/* ===========================
   GLOBAL CSS - Pay Monthly Websites
   =========================== */

/* CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colour palette */
  --color-primary:       #1a3c5e;
  --color-primary-dark:  #122b45;
  --color-accent:        #2e86de;
  --color-accent-light:  #4dabf7;
  --color-accent-hover:  #1c6fc0;
  --color-white:         #ffffff;
  --color-off-white:     #f8fafc;
  --color-light-grey:    #f1f5f9;
  --color-border:        #e2e8f0;
  --color-text:          #1e293b;
  --color-text-muted:    #64748b;
  --color-text-light:    #94a3b8;
  --color-success:       #10b981;
  --color-warning:       #f59e0b;

  /* Typography */
  --font-body:           'Inter', system-ui, sans-serif;
  --font-heading:        'Poppins', 'Inter', system-ui, sans-serif;

  /* Spacing */
  --section-padding:     5rem 1.5rem;
  --container-max:       1140px;

  /* Borders */
  --radius-sm:           0.375rem;
  --radius-md:           0.625rem;
  --radius-lg:           1rem;
  --radius-xl:           1.5rem;

  /* Shadows */
  --shadow-sm:           0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:           0 4px 12px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg:           0 10px 30px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p {
  line-height: 1.75;
  color: var(--color-text-muted);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(46, 134, 222, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-light-grey);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
}

/* Form Elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46, 134, 222, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}

/* Utility */
.text-center { text-align: center; }
.text-accent  { color: var(--color-accent); }
.text-muted   { color: var(--color-text-muted); }

.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;
}

/* Anchor scroll offset — compensates for 70px sticky header */
[id] {
  scroll-margin-top: 80px;
}

/* Section spacing */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

/* Divider */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: 99px;
  margin: 1rem auto 0;
}

/* Responsive grid helpers */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.75rem;
  background-color: rgba(46, 134, 222, 0.1);
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 99px;
  border: 1px solid rgba(46, 134, 222, 0.2);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #fff;
  z-index: 9999;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 0;
}