/* =========================================================
   Base / Reset / Typography
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--clr-text);
  background: var(--clr-bg);
  transition: background var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    word-wrap: normal !important;
    border: 0;
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    overflow-wrap: normal !important;
    padding: 0;
    position: absolute !important;
    width: 1px;
}
/* Focus visible — accessibility */
:focus-visible {
  outline: 3px solid var(--clr-coral);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: .5rem 1rem;
  background: var(--clr-navy);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

/* Headings */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  color: var(--clr-heading);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5.5vw, var(--font-size-4xl)); }
h2 { font-size: clamp(1.5rem, 4vw, var(--font-size-3xl)); }
h3 { font-size: clamp(1.2rem, 3vw, var(--font-size-2xl)); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--clr-coral);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--clr-coral-dark); }

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

ul, ol { padding-left: var(--space-6); }

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

@media (min-width: 640px)  { :root { --container-pad: 1.5rem; } }
@media (min-width: 1024px) { :root { --container-pad: 2rem; } }

/* Section spacing */
.section { padding-block: var(--space-12); }
@media (min-width: 768px) { .section { padding-block: var(--space-20); } }

/* 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;
}

/* Visually hidden but focusable */
.sr-only-focusable:focus { position: static; width: auto; height: auto; clip: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--clr-coral);
  color: #fff;
  border-color: var(--clr-coral);
  box-shadow: var(--shadow-coral);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: var(--clr-coral-dark);
  border-color: var(--clr-coral-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,61,85,.45);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-coral); }

.btn-secondary {
  background: transparent;
  color: var(--clr-navy);
  border-color: var(--clr-navy);
}
.btn-secondary:hover {
  background: var(--clr-navy);
  color: #fff;
}
[data-theme="dark"] .btn-secondary {
  color: var(--clr-text);
  border-color: var(--clr-border);
}
[data-theme="dark"] .btn-secondary:hover {
  background: var(--clr-surface);
  color: var(--clr-text);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--clr-surface); color: var(--clr-text); }

.btn-sm { min-height: 36px; padding: var(--space-2) var(--space-4); font-size: var(--font-size-xs); }
.btn-lg { min-height: 52px; padding: var(--space-4) var(--space-8); font-size: var(--font-size-md); }
.btn-full { width: 100%; }

/* Cards */
.card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.4;
}
.badge-coral   { background: var(--clr-pink-pale); color: var(--clr-coral-dark); }
.badge-navy    { background: rgba(44,62,107,.1); color: var(--clr-navy); }
.badge-success { background: #dcfce7; color: var(--clr-success); }
.badge-warning { background: #fef3c7; color: var(--clr-warning); }
.badge-digital { background: #ede9fe; color: #7c3aed; }

/* Star rating */
.star-rating {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #f59e0b;
}
.star-rating svg { width: 14px; height: 14px; fill: currentColor; }
.star-rating .star-empty { color: var(--clr-border); }

/* Divider */
.divider { border: none; border-top: 1px solid var(--clr-border); margin-block: var(--space-6); }

/* Overlay */
.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.overlay.active { opacity: 1; pointer-events: all; }

/* Spinner */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--clr-border);
  border-top-color: var(--clr-coral);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
  width: calc(100% - 2rem);
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideUp .3s ease;
}
.toast.toast-success { border-left: 4px solid var(--clr-success); }
.toast.toast-error   { border-left: 4px solid var(--clr-error); }
.toast.toast-info    { border-left: 4px solid var(--clr-info); }
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Form elements */
.form-group { margin-bottom: var(--space-5); }
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: var(--space-2);
}
.form-label .required { color: var(--clr-coral); margin-left: 2px; }
.form-control {
  width: 100%;
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--clr-text);
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--clr-coral);
  box-shadow: 0 0 0 3px rgba(255,90,110,.15);
}
.form-control.error { border-color: var(--clr-error); }
.form-error {
  font-size: var(--font-size-xs);
  color: var(--clr-error);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Grid helpers */
.grid { display: grid; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeIn .4s ease both; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}