/* ═══════════════════════════════════════
   Juneja Foundation — Design Tokens
   Art Direction: Warm nonprofit, credible,
   Indian heritage, earthy + forward-looking
   ═══════════════════════════════════════ */

:root {
  /* ── Type Scale (fluid clamp) ── */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* ── 4px Spacing ── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ── Fonts ── */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;

  /* ── Radius ── */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* ── Transitions ── */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* ── Content widths ── */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ═══════════════════════════════════════
   LIGHT MODE — Warm cream + saffron
   ═══════════════════════════════════════ */
:root, [data-theme="light"] {
  --color-bg:             #faf8f4;
  --color-surface:        #fdfcf9;
  --color-surface-2:      #f5f2ec;
  --color-surface-offset: #f0ece4;
  --color-surface-dynamic: #e8e3d9;
  --color-divider:        #ddd8cd;
  --color-border:         #d0c9bc;

  --color-text:           #2a2520;
  --color-text-muted:     #7a7267;
  --color-text-faint:     #b5ada2;
  --color-text-inverse:   #faf8f4;

  /* Primary — deep saffron/amber */
  --color-primary:        #c2712c;
  --color-primary-hover:  #a85e22;
  --color-primary-active: #8d4e1b;
  --color-primary-light:  #f5e6d5;

  /* Secondary — deep forest green */
  --color-secondary:      #2d6b4f;
  --color-secondary-hover: #225940;
  --color-secondary-light: #e0ede6;

  /* Accent — warm indigo for NextGen AI */
  --color-accent:         #4a5899;
  --color-accent-hover:   #3d4a82;
  --color-accent-light:   #e4e7f2;

  --color-success:        #437a22;
  --color-error:          #b43030;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 60 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.02 60 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.02 60 / 0.12);
}

/* ═══════════════════════════════════════
   DARK MODE
   ═══════════════════════════════════════ */
[data-theme="dark"] {
  --color-bg:             #1a1816;
  --color-surface:        #211f1c;
  --color-surface-2:      #2a2724;
  --color-surface-offset: #252320;
  --color-surface-dynamic: #33302c;
  --color-divider:        #3a3733;
  --color-border:         #4a4640;

  --color-text:           #e8e4de;
  --color-text-muted:     #9e978e;
  --color-text-faint:     #6b655d;
  --color-text-inverse:   #1a1816;

  --color-primary:        #e09555;
  --color-primary-hover:  #c97e3f;
  --color-primary-active: #b06e33;
  --color-primary-light:  #3a2e22;

  --color-secondary:      #5aad83;
  --color-secondary-hover: #4a9470;
  --color-secondary-light: #1f2f27;

  --color-accent:         #8090cc;
  --color-accent-hover:   #6b7db8;
  --color-accent-light:   #272a38;

  --color-success:        #6daa45;
  --color-error:          #dd6964;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #1a1816;
    --color-surface:        #211f1c;
    --color-surface-2:      #2a2724;
    --color-surface-offset: #252320;
    --color-surface-dynamic: #33302c;
    --color-divider:        #3a3733;
    --color-border:         #4a4640;
    --color-text:           #e8e4de;
    --color-text-muted:     #9e978e;
    --color-text-faint:     #6b655d;
    --color-text-inverse:   #1a1816;
    --color-primary:        #e09555;
    --color-primary-hover:  #c97e3f;
    --color-primary-active: #b06e33;
    --color-primary-light:  #3a2e22;
    --color-secondary:      #5aad83;
    --color-secondary-hover: #4a9470;
    --color-secondary-light: #1f2f27;
    --color-accent:         #8090cc;
    --color-accent-hover:   #6b7db8;
    --color-accent-light:   #272a38;
    --color-success:        #6daa45;
    --color-error:          #dd6964;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ═══════════════════════════════════════
   GLOBAL STYLES
   ═══════════════════════════════════════ */

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100;
  font-size: var(--text-sm);
}
.skip-link:focus { top: var(--space-2); }

/* ── Container ── */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

.container--narrow { max-width: var(--content-default); }

/* ── Section Spacing ── */
.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}
.section--tight {
  padding-block: clamp(var(--space-8), 4vw, var(--space-16));
}

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.header__logo svg { width: 36px; height: 36px; }

/* Desktop Nav */
.header__nav { display: none; }
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
}
.header__nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
}
.header__nav a:hover { color: var(--color-text); background: var(--color-surface-2); }
.header__nav a.active { color: var(--color-text); font-weight: 500; }

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Mobile menu toggle */
.header__menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.header__menu-btn:hover { background: var(--color-surface-2); }
@media (min-width: 1024px) {
  .header__menu-btn { display: none; }
}

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: var(--color-bg);
  padding: var(--space-16) var(--space-6) var(--space-6);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; flex-direction: column; }
.mobile-nav__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.mobile-nav a {
  display: block;
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-lg);
  font-family: var(--font-display);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav__donate {
  margin-top: var(--space-6);
}

/* ── Theme Toggle ── */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.btn:active { transform: translateY(1px); }

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

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
}
.btn--secondary:hover { background: var(--color-secondary-hover); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary-light); }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
}
.btn--ghost:hover { background: var(--color-surface-2); }

.btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

/* ── Section Headings ── */
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.7;
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
}
.card--hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: oklch(from var(--color-text) l c h / 0.14);
}
.card--hover:active { transform: translateY(0); }

.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.card__icon--secondary {
  color: var(--color-secondary);
  background: var(--color-secondary-light);
}
.card__icon--accent {
  color: var(--color-accent);
  background: var(--color-accent-light);
}
.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Grid Layouts ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Section Images ── */
.section-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.section-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9;
}
.section-image--tall img {
  aspect-ratio: 3 / 4;
}

/* ── Footer ── */
.footer {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-12); }
}
.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-top: var(--space-3);
  max-width: 36ch;
}
.footer__heading {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.footer__links {
  list-style: none;
  padding: 0;
}
.footer__links li { margin-bottom: var(--space-2); }
.footer__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer__links a:hover { color: var(--color-text); }
.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__bottom a {
  color: var(--color-text-faint);
  text-decoration: none;
}
.footer__bottom a:hover { color: var(--color-text-muted); }
.footer__legal {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
  font-size: var(--text-xs);
  margin-top: var(--space-3);
}
.footer__legal a { color: var(--color-text-faint); text-decoration: none; }
.footer__legal a:hover { color: var(--color-text-muted); }
.footer__legal-sep { color: var(--color-text-faint); opacity: 0.5; }

/* ── Legal Pages ── */
.legal-page { padding-top: 80px; }
.legal-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-16);
}
.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-sm);
}
.legal-back:hover { opacity: 0.8; }
.legal-header { margin-bottom: var(--space-8); }
.legal-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.legal-header .legal-updated { color: var(--color-text-muted); font-size: var(--text-sm); }
.legal-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin: var(--space-8) 0 var(--space-3);
  color: var(--color-text);
}
.legal-content p { margin-bottom: var(--space-4); line-height: 1.7; color: var(--color-text-muted); }
.legal-content ul, .legal-content ol { margin-bottom: var(--space-4); padding-left: var(--space-6); }
.legal-content li { margin-bottom: var(--space-2); line-height: 1.6; color: var(--color-text-muted); }
.legal-content a { color: var(--color-primary); }
.legal-content a:hover { text-decoration: underline; }
.legal-cta {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--space-4);
}
.legal-cta:hover { opacity: 0.9; }

/* ── Hero ── */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  text-align: left;
}
.hero__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  max-width: 18ch;
}
.hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ── Page Hero (interior pages) ── */
.page-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
  background: var(--color-surface-2);
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.page-hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.7;
}

/* ── Stat cards ── */
.stat {
  text-align: center;
  padding: var(--space-4);
}
.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Scroll Reveals ── */
.fade-in { opacity: 1; }

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

/* ── Form ── */
.form-group {
  margin-bottom: var(--space-4);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-base);
  line-height: 1.5;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
  outline: none;
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form__success {
  display: none;
  padding: var(--space-3) var(--space-4);
  background: oklch(from var(--color-success) l c h / 0.1);
  color: var(--color-success);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}
.form__success--visible { display: block; }
.form__error {
  display: none;
  padding: var(--space-3) var(--space-4);
  background: oklch(from var(--color-error) l c h / 0.1);
  color: var(--color-error);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}
.form__error--visible { display: block; }

/* ── Two-Column Section ── */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
}
.split--reverse .split__media { order: -1; }
@media (min-width: 768px) {
  .split--reverse .split__media { order: 1; }
}

/* ── Project Library (NextGen AI) ── */
.project-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.project-tab {
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid transparent;
  cursor: pointer;
}
.project-tab:hover { color: var(--color-text); }
.project-tab.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-color: oklch(from var(--color-primary) l c h / 0.2);
  font-weight: 500;
}
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 640px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .project-grid { grid-template-columns: repeat(3, 1fr); }
}
.project-item {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
}

/* ── Timeline ── */
.timeline { position: relative; padding-left: var(--space-6); }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-divider);
}
.timeline__item {
  position: relative;
  margin-bottom: var(--space-6);
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6) + 3px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
}
.timeline__title {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.timeline__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Donate page ── */
.donate-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.donate-option {
  padding: var(--space-3);
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  font-size: var(--text-base);
}
.donate-option:hover { border-color: var(--color-primary); color: var(--color-primary); }
.donate-option.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* ── CTA Banner ── */
.cta-banner {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  text-align: center;
  padding: clamp(var(--space-10), 6vw, var(--space-20)) var(--space-4);
  border-radius: var(--radius-xl);
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-3);
}
.cta-banner p {
  font-size: var(--text-base);
  opacity: 0.9;
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  line-height: 1.65;
}
.cta-banner .btn {
  background: #fff;
  color: var(--color-primary);
}
.cta-banner .btn:hover {
  background: var(--color-surface-2);
}

/* ── Accordion ── */
.accordion-item {
  border-bottom: 1px solid var(--color-divider);
}
.accordion-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}
.accordion-btn svg {
  transition: transform 0.2s var(--ease-out);
  flex-shrink: 0;
  margin-left: var(--space-4);
}
.accordion-item.open .accordion-btn svg { transform: rotate(180deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease-out);
}
.accordion-content__inner {
  padding-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Learning Flywheel ── */
.flywheel {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-block: var(--space-8);
}
.flywheel__step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.flywheel__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  min-width: 100px;
}
.flywheel__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 1.5rem;
}
.flywheel__label {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.flywheel__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 14ch;
  line-height: 1.4;
}
.flywheel__arrow {
  color: var(--color-text-faint);
  flex-shrink: 0;
}
@media (max-width: 639px) {
  .flywheel {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .flywheel__step {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
  }
  .flywheel__arrow { transform: rotate(90deg); }
}

/* ── Journey Cards ── */
.journey-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.journey-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.journey-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  flex-shrink: 0;
}
.journey-card__icon--creator {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.journey-card__icon--builder {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}
.journey-card__icon--entrepreneur {
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.journey-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--color-text);
}
.journey-card__year {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.journey-card__year-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  white-space: nowrap;
  padding-top: 2px;
  min-width: 50px;
}
.journey-card__year-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Credibility Placeholders ── */
.credibility-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .credibility-grid { grid-template-columns: repeat(2, 1fr); }
}
.credibility-slot {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.credibility-slot__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-faint);
}
.credibility-slot__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text-muted);
}
.credibility-slot__text {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  max-width: 32ch;
  line-height: 1.5;
}

/* ── Expert Types Grid ── */
.expert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .expert-grid { grid-template-columns: repeat(3, 1fr); }
}
.expert-card {
  text-align: center;
  padding: var(--space-6);
}
.expert-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
}
.expert-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.expert-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Transformation List ── */
.transform-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 768px) {
  .transform-list { grid-template-columns: repeat(2, 1fr); }
}
.transform-list li {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.transform-list svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Parent engagement list ── */
.parent-list {
  list-style: none;
  padding: 0;
}
.parent-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-bottom: var(--space-4);
}
.parent-list__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  flex-shrink: 0;
}
.parent-list__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.parent-list__text strong {
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-1);
}