/* ============================================
   VALENTINE'S DAY WEBSITE - MINIMALISTIC STYLE
   Clean, simple, and elegant design
   ============================================ */

:root {
  /* Color Palette - Minimalistic */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f8f8;
  --bg-tertiary: #f0f0f0;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-light: #999999;
  --accent: #d62828;
  --border: #e0e0e0;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Typography */
  --font-primary: 'Georgia', serif;
  --font-secondary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  
  /* Responsive Breakpoints */
  --mobile: 640px;
  --tablet: 1024px;
  --desktop: 1200px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1 {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-align: center;
}

h2 {
  font-family: var(--font-primary);
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-lg);
  font-weight: 400;
  letter-spacing: 0.3px;
}

h3 {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-weight: 400;
}

p {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* ============================================
   STICKY NAVIGATION BAR
   ============================================ */

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.nav-brand {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  color: var(--text-primary);
  font-weight: 400;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

.nav-brand:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
}

/* ============================================
   BUTTONS & LINKS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-secondary);
  font-size: 1rem;
  color: var(--bg-primary);
  background-color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  cursor: pointer;
  text-align: center;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
  min-height: 48px;
  letter-spacing: 0.5px;
}

.btn:hover {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
  text-decoration: none;
}

.btn:active {
  opacity: 0.9;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  text-decoration: none;
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

/* ============================================
   CONTAINERS & LAYOUT
   ============================================ */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
  width: 100%;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-primary);
}

.page-content {
  width: 100%;
  max-width: 85%;
  padding: var(--spacing-lg) var(--spacing-lg);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 0;
  margin: 0 auto;
}

/* ============================================
   HOME PAGE
   ============================================ */

#home {
  background-color: var(--bg-primary);
  text-align: center;
}

.home-content {
  margin-bottom: var(--spacing-xl);
}

.home-content h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeIn 0.6s ease-out;
}

.welcome-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  animation: fadeIn 0.8s ease-out 0.2s both;
  font-weight: 300;
  letter-spacing: 0.5px;
}

.home-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.home-buttons .btn {
  width: 100%;
  font-size: 1.1rem;
  padding: var(--spacing-md) var(--spacing-md);
  animation: fadeInUp 0.6s ease-out both;
}

.home-buttons .btn:nth-child(1) {
  animation-delay: 0.3s;
}

.home-buttons .btn:nth-child(2) {
  animation-delay: 0.4s;
}

.home-buttons .btn:nth-child(3) {
  animation-delay: 0.5s;
}

/* ============================================
   STORY PAGE - TIMELINE ANIMATIONS
   ============================================ */

.story-disclaimer {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  border-radius: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.story-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  opacity: 0;
}

.story-section:last-child {
  border-bottom: none;
}

/* Highlight key moments */
.story-highlight {
  color: var(--accent);
  font-weight: 500;
}

.story-quote {
  font-family: var(--font-primary);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: var(--spacing-lg) 0;
  padding-left: var(--spacing-lg);
  border-left: 2px solid var(--text-light);
  font-style: italic;
  line-height: 1.8;
}

/* ============================================
   QUIZ PAGE
   ============================================ */

.quiz-container {
  max-width: 700px;
  margin: var(--spacing-lg) auto;
}

.quiz-description {
  font-size: 1.1rem;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  animation: fadeIn 0.8s ease-out;
  font-weight: 300;
}

.quiz-question {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0;
  animation: fadeInUp 0.6s ease-out;
}

.quiz-question h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.quiz-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 48px;
}

.quiz-option:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent);
}

.quiz-option input[type="radio"] {
  margin-right: var(--spacing-md);
  cursor: pointer;
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.quiz-option label {
  cursor: pointer;
  flex: 1;
  color: var(--text-primary);
  margin: 0;
  font-size: 0.95rem;
}

.quiz-option input[type="radio"]:checked + label {
  color: var(--text-primary);
  font-weight: 500;
}

.quiz-submit {
  width: 100%;
  margin-top: var(--spacing-lg);
}

.quiz-message {
  text-align: center;
  padding: var(--spacing-md);
  border-radius: 0;
  margin-bottom: var(--spacing-md);
  animation: fadeIn 0.5s ease-out;
  font-size: 0.95rem;
}

.quiz-message.error {
  background-color: #fff3f3;
  color: var(--accent);
  border: 1px solid #ffcccc;
}

.quiz-message.success {
  background-color: #f0fff0;
  color: #2d5016;
  border: 1px solid #c6f6d5;
}

/* ============================================
   GIFT CELEBRATION PAGE
   ============================================ */

#gift {
  background-color: var(--bg-primary);
}

.gift-content {
  text-align: center;
  animation: fadeInScale 0.8s ease-out;
}

.gift-content h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeIn 0.8s ease-out;
}

.gift-message {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.confetti-piece {
  position: fixed;
  pointer-events: none;
}

/* ============================================
   SLIDESHOW STYLES
   ============================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  max-width: 100%;
  width: 100%;
}

.slideshow-section {
  margin-bottom: 0;
  padding: var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
}

.slideshow-section h2 {
  margin-top: 0;
}

.slideshow-container {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  background-color: var(--bg-primary);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  flex: 1;
}

.slideshow-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  background-color: #1a1a1a;
}

.slideshow-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  animation: fadeIn 0.5s ease-in-out;
}

.slideshow-label {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  background-color: rgba(212, 40, 40, 0.9);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  padding: 0.6rem 1rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  z-index: 10;
}

.slideshow-btn:hover {
  background-color: rgba(255, 255, 255, 1);
}

.slideshow-btn.prev-btn {
  left: var(--spacing-md);
}

.slideshow-btn.next-btn {
  right: var(--spacing-md);
}

.slideshow-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background-color: var(--bg-primary);
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #cccccc;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: 2px solid var(--border);
}

.dot:hover {
  background-color: #999999;
}

.dot.active {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
}

/* PIN Lock Styles */
.pin-lock-container {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: var(--spacing-md) auto;
  height: 350px;
  background-color: var(--bg-primary);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.pin-lock-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(212, 40, 40, 0.1) 0%, rgba(22, 22, 22, 0.3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.pin-lock-content {
  text-align: center;
  color: var(--text-primary);
}

.pin-lock-content p {
  font-size: 1.3rem;
  margin: var(--spacing-md) 0;
  font-weight: 500;
}

.pin-lock-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.pin-input-field {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1.1rem;
  border: 2px solid var(--accent);
  border-radius: 4px;
  margin: var(--spacing-md) 0;
  width: 200px;
  max-width: 90%;
  text-align: center;
  letter-spacing: 2px;
  font-weight: bold;
}

.pin-input-field:focus {
  outline: none;
  border-color: var(--text-primary);
  box-shadow: 0 0 8px rgba(212, 40, 40, 0.3);
}

.pin-submit-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: var(--spacing-md);
  transition: background-color 0.3s ease;
}

.pin-submit-btn:hover {
  background-color: #b01b1b;
}

#pin-message {
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  min-height: 20px;
}

#pin-message.error {
  color: #c41e3a;
}

#pin-message.success {
  color: #28a745;
}

/* Image Modal Styles */
.image-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  animation: fadeIn 0.3s ease-out;
}

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

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  color: white;
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
  z-index: 1001;
}

.modal-close:hover {
  color: var(--accent);
}

.modal-image {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  animation: fadeInScale 0.4s ease-out;
}

/* Make slideshow wrapper clickable */
.slideshow-wrapper {
  cursor: pointer;
}

.slideshow-wrapper:hover {
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  margin-top: auto;
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

footer a {
  color: var(--text-secondary);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes confettiFall {
  to {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0;
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet Breakpoint (640px - 1024px) */
@media (max-width: 1023px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  p {
    font-size: 0.95rem;
  }

  nav {
    padding: var(--spacing-md) var(--spacing-md);
  }

  .nav-links {
    gap: var(--spacing-md);
  }

  .nav-links a {
    font-size: 0.9rem;
  }

  .page-content {
    padding: var(--spacing-md);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .story-quote {
    font-size: 1rem;
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-md);
  }

  .gift-content h1 {
    font-size: 2rem;
  }
}

/* Mobile Breakpoint (<640px) */
@media (max-width: 639px) {
  :root {
    --spacing-md: 1rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1rem;
  }

  p {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  nav {
    position: sticky;
    top: 0;
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
  }

  .nav-toggle {
    display: block;
  }

  .nav-brand {
    font-size: 1.1rem;
    flex: 1;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: var(--spacing-sm);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md);
    width: 100%;
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 0.85rem;
    padding: var(--spacing-sm) 0;
  }

  .page {
    min-height: auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .page-content {
    padding: var(--spacing-md);
    margin: 0 auto;
    max-width: 90%;
    border: 1px solid var(--border);
  }

  .home-buttons {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .home-buttons .btn {
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: 0.95rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    margin-left: 0;
    margin-right: 0;
    padding: 0;
  }

  .slideshow-section {
    padding: 0.4rem;
  }

  .story-section {
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
  }

  .story-quote {
    font-size: 0.95rem;
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-md);
  }

  .btn {
    padding: var(--spacing-md) var(--spacing-md);
    font-size: 0.95rem;
    width: 100%;
  }

  .gift-content h1 {
    font-size: 1.5rem;
  }

  .gift-message {
    font-size: 0.95rem;
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  h1 {
    font-size: 1.3rem;
  }

  h2 {
    font-size: 1rem;
  }

  .page-content {
    max-width: 92%;
    border: 1px solid var(--border);
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    margin-left: 0;
    margin-right: 0;
    padding: 0;
  }

  .slideshow-section {
    padding: 0.4rem;
    margin-bottom: 0;
  }

  .slideshow-section h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
  }

  .slideshow-container {
    margin: 0 auto;
  }

  .slideshow-btn {
    padding: 0.4rem 0.8rem;
    font-size: 1.2rem;
  }

  .slideshow-dots {
    padding: var(--spacing-sm);
  }

  .dot {
    width: 10px;
    height: 10px;
  }

  .dot.active {
    transform: scale(1.1);
  }

  .pin-lock-container {
    height: 300px;
  }

  .pin-lock-content p {
    font-size: 0.85rem;
    margin: var(--spacing-sm) 0;
  }

  .pin-lock-subtitle {
    font-size: 0.75rem;
    margin-bottom: var(--spacing-md);
  }

  .pin-input-field {
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
    width: 85%;
    letter-spacing: 1px;
  }

  .pin-submit-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
  }

  .story-quote {
    font-size: 0.9rem;
  }
}