/* ============================================================
   Raclette Hentsch — RSVP Page
   Design: Swiss Alpine Premium, Champêtre, Elegant
   ============================================================ */

:root {
  --green-dark: #2c5f2e;
  --green-mid: #4a8c3f;
  --green-light: #f0f7ee;
  --gold: #d4af37;
  --gold-light: #f0e6c0;
  --cream: #f8f4ed;
  --white: #ffffff;
  --text-dark: #2a2a2a;
  --text-mid: #5a5a5a;
  --text-light: #999999;
  --border: #e0d8c8;
  --shadow: 0 8px 40px rgba(44, 95, 46, 0.12);
  --radius: 6px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background-color: var(--cream);
  color: var(--text-dark);
  min-height: 100vh;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 480px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photos {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-photo-2 {
  object-position: center 15%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 45, 20, 0.55) 0%,
    rgba(20, 45, 20, 0.70) 50%,
    rgba(20, 45, 20, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 20px;
}

.hero-badge {
  display: inline-block;
  border: 1px solid rgba(212, 175, 55, 0.6);
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 6px 20px;
  border-radius: 20px;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
}

.hero-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 300;
  letter-spacing: 2px;
  line-height: 1;
  color: var(--white);
}

.hero-title sup {
  font-size: 0.55em;
  vertical-align: super;
}

.hero-year {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  letter-spacing: 6px;
  color: var(--gold);
  margin-top: 8px;
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 20px auto;
}

.hero-details {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-details .dot {
  color: var(--gold);
  opacity: 0.6;
}

/* ============================================================
   MAIN CONTAINER
   ============================================================ */
.main-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ============================================================
   CARD
   ============================================================ */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: -60px;
  position: relative;
  z-index: 10;
  overflow: hidden;
  min-height: 300px;
}

/* ============================================================
   STATES
   ============================================================ */
.state {
  padding: 60px 50px;
  text-align: center;
  animation: fadeIn 0.4s ease;
}

@media (max-width: 600px) {
  .state { padding: 40px 24px; }
}

.state.hidden { display: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Loading */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--green-mid);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* State icons */
.state-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.already-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-weight: bold;
}

/* ============================================================
   FORM HEADER
   ============================================================ */
.form-header {
  text-align: center;
  margin-bottom: 32px;
}

.form-greeting {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  color: var(--green-dark);
  margin-bottom: 8px;
}

.form-subtext {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.6;
}

/* ============================================================
   INVITATION TEXT
   ============================================================ */
.invitation-text {
  background: var(--cream);
  border-left: 3px solid var(--gold);
  border-radius: 0 4px 4px 0;
  padding: 24px 28px;
  margin-bottom: 36px;
  text-align: left;
}

.invitation-text p {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.invitation-text p:last-child { margin-bottom: 0; }

.invitation-text strong {
  color: var(--green-dark);
}

.invitation-text .signature {
  font-style: italic;
  font-size: 16px;
  margin-top: 4px;
  color: var(--text-mid);
}

/* ============================================================
   ATTENDANCE BUTTONS
   ============================================================ */
.attendance-section {
  margin-bottom: 32px;
}

.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 16px;
  display: block;
}

.attendance-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .attendance-buttons { grid-template-columns: 1fr; }
}

.attend-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  transition: all 0.2s ease;
  gap: 8px;
}

.attend-btn:hover {
  border-color: var(--green-mid);
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(44, 95, 46, 0.12);
}

.attend-btn.selected {
  border-color: var(--green-dark);
  background: var(--green-dark);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(44, 95, 46, 0.25);
}

.attend-btn-no.selected {
  border-color: #c0c0c0;
  background: #777;
  color: var(--white);
  box-shadow: none;
}

.attend-icon {
  font-size: 24px;
  font-weight: bold;
}

.attend-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ============================================================
   PARTICIPANTS COUNTER
   ============================================================ */
.participants-section {
  margin-bottom: 32px;
  text-align: center;
}

.participants-section.hidden { display: none; }

.participants-counter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 8px;
}

.counter-btn {
  width: 52px;
  height: 52px;
  border: 2px solid var(--border);
  background: var(--white);
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  color: var(--green-dark);
  font-weight: 300;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.counter-btn:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

.counter-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.counter-display {
  min-width: 100px;
  text-align: center;
  padding: 0 20px;
}

#count-value {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 52px;
  font-weight: 300;
  color: var(--green-dark);
  line-height: 1;
}

.counter-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ============================================================
   COMMENT
   ============================================================ */
.comment-section {
  margin-bottom: 32px;
  text-align: left;
}

textarea {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--text-dark);
  resize: vertical;
  transition: border-color 0.2s;
  background: var(--white);
}

textarea:focus {
  outline: none;
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(74, 140, 63, 0.08);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn.hidden { display: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  color: var(--white);
  width: 100%;
  padding: 18px;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 4px 16px rgba(44, 95, 46, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #234f25, var(--green-dark));
  box-shadow: 0 6px 24px rgba(44, 95, 46, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-mid);
  margin-top: 16px;
}

.btn-secondary:hover {
  border-color: var(--green-mid);
  color: var(--green-dark);
}

/* ============================================================
   SUCCESS STATE
   ============================================================ */
.success-animation {
  margin-bottom: 28px;
}

.success-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  color: var(--white);
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(44, 95, 46, 0.3);
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

#success-icon { font-weight: bold; }

.success-details {
  margin-top: 28px;
  background: var(--green-light);
  border: 1px solid rgba(44, 95, 46, 0.15);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: left;
  display: inline-block;
  min-width: 280px;
}

.detail-item {
  font-size: 14px;
  color: var(--green-dark);
  padding: 6px 0;
  line-height: 1.5;
}

/* ============================================================
   PHOTOS GRID
   ============================================================ */
.photos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

@media (max-width: 480px) {
  .photos-grid { grid-template-columns: 1fr; }
}

.photo-item {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.photo-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.photo-item:hover img {
  transform: scale(1.03);
}

.photo-caption {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--text-light);
  background: var(--white);
  letter-spacing: 0.3px;
  font-style: italic;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  text-align: center;
  padding: 40px 0 0;
  color: var(--text-light);
  font-size: 12px;
  letter-spacing: 0.5px;
}

/* ============================================================
   HEADINGS
   ============================================================ */
h2 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 28px;
  font-weight: 400;
  color: var(--green-dark);
  margin-bottom: 12px;
}

p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mid);
}