/* ========================================================================== */
/*  Variables                                                                 */
/* ========================================================================== */

:root {
  /* Colors */
  --color-background: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-text-muted: #6b7280;
  --color-primary: #0059b3; /* Dutch corporate blue */
  --color-primary-soft: #e5f0ff;
  --color-success: #15803d;
  --color-warning: #d97706;
  --color-danger: #b91c1c;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 0.25rem;  /* 4px */
  --radius-md: 0.5rem;   /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 250ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
}

/* ========================================================================== */
/*  Reset / Normalize                                                         */
/* ========================================================================== */

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

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul,
ol,
li,
fieldset,
legend,
pre {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

ul,
ol {
  list-style: none;
}

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

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

[hidden] {
  display: none !important;
}

/* ========================================================================== */
/*  Base                                                                      */
/* ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: #00438a;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

hr {
  border: 0;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-8) 0;
}

/* ========================================================================== */
/*  Accessibility                                                             */
/* ========================================================================== */

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

:focus {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ========================================================================== */
/*  Utilities                                                                 */
/* ========================================================================== */

/* Layout container for centered, readable content */

.container {
  width: 100%;
  max-width: 1120px; /* Suitable for corporate content */
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

/* Flex helpers */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Spacing utilities (limited, commonly used) */

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--light {
  background-color: var(--gray-50);
}

.section--muted {
  background-color: var(--gray-100);
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

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

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

.mt-6 {
  margin-top: var(--space-6);
}

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

.mb-6 {
  margin-bottom: var(--space-6);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

/* Screen reader only */

.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;
}

/* ========================================================================== */
/*  Components                                                                */
/* ========================================================================== */

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: #00438a;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active {
  background-color: #00386f;
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

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

.btn[disabled],
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Form controls */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--gray-400);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.input[aria-invalid="true"],
.select[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.input[disabled],
.select[disabled],
.textarea[disabled],
.input[readonly],
.textarea[readonly] {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-800);
}

.form-helper {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card */

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

.card--muted {
  background-color: #ffffff;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

/* Badges for service categories/status */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge-success {
  background-color: #dcfce7;
  color: var(--color-success);
}

.badge-warning {
  background-color: #fef3c7;
  color: var(--color-warning);
}

.badge-muted {
  background-color: var(--gray-100);
  color: var(--gray-700);
}

/* Simple alert styles for hygiene/FAQ notices */

.alert {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  border: 1px solid transparent;
}

.alert-info {
  background-color: var(--color-primary-soft);
  border-color: #c3d8ff;
  color: var(--color-primary);
}

.alert-success {
  background-color: #ecfdf3;
  border-color: #bbf7d0;
  color: var(--color-success);
}

.alert-warning {
  background-color: #fffbeb;
  border-color: #fcd34d;
  color: var(--color-warning);
}

.alert-danger {
  background-color: #fef2f2;
  border-color: #fecaca;
  color: var(--color-danger);
}

/* ========================================================================== */
/*  Site-specific base touches (corporate cleaning theme)                     */
/* ========================================================================== */

/* Hero / masthead general styles (for consistent clean layout) */

.hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero--surface {
  background: radial-gradient(circle at top left, #e5f0ff 0, #f5f7fa 45%, #f5f7fa 100%);
}

.hero-title {
  font-size: clamp(2.1rem, 3vw + 1.4rem, 2.8rem);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 36rem;
}

/* Simple list styles for service descriptions */

.list-check {
  list-style: none;
  padding-left: 0;
}

.list-check li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  background-color: var(--color-primary);
}

/* Testimonials basic style */

.testimonial {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.testimonial-author {
  margin-top: var(--space-3);
  font-weight: 500;
  color: var(--gray-800);
}

.testimonial-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Footer base */

.site-footer {
  background-color: #0b1726;
  color: #e5e7eb;
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.site-footer a {
  color: #c7d2fe;
}

.site-footer a:hover {
  color: #e0e7ff;
}