/* =========================================================
   RESET
========================================================= */

:root {
  --primary: #07845e;
  --primary-dark: #056747;
  --primary-light: #e6f7f0;
  --accent: #f6c344;

  --background: #f7f8f5;
  --surface: #ffffff;
  --surface-soft: #f0f5f2;

  --text: #17211d;
  --text-soft: #637069;
  --border: #dce5df;

  --danger: #a43434;

  --shadow:
    0 18px 45px rgba(20, 48, 37, 0.12);

  --radius-large: 28px;
  --radius-medium: 20px;
  --radius-small: 14px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--background);
}

body {
  min-height: 100vh;

  font-family:
    Inter,
    "Noto Sans Bengali",
    "Segoe UI",
    Arial,
    sans-serif;

  color: var(--text);
  background:
    radial-gradient(
      circle at top,
      rgba(7, 132, 94, 0.12),
      transparent 380px
    ),
    var(--background);

  -webkit-font-smoothing: antialiased;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}


/* =========================================================
   PAGE
========================================================= */

.store-page {
  width: min(100%, 760px);
  margin: 0 auto;
  padding:
    calc(24px + env(safe-area-inset-top))
    20px
    30px;
}


/* =========================================================
   APP HEADER
========================================================= */

.app-header {
  display: flex;
  align-items: center;
  gap: 18px;

  padding: 14px 2px 24px;
}

.app-logo {
  width: 94px;
  height: 94px;

  flex: 0 0 94px;

  border-radius: 24px;
  object-fit: cover;

  box-shadow:
    0 12px 28px rgba(7, 83, 59, 0.22);
}

.app-identity {
  min-width: 0;
}

.app-identity h1 {
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.7px;
}

.developer-name {
  margin-top: 7px;

  color: var(--primary);
  font-size: 15px;
  font-weight: 800;
}

.verified-text {
  margin-top: 5px;

  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
}


/* =========================================================
   STATISTICS
========================================================= */

.app-statistics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  margin-bottom: 22px;

  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);

  box-shadow:
    0 10px 25px rgba(26, 60, 46, 0.07);

  backdrop-filter: blur(12px);
}

.app-statistics article {
  position: relative;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  min-height: 78px;
  padding: 13px 8px;

  text-align: center;
}

.app-statistics article:not(:last-child)::after {
  content: "";

  position: absolute;
  top: 18px;
  right: 0;
  bottom: 18px;

  width: 1px;

  background: var(--border);
}

.app-statistics strong {
  color: var(--text);
  font-size: 18px;
  line-height: 1.2;
}

.app-statistics span {
  margin-top: 5px;

  color: var(--text-soft);
  font-size: 12px;
}


/* =========================================================
   INSTALL ACTION
========================================================= */

.primary-action {
  margin-bottom: 24px;
}

.install-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  width: 100%;
  min-height: 76px;
  padding: 14px 22px;

  color: #ffffff;
  background:
    linear-gradient(
      135deg,
      #07966a,
      #05724f
    );

  border: 0;
  border-radius: 20px;

  box-shadow:
    0 14px 30px rgba(5, 114, 79, 0.26);

  cursor: pointer;

  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

.install-button:hover {
  transform: translateY(-2px);

  box-shadow:
    0 18px 35px rgba(5, 114, 79, 0.32);
}

.install-button:active {
  transform: scale(0.985);
}

.install-button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.install-button span,
.install-button:not(:has(small)) {
  font-size: 19px;
  font-weight: 900;
}

.install-button small {
  margin-top: 5px;

  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 600;
}

.install-help {
  margin-top: 10px;

  color: var(--text-soft);
  font-size: 12px;
  text-align: center;
}


/* =========================================================
   QUICK FEATURES
========================================================= */

.quick-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;

  margin-bottom: 26px;
}

.quick-features article {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  min-height: 96px;
  padding: 14px 8px;

  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);

  text-align: center;
}

.feature-icon {
  font-size: 26px;
}

.quick-features p {
  margin-top: 8px;

  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}


/* =========================================================
   CONTENT SECTIONS
========================================================= */

.content-section {
  margin-bottom: 24px;
  padding: 23px;

  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);

  box-shadow:
    0 12px 30px rgba(24, 56, 43, 0.07);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: 18px;
}

.section-heading span {
  display: block;

  margin-bottom: 5px;

  color: var(--primary);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.4px;
}

.section-heading h2 {
  font-size: clamp(20px, 4vw, 26px);
  line-height: 1.25;
}

.about-section > p {
  color: #46534d;
  font-size: 15px;
  line-height: 1.8;
}

.about-section > p + p {
  margin-top: 14px;
}


/* =========================================================
   GAME PREVIEW
========================================================= */

.game-preview-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(245px, 78%);
  gap: 14px;

  overflow-x: auto;
  overscroll-behavior-inline: contain;

  padding: 2px 2px 10px;

  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}

.game-preview-card {
  position: relative;
  isolation: isolate;

  display: flex;
  align-items: flex-end;

  min-height: 330px;
  overflow: hidden;

  border-radius: 24px;

  scroll-snap-align: start;
}

.game-preview-card::before {
  content: "";

  position: absolute;
  inset: 0;
  z-index: -2;
}

.game-preview-card::after {
  content: "";

  position: absolute;
  inset: 0;
  z-index: -1;

  background:
    linear-gradient(
      to top,
      rgba(3, 17, 12, 0.94),
      rgba(3, 17, 12, 0.12) 72%
    );
}

.ludo-card::before {
  background:
    radial-gradient(
      circle at 74% 22%,
      #f5d34d 0 9%,
      transparent 10%
    ),
    radial-gradient(
      circle at 28% 34%,
      #ef5858 0 11%,
      transparent 12%
    ),
    linear-gradient(
      145deg,
      #6546ca,
      #198eb6 48%,
      #17a06d
    );
}

.card-game-card::before {
  background:
    radial-gradient(
      circle at 30% 22%,
      #ffe9a2 0 10%,
      transparent 11%
    ),
    linear-gradient(
      145deg,
      #6e1539,
      #b3363d 46%,
      #d28a35
    );
}

.leaderboard-card::before {
  background:
    radial-gradient(
      circle at 50% 28%,
      #ffdc66 0 11%,
      transparent 12%
    ),
    linear-gradient(
      145deg,
      #034a43,
      #08795d 50%,
      #12aa7c
    );
}

.preview-content {
  width: 100%;
  padding: 24px;

  color: #ffffff;
}

.preview-label {
  display: inline-block;

  padding: 7px 10px;

  color: #153125;
  background: var(--accent);
  border-radius: 999px;

  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.9px;
}

.preview-content h3 {
  margin-top: 13px;

  font-size: 25px;
}

.preview-content p {
  margin-top: 8px;

  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  line-height: 1.55;
}


/* =========================================================
   STEPS
========================================================= */

.steps-list {
  display: grid;
  gap: 16px;

  list-style: none;
}

.steps-list li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.steps-list li > span {
  display: grid;
  place-items: center;

  width: 44px;
  height: 44px;
  flex: 0 0 44px;

  color: #ffffff;
  background: var(--primary);
  border-radius: 14px;

  font-size: 16px;
  font-weight: 900;
}

.steps-list strong {
  font-size: 15px;
}

.steps-list p {
  margin-top: 4px;

  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
}


/* =========================================================
   SAFETY
========================================================= */

.safety-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;

  margin-bottom: 24px;
  padding: 22px;

  background:
    linear-gradient(
      135deg,
      #e9f8f1,
      #f8fcfa
    );

  border: 1px solid #c9e9db;
  border-radius: var(--radius-medium);
}

.safety-icon {
  display: grid;
  place-items: center;

  width: 48px;
  height: 48px;
  flex: 0 0 48px;

  background: #ffffff;
  border-radius: 15px;

  font-size: 25px;
}

.safety-card h2 {
  color: var(--primary-dark);
  font-size: 18px;
}

.safety-card p {
  margin-top: 7px;

  color: #416054;
  font-size: 13px;
  line-height: 1.65;
}


/* =========================================================
   BOTTOM ACTION
========================================================= */

.bottom-action {
  padding: 22px;

  background: #10261e;
  border-radius: var(--radius-large);

  text-align: center;
}

.bottom-action .install-button {
  min-height: 60px;

  color: #15251f;
  background: var(--accent);

  box-shadow: none;

  font-size: 18px;
  font-weight: 900;
}

.bottom-action > p {
  margin-top: 11px;

  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}


/* =========================================================
   INSTALL MODAL
========================================================= */

.install-modal[hidden] {
  display: none;
}

.install-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;

  display: grid;
  align-items: end;
  justify-items: center;

  padding:
    20px
    20px
    calc(20px + env(safe-area-inset-bottom));
}

.install-modal-backdrop {
  position: absolute;
  inset: 0;

  background: rgba(3, 14, 10, 0.72);
  backdrop-filter: blur(4px);
}

.install-dialog {
  position: relative;
  z-index: 1;

  width: min(100%, 520px);
  padding: 32px 24px 25px;

  background: #ffffff;
  border-radius: 28px;

  box-shadow: var(--shadow);

  text-align: center;

  animation:
    dialogSlideUp 260ms ease both;
}

@keyframes dialogSlideUp {
  from {
    opacity: 0;
    transform: translateY(35px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dialog-close {
  position: absolute;
  top: 13px;
  right: 15px;

  display: grid;
  place-items: center;

  width: 38px;
  height: 38px;

  color: #4f5c56;
  background: #edf2ef;
  border: 0;
  border-radius: 50%;

  font-size: 25px;
  cursor: pointer;
}

.dialog-logo {
  width: 82px;
  height: 82px;

  margin: 0 auto 17px;

  border-radius: 22px;
  object-fit: cover;

  box-shadow:
    0 11px 25px rgba(5, 103, 71, 0.2);
}

.browser-icon {
  margin-bottom: 14px;
  font-size: 58px;
}

.install-dialog h2 {
  font-size: 25px;
}

.install-dialog > p {
  margin: 11px auto 0;

  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}

.dialog-install-button {
  width: 100%;
  min-height: 56px;
  margin-top: 22px;
  padding: 12px 18px;

  color: #ffffff;
  background: var(--primary);
  border: 0;
  border-radius: 16px;

  font-size: 17px;
  font-weight: 900;

  cursor: pointer;
}

.dialog-install-button:active {
  transform: scale(0.985);
}

.install-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  margin-top: 19px;
  padding: 13px;

  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 14px;

  font-size: 13px;
  font-weight: 800;
}

.install-progress[hidden] {
  display: none;
}

.progress-spinner {
  width: 21px;
  height: 21px;

  border: 3px solid rgba(7, 132, 94, 0.18);
  border-top-color: var(--primary);
  border-radius: 50%;

  animation: spinner 700ms linear infinite;
}

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}

.dialog-disclaimer {
  color: var(--text-soft) !important;
  font-size: 11px !important;
}


/* =========================================================
   FOOTER
========================================================= */

.site-footer {
  width: min(100%, 760px);
  margin: 0 auto;
  padding:
    10px
    20px
    calc(35px + env(safe-area-inset-bottom));

  color: var(--text-soft);
  text-align: center;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 17px;

  margin-bottom: 15px;
}

.site-footer a {
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.site-footer > p {
  font-size: 12px;
}

.footer-disclaimer {
  max-width: 540px;
  margin: 9px auto 0;

  line-height: 1.55;
}


/* =========================================================
   INSTALLED MODE
========================================================= */

@media (display-mode: standalone) {
  .install-button {
    min-height: 62px;
  }

  .install-help {
    display: none;
  }
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (min-width: 720px) {
  .store-page {
    padding-top: 40px;
  }

  .game-preview-slider {
    grid-auto-columns: minmax(270px, 48%);
  }

  .install-modal {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .store-page {
    padding-right: 14px;
    padding-left: 14px;
  }

  .app-logo {
    width: 80px;
    height: 80px;
    flex-basis: 80px;

    border-radius: 21px;
  }

  .app-identity h1 {
    font-size: 23px;
  }

  .verified-text {
    font-size: 12px;
  }

  .app-statistics strong {
    font-size: 16px;
  }

  .app-statistics span {
    font-size: 11px;
  }

  .content-section {
    padding: 19px;
    border-radius: 23px;
  }

  .game-preview-slider {
    grid-auto-columns: 88%;
  }

  .game-preview-card {
    min-height: 310px;
  }
}

@media (max-width: 360px) {
  .app-header {
    gap: 12px;
  }

  .app-logo {
    width: 70px;
    height: 70px;
    flex-basis: 70px;
  }

  .app-identity h1 {
    font-size: 20px;
  }

  .quick-features {
    gap: 6px;
  }

  .quick-features article {
    padding-right: 5px;
    padding-left: 5px;
  }
}


/* =========================================================
   ACCESSIBILITY
========================================================= */

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

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(246, 195, 68, 0.9);
  outline-offset: 3px;
}