/* =========================================================================
   NoteX — plain CSS design system (no Tailwind, no React)
   ========================================================================= */

/* ---------------------------- design tokens ----------------------------- */

:root {
  --radius: 0.875rem;
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-2xl: calc(var(--radius) + 8px);

  --background: oklch(0.995 0.002 250);
  --foreground: oklch(0.19 0.02 265);
  --card: oklch(1 0 0);

  --primary: oklch(0.53 0.19 268);
  --primary-foreground: oklch(0.99 0.003 250);
  --primary-glow: oklch(0.66 0.17 288);

  --secondary: oklch(0.965 0.008 265);
  --secondary-foreground: oklch(0.27 0.03 265);

  --muted: oklch(0.965 0.008 265);
  --muted-foreground: oklch(0.53 0.02 265);

  --accent: oklch(0.955 0.02 280);
  --accent-foreground: oklch(0.3 0.06 275);

  --border: oklch(0.918 0.008 265);
  --ring: oklch(0.53 0.19 268);

  /* NoteX tier colors */
  --study: oklch(0.6 0.14 158);
  --study-foreground: oklch(0.99 0.003 250);
  --study-soft: oklch(0.955 0.03 158);

  --prepare: oklch(0.56 0.16 250);
  --prepare-foreground: oklch(0.99 0.003 250);
  --prepare-soft: oklch(0.955 0.03 250);

  --grow: oklch(0.55 0.2 300);
  --grow-foreground: oklch(0.99 0.003 250);
  --grow-soft: oklch(0.955 0.035 300);

  --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-glow));
  --gradient-surface: linear-gradient(180deg, oklch(0.99 0.008 280), oklch(1 0 0));
  --gradient-hero: radial-gradient(
    80% 60% at 50% 0%,
    color-mix(in oklab, var(--primary) 14%, transparent),
    transparent 70%
  );

  --shadow-soft: 0 1px 2px oklch(0.2 0.03 265 / 0.04), 0 8px 24px -12px oklch(0.2 0.03 265 / 0.12);
  --shadow-lift: 0 2px 4px oklch(0.2 0.03 265 / 0.04), 0 24px 48px -20px oklch(0.2 0.03 265 / 0.22);
  --shadow-glow: 0 20px 60px -24px color-mix(in oklab, var(--primary) 55%, transparent);

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;

  --card-bg: #ffffff;

  --know-title: #087dcc;
  --know-text: #64748b;

   /* limited addition */
    --limited-bg: #eef7ff;

    /* Strong visible border */
    --limited-border: #299eea;

    --limited-accent: #087dcc;

    --limited-title: #0f172a;

    --limited-description: #64748b;

    --limited-arrow-bg: rgba(8, 125, 204, 0.08);

    --limited-shadow: rgba(8, 125, 204, 0.10);
}

.dark {
  --background: oklch(0.129 0.042 264.695);
  --foreground: oklch(0.984 0.003 247.858);
  --card: oklch(0.208 0.042 265.755);

  --primary: oklch(0.929 0.013 255.508);
  --primary-foreground: oklch(0.208 0.042 265.755);

  --secondary: oklch(0.279 0.041 260.031);
  --secondary-foreground: oklch(0.984 0.003 247.858);

  --muted: oklch(0.279 0.041 260.031);
  --muted-foreground: oklch(0.704 0.04 256.788);

  --accent: oklch(0.279 0.041 260.031);
  --accent-foreground: oklch(0.984 0.003 247.858);

  --border: oklch(1 0 0 / 10%);
  --ring: oklch(0.551 0.027 264.364);

  --study: oklch(0.72 0.15 158);
  --study-foreground: oklch(0.16 0.03 158);
  --study-soft: oklch(0.24 0.04 158);

  --prepare: oklch(0.72 0.13 250);
  --prepare-foreground: oklch(0.16 0.03 250);
  --prepare-soft: oklch(0.24 0.04 250);

  --grow: oklch(0.72 0.17 300);
  --grow-foreground: oklch(0.16 0.03 300);
  --grow-soft: oklch(0.24 0.045 300);

  --gradient-surface: linear-gradient(180deg, oklch(0.22 0.045 265), oklch(0.19 0.04 265));
  --gradient-hero: radial-gradient(
    80% 60% at 50% 0%,
    color-mix(in oklab, var(--primary) 22%, transparent),
    transparent 70%
  );
  --shadow-soft: 0 1px 2px oklch(0 0 0 / 0.3), 0 8px 24px -12px oklch(0 0 0 / 0.5);
  --shadow-lift: 0 2px 4px oklch(0 0 0 / 0.3), 0 24px 48px -20px oklch(0 0 0 / 0.6);
  --card-bg: #0d172b;

  --know-title: #52b8ff;
  --know-text: #9fc2e2;

  /* limited addition */
  --limited-bg: #0b2035;

    /* Strong visible border */
    --limited-border: #299eea;

    --limited-accent: #52b8ff;

    --limited-title: #ffffff;

    --limited-description: #9fc2e2;

    --limited-shadow: rgba(82, 184, 255, 0.10);

}

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

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-color: var(--border);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

button,
input {
  font: inherit;
  color: inherit;
}

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

ul {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  text-wrap: balance;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: 72rem; /* 1152px, ~ max-w-6xl */
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ------------------------------ utilities -------------------------------- */

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.surface-card {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
}

.tone-study { color: var(--study); }
.tone-prepare { color: var(--prepare); }
.tone-grow { color: var(--grow); }

@keyframes notex-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.animate-rise {
  animation: notex-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --------------------------------- eyebrow -------------------------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.eyebrow-primary {
  border-color: color-mix(in oklab, var(--primary) 20%, transparent);
  background: color-mix(in oklab, var(--primary) 8%, transparent);
  color: var(--primary);
}
.eyebrow-study {
  border-color: color-mix(in oklab, var(--study) 25%, transparent);
  background: var(--study-soft);
  color: var(--study);
}
.eyebrow-prepare {
  border-color: color-mix(in oklab, var(--prepare) 25%, transparent);
  background: var(--prepare-soft);
  color: var(--prepare);
}
.eyebrow-grow {
  border-color: color-mix(in oklab, var(--grow) 25%, transparent);
  background: var(--grow-soft);
  color: var(--grow);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-xl);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: color-mix(in oklab, var(--primary) 92%, transparent);
}

.btn-ghost {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
}
.btn-ghost:hover {
  background: var(--muted);
}

.btn-outline {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
}

.btn-sm {
  padding: 0.5rem 1rem;
}

.btn-block {
  width: 100%;
}

.btn-tone {
  color: var(--primary-foreground);
  box-shadow: var(--shadow-soft);
}
.btn-tone:hover {
  transform: translateY(-2px);
}
.btn-tone-study { background: var(--study); }
.btn-tone-prepare { background: var(--prepare); }
.btn-tone-grow { background: var(--grow); }

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

.hero,
.subjects-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 1.25rem 4rem;
}

@media (min-width: 640px) {
  .hero,
  .subjects-hero { padding-top: 7rem; }
}

.subjects-hero { padding-bottom: 2.5rem; }

.hero-glow {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-inner {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  margin-top: 1.75rem;
  font-size: 2.25rem;
  line-height: 1.05;
  font-weight: 700;
}

@media (min-width: 640px) {
  .hero-title { font-size: 3.75rem; }
}

.hero-sub {
  margin: 1.5rem auto 0;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted-foreground);
}

@media (min-width: 640px) {
  .hero-sub { font-size: 1.125rem; }
}

.hero-ctas {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.hero-footnote {
  margin-top: 1.75rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* --------------------------------- pillars -------------------------------- */

.pillars-grid {
  position: relative;
  margin: 4rem auto 0;
  max-width: 72rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .pillars-grid { grid-template-columns: repeat(3, 1fr); }
}

.pillar-card {
  padding: 1.75rem;
  transition: all 0.3s ease;
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.pillar-icon { font-size: 1.5rem; }
.pillar-eyebrow { margin-top: 1rem; }
.pillar-title { margin-top: 1rem; font-size: 1.125rem; font-weight: 600; }

.pillar-tags {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  border-radius: var(--radius-md);
  background: var(--muted);
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

/* --------------------------------- sections ------------------------------- */

.section {
  padding: 5rem 1.25rem;
}

@media (min-width: 640px) {
  .section { padding-top: 7rem; padding-bottom: 7rem; }
}

.section-secondary {
  background: color-mix(in oklab, var(--secondary) 60%, transparent);
}
.section-tint-prepare {
  background: color-mix(in oklab, var(--prepare-soft) 60%, transparent);
}
.section-tint-grow {
  background: color-mix(in oklab, var(--grow-soft) 60%, transparent);
}

.section-heading {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
}
.section-heading h2 {
  font-size: 1.875rem;
  font-weight: 600;
}
@media (min-width: 640px) {
  .section-heading h2 { font-size: 2.25rem; }
}
.section-heading p {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.section-cta {
  margin-top: 2.5rem;
  text-align: center;
}

/* --------------------------------- college -------------------------------- */

.college-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .college-grid { grid-template-columns: repeat(3, 1fr); }
}

.college-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  transition: all 0.3s ease;
}
.college-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.college-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-xl);
  background: var(--muted);
  font-size: 1.125rem;
}

.college-label {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ------------------------------ split sections ----------------------------- */

.split-grid {
  display: grid;
  align-items: center;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .split-grid { grid-template-columns: repeat(2, 1fr); }
}

.split-title {
  margin-top: 1.5rem;
  font-size: 1.875rem;
  font-weight: 600;
}
@media (min-width: 640px) {
  .split-title { font-size: 2.25rem; }
}

.split-text {
  margin-top: 1rem;
  color: var(--muted-foreground);
}

.split-cta,
.split-cta-single {
  margin-top: 1.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.split-cta-note {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.price-row {
  margin-top: 2rem;
  display: flex;
  align-items: flex-end;
  gap: 1rem;
}

.price-big {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
}

.price-suffix {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.price-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.price-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--border);
}

.pro-features-card {
  padding: 2rem;
}

.check-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .check-grid { grid-template-columns: repeat(2, 1fr); }
}
.pricing-features {
  grid-template-columns: 1fr;
  flex: 1;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: color-mix(in oklab, var(--foreground) 85%, transparent);
}

.check-icon {
  margin-top: 0.125rem;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--primary);
}

/* --------------------------------- pro plus -------------------------------- */

.proplus-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .proplus-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .proplus-grid { grid-template-columns: repeat(4, 1fr); }
}

.proplus-card {
  padding: 1.5rem;
  transition: all 0.3s ease;
}
.proplus-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.proplus-icon { font-size: 1.5rem; }
.proplus-title { margin-top: 1rem; font-size: 1rem; font-weight: 600; }
.proplus-body {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}

.proplus-price-row {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.proplus-price { text-align: center; }

/* --------------------------------- pricing ---------------------------------- */

.pricing-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
}

.pricing-card-popular {
  box-shadow: var(--shadow-lift);
  outline: 2px solid var(--prepare);
  outline-offset: 0;
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 1.75rem;
  border-radius: 999px;
  background: var(--prepare);
  color: var(--prepare-foreground);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-price-row {
  margin-top: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.pricing-lead {
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.pricing-card .check-grid {
  margin-top: 1rem;
  flex: 1;
  gap: 0.625rem;
}

.pricing-card .btn { margin-top: 1.25rem; }

/* --------------------------------- know more (medium) ---------------------------------- */

.know-more-link {
  margin-top: 1.25rem;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  border: 1px solid var(--border);
  background: var(--muted);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--know-title);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.know-more-link:hover {
  background: color-mix(in oklab, var(--know-title) 10%, var(--muted));
  border-color: color-mix(in oklab, var(--know-title) 30%, var(--border));
  transform: translateX(2px);
}

.know-more-tag {
  margin-left: auto;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

.know-more-chevron {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

/* ------------------------------- achievements --------------------------------- */

.achievements-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .achievements-grid { grid-template-columns: repeat(4, 1fr); }
}

.achievement-card {
  padding: 1.5rem;
  text-align: center;
}
.achievement-value {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 700;
}
.achievement-label {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* ------------------------------- testimonials ---------------------------------- */

.testimonials-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}
.stars { font-size: 0.875rem; letter-spacing: 0.05em; }
.testimonial-card blockquote {
  margin-top: 1rem;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.65;
  color: color-mix(in oklab, var(--foreground) 85%, transparent);
}
.testimonial-card figcaption {
  margin-top: 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

/* --------------------------------- final cta ------------------------------------ */

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 6rem 1.25rem;
}

.final-cta-inner {
  position: relative;
  max-width: 40rem;
  margin: 0 auto;
  text-align: center;
}
.final-cta-inner h2 {
  font-size: 1.875rem;
  font-weight: 700;
}
@media (min-width: 640px) {
  .final-cta-inner h2 { font-size: 3rem; }
}
.final-cta-inner p {
  margin-top: 1.25rem;
  color: var(--muted-foreground);
}
.final-cta-btn { margin-top: 2.25rem; }
.final-cta-footnote {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* ---------------------------------- subjects page --------------------------------- */

.search-bar {
  margin: 2.25rem auto 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 32rem;
  width: 100%;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-soft);
}
.search-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--muted-foreground);
}
.search-bar input {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 0.875rem;
  outline: none;
}
.search-bar input::placeholder {
  color: var(--muted-foreground);
}

.filter-row {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.filter-chip {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted-foreground);
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease;
}
.filter-chip:hover {
  color: var(--foreground);
}
.filter-chip-active {
  border-color: color-mix(in oklab, var(--primary) 25%, transparent);
  background: color-mix(in oklab, var(--primary) 10%, transparent);
  color: var(--primary);
}

.subjects-section { padding-top: 1.5rem; padding-bottom: 6rem; }

.subjects-grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .subjects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .subjects-grid { grid-template-columns: repeat(3, 1fr); }
}

.subject-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 1.75rem;
  transition: all 0.3s ease;
}
.subject-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.subject-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.subject-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: var(--muted);
  font-size: 1.5rem;
}

.subject-title { margin-top: 1.25rem; font-size: 1.25rem; font-weight: 600; }
.subject-desc {
  margin-top: 0.625rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.subject-card-bottom {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  padding-top: 1rem;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.subject-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}
.subject-stats span:not([aria-hidden]) {
  font-weight: 500;
  color: color-mix(in oklab, var(--foreground) 80%, transparent);
}

.request-card {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  padding: 2rem;
}
@media (min-width: 640px) {
  .request-card {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.request-card h3 { font-size: 1.125rem; font-weight: 600; }
.request-card p { margin-top: 0.375rem; font-size: 0.875rem; color: var(--muted-foreground); }

/* /limited addition */
/* =========================================
   LIMITED EDITION BOX (medium)
   ========================================= */

.limited-edition {
    width: 100%;

    min-height: 68px;

    margin-top: 1.25rem;
    margin-bottom: 1.25rem;

    padding: 0.75rem 1rem;

    display: flex;
    align-items: center;
    gap: 0.75rem;

    box-sizing: border-box;

    border: 1.5px solid var(--limited-border);

    border-radius: var(--radius-lg);

    background: var(--limited-bg);

    transition:
        background  0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}


/* =========================================
   ICON
   ========================================= */

.limited-edition-icon {
    width: 32px;
    height: 32px;

    min-width: 32px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid var(--limited-accent);

    border-radius: 50%;

    color: var(--limited-accent);

    font-size: 15px;

    box-sizing: border-box;
}


/* =========================================
   TEXT
   ========================================= */

.limited-edition-text {
    flex: 1;
    min-width: 0;
}


.limited-edition-text h3 {
    margin: 0 0 2px;

    color: var(--limited-title);

    font-size: 0.9375rem;

    font-weight: 700;

    line-height: 1.2;
}


.limited-edition-text p {
    margin: 0;

    color: var(--limited-description);

    font-size: 0.8125rem;

    line-height: 1.4;
}


/* =========================================
   ARROW
   ========================================= */

.limited-edition-arrow {
    width: 28px;
    height: 28px;

    min-width: 28px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    color: var(--limited-accent);

    transition:
        transform 0.25s ease,
        background 0.25s ease;
}


.limited-edition-arrow svg {
    width: 16px;
    height: 16px;

    fill: none;

    stroke: currentColor;

    stroke-width: 2;

    stroke-linecap: round;
    stroke-linejoin: round;
}


.limited-edition:hover {
    border-color: var(--limited-accent);

    box-shadow:
        0 0 14px var(--limited-shadow);
}


.limited-edition:hover .limited-edition-arrow {
    background: var(--limited-arrow-bg);

    transform: translateX(3px);
}

/* --------------------------------- billing note ---------------------------------- */

.billing-note {
  position: relative;
  margin-top: 3rem;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 2rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(var(--card), var(--card)) padding-box,
    linear-gradient(135deg, var(--prepare), var(--grow)) border-box;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.billing-note::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    60% 120% at 0% 50%,
    color-mix(in oklab, var(--prepare) 10%, transparent),
    transparent 70%
  );
  pointer-events: none;
}

.billing-note:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.billing-note-badge {
  position: absolute;
  top: -0.75rem;
  left: 2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--prepare), var(--grow));
  color: #fff;
  padding: 0.25rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  box-shadow: 0 4px 12px -4px color-mix(in oklab, var(--prepare) 60%, transparent);
}

.billing-note-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  flex-shrink: 0;
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--prepare) 12%, var(--muted));
  font-size: 1.5rem;
}

.billing-note-text {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.billing-note-text h4 {
  margin: 0 0 0.25rem;
  font-size: 1.0625rem;
  font-weight: 700;
}

.billing-note-text p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--muted-foreground);
}

.billing-note-text strong {
  color: var(--prepare);
  font-weight: 700;
}

.billing-note-btn {
  position: relative;
  flex-shrink: 0;
  white-space: nowrap;
}

/* ---- mobile ---- */
@media (max-width: 720px) {
  .billing-note {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 1.5rem 1.25rem;
    gap: 1rem;
  }
  .billing-note-badge {
    left: 1.25rem;
  }
  .billing-note-icon {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.25rem;
  }
  .billing-note-btn {
    width: 100%;
  }
}