/* ==========================================================================
   Blackbuck Stays — shared design system
   Static site, no build step. Mobile-first. Dark (espresso) theme.
   ========================================================================== */

/* ---- Brand tokens ------------------------------------------------------ */
:root {
  --espresso: #241C13;
  --field-olive: #434C36;
  --bottle-olive: #586A3C;
  --walnut: #5A4A37;
  --cedar-sage: #8B9376;
  --caliche: #E2DAC8;
  --limestone: #F4EFE3;
  --bone: #F7F2E7;

  /* Derived dark surfaces */
  --surface: #2E2519;
  --surface-2: #3A2F20;

  /* Type */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --radius: 10px;
  --radius-lg: 16px;
  --container: 68rem;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background-color: var(--espresso);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  text-transform: none; /* sentence case only, never all-caps */
}

h1 {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 650;
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.25rem);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: var(--caliche);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--cedar-sage);
  outline-offset: 3px;
  border-radius: 4px;
}

ul {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

/* ---- Layout helpers ---------------------------------------------------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-8);
}

.section--tint {
  background-color: var(--surface-2);
}

.section--caliche {
  background-color: var(--surface-2);
}

.section-kicker {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cedar-sage);
  margin-bottom: var(--space-3);
}

/* Cedar-sage falls to 4.06:1 on --surface-2; lightened sage keeps AA there */
.section--tint .section-kicker,
.section--caliche .section-kicker,
.cta-block .section-kicker,
.card--tint .card__eyebrow {
  color: #9AA383;
}

.section-lede {
  max-width: 44rem;
  color: var(--caliche);
  font-size: 1.05rem;
}

.placeholder {
  background: rgba(139, 147, 118, 0.18);
  border: 1px dashed var(--cedar-sage);
  border-radius: 6px;
  padding: 0.05em 0.3em;
}

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
}

.btn:active {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.btn--primary {
  background-color: var(--bottle-olive);
  color: var(--bone);
}

.btn--primary:hover {
  background-color: #617442;
}

.btn--secondary {
  background-color: transparent;
  color: var(--bone);
  border-color: var(--bone);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.22);
}

.btn--secondary:hover {
  background-color: var(--bone);
  color: var(--espresso);
  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.3);
}

.btn--light {
  background-color: var(--bone);
  color: var(--field-olive);
}

.btn--light:hover {
  background-color: var(--caliche);
}

.btn--lg {
  font-size: 1.05rem;
  padding: 1.05rem 1.9rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---- Header / nav ------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(36, 28, 19, 0.94);
  border-bottom: 1px solid rgba(226, 218, 200, 0.16);
  backdrop-filter: blur(6px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--bone);
}

.brand__mark {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.6rem;
  background: transparent;
  border: 1px solid rgba(226, 218, 200, 0.3);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--bone);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-bottom: 1px solid rgba(226, 218, 200, 0.16);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
}

.site-nav[data-open="true"] {
  display: block;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-nav__link {
  display: block;
  padding: var(--space-3) var(--space-2);
  font-weight: 500;
  color: var(--bone);
  text-decoration: none;
  border-radius: 6px;
}

.site-nav__link:hover {
  background-color: var(--surface-2);
}

.site-nav__link[aria-current="page"] {
  color: var(--cedar-sage);
  font-weight: 600;
}

@media (min-width: 48rem) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    background: none;
    border: 0;
    box-shadow: none;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
    padding: 0;
  }

  .site-nav__link {
    padding: var(--space-2) 0;
  }

  .site-nav__link:hover {
    background: none;
    color: var(--cedar-sage);
  }
}

/* ---- Hero ---------------------------------------------------------------- */
.hero {
  padding-block: var(--space-8) var(--space-8);
  background:
    linear-gradient(180deg, var(--espresso) 0%, var(--surface) 100%);
  border-bottom: 1px solid rgba(226, 218, 200, 0.16);
}

.hero__inner {
  max-width: 48rem;
}

.hero__subhead {
  font-size: 1.15rem;
  color: var(--caliche);
  max-width: 40rem;
  margin-bottom: var(--space-6);
}

@media (min-width: 48rem) {
  .hero {
    padding-block: var(--space-9);
  }
}

/* ---- Cards --------------------------------------------------------------- */
.card-grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.card {
  background-color: var(--surface);
  border: 1px solid rgba(226, 218, 200, 0.16);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.card--tint {
  background-color: var(--surface-2);
}

.card h3 {
  margin-bottom: var(--space-2);
}

.card p {
  margin-bottom: 0;
  color: var(--caliche);
}

.card__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cedar-sage);
  margin-bottom: var(--space-2);
}

@media (min-width: 48rem) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stack-note {
  margin-top: var(--space-5);
  font-weight: 500;
  color: var(--cedar-sage);
  max-width: 44rem;
}

/* ---- Steps (How it works) ------------------------------------------------ */
.steps {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-5);
  counter-reset: step;
}

.step {
  counter-increment: step;
  background-color: var(--surface);
  border: 1px solid rgba(226, 218, 200, 0.16);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.step::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-3);
  border-radius: 50%;
  background-color: var(--bottle-olive);
  color: var(--bone);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

.step h3 {
  margin-bottom: var(--space-2);
}

.step p {
  margin-bottom: 0;
  color: var(--caliche);
}

@media (min-width: 48rem) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- Scope / checklist lists --------------------------------------------- */
.scope-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.scope-list li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  background-color: var(--surface);
  border: 1px solid rgba(226, 218, 200, 0.16);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
}

.scope-list li::before {
  content: "";
  flex: none;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background-color: var(--cedar-sage);
  transform: translateY(0.05rem);
}

@media (min-width: 48rem) {
  .scope-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Wellness CTA block (prominent) --------------------------------------- */
.cta-block {
  background-color: var(--surface-2);
  border-block: 4px solid var(--bottle-olive);
  color: var(--bone);
  padding-block: var(--space-8);
}

.cta-block h2 {
  color: var(--bone);
}

.cta-block p {
  color: var(--caliche);
  max-width: 44rem;
  font-size: 1.1rem;
}

/* ---- Checklist (wellness standard) ---------------------------------------- */
.tier {
  margin-top: var(--space-6);
}

.tier__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone);
  background-color: var(--bottle-olive);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: var(--space-4);
}

.tier__label--signature {
  background-color: var(--walnut);
}

.checklist-grid {
  display: grid;
  gap: var(--space-5);
}

.checklist-card {
  background-color: var(--surface);
  border: 1px solid rgba(226, 218, 200, 0.16);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.checklist-card h3 {
  margin-bottom: var(--space-3);
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.checklist li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  color: var(--caliche);
}

.checklist li::before {
  content: "\2713"; /* check mark */
  flex: none;
  font-weight: 700;
  color: var(--cedar-sage);
}

@media (min-width: 48rem) {
  .checklist-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .checklist-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- FAQ ------------------------------------------------------------------- */
.faq-list {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid rgba(226, 218, 200, 0.16);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.faq-item h3 {
  margin-bottom: var(--space-2);
}

.faq-item p {
  margin-bottom: 0;
  color: var(--caliche);
}

/* ---- Contact ---------------------------------------------------------------- */
.contact-note {
  margin-top: var(--space-3);
  font-size: 0.9rem;
  color: var(--caliche);
}

.contact-form {
  margin-top: var(--space-6);
  background-color: var(--surface);
  border: 1px solid rgba(226, 218, 200, 0.16);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  max-width: 34rem;
}

.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-field label {
  font-weight: 500;
  color: var(--bone);
}

.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--bone);
  background-color: var(--surface-2);
  border: 1px solid rgba(226, 218, 200, 0.25);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--caliche);
  opacity: 0.65;
}

/* Light olive: bottle-olive itself is under 3:1 against the dark surfaces */
.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: 3px solid #6B814B;
  outline-offset: 1px;
}

.form-field textarea {
  resize: vertical;
  min-height: 8rem;
}

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

@media (min-width: 48rem) {
  .contact-form .btn {
    justify-self: start;
  }
}

/* ---- Footer ------------------------------------------------------------------ */
.site-footer {
  background-color: var(--espresso);
  border-top: 1px solid rgba(226, 218, 200, 0.16);
  color: var(--caliche);
  padding-block: var(--space-7);
  font-size: 0.95rem;
}

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

.site-footer__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.site-footer__updated {
  font-size: 0.85rem;
}

@media (min-width: 48rem) {
  .site-footer__row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
  }
}

/* ---- Cookie consent banner ------------------------------------------------ */
.consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--surface-2);
  border-top: 1px solid rgba(226, 218, 200, 0.16);
  padding-block: var(--space-4);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.4);
}

.consent-banner__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.consent-banner__text {
  margin: 0;
  color: var(--bone);
}

.consent-banner__text a {
  color: var(--caliche);
}

.consent-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (min-width: 48rem) {
  .consent-banner__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}