/* ============================================================
   Chaparral RE Development — chapdev.com
   Art direction: North Texas land. Limestone bone surfaces,
   ironwood text, mesquite-green accent. Zodiak + Satoshi.
   ============================================================ */

:root {
  /* Type scale */
  --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);

  /* 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;

  /* Radius / motion */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.625rem;
  --radius-full: 9999px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Widths */
  --content-narrow: 660px;
  --content-default: 1000px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Zodiak', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Satoshi', 'Inter', 'Helvetica Neue', sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f4f1e9;
  --color-surface: #faf8f2;
  --color-surface-2: #fdfcf8;
  --color-surface-offset: #ece7db;
  --color-divider: #ded8c9;
  --color-border: #cfc7b4;

  --color-text: #201d17;
  --color-text-muted: #6b6558;
  --color-text-faint: #a8a190;
  --color-text-inverse: #f7f4ec;

  --color-primary: #3a5240;
  --color-primary-hover: #2a3d2f;
  --color-primary-active: #1e2d22;
  --color-primary-soft: #dfe4d9;

  --color-ink: #1a1a15;

  --shadow-sm: 0 1px 2px oklch(0.25 0.02 80 / 0.07);
  --shadow-md: 0 6px 18px oklch(0.25 0.02 80 / 0.09);
  --shadow-lg: 0 18px 44px oklch(0.25 0.02 80 / 0.13);
}

[data-theme='dark'] {
  --color-bg: #14150f;
  --color-surface: #1a1b14;
  --color-surface-2: #1f2019;
  --color-surface-offset: #23241c;
  --color-divider: #2b2c23;
  --color-border: #3d3e33;

  --color-text: #d9d5c7;
  --color-text-muted: #918c7d;
  --color-text-faint: #625e53;
  --color-text-inverse: #16170f;

  --color-primary: #93ab8e;
  --color-primary-hover: #aec4a8;
  --color-primary-active: #c2d3bd;
  --color-primary-soft: #262d24;

  --color-ink: #0e0f0a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 6px 18px oklch(0 0 0 / 0.42);
  --shadow-lg: 0 18px 44px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #14150f;
    --color-surface: #1a1b14;
    --color-surface-2: #1f2019;
    --color-surface-offset: #23241c;
    --color-divider: #2b2c23;
    --color-border: #3d3e33;
    --color-text: #d9d5c7;
    --color-text-muted: #918c7d;
    --color-text-faint: #625e53;
    --color-text-inverse: #16170f;
    --color-primary: #93ab8e;
    --color-primary-hover: #aec4a8;
    --color-primary-soft: #262d24;
  }
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
}
p {
  margin: 0;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ---------- Layout primitives ---------- */
.shell {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.section--offset {
  background: var(--color-surface-offset);
}
.rule {
  height: 1px;
  background: var(--color-divider);
  border: 0;
  margin: 0;
}

.eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.display {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  max-width: 22ch;
}
.lede {
  color: var(--color-text-muted);
  max-width: 58ch;
  font-size: var(--text-base);
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand__mark {
  color: var(--color-primary);
  flex: none;
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
}
.brand__sub {
  white-space: nowrap;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav a {
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.nav a:hover {
  color: var(--color-text);
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.icon-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: all var(--transition-interactive);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover {
  border-color: var(--color-text-muted);
  background: color-mix(in oklab, var(--color-text) 4%, transparent);
}
/* Sits on permanently dark backgrounds (hero photo, contact panel),
   so values are fixed rather than theme-dependent. */
.btn--light {
  background: #f7f4ec;
  border-color: #f7f4ec;
  color: #201d17;
}
.btn--light:hover {
  background: #ffffff;
  border-color: #ffffff;
  transform: translateY(-1px);
}
.label-short {
  display: none;
}
.btn--outline-light {
  border-color: color-mix(in oklab, #f7f4ec 45%, transparent);
  color: #f7f4ec;
}
.btn--outline-light:hover {
  background: color-mix(in oklab, #f7f4ec 12%, transparent);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-ink);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 58%;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      to top,
      oklch(0.16 0.015 90 / 0.94) 0%,
      oklch(0.16 0.015 90 / 0.72) 38%,
      oklch(0.16 0.015 90 / 0.3) 72%,
      oklch(0.16 0.015 90 / 0.42) 100%
    );
}
.hero__inner {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  width: 100%;
}
.hero__eyebrow {
  color: #cbd6c4;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: #f7f4ec;
  max-width: 20ch;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: italic;
  color: #c3d2ba;
}
.hero__lede {
  margin-top: var(--space-6);
  max-width: 54ch;
  color: #ddd8cc;
  font-size: var(--text-base);
}
.hero__actions {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero__meta {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in oklab, #f7f4ec 22%, transparent);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 760px;
}
.hero__meta dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #a9b3a2;
  margin-bottom: var(--space-2);
}
.hero__meta dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: #f2efe6;
  line-height: 1.2;
}

/* ---------- Two-column intro ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: start;
}
.split__body > * + * {
  margin-top: var(--space-5);
}
.split__body p {
  color: var(--color-text-muted);
  max-width: 62ch;
}
.split__body strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- Capabilities ---------- */
.cap-grid {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cap {
  background: var(--color-surface);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  transition: background var(--transition-interactive);
}
.cap:hover {
  background: var(--color-surface-2);
}
.cap__num {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}
.cap__icon {
  margin: var(--space-5) 0 var(--space-5);
  color: var(--color-primary);
}
.cap h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.cap p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.cap ul {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.cap li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
}
.cap li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 1px;
  background: var(--color-primary);
}

/* ---------- Process ---------- */
.process {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-8);
  counter-reset: step;
}
.step {
  padding-top: var(--space-5);
  border-top: 2px solid var(--color-primary);
}
.step__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Feature band with image ---------- */
.band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.band__media {
  position: relative;
  min-height: 380px;
}
.band__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.band__body {
  padding: clamp(var(--space-10), 6vw, var(--space-24)) clamp(var(--space-6), 5vw, var(--space-20));
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 620px;
}
.band__body h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  max-width: 24ch;
}
.band__list {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
}
.band__list li {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-divider);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: baseline;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.band__list li:last-child {
  border-bottom: 1px solid var(--color-divider);
}
.band__list span:first-child {
  font-family: var(--font-display);
  color: var(--color-text);
  font-size: var(--text-base);
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-ink);
  color: #eae6da;
}
.contact .eyebrow {
  color: #b6c4ae;
}
.contact h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: #f7f4ec;
  max-width: 22ch;
}
.contact p {
  margin-top: var(--space-6);
  color: #b7b2a5;
  max-width: 52ch;
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.contact__card {
  border: 1px solid color-mix(in oklab, #f7f4ec 20%, transparent);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background: color-mix(in oklab, #f7f4ec 5%, transparent);
}
.contact__card dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #9aa394;
}
.contact__card dd {
  margin: var(--space-2) 0 var(--space-6);
  font-size: var(--text-base);
  color: #f2efe6;
}
.contact__card dd:last-of-type {
  margin-bottom: var(--space-8);
}
/* Underline treatment applies to inline links only — must not
   hit the .btn inside this card, which sets its own padding. */
.contact__card a:not(.btn) {
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, #f7f4ec 35%, transparent);
  padding-bottom: 1px;
  transition: border-color var(--transition-interactive);
}
.contact__card a:not(.btn):hover {
  border-color: #f7f4ec;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer__inner a {
  text-decoration: none;
  color: var(--color-text-muted);
}
.footer__inner a:hover {
  color: var(--color-text);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .cap-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 900px) {
  .split,
  .band,
  .contact__grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .band__media {
    min-height: 280px;
    order: -1;
  }
  .band__body {
    max-width: none;
  }
  .nav {
    display: none;
  }
  .hero__meta {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
  }
}
@media (max-width: 640px) {
  .header__inner {
    min-height: 64px;
    gap: var(--space-3);
  }
  .brand__name {
    font-size: 1rem;
  }
  .brand__sub {
    letter-spacing: 0.12em;
    font-size: 0.625rem;
  }
  .label-long {
    display: none;
  }
  .label-short {
    display: inline;
  }
  .btn {
    padding: var(--space-3) var(--space-4);
  }
  .hero {
    min-height: 0;
  }
  .hero h1 {
    max-width: none;
  }
  .hero__actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}