/* Karizma Class — Privacy Policy & Terms website
   Visual system inherited from karizma_class/lib/core/config/theme.dart
   (KarizmaTheme) — same brand ramp, same font, same restrained-chrome
   instinct as the Flutter app, not a separate identity. */

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Medium.ttf') format('truetype');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: light;

  /* ---- Brand ramp (KarizmaTheme, verbatim) ---- */
  --primary: #004bba;
  --primary-bright: #0059dc;
  --primary-mid: #0046ae;
  --primary-dark: #00268f;
  --primary-light: #72acff;
  --primary-container: #dceaff;
  --on-primary-container: #00268f;

  --secondary: #062b90;
  --secondary-container: #e8f0ff;

  --accent: #a0670f;
  --accent-container: #faebd3;

  /* ---- Neutrals ---- */
  --background: #f7f9fd;
  --surface: #ffffff;
  --surface-dim: #f2f5fb;
  --surface-container: #edf2fa;
  --surface-container-high: #e4ebf7;
  --on-surface: #111a2e;
  --on-surface-variant: #57627a;
  --outline: #c3cdde;
  --outline-variant: #e1e8f3;

  /* ---- Semantic ---- */
  --success: #1e8e5a;
  --success-container: #ddf3e7;
  --warning: #b9740e;
  --warning-container: #faebd3;
  --error: #c63c33;
  --error-container: #fbe2e0;

  /* ---- Shape & shadow (brand-tinted, never neutral black) ---- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 75, 186, 0.08);
  --shadow-md: 0 6px 18px rgba(0, 75, 186, 0.12);
  --shadow-lg: 0 14px 36px rgba(0, 38, 143, 0.16);

  --hero-gradient: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 52%, var(--primary-bright) 100%);

  --content-measure: 42rem;
  --header-h: 4.25rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--background);
  color: var(--on-surface);
  font-family: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Browser surfaces — themed, not left to defaults */
::selection {
  background: var(--primary-container);
  color: var(--primary-dark);
}

:focus-visible {
  outline: 2.5px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

a {
  color: var(--primary);
  text-decoration-color: color-mix(in srgb, var(--primary) 35%, transparent);
  text-underline-offset: 0.18em;
}
a:hover {
  text-decoration-color: currentColor;
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}
::-webkit-scrollbar-track {
  background: var(--surface-dim);
}
::-webkit-scrollbar-thumb {
  background: var(--outline);
  border-radius: 999px;
  border: 3px solid var(--surface-dim);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--on-surface-variant);
}
html {
  scrollbar-color: var(--outline) var(--surface-dim);
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

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

.icon {
  width: 1em;
  height: 1em;
  stroke-width: 2;
  flex-shrink: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(247, 249, 253, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--outline-variant);
}

.site-header__inner {
  width: 100%;
  max-width: 74rem;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--on-surface);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand img {
  height: 2.1rem;
  width: 2.1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: background-color 180ms ease, color 180ms ease;
}
.site-nav a:hover {
  background: var(--surface-container);
  color: var(--on-surface);
}
.site-nav a[aria-current='page'] {
  color: var(--primary);
  background: var(--primary-container);
}

.nav-toggle {
  display: none;
}

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

.site-footer {
  border-top: 1px solid var(--outline-variant);
  background: var(--surface);
  margin-top: 5rem;
}

.site-footer__inner {
  max-width: 74rem;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 2.75rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.footer-brand img {
  height: 2.4rem;
  width: 2.4rem;
  margin-top: 0.1rem;
}
.footer-brand h3 {
  font-size: 1.05rem;
}
.footer-brand p {
  margin-top: 0.35rem;
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 28ch;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-surface-variant);
  margin-bottom: 0.9rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a,
.footer-contact-item {
  color: var(--on-surface);
  text-decoration: none;
  font-size: 0.92rem;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  line-height: 1.5;
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-col .icon {
  color: var(--primary);
  margin-top: 0.2rem;
  font-size: 1rem;
}

.footer-bottom {
  border-top: 1px solid var(--outline-variant);
}
.footer-bottom__inner {
  max-width: 74rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--on-surface-variant);
  font-size: 0.82rem;
}

@media (max-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 1.25rem 2.25rem;
  }
}

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

.btn {
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  height: 3.1rem;
  padding: 0 1.55rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}
.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  color: var(--btn-fg);
  background: var(--hero-gradient);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  box-shadow: var(--shadow-lg);
}

.btn--ghost {
  color: var(--on-surface);
  background: var(--surface);
  border: 1.4px solid var(--outline);
}
.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-container);
}

/* ---------------------------------------------------------------- */
/* Hero (home)                                                       */
/* ---------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: clip;
  background: var(--hero-gradient);
  padding: clamp(3.5rem, 8vw, 6.5rem) 1.25rem clamp(5.5rem, 11vw, 8.5rem);
}

.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto auto;
  width: 34rem;
  height: 34rem;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto auto -30% -12%;
  width: 30rem;
  height: 30rem;
  background: radial-gradient(circle, rgba(114, 172, 255, 0.28), transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  max-width: 46rem;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.hero__mark {
  width: 6.5rem;
  height: 6.5rem;
  margin: 0 auto 2rem;
  border-radius: var(--radius-xl);
  background: #ffffff;
  box-shadow: 0 16px 32px rgba(0, 19, 74, 0.32), 0 2px 8px rgba(0, 19, 74, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.1rem;
}
.hero__mark img {
  width: 100%;
  height: 100%;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.hero p {
  margin-top: 1.15rem;
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
  max-width: 40ch;
  margin-left: auto;
  margin-right: auto;
}

.hero__meta {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
}
.hero__meta .icon {
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------- */
/* Document picker (home)                                            */
/* ---------------------------------------------------------------- */

.doc-picker {
  max-width: 74rem;
  margin: -4.25rem auto 0;
  padding: 0 1.25rem;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.doc-card {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2.25rem 2rem;
  text-decoration: none;
  color: var(--on-surface);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.doc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(0, 38, 143, 0.2);
  border-color: var(--primary-light);
}

.doc-card__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.doc-card--privacy .doc-card__icon {
  background: var(--primary-container);
  color: var(--on-primary-container);
}
.doc-card--terms .doc-card__icon {
  background: var(--secondary-container);
  color: var(--secondary);
}

.doc-card h2 {
  font-size: 1.28rem;
}

.doc-card p {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  line-height: 1.6;
}

.doc-card__cta {
  margin-top: auto;
  padding-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--primary);
}
.doc-card:hover .doc-card__cta .icon {
  transform: translateX(3px);
}
.doc-card__cta .icon {
  transition: transform 200ms ease;
}

@media (max-width: 720px) {
  .doc-picker {
    grid-template-columns: 1fr;
    margin-top: -3.25rem;
  }
}

/* ---------------------------------------------------------------- */
/* Home — trust / facts strip                                        */
/* ---------------------------------------------------------------- */

.facts {
  max-width: 60rem;
  margin: 6.5rem auto 0;
  padding: 0 1.25rem;
  border-top: 1px solid var(--outline-variant);
}

.fact {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 1.35rem;
  padding: 1.85rem 0;
  border-bottom: 1px solid var(--outline-variant);
}

.fact__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--primary-container);
  color: var(--on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.fact h3 {
  font-size: 1.02rem;
}

.fact p {
  margin-top: 0.4rem;
  color: var(--on-surface-variant);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 56ch;
}

@media (max-width: 640px) {
  .fact {
    grid-template-columns: 2.35rem 1fr;
    gap: 1rem;
  }
  .fact__icon {
    width: 2.35rem;
    height: 2.35rem;
    font-size: 1.1rem;
  }
}

.section-heading {
  max-width: 74rem;
  margin: 6rem auto 1.75rem;
  padding: 0 1.25rem;
  text-align: center;
}
.section-heading h2 {
  font-size: clamp(1.4rem, 3vw, 1.75rem);
}
.section-heading p {
  margin-top: 0.6rem;
  color: var(--on-surface-variant);
  max-width: 46ch;
  margin-left: auto;
  margin-right: auto;
}

/* ---------------------------------------------------------------- */
/* Contact band                                                      */
/* ---------------------------------------------------------------- */

.contact-band {
  max-width: 74rem;
  margin: 6rem auto 0;
  padding: 0 1.25rem;
}
.contact-band__card {
  background: var(--on-surface);
  border-radius: var(--radius-xl);
  padding: clamp(2.25rem, 5vw, 3.25rem);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  color: #fff;
}
.contact-band h2 {
  font-size: clamp(1.35rem, 3vw, 1.7rem);
}
.contact-band p {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
  max-width: 40ch;
}
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.contact-list a,
.contact-list span {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
}
.contact-list .icon {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.12);
  padding: 0.5rem;
  flex-shrink: 0;
}
.contact-list a:hover {
  color: var(--primary-light);
}

@media (max-width: 720px) {
  .contact-band__card {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------------- */
/* Legal document pages                                              */
/* ---------------------------------------------------------------- */

.doc-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  padding: 2.75rem 1.25rem 2.25rem;
}
.doc-hero__inner {
  max-width: 74rem;
  margin: 0 auto;
}
.doc-hero .eyebrow-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--primary-container);
  color: var(--on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}
.doc-hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.35rem);
}
.doc-hero__updated {
  margin-top: 0.65rem;
  color: var(--on-surface-variant);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.doc-layout {
  max-width: 74rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
  display: grid;
  grid-template-columns: 15.5rem minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}
.doc-toc h2 {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-surface-variant);
  margin-bottom: 0.9rem;
}
.doc-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--outline-variant);
  display: flex;
  flex-direction: column;
}
.doc-toc a {
  display: block;
  padding: 0.42rem 0 0.42rem 1rem;
  margin-left: -2px;
  border-left: 2px solid transparent;
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.87rem;
  line-height: 1.4;
  transition: color 160ms ease, border-color 160ms ease;
}
.doc-toc a:hover {
  color: var(--on-surface);
}
.doc-toc a[aria-current='true'] {
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}

.doc-body {
  max-width: var(--content-measure);
}

.doc-intro {
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--on-surface-variant);
  padding-bottom: 2.25rem;
  border-bottom: 1px solid var(--outline-variant);
}

.doc-section {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--outline-variant);
  scroll-margin-top: calc(var(--header-h) + 1.25rem);
}
.doc-section:last-of-type {
  border-bottom: none;
}

.doc-section h2 {
  font-size: 1.24rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.doc-section h2 .num {
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.doc-section h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
}

.doc-section p {
  margin-top: 0.9rem;
  line-height: 1.75;
  color: #2b3348;
}

.doc-section ul,
.doc-section ol.plain {
  margin: 0.9rem 0 0;
  padding-left: 1.35rem;
  line-height: 1.75;
  color: #2b3348;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.doc-section strong {
  color: var(--on-surface);
}

.callout {
  margin-top: 1.5rem;
  background: var(--surface-container);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}
.callout .icon {
  color: var(--primary);
  font-size: 1.15rem;
  margin-top: 0.15rem;
}
.callout--warm {
  background: var(--accent-container);
}
.callout--warm .icon {
  color: var(--accent);
}
.callout p {
  margin-top: 0 !important;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--on-surface);
}

.doc-contact {
  margin-top: 2.5rem;
  background: var(--on-surface);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 2.25rem;
}
.doc-contact h2 {
  font-size: 1.2rem;
  color: #fff;
}
.doc-contact p {
  margin-top: 0.6rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
}
.doc-contact .contact-list {
  margin-top: 1.35rem;
}

.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-md);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 30;
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  border-color: var(--primary);
}

@media (max-width: 900px) {
  .doc-layout {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .doc-toc {
    position: static;
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.1rem 1.1rem;
  }
  .doc-toc ol {
    border-left: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .doc-toc a {
    padding: 0.35rem 0.7rem;
    margin-left: 0;
    border: 1px solid var(--outline-variant);
    border-radius: 999px;
  }
  .doc-toc a[aria-current='true'] {
    border-color: var(--primary);
    background: var(--primary-container);
  }
}

@media (max-width: 640px) {
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--surface);
    border-bottom: 1px solid var(--outline-variant);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.25rem 1.25rem;
    gap: 0.15rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav a {
    padding: 0.7rem 0.6rem;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--outline-variant);
    background: var(--surface);
    color: var(--on-surface);
  }
}