:root {
  --bg: #f0f4f8;
  --bg-soft: #ffffff;
  --paper: #f8fafc;
  --ink: #1e3a5f;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-warm: #e07a5f;
  --accent-warm-light: #f4a261;
  --muted: #64748b;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Outfit', system-ui, sans-serif;
  --shadow: 0 1px 3px rgba(30, 58, 95, 0.08);
  --shadow-md: 0 4px 12px rgba(30, 58, 95, 0.1);
  --top-bar-height: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

/* Top bar – sprek farge */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--top-bar-height);
  z-index: 100;
  background: linear-gradient(135deg, var(--accent-warm) 0%, var(--accent-warm-light) 100%);
  box-shadow: 0 2px 12px rgba(224, 122, 95, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-switch {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 0.35rem;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lang-btn.active {
  background: #fff;
  color: var(--accent-warm);
  border-color: #fff;
}

.nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  height: 100%;
}

.nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.5rem 0.25rem;
  opacity: 0.95;
  transition: opacity 0.2s, transform 0.2s;
}

.nav a:hover {
  opacity: 1;
  transform: translateY(-1px);
}

/* Header / hero */
.header {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--top-bar-height) + 2rem) 1.5rem 2rem;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--bg);
  overflow: hidden;
}

.hero-bg-track {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.15rem;
  padding: 0 2rem;
  animation: heroFloat 60s linear infinite;
}

.hero-bg-slide {
  flex: 0 0 22.5vw;
  height: 85%;
  max-height: 60vh;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg-slide-1 {
  background-image: url("/images/hero-1.png");
}

.hero-bg-slide-2 {
  background-image: url("/images/hero-2.png");
}

.hero-bg-slide-3 {
  background-image: url("/images/hero-3.png");
}

.hero-bg-slide-4 {
  background-image: url("/images/hero-4.png");
}

.hero-bg-slide-6 {
  background-image: url("/images/hero-6.png");
}

@keyframes heroFloat {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-135vw - 0.75rem));
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(30, 58, 95, 0.4) 0%,
    rgba(30, 58, 95, 0.25) 40%,
    rgba(30, 58, 95, 0.5) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 400;
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin: 0 0 0.5rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}

.hero-date {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0 0 2rem;
  color: #fff;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

/* Countdown */
.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 3.5rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg-soft);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.countdown-value {
  font-family: var(--sans);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.countdown-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 0.2rem;
}

.countdown-sep {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-warm);
  margin: 0 0.1rem;
}

.countdown-to {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 2rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

.scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  animation: bounce 2s ease-in-out infinite;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Sections */
.day-section,
.rsvp-section {
  max-width: 56rem;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  text-align: center;
  margin: 0 0 0.75rem;
  color: var(--ink);
}

.section-intro {
  text-align: center;
  margin: 0 0 3rem;
  color: var(--muted);
  font-size: 1.05rem;
}

/* Tree timeline */
.tree {
  position: relative;
  padding: 2rem 0;
}

.tree-trunk {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom,
    var(--accent) 0%,
    var(--accent-warm) 50%,
    rgba(37, 99, 235, 0.35) 85%,
    transparent 100%);
  transform: translateX(-50%);
  border-radius: 2px;
}

.tree-node {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 4.5rem;
  opacity: 0.6;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.tree-node.visible {
  opacity: 1;
  transform: translateY(0);
}

.tree-node:nth-child(odd) {
  flex-direction: row-reverse;
}

.tree-node .node-branch {
  flex: 0 0 140px;
  height: 2px;
  background: linear-gradient(to right, var(--accent), rgba(37, 99, 235, 0.4));
  margin-top: 2rem;
  border-radius: 1px;
}

.tree-node:nth-child(odd) .node-branch {
  background: linear-gradient(to left, var(--accent), rgba(37, 99, 235, 0.4));
}

.tree-node .node-card {
  flex: 1;
  max-width: 420px;
  min-width: 280px;
  background: var(--bg-soft);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 14px;
  padding: 1.75rem 2rem;
  text-align: left;
  box-shadow: var(--shadow-md);
}

.tree-node:nth-child(odd) .node-card {
  text-align: right;
}

.node-time {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--accent-warm);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.node-card h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.node-card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.55;
}

.tree-roots {
  height: 4rem;
  background: linear-gradient(to bottom, transparent, rgba(37, 99, 235, 0.06));
  border-radius: 0 0 50% 50%;
  margin: 0 -2rem;
}

/* RSVP */
.rsvp-section {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #f8fafd 100%);
  border-top: 2px solid rgba(224, 122, 95, 0.2);
  box-shadow: var(--shadow-md);
}

.rsvp-form {
  max-width: 28rem;
  margin: 0 auto;
}

.form-row {
  margin-bottom: 1.5rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.form-row .form-hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0.9;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="number"],
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 1rem;
  background: var(--paper);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 10px;
  color: var(--ink);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Name autocomplete */
.autocomplete-wrap {
  position: relative;
}

.autocomplete-wrap input {
  width: 100%;
}

.autocomplete-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  margin-top: 2px;
  background: var(--bg-soft);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 10px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 10;
  display: none;
  box-shadow: var(--shadow-md);
}

.autocomplete-dropdown.open {
  display: block;
}

.autocomplete-item {
  padding: 0.65rem 1rem;
  cursor: pointer;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(37, 99, 235, 0.08);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item:focus {
  background: rgba(37, 99, 235, 0.08);
  outline: none;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: 400;
}

.radio-label input {
  accent-color: var(--accent);
}

.btn-submit {
  width: 100%;
  padding: 1rem 1.5rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
}

.btn-submit:active {
  transform: scale(0.98);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.rsvp-feedback {
  max-width: 28rem;
  margin: 2rem auto 0;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  text-align: center;
}

.rsvp-feedback.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #15803d;
}

.rsvp-feedback.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #b91c1c;
}

.rsvp-feedback.hidden {
  display: none;
}

/* Footer */
.footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer .admin-link {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  opacity: 0.5;
}

.footer .admin-link a {
  color: inherit;
  text-decoration: none;
}

.footer .admin-link a:hover {
  color: var(--accent);
}

/* Admin link (subtle) */
.admin-link {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
  opacity: 0.7;
}

.admin-link a {
  color: inherit;
}

.admin-link a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .lang-switch {
    right: 0.5rem;
    gap: 0.2rem;
  }

  .lang-btn {
    padding: 0.2rem 0.4rem;
    font-size: 0.65rem;
  }

  .nav {
    gap: 1.25rem;
  }

  .tree-node,
  .tree-node:nth-child(odd) {
    flex-direction: column;
    align-items: center;
    margin-bottom: 3rem;
  }

  .tree-node .node-branch {
    width: 2px;
    height: 40px;
    flex: none;
    background: linear-gradient(to bottom, var(--accent), transparent);
  }

  .tree-node:nth-child(odd) .node-branch {
    background: linear-gradient(to bottom, var(--accent), transparent);
  }

  .tree-node .node-card {
    text-align: center;
  }
}