:root {
  /* Palette */
  --bg-deep: #050810;
  --bg-card: #0a0f1d;
  --bg-elev: #111726;
  --line: #1c2438;
  --line-soft: #141a2a;

  --text-primary: #e8ecf5;
  --text-secondary: #8a93a8;
  --text-muted: #5a6378;

  --accent: #2d4a7a;
  --accent-bright: #4a7ab8;
  --accent-glow: #6fa3e0;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing & motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse at top left, rgba(45, 74, 122, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(45, 74, 122, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
}

/* ============================
   HEADER
   ============================ */
.site-header {
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 10;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--text-primary);
}

.lang-toggle {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-toggle:hover {
  border-color: var(--accent-bright);
  color: var(--text-primary);
}

.lang-current {
  color: var(--text-primary);
}

.lang-divider {
  color: var(--text-muted);
}

.lang-other {
  color: var(--text-muted);
}

/* ============================
   HERO
   ============================ */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 3rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.intro {
  text-align: center;
  margin-bottom: 4rem;
  animation: fadeUp 1.2s var(--ease-out) both;
}

.eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 0.95;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.title-line {
  display: block;
}

.title-italic {
  font-style: italic;
  font-weight: 300;
  color: var(--accent-glow);
  margin-top: -0.1em;
}

.tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-top: 1.5rem;
  letter-spacing: 0.02em;
}

/* ============================
   CARDS
   ============================ */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  animation: fadeUp 1.2s 0.3s var(--ease-out) both;
}

.card {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all 0.6s var(--ease);
}

.card:hover {
  border-color: var(--accent-bright);
  transform: translateY(-4px);
}

.card-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 1.2s var(--ease);
  /* Placeholder background while no image is set */
  background-color: var(--bg-elev);
  background-image: linear-gradient(135deg, #0a0f1d 0%, #1c2438 50%, #0a0f1d 100%);
}

.card:hover .card-image {
  transform: scale(1.05);
}

#cardImageChat {
  background-image: url('img/emma-chat.jpg');
}

#cardImageFanvue {
  background-image: url('img/emma-fanvue.jpg');
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 8, 16, 0.2) 0%,
    rgba(5, 8, 16, 0.3) 40%,
    rgba(5, 8, 16, 0.85) 100%
  );
  transition: opacity 0.6s var(--ease);
}

.card:hover .card-overlay {
  opacity: 0.8;
}

.card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2.5rem;
  z-index: 2;
}

.card-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--accent-glow);
  margin-bottom: 1rem;
  font-weight: 400;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.5;
  max-width: 340px;
  margin-bottom: 1.5rem;
}

.card-arrow {
  display: inline-block;
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: transform 0.4s var(--ease);
  font-weight: 300;
}

.card:hover .card-arrow {
  transform: translateX(8px);
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  color: var(--text-muted);
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.socials {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-link {
  color: var(--text-secondary);
  transition: color 0.3s var(--ease);
  letter-spacing: 0.05em;
}

.social-link:hover {
  color: var(--accent-glow);
}

.social-sep {
  color: var(--text-muted);
}

.footer-note {
  letter-spacing: 0.1em;
}

.footer-disclaimer {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  font-style: italic;
  opacity: 0.7;
}

.chat-disclaimer {
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  font-style: italic;
  opacity: 0.55;
  padding: 0 1rem 1rem;
}

/* ============================
   CHAT PAGE
   ============================ */
.chat-body {
  background: var(--bg-deep);
  height: 100vh;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(5, 8, 16, 0.95);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 10;
}

.chat-back {
  font-size: 1.5rem;
  color: var(--text-secondary);
  padding: 0.5rem;
  transition: color 0.3s var(--ease);
  line-height: 1;
}

.chat-back:hover {
  color: var(--text-primary);
}

.chat-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
}

.chat-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--bg-elev);
  background-image: url('img/emma-avatar.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--line);
  flex-shrink: 0;
}

.chat-name-block {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.chat-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.chat-status {
  font-size: 0.7rem;
  color: var(--accent-glow);
  letter-spacing: 0.1em;
}

.chat-status::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-glow);
  margin-right: 0.4rem;
  vertical-align: middle;
  box-shadow: 0 0 6px var(--accent-glow);
}

.chat-main {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 73px);
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.chat-window {
  flex: 1;
  overflow-y: auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

.chat-day {
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  margin: 0.5rem 0 1.5rem;
}

.message {
  max-width: 75%;
  padding: 0.85rem 1.1rem;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.5;
  animation: messageIn 0.4s var(--ease-out);
  word-wrap: break-word;
}

.message-emma {
  align-self: flex-start;
  background: var(--bg-elev);
  color: var(--text-primary);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}

.message-user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--text-primary);
  border-bottom-right-radius: 4px;
}

.message-typing {
  align-self: flex-start;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 1rem 1.2rem;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 4px;
}

.message-typing span {
  width: 6px;
  height: 6px;
  background: var(--text-secondary);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite var(--ease);
}

.message-typing span:nth-child(2) { animation-delay: 0.2s; }
.message-typing span:nth-child(3) { animation-delay: 0.4s; }

.message-error {
  align-self: center;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
  padding: 0.5rem 1rem;
  max-width: 90%;
  text-align: center;
}

.chat-counter {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  padding: 0.5rem 1rem;
}

.chat-input-row {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.5rem 1.5rem;
  align-items: center;
}

.chat-input {
  flex: 1;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.3s var(--ease);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.chat-input:focus {
  border-color: var(--accent-bright);
}

.chat-send {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
}

.chat-send:hover {
  background: var(--accent-bright);
  transform: scale(1.05);
}

.chat-send:disabled {
  background: var(--bg-elev);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

.chat-send svg {
  margin-left: -2px;
}

/* ============================
   ANIMATIONS
   ============================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
  .site-header {
    padding: 1.5rem 1.5rem;
  }

  .logo {
    font-size: 0.9rem;
    letter-spacing: 0.25em;
  }

  .hero {
    padding: 1rem 1.5rem 3rem;
  }

  .intro {
    margin-bottom: 2.5rem;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .card {
    aspect-ratio: 4 / 3;
  }

  .card-content {
    padding: 1.75rem;
  }

  .site-footer {
    padding: 1.5rem;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .chat-header {
    padding: 0.85rem 1rem;
  }

  .chat-window {
    padding: 1.5rem 1rem;
  }

  .chat-input-row {
    padding: 0.75rem 1rem 1rem;
  }

  .message {
    max-width: 85%;
  }
}