/* ============================================================================
   LateNightFix website-base-template — main stylesheet
   Plain CSS, no preprocessor, no framework. Mobile-first.
   Theming: override the CSS variables below to rebrand per client.
   ============================================================================ */

:root {
  /* Brand (override from CLIENT.md -> brand) */
  --color-brand: #0b3a5b;        /* primary brand color */
  --color-brand-contrast: #ffffff;
  --color-accent: #d97706;       /* secondary accent (CTAs) */
  --color-accent-contrast: #ffffff;

  /* Neutrals */
  --color-ink: #0f172a;
  --color-ink-muted: #475569;
  --color-surface: #ffffff;
  --color-surface-alt: #f8fafc;
  --color-border: #e2e8f0;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-display: var(--font-sans);

  --leading-tight: 1.2;
  --leading-body: 1.6;

  --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: 4rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);

  --max-width: 1120px;
}

/* ---------- Reset / base ---------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--leading-body);
  color: var(--color-ink);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

a {
  color: var(--color-brand);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
}

h1 { font-size: clamp(1.875rem, 4vw + 1rem, 3rem); }
h2 { font-size: clamp(1.5rem, 2.5vw + 0.75rem, 2.25rem); }
h3 { font-size: 1.25rem; }

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

ul { padding: 0; margin: 0; list-style: none; }

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

/* ---------- Accessibility helpers ---------- */

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-brand);
  color: var(--color-brand-contrast);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 1000;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: var(--space-4);
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout primitives ---------- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-7);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .section-lede {
  color: var(--color-ink-muted);
  font-size: 1.0625rem;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--color-brand);
  margin: 0 0 var(--space-3);
}

.lede {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.1s ease, background 0.15s ease, color 0.15s ease;
  min-height: 44px; /* tap target */
  line-height: 1.25;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: #b85f04;
  color: var(--color-accent-contrast);
}

.btn-secondary {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-brand);
  color: var(--color-brand-contrast);
}

.btn-text {
  color: var(--color-brand);
  padding: 0;
  background: none;
  border: none;
  min-height: 0;
}
.btn-text:hover,
.btn-text:focus-visible {
  text-decoration: underline;
}

.link-arrow {
  font-weight: 600;
  color: var(--color-brand);
}
.link-arrow::after { content: " \2192"; }

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 1.125rem;
}
.brand:hover { text-decoration: none; }

.brand-logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-name {
  white-space: nowrap;
}

.primary-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: none;
  align-items: center;
  gap: var(--space-5);
}

.nav-menu[data-open="true"] {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
}

.nav-menu[data-open="true"] li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-menu[data-open="true"] li:last-child {
  border-bottom: none;
  padding-top: var(--space-4);
}

.nav-menu a {
  color: var(--color-ink);
  font-weight: 500;
}

.nav-menu a[aria-current="page"] {
  color: var(--color-brand);
  font-weight: 700;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 40px;
  height: 32px;
  background: transparent;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) 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(-8px) rotate(-45deg);
}

.nav-toggle-bar,
.nav-toggle {
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-surface) 100%);
  padding: var(--space-7) 0;
}

.hero-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.hero h1 {
  margin-bottom: var(--space-4);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

.hero-trust li {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.hero-frame {
  aspect-ratio: 4 / 3;
  background: var(--color-border);
  border: 2px dashed var(--color-ink-muted);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-muted);
  font-size: 0.875rem;
}

/* ---------- Services ---------- */

.services {
  padding: var(--space-8) 0;
  background: var(--color-surface);
}

.service-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card h3 {
  color: var(--color-brand);
  margin-bottom: var(--space-3);
}

/* ---------- Services list (services.html) ---------- */

.services-list {
  padding: var(--space-7) 0;
}

.service-detail {
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.service-features {
  margin-top: var(--space-4);
}

.service-features li {
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  position: relative;
}

.service-features li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-brand);
  font-weight: 700;
}

/* ---------- About ---------- */

.about {
  padding: var(--space-8) 0;
  background: var(--color-surface-alt);
}

.about-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

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

.differentiators li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.differentiators li:last-child {
  border-bottom: none;
}

/* ---------- Credentials ---------- */

.credentials {
  padding: var(--space-7) 0;
}

.credential-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.credential-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

/* ---------- Testimonials ---------- */

.testimonials {
  padding: var(--space-8) 0;
  background: var(--color-surface-alt);
}

.testimonial-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.testimonial-card blockquote {
  margin: 0;
}

.testimonial-card p {
  font-size: 1.0625rem;
  margin-bottom: var(--space-4);
}

.testimonial-card cite {
  font-style: normal;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

/* ---------- Service area ---------- */

.service-area {
  padding: var(--space-8) 0;
}

.service-area-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.area-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.area-list li {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}

.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- CTA ---------- */

.cta {
  padding: var(--space-8) 0;
  background: var(--color-brand);
  color: var(--color-brand-contrast);
  text-align: center;
}

.cta h2 {
  color: var(--color-brand-contrast);
}

.cta p {
  color: var(--color-brand-contrast);
  opacity: 0.9;
  margin-bottom: var(--space-5);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.cta .btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.cta .btn-secondary {
  background: transparent;
  color: var(--color-brand-contrast);
  border-color: var(--color-brand-contrast);
}

.cta .btn-secondary:hover,
.cta .btn-secondary:focus-visible {
  background: var(--color-brand-contrast);
  color: var(--color-brand);
}

/* ---------- Contact page ---------- */

.contact-grid {
  padding: var(--space-7) 0;
}

.contact-inner {
  display: grid;
  gap: var(--space-7);
}

.contact-info h2,
.contact-form h2 {
  margin-bottom: var(--space-4);
}

.contact-info address {
  font-style: normal;
  margin-bottom: var(--space-5);
}

.hours-list {
  margin-bottom: var(--space-5);
}

.hours-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.contact-note {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin-top: var(--space-4);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.form-lede {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-5);
}

.field {
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: inherit;
  font-size: 1rem;
  min-height: 44px;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 3px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-brand);
}

.field-checkbox {
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
}

.field-checkbox input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.field-checkbox label {
  font-weight: 400;
  font-size: 0.9375rem;
}

.form-status {
  margin-top: var(--space-4);
  font-size: 0.9375rem;
  min-height: 1.4em;
}

.form-status[data-state="error"] {
  color: #b91c1c;
}

.form-status[data-state="success"] {
  color: #166534;
}

/* ---------- Page hero (services/about/contact) ---------- */

.page-hero {
  padding: var(--space-7) 0 var(--space-5);
  background: var(--color-surface-alt);
  text-align: left;
}

.page-hero .lede {
  max-width: 720px;
}

/* ---------- 404 ---------- */

.error-page {
  padding: var(--space-8) 0;
  text-align: center;
}

.error-code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 800;
  color: var(--color-brand);
  margin: 0 0 var(--space-4);
  line-height: 1;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin: var(--space-5) 0;
}

.error-links a {
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.error-inner {
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-ink);
  color: var(--color-surface);
  padding: var(--space-7) 0 var(--space-5);
  margin-top: var(--space-8);
}

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

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

.footer-inner {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.footer-inner h3 {
  color: var(--color-surface);
  font-size: 1rem;
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-inner li {
  padding: var(--space-2) 0;
}

.footer-inner address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
  padding-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.template-credit {
  margin: 0;
}

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .credential-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .area-list { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }
  .nav-menu li {
    padding: 0;
    border: none;
  }
  .nav-menu[data-open="true"] li {
    padding: 0;
    border: none;
  }

  .hero-inner,
  .about-inner,
  .service-area-inner,
  .contact-inner {
    grid-template-columns: 1fr 1fr;
  }

  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

@media (min-width: 1100px) {
  .service-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}