/* Main global styles — responsive layout, typography, base components */

/* ============================================================
   1. RESET & BOX SIZING
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* ============================================================
   2. BASE STYLES (Mobile-first)
   ============================================================ */
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5em;
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
  margin-top: 0;
  margin-bottom: 1em;
}

a {
  color: #8E44AD;
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:hover {
  color: #6C3483;
}

/* ============================================================
   4. LAYOUT — CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ============================================================
   5. SECTIONS — Mobile-first vertical stack
   ============================================================ */
section {
  padding: 2rem 0;
}

.section-header,
.section-envelope,
.section-greeting,
.section-countdown,
.section-event-details,
.section-itinerary,
.section-photos,
.section-dress-code,
.section-messages,
.section-gift,
.section-rsvp {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ============================================================
   6. HEADER / LOGO
   ============================================================ */
.site-header {
  text-align: center;
  padding: 1.5rem 1rem;
}

.site-header img {
  max-width: 200px;
  width: 100%;
  height: auto;
}

/* ============================================================
   7. RESPONSIVE IMAGES
   ============================================================ */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   8. PHOTOS GRID
   ============================================================ */
.photos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  width: 100%;
  padding: 0 1rem;
}

.photos-grid img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  object-fit: cover;
}

/* ============================================================
   9. DRESS CODE — COLOR SWATCHES
   ============================================================ */
.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  padding: 1rem 0;
}

.color-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.color-swatch__square {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.color-swatch__label {
  font-size: 0.85rem;
  text-align: center;
}

/* ============================================================
   10. ITINERARY TIMELINE
   ============================================================ */
.itinerary-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.itinerary-timeline li {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #eee;
}

.itinerary-timeline li:last-child {
  border-bottom: none;
}

.itinerary-time {
  font-weight: 600;
  white-space: nowrap;
  min-width: 5rem;
}

/* ============================================================
   11. FORMS — Mobile-first
   ============================================================ */
input,
select,
textarea,
button {
  font-family: inherit;
  font-size: 1rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  min-height: 44px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #8E44AD;
  box-shadow: 0 0 0 3px rgba(142, 68, 173, 0.15);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group {
  margin-bottom: 1.25rem;
}

/* ============================================================
   12. BUTTONS & TOUCH TARGETS
   ============================================================ */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

button:active,
.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: #8E44AD;
  color: #fff;
}

.btn-primary:hover {
  background-color: #7D3C98;
}

.btn-secondary {
  background-color: #eee;
  color: #333;
}

.btn-secondary:hover {
  background-color: #ddd;
}

/* Touch targets — ensure all interactive elements meet 44x44 minimum */
a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ============================================================
   13. ACCESSIBILITY — FOCUS VISIBLE
   ============================================================ */
:focus-visible {
  outline: 3px solid #8E44AD;
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #8E44AD;
  outline-offset: 2px;
}

/* ============================================================
   14. UTILITY CLASSES
   ============================================================ */
.text-center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

/* Error messages */
.error-message {
  color: #c0392b;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.field-error {
  border-color: #c0392b !important;
}

/* Success messages */
.success-message {
  color: #27ae60;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* ============================================================
   15. COUNTDOWN
   ============================================================ */
.countdown {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  text-align: center;
}

.countdown__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.countdown__value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
}

.countdown__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #666;
}

/* ============================================================
   16. GIFT SECTION
   ============================================================ */
.gift-details {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 1.5rem;
  width: 100%;
}

/* ============================================================
   17. MESSAGES SECTION
   ============================================================ */
.message-block {
  margin-bottom: 2rem;
}

.message-block:last-child {
  margin-bottom: 0;
}


/* ============================================================
   18. MEDIA QUERIES — Tablet (768px+)
   ============================================================ */
@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }

  /* Photos grid: 2 columns */
  .photos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 0;
  }

  /* Itinerary multi-column layout */
  .itinerary-timeline {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Form inputs: appropriate sizing on larger screens */
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  input[type="password"],
  select {
    max-width: 400px;
  }

  textarea {
    max-width: 600px;
  }

  /* Sections get more breathing room */
  section {
    padding: 3rem 0;
  }

  /* Multi-column content areas */
  .content-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  /* Touch targets can relax slightly on desktop, but remain accessible */
  a {
    min-height: auto;
  }
}

/* ============================================================
   19. MEDIA QUERIES — Desktop (1024px+)
   ============================================================ */
@media (min-width: 1024px) {
  /* Photos grid: 3 columns */
  .photos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Wider content areas can use 3 columns */
  .content-columns--wide {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Countdown gets larger */
  .countdown__value {
    font-size: 2.5rem;
  }

  section {
    padding: 4rem 0;
  }
}

/* ============================================================
   20. MEDIA QUERIES — Large Desktop (1200px+)
   ============================================================ */
@media (min-width: 1200px) {
  .container {
    padding-left: 0;
    padding-right: 0;
  }
}

/* ============================================================
   21. PRINT STYLES (graceful degradation)
   ============================================================ */
@media print {
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .countdown,
  .section-rsvp,
  button,
  .btn {
    display: none;
  }
}