@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Variable.woff2") format("woff2-variations"),
       url("../fonts/Vazirmatn-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --color-primary: #1e3a5f;
  --color-on-primary: #ffffff;
  --color-secondary: #334155;
  --color-accent: #22c55e;
  --color-accent-hover: #16a34a;
  --color-background: #0f172a;
  --color-foreground: #ffffff;
  --color-foreground-muted: #94a3b8;
  --color-muted: #10192e;
  --color-surface: #16213c;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-destructive: #dc2626;
  --color-ring: #3b82f6;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.35);

  --font-sans: "Vazirmatn", "IRANSans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --container-max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  direction: rtl;
}

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

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

button {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand__icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__links a {
  color: var(--color-foreground-muted);
  font-size: 0.95rem;
  transition: color 200ms ease;
}

.site-nav__links a:hover,
.site-nav__links a:focus-visible {
  color: var(--color-foreground);
}

@media (max-width: 720px) {
  .site-nav__links {
    display: none;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease, opacity 150ms ease, background-color 150ms ease, border-color 150ms ease;
  min-height: 44px;
}

.btn:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-accent);
  color: #06210f;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-foreground);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-foreground-muted);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: var(--space-3xl) var(--space-2xl);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(30, 58, 95, 0.55), transparent 60%);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-lg);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-foreground-muted);
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--space-3xl);
}

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

.section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.section__eyebrow {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.section__head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: var(--space-sm) 0 var(--space-md);
}

.section__head p {
  color: var(--color-foreground-muted);
  margin: 0;
}

/* ---------- Feature grid ---------- */

.grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 255, 255, 0.16);
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-foreground-muted);
  font-size: 0.95rem;
}

/* ---------- Pricing ---------- */

.pricing-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pricing-card--popular {
  border-color: var(--color-accent);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  right: var(--space-lg);
  background: var(--color-accent);
  color: #06210f;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}

.pricing-card__name {
  font-weight: 700;
  font-size: 1.1rem;
}

.pricing-card__price {
  font-size: 1.75rem;
  font-weight: 800;
}

.pricing-card__price small {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-foreground-muted);
}

.pricing-card__discounts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-foreground-muted);
}

.pricing-card__discounts li {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
}

.pricing-note {
  text-align: center;
  color: var(--color-foreground-muted);
  font-size: 0.9rem;
  margin-top: var(--space-xl);
}

/* ---------- FAQ ---------- */

.faq {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: none;
  border: none;
  color: var(--color-foreground);
  font-size: 1rem;
  font-weight: 600;
  text-align: start;
  cursor: pointer;
}

.faq-item__question .icon {
  transition: transform 200ms ease;
  color: var(--color-foreground-muted);
}

.faq-item[data-open="true"] .faq-item__question .icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 250ms ease;
}

.faq-item[data-open="true"] .faq-item__answer {
  grid-template-rows: 1fr;
}

.faq-item__answer-inner {
  overflow: hidden;
}

.faq-item__answer p {
  margin: 0;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-foreground-muted);
  font-size: 0.95rem;
}

/* ---------- Final CTA ---------- */

.final-cta {
  text-align: center;
  background: linear-gradient(180deg, var(--color-muted), var(--color-background));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.final-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin: 0 0 var(--space-md);
}

.final-cta p {
  color: var(--color-foreground-muted);
  margin: 0 0 var(--space-xl);
}

/* ---------- Footer ---------- */

.site-footer {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-foreground-muted);
  font-size: 0.9rem;
}

.site-footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-footer__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ---------- Checkout page ---------- */

.checkout-shell {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
}

.checkout-card {
  width: 100%;
  max-width: 460px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2xl) var(--space-xl);
}

.checkout-card__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-weight: 700;
}

.checkout-card__logo .icon {
  color: var(--color-accent);
  width: 26px;
  height: 26px;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.summary-row:last-of-type {
  border-bottom: none;
}

.summary-row__label {
  color: var(--color-foreground-muted);
}

.summary-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-block: var(--space-lg);
  padding-block: var(--space-md);
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
}

.summary-total__label {
  font-weight: 600;
}

.summary-total__value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.payment-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-block: var(--space-lg);
}

.payment-method {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background: var(--color-muted);
  cursor: pointer;
  transition: border-color 200ms ease, background-color 200ms ease;
  min-height: 44px;
}

.payment-method:hover {
  border-color: rgba(255, 255, 255, 0.24);
}

.payment-method[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: rgba(34, 197, 94, 0.1);
}

.payment-method .icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.payment-method span {
  font-size: 0.9rem;
  font-weight: 600;
}

.payment-method small {
  color: var(--color-foreground-muted);
  font-size: 0.75rem;
}

.status-banner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

.status-banner--info {
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
}

.status-banner--success {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
}

.status-banner--error {
  background: rgba(220, 38, 38, 0.12);
  color: #fca5a5;
}

.qr-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-block: var(--space-lg);
}

.qr-box canvas {
  display: block;
}

.copy-field {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.copy-field input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  color: var(--color-foreground);
  font-family: monospace;
  font-size: 0.85rem;
  direction: ltr;
  text-align: left;
}

.copy-field input:focus {
  outline: none;
}

.copy-field button {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  padding: var(--space-xs);
  min-height: 32px;
  min-width: 32px;
}

.copy-field button:focus-visible {
  outline: 2px solid var(--color-ring);
  border-radius: 4px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
  flex-shrink: 0;
}

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

.field-hint {
  font-size: 0.8rem;
  color: var(--color-foreground-muted);
  margin-top: var(--space-xs);
}

.skeleton-line {
  height: 1em;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--color-muted) 25%, rgba(255,255,255,0.06) 50%, var(--color-muted) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}