/* ==========================================================================
   Unisolva base and component styles
   --------------------------------------------------------------------------
   Every directional property here is logical (margin-inline, padding-inline,
   border-inline-start, text-align: start/end). Nothing uses left/right.
   That is what makes Arabic a direction change rather than a second
   stylesheet. See §5.3.
   ========================================================================== */

/* -- fonts ---------------------------------------------------------------- */

@font-face { font-family: 'Outfit'; src: url('/assets/fonts/outfit-300.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Outfit'; src: url('/assets/fonts/outfit-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Outfit'; src: url('/assets/fonts/outfit-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Outfit'; src: url('/assets/fonts/outfit-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Outfit'; src: url('/assets/fonts/outfit-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }

@font-face { font-family: 'IBM Plex Sans'; src: url('/assets/fonts/plex-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'IBM Plex Sans'; src: url('/assets/fonts/plex-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'IBM Plex Sans'; src: url('/assets/fonts/plex-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }

@font-face { font-family: 'Cairo'; src: url('/assets/fonts/cairo-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Cairo'; src: url('/assets/fonts/cairo-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Cairo'; src: url('/assets/fonts/cairo-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }

/* -- reset ---------------------------------------------------------------- */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-inline-size: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* -- typography ----------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 5vw, var(--text-6xl)); }
h2 { font-size: clamp(1.75rem, 3.4vw, var(--text-4xl)); }
h3 { font-size: var(--text-xl); letter-spacing: var(--tracking-snug); }
h4 { font-size: var(--text-lg); letter-spacing: var(--tracking-snug); }

p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--accent);
}

.lede {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-inline-size: 62ch;
}

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

/* -- layout --------------------------------------------------------------- */

.container {
  inline-size: 100%;
  max-inline-size: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section--tight { padding-block: var(--space-12); }
.section--raised { background: var(--surface-raised); }
.section--inverse { background: var(--surface-inverse); color: var(--text-inverse); }
.section--inverse .lede,
.section--inverse .muted { color: var(--grey-200); }

.stack { display: flex; flex-direction: column; }
.stack-2 { gap: var(--space-2); }
.stack-3 { gap: var(--space-3); }
.stack-4 { gap: var(--space-4); }
.stack-6 { gap: var(--space-6); }
.stack-8 { gap: var(--space-8); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block-end: var(--space-12);
  max-inline-size: 68ch;
}
.section-head--center { align-items: center; text-align: center; margin-inline: auto; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease),
              border-color var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease);
  white-space: nowrap;
}

.btn--primary { background: var(--accent); color: var(--text-on-accent); }
.btn--primary:hover { background: var(--accent-hover); }

.btn--secondary { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn--secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn--onaccent { background: var(--white); color: var(--blue-600); }
.btn--onaccent:hover { background: var(--grey-100); }

.btn--ondark { background: var(--blue-400); color: var(--ink-900); }
.btn--ondark:hover { background: var(--white); }

.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

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

.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  border-block-end: 1px solid var(--border);
}
.hero__inner { display: flex; flex-direction: column; gap: var(--space-6); max-inline-size: 54ch; }
.hero h1 { margin-block-start: var(--space-2); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-block-start: var(--space-4); }

/* -- plan table ----------------------------------------------------------- */

.plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}
@media (min-width: 900px) { .plans { grid-template-columns: repeat(3, 1fr); } }

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--plan-bg);
  color: var(--white);
}

/* The popular tier inverts, per brand guide page 8. Its surface comes from
   a component token rather than a literal, because #161616 on a white page
   is a strong statement and #161616 on a #161616 page is an invisible card.
   On dark grounds it lifts to --ink-800 and takes an accent edge. */
.plan--featured {
  background: var(--plan-featured-bg);
  border: 1px solid var(--plan-featured-border);
  box-shadow: var(--plan-featured-shadow);
}

.plan__badge {
  position: absolute;
  inset-block-start: calc(var(--space-3) * -1);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  background: var(--blue-400);
  color: var(--ink-900);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
[dir='rtl'] .plan__badge { transform: translateX(50%); }

.plan__name {
  font-size: var(--text-2xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  text-align: center;
  opacity: 0.85;
}

.plan__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
  font-variant-numeric: tabular-nums;
  padding-block-end: var(--space-5);
  border-block-end: 1px solid rgb(255 255 255 / 0.22);
}
.plan__amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.03em;
  line-height: 1;
}
/* The billing period is not optional. It was specified in the brand book
   and lost in the last build; a bare number is a 12x ambiguity. */
.plan__term { font-size: var(--text-sm); opacity: 0.82; }

.plan__bundle {
  font-size: var(--text-xs);
  line-height: var(--leading-snug);
  padding: var(--space-3);
  border-radius: var(--radius-xs);
  background: rgb(255 255 255 / 0.12);
}
.plan--featured .plan__bundle { background: rgb(0 166 239 / 0.12); color: var(--blue-400); }
.plan__bundle strong { font-weight: var(--weight-semibold); }

.plan__features { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); font-size: var(--text-sm); }
.plan__features li { display: flex; gap: var(--space-2); align-items: flex-start; line-height: var(--leading-snug); }
.plan__features svg { flex: none; inline-size: 14px; block-size: 14px; margin-block-start: 3px; }
.plan__cta { margin-block-start: auto; }

/* -- feature grid --------------------------------------------------------- */

.features { display: grid; grid-template-columns: 1fr; gap: var(--space-8); }
@media (min-width: 700px) { .features--2, .features--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .features--3 { grid-template-columns: repeat(3, 1fr); }
  .features--4 { grid-template-columns: repeat(4, 1fr); }
}

.feature { display: flex; flex-direction: column; gap: var(--space-2); }
.feature__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--weight-semibold); letter-spacing: var(--tracking-snug); }
.feature__body { font-size: var(--text-sm); color: var(--text-muted); }
.feature__rule { inline-size: var(--space-8); block-size: 2px; background: var(--accent); margin-block-end: var(--space-2); }

/* -- proof band ----------------------------------------------------------- */

.proof { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
@media (min-width: 800px) { .proof { grid-template-columns: repeat(4, 1fr); } }

.stat { display: flex; flex-direction: column; gap: var(--space-1); }
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.stat__label { font-size: var(--text-xs); color: var(--text-muted); line-height: var(--leading-snug); }

/* -- faq ------------------------------------------------------------------ */

.faq { display: flex; flex-direction: column; border-block-start: 1px solid var(--border); max-inline-size: 76ch; }
.faq__item { border-block-end: 1px solid var(--border); }
.faq__q {
  inline-size: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  background: none;
  border: 0;
  text-align: start;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-snug);
  cursor: pointer;
}
.faq__icon { flex: none; transition: transform var(--duration-base) var(--ease); color: var(--accent); }
.faq__item[open] .faq__icon { transform: rotate(45deg); }
.faq__a { padding-block-end: var(--space-5); color: var(--text-muted); max-inline-size: 68ch; }
.faq__item summary { list-style: none; }
.faq__item summary::-webkit-details-marker { display: none; }

/* -- cta band ------------------------------------------------------------- */

.cta-band { border-radius: var(--radius-lg); padding: clamp(var(--space-10), 6vw, var(--space-16)); text-align: center; }
.cta-band--accent { background: var(--blue-600); color: var(--white); }
.cta-band--dark { background: var(--ink-900); color: var(--grey-100); }
.cta-band__inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-4); max-inline-size: 56ch; margin-inline: auto; }
.cta-band h2 { color: inherit; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; margin-block-start: var(--space-2); }

/* -- logo strip ----------------------------------------------------------- */

.logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: var(--space-10); }
.logos img { block-size: 28px; inline-size: auto; opacity: 0.55; filter: grayscale(1); transition: opacity var(--duration-base) var(--ease); }
.logos img:hover { opacity: 1; filter: none; }
.logos__caption { text-align: center; font-size: var(--text-xs); color: var(--text-subtle); margin-block-end: var(--space-6); letter-spacing: var(--tracking-wide); text-transform: uppercase; }

/* -- rich text ------------------------------------------------------------ */

.prose { max-inline-size: 68ch; display: flex; flex-direction: column; gap: var(--space-4); color: var(--text-muted); }
.prose h2, .prose h3 { color: var(--text); margin-block-start: var(--space-4); }
.prose ul { padding-inline-start: var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
.prose--center { margin-inline: auto; text-align: center; }

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

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-4); }
.site-header__logo { display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: var(--weight-semibold); font-size: var(--text-lg); letter-spacing: var(--tracking-tight); }
.site-header__logo img { block-size: 30px; inline-size: auto; }
.site-nav { display: none; gap: var(--space-6); font-size: var(--text-sm); }
@media (min-width: 880px) { .site-nav { display: flex; } }
.site-nav a { color: var(--text-muted); transition: color var(--duration-fast) var(--ease); }
.site-nav a:hover { color: var(--text); }
.site-header__actions { display: flex; align-items: center; gap: var(--space-3); }

.site-footer { border-block-start: 1px solid var(--border); padding-block: var(--space-12); font-size: var(--text-sm); color: var(--text-subtle); }
.site-footer__inner { display: flex; flex-wrap: wrap; gap: var(--space-6); justify-content: space-between; align-items: center; }

/* -- dev banner ----------------------------------------------------------- */

.devbar {
  background: var(--state-warning);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  text-align: center;
  padding-block: var(--space-2);
  letter-spacing: 0.04em;
}