:root {
  --primary: #14213a;
  --primary-soft: #25324a;
  --accent: #7a1f2b;
  --accent-hover: #641724;

  --text: #172033;
  --muted: #536274;

  --bg: #c8d2df;
  --bg-soft: #d5dde8;

  --card: #edf1f7;
  --card-soft: #e4eaf2;
  --card-light: #f7f9fc;

  --border: #aab7c7;
  --border-strong: #7d8da3;

  --shadow-main:
    0 22px 46px rgba(15, 23, 42, 0.18);

  --shadow-soft:
    0 12px 26px rgba(15, 23, 42, 0.12);

  --radius-lg: 22px;
  --radius-md: 15px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.40) 0, rgba(255, 255, 255, 0) 380px),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.26) 0, rgba(255, 255, 255, 0) 330px),
    linear-gradient(180deg, #c4cedb 0%, #d6dee9 48%, #c4cedb 100%);
}

/* =========================
   O aplikacji
   ========================= */

.app-info-page {
  width: min(100%, 1020px);
  margin: 0 auto;
  padding: 34px 20px 26px;
}

.app-info-card {
  overflow: hidden;
  border: 1px solid rgba(170, 183, 199, 0.95);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(237, 241, 247, 0.98), rgba(220, 228, 238, 0.96));
  box-shadow: var(--shadow-main);
}

.app-info-header {
  padding: 34px 34px 26px;
  border-bottom: 1px solid rgba(170, 183, 199, 0.85);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.72) 0, rgba(255, 255, 255, 0) 360px),
    linear-gradient(145deg, rgba(248, 250, 252, 0.96), rgba(225, 233, 243, 0.94));
}

.app-info-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 7px 14px;
  margin-bottom: 16px;
  border: 1px solid rgba(170, 183, 199, 0.95);
  border-radius: 999px;
  background: #ffffff;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.10);
}

.app-info-header h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(30px, 4vw, 43px);
  line-height: 1.08;
  color: var(--primary);
  letter-spacing: -0.04em;
  font-weight: 720;
}

.app-info-header p {
  max-width: 820px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.72;
}

.app-info-body {
  padding: 28px 34px 34px;
}

.app-info-section {
  padding: 22px;
  border: 1px solid rgba(170, 183, 199, 0.92);
  border-radius: 17px;
  background:
    linear-gradient(145deg, rgba(247, 249, 252, 0.95), rgba(226, 234, 244, 0.92));
  box-shadow: var(--shadow-soft);
}

.app-info-section + .app-info-section {
  margin-top: 20px;
}

.app-info-section-highlight {
  border-color: rgba(122, 31, 43, 0.26);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(235, 241, 249, 0.95));
}

.app-info-section h2 {
  margin: 0 0 11px;
  color: var(--primary);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.app-info-section h3 {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.app-info-section p,
.app-info-section li {
  color: var(--text);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.72;
}

.app-info-section p {
  margin: 0;
}

.app-info-section strong {
  color: var(--primary);
  font-weight: 750;
}

.app-info-section a,
.app-info-footer a {
  color: #4a238f;
  font-weight: 650;
  text-decoration: none;
}

.app-info-section a:hover,
.app-info-footer a:hover {
  text-decoration: underline;
}

/* =========================
   Funkcje / listy
   ========================= */

.app-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.app-info-feature {
  min-height: 130px;
  padding: 17px;
  border: 1px solid rgba(170, 183, 199, 0.86);
  border-radius: 15px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(232, 238, 247, 0.88));
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.app-info-feature p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.app-info-list {
  margin: 14px 0 0;
  padding-left: 22px;
}

.app-info-list li + li {
  margin-top: 6px;
}

/* =========================
   Akcje
   ========================= */

.app-info-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.app-info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 45px;
  padding: 12px 18px;
  border: 1px solid rgba(31, 41, 55, 0.78);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    background 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease,
    filter 0.16s ease;
}

.app-info-btn-primary {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.10);
}

.app-info-btn-primary:hover {
  transform: translateY(-1px);
  border-color: #ffffff;
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
}

.app-info-btn-secondary {
  background:
    linear-gradient(145deg, rgba(37, 48, 70, 0.96), rgba(20, 30, 50, 0.98));
  color: #ffffff;
  border-color: rgba(20, 30, 50, 0.94);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
}

.app-info-btn-secondary:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.20);
}

.app-info-btn:active {
  transform: translateY(1px);
}

/* =========================
   Stopka
   ========================= */

.app-info-footer {
  margin-top: 20px;
  text-align: center;
  color: #3f4b5f;
  font-size: 13px;
  font-weight: 400;
}

/* =========================
   Responsywność
   ========================= */

@media (max-width: 760px) {
  .app-info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-info-page {
    padding: 20px 12px 18px;
  }

  .app-info-header,
  .app-info-body {
    padding: 18px 16px;
  }

  .app-info-badge {
    margin-bottom: 14px;
  }

  .app-info-header h1 {
    font-size: 28px;
  }

  .app-info-header p,
  .app-info-section p,
  .app-info-section li {
    font-size: 14px;
  }

  .app-info-section {
    padding: 16px;
    border-radius: 14px;
  }

  .app-info-section h2 {
    font-size: 19px;
  }

  .app-info-feature {
    min-height: auto;
    padding: 15px;
  }

  .app-info-actions {
    flex-direction: column;
  }

  .app-info-btn {
    width: 100%;
  }
}