:root {
  --bg: #0b1020;
  --bg-2: #111731;
  --card: #151c37;
  --card-2: #1b2444;
  --line: #263159;
  --text: #f1f4fd;
  --muted: #b6c0dd;
  --accent: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 16px;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: radial-gradient(1000px 620px at 80% -10%, #1c2a5c 0%, transparent 62%), var(--bg);
  color: var(--text);
  font-family: Vazirmatn, 'Segoe UI', Tahoma, 'Iranian Sans', system-ui, -apple-system, sans-serif;
  font-size: 14.5px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 0 18px;
}

.hidden {
  display: none !important;
}

.spacer {
  flex: 1;
}

.muted {
  color: var(--muted);
}

.tiny {
  font-size: 11.5px;
}

/* Latin values must not be reordered by the bidi algorithm inside Persian text. */
bdi {
  unicode-bidi: isolate;
}

.ltr {
  direction: ltr;
  text-align: left;
  unicode-bidi: isolate;
}

/* ------------------------------------------------------------- chrome -- */

.site-head {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 32, 0.75);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.head-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-block: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
}

main {
  flex: 1;
  padding-block: 26px 44px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.site-foot {
  border-top: 1px solid var(--line);
  padding-block: 14px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

.loading-block {
  padding: 60px;
  text-align: center;
}

.spinner {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* --------------------------------------------------------------- hero -- */

.hero {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

h1 {
  margin: 0;
  font-size: 23px;
}

h2 {
  margin: 14px 0 6px;
  font-size: 16px;
}

.lead {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.seg {
  display: inline-flex;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 4px;
}

.seg-btn {
  border: none;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  padding: 7px 15px;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
}

.seg-btn.on {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
  color: #fff;
}

/* --------------------------------------------------------------- plans -- */

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  cursor: pointer;
  text-align: start;
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s, transform 0.1s;
}

.plan-card:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  transform: translateY(-2px);
}

.plan-name {
  font-size: 16px;
  font-weight: 700;
}

.plan-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.spec {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 12px;
  color: var(--muted);
}

.plan-desc {
  color: var(--muted);
  font-size: 12.5px;
  min-height: 1.9em;
}

.plan-price {
  font-size: 19px;
  font-weight: 700;
  margin-top: auto;
  padding-top: 6px;
}

/* --------------------------------------------------------------- cards -- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.field > span {
  font-size: 12.5px;
  color: var(--muted);
}

.hint {
  color: var(--muted);
  font-size: 11.5px;
  opacity: 0.85;
}

.inline-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.inline-row input {
  flex: 1;
}

input,
select,
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 11px;
  padding: 10px 12px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.chosen-plan {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 12px 15px;
}

.chosen-name {
  font-weight: 700;
  font-size: 15px;
}

.chosen-price {
  margin-inline-start: auto;
  font-weight: 700;
}

.contact-note {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  border-radius: 11px;
  padding: 9px 13px;
  font-size: 12.5px;
  color: var(--muted);
}

.account-note {
  font-size: 12.5px;
  border-radius: 10px;
  padding: 7px 12px;
}

.account-note.ok {
  background: color-mix(in srgb, var(--ok) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--ok) 40%, transparent);
  color: #bbf7d0;
}

.account-note.bad {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  color: #fecaca;
}

.form-error {
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent);
  color: #fecaca;
  border-radius: 11px;
  padding: 9px 12px;
  font-size: 13px;
}

.terms {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  color: var(--muted);
  font-size: 12.5px;
}

.terms summary {
  cursor: pointer;
}

/* ------------------------------------------------------------- methods -- */

.method-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 9px;
}

.method {
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 13.5px;
  text-align: start;
}

.method:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.method.on {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
}

.method-icon {
  font-size: 17px;
}

/* ------------------------------------------------------------ payments -- */

.pay-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 6px 15px;
  display: flex;
  flex-direction: column;
}

.pay-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed color-mix(in srgb, var(--line) 75%, transparent);
  font-size: 13.5px;
  flex-wrap: wrap;
}

.pay-row:last-child {
  border-bottom: none;
}

.pay-value {
  margin-inline-start: auto;
}

.pay-row code {
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  background: var(--card-2);
  border-radius: 8px;
  padding: 3px 11px;
  direction: ltr;
  user-select: all;
  letter-spacing: 0.05em;
}

.pay-row code.big {
  font-size: 16px;
}

.row-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.preview {
  text-align: center;
}

.preview img {
  max-width: 100%;
  max-height: 320px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

/* -------------------------------------------------------- credentials -- */

.cred-card {
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  background: color-mix(in srgb, var(--ok) 7%, var(--card));
}

.cred-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 14px 16px;
  margin: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cred-line {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cred-line code {
  flex: 1;
  min-width: 140px;
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-size: 17px;
  background: var(--card-2);
  border-radius: 9px;
  padding: 6px 12px;
  direction: ltr;
  text-align: left;
  user-select: all;
}

.banner {
  border-radius: 13px;
  padding: 13px 17px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
}

.banner.ok {
  background: color-mix(in srgb, var(--ok) 15%, transparent);
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  color: #bbf7d0;
}

.banner.warn {
  background: color-mix(in srgb, var(--warn) 15%, transparent);
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
  color: #fcd34d;
}

.banner.bad {
  background: color-mix(in srgb, var(--danger) 15%, transparent);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
  color: #fecaca;
}

.tag {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 11.5px;
  font-weight: 600;
  border: 1px solid transparent;
}

.tag.ok {
  background: color-mix(in srgb, var(--ok) 18%, transparent);
  color: #86efac;
  border-color: color-mix(in srgb, var(--ok) 40%, transparent);
}

.tag.wait {
  background: color-mix(in srgb, var(--warn) 18%, transparent);
  color: #fcd34d;
  border-color: color-mix(in srgb, var(--warn) 40%, transparent);
}

.tag.bad {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: #fca5a5;
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--card-2);
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 11.5px;
  color: var(--muted);
}

.row-center {
  display: flex;
  gap: 9px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------ buttons -- */

.btn {
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  padding: 10px 17px;
  border-radius: 11px;
  cursor: pointer;
  font: inherit;
  font-size: 13.5px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: filter 0.15s, transform 0.05s;
}

.btn:hover {
  filter: brightness(1.15);
}
.btn:active {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.btn.ghost {
  background: transparent;
}

.btn.small {
  padding: 6px 12px;
  font-size: 12.5px;
}

.btn.block {
  width: 100%;
}

/* -------------------------------------------------------------- modal -- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 16, 0.7);
  backdrop-filter: blur(3px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
}

.modal {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  width: min(480px, 100%);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-actions {
  display: flex;
  gap: 9px;
  justify-content: flex-end;
}

/* ------------------------------------------------------------- toasts -- */

.toasts {
  position: fixed;
  inset-block-end: 18px;
  inset-inline-end: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
}

.toast {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 15px;
  box-shadow: var(--shadow);
  max-width: 320px;
  font-size: 13px;
  transition: opacity 0.25s;
}

.toast.err {
  border-color: color-mix(in srgb, var(--danger) 55%, transparent);
}

@media (max-width: 600px) {
  .card {
    padding: 18px;
  }
  h1 {
    font-size: 20px;
  }
}