/* ==========================================================================
   FlatOut — design tokens
   Every colour used anywhere in this project must be one of these ten
   custom properties. Don't add a hex value outside this block.
   ========================================================================== */
:root {
  --navy-deep: #14283A; /* header, hero, footer, primary buttons, dark sections */
  --navy: #1D3A50; /* secondary dark surfaces, cards on dark */
  --blue: #285D78; /* hover states; secondary/muted text on cream & off-white */
  --teal: #3D8C82; /* checkmarks, form focus ring, small accents — sparing use */
  --orange: #D97A35; /* brand mark, how-it-works step numbers — sparing use */
  --cream: #F4F0E8; /* warm content sections */
  --off-white: #F7F8F6; /* alternating light sections */
  --grey: #8A969F; /* muted text — dark surfaces ONLY, see note below */
  --white: #FFFFFF;

  /* --grey on --cream/--off-white measures 2.66:1 — fails WCAG AA even at
     large text sizes. On light sections use --blue for secondary/muted
     text instead; --grey is reserved for muted text on --navy-deep/--navy
     surfaces, where it measures 4.98:1. */

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --container: 72rem;

  --shadow-card: 0 1px 2px rgba(20, 40, 58, 0.06), 0 4px 16px rgba(20, 40, 58, 0.06);
}

/* ==========================================================================
   Fonts
   Display: Fraunces 600 — a serif drawn explicitly for warmth ("a cozy,
   soft, sturdy" brief was the type designers' own description), which is
   the whole point of a "cozy dark blue" brand. Its opsz axis is left
   variable so browsers auto-tune the shapes for heading vs. small sizes.
   Body: Karla 400/700 (variable, single file) — quiet humanist grotesque,
   legible at 16px, doesn't compete with Fraunces. Latin-only subsets,
   ~59KB combined.
   ========================================================================== */
@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Karla";
  src: url("/fonts/karla-variable.woff2") format("woff2-variations"), url("/fonts/karla-variable.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; }

html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: "Karla", "Segoe UI", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  background: var(--off-white);
  color: var(--navy-deep);
}

h1, h2, h3, h4 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h1 { font-size: 2rem; } /* 32px @375px, scales up via section media queries */
h2 { font-size: 1.6rem; }
h3 { font-size: 1.25rem; }

@media (min-width: 48rem) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2rem; }
}
@media (min-width: 90rem) {
  h1 { font-size: 3.25rem; }
  h2 { font-size: 2.25rem; }
}

.eyebrow {
  font-family: "Karla", sans-serif;
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Focus visibility — teal ring everywhere, no exceptions */
:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -3rem;
  background: var(--cream);
  color: var(--navy-deep);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 100;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: var(--space-sm);
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}
@media (min-width: 48rem) {
  .container { padding-inline: var(--space-lg); }
}

.section {
  padding-block: var(--space-2xl);
}
.section--tight {
  padding-block: var(--space-xl);
}
.section--navy { background: var(--navy-deep); color: var(--white); }
.section--cream { background: var(--cream); color: var(--navy-deep); }
.section--off-white { background: var(--off-white); color: var(--navy-deep); }

.section--navy .muted,
.site-header .muted,
.site-footer .muted { color: var(--grey); }
.section--cream .muted,
.section--off-white .muted { color: var(--blue); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  min-height: 3rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--navy-deep);
  color: var(--cream);
}
.btn-primary:hover { background: var(--blue); }

.btn-on-dark {
  background: var(--cream);
  color: var(--navy-deep);
}
.btn-on-dark:hover { background: var(--white); }

.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.08); }

.btn-block { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  background: var(--navy-deep);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  padding-block: var(--space-2xs);
  min-height: 4rem;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  text-decoration: none;
  color: var(--white);
}
.site-logo__word {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: 0.01em;
}
@media (min-width: 26rem) {
  .site-logo__word { font-size: 1.375rem; }
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}
.site-nav a {
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9375rem;
  padding-block: var(--space-3xs);
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--teal);
}

.site-header__phone {
  display: none;
  color: var(--grey);
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}
.site-header__phone:hover { color: var(--white); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.site-header__actions .btn {
  padding: 0.6rem 0.9rem;
  font-size: 0.875rem;
  min-height: 2.75rem;
  white-space: nowrap;
}
@media (min-width: 26rem) {
  .site-header__actions .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
  }
}

.nav-toggle { display: block; position: relative; }
.nav-toggle summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
}
.nav-toggle summary::-webkit-details-marker { display: none; }
.nav-toggle summary:hover,
.nav-toggle summary:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}
.nav-toggle__icon {
  width: 1.5rem;
  height: 1.125rem;
  position: relative;
}
.nav-toggle__icon span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}
.nav-toggle__icon span:nth-child(1) { top: 0; }
.nav-toggle__icon span:nth-child(2) { top: 0.5rem; }
.nav-toggle__icon span:nth-child(3) { top: 1rem; }

.nav-toggle__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-2xs));
  background: var(--navy-deep);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  min-width: 14rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}
.nav-toggle__panel a {
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  padding: var(--space-2xs) var(--space-2xs);
  border-radius: var(--radius-sm);
}
.nav-toggle__panel a:hover,
.nav-toggle__panel a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}
.nav-toggle__panel .site-header__phone {
  display: block;
  color: var(--grey);
  padding: var(--space-2xs);
}

@media (min-width: 64rem) {
  .site-nav { display: flex; }
  .site-header__phone { display: inline; }
  .nav-toggle { display: none; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-deep);
  color: var(--white);
  padding-block: var(--space-xl) var(--space-lg);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 48rem) {
  .site-footer__grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
.site-footer h2 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}
.site-footer a {
  text-decoration: none;
  color: var(--white);
}
.site-footer a:hover { color: var(--teal); }
.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}
.site-footer__bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  justify-content: space-between;
  color: var(--grey);
  font-size: 0.875rem;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { padding-block: var(--space-2xl) var(--space-xl); }
.hero__inner { max-width: 38rem; margin-inline: 0; }
.hero__kicker { color: var(--grey); margin-bottom: var(--space-sm); }
.hero__headline { color: var(--white); margin-bottom: var(--space-md); }
.hero__sub {
  color: var(--white);
  font-size: 1.125rem;
  max-width: 30rem;
  margin-bottom: var(--space-lg);
}
.hero__cta { margin-bottom: var(--space-lg); }
.hero__checklist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  color: var(--grey);
  font-weight: 700;
}
.hero__checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3xs);
}

/* ==========================================================================
   Services
   ========================================================================== */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (min-width: 40rem) {
  .service-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 64rem) {
  .service-grid { grid-template-columns: repeat(4, 1fr); }
}
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}
.service-card h3 { margin-block: var(--space-sm) var(--space-2xs); }
.service-card__link {
  display: inline-block;
  margin-top: var(--space-sm);
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}
.service-card__link:hover { text-decoration: underline; color: var(--navy-deep); }

/* ==========================================================================
   How it works
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
@media (min-width: 56rem) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}
.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}
.step h3 { margin-bottom: var(--space-2xs); }

/* ==========================================================================
   Made for flatmates
   ========================================================================== */
.flatmates { max-width: 40rem; margin-inline: 0; }
.flatmates__lead { font-size: 1.125rem; margin-bottom: var(--space-lg); }
.flatmates__line {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.75rem;
  color: var(--navy-deep);
  border-left: 4px solid var(--teal);
  padding-left: var(--space-md);
}
@media (min-width: 48rem) {
  .flatmates__line { font-size: 2.125rem; }
}

/* ==========================================================================
   End of year
   ========================================================================== */
.end-of-year { max-width: 36rem; margin-inline: 0; }
.end-of-year__copy {
  font-size: 1.125rem;
  color: var(--white);
  margin-block: var(--space-sm) var(--space-lg);
}

/* ==========================================================================
   Small teaser sections (more options, landlord)
   ========================================================================== */
.small-block { max-width: 34rem; margin-inline: 0; }
.small-block p.muted { margin-block: var(--space-2xs) var(--space-md); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  max-width: 42rem;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.0625rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  color: var(--teal);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: var(--space-sm); }

/* ==========================================================================
   Quote CTA (closing section — hands off to the external form)
   ========================================================================== */
.quote-cta { max-width: 34rem; margin-inline: 0; }
.quote-cta h1,
.quote-cta h2 { margin-block: var(--space-sm) var(--space-md); }
.quote-cta p.muted { margin-bottom: var(--space-md); }
.quote-cta__note { margin-top: var(--space-sm); font-size: 0.875rem; margin-bottom: 0; }