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

[hidden] {
  display: none !important;
}

:root {
  --white: #ffffff;
  --ivory: #f7f7f5;
  --gray: #e8e8e6;
  --mid: #a1a1a1;
  --dark-text: #71717a;
  --black: #09090b;
  --accent: #1a1a4a;
  --accent-hover: #2c2c5e;
  --accent-visible: #3d3d7a;
  --success: #175a3c;
  --success-bg: rgba(31, 139, 85, 0.1);
  --danger: #842f2f;
  --danger-bg: rgba(176, 61, 61, 0.08);
  --shadow-soft: 0 18px 50px rgba(9, 9, 11, 0.06);
  --shadow-card: 0 22px 70px rgba(26, 26, 74, 0.08);
  --serif: "DM Serif Display", Georgia, serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.026;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2.4rem;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(9, 9, 11, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-brand {
  font-family: var(--serif);
  font-size: 1.28rem;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dark-text);
  transition: color 0.25s ease;
}

.nav-link:hover {
  color: var(--black);
}

.btn,
.nav-btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: var(--white);
  padding: 0.82rem 1.8rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.btn:hover,
.nav-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 14px 30px rgba(26, 26, 74, 0.18);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.84);
  color: var(--black);
  border: 1px solid rgba(9, 9, 11, 0.08);
}

.btn-secondary:hover {
  background: var(--white);
}

.btn-full {
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.34rem 0.78rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.badge-active {
  color: var(--success);
  background: var(--success-bg);
}

.badge-trial {
  color: var(--accent);
  background: rgba(26, 26, 74, 0.08);
}

.badge-inactive,
.badge-expired {
  color: var(--danger);
  background: var(--danger-bg);
}

.hint {
  color: var(--dark-text);
  font-size: 0.82rem;
  line-height: 1.6;
}

.hint a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.loading {
  color: var(--dark-text);
  text-align: center;
}

.dialog-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  padding: 1rem;
  background: rgba(9, 9, 11, 0.36);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  place-items: center;
}

.dialog-overlay.open {
  display: grid;
}

.dialog-box {
  width: min(560px, 100%);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(9, 9, 11, 0.08);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  padding: 1.8rem;
  position: relative;
}

.dialog-close {
  appearance: none;
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 999px;
  background: rgba(9, 9, 11, 0.04);
  color: var(--dark-text);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.dialog-close:hover {
  background: rgba(9, 9, 11, 0.08);
  color: var(--black);
}

.dialog-title {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 400;
  line-height: 1.05;
}

@media (max-width: 780px) {
  nav {
    padding: 0.95rem 1.2rem;
  }

  .nav-actions {
    gap: 0.8rem;
  }

  .nav-link {
    display: none;
  }
}