
}

.feedback__form input::placeholder,
.feedback__auth input::placeholder,
.register__form input::placeholder,
.auth__form input::placeholder,
.feedback__form textarea::placeholder {
  color: var(--slate-400);
}

.feedback__form textarea:disabled,
.feedback__form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.feedback__form input:focus,
.feedback__auth input:focus,
.register__form input:focus,
.auth__form input:focus,
.feedback__form textarea:focus {
  outline: 2px solid rgba(147, 197, 253, 0.45);
  border-color: rgba(147, 197, 253, 0.7);
}

.feedback__message {
  grid-column: 1 / -1;
}

.plan {
  display: grid;
  gap: 12px;
}

.plan ul {
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--slate-300);
  font-size: 0.9rem;
}

.plan__title {
  font-size: 1.05rem;
  font-weight: 600;
}

.plan__value {
  font-size: 1.7rem;
  font-weight: 700;
}

.plan--focus {
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow: 0 35px 70px -45px rgba(59, 130, 246, 0.6);
}

.cta {
  margin: 120px 0 60px;
}

.note {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--slate-400);
  border-left: 2px solid rgba(59, 130, 246, 0.4);
  padding-left: 12px;
}

.form__message {
  min-height: 22px;
  font-size: 0.9rem;
  color: var(--slate-300);
  grid-column: 1 / -1;
}

.form__message--success {
  color: var(--success);
}

.form__message--error {
  color: var(--danger);
}

.form__message--warning {
  color: #fbbf24;
}

.form__message--info {
  color: var(--slate-300);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(6px);
  z-index: 20;
}

.modal[hidden] {
  display: none;
}

.modal__overlay {
  position: absolute;
  inset: 0;
}

.modal__dialog {
  position: relative;
  width: min(480px, 100%);
  background: var(--slate-900);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 30px 60px -45px rgba(2, 6, 23, 0.8);
  z-index: 1;
}

.modal__dialog h3 {
  margin-bottom: 12px;
}

.modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(15, 23, 42, 0.6);
  color: var(--slate-200);
  cursor: pointer;
}

.modal__dialog .register__form {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

body.modal-open {
  overflow: hidden;
}

.cta__panel {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(148, 163, 184, 0.2));
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 24px;
  padding: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

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

.footer {
  margin-top: 120px;
  padding: 32px 24px 48px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  color: var(--slate-400);
  align-items: center;
}

.footer strong {
  color: var(--slate-200);
}

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

.footer__link {
  color: var(--slate-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.footer__link:hover {
  color: var(--slate-200);
  border-bottom-color: rgba(148, 163, 184, 0.6);
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__rail {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 720px) {
  .header {
    flex-wrap: wrap;
  }

  .header__nav {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  .header__nav {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}