/* =====================================================
   NKOSOO — Stylesheet
   Component architecture shared with crevioncommons.com's global
   stylesheet (same tokens, same class names); palette and type
   retuned to Nkosoo's own visual identity (forest / gold / cream,
   Sora + Fraunces) per ai_specs/visual_language_gap.md.
   ===================================================== */

/* ===================
   1. CSS Custom Properties (Global UI Tokens)
   =================== */
:root {
  /* Primary Colors — Nkosoo palette */
  --nkosoo-forest: #1D4B39;
  --nkosoo-palm: #37785C;
  --nkosoo-gold: #B28E44;
  --nkosoo-ink: #1E352B;
  --nkosoo-paper: #F7F2E7;
  --nkosoo-ink-muted: #4C6156;

  /* Derived Colors */
  --nkosoo-forest-hover: #123227;
  --nkosoo-gold-hover: #8F6F2F;
  --nkosoo-error-red: #A94442;
  --nkosoo-border-light: #E6DFCD;
  --nkosoo-input-border: #D8CFB6;
  --nkosoo-disabled-bg: #EFE9DA;
  --nkosoo-card: #FFFDF8;

  /* Typography */
  --font-primary: 'Sora', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

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

  /* Border Radius — rounder than the parent site, true to the app's own shape language */
  --radius-sm: 8px;
  --radius-md: 11px;
  --radius-lg: 16px;

  /* Transitions */
  --transition-fast: 200ms ease-out;
  --transition-medium: 300ms ease-out;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1rem;
}

/* ===================
   2. CSS Reset & Base Styles
   =================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--nkosoo-ink);
  background-color: var(--nkosoo-paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--nkosoo-forest);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--nkosoo-palm);
}

ul, ol {
  list-style: none;
}

/* ===================
   3. Typography
   =================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.2px;
  color: var(--nkosoo-ink);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  color: var(--nkosoo-ink-muted);
}

.text-highlight {
  color: var(--nkosoo-forest);
  font-weight: var(--font-weight-semibold);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--nkosoo-gold);
  margin-bottom: var(--space-md);
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background-color: var(--nkosoo-gold);
  display: inline-block;
}

/* ===================
   4. Layout & Container
   =================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--dark {
  background-color: var(--nkosoo-forest);
  color: var(--nkosoo-paper);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--nkosoo-paper);
}

.section--dark p {
  color: rgba(247, 242, 231, 0.85);
}

.section--narrow .container {
  max-width: 760px;
}

main {
  flex: 1;
}

/* ===================
   5. Navigation
   =================== */
.header {
  background-color: var(--nkosoo-forest);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(18, 50, 39, 0.25);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--container-padding);
  max-width: var(--container-max);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: transform 200ms ease;
}

.header__logo:hover {
  transform: scale(1.03);
}

.header__logo img {
  height: 44px;
  width: 44px;
  border-radius: var(--radius-md);
}

.header__logo-text {
  color: var(--nkosoo-paper);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.2px;
}

.nav {
  display: none;
}

.nav--active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--nkosoo-forest);
  padding: var(--space-md);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav__link {
  color: var(--nkosoo-paper);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  display: block;
  font-weight: var(--font-weight-medium);
}

.nav__link:hover,
.nav__link--active {
  background-color: rgba(178, 142, 68, 0.18);
  color: var(--nkosoo-gold);
}

.nav__link--active {
  color: var(--nkosoo-gold);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.menu-toggle__bar {
  width: 25px;
  height: 3px;
  background-color: var(--nkosoo-paper);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle--active .menu-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle--active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle--active .menu-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .nav__list {
    flex-direction: row;
    gap: var(--space-xs);
  }

  .menu-toggle {
    display: none;
  }
}

/* ===================
   6. Buttons
   =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn--primary {
  background-color: var(--nkosoo-forest);
  color: var(--nkosoo-paper);
  border-color: var(--nkosoo-forest);
}

.btn--primary:hover {
  background-color: var(--nkosoo-forest-hover);
  border-color: var(--nkosoo-forest-hover);
  color: var(--nkosoo-paper);
}

.btn--primary:disabled {
  background-color: var(--nkosoo-ink-muted);
  border-color: var(--nkosoo-ink-muted);
  cursor: not-allowed;
}

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

.btn--secondary:hover {
  background-color: rgba(29, 75, 57, 0.08);
  color: var(--nkosoo-forest);
}

.btn--accent {
  background-color: var(--nkosoo-gold);
  color: #ffffff;
  border-color: var(--nkosoo-gold);
}

.btn--accent:hover {
  background-color: var(--nkosoo-gold-hover);
  border-color: var(--nkosoo-gold-hover);
  color: #ffffff;
}

.section--dark .btn--secondary {
  color: var(--nkosoo-paper);
  border-color: var(--nkosoo-paper);
}

.section--dark .btn--secondary:hover {
  background-color: rgba(247, 242, 231, 0.1);
  color: var(--nkosoo-paper);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* ===================
   7. Cards
   =================== */
.card {
  background-color: var(--nkosoo-card);
  border: 1px solid var(--nkosoo-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-medium), border-color var(--transition-medium);
}

.card:hover {
  box-shadow: 0 10px 30px rgba(20, 35, 28, 0.12);
  border-top: 2px solid var(--nkosoo-gold);
}

.card__icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background-color: rgba(178, 142, 68, 0.14);
  color: var(--nkosoo-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}

.card__title {
  color: var(--nkosoo-ink);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--nkosoo-ink-muted);
  margin-bottom: 0;
}

.card--dark {
  background-color: var(--nkosoo-forest);
  border-color: var(--nkosoo-forest);
}

.card--dark .card__title {
  color: var(--nkosoo-paper);
}

.card--dark .card__text {
  color: rgba(247, 242, 231, 0.85);
}

.card-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===================
   8. Hero Section
   =================== */
.hero {
  position: relative;
  min-height: 76vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(900px 560px at 85% -10%, rgba(178, 142, 68, 0.18), transparent 60%),
    radial-gradient(1000px 700px at 15% 0%, rgba(55, 120, 92, 0.35), transparent 65%),
    var(--nkosoo-forest);
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero__headline {
  color: var(--nkosoo-paper);
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-md);
}

.hero__headline em {
  font-style: italic;
  color: var(--nkosoo-gold);
}

.hero__subheadline {
  color: rgba(247, 242, 231, 0.88);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: var(--font-weight-normal);
  margin-bottom: var(--space-xl);
  max-width: 640px;
}

.hero .btn--secondary {
  background-color: rgba(247, 242, 231, 0.1);
  color: var(--nkosoo-paper);
  border: 2px solid var(--nkosoo-paper);
  backdrop-filter: blur(4px);
}

.hero .btn--secondary:hover {
  background-color: rgba(247, 242, 231, 0.22);
  color: var(--nkosoo-paper);
}

/* Kente thread — the app's signature woven accent, used once per page as a divider */
.kente {
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--nkosoo-gold) 0 22px,
    var(--nkosoo-forest) 22px 34px,
    var(--nkosoo-gold) 34px 40px,
    #A9543A 40px 58px,
    var(--nkosoo-forest-hover) 58px 62px,
    var(--nkosoo-gold) 62px 84px,
    var(--nkosoo-palm) 84px 102px,
    var(--nkosoo-forest-hover) 102px 106px
  );
  opacity: 0.85;
}

/* ===================
   9. Forms & Inputs
   =================== */
.form {
  max-width: 600px;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  color: var(--nkosoo-ink);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-xs);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--nkosoo-ink);
  background-color: #ffffff;
  border: 1.5px solid var(--nkosoo-input-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: #9aa9a1;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--nkosoo-forest);
  box-shadow: 0 0 0 3px rgba(29, 75, 57, 0.12);
}

.form__input--error,
.form__textarea--error {
  border-color: var(--nkosoo-error-red);
}

.form__input:disabled,
.form__textarea:disabled {
  background-color: var(--nkosoo-disabled-bg);
  cursor: not-allowed;
}

.form__error {
  color: var(--nkosoo-error-red);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.form__error--visible {
  display: block;
}

.form__hint {
  font-size: 0.85rem;
  color: var(--nkosoo-ink-muted);
  margin-top: var(--space-xs);
}

/* ===================
   10. Alerts & Status
   =================== */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.alert--success {
  background-color: rgba(55, 120, 92, 0.12);
  color: var(--nkosoo-palm);
  border: 1px solid var(--nkosoo-palm);
}

.alert--info {
  background-color: rgba(29, 75, 57, 0.08);
  color: var(--nkosoo-forest);
  border: 1px solid var(--nkosoo-forest);
}

.alert--warning {
  background-color: rgba(178, 142, 68, 0.15);
  color: var(--nkosoo-gold-hover);
  border: 1px solid var(--nkosoo-gold);
}

.alert--error {
  background-color: rgba(169, 68, 66, 0.1);
  color: var(--nkosoo-error-red);
  border: 1px solid var(--nkosoo-error-red);
}

/* ===================
   11. Feature Sections
   =================== */
.features {
  display: grid;
  gap: var(--space-xl);
}

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(178, 142, 68, 0.14);
  border-radius: var(--radius-md);
  color: var(--nkosoo-gold);
  font-size: 1.3rem;
}

.feature__title {
  color: var(--nkosoo-ink);
  font-family: var(--font-display);
}

.feature__text {
  color: var(--nkosoo-ink-muted);
}

@media (min-width: 768px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===================
   12. Page Header
   =================== */
.page-header {
  background-color: var(--nkosoo-forest);
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.page-header__content {
  position: relative;
  z-index: 2;
}

.page-header__title {
  color: var(--nkosoo-paper);
  margin-bottom: var(--space-sm);
}

.page-header__subtitle {
  color: rgba(247, 242, 231, 0.85);
  font-size: 1.15rem;
  max-width: 640px;
}

/* ===================
   13. Content Sections
   =================== */
.content-block {
  margin-bottom: var(--space-2xl);
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block__title {
  color: var(--nkosoo-forest);
  margin-bottom: var(--space-md);
}

.content-block__lead {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--nkosoo-ink);
}

.legal-doc {
  max-width: 760px;
}

.legal-doc h2 {
  color: var(--nkosoo-forest);
  margin-top: var(--space-2xl);
}

.legal-doc h3 {
  margin-top: var(--space-xl);
}

.legal-doc hr {
  border: none;
  border-top: 1px solid var(--nkosoo-border-light);
  margin: var(--space-xl) 0;
}

.legal-doc a {
  text-decoration: underline;
  text-decoration-color: var(--nkosoo-border-light);
}

.legal-doc strong {
  color: var(--nkosoo-ink);
}

.legal-note {
  background-color: var(--nkosoo-card);
  border: 1px solid var(--nkosoo-border-light);
  border-left: 4px solid var(--nkosoo-gold);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.legal-note p:last-child {
  margin-bottom: 0;
}

.legal-updated {
  color: var(--nkosoo-ink-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-2xl);
}

/* Fill-in-later legal placeholders — visibly flagged, never silently invented */
.tbd {
  background-color: rgba(178, 142, 68, 0.18);
  color: var(--nkosoo-gold-hover);
  padding: 0.05em 0.4em;
  border-radius: 4px;
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

/* List Styles */
.list {
  margin: var(--space-md) 0;
}

.list__item {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--nkosoo-ink-muted);
}

.list__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background-color: var(--nkosoo-gold);
  border-radius: 50%;
}

.list__item strong {
  color: var(--nkosoo-ink);
}

.list--numbered {
  counter-reset: list-counter;
}

.list--numbered .list__item {
  padding-left: var(--space-2xl);
}

.list--numbered .list__item::before {
  content: counter(list-counter);
  counter-increment: list-counter;
  width: 28px;
  height: 28px;
  background-color: var(--nkosoo-forest);
  color: var(--nkosoo-paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  top: 0;
}

/* Tables (privacy policy retention/sharing tables) */
.table-wrap {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border: 1px solid var(--nkosoo-border-light);
  border-radius: var(--radius-md);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background-color: var(--nkosoo-card);
}

.table caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: var(--font-weight-semibold);
}

.table th,
.table td {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--nkosoo-border-light);
  vertical-align: top;
}

.table th {
  background-color: var(--nkosoo-disabled-bg);
  color: var(--nkosoo-ink);
  font-weight: var(--font-weight-semibold);
}

.table tr:last-child td {
  border-bottom: none;
}

/* ===================
   14. Footer
   =================== */
.footer {
  background-color: var(--nkosoo-ink);
  color: var(--nkosoo-paper);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: auto;
}

.footer__content {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer__logo img {
  height: 56px;
  width: 56px;
  border-radius: var(--radius-md);
}

.footer__brand-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: var(--font-weight-semibold);
  color: var(--nkosoo-paper);
}

.footer__tagline {
  color: rgba(247, 242, 231, 0.6);
  font-size: 0.875rem;
  max-width: 32ch;
}

.footer__nav-title {
  color: var(--nkosoo-paper);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__nav-link {
  color: rgba(247, 242, 231, 0.7);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer__nav-link:hover {
  color: var(--nkosoo-gold);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(247, 242, 231, 0.1);
  text-align: center;
}

.footer__copyright {
  color: rgba(247, 242, 231, 0.5);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* ===================
   15. Utilities
   =================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

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

/* ===================
   16. Accessibility
   =================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

:focus-visible {
  outline: 2px solid var(--nkosoo-gold);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--nkosoo-forest);
  color: var(--nkosoo-paper);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}