/* ============================================================
   Woodfield Foundation — Design System
   Warm modern editorial. Forest-derived palette.
   Display: Fraunces (serif). Body: Inter (sans-serif).
============================================================ */

:root, [data-theme='light'] {
  /* Type scale (fluid) */
  --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);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 7rem);

  /* 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;

  /* Surfaces (warm cream → moss undertone) */
  --color-bg:               #f6f2e9;
  --color-surface:          #fbf8f0;
  --color-surface-2:        #ffffff;
  --color-surface-offset:   #efeadd;
  --color-surface-offset-2: #e6dfce;
  --color-surface-dynamic:  #d9d1bc;
  --color-divider:          #d4cbb4;
  --color-border:           #c4b99e;

  /* Text (deep ink with brown warmth) */
  --color-text:         #20251e;
  --color-text-muted:   #5a5e51;
  --color-text-faint:   #9a9b8d;
  --color-text-inverse: #faf6ec;

  /* Primary — Deep forest (matches logo) */
  --color-primary:           #1f3a30;
  --color-primary-hover:     #163027;
  --color-primary-active:    #0e251e;
  --color-primary-highlight: #c6d3c9;

  /* Secondary — Sage/teal from logo leaves */
  --color-secondary:         #5e8a87;
  --color-secondary-soft:    #a8c1b8;

  /* Accent — Amber (golden hour) */
  --color-accent:           #b27a2a;
  --color-accent-hover:     #97651f;
  --color-accent-highlight: #ead7b4;

  /* Status (subdued) */
  --color-error:   #8a3a3a;
  --color-success: #437a22;

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

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 90 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 90 / 0.10);
  --shadow-lg: 0 20px 60px oklch(0.2 0.02 90 / 0.14);

  /* Widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Fonts */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg:               #14160f;
  --color-surface:          #1a1d15;
  --color-surface-2:        #20231a;
  --color-surface-offset:   #1d2018;
  --color-surface-offset-2: #262a1f;
  --color-surface-dynamic:  #2f3326;
  --color-divider:          #2b2f24;
  --color-border:           #3a4030;

  --color-text:         #e5e1d2;
  --color-text-muted:   #989684;
  --color-text-faint:   #66664e;
  --color-text-inverse: #14160f;

  --color-primary:           #7ba686;
  --color-primary-hover:     #92b89c;
  --color-primary-active:    #a8c8b1;
  --color-primary-highlight: #2c3a2f;

  --color-accent:           #d4a25c;
  --color-accent-hover:     #e0b378;
  --color-accent-highlight: #3a2e1a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 60px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #14160f;
    --color-surface:          #1a1d15;
    --color-surface-2:        #20231a;
    --color-surface-offset:   #1d2018;
    --color-surface-offset-2: #262a1f;
    --color-surface-dynamic:  #2f3326;
    --color-divider:          #2b2f24;
    --color-border:           #3a4030;
    --color-text:         #e5e1d2;
    --color-text-muted:   #989684;
    --color-text-faint:   #66664e;
    --color-text-inverse: #14160f;
    --color-primary:           #7ba686;
    --color-primary-hover:     #92b89c;
    --color-primary-active:    #a8c8b1;
    --color-primary-highlight: #2c3a2f;
    --color-accent:           #d4a25c;
    --color-accent-hover:     #e0b378;
    --color-accent-highlight: #3a2e1a;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 20px 60px oklch(0 0 0 / 0.5);
  }
}

/* ============================================================
   Layout primitives
============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--color-border);
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.02em; }
.display { font-family: var(--font-display); font-weight: 400; font-style: italic; }
strong { font-weight: 600; }

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.55;
}

/* ============================================================
   Header
============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in oklab, var(--color-border) 50%, transparent);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--space-16);
  gap: var(--space-6);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand__mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}
.brand__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.005em;
  font-weight: 500;
  color: var(--color-text);
}
.brand__sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 2.5vw, var(--space-8));
}
.nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover { color: var(--color-text); }

.icon-btn {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.icon-btn:hover { color: var(--color-text); background: var(--color-surface-offset); }

@media (max-width: 720px) {
  .nav { display: none; }
}

/* ============================================================
   Hero
============================================================ */
.hero {
  position: relative;
  min-height: clamp(560px, 80vh, 800px);
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}
.hero__img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg,
      color-mix(in oklab, #14160f 35%, transparent) 0%,
      color-mix(in oklab, #14160f 18%, transparent) 30%,
      color-mix(in oklab, #14160f 65%, transparent) 100%);
}
.hero__inner {
  width: 100%;
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.hero h1 {
  color: #faf6ec;
  font-size: var(--text-hero);
  line-height: 1.05;
  font-weight: 400;
  max-width: 18ch;
  text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}
.hero h1 em {
  font-style: italic;
  color: #e9d3a4;
  font-weight: 400;
}
.hero__tagline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: #e9d3a4;
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero__tagline::before {
  content: '';
  width: 36px; height: 1px;
  background: #e9d3a4;
}

/* ============================================================
   Mission strip
============================================================ */
.mission {
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-border);
}
.mission__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
.mission__grid > h2 {
  font-size: var(--text-xl);
  color: var(--color-text);
}
.mission__grid p {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text);
}
.mission__grid p + p { margin-top: var(--space-4); color: var(--color-text-muted); font-size: var(--text-base); }

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

/* ============================================================
   Beliefs grid
============================================================ */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 60ch;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head h2 {
  font-size: var(--text-2xl);
  line-height: 1.1;
}

.beliefs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.belief {
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.belief__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.belief h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.belief p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   Focus areas (editorial alternating)
============================================================ */
.focus-wrap {
  background: var(--color-surface);
  border-block: 1px solid color-mix(in oklab, var(--color-border) 50%, transparent);
}
.focus-list {
  display: grid;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
}
.focus-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-6), 4vw, var(--space-16));
  align-items: center;
}
.focus-item:nth-child(even) > .focus-item__media { order: 2; }
.focus-item__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-surface-offset);
}
.focus-item__media img { width: 100%; height: 100%; object-fit: cover; }
.focus-item__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-accent);
}
.focus-item h3 {
  font-size: var(--text-xl);
  margin-block: var(--space-3) var(--space-4);
}
.focus-item p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.focus-item ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-6);
  list-style: none;
  padding: 0;
}
.focus-item li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.focus-item li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.65em;
  width: 10px; height: 1px;
  background: var(--color-primary);
}

@media (max-width: 820px) {
  .focus-item { grid-template-columns: 1fr; }
  .focus-item:nth-child(even) > .focus-item__media { order: -1; }
  .focus-item ul { grid-template-columns: 1fr; }
}

/* ============================================================
   Approach (split with portrait image)
============================================================ */
.approach {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.approach__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
}
.approach__media img { width: 100%; height: 100%; object-fit: cover; }
.approach h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
}
.approach p { color: var(--color-text-muted); margin-bottom: var(--space-6); }
.approach ul {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  padding: 0;
}
.approach li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  font-size: var(--text-base);
  padding: var(--space-3) 0;
  border-top: 1px solid color-mix(in oklab, var(--color-border) 50%, transparent);
}
.approach li:first-child { border-top: 1px solid var(--color-border); }
.approach li:last-child { border-bottom: 1px solid color-mix(in oklab, var(--color-border) 50%, transparent); }
.approach li b {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
  flex: 0 0 28px;
  font-size: var(--text-base);
}

@media (max-width: 820px) {
  .approach { grid-template-columns: 1fr; }
  .approach__media { aspect-ratio: 16/10; }
}

/* ============================================================
   Story (centered editorial block)
============================================================ */
.story {
  background: var(--color-surface-offset);
  position: relative;
  overflow: hidden;
}
.story__inner { position: relative; z-index: 1; max-width: 720px; margin-inline: auto; text-align: center; }
.story h2 { font-size: var(--text-2xl); margin-bottom: var(--space-6); }
.story p { color: var(--color-text); font-size: var(--text-lg); line-height: 1.6; margin-inline: auto; margin-bottom: var(--space-4); }
.story p:last-child { margin-bottom: 0; }
.story__rule {
  width: 60px;
  height: 1px;
  margin: 0 auto var(--space-8);
  background: var(--color-accent);
}

/* ============================================================
   Impact (numbers / aspirations)
============================================================ */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}
.impact-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent);
}
.impact-card span {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-3);
}
.impact-card p { color: var(--color-text-muted); font-size: var(--text-base); }

/* ============================================================
   Contact
============================================================ */
.contact {
  background: linear-gradient(180deg, var(--color-bg), var(--color-surface-offset));
}
.contact__grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.contact h2 { font-size: var(--text-2xl); margin-bottom: var(--space-5); }
.contact__intro p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.contact__intro p strong { color: var(--color-text); }

form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  display: grid;
  gap: var(--space-5);
}
.field { display: grid; gap: var(--space-2); }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field--row .field { gap: var(--space-2); }
label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-muted);
}
input, textarea, select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: inherit;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  outline: 2px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  outline-offset: 0;
}
textarea { min-height: 140px; resize: vertical; line-height: 1.55; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  border: 1px solid var(--color-primary);
  cursor: pointer;
  justify-self: start;
}
.btn:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.form-status {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  display: none;
}
.form-status--ok    { display: block; background: color-mix(in oklab, var(--color-success) 12%, transparent); color: var(--color-text); border: 1px solid color-mix(in oklab, var(--color-success) 30%, transparent); }
.form-status--err   { display: block; background: color-mix(in oklab, var(--color-error) 12%, transparent); color: var(--color-text); border: 1px solid color-mix(in oklab, var(--color-error) 30%, transparent); }

@media (max-width: 820px) {
  .contact__grid { grid-template-columns: 1fr; }
  .field--row { grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
============================================================ */
.footer {
  background: #14160f;
  color: #c0bda9;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.footer a { color: #e5e1d2; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.footer__logo-mark {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}
.footer__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.footer__logo-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: #faf6ec;
  letter-spacing: -0.005em;
}
.footer__logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #8e8a76;
  font-weight: 500;
  margin-top: 4px;
}
.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8e8a76;
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.footer__col ul { list-style: none; display: grid; gap: var(--space-2); }
.footer__col li a { font-size: var(--text-sm); }
.footer p { color: #8e8a76; font-size: var(--text-sm); max-width: 50ch; }
.footer__bottom {
  border-top: 1px solid #2b2f24;
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: #8e8a76;
}

@media (max-width: 720px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); }
}

/* ============================================================
   Scroll reveal (very subtle)
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }