/* SmartWash — design tokens + base */
:root {
  /* Surfaces */
  --bg: #F5F9FC;
  --bg-alt: #FFFFFF;
  --bg-deep: #E8F1F7;
  --bg-card: #FFFFFF;
  --bg-dark: #0A1628;

  /* Ink */
  --ink-1: #0A1628;
  --ink-2: #1F2D3F;
  --ink-3: #4A5868;
  --ink-4: #7B8794;
  --ink-5: #B5BFC9;

  /* Accents — single chroma, varied hue (electric cyan family) */
  --accent: oklch(0.65 0.15 230);
  --accent-deep: oklch(0.52 0.15 235);
  --accent-soft: oklch(0.92 0.05 220);
  --accent-glow: oklch(0.78 0.15 200);

  /* Status */
  --good: oklch(0.68 0.15 160);
  --warn: oklch(0.78 0.15 80);

  /* Borders */
  --line: rgba(10, 22, 40, 0.08);
  --line-2: rgba(10, 22, 40, 0.14);

  /* Type */
  --font-display: 'Inter Tight', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-ar: 'IBM Plex Sans Arabic', 'Inter', system-ui, sans-serif;

  /* Radii + shadows */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(10,22,40,0.04), 0 1px 3px rgba(10,22,40,0.06);
  --shadow-md: 0 4px 12px rgba(10,22,40,0.06), 0 2px 4px rgba(10,22,40,0.04);
  --shadow-lg: 0 24px 48px -12px rgba(10,22,40,0.18), 0 8px 16px rgba(10,22,40,0.06);
  --shadow-xl: 0 40px 80px -20px rgba(10,22,40,0.22), 0 12px 32px rgba(10,22,40,0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink-1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink-1);
  text-wrap: balance;
}

p { margin: 0; line-height: 1.55; color: var(--ink-3); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Utility containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 0.12s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink-1);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, 0 6px 16px -6px rgba(10,22,40,0.4);
}
.btn-primary:hover { background: #1a2740; transform: translateY(-1px); }
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 8px 24px -8px oklch(0.65 0.15 230 / 0.5);
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 12px 28px -8px oklch(0.65 0.15 230 / 0.6); }
.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { background: rgba(10,22,40,0.04); }

/* Eyebrow / chip */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 5px 10px;
  border-radius: 999px;
}
.eyebrow .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px oklch(0.65 0.15 230 / 0.18);
}

/* Section */
.section {
  padding: 120px 0;
  position: relative;
}
.section-title {
  font-size: 48px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 16px;
}
.section-sub {
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-3);
  max-width: 620px;
}

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

/* Decorative grid bg */
.grid-bg {
  background-image:
    linear-gradient(to right, rgba(10,22,40,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,22,40,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
}

/* Hide scrollbars on horizontal lists where needed */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { scrollbar-width: none; }

/* Form */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: 0.01em;
}
.field-input, .field-select {
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: #fff;
  padding: 0 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink-1);
  transition: border 0.15s ease, box-shadow 0.15s ease;
  outline: none;
  width: 100%;
}
.field-input:focus, .field-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px oklch(0.65 0.15 230 / 0.15);
}
.field-input::placeholder { color: var(--ink-5); }

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--ink-1);
}
.logo-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(155deg, oklch(0.78 0.15 200) 0%, oklch(0.55 0.18 240) 100%);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px -2px oklch(0.55 0.18 240 / 0.4), 0 1px 0 rgba(255,255,255,0.4) inset;
}
.logo-mark svg { width: 16px; height: 16px; }