/* Base layout and theme */
:root {
  --bg: #070816;
  --bg-alt: #0e1022;
  --card: #141628;
  --card-alt: #161a30;
  --accent: #21c4b5;
  --accent2: #2ea5ff;
  --accent-soft: rgba(46, 165, 255, 0.14);
  --text: #f4f5ff;
  --text-muted: #a4a7c6;
  --border-subtle: rgba(255, 255, 255, 0.06);

  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --max-width: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #212446 0, #070816 60%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent2);
}

a:hover {
  color: var(--accent2);
  text-decoration: underline;
}

.brand-word {
  font-weight: 700;
  color: var(--accent);
}

/* Layout */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: radial-gradient(circle at top, #151735 0, #070816 60%);
}

.section h2 {
  font-size: 28px;
  margin: 0 0 16px;
}

.section-lead {
  margin: 0 0 32px;
  color: var(--text-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(
    to bottom,
    rgba(7, 8, 22, 0.92),
    rgba(7, 8, 22, 0.88),
    transparent
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-img {
  width: 28px;
  height: 28px;
  border-radius: 9px;
}

.logo-text {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 18px;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.nav-link {
  font-size: 14px;
  text-decoration: none;
  color: var(--text-muted);
  padding: 6px 8px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

/* Lang switch */

.lang-switch {
  display: inline-flex;
  border-radius: 999px;
  padding: 2px;
  background: rgba(8, 10, 30, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  gap: 2px;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-btn.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #031012;
}

/* Burger */

.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}

.burger span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

@media (max-width: 900px) {
  .header-inner {
    padding-inline: 16px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding-inline: 16px;
  }

  .nav {
    display: none;
  }

  .lang-switch {
    margin-left: auto;
  }
}

.btn-pro {
  background: linear-gradient(135deg, #ffb347, #ff6b6b);
  color: #120805;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.65);
}

.btn-pro:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.75);
}

.btn-support-header {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 13px;
  padding: 7px 12px;
  cursor: pointer;
  margin-left: 8px;
}

.btn-support-header:hover {
  background: rgba(255, 255, 255, 0.09);
}

/* Modal */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 20, 0.8);
  backdrop-filter: blur(18px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal {
  max-width: 360px;
  width: 100%;
  background: radial-gradient(circle at top, #25284b 0, #050614 70%);
  border-radius: 24px;
  padding: 20px 20px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.85);
  position: relative;
}

.modal-title {
  margin: 0 0 8px;
  font-size: 20px;
}

.modal-text {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.modal-primary {
  width: 100%;
  justify-content: center;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .btn-support-header {
    display: none;
  }
}

/* HERO */

.hero-lang-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(8, 10, 30, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin: 0 auto 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-lang-flag {
  font-size: 26px;
}

.hero {
  padding: 64px 0 48px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
  grid-template-areas:
    "content visual"
    "bottom  visual";
  align-items: center;
  gap: 32px;
}

.hero-content {
  grid-area: content;
}

.hero-visual {
  grid-area: visual;
}

.hero-bottom {
  grid-area: bottom;
}

.hero h1 {
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.1;
  margin: 0 0 14px;
}

.hero-subtitle {
  margin: 0 0 12px;
  color: var(--text-muted);
  max-width: 460px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.hero-note {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* Hero screenshot */

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-shot {
  max-width: 175px;
  width: 100%;
  border-radius: 30px;
  padding: 6px;
  background: radial-gradient(circle at top, #272b4b 0, #08091a 70%);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-screen-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  background: none;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease,
    border-color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #031012;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.6);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.btn-ghost {
  border-color: var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* Feature cards */

.feature-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.35));
  border-radius: var(--radius-md);
  padding: 18px 18px 16px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

/* Screens section */

.screens-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.screen-item p {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}

.screen-placeholder {
  border-radius: var(--radius-md);
  background: radial-gradient(circle at top, rgba(46, 165, 255, 0.16), rgba(0, 0, 0, 0.6));
  border: 1px dashed rgba(255, 255, 255, 0.15);
  padding: 18px 14px;
  text-align: center;
  font-size: 14px;
  color: var(--text);
}

.screen-placeholder.text-only {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
}

/* Slider for themes */

.screen-slider {
  max-width: 260px;
  position: relative;
  margin: 0 auto;
  overflow: hidden;
}

.screen-slide {
  display: none;
}

.screen-slide.is-active {
  display: block;
}

.screen-slide-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.7);
}

.screen-badge {
  display: inline-flex;
  margin-top: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(5, 8, 22, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-muted);
}

.screen-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
}

.screen-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  border: none;
  padding: 0;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
}

.screen-dot.is-active {
  width: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}

/* FAQ */

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(4, 5, 18, 0.9);
  padding: 10px 14px;
  margin-bottom: 10px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-size: 14px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 18px 0 24px;
  background: #050612;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo img {
  width: 20px;
  height: 20px;
  border-radius: 6px;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* Support section & share buttons */
.support-actions {
  margin-top: 20px;
  text-align: center;
}

.support-actions .btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.share-block {
  margin-top: 16px;
  text-align: center;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
  margin-top: 8px;
}

.share-buttons a {
  font-size: 14px;
}

/* Footer mobile layout */
@media (max-width: 520px) {
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
}

/* small dual screenshots */

.screen-dual-small {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  padding: 14px;
}

.screen-mini-img {
  display: block;
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.7);
}

/* On very narrow screens stack vertically */
@media (max-width: 520px) {
  .screen-dual-small {
    flex-direction: column;
  }
}

/* Responsive tweaks */

/* hero + layout up to tablets */
@media (max-width: 900px) {
  .section {
    padding: 56px 0;
  }

  .hero {
    padding: 20px 0 16px;
  }

  .hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .hero-content {
    text-align: center;
  }

  .hero-lang-badge {
    margin: 0 0 10px;
  }

  .hero h1 {
    font-size: 24px;
    line-height: 1.25;
    margin-bottom: 8px;
  }

  .hero-subtitle {
    max-width: 460px;
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 14px;
  }

  .hero-visual {
    margin-top: 4px;
    margin-bottom: 6px;
  }

  .hero-bottom {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    text-align: center;
  }

  .hero-ctas {
    margin-bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-note {
    font-size: 12px;
    color: var(--text-muted);
  }
}

/* узкие телефоны */
@media (max-width: 520px) {
  .section {
    padding: 40px 0;
  }

  .hero {
    padding-top: 16px;
    padding-bottom: 12px;
  }

  .hero h1 {
    font-size: 20px;
  }

  .hero-subtitle {
    font-size: 12px;
  }
}

.screen-slider-small {
  max-width: 240px;
}

@media (max-width: 1200px) {
  .btn-support-header {
    display: none !important;
  }
}

/* Store badges (Google Play / App Store) */
.stores-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.store-badge img {
  display: block;
  height: 32px;
  width: auto;
}

@media (max-width: 720px) {
  .stores-badges-row {
    justify-content: center;
  }
}
.donate-backdrop {
  z-index: 9999;
}

.hero-pro {
  margin-top: 8px;
}

.hero-pro .btn-pro {
  width: 100%;
  justify-content: center;
}

@media (min-width: 768px) {
  .hero-pro .btn-pro {
    width: auto;
    padding-inline: 22px;
  }
}
/* Спойлер с донатами в блоке "Поддержать проект" */

.donate-accordion {
  margin-top: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(4, 5, 18, 0.9);
  padding: 10px 12px;
}

.donate-accordion__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;      /* центр по горизонтали */
  justify-content: center;  /* центр по вертикали */
  text-align: center;       /* центрируем текст */
  gap: 4px;
}

.donate-accordion__summary::-webkit-details-marker {
  display: none;
}

.donate-accordion__title {
  font-weight: 600;
  font-size: 15px;
}

.donate-accordion__hint {
  font-size: 13px;
  color: var(--text-muted);
}

.donate-accordion[open] .donate-accordion__summary {
  margin-bottom: 10px;
}

.donate-accordion__body {
  margin-top: 4px;
}

/* Карточки донатов — стили перенесены из donate.js */

.donate-section {
  background: rgba(8, 10, 30, 0.96);
  border-radius: 16px;
  padding: 16px 14px;
  margin: 8px 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.6);
}

.donate-section h3 {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.35;
  text-align: center;
  font-weight: 600;
  color: var(--text);
}

.donate-cta-wrap {
  text-align: center;
}

.donate-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  min-width: 240px;

  border: 1px solid transparent;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.6);
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

/* Monobank — тёмная брендовая плашка с бирюзовой рамкой */
.donate-cta--mono {
  background: linear-gradient(135deg, #070816, #11152a);
  color: var(--text);
  border-color: var(--accent);
}

/* PayPal — фирменный градиент приложения */
.donate-cta--paypal {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #031012;
  border-color: transparent;
}

.donate-cta:active {
  transform: scale(0.98);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.7);
  opacity: 0.96;
}

@media (max-width: 480px) {
  .donate-cta {
    width: 100%;
  }
}