/* ==========================================================================
   PEDALS & PAGES — DESIGN SYSTEM
   Strict 8pt spacing · Disciplined palette · No vibe-coding
   ========================================================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors – exact palette, no additions */
  --color-primary:       #1F3D2B; /* Deep Forest Green */
  --color-secondary:     #1E293B; /* Slate Navy */
  --color-accent:        #C7A75B; /* Soft Gold – sparingly */
  --color-bg:            #F7F6F2; /* Warm Off-White */
  --color-border:        #E5E7EB; /* Light Stone Gray */
  --color-text:          #111827; /* Charcoal */
  --color-text-muted:    #4B5563; /* Muted Gray */
  --color-white:         #FFFFFF;

  /* Typography */
  --font-heading: 'Source Serif 4', 'Georgia', serif;
  --font-body:    'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Type scale (major third – 1.25) */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */
  --text-5xl:  3rem;      /* 48px */

  /* Spacing – strict 8pt grid */
  --space-1:  0.25rem;  /*  4px */
  --space-2:  0.5rem;   /*  8px */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.5rem;   /* 24px */
  --space-6:  2rem;     /* 32px */
  --space-7:  2.5rem;   /* 40px */
  --space-8:  3rem;     /* 48px */
  --space-9:  4rem;     /* 64px */
  --space-10: 5rem;     /* 80px */
  --space-11: 6rem;     /* 96px */
  --space-12: 8rem;     /* 128px */

  /* Layout */
  --max-width: 72rem;   /* 1152px */
  --max-width-narrow: 48rem; /* 768px */

  /* Borders – one consistent radius */
  --radius: 4px;

  /* Shadow – one elevation only */
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);

  /* Transitions – subtle, purpose-driven */
  --transition: 150ms ease-in-out;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%; /* 16px base */
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img.lazy-image {
  opacity: 0;
  transition: opacity 300ms ease;
  background-color: var(--color-border);
}

img.lazy-image.is-loaded {
  opacity: 1;
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
  background-color: var(--color-border);
}

.image-hero {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: var(--space-6);
  background-color: var(--color-border);
}

.image-story {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: var(--space-6);
  background-color: var(--color-border);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-secondary);
}

ul, ol {
  list-style-position: outside;
  padding-left: var(--space-5);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: var(--text-4xl); margin-bottom: var(--space-5); }
h2 { font-size: var(--text-3xl); margin-bottom: var(--space-5); }
h3 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
h4 { font-size: var(--text-xl);  margin-bottom: var(--space-3); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

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

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

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

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section--lg {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--dark {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.8);
}

.section--green {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--green h1,
.section--green h2,
.section--green h3,
.section--green h4 {
  color: var(--color-white);
}

.section--green p {
  color: rgba(255, 255, 255, 0.8);
}

.section--white {
  background-color: var(--color-white);
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-5);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: #16301F;
  border-color: #16301F;
  color: var(--color-white);
}

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

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: #b8963f;
  border-color: #b8963f;
  color: var(--color-text);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: var(--color-bg);
  border-color: var(--color-bg);
  color: var(--color-primary);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* --- Cards --- */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
}

.card h3 {
  color: var(--color-primary);
}

.card--image-placeholder {
  background-color: var(--color-border);
  border-radius: var(--radius);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-4);
}

/* --- Header / Navigation --- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.site-header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header__logo:hover {
  color: var(--color-primary);
}

.site-nav {
  display: none;
}

.site-nav__list {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-primary);
}

.site-nav__cta {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}

/* Mobile hamburger */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  width: 40px;
  height: 40px;
}

.nav-toggle__icon {
  display: block;
  position: relative;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: background-color var(--transition);
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: '';
  display: block;
  position: absolute;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition);
}

.nav-toggle__icon::before { top: -6px; }
.nav-toggle__icon::after  { top:  6px; }

/* Mobile nav open state */
.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile menu */
.mobile-nav {
  display: none;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-5) var(--space-6);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav__list li {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__list li:last-child {
  border-bottom: none;
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  color: var(--color-primary);
}

.mobile-nav__cta {
  display: inline-block;
  margin-top: var(--space-4);
}

@media (min-width: 960px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-5);
  }

  .nav-toggle {
    display: none;
  }
}

/* --- Hero --- */
.hero {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.hero--home {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-top: var(--space-11);
  padding-bottom: var(--space-11);
}

.hero--home h1 {
  color: var(--color-white);
  font-size: var(--text-4xl);
  max-width: 36rem;
}

.hero--home .hero__subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  max-width: 40rem;
  margin-bottom: var(--space-4);
}

.hero--home .hero__body {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-base);
  max-width: 40rem;
}

.hero--page {
  background-color: var(--color-secondary);
  color: var(--color-white);
  text-align: center;
}

.hero--page h1 {
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.hero--page p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 640px) {
  .hero--home h1 {
    font-size: var(--text-5xl);
  }

  .hero--home .hero__subtitle {
    font-size: var(--text-xl);
  }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

/* --- Program Detail Sections --- */
.program-block {
  padding-top: var(--space-9);
  padding-bottom: var(--space-9);
  border-bottom: 1px solid var(--color-border);
}

.program-block:last-of-type {
  border-bottom: none;
}

.program-block__content {
  max-width: var(--max-width-narrow);
}

.program-block__content h2 {
  color: var(--color-primary);
}

.program-block__content h3 {
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.program-block__content ul {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.program-block__content li {
  margin-bottom: var(--space-2);
}

/* --- Story Timeline --- */
.story-content {
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
}

.story-content h2 {
  color: var(--color-primary);
  margin-top: var(--space-8);
}

.story-content h2:first-child {
  margin-top: 0;
}

/* --- Transparency --- */
.transparency-list {
  list-style: none;
  padding: 0;
}

.transparency-list li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

.transparency-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* --- Involvement Cards --- */
.involve-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
  border-top: 3px solid var(--color-primary);
}

.involve-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

/* --- Contact Form --- */
.contact-form {
  max-width: 36rem;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(31, 61, 43, 0.15);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

.form-status {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  font-size: var(--text-sm);
}

.form-status--success {
  display: block;
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status--error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-secondary);
  color: rgba(255, 255, 255, 0.65);
  padding-top: var(--space-9);
  padding-bottom: var(--space-6);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition);
}

.site-footer a:hover {
  color: var(--color-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

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

.footer-brand__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  max-width: 20rem;
}

.footer-nav__heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav__list li {
  margin-bottom: var(--space-2);
}

.footer-nav__list a {
  font-size: var(--text-sm);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--space-2);
}

/* --- Image Placeholders --- */
.image-placeholder {
  background-color: var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-4);
}

.image-placeholder--hero {
  height: 320px;
}

.image-placeholder--card {
  height: 200px;
  margin-bottom: var(--space-5);
}

.image-placeholder--story {
  height: 280px;
  margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
  .image-placeholder--hero {
    height: 400px;
  }
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: var(--space-3);
}

.cta-banner p {
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

/* --- Responsive adjustments --- */
@media (min-width: 640px) {
  h1 { font-size: var(--text-5xl); }
  .section { padding-top: var(--space-11); padding-bottom: var(--space-11); }
}

/* --- Skip link (a11y) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  z-index: 200;
  text-decoration: none;
  font-size: var(--text-sm);
}

.skip-link:focus {
  top: var(--space-2);
}