/* ============================================================
   A.K. Construction & Development LLC — Coming Soon
   Palette: Desert Southwest — sandstone, terracotta, dark bark
   ============================================================ */

:root,
[data-theme="light"] {
  /* Surfaces — warm sandstone */
  --color-bg:              #F5F1EB;
  --color-surface:         #FAF7F3;
  --color-surface-2:       #FFFFFF;
  --color-surface-offset:  #EDE7DC;
  --color-border:          #D8CFC2;
  --color-divider:         #E3DAD0;

  /* Text — dark bark */
  --color-text:            #2C2117;
  --color-text-muted:      #7A6E63;
  --color-text-faint:      #B5A99C;
  --color-text-inverse:    #FAF7F3;

  /* Accent — terracotta */
  --color-accent:          #B85C38;
  --color-accent-hover:    #9A4628;
  --color-accent-active:   #7C3318;
  --color-accent-highlight:#F0DDD5;

  /* Secondary — deep sage */
  --color-sage:            #5C7A5E;
  --color-sage-light:      #D4E3D5;

  /* Shadows */
  --shadow-sm: 0 1px 3px oklch(0.2 0.04 55 / 0.08);
  --shadow-md: 0 6px 20px oklch(0.2 0.04 55 / 0.10);
  --shadow-lg: 0 16px 48px oklch(0.2 0.04 55 / 0.14);

  /* Type */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body:    'Work Sans', 'Helvetica Neue', sans-serif;

  /* 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;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;

  /* Transitions */
  --ease: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --content-default: 1160px;
}

[data-theme="dark"] {
  --color-bg:              #1A1510;
  --color-surface:         #211C16;
  --color-surface-2:       #28221B;
  --color-surface-offset:  #1E1912;
  --color-border:          #3A3028;
  --color-divider:         #2E261E;
  --color-text:            #E8E0D5;
  --color-text-muted:      #8C7E72;
  --color-text-faint:      #5C5048;
  --color-text-inverse:    #1A1510;
  --color-accent:          #D97A56;
  --color-accent-hover:    #E8906E;
  --color-accent-active:   #F0A080;
  --color-accent-highlight:#3D2318;
  --color-sage:            #7BA07D;
  --color-sage-light:      #243326;
  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1A1510; --color-surface: #211C16; --color-surface-2: #28221B;
    --color-surface-offset: #1E1912; --color-border: #3A3028; --color-divider: #2E261E;
    --color-text: #E8E0D5; --color-text-muted: #8C7E72; --color-text-faint: #5C5048;
    --color-text-inverse: #1A1510; --color-accent: #D97A56;
    --color-accent-hover: #E8906E; --color-accent-active: #F0A080;
    --color-accent-highlight: #3D2318; --color-sage: #7BA07D; --color-sage-light: #243326;
    --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
    --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.45);
  }
}

/* ============================================================
   BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  transition: background var(--ease), color var(--ease);
}

img, svg { display: block; max-width: 100%; }
a, button, input, select, textarea { font: inherit; color: inherit; }
a { text-decoration: none; }
button { cursor: pointer; background: none; border: none; }
h1, h2, h3 { text-wrap: balance; line-height: 1.1; }
p { text-wrap: pretty; }

::selection { background: color-mix(in oklab, var(--color-accent), transparent 75%); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8) var(--space-4);
  position: relative;
  z-index: 10;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.logo-mark {
  flex-shrink: 0;
  color: var(--color-text);
}

.logo-img {
  /* Width scales with viewport, height auto to avoid truncation */
  width: clamp(220px, 28vw, 400px);
  height: auto;
  display: block;
  flex-shrink: 0;
  filter: none;
  /* Transparent PNG — blends into sandstone bg naturally */
}

[data-theme="dark"] .logo-img {
  /* Invert charcoal to near-white on dark background */
  filter: invert(1) brightness(0.9) contrast(1.05);
}

/* SVG logo — crisp at any size, no image artifacts */
.logo-lockup a {
  display: block;
  text-decoration: none;
}

.logo-svg {
  /* Fixed width ensures full wordmark always visible — matches Concept 3 proportions */
  width: min(560px, calc(100vw - 120px));
  height: auto;
  display: block;
  flex-shrink: 0;
  overflow: visible;
  min-width: 280px;
}

/* Dark mode overrides */
[data-theme="dark"] .logo-svg rect:first-child {
  fill: #E8E0D5;
}
[data-theme="dark"] .logo-svg text {
  fill: #E8E0D5 !important;
}
/* AK letters stay dark (inverse of block) in dark mode */
[data-theme="dark"] .logo-svg text:first-of-type {
  fill: #1A1510 !important;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.logo-sub {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full, 9999px);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

/* ============================================================
   HERO
   ============================================================ */
main { flex: 1; }

.hero {
  padding: var(--space-12) var(--space-8) var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Blueprint decoration */
.blueprint-grid {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  color: var(--color-accent);
  pointer-events: none;
  z-index: 0;
}
.blueprint-grid svg { width: 100%; height: 100%; }

/* Hero content */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-sage-light);
  color: var(--color-sage);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full, 9999px);
  width: fit-content;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero-heading em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 52ch;
}

.contact-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--ease);
}
.contact-item:hover { color: var(--color-accent); }
.contact-item svg { flex-shrink: 0; }

.contact-divider {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

/* ============================================================
   FORM CARD
   ============================================================ */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

/* Accent top bar */
.form-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), color-mix(in oklab, var(--color-accent), var(--color-sage) 50%));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.form-header {
  margin-bottom: var(--space-6);
}

.form-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.form-header p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.form-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.form-field input,
.form-field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
  appearance: none;
  -webkit-appearance: none;
}

.form-field input::placeholder { color: var(--color-text-faint); }
.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-accent), transparent 80%);
}

.form-field input.error { border-color: #B85C38; }

.select-wrapper {
  position: relative;
}
.select-wrapper select { padding-right: var(--space-10); }
.select-arrow {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-text-muted);
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  border: none;
  margin-top: var(--space-2);
  transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
  box-shadow: var(--shadow-sm);
}

.btn-submit:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-submit:active { transform: translateY(0); }

.form-note {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

/* Success state — hidden by default, shown via JS removing hidden attr */
[hidden] { display: none !important; }

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8) 0;
  color: var(--color-sage);
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.form-success p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 28ch;
}

.form-success a {
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================================
   SERVICES STRIP
   ============================================================ */
.services-strip {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) var(--space-8);
}

.strip-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.service-pill {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.pill-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
  flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  padding: var(--space-6) var(--space-8);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-divider);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .form-card { max-width: 480px; }

  .hero { padding: var(--space-8) var(--space-6) var(--space-12); }
}

@media (max-width: 600px) {
  .site-header { padding: var(--space-4) var(--space-5); }
  .logo-name { font-size: var(--text-base); }
  .logo-sub { display: none; }
  .hero { padding: var(--space-6) var(--space-5) var(--space-10); }
  .hero-heading { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .hero-sub { font-size: var(--text-base); }
  .form-card { padding: var(--space-6) var(--space-5); }
  .services-strip { padding: var(--space-4) var(--space-5); }
  .strip-inner { gap: var(--space-3); }
  .site-footer { padding: var(--space-5); }
}