/* Modern Art Deco Design System */
:root {
  --art-deco-blue: #002347;
  --art-deco-gold: #C5A059;
  --art-deco-gold-light: #FCF6BA;
  --art-deco-gold-dark: #AA771C;
  --white: #ffffff;
  --slate-800: #1e293b;
  --slate-600: #475569;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  background-color: var(--white);
  color: var(--slate-800);
  line-height: 1.5;
  overflow-x: hidden;
}

h1, h2, h3, h4, .art-deco-font {
  font-family: 'Marcellus', serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.gold-gradient {
  background: linear-gradient(45deg, #BF953F, #FCF6BA, #B38728, #FBF5B7, #AA771C);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-art-deco-blue { background-color: var(--art-deco-blue); }
.text-art-deco-gold { color: var(--art-deco-gold); }
.bg-art-deco-gold { background-color: var(--art-deco-gold); }
.border-art-deco-gold { border-color: var(--art-deco-gold); }

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(197, 160, 89, 0.3);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

nav button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--slate-400);
  transition: color 0.3s ease;
  padding: 0.5rem 0;
}

nav button.active {
  color: var(--art-deco-gold);
  border-bottom: 2px solid var(--art-deco-gold);
}

nav button:hover:not(.active) {
  color: var(--slate-600);
}

/* Hero Section */
header {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--art-deco-blue);
  color: var(--white);
  overflow: hidden;
  padding-top: 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  transform: scale(1.05);
  filter: blur(2px);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 35, 71, 0.8), transparent, var(--art-deco-blue));
}

.hero-ornaments {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  z-index: 10;
}

.ornament-corner-tl {
  position: absolute;
  top: 0;
  left: 0;
  width: 16rem;
  height: 16rem;
  border-right: 1px solid var(--art-deco-gold);
  border-bottom: 1px solid var(--art-deco-gold);
  transform: rotate(45deg) translate(-50%, -50%);
}

.ornament-corner-br {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24rem;
  height: 24rem;
  border-left: 1px solid var(--art-deco-gold);
  border-top: 1px solid var(--art-deco-gold);
  transform: rotate(45deg) translate(50%, 50%);
}

.hero-content {
  position: relative;
  z-index: 20;
  text-align: center;
  padding: 0 1rem;
  max-width: 56rem;
}

.hero-date-wrapper {
  display: inline-block;
  padding: 0.5rem 2rem;
  border-top: 1px solid var(--art-deco-gold);
  border-bottom: 1px solid var(--art-deco-gold);
  margin-bottom: 1.5rem;
  background-color: rgba(0, 35, 71, 0.4);
  backdrop-filter: blur(4px);
}

.hero-date-wrapper p {
  letter-spacing: 0.5em;
  color: var(--art-deco-gold);
  text-transform: uppercase;
  font-size: 0.875rem;
}

.hero-content h1 {
  font-size: 3.75rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 25px 25px rgba(0,0,0,0.5));
}

.hero-content h2 {
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 3rem;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.5));
}

@media (min-width: 768px) {
  .hero-content h1 { font-size: 8rem; }
  .hero-content h2 { font-size: 1.875rem; }
}

.btn-rsvp {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 2px solid var(--art-deco-gold);
  color: var(--art-deco-gold);
  background-color: rgba(0, 35, 71, 0.2);
  backdrop-filter: blur(4px);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.btn-rsvp:hover {
  background-color: var(--art-deco-gold);
  color: var(--white);
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-10px) translateX(-50%); }
  60% { transform: translateY(-5px) translateX(-50%); }
}

/* Sections */
main {
  padding: 3rem 0;
}

section {
  margin-bottom: 4rem;
}

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

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.section-title {
  font-size: 1.875rem;
  color: var(--art-deco-blue);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-title span {
  width: 3rem;
  height: 2px;
  background-color: var(--art-deco-gold);
}

.about-text {
  font-size: 1.125rem;
  color: var(--slate-600);
  font-weight: 300;
  font-style: italic;
  white-space: pre-line;
}

.deco-border {
  border: 2px solid var(--art-deco-gold);
  padding: 2rem;
  background-color: var(--white);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.deco-border::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  width: 6rem;
  height: 6rem;
  background-color: var(--art-deco-blue);
  z-index: -1;
}

.img-container {
  aspect-ratio: 4/5;
  overflow: hidden;
}

.img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.img-container:hover img {
  transform: scale(1.1);
}

/* Info Cards */
.info-card {
  padding: 2.5rem;
  border: 1px solid var(--slate-100);
  background-color: var(--slate-50);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--art-deco-gold);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: top;
}

.info-card:hover::before {
  transform: scaleY(1);
}

.info-card h3 {
  font-size: 1.5rem;
  color: var(--art-deco-blue);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--art-deco-gold);
  display: inline-block;
  padding-bottom: 0.5rem;
}

.info-card p {
  color: var(--slate-600);
  margin-bottom: 1.5rem;
}

.map-link {
  color: var(--art-deco-gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
}

.map-link:hover {
  text-decoration: underline;
}

/* RSVP Form */
.rsvp-section {
  background-color: var(--art-deco-blue);
  color: var(--white);
  padding: 3rem 1.5rem;
  border-radius: 2px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

@media (min-width: 768px) {
  .rsvp-section { padding: 5rem; }
}

.rsvp-ornament {
  position: absolute;
  top: 0;
  right: 0;
  width: 12rem;
  height: 12rem;
  opacity: 0.1;
  pointer-events: none;
}

.rsvp-image-wrapper {
  max-width: 25rem;
  margin: 0 auto 3rem;
  border: 2px solid var(--art-deco-gold);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  aspect-ratio: 1;
  position: relative;
}

.rsvp-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.rsvp-header {
  text-align: center;
  margin-bottom: 4rem;
}

.rsvp-header h3 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.rsvp-header .divider {
  width: 6rem;
  height: 4px;
  background-color: var(--art-deco-gold);
  margin: 0 auto;
}

.form-group {
  margin-bottom: 2.5rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.attendance-box {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.attendance-box p {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--art-deco-gold);
  font-weight: 700;
  margin-bottom: 1rem;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  transition: color 0.3s;
}

.radio-label:hover {
  color: var(--art-deco-gold);
}

.radio-label input {
  accent-color: var(--art-deco-gold);
  width: 1.5rem;
  height: 1.5rem;
}

.guest-item {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  margin-bottom: 2rem;
}

.guest-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(197, 160, 89, 0.3);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.guest-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--art-deco-gold);
  font-weight: 700;
}

.btn-remove {
  background: none;
  border: none;
  color: #f87171;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.input-field {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 0.5rem 0;
  outline: none;
  transition: border-color 0.3s;
  font-family: inherit;
  margin-bottom: 1.5rem;
}

.input-field:focus {
  border-color: var(--art-deco-gold);
}

.input-field::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

.textarea-field {
  resize: none;
}

.btn-add {
  width: 100%;
  padding: 1rem;
  border: 2px dashed rgba(197, 160, 89, 0.3);
  background: none;
  color: var(--art-deco-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.3s;
  margin-bottom: 2rem;
}

.btn-add:hover {
  background-color: rgba(197, 160, 89, 0.1);
}

.accommodation-box {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.toggle-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .toggle-wrapper {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 0.875rem;
  font-weight: 600;
}

.toggle-switch {
  position: relative;
  width: 3rem;
  height: 1.5rem;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 1rem;
  width: 1rem;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--art-deco-gold);
}

input:checked + .slider:before {
  transform: translateX(1.5rem);
}

.count-input {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.count-input input {
  width: 5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: none;
  border-bottom: 2px solid var(--art-deco-gold);
  color: var(--white);
  text-align: center;
  font-weight: 700;
  padding: 0.25rem;
}

.form-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 2rem;
}

.btn-submit {
  padding: 1.25rem 4rem;
  background-color: var(--art-deco-gold);
  color: var(--white);
  border: none;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

.btn-submit:hover {
  transform: scale(1.05);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error-msg {
  color: #f87171;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.success-container {
  text-align: center;
  padding: 5rem 0;
}

.success-container .icon {
  font-size: 4rem;
  color: var(--art-deco-gold);
  margin-bottom: 1.5rem;
}

.success-container h4 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.btn-back {
  background: none;
  border: none;
  color: var(--art-deco-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.875rem;
}

/* SMS Info */
.sms-info {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(197, 160, 89, 0.2);
  text-align: center;
}

.sms-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: rgba(197, 160, 89, 0.6);
  margin-bottom: 1rem;
}

.sms-divider .line {
  width: 2rem;
  height: 1px;
  background-color: currentColor;
}

.sms-text-1 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.25rem;
}

.sms-text-2 {
  font-size: 1.125rem;
  color: var(--art-deco-gold);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Footer */
footer {
  width: 100%;
  padding: 4rem 0;
  background-color: var(--white);
  border-top: 1px solid var(--slate-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.footer-logo {
  color: var(--art-deco-gold);
  font-size: 2.25rem;
  font-family: serif;
}

.footer-text {
  color: var(--slate-400);
  font-size: 0.75rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
}

.footer-dots {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; }
.dot-gold { background-color: var(--art-deco-gold); }
.dot-blue { background-color: var(--art-deco-blue); }
.dot-line { width: 2rem; height: 1px; background-color: rgba(197, 160, 89, 0.3); align-self: center; }

/* Hidden state */
.hidden { display: none !important; }

/* Animations */
.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

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