/* myrapiddelivery.co.uk — shared styles */

:root {
  /* Navy + cream + warm amber */
  --navy-900: oklch(0.22 0.045 250);
  --navy-800: oklch(0.28 0.05 250);
  --navy-700: oklch(0.36 0.055 250);
  --navy-500: oklch(0.52 0.05 250);
  --navy-300: oklch(0.78 0.025 250);
  --navy-100: oklch(0.92 0.015 250);

  --cream-50: oklch(0.985 0.01 85);
  --cream-100: oklch(0.97 0.015 85);
  --cream-200: oklch(0.94 0.02 85);
  --cream-300: oklch(0.89 0.025 80);

  --amber-600: oklch(0.68 0.135 55);
  --amber-500: oklch(0.74 0.135 60);
  --amber-400: oklch(0.82 0.11 70);
  --amber-100: oklch(0.94 0.04 75);

  --ink: var(--navy-900);
  --ink-soft: var(--navy-700);
  --ink-muted: var(--navy-500);
  --bg: var(--cream-100);
  --bg-elevated: #fff;
  --bg-deep: var(--navy-900);
  --line: oklch(0.88 0.015 85);
  --line-soft: oklch(0.92 0.012 85);
  --accent: var(--amber-600);
  --accent-soft: var(--amber-100);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(15, 26, 50, 0.04), 0 1px 1px rgba(15, 26, 50, 0.03);
  --shadow: 0 1px 2px rgba(15, 26, 50, 0.04), 0 8px 24px -8px rgba(15, 26, 50, 0.12);
  --shadow-lg: 0 1px 2px rgba(15, 26, 50, 0.05), 0 24px 48px -16px rgba(15, 26, 50, 0.18);

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Geist", "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", monospace;

  --container: 1240px;
}

/* Palette variants applied via [data-palette] on <html> */
html[data-palette="navy-cream"] {
  /* default (above) */
}
html[data-palette="forest-cream"] {
  --navy-900: oklch(0.28 0.04 155);
  --navy-800: oklch(0.34 0.045 155);
  --navy-700: oklch(0.42 0.05 155);
  --navy-500: oklch(0.55 0.05 155);
  --navy-300: oklch(0.78 0.025 155);
  --navy-100: oklch(0.92 0.015 155);
  --amber-600: oklch(0.68 0.13 50);
}
html[data-palette="plum-blush"] {
  --navy-900: oklch(0.26 0.06 320);
  --navy-800: oklch(0.32 0.065 320);
  --navy-700: oklch(0.4 0.07 320);
  --navy-500: oklch(0.55 0.06 320);
  --navy-300: oklch(0.8 0.03 320);
  --navy-100: oklch(0.93 0.015 320);
  --cream-50: oklch(0.985 0.012 25);
  --cream-100: oklch(0.97 0.018 25);
  --cream-200: oklch(0.94 0.024 25);
  --cream-300: oklch(0.89 0.03 25);
  --amber-600: oklch(0.7 0.13 25);
}
html[data-palette="ink-citrus"] {
  --navy-900: oklch(0.2 0.02 260);
  --navy-800: oklch(0.26 0.025 260);
  --navy-700: oklch(0.34 0.03 260);
  --navy-500: oklch(0.5 0.03 260);
  --navy-300: oklch(0.78 0.015 260);
  --navy-100: oklch(0.92 0.008 260);
  --cream-50: oklch(0.985 0.005 100);
  --cream-100: oklch(0.97 0.008 100);
  --cream-200: oklch(0.94 0.012 100);
  --cream-300: oklch(0.89 0.018 100);
  --amber-600: oklch(0.78 0.16 95);
  --amber-500: oklch(0.83 0.16 95);
  --amber-100: oklch(0.95 0.05 95);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* Subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(40, 30, 15, 0.025) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.6;
}
body > * { position: relative; z-index: 1; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* Typography */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.02em; }
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.022em;
}
h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.018em;
}
h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklch, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 38px;
  height: 38px;
  display: block;
  flex-shrink: 0;
  color: var(--ink);
  --mark-seam: color-mix(in oklch, var(--cream-50) 18%, transparent);
  --mark-arrow: var(--accent);
}
.logo-mark.on-dark {
  color: var(--cream-50);
  --mark-seam: color-mix(in oklch, var(--navy-900) 22%, transparent);
}
.logo-mark .mark-body { fill: currentColor; }
.logo-mark .mark-seam { stroke: var(--mark-seam); }
.logo-mark .mark-arrow { stroke: var(--mark-arrow); }
.logo:hover .logo-mark .mark-arrow { transform: translateX(1.5px); transition: transform 180ms ease; }
.logo .logo-mark .mark-arrow { transition: transform 180ms ease; transform-origin: center; }
.logo b { font-weight: 400; }
.logo span.dim { color: var(--ink-muted); font-style: italic; }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-size: 14.5px;
  color: var(--ink-soft);
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color 120ms, border-color 120ms;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 0;
  background: transparent;
  color: var(--ink);
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
}
.nav-toggle:hover { color: var(--accent); }
.nav-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: transform 160ms ease, opacity 160ms ease, top 160ms ease;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  top: -6px;
}
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after  { top: 0; transform: rotate(-45deg); }

.mobile-nav-panel { display: contents; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}
.phone strong { color: var(--ink); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 200ms, background 160ms, color 160ms;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--cream-50);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 6px 16px -8px rgba(15, 26, 50, 0.45);
}
.btn-primary:hover { background: var(--navy-800); transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 10px 22px -10px rgba(15, 26, 50, 0.55); }
.btn-accent {
  background: var(--accent);
  color: var(--navy-900);
  box-shadow: 0 6px 16px -10px var(--accent);
}
.btn-accent:hover { transform: translateY(-1px); filter: brightness(1.04); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink-soft); }
.btn-block { width: 100%; padding: 18px 22px; font-size: 16px; }
.btn .arrow { transition: transform 200ms; }
.btn:hover .arrow { transform: translateX(3px); }

/* Cards */
.card {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--cream-200);
  color: var(--ink-soft);
  font-size: 12.5px;
  font-weight: 500;
  border: 1px solid var(--line-soft);
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* Form */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.input, .select {
  width: 100%;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--cream-50);
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 120ms, box-shadow 120ms, background 120ms;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--navy-700);
  background: #fff;
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--navy-700) 12%, transparent);
}
.select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1.5L6 6.5L11 1.5' stroke='%23394a6b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.input::placeholder { color: oklch(0.6 0.02 250); }

.toggle-group {
  display: inline-flex;
  background: var(--cream-200);
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
}
.toggle-group button {
  border: 0;
  background: transparent;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: -0.005em;
}
.toggle-group button.active {
  background: var(--bg-elevated);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(15,26,50,0.08);
}

/* Sections */
section { padding: 88px 0; }
section.tight { padding: 56px 0; }

/* Footer */
.site-footer {
  background: var(--bg-deep);
  color: var(--cream-100);
  padding: 72px 0 32px;
  margin-top: 96px;
}
.site-footer a { color: color-mix(in oklch, var(--cream-100) 78%, transparent); }
.site-footer a:hover { color: var(--cream-50); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid color-mix(in oklch, var(--cream-100) 12%, transparent);
}
.footer-col h4 {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--cream-100) 60%, transparent);
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; font-size: 14.5px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 13px;
  color: color-mix(in oklch, var(--cream-100) 55%, transparent);
}

/* Utilities */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; } .gap-6 { gap: 24px; } .gap-8 { gap: 32px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.text-muted { color: var(--ink-muted); }
.text-soft { color: var(--ink-soft); }
.mono { font-family: var(--mono); font-feature-settings: "tnum"; }

@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  section { padding: 64px 0; }

  .site-header .inner { position: relative; gap: 12px; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav-panel {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 16px 20px 20px;
    flex-direction: column;
    gap: 12px;
    z-index: 60;
  }
  .mobile-nav-panel[data-open] { display: flex; }
  .mobile-nav-panel .nav { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .mobile-nav-panel .nav a {
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-soft);
  }
  .mobile-nav-panel .nav a:last-child { border-bottom: 0; }
  .mobile-nav-panel .header-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding-top: 8px;
    border-top: 1px solid var(--line-soft);
    margin-top: 4px;
  }
  .mobile-nav-panel .header-actions .phone { font-size: 15px; }
  .mobile-nav-panel .header-actions .btn { width: 100%; }

  .btn { min-height: 44px; }
  .input, .select { min-height: 44px; font-size: 16px; }
}

@media (max-width: 768px) {
  section { padding: 48px 0; }
  .site-footer { padding: 56px 0 24px; margin-top: 64px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; padding-bottom: 32px; }
  h1 { letter-spacing: -0.018em; }
  .site-header .inner { padding-top: 14px; padding-bottom: 14px; }
  .logo { font-size: 20px; gap: 10px; }
  .logo-mark { width: 32px; height: 32px; }
}
