/* =========================================================
   Variables
   ========================================================= */
:root {
  /* Color palette - fresh whites, blues, soft grays */
  --color-background: #f7f9fc;
  --color-surface: #ffffff;
  --color-text: #111827;
  --color-text-muted: #6b7280;

  --color-primary: #1d77d4; /* main blue */
  --color-primary-soft: #e5f1fb;
  --color-primary-dark: #165c9f;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  --color-border-subtle: #e5e7eb;
  --color-border-strong: #cbd5f5;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  --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 (px) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows - subtle, clean */
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 240ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
}

/* =========================================================
   Reset / Normalize
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  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;
}

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

main {
  display: block;
}

/* Headings - clear hierarchy, controlled margins */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: clamp(2.25rem, 2vw + 1.8rem, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.875rem, 1.5vw + 1.5rem, 2.25rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

h5 {
  font-size: 1.125rem;
  margin-bottom: var(--space-1);
}

h6 {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

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

strong {
  font-weight: 600;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

code,
pre {
  font-family: var(--font-mono);
}

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-8) 0;
}

/* =========================================================
   Accessibility & Motion
   ========================================================= */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

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

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  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);
  }
}

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

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

/* Flex helpers */
.flex {
  display: flex;
}

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

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

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

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

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

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  display: grid;
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  gap: var(--space-6);
}

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

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Spacing utilities (margin / padding, selective set for base) */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }

.mt-4 { margin-top: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mt-8 { margin-top: var(--space-8) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

.pt-8 { padding-top: var(--space-8) !important; }
.pb-8 { padding-bottom: var(--space-8) !important; }

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

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

/* 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;
}

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

/* Buttons - primary CTAs for booking / quote requests */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    color var(--transition-base);
}

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

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

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

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary-soft);
  box-shadow: none;
}

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

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border-subtle);
  box-shadow: var(--shadow-xs);
}

.btn--secondary:hover {
  background-color: var(--color-gray-50);
}

.btn--danger {
  background-color: var(--color-danger);
}

.btn--danger:hover {
  background-color: #dc2626;
}

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

/* Inputs & form controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  color: var(--color-text);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

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

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(29, 119, 212, 0.2);
}

.input[disabled],
select[disabled],
textarea[disabled] {
  background-color: var(--color-gray-50);
  cursor: not-allowed;
}

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

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

.form-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: 4px;
}

/* Card - used for service blocks, process steps, etc. */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-sm);
}

.card--muted {
  background-color: #f8fbff;
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-gray-900);
}

.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-muted);
}

/* Badge / Pill (for service tags, areas, etc.) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

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

/* Simple navigation base */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition:
    color var(--transition-base),
    border-color var(--transition-base);
}

.nav-link:hover {
  color: var(--color-gray-900);
}

.nav-link--active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Hero text alignment helpers */
.hero-title {
  font-size: clamp(2.5rem, 3vw + 1.8rem, 3.25rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 42rem;
}

/* Callout / notice */
.callout {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-gray-50);
  font-size: var(--font-size-sm);
}

.callout--info {
  background-color: var(--color-primary-soft);
  border-color: rgba(29, 119, 212, 0.2);
}

.callout--success {
  background-color: #ecfdf5;
  border-color: rgba(16, 185, 129, 0.25);
}

.callout--warning {
  background-color: #fffbeb;
  border-color: rgba(245, 158, 11, 0.25);
}

.callout--danger {
  background-color: #fef2f2;
  border-color: rgba(239, 68, 68, 0.25);
}

/* Tables (for pricing / comparison) */
.table {
  width: 100%;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
}

.table thead th {
  font-weight: 600;
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-200);
}

.table tbody tr + tr td {
  border-top: 1px solid var(--color-gray-100);
}

/* Subtle hover for interactive rows */
.table--hover tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* Footer */
.footer {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
  border-top: 1px solid var(--color-gray-200);
  background-color: #f5f7fb;
}

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

/* =========================================================
   End base.css
   ========================================================= */