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

:root {
  /* Colors */
  --color-background: #f6fbff;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-text-soft: #4b5563;

  --color-primary: #27b3e6; /* fresh aqua */
  --color-primary-soft: #e0f6ff;
  --color-primary-strong: #0e8fbe;

  --color-success: #1bbf6b;
  --color-warning: #f6a623;
  --color-danger: #e34f4f;

  /* Neutral grays */
  --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, sans-serif;
  --font-heading: "Roboto", "Segoe UI", system-ui, -apple-system, sans-serif;

  --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;

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

  /* Shadows – soft and airy */
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);

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

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

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

html,
body,
div,
span,
applet,
object,
iframe,
 h1,
 h2,
 h3,
 h4,
 h5,
 h6,
 p,
 blockquote,
 pre,
 a,
 abbr,
 acronym,
 address,
 big,
 cite,
 code,
 del,
 dfn,
 em,
 img,
 ins,
 kbd,
 q,
 s,
 samp,
 small,
 strike,
 strong,
 sub,
 sup,
 tt,
 var,
 b,
 u,
 i,
 center,
 dl,
 dt,
 dd,
 ol,
 ul,
 li,
 fieldset,
 form,
 label,
 legend,
 table,
 caption,
 tbody,
 tfoot,
 thead,
 tr,
 th,
 td,
 article,
 aside,
 canvas,
 details,
 embed,
 figure,
 figcaption,
 footer,
 header,
 hgroup,
 menu,
 nav,
 output,
 ruby,
 section,
 summary,
 time,
 mark,
 audio,
 video {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote::before,
blockquote::after,
q::before,
q::after {
  content: "";
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border-radius: 0;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

/* ==========================================================================
   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;
  text-rendering: optimizeLegibility;
}

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

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

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
}

p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-soft);
  margin-bottom: var(--space-4);
}

strong,
b {
  font-weight: 600;
}

em,
i {
  font-style: italic;
}

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

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

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

hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-6) 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: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

/* Layout helpers */

.container {
  width: 100%;
  max-width: 1120px;
  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 {
  display: flex;
}

.flex-row {
  flex-direction: row;
}

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

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

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

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

.grid {
  display: grid;
}

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

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

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (margin/padding) */

.m-0 { margin: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-0 { margin-top: 0 !important; }

.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

.pt-4 { padding-top: var(--space-4) !important; }
.pb-4 { padding-bottom: var(--space-4) !important; }
.pt-8 { padding-top: var(--space-8) !important; }
.pb-8 { padding-bottom: var(--space-8) !important; }

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

/* Screen-reader only utility */

.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: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, #4fc7f0, #27b3e6);
  color: #ffffff!important;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #34b4e7, #0e8fbe);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

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

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  background-image: linear-gradient(135deg, rgba(39, 179, 230, 0.05), rgba(39, 179, 230, 0));
}

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

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  box-shadow: none;
}

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

/* Form elements */

.input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

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

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(39, 179, 230, 0.25);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--gray-700);
}

/* Card – for services, pricing, testimonials */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(15, 23, 42, 0.02);
}

.card--soft {
  background: linear-gradient(145deg, #ffffff, #f3f9ff);
}

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

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

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

/* Image wrapper for crisp laundry visuals */

.media-rounded {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.media-soft-shadow {
  box-shadow: var(--shadow-md);
}

/* Helper for subtle section backgrounds */

.section-soft {
  background: radial-gradient(circle at top left, rgba(39, 179, 230, 0.08), transparent 55%),
              radial-gradient(circle at bottom right, rgba(148, 223, 255, 0.12), transparent 55%);
}