/* =========================================================
   Level Up Lavatories — Design System
   Luxury Arizona event restroom trailer rental
   Palette: Warm champagne cream + deep charcoal + antique brass
   Type: Cormorant Garamond (display) + Inter (body)
   ========================================================= */

:root {
  /* Type Scale — fluid */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing — 4px base */
  --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;

  /* Color — warm champagne cream light mode */
  --color-bg: #faf7f1;
  --color-surface: #ffffff;
  --color-surface-2: #f4efe5;
  --color-surface-offset: #ece5d5;
  --color-border: #d9d0bc;
  --color-divider: #e8e0cf;

  --color-text: #1a1814;
  --color-text-muted: #6b655a;
  --color-text-faint: #a59e8e;
  --color-text-inverse: #faf7f1;

  /* Primary — deep espresso charcoal */
  --color-primary: #2a2621;
  --color-primary-hover: #151310;
  --color-primary-active: #000000;

  /* Accent — antique brass */
  --color-accent: #9d7a3d;
  --color-accent-hover: #7e6131;
  --color-accent-light: #c9a971;

  /* Status */
  --color-success: #4a7c3a;
  --color-error: #a84334;

  /* Radius */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 180ms var(--ease);
  --transition: 280ms var(--ease);
  --transition-slow: 520ms var(--ease);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 24, 20, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 24, 20, 0.08);
  --shadow-lg: 0 16px 40px rgba(26, 24, 20, 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
}

/* =========================================================
   Base Reset
   ========================================================= */
*,
*::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;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
button, input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--color-text);
}

p { text-wrap: pretty; max-width: 68ch; }

::selection { background: var(--color-accent); color: var(--color-bg); }

: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;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Layout Primitives
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}

.container-narrow { max-width: var(--content-narrow); margin-inline: auto; padding-inline: clamp(var(--space-5), 4vw, var(--space-12)); }
.container-default { max-width: var(--content-default); margin-inline: auto; padding-inline: clamp(var(--space-5), 4vw, var(--space-12)); }

section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section-tight { padding-block: clamp(var(--space-10), 5vw, var(--space-16)); }

/* =========================================================
   Typography Helpers
   ========================================================= */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.display-xl { font-size: var(--text-hero); font-family: var(--font-display); font-weight: 400; line-height: 1.02; letter-spacing: -0.025em; font-style: italic; }
.display-lg { font-size: var(--text-3xl); font-family: var(--font-display); font-weight: 400; line-height: 1.05; letter-spacing: -0.02em; }
.display-md { font-size: var(--text-2xl); font-family: var(--font-display); font-weight: 400; line-height: 1.1; letter-spacing: -0.015em; }
.display-sm { font-size: var(--text-xl); font-family: var(--font-display); font-weight: 500; line-height: 1.15; }

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.55;
  font-weight: 400;
  max-width: 56ch;
}

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

.rule {
  width: 48px;
  height: 1px;
  background: var(--color-accent);
  margin: var(--space-4) 0;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn-outline:hover { background: var(--color-text); color: var(--color-bg); }

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

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-text); }

.btn-lg { padding: var(--space-5) var(--space-10); font-size: var(--text-sm); }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 241, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text);
  line-height: 1;
}
.logo-mark { flex-shrink: 0; color: var(--color-primary); }
.logo-text { display: flex; flex-direction: column; }
.logo-sub {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}
.nav-links a:hover { color: var(--color-accent); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.phone-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.phone-link:hover { color: var(--color-accent); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  color: var(--color-text);
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-links,
  .header-cta .btn,
  .phone-link { display: none; }
  .menu-toggle { display: block; }
  .nav.is-open {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-8);
    gap: var(--space-6);
  }
  .nav.is-open .nav-links {
    flex-direction: column;
    gap: var(--space-5);
    font-size: var(--text-lg);
  }
  .nav.is-open .nav-links a { font-size: var(--text-lg); }
  .nav.is-open .phone-link,
  .nav.is-open .header-cta .btn { display: inline-flex; }
  .nav.is-open .header-cta { flex-direction: column; align-items: stretch; gap: var(--space-3); width: 100%; }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: var(--space-20) var(--space-8);
  margin-top: var(--space-16);
}
.site-footer a { color: var(--color-text-inverse); }
.site-footer a:hover { color: var(--color-accent-light); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-10); } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand .logo { color: var(--color-bg); }
.footer-brand .logo-mark { color: var(--color-accent-light); }
.footer-brand p { color: rgba(250, 247, 241, 0.7); margin-top: var(--space-4); max-width: 30ch; font-size: var(--text-sm); }

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-5);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--text-sm); color: rgba(250, 247, 241, 0.8); }

.footer-bottom {
  border-top: 1px solid rgba(250, 247, 241, 0.12);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: rgba(250, 247, 241, 0.5);
}
.social-links { display: flex; gap: var(--space-3); }
.social-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(250, 247, 241, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.social-links a:hover { border-color: var(--color-accent-light); background: rgba(201, 169, 113, 0.1); }

/* =========================================================
   Cards & Components
   ========================================================= */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: all var(--transition);
}
.card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-md); }

.card-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
}
.card-dark h3 { color: var(--color-text-inverse); }
.card-dark .muted { color: rgba(250, 247, 241, 0.7); }

.card-accent { border-left: 3px solid var(--color-accent); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.pill-accent { background: var(--color-accent); color: var(--color-bg); border-color: var(--color-accent); }

.pill-new {
  background: color-mix(in oklab, var(--color-success) 10%, transparent);
  color: var(--color-success);
  border-color: color-mix(in oklab, var(--color-success) 30%, transparent);
}

/* =========================================================
   Feature grid
   ========================================================= */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* =========================================================
   Forms
   ========================================================= */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.form-control {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(157, 122, 61, 0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
textarea.form-control { min-height: 140px; resize: vertical; }
.form-help { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-2); }

/* =========================================================
   Utility
   ========================================================= */
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mt-8 { margin-top: var(--space-8); }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

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

/* =========================================================
   Breadcrumb
   ========================================================= */
.breadcrumb {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { margin-inline: var(--space-2); color: var(--color-text-faint); }